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HomeMy WebLinkAboutSDP202200043 Calculations 2023-03-17Diversion Swale, Extended Detention Basin, and Outfall Calculations Rivanna Solar Project Charlottsville, Virginia Prepared for: American Helios Construction Prepared by: soa ...................... 18859 Microtronics Way, Suite B7 Sonora, CA 95370 Revision: 0 March 8, 2023 DARIN RAY GALLON Lic. No. 402058736 Exp:04/30/2024 soa SIERRA OVERHEAD ANALYTICS Table of Contents 1. Diversion Channels............................................................................................................1 2. Extended Detention Basins............................................................................................... 35 3. Spillways & Splashpads....................................................................................................329 soa ................... I - DIVERSION CHANNELS Page 1 of 335 Hydraulic Analysis Report Project Data Project Title: Rivanna Extended Detention Designer: Darin Galloway, PE Project Date: Friday, March 10, 2023 Project Units: U.S. Customary Units Notes: Channel Analysis: Diversion Channel #1 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0200 ft/ft Manning's n: 0.0350 Flow 18.0000 cfs Result Parameters Depth 0.7778 ft Area of Flow 4.3213 ft^2 Wetted Perimeter 7.4786 ft Hydraulic Radius 0.5778 ft Average Velocity 4.1654 ft/s Top Width 7.1113 ft Froude Number: 0.9417 Page 2 of 335 Critical Depth 0.7507 ft Critical Velocity 4.3581 ft/s Critical Slope: 0.0228 ft/ft Critical Top Width 7.00 ft Calculated Max Shear Stress 0.9707 lb/ft^2 Calculated Avg Shear Stress 0.7211 lb/ft^2 Channel Analysis: Diversion Channel #2 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0100 ft/ft Manning's n: 0.0350 Flow 18.0000 cfs Result Parameters Depth 0.9390 ft Area of Flow 5.5196 ft^2 Wetted Perimeter 8.1994 ft Hydraulic Radius 0.6732 ft Average Velocity 3.2611 ft/s Top Width 7.7561 ft Fronde Number: 0.6812 Critical Depth 0.7508 ft Critical Velocity 4.3578 ft/s Page 3 of 335 Critical Slope: 0.0227 ft/ft Critical Top Width 7.00 ft Calculated Max Shear Stress 0.5859 lb/ft^2 Calculated Avg Shear Stress 0.4201 lb/ft^2 Channel Analysis: Diversion Channel #3 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0200 ft/ft Manning's n: 0.0350 Flow 7.0000 cfs Result Parameters Depth 0.4582 ft Area of Flow 2.2526 ft^2 Wetted Perimeter 6.0491 ft Hydraulic Radius 0.3724 ft Average Velocity 3.1075 ft/s Top Width 5.8328 ft Fronde Number: 0.8812 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0263 ft/ft Critical Top Width 5.69 ft Page 4 of 335 Calculated Max Shear Stress 0.5718 lb/ft^2 Calculated Avg Shear Stress 0.4647 lb/ft^2 Channel Analysis: Diversion Channel #4 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0300 ft/ft Manning's n: 0.0400 Flow 7.0000 cfs Result Parameters Depth 0.4403 ft Area of Flow 2.1491 ft^2 Wetted Perimeter 5.9692 ft Hydraulic Radius 0.3600 ft Average Velocity 3.2571 ft/s Top Width 5.7613 ft Froude Number: 0.9398 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0343 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 0.8243 lb/ft^2 Calculated Avg Shear Stress 0.6740 lb/ft^2 Page 5 of 335 Channel Analysis: Diversion Channel #5 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0400 Flow 9.0000 cfs Result Parameters Depth 0.8368 ft Area of Flow 4.7473 ft^2 Wetted Perimeter 7.7421 ft Hydraulic Radius 0.6132 ft Average Velocity 1.8958 ft/s Top Width 7.3470 ft Fronde Number: 0.4156 Critical Depth 0.4947 ft Critical Velocity 3.6460 ft/s Critical Slope: 0.0330 ft/ft Critical Top Width 5.98 ft Calculated Max Shear Stress 0.2611 lb/ft^2 Calculated Avg Shear Stress 0.1913 lb/ft^2 Channel Analysis: Diversion Channel #6 Analysis Notes: Froude number less than 1, assume vegetated lining. Page 6 of 335 Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0400 Flow 42.0000 cfs Result Parameters Depth 1.8649 ft Area of Flow 14.4150 ft^2 Wetted Perimeter 12.3400 ft Hydraulic Radius 1.1682 ft Average Velocity 2.9136 ft/s Top Width 11.4595 ft Fronde Number: 0.4578 Critical Depth 1.2210 ft Critical Velocity 5.3394 ft/s Critical Slope: 0.0264 ft/ft Critical Top Width 8.88 ft Calculated Max Shear Stress 0.5818 lb/ft^2 Calculated Avg Shear Stress 0.3645 lb/ft^2 Channel Analysis: Diversion Channel #7 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Page 7 of 335 Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0400 ft/ft Manning's n: 0.0490 Flow 4.0000 cfs Result Parameters Depth 0.3300 ft Area of Flow 1.5377 ft^2 Wetted Perimeter 5.4757 ft Hydraulic Radius 0.2808 ft Average Velocity 2.6013 ft/s Top Width 5.3199 ft Fronde Number: 0.8527 Critical Depth 0.2984 ft Critical Velocity 2.9164 ft/s Critical Slope: 0.0566 ft/ft Critical Top Width 5.19 ft Calculated Max Shear Stress 0.8236 lb/ft^2 Calculated Avg Shear Stress 0.7009 lb/ft^2 Channel Analysis: Diversion Channel #8 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Page 8 of 335 Longitudinal Slope: 0.0300 ft/ft Manning's n: 0.0420 Flow 19.0000 cfs Result Parameters Depth 0.7923 ft Area of Flow 4.4249 ft^2 Wetted Perimeter 7.5434 ft Hydraulic Radius 0.5866 ft Average Velocity 4.2938 ft/s Top Width 7.1693 ft Froude Number: 0.9632 Critical Depth 0.7751 ft Critical Velocity 4.4166 ft/s Critical Slope: 0.0325 ft/ft Critical Top Width 7.10 ft Calculated Max Shear Stress 1.4833 lb/ft^2 Calculated Avg Shear Stress 1.0981 lb/ft^2 Channel Analysis: Diversion Channel #9 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0300 ft/ft Manning's n: 0.0450 Page 9 of 335 Flow 45.0000 cfs Result Parameters Depth 1.3019 ft Area of Flow 8.5978 ft^2 Wetted Perimeter 9.8224 ft Hydraulic Radius 0.8753 ft Average Velocity 5.2339 ft/s Top Width 9.2077 ft Froude Number: 0.9545 Critical Depth 1.2688 ft Critical Velocity 5.4249 ft/s Critical Slope: 0.0331 ft/ft Critical Top Width 9.08 ft Calculated Max Shear Stress 2.4372 lb/ft^2 Calculated Avg Shear Stress 1.6386 lb/ft^2 Channel Analysis: Diversion Channel #10 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0400 Flow 7.0000 cfs Result Parameters Depth 0.7291 ft Page 10 of 335 Area of Flow 3.9793 ft^2 Wetted Perimeter 7.2604 ft Hydraulic Radius 0.5481 ft Average Velocity 1.7591 ft/s Top Width 6.9162 ft Fronde Number: 0.4087 Critical Depth 0.4237 ft Critical Velocity 3.4078 ft/s Critical Slope: 0.0343 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 0.2275 lb/ft^2 Calculated Avg Shear Stress 0.1710 lb/ft^2 Channel Analysis: Diversion Channel #11 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0250 ft/ft Manning's n: 0.0400 Flow 7.0000 cfs Result Parameters Depth 0.4639 ft Area of Flow 2.2859 ft^2 Wetted Perimeter 6.0746 ft Page 11 of 335 Hydraulic Radius 0.3763 ft Average Velocity 3.0622 ft/s Top Width 5.8555 ft Froude Number: 0.8637 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0343 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 0.7237 lb/ft^2 Calculated Avg Shear Stress 0.5870 lb/ft^2 Channel Analysis: Diversion Channel #12 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0400 ft/ft Manning's n: 0.0480 Flow 7.0000 cfs Result Parameters Depth 0.4502 ft Area of Flow 2.2059 ft^2 Wetted Perimeter 6.0132 ft Hydraulic Radius 0.3668 ft Average Velocity 3.1733 ft/s Page 12 of 335 Top Width 5.8006 ft Froude Number: 0.9068 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0494 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 1.1236 lb/ft^2 Calculated Avg Shear Stress 0.9156 lb/ft^2 Channel Analysis: Diversion Channel #13 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0150 ft/ft Manning's n: 0.0350 Flow 7.0000 cfs Result Parameters Depth 0.4973 ft Area of Flow 2.4835 ft^2 Wetted Perimeter 6.2238 ft Hydraulic Radius 0.3990 ft Average Velocity 2.8186 ft/s Top Width 5.9890 ft Froude Number: 0.7713 Page 13 of 335 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0263 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 0.4654 lb/ft^2 Calculated Avg Shear Stress 0.3735 lb/ft^2 Channel Analysis: Diversion Channel #14 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0300 ft/ft Manning's n: 0.0390 Flow 9.0000 cfs Result Parameters Depth 0.5009 ft Area of Flow 2.5056 ft^2 Wetted Perimeter 6.2403 ft Hydraulic Radius 0.4015 ft Average Velocity 3.5919 ft/s Top Width 6.0037 ft Fronde Number: 0.9798 Critical Depth 0.4947 ft Critical Velocity 3.6462 ft/s Page 14 of 335 Critical Slope: 0.0314 ft/ft Critical Top Width 5.98 ft Calculated Max Shear Stress 0.9378 lb/ft^2 Calculated Avg Shear Stress 0.7517 lb/ft^2 Channel Analysis: Diversion Channel #15 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0350 ft/ft Manning's n: 0.0440 Flow 17.0000 cfs Result Parameters Depth 0.7330 ft Area of Flow 4.0063 ft^2 Wetted Perimeter 7.2779 ft Hydraulic Radius 0.5505 ft Average Velocity 4.2433 ft/s Top Width 6.9319 ft Fronde Number: 0.9836 Critical Depth 0.7258 ft Critical Velocity 4.2963 ft/s Critical Slope: 0.0363 ft/ft Critical Top Width 6.90 ft Page 15 of 335 Calculated Max Shear Stress 1.6008 lb/ft^2 Calculated Avg Shear Stress 1.2022 lb/ft^2 Channel Analysis: Diversion Channel #16 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on steeper sections. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0800 ft/ft Manning's n: 0.0400 Flow 9.0000 cfs Result Parameters Depth 0.3839 ft Area of Flow 1.8302 ft^2 Wetted Perimeter 5.7167 ft Hydraulic Radius 0.3201 ft Average Velocity 4.9176 ft/s Top Width 5.5355 ft Froude Number: 1.5072 Critical Depth 0.4947 ft Critical Velocity 3.6462 ft/s Critical Slope: 0.0330 ft/ft Critical Top Width 5.98 ft Calculated Max Shear Stress 1.9162 lb/ft^2 Calculated Avg Shear Stress 1.5982 lb/ft^2 Page 16 of 335 Channel Analysis: Diversion Channel #17 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0350 Flow 2.0000 cfs Result Parameters Depth 0.3319 ft Area of Flow 1.5480 ft^2 Wetted Perimeter 5.4844 ft Hydraulic Radius 0.2823 ft Average Velocity 1.2920 ft/s Top Width 5.3277 ft Fronde Number: 0.4224 Critical Depth 0.1916 ft Critical Velocity 2.3818 ft/s Critical Slope: 0.0327 ft/ft Critical Top Width 4.77 ft Calculated Max Shear Stress 0.1036 lb/ft^2 Calculated Avg Shear Stress 0.0881 lb/ft^2 Channel Analysis: Diversion Channel #18 Analysis Notes: Froude number less than 1, assume vegetated lining. Page 17 of 335 Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0100 ft/ft Manning's n: 0.0350 Flow 2.0000 cfs Result Parameters Depth 0.2713 ft Area of Flow 1.2324 ft^2 Wetted Perimeter 5.2133 ft Hydraulic Radius 0.2364 ft Average Velocity 1.6228 ft/s Top Width 5.0852 ft Fronde Number: 0.5809 Critical Depth 0.1916 ft Critical Velocity 2.3819 ft/s Critical Slope: 0.0327 ft/ft Critical Top Width 4.77 ft Calculated Max Shear Stress 0.1693 lb/ft^2 Calculated Avg Shear Stress 0.1475 lb/ft^2 Channel Analysis: Diversion Channel #19 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Page 18 of 335 Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0330 ft/ft Manning's n: 0.0400 Flow 5.0000 cfs Result Parameters Depth 0.3530 ft Area of Flow 1.6613 ft^2 Wetted Perimeter 5.5788 ft Hydraulic Radius 0.2978 ft Average Velocity 3.0096 ft/s Top Width 5.4121 ft Fronde Number: 0.9573 Critical Depth 0.3435 ft Critical Velocity 3.1060 ft/s Critical Slope: 0.0363 ft/ft Critical Top Width 5.37 ft Calculated Max Shear Stress 0.7269 lb/ft^2 Calculated Avg Shear Stress 0.6132 lb/ft^2 Channel Analysis: Diversion Channel #20 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Page 19 of 335 Longitudinal Slope: 0.0400 ft/ft Manning's n: 0.0430 Flow 5.0000 cfs Result Parameters Depth 0.3482 ft Area of Flow 1.6352 ft^2 Wetted Perimeter 5.5571 ft Hydraulic Radius 0.2942 ft Average Velocity 3.0578 ft/s Top Width 5.3927 ft Froude Number: 0.9786 Critical Depth 0.3435 ft Critical Velocity 3.1060 ft/s Critical Slope: 0.0419 ft/ft Critical Top Width 5.37 ft Calculated Max Shear Stress 0.8690 lb/ft^2 Calculated Avg Shear Stress 0.7344 lb/ft^2 Channel Analysis: Diversion Channel #21 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 4% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0420 ft/ft Manning's n: 0.0430 Page 20 of 335 Flow 28.0000 cfs Result Parameters Depth 0.9042 ft Area of Flow 5.2523 ft^2 Wetted Perimeter 8.0439 ft Hydraulic Radius 0.6530 ft Average Velocity 5.3310 ft/s Top Width 7.6170 ft Fronde Number: 1.1313 Critical Depth 0.9709 ft Critical Velocity 4.8538 ft/s Critical Slope: 0.0323 ft/ft Critical Top Width 7.88 ft Calculated Max Shear Stress 2.3699 lb/ft^2 Calculated Avg Shear Stress 1.7113 lb/ft^2 Channel Analysis: Diversion Channel #22 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 7% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0700 ft/ft Manning's n: 0.0400 Flow 57.0000 cfs Page 21 of 335 Result Parameters Depth 1.1098 ft Area of Flow 6.9025 ft^2 Wetted Perimeter 8.9632 ft Hydraulic Radius 0.7701 ft Average Velocity 8.2579 ft/s Top Width 8.4392 ft Froude Number: 1.6091 Critical Depth 1.4450 ft Critical Velocity 5.7252 ft/s Critical Slope: 0.0254 ft/ft Critical Top Width 9.78 ft Calculated Max Shear Stress 4.8476 lb/ft^2 Calculated Avg Shear Stress 3.3638 lb/ft^2 Channel Analysis: Diversion Channel #23 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0400 Flow 28.0000 cfs Result Parameters Depth 1.5216 ft Area of Flow 10.7171 ft^2 Page 22 of 335 Wetted Perimeter 10.8049 ft Hydraulic Radius 0.9919 ft Average Velocity 2.6127 ft/s Top Width 10.0865 ft Froude Number: 0.4467 Critical Depth 0.9709 ft Critical Velocity 4.8539 ft/s Critical Slope: 0.0279 ft/ft Critical Top Width 7.88 ft Calculated Max Shear Stress 0.4747 lb/ft^2 Calculated Avg Shear Stress 0.3095 lb/ft^2 Channel Analysis: Diversion Channel #24 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 7% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0700 ft/ft Manning's n: 0.0450 Flow 7.0000 cfs Result Parameters Depth 0.3694 ft Area of Flow 1.7504 ft^2 Wetted Perimeter 5.6519 ft Hydraulic Radius 0.3097 ft Page 23 of 335 Average Velocity 3.9990 ft/s Top Width 5.4775 ft Froude Number: 1.2466 Critical Depth 0.4237 ft Critical Velocity 3.4080 ft/s Critical Slope: 0.0434 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 1.6135 lb/ft^2 Calculated Avg Shear Stress 1.3528lb/ft^2 Channel Analysis: Diversion Channel #25 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0350 Flow 7.0000 cfs Result Parameters Depth 0.6770 ft Area of Flow 3.6250 ft^2 Wetted Perimeter 7.0279 ft Hydraulic Radius 0.5158 ft Average Velocity 1.9310 ft/s Top Width 6.7082 ft Page 24 of 335 Froude Number: 0.4629 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0263 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 0.2112 lb/ft^2 Calculated Avg Shear Stress 0.1609 lb/ft^2 Channel Analysis: Diversion Channel #26 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0300 ft/ft Manning's n: 0.0400 Flow 12.0000 cfs Result Parameters Depth 0.5977 ft Area of Flow 3.1053 ft^2 Wetted Perimeter 6.6730 ft Hydraulic Radius 0.4654 ft Average Velocity 3.8644 ft/s Top Width 6.3908 ft Froude Number: 0.9770 Critical Depth 0.5893 ft Page 25 of 335 Critical Velocity 3.9318 ft/s Critical Slope: 0.0316 ft/ft Critical Top Width 6.36 ft Calculated Max Shear Stress 1.1189 lb/ft^2 Calculated Avg Shear Stress 0.8711 lb/ft^2 Channel Analysis: Diversion Channel #27 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 5.5% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0550 ft/ft Manning's n: 0.0450 Flow 19.0000 cfs Result Parameters Depth 0.6965 ft Area of Flow 3.7560 ft^2 Wetted Perimeter 7.1147 ft Hydraulic Radius 0.5279 ft Average Velocity 5.0586 ft/s Top Width 6.7859 ft Fronde Number: 1.1982 Critical Depth 0.7750 ft Critical Velocity 4.4171 ft/s Critical Slope: 0.0373 ft/ft Page 26 of 335 Critical Top Width 7.10 ft Calculated Max Shear Stress 2.3903 lb/ft^2 Calculated Avg Shear Stress 1.8118 lb/ft^2 Channel Analysis: Diversion Channel #28 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0050 ft/ft Manning's n: 0.0350 Flow 7.0000 cfs Result Parameters Depth 0.6770 ft Area of Flow 3.6250 ft^2 Wetted Perimeter 7.0279 ft Hydraulic Radius 0.5158 ft Average Velocity 1.9310 ft/s Top Width 6.7082 ft Fronde Number: 0.4629 Critical Depth 0.4237 ft Critical Velocity 3.4081 ft/s Critical Slope: 0.0263 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 0.2112 lb/ft^2 Page 27 of 335 Calculated Avg Shear Stress 0.1609 lb/ft^2 Channel Analysis: Diversion Channel #29 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 5% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0500 ft/ft Manning's n: 0.0450 Flow 23.0000 cfs Result Parameters Depth 0.7943 ft Area of Flow 4.4394 ft^2 Wetted Perimeter 7.5524 ft Hydraulic Radius 0.5878 ft Average Velocity 5.1809 ft/s Top Width 7.1774 ft Froude Number: 1.1609 Critical Depth 0.8667 ft Critical Velocity 4.6289 ft/s Critical Slope: 0.0363 ft/ft Critical Top Width 7.47 ft Calculated Max Shear Stress 2.4784 lb/ft^2 Calculated Avg Shear Stress 1.8340 lb/ft^2 Page 28 of 335 Channel Analysis: Diversion Channel #30 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0250 ft/ft Manning's n: 0.0350 Flow 8.0000 cfs Result Parameters Depth 0.4639 ft Area of Flow 2.2859 ft^2 Wetted Perimeter 6.0746 ft Hydraulic Radius 0.3763 ft Average Velocity 3.4997 ft/s Top Width 5.8555 ft Fronde Number: 0.9871 Critical Depth 0.4602 ft Critical Velocity 3.5333 ft/s Critical Slope: 0.0257 ft/ft Critical Top Width 5.84 ft Calculated Max Shear Stress 0.7237 lb/ft^2 Calculated Avg Shear Stress 0.5870 lb/ft^2 Channel Analysis: Diversion Channel #31 Analysis Notes: Froude number less than 1, assume vegetated lining. Page 29 of 335 Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0180 ft/ft Manning's n: 0.0350 Flow 13.0000 cfs Result Parameters Depth 0.6690 ft Area of Flow 3.5712 ft^2 Wetted Perimeter 6.9919 ft Hydraulic Radius 0.5108 ft Average Velocity 3.6402 ft/s Top Width 6.6761 ft Fronde Number: 0.8771 Critical Depth 0.6185 ft Critical Velocity 4.0138 ft/s Critical Slope: 0.0239 ft/ft Critical Top Width 6.47 ft Calculated Max Shear Stress 0.7514 lb/ft^2 Calculated Avg Shear Stress 0.5737 lb/ft^2 Channel Analysis: Diversion Channel #32 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Page 30 of 335 Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0400 ft/ft Manning's n: 0.0470 Flow 13.0000 cfs Result Parameters Depth 0.6313 ft Area of Flow 3.3222 ft^2 Wetted Perimeter 6.8232 ft Hydraulic Radius 0.4869 ft Average Velocity 3.9130 ft/s Top Width 6.5252 ft Fronde Number: 0.9664 Critical Depth 0.6185 ft Critical Velocity 4.0138 ft/s Critical Slope: 0.0430 ft/ft Critical Top Width 6.47 ft Calculated Max Shear Stress 1.5757 lb/ft^2 Calculated Avg Shear Stress 1.2153 lb/ft^2 Channel Analysis: Diversion Channel #33 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 5.5% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Page 31 of 335 Longitudinal Slope: 0.0550 ft/ft Manning's n: 0.0400 Flow 7.0000 cfs Result Parameters Depth 0.3699 ft Area of Flow 1.7534 ft^2 Wetted Perimeter 5.6544 ft Hydraulic Radius 0.3101 ft Average Velocity 3.9923 ft/s Top Width 5.4797 ft Froude Number: 1.2437 Critical Depth 0.4237 ft Critical Velocity 3.4080 ft/s Critical Slope: 0.0343 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 1.2696 lb/ft^2 Calculated Avg Shear Stress 1.0642 lb/ft^2 Channel Analysis: Diversion Channel #34 Analysis Notes: Froude number greater than 1, assume vegetated lining with check dams on sections over 5.5% slope. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0550 ft/ft Manning's n: 0.0400 Page 32 of 335 Flow 7.0000 cfs Result Parameters Depth 0.3699 ft Area of Flow 1.7534 ft^2 Wetted Perimeter 5.6544 ft Hydraulic Radius 0.3101 ft Average Velocity 3.9923 ft/s Top Width 5.4797 ft Froude Number: 1.2437 Critical Depth 0.4237 ft Critical Velocity 3.4080 ft/s Critical Slope: 0.0343 ft/ft Critical Top Width 5.69 ft Calculated Max Shear Stress 1.2696 lb/ft^2 Calculated Avg Shear Stress 1.0642 lb/ft^2 Channel Analysis: Diversion Channel #35 Analysis Notes: Froude number less than 1, assume vegetated lining. Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 2.0000 ft/ft Side Slope 2 (Z2): 2.0000 ft/ft Channel Width 4.00 ft Longitudinal Slope: 0.0350 ft/ft Manning's n: 0.0430 Flow 13.0000 cfs Result Parameters Depth 0.6235 ft Page 33 of 335 Area of Flow 3.2714 ft^2 Wetted Perimeter 6.7883 ft Hydraulic Radius 0.4819 ft Average Velocity 3.9739 ft/s Top Width 6.4939 ft Froude Number: 0.9867 Critical Depth 0.6185 ft Critical Velocity 4.0138 ft/s Critical Slope: 0.0360 ft/ft Critical Top Width 6.47 ft Calculated Max Shear Stress 1.3617 lb/ft^2 Calculated Avg Shear Stress 1.0525 lb/ft^2 Page 34 of 335 soa ................... 2 - EXTENDED DETENTION BASINS Page 35 of 335 Hydraulic Analysis Report Project Data Project Title: Rivanna Extended Detention Designer: Darin Galloway, PE Project Date: Friday, March 10, 2023 Project Units: U.S. Customary Units Notes: See discharge standpipe data for lyr and 10yr storm drainage sizing. Detention Basin Analysis: Basin #1 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.11 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.6700 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Page 36 of 335 Height above base: 3.0000 It Base Elevation: 0.0000 It Weir: Emergency Spillway Weir Length: 20.0000 ft Weir Coefficient: 3.3670 Height above base: 4.0000 It Base Elevation: 0.0000 It Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 4.22 4.00 0.07 13.62 5.00 0.11 84.70 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 29.249 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 47745.48 ft^3 Time (min) Discharge cfs 614.00 0.44 615.00 0.44 616.00 0.44 617.00 0.45 618.00 0.46 619.00 0.46 620.00 0.47 621.00 0.47 622.00 0.48 623.00 0.48 624.00 0.49 625.00 0.50 626.00 0.50 627.00 0.51 628.00 0.52 629.00 0.52 630.00 0.53 631.00 0.54 632.00 0.54 Page 37 of 335 633.00 0.55 634.00 0.56 635.00 0.56 636.00 0.57 637.00 0.58 638.00 0.59 639.00 0.60 640.00 0.61 641.00 0.62 642.00 0.63 643.00 0.64 644.00 0.66 645.00 0.67 646.00 0.68 647.00 0.70 648.00 0.72 649.00 0.74 650.00 0.76 651.00 0.78 652.00 0.80 653.00 0.81 654.00 0.82 655.00 0.84 656.00 0.85 657.00 0.87 658.00 0.88 659.00 0.90 660.00 0.91 661.00 0.93 662.00 0.94 663.00 0.96 664.00 0.98 665.00 1.00 666.00 1.02 667.00 1.05 668.00 1.07 669.00 1.10 670.00 1.13 671.00 1.16 672.00 1.18 673.00 1.21 674.00 1.24 675.00 1.27 676.00 1.31 677.00 1.33 678.00 1.36 679.00 1.38 680.00 1.43 681.00 1.47 682.00 1.50 Page 38 of 335 683.00 1.53 684.00 1.56 685.00 1.60 686.00 1.64 687.00 1.67 688.00 1.62 689.00 1.65 690.00 1.68 691.00 1.85 692.00 2.13 693.00 2.43 694.00 2.73 695.00 3.06 696.00 3.35 697.00 4.05 698.00 4.87 699.00 5.80 700.00 6.61 701.00 6.95 702.00 8.25 703.00 8.37 704.00 8.86 705.00 9.90 706.00 11.03 707.00 11.50 708.00 11.79 709.00 12.96 710.00 16.39 711.00 15.84 712.00 18.29 713.00 23.04 714.00 29.25 715.00 28.69 716.00 27.31 717.00 26.32 718.00 25.57 719.00 24.93 720.00 24.51 721.00 20.26 722.00 17.05 723.00 14.72 724.00 12.62 725.00 10.80 726.00 9.43 727.00 8.30 728.00 7.46 729.00 6.85 730.00 6.40 731.00 6.08 732.00 5.83 Page 39 of 335 733.00 5.61 734.00 5.47 735.00 5.38 736.00 5.29 737.00 5.20 738.00 5.13 739.00 5.03 740.00 4.94 741.00 4.84 742.00 4.74 743.00 4.65 744.00 4.54 745.00 4.44 746.00 4.36 747.00 4.26 748.00 4.17 749.00 4.06 750.00 3.97 751.00 3.87 752.00 3.76 753.00 3.62 754.00 3.50 755.00 3.41 756.00 3.31 757.00 3.21 758.00 3.11 759.00 2.99 760.00 2.88 761.00 2.77 762.00 2.70 763.00 2.60 764.00 2.46 765.00 2.29 766.00 2.21 767.00 2.13 768.00 2.04 769.00 2.05 770.00 2.01 771.00 1.98 772.00 1.96 773.00 1.94 774.00 1.92 775.00 1.90 776.00 1.87 777.00 1.85 778.00 1.82 779.00 1.80 780.00 1.79 781.00 1.77 782.00 1.74 Page 40 of 335 783.00 1.72 784.00 1.70 785.00 1.69 786.00 1.68 787.00 1.88 788.00 1.84 789.00 1.80 790.00 1.78 791.00 1.76 792.00 1.75 793.00 1.74 794.00 1.72 795.00 1.70 796.00 1.68 797.00 1.67 798.00 1.66 799.00 1.64 800.00 1.63 801.00 1.61 802.00 1.59 803.00 1.58 804.00 1.57 805.00 1.55 806.00 1.53 807.00 1.52 808.00 1.50 809.00 1.49 810.00 1.48 811.00 1.47 812.00 1.45 813.00 1.43 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 29.202 cfs, Time to Peak: 715.00 (min), Total Outflow Volume: 49213.65 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.08 0.000551 616.00 0.14 0.001009 617.00 0.20 0.001392 618.00 0.24 0.001714 619.00 0.28 0.001986 620.00 0.31 0.002216 621.00 0.34 0.002413 622.00 0.36 0.002583 Page 41 of 335 623.00 0.38 0.002730 624.00 0.40 0.002858 625.00 0.42 0.002971 626.00 0.43 0.003073 627.00 0.45 0.003164 628.00 0.46 0.003248 629.00 0.47 0.003326 630.00 0.48 0.003397 631.00 0.49 0.003464 632.00 0.50 0.003528 633.00 0.51 0.003589 634.00 0.51 0.003649 635.00 0.52 0.003707 636.00 0.53 0.003765 637.00 0.54 0.003824 638.00 0.55 0.003885 639.00 0.56 0.003947 640.00 0.56 0.004010 641.00 0.57 0.004076 642.00 0.58 0.004143 643.00 0.59 0.004213 644.00 0.60 0.004287 645.00 0.61 0.004365 646.00 0.62 0.004447 647.00 0.64 0.004535 648.00 0.65 0.004629 649.00 0.66 0.004732 650.00 0.68 0.004844 651.00 0.69 0.004961 652.00 0.71 0.005077 653.00 0.73 0.005192 654.00 0.74 0.005302 655.00 0.76 0.005413 656.00 0.77 0.005524 657.00 0.79 0.005634 658.00 0.80 0.005741 659.00 0.82 0.005848 660.00 0.83 0.005952 661.00 0.85 0.006057 662.00 0.86 0.006167 663.00 0.88 0.006282 664.00 0.90 0.006402 665.00 0.91 0.006525 666.00 0.93 0.006647 667.00 0.95 0.006781 668.00 0.97 0.006923 669.00 0.99 0.007074 670.00 1.01 0.007235 671.00 1.03 0.007402 672.00 1.06 0.007570 Page 42 of 335 673.00 1.08 0.007745 674.00 1.11 0.007927 675.00 1.13 0.008120 676.00 1.16 0.008320 677.00 1.19 0.008520 678.00 1.22 0.008720 679.00 1.24 0.008907 680.00 1.27 0.009123 681.00 1.30 0.009348 682.00 1.34 0.009568 683.00 1.37 0.009798 684.00 1.40 0.010023 685.00 1.43 0.010253 686.00 1.46 0.010490 687.00 1.50 0.010732 688.00 1.52 0.010864 689.00 1.54 0.011012 690.00 1.57 0.011168 691.00 1.60 0.011511 692.00 1.67 0.012150 693.00 1.78 0.013053 694.00 1.92 0.014163 695.00 2.09 0.015502 696.00 2.29 0.016968 697.00 2.54 0.019053 698.00 2.88 0.021796 699.00 3.31 0.025216 700.00 3.82 0.029051 701.00 4.42 0.032544 702.00 5.30 0.036606 703.00 6.14 0.039673 704.00 6.83 0.042468 705.00 7.54 0.045721 706.00 8.35 0.049407 707.00 9.16 0.052618 708.00 9.85 0.055281 709.00 10.56 0.058596 710.00 11.70 0.065047 711.00 12.93 0.069059 712.00 15.46 0.072957 713.00 21.19 0.075505 714.00 26.64 0.079096 715.00 29.20 0.078770 716.00 27.88 0.078024 717.00 26.71 0.077491 718.00 25.87 0.077080 719.00 25.19 0.076727 720.00 24.68 0.076503 721.00 22.16 0.074805 722.00 18.30 0.073077 Page 43 of 335 723.00 15.64 0.071809 724.00 13.58 0.070493 725.00 13.06 0.067628 726.00 12.24 0.064131 727.00 11.30 0.060127 728.00 10.35 0.056158 729.00 9.46 0.052567 730.00 8.67 0.049440 731.00 7.99 0.046800 732.00 7.42 0.044597 733.00 6.95 0.042757 734.00 6.56 0.041258 735.00 6.24 0.040071 736.00 5.99 0.039110 737.00 5.78 0.038304 738.00 5.61 0.037638 739.00 5.46 0.037048 740.00 5.33 0.036509 741.00 5.21 0.036005 742.00 5.09 0.035526 743.00 4.98 0.035074 744.00 4.88 0.034619 745.00 4.77 0.034168 746.00 4.67 0.033743 747.00 4.57 0.033325 748.00 4.47 0.032908 749.00 4.37 0.032479 750.00 4.27 0.032067 751.00 4.19 0.031619 752.00 4.12 0.031116 753.00 4.05 0.030524 754.00 3.96 0.029883 755.00 3.87 0.029252 756.00 3.78 0.028607 757.00 3.69 0.027949 758.00 3.60 0.027281 759.00 3.50 0.026578 760.00 3.40 0.025865 761.00 3.30 0.025135 762.00 3.20 0.024452 763.00 3.10 0.023755 764.00 3.00 0.023008 765.00 2.89 0.022186 766.00 2.78 0.021402 767.00 2.67 0.020664 768.00 2.57 0.019940 769.00 2.47 0.019356 770.00 2.40 0.018828 771.00 2.33 0.018357 772.00 2.26 0.017939 Page 44 of 335 773.00 2.21 0.017567 774.00 2.16 0.017238 775.00 2.11 0.016939 776.00 2.07 0.016658 777.00 2.04 0.016398 778.00 2.00 0.016154 779.00 1.97 0.015928 780.00 1.94 0.015722 781.00 1.91 0.015526 782.00 1.88 0.015337 783.00 1.86 0.015155 784.00 1.83 0.014980 785.00 1.81 0.014815 786.00 1.78 0.014674 787.00 1.78 0.014800 788.00 1.80 0.014855 789.00 1.80 0.014860 790.00 1.80 0.014836 791.00 1.79 0.014794 792.00 1.79 0.014743 793.00 1.78 0.014681 794.00 1.77 0.014608 795.00 1.76 0.014526 796.00 1.75 0.014438 797.00 1.74 0.014349 798.00 1.72 0.014261 799.00 1.71 0.014169 800.00 1.70 0.014071 801.00 1.68 0.013970 802.00 1.67 0.013865 803.00 1.65 0.013761 804.00 1.64 0.013661 805.00 1.62 0.013559 806.00 1.61 0.013455 807.00 1.60 0.013350 808.00 1.58 0.013244 809.00 1.57 0.013143 810.00 1.55 0.013048 811.00 1.54 0.012949 812.00 1.52 0.012850 813.00 1.51 0.012738 814.00 1.37 0.010852 815.00 1.13 0.009299 816.00 0.93 0.008021 817.00 0.76 0.006969 818.00 0.63 0.006102 819.00 0.52 0.005389 820.00 0.43 0.004802 821.00 0.35 0.004319 822.00 0.29 0.003921 Page 45 of 335 823.00 0.24 0.003593 824.00 0.20 0.003323 825.00 0.16 0.003101 826.00 0.13 0.002918 827.00 0.11 0.002768 828.00 0.09 0.002644 829.00 0.07 0.002542 830.00 0.06 0.002458 831.00 0.05 0.002389 832.00 0.04 0.002332 833.00 0.03 0.002285 834.00 0.03 0.002247 835.00 0.02 0.002215 836.00 0.02 0.002189 837.00 0.02 0.002167 838.00 0.01 0.002150 Page 46 of 335 n Detention Basin Analysis: Basin #2 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 7.0000 ft Weir Coefficient: 3.3670 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 48 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.07 11.76 5.00 0.10 38.79 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 8.747 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 18093.09 ft^3 Time (min) Discharge cfs 614.00 0.20 615.00 0.21 616.00 0.21 617.00 0.21 618.00 0.22 619.00 0.22 620.00 0.22 621.00 0.23 622.00 0.23 623.00 0.23 624.00 0.23 625.00 0.24 626.00 0.24 627.00 0.25 628.00 0.25 629.00 0.25 630.00 0.26 631.00 0.26 632.00 0.26 633.00 0.27 634.00 0.27 635.00 0.28 636.00 0.28 637.00 0.28 638.00 0.29 639.00 0.29 640.00 0.30 641.00 0.30 642.00 0.31 643.00 0.31 644.00 0.32 645.00 0.33 646.00 0.33 Page 49 of 335 647.00 0.34 648.00 0.34 649.00 0.35 650.00 0.35 651.00 0.36 652.00 0.37 653.00 0.37 654.00 0.38 655.00 0.38 656.00 0.39 657.00 0.40 658.00 0.40 659.00 0.41 660.00 0.42 661.00 0.43 662.00 0.43 663.00 0.44 664.00 0.45 665.00 0.46 666.00 0.47 667.00 0.47 668.00 0.49 669.00 0.50 670.00 0.51 671.00 0.52 672.00 0.53 673.00 0.55 674.00 0.56 675.00 0.58 676.00 0.59 677.00 0.60 678.00 0.62 679.00 0.63 680.00 0.65 681.00 0.66 682.00 0.68 683.00 0.70 684.00 0.71 685.00 0.72 686.00 0.74 687.00 0.76 688.00 0.78 689.00 0.80 690.00 0.80 691.00 0.87 692.00 1.00 693.00 1.17 694.00 1.31 695.00 1.41 696.00 1.50 Page 50 of 335 697.00 1.72 698.00 2.14 699.00 2.51 700.00 2.80 701.00 3.07 702.00 3.29 703.00 3.74 704.00 4.50 705.00 5.05 706.00 5.32 707.00 5.67 708.00 5.80 709.00 6.66 710.00 7.41 711.00 8.33 712.00 8.41 713.00 8.58 714.00 8.75 715.00 8.20 716.00 7.81 717.00 7.54 718.00 7.79 719.00 7.52 720.00 7.88 721.00 6.60 722.00 5.89 723.00 4.65 724.00 3.98 725.00 3.52 726.00 3.08 727.00 2.76 728.00 2.45 729.00 2.26 730.00 2.16 731.00 2.07 732.00 2.01 733.00 1.96 734.00 1.87 735.00 1.81 736.00 1.75 737.00 1.75 738.00 1.72 739.00 1.72 740.00 1.64 741.00 1.58 742.00 1.55 743.00 1.50 744.00 1.49 745.00 1.47 746.00 1.40 Page 51 of 335 747.00 1.35 748.00 1.31 749.00 1.28 750.00 1.27 751.00 1.24 752.00 1.19 753.00 1.15 754.00 1.12 755.00 1.10 756.00 1.08 757.00 1.07 758.00 1.05 759.00 1.03 760.00 1.01 761.00 1.01 762.00 1.00 763.00 0.98 764.00 0.97 765.00 0.96 766.00 0.95 767.00 0.94 768.00 0.95 769.00 0.93 770.00 0.92 771.00 0.91 772.00 0.90 773.00 0.89 774.00 0.88 775.00 0.88 776.00 0.86 777.00 0.85 778.00 0.84 779.00 0.83 780.00 0.82 781.00 0.82 782.00 0.81 783.00 0.80 784.00 0.79 785.00 0.78 786.00 0.78 787.00 0.77 788.00 0.76 789.00 0.75 790.00 0.74 791.00 0.74 792.00 0.73 793.00 0.73 794.00 0.72 795.00 0.71 796.00 0.71 Page 52 of 335 797.00 0.70 798.00 0.70 799.00 0.69 800.00 0.69 801.00 0.68 802.00 0.68 803.00 0.67 804.00 0.67 805.00 0.66 806.00 0.65 807.00 0.65 808.00 0.64 809.00 0.64 810.00 0.63 811.00 0.62 812.00 0.62 813.00 0.61 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 7.809 cis, Time to Peak: 716.00 (min), Total Outflow Volume: 18620.66 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.03 0.000264 616.00 0.05 0.000497 617.00 0.07 0.000703 618.00 0.09 0.000884 619.00 0.11 0.001044 620.00 0.12 0.001187 621.00 0.14 0.001315 622.00 0.15 0.001431 623.00 0.16 0.001535 624.00 0.17 0.001628 625.00 0.18 0.001713 626.00 0.19 0.001791 627.00 0.20 0.001863 628.00 0.20 0.001929 629.00 0.21 0.001991 630.00 0.22 0.002050 631.00 0.22 0.002104 632.00 0.23 0.002156 633.00 0.23 0.002207 634.00 0.24 0.002256 635.00 0.24 0.002303 636.00 0.25 0.002350 Page 53 of 335 637.00 0.25 0.002396 638.00 0.26 0.002441 639.00 0.26 0.002487 640.00 0.27 0.002534 641.00 0.27 0.002581 642.00 0.28 0.002627 643.00 0.28 0.002672 644.00 0.29 0.002720 645.00 0.29 0.002769 646.00 0.30 0.002818 647.00 0.30 0.002868 648.00 0.31 0.002917 649.00 0.31 0.002966 650.00 0.32 0.003019 651.00 0.32 0.003072 652.00 0.33 0.003126 653.00 0.33 0.003180 654.00 0.34 0.003234 655.00 0.34 0.003288 656.00 0.35 0.003343 657.00 0.36 0.003400 658.00 0.36 0.003457 659.00 0.37 0.003516 660.00 0.37 0.003574 661.00 0.38 0.003637 662.00 0.39 0.003700 663.00 0.39 0.003765 664.00 0.40 0.003833 665.00 0.41 0.003903 666.00 0.42 0.003972 667.00 0.42 0.004042 668.00 0.43 0.004117 669.00 0.44 0.004202 670.00 0.45 0.004291 671.00 0.46 0.004382 672.00 0.47 0.004474 673.00 0.48 0.004568 674.00 0.49 0.004668 675.00 0.50 0.004775 676.00 0.51 0.004887 677.00 0.52 0.005000 678.00 0.53 0.005114 679.00 0.55 0.005230 680.00 0.56 0.005351 681.00 0.57 0.005479 682.00 0.58 0.005613 683.00 0.60 0.005746 684.00 0.61 0.005879 685.00 0.63 0.006007 686.00 0.64 0.006142 Page 54 of 335 687.00 0.65 0.006281 688.00 0.67 0.006428 689.00 0.69 0.006579 690.00 0.70 0.006717 691.00 0.72 0.006923 692.00 0.75 0.007274 693.00 0.79 0.007790 694.00 0.85 0.008422 695.00 0.92 0.009099 696.00 1.00 0.009801 697.00 1.08 0.010689 698.00 1.19 0.011990 699.00 1.35 0.013593 700.00 1.52 0.015347 701.00 1.71 0.017213 702.00 1.91 0.019108 703.00 2.13 0.021336 704.00 2.40 0.024228 705.00 2.72 0.027445 706.00 3.05 0.030573 707.00 3.59 0.033446 708.00 4.14 0.035730 709.00 4.68 0.038451 710.00 5.29 0.041375 711.00 5.96 0.044648 712.00 6.58 0.047165 713.00 7.07 0.049243 714.00 7.49 0.050981 715.00 7.74 0.051616 716.00 7.81 0.051639 717.00 7.77 0.051476 718.00 7.75 0.051540 719.00 7.72 0.051264 720.00 7.72 0.051487 721.00 7.59 0.050642 722.00 7.25 0.049026 723.00 6.74 0.046652 724.00 6.11 0.043744 725.00 5.50 0.041018 726.00 4.93 0.038473 727.00 4.41 0.036196 728.00 3.95 0.034134 729.00 3.54 0.032378 730.00 3.19 0.030949 731.00 3.03 0.029635 732.00 2.89 0.028417 733.00 2.77 0.027292 734.00 2.66 0.026208 735.00 2.55 0.025201 736.00 2.44 0.024251 Page 55 of 335 737.00 2.35 0.023420 738.00 2.27 0.022671 739.00 2.19 0.022013 740.00 2.12 0.021346 741.00 2.05 0.020690 742.00 1.99 0.020082 743.00 1.92 0.019501 744.00 1.87 0.018987 745.00 1.82 0.018514 746.00 1.76 0.018009 747.00 1.71 0.017506 748.00 1.66 0.017022 749.00 1.61 0.016566 750.00 1.56 0.016162 751.00 1.52 0.015766 752.00 1.48 0.015369 753.00 1.44 0.014964 754.00 1.40 0.014588 755.00 1.36 0.014232 756.00 1.32 0.013901 757.00 1.29 0.013601 758.00 1.26 0.013315 759.00 1.23 0.013034 760.00 1.20 0.012767 761.00 1.18 0.012543 762.00 1.15 0.012336 763.00 1.13 0.012132 764.00 1.11 0.011944 765.00 1.09 0.011770 766.00 1.07 0.011599 767.00 1.06 0.011445 768.00 1.04 0.011320 769.00 1.03 0.011182 770.00 1.01 0.011053 771.00 1.00 0.010922 772.00 0.99 0.010800 773.00 0.97 0.010679 774.00 0.96 0.010568 775.00 0.95 0.010465 776.00 0.94 0.010361 777.00 0.93 0.010255 778.00 0.92 0.010148 779.00 0.91 0.010043 780.00 0.90 0.009945 781.00 0.89 0.009850 782.00 0.88 0.009753 783.00 0.87 0.009658 784.00 0.86 0.009565 785.00 0.85 0.009473 786.00 0.84 0.009390 Page 56 of 335 787.00 0.83 0.009308 788.00 0.82 0.009226 789.00 0.81 0.009147 790.00 0.80 0.009066 791.00 0.79 0.008994 792.00 0.79 0.008923 793.00 0.78 0.008855 794.00 0.77 0.008788 795.00 0.77 0.008719 796.00 0.76 0.008654 797.00 0.75 0.008589 798.00 0.74 0.008529 799.00 0.74 0.008466 800.00 0.73 0.008412 801.00 0.73 0.008349 802.00 0.72 0.008291 803.00 0.71 0.008236 804.00 0.71 0.008179 805.00 0.70 0.008116 806.00 0.70 0.008057 807.00 0.69 0.008000 808.00 0.68 0.007943 809.00 0.68 0.007888 810.00 0.67 0.007834 811.00 0.67 0.007776 812.00 0.66 0.007719 813.00 0.65 0.007663 814.00 0.61 0.006827 815.00 0.52 0.006104 816.00 0.45 0.005479 817.00 0.39 0.004938 818.00 0.34 0.004470 819.00 0.29 0.004065 820.00 0.25 0.003715 821.00 0.22 0.003412 822.00 0.19 0.003149 823.00 0.16 0.002923 824.00 0.14 0.002726 825.00 0.12 0.002557 826.00 0.11 0.002410 827.00 0.09 0.002283 828.00 0.08 0.002173 829.00 0.07 0.002078 830.00 0.06 0.001996 831.00 0.05 0.001925 832.00 0.04 0.001863 833.00 0.04 0.001810 834.00 0.03 0.001764 835.00 0.03 0.001724 836.00 0.03 0.001690 Page 57 of 335 837.00 0.02 0.001660 838.00 0.02 0.001634 839.00 0.02 0.001612 840.00 0.01 0.001593 841.00 0.01 0.001576 842.00 0.01 0.001561 843.00 0.01 0.001549 844.00 0.01 0.001538 845.00 0.01 0.001529 846.00 0.01 0.001521 847.00 0.01 0.001514 848.00 0.00 0.001508 849.00 0.00 0.001502 Channel Analysis: Basin #2 Outfall Channel Analysis 10yr Storm Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.1600 ft/ft Manning's n: 0.0350 Flow 11.7600 cfs Result Parameters Depth 0.3804 ft Area of Flow 1.5754 ft^2 Wetted Perimeter 5.4060 ft Hydraulic Radius 0.2914 ft Average Velocity 7.4646 ft/s Top Width 5.2825 ft Fronde Number: 2.4088 Critical Depth 0.6293 ft Page 58 of 335 Critical Velocity 3.8232 ft/s Critical Slope: 0.0242 ft/ft Critical Top Width 6.78 ft Calculated Max Shear Stress 3.7981 lb/ft^2 Calculated Avg Shear Stress 2.9096 lb/ft^2 Channel Lining Analysis: Basin #2 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 lb/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 Page 59 of 335 C6: 1 Safety Factor: 1.5 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 2.90956 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 3.79814 lb/ft^2 Effective Shear Stress: 0.0339093 lb/ft^2 Permissible Shear Stress on RECP: 7.25961 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 The channel is stable Channel Summary Name of Selected Channel: Basin #2 Outfall Channel AnalysIs 10yr Storm Page 60 of 335 Page 61 of Detention Basin Analysis: Basin #3 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 4.0000 ft Weir Coefficient: 3.3670 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 62 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 10.89 5.00 0.10 27.68 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge:1.626 cfs, Time to Peak: 813.00 (min), Total Inflow Volume: 4043.46 ft^ 3 Time (min) Discharge cfs 614.00 0.11 615.00 0.11 616.00 0.11 617.00 0.11 618.00 0.11 619.00 0.11 620.00 0.11 621.00 0.11 622.00 0.11 623.00 0.11 624.00 0.11 625.00 0.11 626.00 0.11 627.00 0.11 628.00 0.11 629.00 0.11 630.00 0.12 631.00 0.12 632.00 0.12 633.00 0.12 634.00 0.12 635.00 0.12 636.00 0.12 637.00 0.12 638.00 0.12 639.00 0.12 640.00 0.12 641.00 0.12 642.00 0.12 643.00 0.12 644.00 0.12 645.00 0.12 646.00 0.12 Page 63 of 335 647.00 0.12 648.00 0.12 649.00 0.13 650.00 0.13 651.00 0.13 652.00 0.13 653.00 0.13 654.00 0.13 655.00 0.13 656.00 0.13 657.00 0.13 658.00 0.13 659.00 0.13 660.00 0.13 661.00 0.14 662.00 0.14 663.00 0.14 664.00 0.14 665.00 0.14 666.00 0.14 667.00 0.14 668.00 0.14 669.00 0.14 670.00 0.14 671.00 0.14 672.00 0.14 673.00 0.14 674.00 0.14 675.00 0.15 676.00 0.15 677.00 0.15 678.00 0.15 679.00 0.15 680.00 0.15 681.00 0.15 682.00 0.15 683.00 0.15 684.00 0.15 685.00 0.15 686.00 0.16 687.00 0.16 688.00 0.16 689.00 0.16 690.00 0.16 691.00 0.16 692.00 0.16 693.00 0.16 694.00 0.17 695.00 0.17 696.00 0.17 Page 64 of 335 697.00 0.17 698.00 0.17 699.00 0.17 700.00 0.17 701.00 0.17 702.00 0.17 703.00 0.17 704.00 0.17 705.00 0.18 706.00 0.18 707.00 0.18 708.00 0.18 709.00 0.18 710.00 0.18 711.00 0.18 712.00 0.18 713.00 0.19 714.00 0.19 715.00 0.19 716.00 0.19 717.00 0.19 718.00 0.20 719.00 0.20 720.00 0.20 721.00 0.20 722.00 0.20 723.00 0.20 724.00 0.20 725.00 0.21 726.00 0.21 727.00 0.21 728.00 0.21 729.00 0.22 730.00 0.22 731.00 0.22 732.00 0.23 733.00 0.23 734.00 0.23 735.00 0.23 736.00 0.23 737.00 0.24 738.00 0.24 739.00 0.24 740.00 0.25 741.00 0.25 742.00 0.26 743.00 0.26 744.00 0.26 745.00 0.26 746.00 0.27 Page 65 of 335 747.00 0.27 748.00 0.27 749.00 0.28 750.00 0.28 751.00 0.28 752.00 0.29 753.00 0.29 754.00 0.30 755.00 0.31 756.00 0.31 757.00 0.32 758.00 0.33 759.00 0.33 760.00 0.34 761.00 0.35 762.00 0.35 763.00 0.36 764.00 0.38 765.00 0.39 766.00 0.40 767.00 0.40 768.00 0.42 769.00 0.42 770.00 0.43 771.00 0.45 772.00 0.46 773.00 0.47 774.00 0.49 775.00 0.49 776.00 0.50 777.00 0.51 778.00 0.52 779.00 0.54 780.00 0.55 781.00 0.57 782.00 0.58 783.00 0.58 784.00 0.59 785.00 0.61 786.00 0.63 787.00 0.65 788.00 0.67 789.00 0.69 790.00 0.72 791.00 0.73 792.00 0.76 793.00 0.78 794.00 0.86 795.00 0.87 796.00 0.95 Page 66 of 335 797.00 0.96 798.00 1.00 799.00 1.03 800.00 1.05 801.00 1.07 802.00 1.14 803.00 1.29 804.00 1.44 805.00 1.45 806.00 1.45 807.00 1.46 808.00 1.47 809.00 1.49 810.00 1.53 811.00 1.54 812.00 1.58 813.00 1.63 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 1.333 cis, Time to Peak: 813.00 (min), Total Outflow Volume: 4320.86 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000141 616.00 0.02 0.000266 617.00 0.03 0.000377 618.00 0.04 0.000476 619.00 0.05 0.000565 620.00 0.06 0.000643 621.00 0.06 0.000714 622.00 0.07 0.000777 623.00 0.07 0.000833 624.00 0.08 0.000883 625.00 0.08 0.000928 626.00 0.09 0.000968 627.00 0.09 0.001005 628.00 0.09 0.001038 629.00 0.09 0.001067 630.00 0.10 0.001093 631.00 0.10 0.001117 632.00 0.10 0.001139 633.00 0.10 0.001159 634.00 0.10 0.001178 635.00 0.11 0.001195 636.00 0.11 0.001210 Page 67 of 335 637.00 0.11 0.001224 638.00 0.11 0.001237 639.00 0.11 0.001249 640.00 0.11 0.001261 641.00 0.11 0.001272 642.00 0.11 0.001283 643.00 0.11 0.001293 644.00 0.11 0.001303 645.00 0.12 0.001313 646.00 0.12 0.001323 647.00 0.12 0.001332 648.00 0.12 0.001341 649.00 0.12 0.001351 650.00 0.12 0.001360 651.00 0.12 0.001369 652.00 0.12 0.001378 653.00 0.12 0.001387 654.00 0.12 0.001396 655.00 0.12 0.001406 656.00 0.12 0.001415 657.00 0.13 0.001425 658.00 0.13 0.001434 659.00 0.13 0.001442 660.00 0.13 0.001450 661.00 0.13 0.001459 662.00 0.13 0.001467 663.00 0.13 0.001475 664.00 0.13 0.001483 665.00 0.13 0.001491 666.00 0.13 0.001499 667.00 0.13 0.001507 668.00 0.13 0.001516 669.00 0.13 0.001526 670.00 0.14 0.001535 671.00 0.14 0.001545 672.00 0.14 0.001553 673.00 0.14 0.001561 674.00 0.14 0.001570 675.00 0.14 0.001580 676.00 0.14 0.001589 677.00 0.14 0.001597 678.00 0.14 0.001606 679.00 0.14 0.001616 680.00 0.14 0.001627 681.00 0.14 0.001636 682.00 0.15 0.001646 683.00 0.15 0.001655 684.00 0.15 0.001665 685.00 0.15 0.001675 686.00 0.15 0.001685 Page 68 of 335 687.00 0.15 0.001697 688.00 0.15 0.001707 689.00 0.15 0.001718 690.00 0.15 0.001728 691.00 0.15 0.001740 692.00 0.15 0.001751 693.00 0.16 0.001761 694.00 0.16 0.001773 695.00 0.16 0.001784 696.00 0.16 0.001795 697.00 0.16 0.001807 698.00 0.16 0.001819 699.00 0.16 0.001831 700.00 0.16 0.001841 701.00 0.16 0.001853 702.00 0.16 0.001865 703.00 0.17 0.001877 704.00 0.17 0.001889 705.00 0.17 0.001902 706.00 0.17 0.001914 707.00 0.17 0.001926 708.00 0.17 0.001937 709.00 0.17 0.001950 710.00 0.17 0.001962 711.00 0.17 0.001973 712.00 0.18 0.001986 713.00 0.18 0.001999 714.00 0.18 0.002013 715.00 0.18 0.002027 716.00 0.18 0.002042 717.00 0.18 0.002059 718.00 0.18 0.002075 719.00 0.18 0.002093 720.00 0.19 0.002111 721.00 0.19 0.002130 722.00 0.19 0.002149 723.00 0.19 0.002169 724.00 0.19 0.002186 725.00 0.19 0.002205 726.00 0.20 0.002226 727.00 0.20 0.002247 728.00 0.20 0.002268 729.00 0.20 0.002291 730.00 0.20 0.002315 731.00 0.21 0.002340 732.00 0.21 0.002368 733.00 0.21 0.002393 734.00 0.21 0.002417 735.00 0.21 0.002441 736.00 0.22 0.002466 Page 69 of 335 737.00 0.22 0.002492 738.00 0.22 0.002521 739.00 0.22 0.002549 740.00 0.23 0.002579 741.00 0.23 0.002609 742.00 0.23 0.002641 743.00 0.23 0.002670 744.00 0.24 0.002700 745.00 0.24 0.002732 746.00 0.24 0.002766 747.00 0.25 0.002802 748.00 0.25 0.002835 749.00 0.25 0.002870 750.00 0.26 0.002908 751.00 0.26 0.002942 752.00 0.26 0.002979 753.00 0.27 0.003021 754.00 0.27 0.003065 755.00 0.27 0.003112 756.00 0.28 0.003155 757.00 0.28 0.003205 758.00 0.29 0.003260 759.00 0.29 0.003315 760.00 0.30 0.003372 761.00 0.30 0.003436 762.00 0.31 0.003503 763.00 0.31 0.003575 764.00 0.32 0.003653 765.00 0.33 0.003739 766.00 0.33 0.003834 767.00 0.34 0.003917 768.00 0.35 0.004010 769.00 0.36 0.004100 770.00 0.37 0.004194 771.00 0.37 0.004292 772.00 0.38 0.004396 773.00 0.39 0.004508 774.00 0.40 0.004628 775.00 0.41 0.004737 776.00 0.42 0.004842 777.00 0.43 0.004949 778.00 0.44 0.005059 779.00 0.45 0.005176 780.00 0.46 0.005300 781.00 0.47 0.005431 782.00 0.49 0.005559 783.00 0.50 0.005677 784.00 0.51 0.005794 785.00 0.52 0.005918 786.00 0.53 0.006055 Page 70 of 335 787.00 0.54 0.006210 788.00 0.56 0.006366 789.00 0.57 0.006531 790.00 0.59 0.006724 791.00 0.60 0.006896 792.00 0.62 0.007087 793.00 0.63 0.007290 794.00 0.66 0.007575 795.00 0.68 0.007835 796.00 0.71 0.008173 797.00 0.74 0.008489 798.00 0.76 0.008811 799.00 0.79 0.009133 800.00 0.82 0.009449 801.00 0.85 0.009758 802.00 0.88 0.010116 803.00 0.92 0.010636 804.00 0.97 0.011290 805.00 1.02 0.011884 806.00 1.07 0.012410 807.00 1.12 0.012880 808.00 1.16 0.013307 809.00 1.19 0.013715 810.00 1.23 0.014134 811.00 1.26 0.014510 812.00 1.30 0.014896 813.00 1.33 0.015300 814.00 1.27 0.014427 815.00 1.13 0.012875 816.00 1.00 0.011500 817.00 0.88 0.010283 818.00 0.78 0.009205 819.00 0.69 0.008251 820.00 0.61 0.007406 821.00 0.54 0.006658 822.00 0.48 0.005995 823.00 0.43 0.005409 824.00 0.38 0.004890 825.00 0.33 0.004430 826.00 0.30 0.004023 827.00 0.26 0.003662 828.00 0.23 0.003343 829.00 0.21 0.003061 830.00 0.18 0.002810 831.00 0.16 0.002589 832.00 0.14 0.002393 833.00 0.13 0.002219 834.00 0.11 0.002065 835.00 0.10 0.001929 836.00 0.09 0.001808 Page 71 of 335 837.00 0.08 0.001702 838.00 0.07 0.001607 839.00 0.06 0.001523 840.00 0.05 0.001449 841.00 0.05 0.001384 842.00 0.04 0.001326 843.00 0.04 0.001274 844.00 0.03 0.001229 845.00 0.03 0.001188 846.00 0.03 0.001153 847.00 0.02 0.001121 848.00 0.02 0.001093 849.00 0.02 0.001068 850.00 0.02 0.001046 851.00 0.01 0.001027 852.00 0.01 0.001010 853.00 0.01 0.000994 854.00 0.01 0.000981 855.00 0.01 0.000969 856.00 0.01 0.000958 857.00 0.01 0.000949 858.00 0.01 0.000941 859.00 0.01 0.000933 860.00 0.00 0.000927 861.00 0.00 0.000921 862.00 0.00 0.000916 863.00 0.00 0.000912 864.00 0.00 0.000908 865.00 0.00 0.000904 866.00 0.00 0.000901 867.00 0.00 0.000898 868.00 0.00 0.000896 869.00 0.00 0.000894 870.00 0.00 0.000892 871.00 0.00 0.000890 872.00 0.00 0.000888 873.00 0.00 0.000887 874.00 0.00 0.000886 875.00 0.00 0.000885 Channel Analysis: Basin #3 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Page 72 of 335 Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.1300 ft/ft Manning's n: 0.0350 Flow 10.8900 cfs Result Parameters Depth 0.3860 ft Area of Flow 1.6052 ft^2 Wetted Perimeter 5.4415 ft Hydraulic Radius 0.2950 ft Average Velocity 6.7842 ft/s Top Width 5.3163 ft Fronde Number: 2.1757 Critical Depth 0.6029 ft Critical Velocity 3.7560 ft/s Critical Slope: 0.0244 ft/ft Critical Top Width 6.62 ft Calculated Max Shear Stress 3.1316 lb/ft^2 Calculated Avg Shear Stress 2.3930 lb/ft^2 Channel Lining Analysis: Basin #3 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n Page 73 of 335 RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 lb/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Safety Factor: 1.5 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 2.39297 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 3.13157 lb/ft^2 Effective Shear Stress: 0.0222444lb/ft^2 Permissible Shear Stress on RECP: 7.25961 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 Page 74 of 335 The channel is stable Channel Summary Name of Selected Channel: Basin #3 Channel Analysis Page 75 of 335 Y Detention Basin Analysis: Basin #4 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.05 4.00 0.13 5.00 0.16 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter: 0.5000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 28.0000 ft Weir Coefficient: 3.3670 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 77 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.05 1.58 4.00 0.13 9.03 5.00 0.16 106.34 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 20.631 cfs, Time to Peak: 719.00 (min), Total Inflow Volume: 46800.57 ft^3 Time (min) Discharge cfs 614.00 0.26 615.00 0.27 616.00 0.27 617.00 0.27 618.00 0.28 619.00 0.28 620.00 0.29 621.00 0.29 622.00 0.29 623.00 0.30 624.00 0.30 625.00 0.31 626.00 0.31 627.00 0.32 628.00 0.32 629.00 0.33 630.00 0.33 631.00 0.34 632.00 0.34 633.00 0.35 634.00 0.35 635.00 0.37 636.00 0.37 637.00 0.38 638.00 0.38 639.00 0.39 640.00 0.39 641.00 0.40 642.00 0.41 643.00 0.41 644.00 0.42 645.00 0.43 646.00 0.43 Page 78 of 335 647.00 0.44 648.00 0.45 649.00 0.46 650.00 0.47 651.00 0.47 652.00 0.48 653.00 0.49 654.00 0.50 655.00 0.51 656.00 0.52 657.00 0.53 658.00 0.54 659.00 0.55 660.00 0.55 661.00 0.56 662.00 0.58 663.00 0.59 664.00 0.60 665.00 0.61 666.00 0.62 667.00 0.64 668.00 0.65 669.00 0.67 670.00 0.69 671.00 0.70 672.00 0.72 673.00 0.74 674.00 0.76 675.00 0.78 676.00 0.81 677.00 0.83 678.00 0.85 679.00 0.88 680.00 0.90 681.00 0.93 682.00 0.96 683.00 0.99 684.00 1.01 685.00 1.05 686.00 1.08 687.00 1.12 688.00 1.15 689.00 1.19 690.00 1.23 691.00 1.32 692.00 1.43 693.00 1.57 694.00 1.71 695.00 1.83 696.00 1.95 Page 79 of 335 697.00 2.21 698.00 2.56 699.00 3.04 700.00 3.49 701.00 3.94 702.00 4.40 703.00 5.15 704.00 6.11 705.00 7.21 706.00 8.28 707.00 9.28 708.00 10.38 709.00 13.41 710.00 15.86 711.00 15.62 712.00 16.05 713.00 16.67 714.00 18.38 715.00 19.10 716.00 19.84 717.00 20.36 718.00 20.62 719.00 20.63 720.00 20.52 721.00 18.65 722.00 16.63 723.00 14.90 724.00 13.51 725.00 12.26 726.00 11.13 727.00 10.08 728.00 9.27 729.00 8.62 730.00 8.07 731.00 7.56 732.00 7.09 733.00 6.72 734.00 6.43 735.00 6.21 736.00 6.04 737.00 5.92 738.00 5.82 739.00 5.71 740.00 5.61 741.00 5.51 742.00 5.44 743.00 5.36 744.00 5.29 745.00 5.21 746.00 5.11 Page 80 of 335 747.00 5.03 748.00 4.95 749.00 4.87 750.00 4.81 751.00 4.72 752.00 4.63 753.00 4.55 754.00 4.46 755.00 4.40 756.00 4.33 757.00 4.27 758.00 4.21 759.00 4.17 760.00 4.13 761.00 4.11 762.00 4.07 763.00 4.03 764.00 3.99 765.00 3.95 766.00 3.90 767.00 3.88 768.00 3.86 769.00 3.83 770.00 3.80 771.00 3.76 772.00 3.73 773.00 3.70 774.00 3.66 775.00 3.62 776.00 3.58 777.00 3.53 778.00 3.49 779.00 3.46 780.00 3.43 781.00 3.36 782.00 3.30 783.00 3.25 784.00 3.17 785.00 3.12 786.00 3.08 787.00 2.97 788.00 2.96 789.00 2.90 790.00 2.86 791.00 2.92 792.00 2.93 793.00 2.90 794.00 2.87 795.00 2.77 796.00 2.74 Page 81 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 2.67 2.58 2.48 2.36 2.23 2.44 2.45 2.44 2.39 2.36 2.33 2.31 2.28 2.26 2.22 2.19 2.16 Routed Hydrograph Peak Outflow Discharge: 20.642 cis, Time to Peak: 719.00 (min), Total Outflow Volume: 47058.08 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000356 616.00 0.02 0.000702 617.00 0.03 0.001039 618.00 0.04 0.001366 619.00 0.05 0.001685 620.00 0.06 0.001996 621.00 0.07 0.002300 622.00 0.08 0.002596 623.00 0.09 0.002884 624.00 0.10 0.003167 625.00 0.11 0.003444 626.00 0.12 0.003716 627.00 0.13 0.003982 628.00 0.13 0.004244 629.00 0.14 0.004501 630.00 0.15 0.004754 631.00 0.16 0.005003 632.00 0.17 0.005249 633.00 0.17 0.005491 634.00 0.18 0.005731 635.00 0.19 0.005979 636.00 0.20 0.006223 Page 82 of 335 637.00 0.20 0.006461 638.00 0.21 0.006697 639.00 0.22 0.006932 640.00 0.23 0.007164 641.00 0.23 0.007396 642.00 0.24 0.007626 643.00 0.25 0.007856 644.00 0.25 0.008084 645.00 0.26 0.008312 646.00 0.27 0.008539 647.00 0.28 0.008766 648.00 0.28 0.008994 649.00 0.29 0.009223 650.00 0.30 0.009453 651.00 0.31 0.009686 652.00 0.31 0.009919 653.00 0.32 0.010155 654.00 0.33 0.010392 655.00 0.33 0.010631 656.00 0.34 0.010873 657.00 0.35 0.011117 658.00 0.36 0.011362 659.00 0.37 0.011610 660.00 0.37 0.011858 661.00 0.38 0.012112 662.00 0.39 0.012369 663.00 0.40 0.012630 664.00 0.41 0.012896 665.00 0.41 0.013166 666.00 0.42 0.013440 667.00 0.43 0.013723 668.00 0.44 0.014013 669.00 0.45 0.014312 670.00 0.46 0.014622 671.00 0.47 0.014940 672.00 0.48 0.015267 673.00 0.49 0.015607 674.00 0.50 0.015961 675.00 0.51 0.016331 676.00 0.52 0.016718 677.00 0.54 0.017119 678.00 0.55 0.017534 679.00 0.56 0.017967 680.00 0.58 0.018416 681.00 0.59 0.018885 682.00 0.61 0.019372 683.00 0.62 0.019874 684.00 0.64 0.020391 685.00 0.65 0.020930 686.00 0.67 0.021492 Page 83 of 335 687.00 0.69 0.022079 688.00 0.71 0.022687 689.00 0.73 0.023318 690.00 0.75 0.023978 691.00 0.77 0.024735 692.00 0.80 0.025606 693.00 0.83 0.026629 694.00 0.86 0.027803 695.00 0.90 0.029091 696.00 0.94 0.030485 697.00 0.99 0.032161 698.00 1.05 0.034241 699.00 1.12 0.036887 700.00 1.22 0.040019 701.00 1.32 0.043621 702.00 1.44 0.047692 703.00 1.60 0.052583 704.00 2.09 0.058124 705.00 2.64 0.064426 706.00 3.25 0.071343 707.00 3.92 0.078730 708.00 4.63 0.086651 709.00 5.51 0.097539 710.00 6.61 0.110281 711.00 7.71 0.121170 712.00 8.69 0.131310 713.00 15.74 0.132597 714.00 18.21 0.132833 715.00 18.94 0.133055 716.00 19.67 0.133288 717.00 20.27 0.133463 718.00 20.58 0.133559 719.00 20.64 0.133579 720.00 20.55 0.133552 721.00 19.22 0.133141 722.00 17.04 0.132578 723.00 15.28 0.132055 724.00 13.79 0.131662 725.00 12.54 0.131281 726.00 11.38 0.130948 727.00 10.32 0.130627 728.00 9.43 0.130402 729.00 9.01 0.129869 730.00 8.93 0.128888 731.00 8.79 0.127447 732.00 8.62 0.125545 733.00 8.41 0.123329 734.00 8.19 0.120955 735.00 7.96 0.118537 736.00 7.74 0.116195 Page 84 of 335 737.00 7.53 0.113974 738.00 7.33 0.111892 739.00 7.14 0.109919 740.00 6.96 0.108052 741.00 6.79 0.106290 742.00 6.63 0.104641 743.00 6.48 0.103096 744.00 6.34 0.101650 745.00 6.21 0.100262 746.00 6.09 0.098925 747.00 5.96 0.097638 748.00 5.85 0.096398 749.00 5.73 0.095216 750.00 5.62 0.094091 751.00 5.52 0.092992 752.00 5.42 0.091901 753.00 5.32 0.090836 754.00 5.22 0.089796 755.00 5.13 0.088793 756.00 5.03 0.087830 757.00 4.95 0.086896 758.00 4.86 0.086002 759.00 4.78 0.085157 760.00 4.70 0.084363 761.00 4.63 0.083637 762.00 4.57 0.082947 763.00 4.50 0.082294 764.00 4.44 0.081669 765.00 4.39 0.081064 766.00 4.33 0.080464 767.00 4.28 0.079923 768.00 4.23 0.079417 769.00 4.18 0.078935 770.00 4.14 0.078468 771.00 4.09 0.078007 772.00 4.05 0.077557 773.00 4.01 0.077127 774.00 3.97 0.076698 775.00 3.93 0.076276 776.00 3.89 0.075844 777.00 3.85 0.075403 778.00 3.81 0.074966 779.00 3.77 0.074535 780.00 3.73 0.074116 781.00 3.69 0.073666 782.00 3.65 0.073193 783.00 3.60 0.072704 784.00 3.55 0.072169 785.00 3.50 0.071640 786.00 3.46 0.071124 Page 85 of 335 787.00 3.40 0.070531 788.00 3.35 0.069993 789.00 3.30 0.069444 790.00 3.25 0.068907 791.00 3.21 0.068513 792.00 3.17 0.068175 793.00 3.14 0.067843 794.00 3.11 0.067507 795.00 3.08 0.067087 796.00 3.04 0.066678 797.00 3.00 0.066231 798.00 2.95 0.065722 799.00 2.90 0.065148 800.00 2.84 0.064476 801.00 2.78 0.063729 802.00 2.72 0.063343 803.00 2.69 0.063010 804.00 2.66 0.062702 805.00 2.63 0.062375 806.00 2.60 0.062042 807.00 2.57 0.061718 808.00 2.54 0.061398 809.00 2.51 0.061085 810.00 2.48 0.060778 811.00 2.45 0.060456 812.00 2.42 0.060131 813.00 2.39 0.059815 814.00 2.23 0.057066 815.00 1.96 0.054360 816.00 1.73 0.051980 817.00 1.56 0.049837 818.00 1.49 0.047785 819.00 1.43 0.045820 820.00 1.37 0.043939 821.00 1.31 0.042138 822.00 1.25 0.040413 823.00 1.20 0.038761 824.00 1.15 0.037180 825.00 1.10 0.035665 826.00 1.05 0.034216 827.00 1.01 0.032827 828.00 0.97 0.031498 829.00 0.92 0.030225 830.00 0.88 0.029006 831.00 0.85 0.027839 832.00 0.81 0.026722 833.00 0.78 0.025652 834.00 0.74 0.024628 835.00 0.71 0.023647 836.00 0.68 0.022707 Page 86 of 335 837.00 0.65 0.021808 838.00 0.63 0.020947 839.00 0.60 0.020122 840.00 0.57 0.019333 841.00 0.55 0.018577 842.00 0.53 0.017853 843.00 0.50 0.017160 844.00 0.48 0.016496 845.00 0.46 0.015861 846.00 0.44 0.015252 847.00 0.42 0.014670 848.00 0.41 0.014112 849.00 0.39 0.013578 850.00 0.37 0.013066 851.00 0.36 0.012576 852.00 0.34 0.012107 853.00 0.33 0.011658 854.00 0.31 0.011228 855.00 0.30 0.010817 856.00 0.29 0.010423 857.00 0.27 0.010045 858.00 0.26 0.009684 859.00 0.25 0.009338 860.00 0.24 0.009006 861.00 0.23 0.008689 862.00 0.22 0.008385 863.00 0.21 0.008094 864.00 0.20 0.007816 865.00 0.19 0.007549 866.00 0.19 0.007294 867.00 0.18 0.007049 868.00 0.17 0.006815 869.00 0.16 0.006591 870.00 0.16 0.006376 871.00 0.15 0.006171 872.00 0.14 0.005974 873.00 0.14 0.005786 874.00 0.13 0.005605 875.00 0.13 0.005432 876.00 0.12 0.005267 877.00 0.11 0.005109 878.00 0.11 0.004957 879.00 0.11 0.004812 880.00 0.10 0.004673 881.00 0.10 0.004540 882.00 0.09 0.004412 883.00 0.09 0.004290 884.00 0.08 0.004173 885.00 0.08 0.004061 886.00 0.08 0.003954 Page 87 of 335 887.00 0.07 0.003851 888.00 0.07 0.003753 889.00 0.07 0.003659 890.00 0.07 0.003569 891.00 0.06 0.003483 892.00 0.06 0.003400 893.00 0.06 0.003321 894.00 0.05 0.003245 895.00 0.05 0.003173 896.00 0.05 0.003103 897.00 0.05 0.003037 898.00 0.05 0.002973 899.00 0.04 0.002912 900.00 0.04 0.002854 901.00 0.04 0.002798 902.00 0.04 0.002745 903.00 0.04 0.002693 904.00 0.04 0.002644 905.00 0.03 0.002597 906.00 0.03 0.002552 907.00 0.03 0.002509 908.00 0.03 0.002468 909.00 0.03 0.002429 910.00 0.03 0.002391 911.00 0.03 0.002355 912.00 0.03 0.002320 913.00 0.02 0.002287 914.00 0.02 0.002255 915.00 0.02 0.002225 916.00 0.02 0.002195 917.00 0.02 0.002167 918.00 0.02 0.002141 919.00 0.02 0.002115 920.00 0.02 0.002091 921.00 0.02 0.002067 922.00 0.02 0.002045 923.00 0.02 0.002023 924.00 0.01 0.002003 925.00 0.01 0.001983 926.00 0.01 0.001964 927.00 0.01 0.001946 928.00 0.01 0.001929 929.00 0.01 0.001912 930.00 0.01 0.001896 931.00 0.01 0.001881 932.00 0.01 0.001867 933.00 0.01 0.001853 Page 88 of 335 Detention Basin Analysis: Basin #5 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.08 5.00 0.11 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.3100 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.6700 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 4.5000 ft Weir Coefficient: 3.3670 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 90 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 1.95 4.00 0.08 7.61 5.00 0.11 25.03 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 9.210 cfs, Time to Peak: 715.00 (min), Total Inflow Volume: 20836.44 ft^3 Time (min) Discharge cfs 614.00 0.22 615.00 0.22 616.00 0.23 617.00 0.23 618.00 0.23 619.00 0.24 620.00 0.24 621.00 0.25 622.00 0.25 623.00 0.25 624.00 0.26 625.00 0.26 626.00 0.27 627.00 0.27 628.00 0.27 629.00 0.28 630.00 0.28 631.00 0.28 632.00 0.29 633.00 0.29 634.00 0.30 635.00 0.30 636.00 0.31 637.00 0.31 638.00 0.32 639.00 0.32 640.00 0.33 641.00 0.33 642.00 0.34 643.00 0.34 644.00 0.35 645.00 0.36 646.00 0.36 Page 91 of 335 647.00 0.37 648.00 0.38 649.00 0.38 650.00 0.39 651.00 0.40 652.00 0.40 653.00 0.41 654.00 0.42 655.00 0.42 656.00 0.43 657.00 0.44 658.00 0.45 659.00 0.45 660.00 0.46 661.00 0.47 662.00 0.48 663.00 0.49 664.00 0.50 665.00 0.51 666.00 0.52 667.00 0.53 668.00 0.54 669.00 0.55 670.00 0.57 671.00 0.58 672.00 0.59 673.00 0.61 674.00 0.62 675.00 0.64 676.00 0.66 677.00 0.68 678.00 0.69 679.00 0.71 680.00 0.72 681.00 0.74 682.00 0.77 683.00 0.79 684.00 0.81 685.00 0.82 686.00 0.84 687.00 0.86 688.00 0.88 689.00 0.90 690.00 0.92 691.00 0.97 692.00 1.07 693.00 1.23 694.00 1.42 695.00 1.58 696.00 1.72 Page 92 of 335 697.00 1.94 698.00 2.26 699.00 2.77 700.00 3.30 701.00 3.66 702.00 3.94 703.00 4.33 704.00 4.91 705.00 5.48 706.00 5.88 707.00 6.09 708.00 6.21 709.00 6.68 710.00 7.52 711.00 8.28 712.00 8.78 713.00 8.93 714.00 9.08 715.00 9.21 716.00 8.84 717.00 8.47 718.00 8.31 719.00 8.22 720.00 8.20 721.00 7.37 722.00 6.13 723.00 5.07 724.00 4.39 725.00 3.83 726.00 3.40 727.00 3.10 728.00 2.91 729.00 2.76 730.00 2.68 731.00 2.63 732.00 2.60 733.00 2.57 734.00 2.52 735.00 2.46 736.00 2.41 737.00 2.37 738.00 2.34 739.00 2.29 740.00 2.23 741.00 2.16 742.00 2.10 743.00 2.04 744.00 2.00 745.00 1.97 746.00 1.92 Page 93 of 335 747.00 1.85 748.00 1.78 749.00 1.73 750.00 1.69 751.00 1.64 752.00 1.60 753.00 1.55 754.00 1.51 755.00 1.47 756.00 1.44 757.00 1.41 758.00 1.39 759.00 1.36 760.00 1.34 761.00 1.32 762.00 1.30 763.00 1.29 764.00 1.27 765.00 1.25 766.00 1.24 767.00 1.22 768.00 1.21 769.00 1.20 770.00 1.19 771.00 1.17 772.00 1.15 773.00 1.14 774.00 1.13 775.00 1.12 776.00 1.11 777.00 1.09 778.00 1.08 779.00 1.06 780.00 1.05 781.00 1.04 782.00 1.03 783.00 1.02 784.00 1.00 785.00 0.99 786.00 0.98 787.00 0.98 788.00 0.97 789.00 0.96 790.00 0.95 791.00 0.94 792.00 0.93 793.00 0.93 794.00 0.92 795.00 0.91 796.00 0.90 Page 94 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 1 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 8.058 cis, Time to Peak: 720.00 (min), Total Outflow Volume: 21208.01 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.02 0.000293 616.00 0.04 0.000565 617.00 0.05 0.000818 618.00 0.07 0.001055 619.00 0.08 0.001276 620.00 0.10 0.001483 621.00 0.11 0.001677 622.00 0.12 0.001860 623.00 0.13 0.002033 624.00 0.14 0.002195 625.00 0.15 0.002349 626.00 0.16 0.002494 627.00 0.17 0.002632 628.00 0.18 0.002764 629.00 0.19 0.002889 630.00 0.20 0.003009 631.00 0.20 0.003123 632.00 0.21 0.003234 633.00 0.22 0.003342 634.00 0.22 0.003447 635.00 0.23 0.003549 636.00 0.24 0.003649 Page 95 of 335 637.00 0.24 0.003746 638.00 0.25 0.003842 639.00 0.26 0.003936 640.00 0.26 0.004028 641.00 0.27 0.004119 642.00 0.27 0.004209 643.00 0.28 0.004299 644.00 0.29 0.004389 645.00 0.29 0.004479 646.00 0.30 0.004569 647.00 0.30 0.004659 648.00 0.31 0.004751 649.00 0.32 0.004843 650.00 0.32 0.004935 651.00 0.33 0.005028 652.00 0.33 0.005122 653.00 0.34 0.005219 654.00 0.35 0.005317 655.00 0.35 0.005416 656.00 0.36 0.005515 657.00 0.37 0.005615 658.00 0.37 0.005717 659.00 0.38 0.005821 660.00 0.39 0.005925 661.00 0.39 0.006032 662.00 0.40 0.006140 663.00 0.41 0.006251 664.00 0.41 0.006365 665.00 0.42 0.006481 666.00 0.43 0.006603 667.00 0.44 0.006728 668.00 0.45 0.006857 669.00 0.45 0.006991 670.00 0.46 0.007133 671.00 0.47 0.007283 672.00 0.48 0.007438 673.00 0.49 0.007598 674.00 0.50 0.007765 675.00 0.51 0.007938 676.00 0.53 0.008120 677.00 0.54 0.008310 678.00 0.55 0.008505 679.00 0.56 0.008703 680.00 0.58 0.008906 681.00 0.59 0.009119 682.00 0.60 0.009342 683.00 0.62 0.009573 684.00 0.63 0.009813 685.00 0.65 0.010047 686.00 0.67 0.010286 Page 96 of 335 687.00 0.68 0.010535 688.00 0.70 0.010792 689.00 0.71 0.011052 690.00 0.73 0.011311 691.00 0.75 0.011616 692.00 0.77 0.012024 693.00 0.81 0.012612 694.00 0.85 0.013395 695.00 0.91 0.014329 696.00 0.97 0.015360 697.00 1.04 0.016589 698.00 1.13 0.018139 699.00 1.25 0.020225 700.00 1.40 0.022830 701.00 1.58 0.025686 702.00 1.77 0.028675 703.00 1.99 0.031901 704.00 2.37 0.035393 705.00 2.78 0.039113 706.00 3.20 0.042810 707.00 3.60 0.046233 708.00 3.97 0.049321 709.00 4.33 0.052568 710.00 4.73 0.056414 711.00 5.19 0.060670 712.00 5.67 0.064951 713.00 6.13 0.068807 714.00 6.54 0.072300 715.00 6.92 0.075455 716.00 7.22 0.077684 717.00 7.43 0.079115 718.00 7.57 0.080141 719.00 7.86 0.080634 720.00 8.06 0.080830 721.00 7.90 0.080508 722.00 7.52 0.079190 723.00 7.24 0.076742 724.00 6.88 0.073534 725.00 6.48 0.070004 726.00 6.06 0.066350 727.00 5.66 0.062833 728.00 5.27 0.059573 729.00 4.92 0.056596 730.00 4.60 0.053950 731.00 4.32 0.051622 732.00 4.08 0.049588 733.00 3.86 0.047805 734.00 3.67 0.046223 735.00 3.50 0.044787 736.00 3.35 0.043496 Page 97 of 335 737.00 3.21 0.042344 738.00 3.08 0.041319 739.00 2.97 0.040382 740.00 2.87 0.039505 741.00 2.77 0.038664 742.00 2.68 0.037862 743.00 2.59 0.037101 744.00 2.51 0.036403 745.00 2.43 0.035759 746.00 2.36 0.035145 747.00 2.29 0.034535 748.00 2.22 0.033929 749.00 2.16 0.033339 750.00 2.09 0.032782 751.00 2.03 0.032249 752.00 1.97 0.031742 753.00 1.93 0.031223 754.00 1.90 0.030690 755.00 1.86 0.030149 756.00 1.83 0.029611 757.00 1.79 0.029084 758.00 1.76 0.028573 759.00 1.73 0.028069 760.00 1.69 0.027580 761.00 1.66 0.027107 762.00 1.63 0.026650 763.00 1.60 0.026215 764.00 1.57 0.025799 765.00 1.55 0.025394 766.00 1.52 0.025000 767.00 1.50 0.024621 768.00 1.47 0.024260 769.00 1.45 0.023911 770.00 1.43 0.023580 771.00 1.41 0.023256 772.00 1.38 0.022933 773.00 1.36 0.022619 774.00 1.34 0.022326 775.00 1.33 0.022042 776.00 1.31 0.021772 777.00 1.29 0.021501 778.00 1.27 0.021234 779.00 1.25 0.020972 780.00 1.24 0.020717 781.00 1.22 0.020471 782.00 1.21 0.020232 783.00 1.19 0.019995 784.00 1.18 0.019761 785.00 1.16 0.019533 786.00 1.15 0.019311 Page 98 of 335 787.00 1.13 0.019097 788.00 1.12 0.018891 789.00 1.10 0.018691 790.00 1.09 0.018494 791.00 1.08 0.018303 792.00 1.07 0.018118 793.00 1.05 0.017941 794.00 1.04 0.017769 795.00 1.03 0.017601 796.00 1.02 0.017436 797.00 1.01 0.017275 798.00 1.00 0.017120 799.00 0.99 0.016970 800.00 0.98 0.016824 801.00 0.97 0.016680 802.00 0.96 0.016538 803.00 0.95 0.016398 804.00 0.94 0.016261 805.00 0.94 0.016129 806.00 0.93 0.015999 807.00 0.92 0.015871 808.00 0.91 0.015744 809.00 0.90 0.015618 810.00 0.89 0.015494 811.00 0.89 0.015372 812.00 0.88 0.015252 813.00 0.87 0.015134 814.00 0.83 0.013992 815.00 0.76 0.012948 816.00 0.69 0.011994 817.00 0.63 0.011122 818.00 0.58 0.010324 819.00 0.53 0.009595 820.00 0.48 0.008929 821.00 0.44 0.008320 822.00 0.40 0.007763 823.00 0.37 0.007254 824.00 0.34 0.006789 825.00 0.31 0.006363 826.00 0.28 0.005975 827.00 0.26 0.005619 828.00 0.24 0.005294 829.00 0.22 0.004997 830.00 0.20 0.004726 831.00 0.18 0.004477 832.00 0.16 0.004251 833.00 0.15 0.004043 834.00 0.14 0.003853 835.00 0.13 0.003680 836.00 0.12 0.003522 Page 99 of 335 837.00 0.11 0.003377 838.00 0.10 0.003244 839.00 0.09 0.003123 840.00 0.08 0.003013 841.00 0.07 0.002912 842.00 0.07 0.002819 843.00 0.06 0.002735 844.00 0.06 0.002657 845.00 0.05 0.002587 846.00 0.05 0.002522 847.00 0.04 0.002463 848.00 0.04 0.002409 849.00 0.04 0.002360 850.00 0.03 0.002315 851.00 0.03 0.002273 852.00 0.03 0.002236 853.00 0.03 0.002201 854.00 0.02 0.002170 855.00 0.02 0.002141 856.00 0.02 0.002115 857.00 0.02 0.002091 858.00 0.02 0.002069 859.00 0.01 0.002049 860.00 0.01 0.002030 861.00 0.01 0.002013 862.00 0.01 0.001998 863.00 0.01 0.001984 864.00 0.01 0.001971 865.00 0.01 0.001959 866.00 0.01 0.001949 867.00 0.01 0.001939 868.00 0.01 0.001930 869.00 0.01 0.001922 870.00 0.01 0.001914 871.00 0.00 0.001907 872.00 0.00 0.001901 Page 100 of 335 Page 101 0 Detention Basin Analysis: Basin #6 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.04 4.00 0.09 5.00 0.14 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 15.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 102 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.04 3.15 4.00 0.09 11.76 5.00 0.14 61.72 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 34.964 cfs, Time to Peak: 713.00 (min), Total Inflow Volume: 54038.37 ft^3 Time (min) Discharge cfs 614.00 0.45 615.00 0.45 616.00 0.46 617.00 0.47 618.00 0.47 619.00 0.48 620.00 0.49 621.00 0.49 622.00 0.50 623.00 0.51 624.00 0.52 625.00 0.53 626.00 0.53 627.00 0.54 628.00 0.55 629.00 0.56 630.00 0.56 631.00 0.57 632.00 0.58 633.00 0.59 634.00 0.60 635.00 0.61 636.00 0.61 637.00 0.63 638.00 0.64 639.00 0.65 640.00 0.66 641.00 0.67 642.00 0.68 643.00 0.69 644.00 0.71 645.00 0.72 646.00 0.73 Page 103 of 335 647.00 0.73 648.00 0.74 649.00 0.75 650.00 0.77 651.00 0.78 652.00 0.80 653.00 0.81 654.00 0.82 655.00 0.83 656.00 0.85 657.00 0.85 658.00 0.87 659.00 0.89 660.00 0.90 661.00 0.92 662.00 0.94 663.00 0.96 664.00 0.98 665.00 1.00 666.00 1.02 667.00 1.04 668.00 1.07 669.00 1.10 670.00 1.15 671.00 1.18 672.00 1.20 673.00 1.24 674.00 1.27 675.00 1.31 676.00 1.34 677.00 1.37 678.00 1.40 679.00 1.44 680.00 1.48 681.00 1.51 682.00 1.55 683.00 1.59 684.00 1.62 685.00 1.66 686.00 1.71 687.00 1.75 688.00 1.79 689.00 1.82 690.00 1.86 691.00 2.12 692.00 2.44 693.00 2.75 694.00 3.06 695.00 3.33 696.00 3.57 Page 104 of 335 697.00 4.34 698.00 5.25 699.00 6.07 700.00 6.94 701.00 7.74 702.00 8.41 703.00 9.58 704.00 11.14 705.00 13.03 706.00 14.55 707.00 15.51 708.00 16.37 709.00 20.24 710.00 24.16 711.00 28.08 712.00 31.17 713.00 34.96 714.00 34.89 715.00 32.73 716.00 32.76 717.00 31.24 718.00 29.50 719.00 28.30 720.00 28.15 721.00 23.75 722.00 19.32 723.00 15.40 724.00 12.49 725.00 10.35 726.00 8.92 727.00 7.78 728.00 6.93 729.00 6.40 730.00 6.01 731.00 5.71 732.00 5.55 733.00 5.34 734.00 5.18 735.00 5.04 736.00 4.92 737.00 4.81 738.00 4.71 739.00 4.57 740.00 4.43 741.00 4.30 742.00 4.17 743.00 4.06 744.00 4.00 745.00 3.85 746.00 3.72 Page 105 of 335 747.00 3.58 748.00 3.46 749.00 3.36 750.00 3.29 751.00 3.18 752.00 3.08 753.00 2.98 754.00 2.91 755.00 2.85 756.00 2.79 757.00 2.74 758.00 2.68 759.00 2.64 760.00 2.60 761.00 2.58 762.00 2.56 763.00 2.52 764.00 2.49 765.00 2.46 766.00 2.43 767.00 2.41 768.00 2.39 769.00 2.36 770.00 2.33 771.00 2.30 772.00 2.27 773.00 2.25 774.00 2.23 775.00 2.20 776.00 2.17 777.00 2.14 778.00 2.12 779.00 2.09 780.00 2.07 781.00 2.05 782.00 2.02 783.00 2.00 784.00 1.97 785.00 1.96 786.00 1.95 787.00 1.92 788.00 1.91 789.00 1.88 790.00 1.87 791.00 1.85 792.00 1.84 793.00 1.82 794.00 1.81 795.00 1.79 796.00 1.78 Page 106 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 1.77 1.75 1.74 1.72 1.71 1.69 1.68 1.67 1.65 1.64 1.62 1.61 1.59 1.58 1.57 1.55 1.54 Routed Hydrograph Peak Outflow Discharge: 34.437 cfs, Time to Peak: 714.00 (min), Total Outflow Volume: 54926.70 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.05 0.000587 616.00 0.09 0.001123 617.00 0.13 0.001613 618.00 0.16 0.002061 619.00 0.19 0.002472 620.00 0.22 0.002851 621.00 0.25 0.003200 622.00 0.28 0.003524 623.00 0.30 0.003824 624.00 0.32 0.004101 625.00 0.34 0.004358 626.00 0.36 0.004601 627.00 0.38 0.004828 628.00 0.40 0.005042 629.00 0.41 0.005244 630.00 0.43 0.005434 631.00 0.44 0.005615 632.00 0.46 0.005790 633.00 0.47 0.005959 634.00 0.48 0.006122 635.00 0.49 0.006280 636.00 0.51 0.006431 Page 107 of 335 637.00 0.52 0.006579 638.00 0.53 0.006729 639.00 0.54 0.006877 640.00 0.55 0.007025 641.00 0.57 0.007172 642.00 0.58 0.007317 643.00 0.59 0.007464 644.00 0.60 0.007614 645.00 0.61 0.007763 646.00 0.62 0.007913 647.00 0.63 0.008050 648.00 0.64 0.008184 649.00 0.66 0.008320 650.00 0.67 0.008462 651.00 0.68 0.008606 652.00 0.69 0.008752 653.00 0.70 0.008899 654.00 0.71 0.009042 655.00 0.72 0.009193 656.00 0.74 0.009347 657.00 0.75 0.009495 658.00 0.76 0.009649 659.00 0.77 0.009810 660.00 0.78 0.009971 661.00 0.80 0.010140 662.00 0.81 0.010319 663.00 0.83 0.010506 664.00 0.84 0.010697 665.00 0.86 0.010893 666.00 0.87 0.011094 667.00 0.89 0.011310 668.00 0.91 0.011541 669.00 0.92 0.011788 670.00 0.95 0.012071 671.00 0.97 0.012360 672.00 0.99 0.012650 673.00 1.01 0.012957 674.00 1.04 0.013280 675.00 1.06 0.013614 676.00 1.09 0.013957 677.00 1.12 0.014302 678.00 1.15 0.014648 679.00 1.17 0.015011 680.00 1.20 0.015388 681.00 1.23 0.015777 682.00 1.26 0.016174 683.00 1.30 0.016574 684.00 1.33 0.016975 685.00 1.36 0.017393 686.00 1.39 0.017825 Page 108 of 335 687.00 1.43 0.018268 688.00 1.46 0.018717 689.00 1.50 0.019167 690.00 1.53 0.019612 691.00 1.58 0.020359 692.00 1.65 0.021443 693.00 1.75 0.022822 694.00 1.87 0.024459 695.00 2.00 0.026292 696.00 2.15 0.028248 697.00 2.34 0.031003 698.00 2.59 0.034660 699.00 2.91 0.039012 700.00 3.41 0.043868 701.00 4.24 0.048686 702.00 5.06 0.053304 703.00 5.89 0.058390 704.00 6.84 0.064312 705.00 7.95 0.071305 706.00 9.19 0.078695 707.00 10.43 0.085700 708.00 11.60 0.092270 709.00 16.60 0.097285 710.00 21.16 0.101406 711.00 25.20 0.105373 712.00 28.81 0.108623 713.00 32.28 0.112320 714.00 34.44 0.112942 715.00 33.93 0.112185 716.00 32.97 0.111907 717.00 32.18 0.110610 718.00 30.70 0.108961 719.00 29.23 0.107669 720.00 28.41 0.107311 721.00 26.40 0.104655 722.00 22.43 0.100681 723.00 18.30 0.096693 724.00 14.75 0.093581 725.00 12.04 0.091260 726.00 11.32 0.087951 727.00 10.69 0.083932 728.00 9.98 0.079727 729.00 9.28 0.075755 730.00 8.63 0.072143 731.00 8.04 0.068938 732.00 7.53 0.066206 733.00 7.09 0.063804 734.00 6.70 0.061713 735.00 6.36 0.059883 736.00 6.07 0.058297 Page 109 of 335 737.00 5.81 0.056910 738.00 5.59 0.055702 739.00 5.39 0.054577 740.00 5.20 0.053510 741.00 5.02 0.052517 742.00 4.86 0.051571 743.00 4.70 0.050689 744.00 4.56 0.049927 745.00 4.42 0.049132 746.00 4.29 0.048352 747.00 4.15 0.047561 748.00 4.02 0.046789 749.00 3.89 0.046065 750.00 3.77 0.045408 751.00 3.66 0.044750 752.00 3.54 0.044110 753.00 3.44 0.043478 754.00 3.33 0.042902 755.00 3.24 0.042364 756.00 3.15 0.041872 757.00 3.11 0.041359 758.00 3.07 0.040828 759.00 3.03 0.040296 760.00 2.99 0.039773 761.00 2.94 0.039267 762.00 2.91 0.038784 763.00 2.87 0.038306 764.00 2.83 0.037836 765.00 2.79 0.037375 766.00 2.76 0.036926 767.00 2.72 0.036493 768.00 2.69 0.036080 769.00 2.66 0.035666 770.00 2.62 0.035255 771.00 2.59 0.034848 772.00 2.56 0.034451 773.00 2.53 0.034068 774.00 2.50 0.033700 775.00 2.47 0.033327 776.00 2.44 0.032951 777.00 2.41 0.032578 778.00 2.38 0.032208 779.00 2.35 0.031848 780.00 2.33 0.031501 781.00 2.30 0.031153 782.00 2.27 0.030808 783.00 2.24 0.030467 784.00 2.22 0.030130 785.00 2.19 0.029805 786.00 2.17 0.029499 Page 110 of 335 787.00 2.14 0.029197 788.00 2.12 0.028902 789.00 2.10 0.028608 790.00 2.07 0.028323 791.00 2.05 0.028051 792.00 2.03 0.027792 793.00 2.01 0.027536 794.00 1.99 0.027285 795.00 1.97 0.027038 796.00 1.95 0.026799 797.00 1.93 0.026569 798.00 1.92 0.026348 799.00 1.90 0.026127 800.00 1.88 0.025907 801.00 1.86 0.025690 802.00 1.85 0.025477 803.00 1.83 0.025270 804.00 1.81 0.025070 805.00 1.80 0.024869 806.00 1.78 0.024666 807.00 1.77 0.024464 808.00 1.75 0.024265 809.00 1.74 0.024071 810.00 1.72 0.023884 811.00 1.71 0.023695 812.00 1.69 0.023504 813.00 1.68 0.023315 814.00 1.58 0.021136 815.00 1.42 0.019181 816.00 1.27 0.017427 817.00 1.14 0.015854 818.00 1.02 0.014443 819.00 0.92 0.013177 820.00 0.82 0.012042 821.00 0.74 0.011023 822.00 0.66 0.010109 823.00 0.60 0.009289 824.00 0.53 0.008554 825.00 0.48 0.007894 826.00 0.43 0.007302 827.00 0.39 0.006772 828.00 0.35 0.006295 829.00 0.31 0.005868 830.00 0.28 0.005485 831.00 0.25 0.005141 832.00 0.22 0.004833 833.00 0.20 0.004556 834.00 0.18 0.004308 835.00 0.16 0.004085 836.00 0.14 0.003885 Page 111 of 335 837.00 0.13 0.003706 838.00 0.12 0.003546 839.00 0.10 0.003401 840.00 0.09 0.003272 841.00 0.08 0.003156 842.00 0.08 0.003052 843.00 0.07 0.002959 844.00 0.06 0.002875 845.00 0.05 0.002800 846.00 0.05 0.002732 847.00 0.04 0.002672 848.00 0.04 0.002618 849.00 0.04 0.002569 850.00 0.03 0.002525 851.00 0.03 0.002486 852.00 0.03 0.002451 853.00 0.02 0.002419 854.00 0.02 0.002391 855.00 0.02 0.002366 856.00 0.02 0.002343 Page 112 of 335 2 Detention Basin Analysis: Basin #7 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 15.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 114 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.07 11.76 5.00 0.10 61.72 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge:17.038 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 25497.15 ft^3 Time (min) Discharge cfs 614.00 0.22 615.00 0.22 616.00 0.23 617.00 0.23 618.00 0.23 619.00 0.23 620.00 0.24 621.00 0.24 622.00 0.25 623.00 0.25 624.00 0.25 625.00 0.26 626.00 0.26 627.00 0.27 628.00 0.27 629.00 0.28 630.00 0.28 631.00 0.28 632.00 0.29 633.00 0.29 634.00 0.30 635.00 0.30 636.00 0.31 637.00 0.31 638.00 0.32 639.00 0.32 640.00 0.33 641.00 0.34 642.00 0.34 643.00 0.35 644.00 0.35 645.00 0.36 646.00 0.37 Page 115 of 335 647.00 0.37 648.00 0.38 649.00 0.39 650.00 0.39 651.00 0.40 652.00 0.41 653.00 0.41 654.00 0.42 655.00 0.43 656.00 0.44 657.00 0.45 658.00 0.45 659.00 0.46 660.00 0.47 661.00 0.47 662.00 0.49 663.00 0.50 664.00 0.51 665.00 0.52 666.00 0.53 667.00 0.54 668.00 0.56 669.00 0.57 670.00 0.59 671.00 0.60 672.00 0.61 673.00 0.63 674.00 0.65 675.00 0.66 676.00 0.68 677.00 0.69 678.00 0.71 679.00 0.73 680.00 0.74 681.00 0.76 682.00 0.78 683.00 0.80 684.00 0.81 685.00 0.83 686.00 0.85 687.00 0.87 688.00 0.89 689.00 0.91 690.00 0.93 691.00 1.06 692.00 1.22 693.00 1.39 694.00 1.55 695.00 1.70 696.00 1.85 Page 116 of 335 697.00 2.28 698.00 2.77 699.00 3.22 700.00 3.61 701.00 4.00 702.00 4.29 703.00 5.07 704.00 5.78 705.00 6.48 706.00 7.12 707.00 7.73 708.00 8.12 709.00 10.16 710.00 12.11 711.00 13.91 712.00 15.37 713.00 15.97 714.00 17.04 715.00 15.47 716.00 15.05 717.00 14.24 718.00 13.71 719.00 13.42 720.00 13.32 721.00 10.51 722.00 8.29 723.00 6.63 724.00 5.49 725.00 4.47 726.00 3.81 727.00 3.34 728.00 2.99 729.00 2.74 730.00 2.59 731.00 2.49 732.00 2.43 733.00 2.35 734.00 2.27 735.00 2.21 736.00 2.17 737.00 2.13 738.00 2.10 739.00 2.04 740.00 1.98 741.00 1.92 742.00 1.87 743.00 1.83 744.00 1.79 745.00 1.73 746.00 1.67 Page 117 of 335 747.00 1.61 748.00 1.56 749.00 1.52 750.00 1.49 751.00 1.43 752.00 1.39 753.00 1.35 754.00 1.32 755.00 1.29 756.00 1.27 757.00 1.24 758.00 1.22 759.00 1.20 760.00 1.19 761.00 1.17 762.00 1.16 763.00 1.15 764.00 1.13 765.00 1.12 766.00 1.11 767.00 1.10 768.00 1.09 769.00 1.07 770.00 1.06 771.00 1.05 772.00 1.04 773.00 1.03 774.00 1.02 775.00 1.00 776.00 0.99 777.00 0.98 778.00 0.96 779.00 0.95 780.00 0.95 781.00 0.93 782.00 0.92 783.00 0.91 784.00 0.90 785.00 0.89 786.00 0.89 787.00 0.88 788.00 0.87 789.00 0.86 790.00 0.85 791.00 0.85 792.00 0.84 793.00 0.83 794.00 0.83 795.00 0.82 796.00 0.81 Page 118 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.81 0.80 0.80 0.79 0.78 0.77 0.77 0.76 0.76 0.75 0.74 0.73 0.73 0.72 0.72 0.71 0.70 Routed Hydrograph Peak Outflow Discharge: 16.781 cfs, Time to Peak: 714.00 (min), Total Outflow Volume: 26060.56 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.03 0.000282 616.00 0.06 0.000530 617.00 0.08 0.000750 618.00 0.10 0.000944 619.00 0.12 0.001117 620.00 0.13 0.001271 621.00 0.15 0.001410 622.00 0.16 0.001534 623.00 0.17 0.001647 624.00 0.18 0.001749 625.00 0.19 0.001843 626.00 0.20 0.001929 627.00 0.21 0.002009 628.00 0.22 0.002084 629.00 0.23 0.002153 630.00 0.23 0.002218 631.00 0.24 0.002280 632.00 0.25 0.002339 633.00 0.25 0.002397 634.00 0.26 0.002453 635.00 0.26 0.002507 636.00 0.27 0.002560 Page 119 of 335 637.00 0.27 0.002612 638.00 0.28 0.002665 639.00 0.29 0.002718 640.00 0.29 0.002770 641.00 0.30 0.002823 642.00 0.30 0.002876 643.00 0.31 0.002930 644.00 0.31 0.002984 645.00 0.32 0.003041 646.00 0.33 0.003098 647.00 0.33 0.003156 648.00 0.34 0.003213 649.00 0.34 0.003272 650.00 0.35 0.003333 651.00 0.36 0.003395 652.00 0.36 0.003457 653.00 0.37 0.003521 654.00 0.38 0.003583 655.00 0.38 0.003647 656.00 0.39 0.003713 657.00 0.40 0.003780 658.00 0.40 0.003847 659.00 0.41 0.003913 660.00 0.42 0.003978 661.00 0.42 0.004048 662.00 0.43 0.004123 663.00 0.44 0.004201 664.00 0.45 0.004282 665.00 0.46 0.004365 666.00 0.47 0.004448 667.00 0.47 0.004539 668.00 0.48 0.004638 669.00 0.50 0.004742 670.00 0.51 0.004851 671.00 0.52 0.004963 672.00 0.53 0.005073 673.00 0.54 0.005192 674.00 0.55 0.005317 675.00 0.57 0.005448 676.00 0.58 0.005582 677.00 0.60 0.005716 678.00 0.61 0.005851 679.00 0.62 0.005992 680.00 0.64 0.006137 681.00 0.66 0.006287 682.00 0.67 0.006438 683.00 0.69 0.006590 684.00 0.70 0.006740 685.00 0.72 0.006897 686.00 0.74 0.007059 Page 120 of 335 687.00 0.75 0.007224 688.00 0.77 0.007393 689.00 0.79 0.007561 690.00 0.81 0.007726 691.00 0.83 0.008048 692.00 0.87 0.008525 693.00 0.93 0.009153 694.00 1.00 0.009905 695.00 1.09 0.010754 696.00 1.18 0.011672 697.00 1.30 0.013022 698.00 1.46 0.014813 699.00 1.67 0.016944 700.00 1.91 0.019289 701.00 2.16 0.021817 702.00 2.43 0.024374 703.00 2.73 0.027592 704.00 3.10 0.031290 705.00 3.83 0.034942 706.00 4.60 0.038424 707.00 5.33 0.041729 708.00 6.00 0.044657 709.00 6.81 0.049278 710.00 7.93 0.055040 711.00 9.24 0.061474 712.00 10.63 0.067992 713.00 12.47 0.072811 714.00 16.78 0.073166 715.00 16.22 0.072677 716.00 15.20 0.072480 717.00 14.61 0.071972 718.00 13.93 0.071662 719.00 13.54 0.071501 720.00 13.36 0.071446 721.00 11.81 0.070032 722.00 11.15 0.067162 723.00 10.20 0.062734 724.00 9.13 0.057769 725.00 8.06 0.052830 726.00 7.05 0.048378 727.00 6.15 0.044509 728.00 5.38 0.041212 729.00 4.73 0.038469 730.00 4.20 0.036255 731.00 3.77 0.034498 732.00 3.43 0.033121 733.00 3.16 0.031996 734.00 3.04 0.030938 735.00 2.93 0.029947 736.00 2.83 0.029031 Page 121 of 335 737.00 2.74 0.028189 738.00 2.66 0.027426 739.00 2.58 0.026680 740.00 2.50 0.025959 741.00 2.43 0.025266 742.00 2.36 0.024602 743.00 2.29 0.023970 744.00 2.22 0.023380 745.00 2.16 0.022787 746.00 2.10 0.022191 747.00 2.04 0.021603 748.00 1.98 0.021032 749.00 1.92 0.020484 750.00 1.86 0.019966 751.00 1.81 0.019452 752.00 1.75 0.018953 753.00 1.70 0.018470 754.00 1.65 0.018010 755.00 1.61 0.017575 756.00 1.56 0.017170 757.00 1.52 0.016785 758.00 1.48 0.016425 759.00 1.44 0.016090 760.00 1.41 0.015779 761.00 1.38 0.015495 762.00 1.35 0.015237 763.00 1.32 0.014994 764.00 1.30 0.014765 765.00 1.28 0.014550 766.00 1.25 0.014348 767.00 1.23 0.014161 768.00 1.22 0.013989 769.00 1.20 0.013821 770.00 1.18 0.013657 771.00 1.16 0.013500 772.00 1.15 0.013350 773.00 1.13 0.013207 774.00 1.12 0.013072 775.00 1.10 0.012936 776.00 1.09 0.012800 777.00 1.07 0.012665 778.00 1.06 0.012534 779.00 1.05 0.012408 780.00 1.03 0.012287 781.00 1.02 0.012166 782.00 1.01 0.012046 783.00 1.00 0.011929 784.00 0.98 0.011816 785.00 0.97 0.011707 786.00 0.96 0.011605 Page 122 of 335 787.00 0.95 0.011504 788.00 0.94 0.011405 789.00 0.93 0.011311 790.00 0.92 0.011220 791.00 0.91 0.011134 792.00 0.90 0.011053 793.00 0.89 0.010973 794.00 0.88 0.010893 795.00 0.88 0.010815 796.00 0.87 0.010740 797.00 0.86 0.010667 798.00 0.85 0.010597 799.00 0.85 0.010527 800.00 0.84 0.010456 801.00 0.83 0.010386 802.00 0.82 0.010317 803.00 0.82 0.010250 804.00 0.81 0.010185 805.00 0.80 0.010119 806.00 0.80 0.010053 807.00 0.79 0.009987 808.00 0.78 0.009921 809.00 0.78 0.009857 810.00 0.77 0.009795 811.00 0.76 0.009733 812.00 0.76 0.009670 813.00 0.75 0.009607 814.00 0.70 0.008649 815.00 0.60 0.007821 816.00 0.52 0.007104 817.00 0.45 0.006484 818.00 0.39 0.005948 819.00 0.34 0.005483 820.00 0.29 0.005082 821.00 0.25 0.004735 822.00 0.22 0.004434 823.00 0.19 0.004175 824.00 0.16 0.003950 825.00 0.14 0.003755 826.00 0.12 0.003587 827.00 0.11 0.003442 828.00 0.09 0.003316 829.00 0.08 0.003207 830.00 0.07 0.003113 831.00 0.06 0.003031 832.00 0.05 0.002961 833.00 0.04 0.002900 834.00 0.04 0.002847 835.00 0.03 0.002801 836.00 0.03 0.002762 Page 123 of 335 837.00 0.02 0.002728 838.00 0.02 0.002698 839.00 0.02 0.002672 840.00 0.02 0.002650 841.00 0.01 0.002631 842.00 0.01 0.002615 843.00 0.01 0.002600 844.00 0.01 0.002588 845.00 0.01 0.002577 Page 124 of 335 f 335 Detention Basin Analysis: Basin #8 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 16.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 126 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 10.89 5.00 0.10 63.81 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 5.132 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 10319.43 ft^3 Time (min) Discharge cfs 614.00 0.11 615.00 0.11 616.00 0.12 617.00 0.12 618.00 0.12 619.00 0.12 620.00 0.12 621.00 0.12 622.00 0.13 623.00 0.13 624.00 0.13 625.00 0.13 626.00 0.13 627.00 0.14 628.00 0.14 629.00 0.14 630.00 0.14 631.00 0.14 632.00 0.15 633.00 0.15 634.00 0.15 635.00 0.15 636.00 0.15 637.00 0.16 638.00 0.16 639.00 0.16 640.00 0.17 641.00 0.17 642.00 0.17 643.00 0.18 644.00 0.18 645.00 0.18 646.00 0.19 Page 127 of 335 647.00 0.19 648.00 0.19 649.00 0.20 650.00 0.20 651.00 0.20 652.00 0.21 653.00 0.21 654.00 0.21 655.00 0.21 656.00 0.22 657.00 0.22 658.00 0.23 659.00 0.23 660.00 0.23 661.00 0.24 662.00 0.24 663.00 0.25 664.00 0.25 665.00 0.26 666.00 0.26 667.00 0.27 668.00 0.28 669.00 0.29 670.00 0.29 671.00 0.30 672.00 0.31 673.00 0.31 674.00 0.32 675.00 0.33 676.00 0.34 677.00 0.35 678.00 0.35 679.00 0.36 680.00 0.37 681.00 0.38 682.00 0.39 683.00 0.40 684.00 0.40 685.00 0.41 686.00 0.42 687.00 0.43 688.00 0.45 689.00 0.45 690.00 0.46 691.00 0.53 692.00 0.65 693.00 0.76 694.00 0.86 695.00 0.93 696.00 0.97 Page 128 of 335 697.00 1.18 698.00 1.46 699.00 1.73 700.00 1.92 701.00 2.05 702.00 2.10 703.00 2.54 704.00 2.82 705.00 2.98 706.00 3.26 707.00 3.28 708.00 3.37 709.00 4.12 710.00 4.52 711.00 4.83 712.00 5.03 713.00 5.09 714.00 5.13 715.00 4.78 716.00 4.55 717.00 4.48 718.00 4.35 719.00 4.44 720.00 4.34 721.00 3.53 722.00 2.93 723.00 2.37 724.00 2.02 725.00 1.69 726.00 1.50 727.00 1.36 728.00 1.27 729.00 1.21 730.00 1.17 731.00 1.15 732.00 1.13 733.00 1.10 734.00 1.06 735.00 1.03 736.00 1.00 737.00 0.99 738.00 0.98 739.00 0.95 740.00 0.91 741.00 0.88 742.00 0.85 743.00 0.84 744.00 0.83 745.00 0.80 746.00 0.76 Page 129 of 335 747.00 0.73 748.00 0.71 749.00 0.69 750.00 0.68 751.00 0.66 752.00 0.64 753.00 0.62 754.00 0.60 755.00 0.59 756.00 0.58 757.00 0.57 758.00 0.56 759.00 0.55 760.00 0.55 761.00 0.54 762.00 0.54 763.00 0.54 764.00 0.53 765.00 0.52 766.00 0.51 767.00 0.51 768.00 0.51 769.00 0.50 770.00 0.49 771.00 0.48 772.00 0.48 773.00 0.47 774.00 0.47 775.00 0.47 776.00 0.46 777.00 0.45 778.00 0.45 779.00 0.44 780.00 0.44 781.00 0.43 782.00 0.43 783.00 0.42 784.00 0.42 785.00 0.41 786.00 0.41 787.00 0.41 788.00 0.40 789.00 0.40 790.00 0.40 791.00 0.39 792.00 0.39 793.00 0.39 794.00 0.38 795.00 0.38 796.00 0.38 Page 130 of 335 797.00 0.37 798.00 0.37 799.00 0.37 800.00 0.37 801.00 0.36 802.00 0.36 803.00 0.36 804.00 0.35 805.00 0.35 806.00 0.35 807.00 0.34 808.00 0.34 809.00 0.34 810.00 0.34 811.00 0.33 812.00 0.33 813.00 0.33 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 4.454 cfs, Time to Peak: 717.00 (min), Total Outflow Volume: 10566.42 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000147 616.00 0.02 0.000279 617.00 0.04 0.000399 618.00 0.04 0.000507 619.00 0.05 0.000605 620.00 0.06 0.000694 621.00 0.07 0.000776 622.00 0.08 0.000850 623.00 0.08 0.000919 624.00 0.09 0.000982 625.00 0.09 0.001040 626.00 0.10 0.001093 627.00 0.10 0.001143 628.00 0.11 0.001190 629.00 0.11 0.001234 630.00 0.11 0.001276 631.00 0.12 0.001315 632.00 0.12 0.001353 633.00 0.12 0.001389 634.00 0.13 0.001425 635.00 0.13 0.001460 636.00 0.13 0.001493 Page 131 of 335 637.00 0.13 0.001525 638.00 0.14 0.001558 639.00 0.14 0.001590 640.00 0.14 0.001625 641.00 0.15 0.001657 642.00 0.15 0.001690 643.00 0.15 0.001723 644.00 0.15 0.001756 645.00 0.16 0.001791 646.00 0.16 0.001825 647.00 0.16 0.001860 648.00 0.17 0.001894 649.00 0.17 0.001929 650.00 0.17 0.001963 651.00 0.18 0.001998 652.00 0.18 0.002035 653.00 0.18 0.002071 654.00 0.19 0.002106 655.00 0.19 0.002142 656.00 0.19 0.002179 657.00 0.20 0.002216 658.00 0.20 0.002255 659.00 0.20 0.002294 660.00 0.21 0.002330 661.00 0.21 0.002368 662.00 0.21 0.002409 663.00 0.22 0.002454 664.00 0.22 0.002501 665.00 0.22 0.002549 666.00 0.23 0.002597 667.00 0.23 0.002647 668.00 0.24 0.002701 669.00 0.24 0.002761 670.00 0.25 0.002825 671.00 0.25 0.002890 672.00 0.26 0.002954 673.00 0.27 0.003021 674.00 0.27 0.003092 675.00 0.28 0.003168 676.00 0.28 0.003246 677.00 0.29 0.003324 678.00 0.30 0.003400 679.00 0.30 0.003477 680.00 0.31 0.003559 681.00 0.32 0.003644 682.00 0.33 0.003731 683.00 0.33 0.003816 684.00 0.34 0.003901 685.00 0.35 0.003988 686.00 0.36 0.004079 Page 132 of 335 687.00 0.37 0.004175 688.00 0.37 0.004273 689.00 0.38 0.004369 690.00 0.39 0.004463 691.00 0.40 0.004632 692.00 0.42 0.004942 693.00 0.46 0.005358 694.00 0.50 0.005856 695.00 0.54 0.006385 696.00 0.59 0.006911 697.00 0.64 0.007655 698.00 0.72 0.008674 699.00 0.82 0.009923 700.00 0.94 0.011279 701.00 1.06 0.012649 702.00 1.17 0.013926 703.00 1.31 0.015632 704.00 1.46 0.017505 705.00 1.63 0.019372 706.00 1.80 0.021382 707.00 1.97 0.023192 708.00 2.12 0.024908 709.00 2.31 0.027401 710.00 2.54 0.030123 711.00 2.94 0.032723 712.00 3.44 0.034919 713.00 3.84 0.036640 714.00 4.16 0.037984 715.00 4.36 0.038573 716.00 4.43 0.038738 717.00 4.45 0.038771 718.00 4.44 0.038724 719.00 4.43 0.038737 720.00 4.42 0.038628 721.00 4.30 0.038031 722.00 4.04 0.036738 723.00 3.69 0.035068 724.00 3.32 0.033282 725.00 2.96 0.031539 726.00 2.63 0.029983 727.00 2.50 0.028420 728.00 2.36 0.026921 729.00 2.23 0.025515 730.00 2.11 0.024220 731.00 2.00 0.023043 732.00 1.91 0.021979 733.00 1.82 0.020992 734.00 1.73 0.020066 735.00 1.65 0.019204 736.00 1.58 0.018409 Page 133 of 335 737.00 1.51 0.017684 738.00 1.45 0.017031 739.00 1.40 0.016414 740.00 1.34 0.015816 741.00 1.29 0.015249 742.00 1.24 0.014715 743.00 1.20 0.014221 744.00 1.15 0.013773 745.00 1.12 0.013340 746.00 1.08 0.012907 747.00 1.04 0.012484 748.00 1.00 0.012077 749.00 0.97 0.011693 750.00 0.94 0.011339 751.00 0.91 0.011004 752.00 0.88 0.010674 753.00 0.85 0.010357 754.00 0.82 0.010054 755.00 0.79 0.009771 756.00 0.77 0.009511 757.00 0.75 0.009270 758.00 0.73 0.009043 759.00 0.71 0.008831 760.00 0.69 0.008635 761.00 0.67 0.008455 762.00 0.66 0.008293 763.00 0.64 0.008142 764.00 0.63 0.007996 765.00 0.62 0.007858 766.00 0.61 0.007728 767.00 0.60 0.007608 768.00 0.59 0.007498 769.00 0.58 0.007394 770.00 0.57 0.007290 771.00 0.56 0.007189 772.00 0.55 0.007091 773.00 0.54 0.007000 774.00 0.53 0.006916 775.00 0.53 0.006835 776.00 0.52 0.006751 777.00 0.51 0.006667 778.00 0.50 0.006585 779.00 0.50 0.006508 780.00 0.49 0.006435 781.00 0.48 0.006364 782.00 0.48 0.006294 783.00 0.47 0.006224 784.00 0.47 0.006155 785.00 0.46 0.006091 786.00 0.45 0.006031 Page 134 of 335 787.00 0.45 0.005973 788.00 0.44 0.005916 789.00 0.44 0.005860 790.00 0.43 0.005806 791.00 0.43 0.005756 792.00 0.43 0.005708 793.00 0.42 0.005662 794.00 0.42 0.005616 795.00 0.41 0.005571 796.00 0.41 0.005526 797.00 0.41 0.005483 798.00 0.40 0.005444 799.00 0.40 0.005405 800.00 0.39 0.005365 801.00 0.39 0.005325 802.00 0.39 0.005284 803.00 0.38 0.005245 804.00 0.38 0.005208 805.00 0.38 0.005171 806.00 0.37 0.005134 807.00 0.37 0.005095 808.00 0.37 0.005057 809.00 0.36 0.005020 810.00 0.36 0.004984 811.00 0.36 0.004950 812.00 0.35 0.004914 813.00 0.35 0.004877 814.00 0.33 0.004423 815.00 0.29 0.004020 816.00 0.26 0.003664 817.00 0.23 0.003349 818.00 0.20 0.003069 819.00 0.18 0.002822 820.00 0.16 0.002603 821.00 0.14 0.002409 822.00 0.12 0.002237 823.00 0.11 0.002085 824.00 0.10 0.001951 825.00 0.09 0.001832 826.00 0.08 0.001726 827.00 0.07 0.001633 828.00 0.06 0.001550 829.00 0.05 0.001477 830.00 0.05 0.001412 831.00 0.04 0.001354 832.00 0.04 0.001303 833.00 0.03 0.001258 834.00 0.03 0.001219 835.00 0.03 0.001183 836.00 0.02 0.001152 Page 135 of 335 837.00 0.02 0.001124 838.00 0.02 0.001100 839.00 0.02 0.001078 840.00 0.01 0.001059 841.00 0.01 0.001042 842.00 0.01 0.001027 843.00 0.01 0.001014 844.00 0.01 0.001002 845.00 0.01 0.000991 846.00 0.01 0.000982 847.00 0.01 0.000974 848.00 0.01 0.000967 849.00 0.00 0.000960 850.00 0.00 0.000955 851.00 0.00 0.000949 852.00 0.00 0.000945 853.00 0.00 0.000941 854.00 0.00 0.000938 Page 136 of 335 137 of 335 Detention Basin Analysis: Basin #9 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 16.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 138 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 10.89 5.00 0.10 63.81 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge:1.626 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 3724.59 ft^ 3 Time (min) Discharge cfs 614.00 0.04 615.00 0.04 616.00 0.04 617.00 0.04 618.00 0.04 619.00 0.04 620.00 0.05 621.00 US 622.00 0.05 623.00 0.05 624.00 0.05 625.00 0.05 626.00 0.05 627.00 0.05 628.00 0.05 629.00 0.05 630.00 0.05 631.00 0.05 632.00 0.06 633.00 0.06 634.00 0.06 635.00 0.06 636.00 0.06 637.00 0.06 638.00 0.06 639.00 0.06 640.00 0.06 641.00 0.06 642.00 0.07 643.00 0.07 644.00 0.07 645.00 0.07 646.00 0.07 Page 139 of 335 647.00 0.07 648.00 0.07 649.00 0.07 650.00 0.07 651.00 0.08 652.00 0.08 653.00 0.08 654.00 0.08 655.00 0.08 656.00 0.08 657.00 0.08 658.00 0.09 659.00 0.09 660.00 0.09 661.00 0.09 662.00 0.09 663.00 0.09 664.00 0.10 665.00 0.10 666.00 0.10 667.00 0.10 668.00 0.10 669.00 0.11 670.00 0.11 671.00 0.11 672.00 0.11 673.00 0.12 674.00 0.12 675.00 0.12 676.00 0.13 677.00 0.13 678.00 0.13 679.00 0.14 680.00 0.14 681.00 0.14 682.00 0.15 683.00 0.15 684.00 0.15 685.00 0.15 686.00 0.16 687.00 0.16 688.00 0.17 689.00 0.17 690.00 0.17 691.00 0.19 692.00 0.23 693.00 0.29 694.00 0.33 695.00 0.35 696.00 0.37 Page 140 of 335 697.00 0.43 698.00 0.57 699.00 0.66 700.00 0.72 701.00 0.76 702.00 0.80 703.00 0.92 704.00 1.12 705.00 1.18 706.00 1.24 707.00 1.26 708.00 1.28 709.00 1.46 710.00 1.57 711.00 1.58 712.00 1.60 713.00 1.62 714.00 1.63 715.00 1.52 716.00 1.47 717.00 1.48 718.00 1.47 719.00 1.47 720.00 1.47 721.00 1.26 722.00 1.11 723.00 0.89 724.00 0.69 725.00 0.60 726.00 0.53 727.00 0.49 728.00 0.46 729.00 0.44 730.00 0.43 731.00 0.42 732.00 0.42 733.00 0.41 734.00 0.39 735.00 0.38 736.00 0.38 737.00 0.37 738.00 0.37 739.00 0.36 740.00 0.34 741.00 0.33 742.00 0.32 743.00 0.32 744.00 0.31 745.00 0.30 746.00 0.29 Page 141 of 335 747.00 0.27 748.00 0.27 749.00 0.26 750.00 0.26 751.00 0.25 752.00 0.24 753.00 0.23 754.00 0.23 755.00 0.22 756.00 0.22 757.00 0.22 758.00 0.21 759.00 0.21 760.00 0.21 761.00 0.21 762.00 0.21 763.00 0.20 764.00 0.20 765.00 0.20 766.00 0.20 767.00 0.19 768.00 0.19 769.00 0.19 770.00 0.19 771.00 0.19 772.00 0.18 773.00 0.18 774.00 0.18 775.00 0.18 776.00 0.18 777.00 0.17 778.00 0.17 779.00 0.17 780.00 0.17 781.00 0.17 782.00 0.16 783.00 0.16 784.00 0.16 785.00 0.16 786.00 0.16 787.00 0.16 788.00 0.15 789.00 0.15 790.00 0.15 791.00 0.15 792.00 0.15 793.00 0.15 794.00 0.15 795.00 0.15 796.00 0.14 Page 142 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.12 Routed Hydrograph Peak Outflow Discharge: 1.352 cfs, Time to Peak: 721.00 (min), Total Outflow Volume: 3817.66 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000055 616.00 0.01 0.000105 617.00 0.01 0.000149 618.00 0.02 0.000190 619.00 0.02 0.000227 620.00 0.02 0.000260 621.00 0.03 0.000290 622.00 0.03 0.000318 623.00 0.03 0.000343 624.00 0.03 0.000367 625.00 0.03 0.000389 626.00 0.04 0.000408 627.00 0.04 0.000427 628.00 0.04 0.000445 629.00 0.04 0.000462 630.00 0.04 0.000477 631.00 0.04 0.000492 632.00 0.04 0.000506 633.00 0.05 0.000520 634.00 0.05 0.000534 635.00 0.05 0.000547 636.00 0.05 0.000560 Page 143 of 335 637.00 0.05 0.000572 638.00 0.05 0.000584 639.00 0.05 0.000595 640.00 0.05 0.000608 641.00 0.05 0.000621 642.00 0.06 0.000634 643.00 0.06 0.000646 644.00 0.06 0.000658 645.00 0.06 0.000670 646.00 0.06 0.000683 647.00 0.06 0.000696 648.00 0.06 0.000709 649.00 0.06 0.000722 650.00 0.06 0.000735 651.00 0.07 0.000748 652.00 0.07 0.000762 653.00 0.07 0.000775 654.00 0.07 0.000788 655.00 0.07 0.000801 656.00 0.07 0.000815 657.00 0.07 0.000829 658.00 0.07 0.000844 659.00 0.08 0.000858 660.00 0.08 0.000872 661.00 0.08 0.000887 662.00 0.08 0.000902 663.00 0.08 0.000917 664.00 0.08 0.000935 665.00 0.08 0.000952 666.00 0.09 0.000969 667.00 0.09 0.000987 668.00 0.09 0.001007 669.00 0.09 0.001029 670.00 0.09 0.001052 671.00 0.09 0.001075 672.00 0.10 0.001099 673.00 0.10 0.001123 674.00 0.10 0.001149 675.00 0.10 0.001177 676.00 0.11 0.001206 677.00 0.11 0.001236 678.00 0.11 0.001265 679.00 0.11 0.001295 680.00 0.12 0.001325 681.00 0.12 0.001357 682.00 0.12 0.001390 683.00 0.12 0.001424 684.00 0.13 0.001456 685.00 0.13 0.001489 686.00 0.13 0.001523 Page 144 of 335 687.00 0.14 0.001559 688.00 0.14 0.001597 689.00 0.14 0.001634 690.00 0.15 0.001669 691.00 0.15 0.001724 692.00 0.16 0.001822 693.00 0.17 0.001990 694.00 0.18 0.002189 695.00 0.20 0.002396 696.00 0.22 0.002598 697.00 0.24 0.002862 698.00 0.27 0.003269 699.00 0.31 0.003750 700.00 0.35 0.004250 701.00 0.40 0.004753 702.00 0.44 0.005243 703.00 0.49 0.005835 704.00 0.55 0.006622 705.00 0.62 0.007400 706.00 0.69 0.008164 707.00 0.75 0.008868 708.00 0.81 0.009511 709.00 0.88 0.010316 710.00 0.95 0.011168 711.00 1.02 0.011940 712.00 1.09 0.012655 713.00 1.15 0.013308 714.00 1.20 0.013894 715.00 1.24 0.014275 716.00 1.27 0.014545 717.00 1.30 0.014799 718.00 1.32 0.015016 719.00 1.33 0.015206 720.00 1.35 0.015376 721.00 1.35 0.015321 722.00 1.33 0.015107 723.00 1.30 0.014676 724.00 1.24 0.014023 725.00 1.17 0.013252 726.00 1.10 0.012471 727.00 1.03 0.011730 728.00 0.97 0.011034 729.00 0.91 0.010390 730.00 0.86 0.009806 731.00 0.81 0.009279 732.00 0.76 0.008809 733.00 0.72 0.008380 734.00 0.69 0.007977 735.00 0.65 0.007604 736.00 0.62 0.007265 Page 145 of 335 737.00 0.59 0.006958 738.00 0.57 0.006683 739.00 0.54 0.006427 740.00 0.52 0.006178 741.00 0.50 0.005940 742.00 0.48 0.005720 743.00 0.46 0.005520 744.00 0.44 0.005339 745.00 0.43 0.005169 746.00 0.41 0.004996 747.00 0.40 0.004824 748.00 0.38 0.004661 749.00 0.37 0.004510 750.00 0.36 0.004372 751.00 0.35 0.004242 752.00 0.33 0.004114 753.00 0.32 0.003988 754.00 0.31 0.003871 755.00 0.30 0.003762 756.00 0.29 0.003664 757.00 0.28 0.003572 758.00 0.28 0.003487 759.00 0.27 0.003407 760.00 0.26 0.003332 761.00 0.26 0.003264 762.00 0.25 0.003203 763.00 0.25 0.003146 764.00 0.24 0.003092 765.00 0.24 0.003040 766.00 0.23 0.002991 767.00 0.23 0.002946 768.00 0.22 0.002904 769.00 0.22 0.002865 770.00 0.22 0.002826 771.00 0.21 0.002789 772.00 0.21 0.002752 773.00 0.21 0.002717 774.00 0.20 0.002685 775.00 0.20 0.002653 776.00 0.20 0.002623 777.00 0.20 0.002593 778.00 0.19 0.002561 779.00 0.19 0.002533 780.00 0.19 0.002505 781.00 0.19 0.002478 782.00 0.18 0.002453 783.00 0.18 0.002426 784.00 0.18 0.002400 785.00 0.18 0.002375 786.00 0.17 0.002352 Page 146 of 335 787.00 0.17 0.002330 788.00 0.17 0.002309 789.00 0.17 0.002288 790.00 0.17 0.002267 791.00 0.16 0.002247 792.00 0.16 0.002230 793.00 0.16 0.002213 794.00 0.16 0.002196 795.00 0.16 0.002179 796.00 0.16 0.002163 797.00 0.16 0.002147 798.00 0.15 0.002132 799.00 0.15 0.002117 800.00 0.15 0.002102 801.00 0.15 0.002087 802.00 0.15 0.002071 803.00 0.15 0.002055 804.00 0.15 0.002042 805.00 0.14 0.002028 806.00 0.14 0.002014 807.00 0.14 0.002000 808.00 0.14 0.001985 809.00 0.14 0.001970 810.00 0.14 0.001957 811.00 0.14 0.001944 812.00 0.14 0.001932 813.00 0.13 0.001918 814.00 0.13 0.001743 815.00 0.11 0.001589 816.00 0.10 0.001452 817.00 0.09 0.001331 818.00 0.08 0.001224 819.00 0.07 0.001129 820.00 0.06 0.001045 821.00 0.05 0.000970 822.00 0.05 0.000904 823.00 0.04 0.000846 824.00 0.04 0.000794 825.00 0.03 0.000748 826.00 0.03 0.000708 827.00 0.03 0.000672 828.00 0.02 0.000640 829.00 0.02 0.000612 830.00 0.02 0.000587 831.00 0.02 0.000565 832.00 0.01 0.000546 833.00 0.01 0.000528 834.00 0.01 0.000513 835.00 0.01 0.000500 836.00 0.01 0.000488 Page 147 of 335 837.00 0.01 0.000477 838.00 0.01 0.000468 839.00 0.01 0.000459 840.00 0.01 0.000452 841.00 0.00 0.000445 842.00 0.00 0.000440 843.00 0.00 0.000434 844.00 0.00 0.000430 845.00 0.00 0.000426 846.00 0.00 0.000422 847.00 0.00 0.000419 848.00 0.00 0.000416 849.00 0.00 0.000414 850.00 0.00 0.000412 851.00 0.00 0.000410 852.00 0.00 0.000408 853.00 0.00 0.000407 854.00 0.00 0.000405 855.00 0.00 0.000404 856.00 0.00 0.000403 Page 148 of 335 V9 of 335 Detention Basin Analysis: Basin #10 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 9.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 150 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.07 11.76 5.00 0.10 43.12 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 5.517 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 8297.07 ft^ 3 Time (min) Discharge cfs 614.00 0.08 615.00 0.08 616.00 0.08 617.00 0.08 618.00 0.08 619.00 0.08 620.00 0.09 621.00 0.09 622.00 0.09 623.00 0.09 624.00 0.09 625.00 0.09 626.00 0.09 627.00 0.09 628.00 0.10 629.00 0.10 630.00 0.10 631.00 0.10 632.00 0.10 633.00 0.10 634.00 0.10 635.00 0.11 636.00 0.11 637.00 0.11 638.00 0.11 639.00 0.11 640.00 0.12 641.00 0.12 642.00 0.12 643.00 0.12 644.00 0.12 645.00 0.13 646.00 0.13 Page 151 of 335 647.00 0.13 648.00 0.13 649.00 0.13 650.00 0.14 651.00 0.14 652.00 0.14 653.00 0.14 654.00 0.14 655.00 0.15 656.00 0.15 657.00 0.15 658.00 0.15 659.00 0.16 660.00 0.16 661.00 0.16 662.00 0.17 663.00 0.17 664.00 0.17 665.00 0.18 666.00 0.18 667.00 0.18 668.00 0.19 669.00 0.20 670.00 0.20 671.00 0.20 672.00 0.21 673.00 0.21 674.00 0.22 675.00 0.23 676.00 0.23 677.00 0.24 678.00 0.24 679.00 0.25 680.00 0.26 681.00 0.26 682.00 0.27 683.00 0.27 684.00 0.28 685.00 0.28 686.00 0.29 687.00 0.30 688.00 0.30 689.00 0.31 690.00 0.31 691.00 0.36 692.00 0.46 693.00 0.49 694.00 0.56 695.00 0.61 696.00 0.65 Page 152 of 335 697.00 0.78 698.00 0.98 699.00 1.12 700.00 1.25 701.00 1.35 702.00 1.41 703.00 1.65 704.00 1.93 705.00 2.20 706.00 2.47 707.00 2.65 708.00 2.74 709.00 3.44 710.00 4.19 711.00 4.76 712.00 5.14 713.00 5.38 714.00 5.52 715.00 5.07 716.00 4.66 717.00 4.42 718.00 4.29 719.00 4.24 720.00 4.24 721.00 3.31 722.00 2.44 723.00 1.87 724.00 1.54 725.00 1.27 726.00 1.12 727.00 1.01 728.00 0.92 729.00 0.87 730.00 0.84 731.00 0.81 732.00 0.80 733.00 0.77 734.00 0.73 735.00 0.71 736.00 0.69 737.00 0.68 738.00 0.67 739.00 0.65 740.00 0.62 741.00 0.60 742.00 0.59 743.00 0.58 744.00 0.57 745.00 0.55 746.00 0.53 Page 153 of 335 747.00 0.51 748.00 0.49 749.00 0.48 750.00 0.47 751.00 0.47 752.00 0.44 753.00 0.43 754.00 0.41 755.00 0.41 756.00 0.40 757.00 0.39 758.00 0.39 759.00 0.38 760.00 0.38 761.00 0.37 762.00 0.37 763.00 0.37 764.00 0.36 765.00 0.36 766.00 0.35 767.00 0.35 768.00 0.35 769.00 0.35 770.00 0.34 771.00 0.34 772.00 0.33 773.00 0.33 774.00 0.33 775.00 0.32 776.00 0.32 777.00 0.31 778.00 0.31 779.00 0.31 780.00 0.30 781.00 0.30 782.00 0.30 783.00 0.29 784.00 0.29 785.00 0.29 786.00 0.28 787.00 0.28 788.00 0.28 789.00 0.28 790.00 0.27 791.00 0.27 792.00 0.27 793.00 0.27 794.00 0.27 795.00 0.26 796.00 0.26 Page 154 of 335 797.00 0.26 798.00 0.26 799.00 0.26 800.00 0.25 801.00 0.25 802.00 0.25 803.00 0.25 804.00 0.24 805.00 0.24 806.00 0.24 807.00 0.24 808.00 0.23 809.00 0.23 810.00 0.23 811.00 0.23 812.00 0.23 813.00 0.23 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 4.358 cfs, Time to Peak: 717.00 (min), Total Outflow Volume: 8499.13 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000101 616.00 0.02 0.000191 617.00 0.03 0.000270 618.00 0.04 0.000340 619.00 0.04 0.000401 620.00 0.05 0.000455 621.00 0.05 0.000504 622.00 0.06 0.000549 623.00 0.06 0.000588 624.00 0.07 0.000624 625.00 0.07 0.000657 626.00 0.07 0.000687 627.00 0.08 0.000714 628.00 0.08 0.000740 629.00 0.08 0.000764 630.00 0.08 0.000786 631.00 0.08 0.000807 632.00 0.09 0.000827 633.00 0.09 0.000847 634.00 0.09 0.000866 635.00 0.09 0.000885 636.00 0.09 0.000902 Page 155 of 335 637.00 0.10 0.000919 638.00 0.10 0.000937 639.00 0.10 0.000954 640.00 0.10 0.000972 641.00 0.10 0.000990 642.00 0.11 0.001008 643.00 0.11 0.001026 644.00 0.11 0.001045 645.00 0.11 0.001065 646.00 0.11 0.001084 647.00 0.12 0.001104 648.00 0.12 0.001123 649.00 0.12 0.001143 650.00 0.12 0.001162 651.00 0.12 0.001183 652.00 0.13 0.001203 653.00 0.13 0.001225 654.00 0.13 0.001244 655.00 0.13 0.001265 656.00 0.13 0.001286 657.00 0.14 0.001308 658.00 0.14 0.001330 659.00 0.14 0.001352 660.00 0.14 0.001373 661.00 0.15 0.001396 662.00 0.15 0.001421 663.00 0.15 0.001448 664.00 0.15 0.001475 665.00 0.16 0.001502 666.00 0.16 0.001529 667.00 0.16 0.001558 668.00 0.17 0.001591 669.00 0.17 0.001625 670.00 0.17 0.001662 671.00 0.18 0.001700 672.00 0.18 0.001737 673.00 0.19 0.001775 674.00 0.19 0.001817 675.00 0.19 0.001862 676.00 0.20 0.001908 677.00 0.20 0.001954 678.00 0.21 0.001998 679.00 0.21 0.002045 680.00 0.22 0.002095 681.00 0.22 0.002148 682.00 0.23 0.002201 683.00 0.23 0.002254 684.00 0.24 0.002304 685.00 0.25 0.002356 686.00 0.25 0.002411 Page 156 of 335 687.00 0.26 0.002467 688.00 0.26 0.002525 689.00 0.27 0.002581 690.00 0.27 0.002635 691.00 0.28 0.002738 692.00 0.30 0.002957 693.00 0.32 0.003192 694.00 0.35 0.003474 695.00 0.38 0.003785 696.00 0.42 0.004106 697.00 0.46 0.004557 698.00 0.51 0.005195 699.00 0.59 0.005935 700.00 0.67 0.006742 701.00 0.75 0.007561 702.00 0.84 0.008355 703.00 0.93 0.009351 704.00 1.05 0.010567 705.00 1.18 0.011966 706.00 1.34 0.013525 707.00 1.50 0.015107 708.00 1.67 0.016592 709.00 1.86 0.018776 710.00 2.12 0.021627 711.00 2.44 0.024817 712.00 2.78 0.028075 713.00 3.11 0.031196 714.00 3.68 0.033723 715.00 4.10 0.035056 716.00 4.29 0.035552 717.00 4.36 0.035644 718.00 4.36 0.035606 719.00 4.33 0.035497 720.00 4.31 0.035397 721.00 4.17 0.034739 722.00 3.84 0.033180 723.00 3.40 0.031163 724.00 3.05 0.029083 725.00 2.83 0.026953 726.00 2.61 0.024904 727.00 2.40 0.022981 728.00 2.21 0.021210 729.00 2.03 0.019609 730.00 1.87 0.018182 731.00 1.73 0.016920 732.00 1.61 0.015808 733.00 1.50 0.014815 734.00 1.40 0.013905 735.00 1.30 0.013085 736.00 1.22 0.012352 Page 157 of 335 737.00 1.15 0.011703 738.00 1.09 0.011128 739.00 1.03 0.010604 740.00 0.98 0.010119 741.00 0.93 0.009674 742.00 0.88 0.009271 743.00 0.84 0.008906 744.00 0.81 0.008579 745.00 0.77 0.008272 746.00 0.74 0.007977 747.00 0.71 0.007697 748.00 0.68 0.007435 749.00 0.66 0.007193 750.00 0.63 0.006971 751.00 0.61 0.006779 752.00 0.59 0.006576 753.00 0.57 0.006381 754.00 0.55 0.006198 755.00 0.53 0.006029 756.00 0.51 0.005874 757.00 0.50 0.005732 758.00 0.48 0.005599 759.00 0.47 0.005477 760.00 0.46 0.005366 761.00 0.45 0.005266 762.00 0.44 0.005176 763.00 0.43 0.005093 764.00 0.42 0.005015 765.00 0.41 0.004941 766.00 0.40 0.004874 767.00 0.40 0.004815 768.00 0.39 0.004760 769.00 0.38 0.004707 770.00 0.38 0.004655 771.00 0.37 0.004604 772.00 0.37 0.004556 773.00 0.36 0.004509 774.00 0.36 0.004466 775.00 0.35 0.004423 776.00 0.35 0.004380 777.00 0.34 0.004336 778.00 0.34 0.004293 779.00 0.34 0.004252 780.00 0.33 0.004213 781.00 0.33 0.004175 782.00 0.32 0.004137 783.00 0.32 0.004099 784.00 0.32 0.004062 785.00 0.31 0.004027 786.00 0.31 0.003993 Page 158 of 335 787.00 0.30 0.003962 788.00 0.30 0.003930 789.00 0.30 0.003899 790.00 0.30 0.003870 791.00 0.29 0.003842 792.00 0.29 0.003817 793.00 0.29 0.003792 794.00 0.28 0.003766 795.00 0.28 0.003741 796.00 0.28 0.003716 797.00 0.28 0.003693 798.00 0.27 0.003671 799.00 0.27 0.003648 800.00 0.27 0.003626 801.00 0.27 0.003603 802.00 0.26 0.003581 803.00 0.26 0.003559 804.00 0.26 0.003539 805.00 0.26 0.003518 806.00 0.26 0.003497 807.00 0.25 0.003475 808.00 0.25 0.003453 809.00 0.25 0.003433 810.00 0.25 0.003413 811.00 0.24 0.003393 812.00 0.24 0.003373 813.00 0.24 0.003352 814.00 0.22 0.003045 815.00 0.19 0.002779 816.00 0.17 0.002550 817.00 0.14 0.002351 818.00 0.12 0.002179 819.00 0.11 0.002030 820.00 0.09 0.001901 821.00 0.08 0.001790 822.00 0.07 0.001694 823.00 0.06 0.001610 824.00 0.05 0.001538 825.00 0.05 0.001476 826.00 0.04 0.001422 827.00 0.03 0.001375 828.00 0.03 0.001335 829.00 0.03 0.001300 830.00 0.02 0.001270 831.00 0.02 0.001244 832.00 0.02 0.001221 833.00 0.01 0.001201 834.00 0.01 0.001184 835.00 0.01 0.001170 836.00 0.01 0.001157 Page 159 of 335 837.00 0.01 0.001146 838.00 0.01 0.001137 839.00 0.01 0.001129 840.00 0.01 0.001121 841.00 0.00 0.001115 842.00 0.00 0.001110 843.00 0.00 0.001105 844.00 0.00 0.001101 845.00 0.00 0.001098 Page 160 of 335 Page 1 of 335 Detention Basin Analysis: Basin #11 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 9.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 162 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.07 11.76 5.00 0.10 43.12 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 0.269 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 427.53 ft^ 3 Time (min) Discharge cfs 614.00 0.01 615.00 0.01 616.00 0.01 617.00 0.01 618.00 0.01 619.00 0.01 620.00 0.01 621.00 0.01 622.00 0.01 623.00 0.01 624.00 0.01 625.00 0.01 626.00 0.01 627.00 0.01 628.00 0.01 629.00 0.01 630.00 0.01 631.00 0.01 632.00 0.01 633.00 0.01 634.00 0.01 635.00 0.01 636.00 0.01 637.00 0.01 638.00 0.01 639.00 0.01 640.00 0.01 641.00 0.01 642.00 0.01 643.00 0.01 644.00 0.01 645.00 0.01 646.00 0.01 Page 163 of 335 647.00 0.01 648.00 0.01 649.00 0.01 650.00 0.01 651.00 0.01 652.00 0.01 653.00 0.01 654.00 0.01 655.00 0.01 656.00 0.01 657.00 0.01 658.00 0.01 659.00 0.01 660.00 0.01 661.00 0.01 662.00 0.01 663.00 0.01 664.00 0.01 665.00 0.01 666.00 0.01 667.00 0.01 668.00 0.01 669.00 0.01 670.00 0.01 671.00 0.01 672.00 0.01 673.00 0.01 674.00 0.01 675.00 0.01 676.00 0.02 677.00 0.02 678.00 0.02 679.00 0.02 680.00 0.02 681.00 0.02 682.00 0.02 683.00 0.02 684.00 0.02 685.00 0.02 686.00 0.02 687.00 0.02 688.00 0.02 689.00 0.02 690.00 0.02 691.00 0.03 692.00 0.03 693.00 0.04 694.00 0.04 695.00 0.04 696.00 0.04 Page 164 of 335 697.00 0.06 698.00 0.07 699.00 0.08 700.00 0.08 701.00 0.08 702.00 0.08 703.00 0.12 704.00 0.13 705.00 0.13 706.00 0.13 707.00 0.13 708.00 0.14 709.00 0.22 710.00 0.24 711.00 0.25 712.00 0.26 713.00 0.27 714.00 0.27 715.00 0.20 716.00 0.19 717.00 0.19 718.00 0.19 719.00 0.19 720.00 0.19 721.00 0.08 722.00 0.06 723.00 0.05 724.00 0.05 725.00 0.04 726.00 0.04 727.00 0.04 728.00 0.04 729.00 0.04 730.00 0.04 731.00 0.03 732.00 0.04 733.00 0.04 734.00 0.04 735.00 0.04 736.00 0.04 737.00 0.04 738.00 0.04 739.00 0.03 740.00 0.03 741.00 0.03 742.00 0.03 743.00 0.03 744.00 0.03 745.00 0.03 746.00 0.03 Page 165 of 335 747.00 0.03 748.00 0.03 749.00 0.03 750.00 0.03 751.00 0.02 752.00 0.02 753.00 0.02 754.00 0.02 755.00 0.02 756.00 0.02 757.00 0.02 758.00 0.02 759.00 0.02 760.00 0.02 761.00 0.02 762.00 0.02 763.00 0.02 764.00 0.02 765.00 0.02 766.00 0.02 767.00 0.02 768.00 0.02 769.00 0.02 770.00 0.02 771.00 0.02 772.00 0.02 773.00 0.02 774.00 0.02 775.00 0.02 776.00 0.02 777.00 0.02 778.00 0.02 779.00 0.02 780.00 0.02 781.00 0.02 782.00 0.02 783.00 0.02 784.00 0.02 785.00 0.02 786.00 0.02 787.00 0.02 788.00 0.01 789.00 0.01 790.00 0.01 791.00 0.01 792.00 0.01 793.00 0.01 794.00 0.01 795.00 0.01 796.00 0.01 Page 166 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.01 0.01 0.01 0.01 0.02 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Routed Hydrograph Peak Outflow Discharge: 0.191 cis, Time to Peak: 720.00 (min), Total Outflow Volume: 440.32 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000006 616.00 0.00 0.000013 617.00 0.00 0.000019 618.00 0.00 0.000024 619.00 0.00 0.000028 620.00 0.00 0.000032 621.00 0.00 0.000036 622.00 0.00 0.000038 623.00 0.00 0.000041 624.00 0.00 0.000043 625.00 0.00 0.000045 626.00 0.00 0.000047 627.00 0.01 0.000048 628.00 0.01 0.000049 629.00 0.01 0.000050 630.00 0.01 0.000051 631.00 0.01 0.000053 632.00 0.01 0.000055 633.00 0.01 0.000057 634.00 0.01 0.000058 635.00 0.01 0.000059 636.00 0.01 0.000060 Page 167 of 335 637.00 0.01 0.000061 638.00 0.01 0.000062 639.00 0.01 0.000064 640.00 0.01 0.000065 641.00 0.01 0.000067 642.00 0.01 0.000068 643.00 0.01 0.000069 644.00 0.01 0.000070 645.00 0.01 0.000071 646.00 0.01 0.000073 647.00 0.01 0.000074 648.00 0.01 0.000076 649.00 0.01 0.000077 650.00 0.01 0.000079 651.00 0.01 0.000083 652.00 0.01 0.000086 653.00 0.01 0.000088 654.00 0.01 0.000090 655.00 0.01 0.000092 656.00 0.01 0.000094 657.00 0.01 0.000095 658.00 0.01 0.000096 659.00 0.01 0.000096 660.00 0.01 0.000096 661.00 0.01 0.000097 662.00 0.01 0.000098 663.00 0.01 0.000099 664.00 0.01 0.000100 665.00 0.01 0.000100 666.00 0.01 0.000101 667.00 0.01 0.000103 668.00 0.01 0.000104 669.00 0.01 0.000107 670.00 0.01 0.000109 671.00 0.01 0.000111 672.00 0.01 0.000113 673.00 0.01 0.000116 674.00 0.01 0.000119 675.00 0.01 0.000122 676.00 0.01 0.000126 677.00 0.01 0.000130 678.00 0.01 0.000133 679.00 0.01 0.000137 680.00 0.01 0.000140 681.00 0.01 0.000144 682.00 0.02 0.000148 683.00 0.02 0.000151 684.00 0.02 0.000154 685.00 0.02 0.000158 686.00 0.02 0.000161 Page 168 of 335 687.00 0.02 0.000163 688.00 0.02 0.000166 689.00 0.02 0.000168 690.00 0.02 0.000170 691.00 0.02 0.000184 692.00 0.02 0.000203 693.00 0.02 0.000223 694.00 0.02 0.000243 695.00 0.03 0.000260 696.00 0.03 0.000277 697.00 0.03 0.000318 698.00 0.04 0.000365 699.00 0.04 0.000413 700.00 0.05 0.000458 701.00 0.05 0.000497 702.00 0.05 0.000533 703.00 0.06 0.000609 704.00 0.07 0.000690 705.00 0.08 0.000764 706.00 0.08 0.000830 707.00 0.09 0.000890 708.00 0.10 0.000945 709.00 0.11 0.001097 710.00 0.12 0.001260 711.00 0.14 0.001414 712.00 0.16 0.001556 713.00 0.17 0.001686 714.00 0.18 0.001804 715.00 0.19 0.001819 716.00 0.19 0.001819 717.00 0.19 0.001819 718.00 0.19 0.001819 719.00 0.19 0.001820 720.00 0.19 0.001824 721.00 0.18 0.001751 722.00 0.17 0.001602 723.00 0.15 0.001459 724.00 0.14 0.001333 725.00 0.13 0.001221 726.00 0.12 0.001124 727.00 0.11 0.001037 728.00 0.10 0.000960 729.00 0.09 0.000893 730.00 0.08 0.000833 731.00 0.08 0.000774 732.00 0.07 0.000726 733.00 0.07 0.000689 734.00 0.06 0.000654 735.00 0.06 0.000622 736.00 0.06 0.000594 Page 169 of 335 737.00 0.05 0.000571 738.00 0.05 0.000550 739.00 0.05 0.000529 740.00 0.05 0.000509 741.00 0.04 0.000490 742.00 0.04 0.000474 743.00 0.04 0.000460 744.00 0.04 0.000448 745.00 0.04 0.000434 746.00 0.04 0.000419 747.00 0.04 0.000411 748.00 0.03 0.000399 749.00 0.03 0.000388 750.00 0.03 0.000378 751.00 0.03 0.000368 752.00 0.03 0.000358 753.00 0.03 0.000348 754.00 0.03 0.000340 755.00 0.03 0.000332 756.00 0.03 0.000326 757.00 0.03 0.000319 758.00 0.03 0.000313 759.00 0.02 0.000308 760.00 0.02 0.000304 761.00 0.02 0.000300 762.00 0.02 0.000297 763.00 0.02 0.000293 764.00 0.02 0.000289 765.00 0.02 0.000286 766.00 0.02 0.000283 767.00 0.02 0.000280 768.00 0.02 0.000277 769.00 0.02 0.000274 770.00 0.02 0.000272 771.00 0.02 0.000268 772.00 0.02 0.000266 773.00 0.02 0.000263 774.00 0.02 0.000261 775.00 0.02 0.000259 776.00 0.02 0.000256 777.00 0.02 0.000254 778.00 0.02 0.000252 779.00 0.02 0.000250 780.00 0.02 0.000248 781.00 0.02 0.000247 782.00 0.02 0.000244 783.00 0.02 0.000242 784.00 0.02 0.000240 785.00 0.02 0.000239 786.00 0.02 0.000237 Page 170 of 335 787.00 0.02 0.000236 788.00 0.02 0.000234 789.00 0.02 0.000232 790.00 0.02 0.000230 791.00 0.02 0.000228 792.00 0.02 0.000227 793.00 0.02 0.000226 794.00 0.02 0.000225 795.00 0.02 0.000224 796.00 0.02 0.000223 797.00 0.02 0.000223 798.00 0.02 0.000222 799.00 0.02 0.000222 800.00 0.02 0.000221 801.00 0.02 0.000222 802.00 0.02 0.000222 803.00 0.02 0.000221 804.00 0.02 0.000221 805.00 0.02 0.000221 806.00 0.02 0.000220 807.00 0.02 0.000220 808.00 0.02 0.000220 809.00 0.02 0.000219 810.00 0.01 0.000217 811.00 0.01 0.000216 812.00 0.01 0.000215 813.00 0.01 0.000214 814.00 0.01 0.000196 815.00 0.01 0.000180 816.00 0.01 0.000166 817.00 0.01 0.000154 818.00 0.01 0.000143 819.00 0.01 0.000134 820.00 0.01 0.000126 821.00 0.00 0.000119 822.00 0.00 0.000114 823.00 0.00 0.000108 824.00 0.00 0.000104 825.00 0.00 0.000100 826.00 0.00 0.000097 827.00 0.00 0.000094 828.00 0.00 0.000092 829.00 0.00 0.000090 830.00 0.00 0.000088 831.00 0.00 0.000086 832.00 0.00 0.000085 833.00 0.00 0.000084 834.00 0.00 0.000083 835.00 0.00 0.000082 836.00 0.00 0.000081 Page 171 of 335 837.00 0.00 0.000080 838.00 0.00 0.000080 839.00 0.00 0.000079 840.00 0.00 0.000079 841.00 0.00 0.000078 842.00 0.00 0.000078 843.00 0.00 0.000078 844.00 0.00 0.000077 845.00 0.00 0.000077 846.00 0.00 0.000077 Channel Analysis: Basin #11 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.1500 ft/ft Manning's n: 0.0350 Flow 11.7600 cfs Result Parameters Depth 0.3871 ft Area of Flow 1.6109 ft^2 Wetted Perimeter 5.4483 ft Hydraulic Radius 0.2957 ft Average Velocity 7.3004 ft/s Top Width 5.3226 ft Fronde Number: 2.3386 Critical Depth 0.6293 ft Critical Velocity 3.8232 ft/s Critical Slope: 0.0242 ft/ft Page 172 of 335 Critical Top Width 6.78 ft Calculated Max Shear Stress 3.6233 lb/ft^2 Calculated Avg Shear Stress 2.7674 lb/ft^2 Channel Lining Analysis: Basin #11 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 Ib/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Safety Factor: 1.5 Page 173 of 335 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 2.76743 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 3.62331 lb/ft^2 Effective Shear Stress: 0.0308497 lb/ft^2 Permissible Shear Stress on RECP: 7.25961 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 The channel is stable Channel Summary Name of Selected Channel: Basin 411 Channel Analysls Page 174 of 335 F 75 of 335 0 Detention Basin Analysis: Basin #12 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.3300 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.3300 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 2.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 176 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.08 4.00 0.07 5.68 5.00 0.10 13.30 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 3.047 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 6246.39 ft^ 3 Time (min) Discharge cfs 614.00 0.08 615.00 0.08 616.00 0.08 617.00 0.08 618.00 0.08 619.00 0.08 620.00 0.08 621.00 0.09 622.00 0.09 623.00 0.09 624.00 0.09 625.00 0.09 626.00 0.09 627.00 0.09 628.00 0.09 629.00 0.10 630.00 0.10 631.00 0.10 632.00 0.10 633.00 0.10 634.00 0.10 635.00 0.10 636.00 0.10 637.00 0.11 638.00 0.11 639.00 0.11 640.00 0.11 641.00 0.12 642.00 0.12 643.00 0.12 644.00 0.12 645.00 0.12 646.00 0.12 Page 177 of 335 647.00 0.13 648.00 0.13 649.00 0.13 650.00 0.13 651.00 0.14 652.00 0.14 653.00 0.14 654.00 0.14 655.00 0.14 656.00 0.15 657.00 0.15 658.00 0.15 659.00 0.15 660.00 0.15 661.00 0.16 662.00 0.16 663.00 0.16 664.00 0.17 665.00 0.17 666.00 0.17 667.00 0.17 668.00 0.18 669.00 0.18 670.00 0.19 671.00 0.19 672.00 0.20 673.00 0.20 674.00 0.21 675.00 0.21 676.00 0.22 677.00 0.22 678.00 0.23 679.00 0.23 680.00 0.24 681.00 0.25 682.00 0.25 683.00 0.26 684.00 0.26 685.00 0.27 686.00 0.27 687.00 0.28 688.00 0.29 689.00 0.29 690.00 0.30 691.00 0.34 692.00 0.40 693.00 0.46 694.00 0.51 695.00 0.56 696.00 0.58 Page 178 of 335 697.00 0.70 698.00 0.84 699.00 0.97 700.00 1.05 701.00 1.11 702.00 1.15 703.00 1.33 704.00 1.54 705.00 1.69 706.00 1.79 707.00 1.86 708.00 1.91 709.00 2.36 710.00 2.69 711.00 2.85 712.00 2.94 713.00 3.00 714.00 3.05 715.00 2.82 716.00 2.67 717.00 2.61 718.00 2.60 719.00 2.58 720.00 2.59 721.00 2.04 722.00 1.63 723.00 1.33 724.00 1.14 725.00 1.01 726.00 0.93 727.00 0.85 728.00 0.79 729.00 0.75 730.00 0.72 731.00 0.70 732.00 0.69 733.00 0.67 734.00 0.65 735.00 0.63 736.00 0.62 737.00 0.61 738.00 0.60 739.00 0.58 740.00 0.57 741.00 0.55 742.00 0.54 743.00 0.53 744.00 0.52 745.00 0.51 746.00 0.49 Page 179 of 335 747.00 0.47 748.00 0.46 749.00 0.45 750.00 0.44 751.00 0.43 752.00 0.41 753.00 0.40 754.00 0.39 755.00 0.39 756.00 0.38 757.00 0.37 758.00 0.37 759.00 0.36 760.00 0.36 761.00 0.35 762.00 0.35 763.00 0.35 764.00 0.34 765.00 0.34 766.00 0.34 767.00 0.34 768.00 0.33 769.00 0.33 770.00 0.32 771.00 0.32 772.00 0.32 773.00 0.31 774.00 0.31 775.00 0.31 776.00 0.30 777.00 0.30 778.00 0.29 779.00 0.29 780.00 0.29 781.00 0.28 782.00 0.28 783.00 0.28 784.00 0.28 785.00 0.27 786.00 0.27 787.00 0.27 788.00 0.27 789.00 0.26 790.00 0.26 791.00 0.26 792.00 0.26 793.00 0.26 794.00 0.25 795.00 0.25 796.00 0.25 Page 180 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.25 0.25 0.24 0.24 0.24 0.24 0.23 0.23 0.23 0.23 0.23 0.23 0.22 0.22 0.22 0.22 0.22 Routed Hydrograph Peak Outflow Discharge: 2.221 cfs, Time to Peak: 721.00 (min), Total Outflow Volume: 6382.09 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000102 616.00 0.01 0.000196 617.00 0.02 0.000282 618.00 0.03 0.000363 619.00 0.03 0.000437 620.00 0.04 0.000506 621.00 0.04 0.000571 622.00 0.04 0.000631 623.00 0.05 0.000687 624.00 0.05 0.000740 625.00 0.05 0.000789 626.00 0.06 0.000836 627.00 0.06 0.000880 628.00 0.06 0.000922 629.00 0.07 0.000963 630.00 0.07 0.001000 631.00 0.07 0.001036 632.00 0.07 0.001071 633.00 0.08 0.001104 634.00 0.08 0.001137 635.00 0.08 0.001169 636.00 0.08 0.001200 Page 181 of 335 637.00 0.09 0.001230 638.00 0.09 0.001260 639.00 0.09 0.001289 640.00 0.09 0.001319 641.00 0.09 0.001349 642.00 0.10 0.001378 643.00 0.10 0.001406 644.00 0.10 0.001434 645.00 0.10 0.001463 646.00 0.10 0.001491 647.00 0.11 0.001520 648.00 0.11 0.001548 649.00 0.11 0.001577 650.00 0.11 0.001605 651.00 0.11 0.001635 652.00 0.12 0.001665 653.00 0.12 0.001695 654.00 0.12 0.001724 655.00 0.12 0.001754 656.00 0.12 0.001785 657.00 0.13 0.001815 658.00 0.13 0.001846 659.00 0.13 0.001876 660.00 0.13 0.001906 661.00 0.13 0.001938 662.00 0.14 0.001971 663.00 0.14 0.002006 664.00 0.14 0.002041 665.00 0.14 0.002075 666.00 0.15 0.002109 667.00 0.15 0.002146 668.00 0.15 0.002186 669.00 0.15 0.002228 670.00 0.16 0.002272 671.00 0.16 0.002318 672.00 0.16 0.002364 673.00 0.17 0.002413 674.00 0.17 0.002465 675.00 0.17 0.002521 676.00 0.18 0.002577 677.00 0.18 0.002636 678.00 0.19 0.002694 679.00 0.19 0.002755 680.00 0.19 0.002818 681.00 0.20 0.002884 682.00 0.20 0.002952 683.00 0.21 0.003019 684.00 0.21 0.003086 685.00 0.22 0.003156 686.00 0.22 0.003227 Page 182 of 335 687.00 0.23 0.003301 688.00 0.23 0.003376 689.00 0.24 0.003451 690.00 0.24 0.003526 691.00 0.25 0.003647 692.00 0.26 0.003834 693.00 0.28 0.004083 694.00 0.29 0.004385 695.00 0.32 0.004715 696.00 0.34 0.005052 697.00 0.37 0.005505 698.00 0.40 0.006105 699.00 0.45 0.006817 700.00 0.50 0.007576 701.00 0.55 0.008338 702.00 0.60 0.009084 703.00 0.66 0.010002 704.00 0.73 0.011117 705.00 0.81 0.012327 706.00 0.90 0.013555 707.00 0.98 0.014764 708.00 1.07 0.015931 709.00 1.16 0.017582 710.00 1.29 0.019514 711.00 1.42 0.021480 712.00 1.56 0.023392 713.00 1.69 0.025202 714.00 1.81 0.026910 715.00 1.91 0.028166 716.00 1.99 0.029106 717.00 2.05 0.029882 718.00 2.10 0.030563 719.00 2.16 0.031150 720.00 2.21 0.031674 721.00 2.22 0.031566 722.00 2.18 0.031070 723.00 2.10 0.030170 724.00 2.01 0.029042 725.00 1.93 0.027810 726.00 1.84 0.026549 727.00 1.75 0.025304 728.00 1.67 0.024097 729.00 1.59 0.022949 730.00 1.51 0.021868 731.00 1.44 0.020859 732.00 1.37 0.019924 733.00 1.31 0.019046 734.00 1.25 0.018217 735.00 1.19 0.017440 736.00 1.14 0.016717 Page 183 of 335 737.00 1.09 0.016049 738.00 1.05 0.015434 739.00 1.01 0.014852 740.00 0.97 0.014300 741.00 0.93 0.013777 742.00 0.89 0.013286 743.00 0.86 0.012828 744.00 0.83 0.012404 745.00 0.80 0.012000 746.00 0.77 0.011607 747.00 0.75 0.011226 748.00 0.72 0.010859 749.00 0.70 0.010512 750.00 0.67 0.010187 751.00 0.65 0.009878 752.00 0.63 0.009579 753.00 0.61 0.009292 754.00 0.59 0.009019 755.00 0.57 0.008762 756.00 0.56 0.008520 757.00 0.54 0.008293 758.00 0.52 0.008078 759.00 0.51 0.007875 760.00 0.50 0.007686 761.00 0.48 0.007509 762.00 0.47 0.007347 763.00 0.46 0.007193 764.00 0.45 0.007047 765.00 0.44 0.006909 766.00 0.43 0.006783 767.00 0.42 0.006662 768.00 0.41 0.006549 769.00 0.41 0.006441 770.00 0.40 0.006336 771.00 0.39 0.006235 772.00 0.39 0.006139 773.00 0.38 0.006047 774.00 0.37 0.005961 775.00 0.37 0.005877 776.00 0.36 0.005796 777.00 0.36 0.005716 778.00 0.35 0.005637 779.00 0.34 0.005562 780.00 0.34 0.005491 781.00 0.33 0.005423 782.00 0.33 0.005356 783.00 0.33 0.005290 784.00 0.32 0.005227 785.00 0.32 0.005166 786.00 0.31 0.005107 Page 184 of 335 787.00 0.31 0.005052 788.00 0.30 0.004997 789.00 0.30 0.004945 790.00 0.30 0.004895 791.00 0.29 0.004847 792.00 0.29 0.004800 793.00 0.29 0.004755 794.00 0.28 0.004712 795.00 0.28 0.004669 796.00 0.28 0.004627 797.00 0.28 0.004587 798.00 0.27 0.004550 799.00 0.27 0.004512 800.00 0.27 0.004475 801.00 0.27 0.004439 802.00 0.26 0.004403 803.00 0.26 0.004369 804.00 0.26 0.004335 805.00 0.26 0.004303 806.00 0.25 0.004269 807.00 0.25 0.004236 808.00 0.25 0.004203 809.00 0.25 0.004171 810.00 0.24 0.004140 811.00 0.24 0.004109 812.00 0.24 0.004079 813.00 0.24 0.004048 814.00 0.23 0.003737 815.00 0.21 0.003454 816.00 0.19 0.003196 817.00 0.17 0.002963 818.00 0.15 0.002750 819.00 0.14 0.002557 820.00 0.13 0.002381 821.00 0.12 0.002222 822.00 0.11 0.002077 823.00 0.10 0.001945 824.00 0.09 0.001825 825.00 0.08 0.001716 826.00 0.07 0.001617 827.00 0.07 0.001527 828.00 0.06 0.001446 829.00 0.05 0.001371 830.00 0.05 0.001304 831.00 0.04 0.001242 832.00 0.04 0.001187 833.00 0.04 0.001136 834.00 0.03 0.001090 835.00 0.03 0.001048 836.00 0.03 0.001010 Page 185 of 335 837.00 0.03 0.000975 838.00 0.02 0.000944 839.00 0.02 0.000915 840.00 0.02 0.000890 841.00 0.02 0.000866 842.00 0.02 0.000844 843.00 0.01 0.000825 844.00 0.01 0.000807 845.00 0.01 0.000791 846.00 0.01 0.000777 847.00 0.01 0.000763 848.00 0.01 0.000751 849.00 0.01 0.000740 850.00 0.01 0.000730 851.00 0.01 0.000721 852.00 0.01 0.000713 853.00 0.01 0.000705 854.00 0.00 0.000699 855.00 0.00 0.000692 856.00 0.00 0.000687 857.00 0.00 0.000682 858.00 0.00 0.000677 859.00 0.00 0.000673 860.00 0.00 0.000669 861.00 0.00 0.000665 862.00 0.00 0.000662 863.00 0.00 0.000659 864.00 0.00 0.000657 865.00 0.00 0.000654 866.00 0.00 0.000652 867.00 0.00 0.000650 Channel Analysis: Basin #12 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.2800 ft/ft Manning's n: 0.0350 Page 186 of 335 Flow 5.6800 cfs Result Parameters Depth 0.2166 ft Area of Flow 0.7907 ft^2 Wetted Perimeter 4.3702 ft Hydraulic Radius 0.1809 ft Average Velocity 7.1831 ft/s Top Width 4.2999 ft Fronde Number: 2.9518 Critical Depth 0.4157 ft Critical Velocity 3.2167 ft/s Critical Slope: 0.0269 ft/ft Critical Top Width 5.49 ft Calculated Max Shear Stress 3.7853 lb/ft^2 Calculated Avg Shear Stress 3.1614 lb/ft^2 Channel Lining Analysis: Basin #12 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 lb/ft^3 Page 187 of 335 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Safety Factor: 1 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 3.1614 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 3.78525 lb/ft^2 Effective Shear Stress: 0.0336838 lb/ft^2 Permissible Shear Stress on RECP: 7.25961 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 The channel is stable Channel Summary Name of Selected Channel: Basin 412 Channel Analys[s Page 188 of 335 G Detention Basin Analysis: Basin #13 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.8330 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 5.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 190 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 9.84 5.00 0.10 28.22 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 2.709 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 4182.15 ft^ 3 Time (min) Discharge cfs 614.00 0.04 615.00 0.04 616.00 0.04 617.00 0.04 618.00 0.04 619.00 0.05 620.00 0.05 621.00 US 622.00 0.05 623.00 0.05 624.00 0.05 625.00 0.05 626.00 0.05 627.00 0.05 628.00 0.05 629.00 0.05 630.00 0.05 631.00 0.05 632.00 0.06 633.00 0.06 634.00 0.06 635.00 0.06 636.00 0.06 637.00 0.06 638.00 0.06 639.00 0.06 640.00 0.06 641.00 0.06 642.00 0.06 643.00 0.07 644.00 0.07 645.00 0.07 646.00 0.07 Page 191 of 335 647.00 0.07 648.00 0.07 649.00 0.07 650.00 0.07 651.00 0.07 652.00 0.08 653.00 0.08 654.00 0.08 655.00 0.08 656.00 0.08 657.00 0.08 658.00 0.08 659.00 0.09 660.00 0.09 661.00 0.09 662.00 0.09 663.00 0.09 664.00 0.10 665.00 0.10 666.00 0.10 667.00 0.10 668.00 0.10 669.00 0.11 670.00 0.11 671.00 0.11 672.00 0.11 673.00 0.12 674.00 0.12 675.00 0.12 676.00 0.13 677.00 0.13 678.00 0.13 679.00 0.14 680.00 0.14 681.00 0.14 682.00 0.15 683.00 0.15 684.00 0.15 685.00 0.15 686.00 0.16 687.00 0.16 688.00 0.17 689.00 0.17 690.00 0.17 691.00 0.21 692.00 0.27 693.00 0.31 694.00 0.34 695.00 0.35 696.00 0.37 Page 192 of 335 697.00 0.48 698.00 0.60 699.00 0.69 700.00 0.74 701.00 0.78 702.00 0.80 703.00 0.98 704.00 1.15 705.00 1.25 706.00 1.31 707.00 1.35 708.00 1.38 709.00 1.81 710.00 2.19 711.00 2.40 712.00 2.51 713.00 2.62 714.00 2.71 715.00 2.43 716.00 2.23 717.00 2.11 718.00 2.04 719.00 2.01 720.00 2.00 721.00 1.39 722.00 0.94 723.00 0.69 724.00 0.58 725.00 0.51 726.00 0.48 727.00 0.45 728.00 0.43 729.00 0.42 730.00 0.41 731.00 0.40 732.00 0.40 733.00 0.39 734.00 0.37 735.00 0.36 736.00 0.35 737.00 0.35 738.00 0.35 739.00 0.33 740.00 0.32 741.00 0.31 742.00 0.30 743.00 0.30 744.00 0.30 745.00 0.28 746.00 0.27 Page 193 of 335 747.00 0.26 748.00 0.25 749.00 0.24 750.00 0.24 751.00 0.23 752.00 0.22 753.00 0.22 754.00 0.21 755.00 0.21 756.00 0.21 757.00 0.20 758.00 0.20 759.00 0.20 760.00 0.20 761.00 0.20 762.00 0.19 763.00 0.19 764.00 0.19 765.00 0.19 766.00 0.18 767.00 0.18 768.00 0.18 769.00 0.18 770.00 0.18 771.00 0.17 772.00 0.17 773.00 0.17 774.00 0.17 775.00 0.17 776.00 0.16 777.00 0.16 778.00 0.16 779.00 0.16 780.00 0.16 781.00 0.15 782.00 0.15 783.00 0.15 784.00 0.15 785.00 0.15 786.00 0.15 787.00 0.14 788.00 0.14 789.00 0.14 790.00 0.14 791.00 0.14 792.00 0.14 793.00 0.14 794.00 0.14 795.00 0.14 796.00 0.14 Page 194 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 Routed Hydrograph Peak Outflow Discharge: 1.898 cis, Time to Peak: 720.00 (min), Total Outflow Volume: 4275.74 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000056 616.00 0.01 0.000106 617.00 0.01 0.000152 618.00 0.02 0.000193 619.00 0.02 0.000230 620.00 0.02 0.000264 621.00 0.03 0.000295 622.00 0.03 0.000322 623.00 0.03 0.000348 624.00 0.03 0.000371 625.00 0.03 0.000393 626.00 0.04 0.000413 627.00 0.04 0.000432 628.00 0.04 0.000450 629.00 0.04 0.000466 630.00 0.04 0.000480 631.00 0.04 0.000495 632.00 0.04 0.000509 633.00 0.05 0.000523 634.00 0.05 0.000536 635.00 0.05 0.000549 636.00 0.05 0.000561 Page 195 of 335 637.00 0.05 0.000572 638.00 0.05 0.000584 639.00 0.05 0.000596 640.00 0.05 0.000607 641.00 0.05 0.000619 642.00 0.06 0.000630 643.00 0.06 0.000642 644.00 0.06 0.000655 645.00 0.06 0.000667 646.00 0.06 0.000680 647.00 0.06 0.000692 648.00 0.06 0.000704 649.00 0.06 0.000716 650.00 0.06 0.000730 651.00 0.07 0.000743 652.00 0.07 0.000757 653.00 0.07 0.000770 654.00 0.07 0.000782 655.00 0.07 0.000796 656.00 0.07 0.000810 657.00 0.07 0.000825 658.00 0.07 0.000839 659.00 0.08 0.000852 660.00 0.08 0.000866 661.00 0.08 0.000880 662.00 0.08 0.000897 663.00 0.08 0.000914 664.00 0.08 0.000932 665.00 0.08 0.000949 666.00 0.09 0.000967 667.00 0.09 0.000985 668.00 0.09 0.001007 669.00 0.09 0.001030 670.00 0.09 0.001054 671.00 0.09 0.001078 672.00 0.10 0.001102 673.00 0.10 0.001127 674.00 0.10 0.001154 675.00 0.10 0.001182 676.00 0.11 0.001211 677.00 0.11 0.001240 678.00 0.11 0.001268 679.00 0.11 0.001297 680.00 0.12 0.001328 681.00 0.12 0.001361 682.00 0.12 0.001394 683.00 0.12 0.001426 684.00 0.13 0.001457 685.00 0.13 0.001489 686.00 0.13 0.001524 Page 196 of 335 687.00 0.14 0.001561 688.00 0.14 0.001597 689.00 0.14 0.001631 690.00 0.15 0.001664 691.00 0.15 0.001750 692.00 0.16 0.001894 693.00 0.18 0.002077 694.00 0.19 0.002276 695.00 0.21 0.002476 696.00 0.23 0.002668 697.00 0.25 0.002980 698.00 0.28 0.003413 699.00 0.32 0.003918 700.00 0.37 0.004436 701.00 0.41 0.004936 702.00 0.46 0.005405 703.00 0.51 0.006056 704.00 0.57 0.006859 705.00 0.64 0.007701 706.00 0.72 0.008524 707.00 0.79 0.009301 708.00 0.85 0.010022 709.00 0.94 0.011221 710.00 1.06 0.012780 711.00 1.20 0.014425 712.00 1.34 0.016028 713.00 1.48 0.017598 714.00 1.62 0.019099 715.00 1.73 0.020064 716.00 1.80 0.020660 717.00 1.84 0.021028 718.00 1.87 0.021264 719.00 1.88 0.021435 720.00 1.90 0.021576 721.00 1.88 0.021251 722.00 1.79 0.020329 723.00 1.68 0.019054 724.00 1.56 0.017700 725.00 1.44 0.016410 726.00 1.34 0.015229 727.00 1.24 0.014150 728.00 1.14 0.013166 729.00 1.06 0.012276 730.00 0.99 0.011477 731.00 0.92 0.010764 732.00 0.86 0.010130 733.00 0.81 0.009550 734.00 0.76 0.009016 735.00 0.71 0.008528 736.00 0.67 0.008089 Page 197 of 335 737.00 0.64 0.007695 738.00 0.60 0.007345 739.00 0.57 0.007014 740.00 0.54 0.006704 741.00 0.52 0.006416 742.00 0.49 0.006151 743.00 0.47 0.005910 744.00 0.45 0.005696 745.00 0.43 0.005486 746.00 0.41 0.005281 747.00 0.40 0.005086 748.00 0.38 0.004903 749.00 0.37 0.004737 750.00 0.35 0.004586 751.00 0.34 0.004442 752.00 0.33 0.004302 753.00 0.31 0.004169 754.00 0.30 0.004045 755.00 0.29 0.003931 756.00 0.28 0.003829 757.00 0.27 0.003734 758.00 0.27 0.003645 759.00 0.26 0.003563 760.00 0.25 0.003488 761.00 0.24 0.003419 762.00 0.24 0.003358 763.00 0.23 0.003299 764.00 0.23 0.003249 765.00 0.22 0.003197 766.00 0.22 0.003148 767.00 0.22 0.003103 768.00 0.21 0.003062 769.00 0.21 0.003022 770.00 0.20 0.002982 771.00 0.20 0.002944 772.00 0.20 0.002907 773.00 0.19 0.002873 774.00 0.19 0.002841 775.00 0.19 0.002811 776.00 0.19 0.002779 777.00 0.18 0.002748 778.00 0.18 0.002718 779.00 0.18 0.002690 780.00 0.18 0.002664 781.00 0.17 0.002638 782.00 0.17 0.002612 783.00 0.17 0.002585 784.00 0.17 0.002561 785.00 0.16 0.002538 786.00 0.16 0.002516 Page 198 of 335 787.00 0.16 0.002495 788.00 0.16 0.002474 789.00 0.16 0.002453 790.00 0.16 0.002434 791.00 0.15 0.002415 792.00 0.15 0.002398 793.00 0.15 0.002382 794.00 0.15 0.002366 795.00 0.15 0.002349 796.00 0.15 0.002334 797.00 0.14 0.002319 798.00 0.14 0.002304 799.00 0.14 0.002290 800.00 0.14 0.002275 801.00 0.14 0.002260 802.00 0.14 0.002245 803.00 0.14 0.002231 804.00 0.14 0.002219 805.00 0.13 0.002205 806.00 0.13 0.002192 807.00 0.13 0.002177 808.00 0.13 0.002163 809.00 0.13 0.002150 810.00 0.13 0.002137 811.00 0.13 0.002125 812.00 0.13 0.002112 813.00 0.13 0.002099 814.00 0.12 0.001937 815.00 0.10 0.001793 816.00 0.09 0.001666 817.00 0.08 0.001553 818.00 0.07 0.001454 819.00 0.06 0.001366 820.00 0.06 0.001287 821.00 0.05 0.001218 822.00 0.04 0.001157 823.00 0.04 0.001103 824.00 0.03 0.001055 825.00 0.03 0.001012 826.00 0.03 0.000974 827.00 0.02 0.000941 828.00 0.02 0.000912 829.00 0.02 0.000885 830.00 0.02 0.000862 831.00 0.01 0.000842 832.00 0.01 0.000824 833.00 0.01 0.000808 834.00 0.01 0.000793 835.00 0.01 0.000781 836.00 0.01 0.000770 Page 199 of 335 837.00 0.01 0.000760 838.00 0.01 0.000751 839.00 0.01 0.000743 840.00 0.00 0.000736 841.00 0.00 0.000730 842.00 0.00 0.000725 843.00 0.00 0.000720 844.00 0.00 0.000716 845.00 0.00 0.000712 846.00 0.00 0.000709 847.00 0.00 0.000706 848.00 0.00 0.000703 849.00 0.00 0.000701 850.00 0.00 0.000699 851.00 0.00 0.000697 Page 200 of 335 Page of 335 Detention Basin Analysis: Basin #14 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.04 4.00 0.08 5.00 0.13 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.8330 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 24.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 202 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.04 5.25 4.00 0.08 15.40 5.00 0.13 93.81 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 48.774 cfs, Time to Peak: 718.00 (min), Total Inflow Volume: 95533.44 ft^3 Time (min) Discharge cfs 614.00 0.86 615.00 0.88 616.00 0.89 617.00 0.90 618.00 0.91 619.00 0.93 620.00 0.94 621.00 0.95 622.00 0.97 623.00 0.98 624.00 0.99 625.00 1.01 626.00 1.02 627.00 1.04 628.00 1.05 629.00 1.07 630.00 1.08 631.00 1.10 632.00 1.12 633.00 1.14 634.00 1.15 635.00 1.17 636.00 1.19 637.00 1.20 638.00 1.23 639.00 1.25 640.00 1.27 641.00 1.29 642.00 1.31 643.00 1.33 644.00 1.35 645.00 1.38 646.00 1.40 Page 203 of 335 647.00 1.42 648.00 1.44 649.00 1.47 650.00 1.49 651.00 1.52 652.00 1.54 653.00 1.56 654.00 1.59 655.00 1.62 656.00 1.64 657.00 1.67 658.00 1.70 659.00 1.73 660.00 1.74 661.00 1.79 662.00 1.82 663.00 1.85 664.00 1.90 665.00 1.92 666.00 1.95 667.00 2.00 668.00 2.17 669.00 2.35 670.00 2.43 671.00 2.26 672.00 2.10 673.00 2.23 674.00 2.49 675.00 2.17 676.00 2.50 677.00 2.49 678.00 2.26 679.00 2.72 680.00 2.35 681.00 2.82 682.00 2.49 683.00 2.97 684.00 2.60 685.00 3.14 686.00 2.71 687.00 3.22 688.00 2.80 689.00 3.42 690.00 3.61 691.00 3.15 692.00 4.45 693.00 3.81 694.00 4.93 695.00 4.81 696.00 4.75 Page 204 of 335 697.00 4.64 698.00 7.78 699.00 5.86 700.00 6.49 701.00 7.51 702.00 7.86 703.00 10.85 704.00 11.14 705.00 10.56 706.00 11.64 707.00 12.87 708.00 14.22 709.00 16.95 710.00 19.32 711.00 22.34 712.00 24.10 713.00 25.70 714.00 28.19 715.00 36.00 716.00 42.15 717.00 45.65 718.00 48.77 719.00 48.08 720.00 47.84 721.00 46.07 722.00 40.64 723.00 36.62 724.00 32.85 725.00 29.62 726.00 27.46 727.00 25.18 728.00 23.07 729.00 19.91 730.00 18.20 731.00 17.01 732.00 15.65 733.00 15.51 734.00 13.94 735.00 13.15 736.00 13.04 737.00 12.47 738.00 11.73 739.00 11.27 740.00 10.78 741.00 10.37 742.00 10.08 743.00 9.81 744.00 9.62 745.00 9.38 746.00 9.19 Page 205 of 335 747.00 9.00 748.00 8.90 749.00 8.64 750.00 8.47 751.00 8.26 752.00 8.09 753.00 8.05 754.00 7.89 755.00 7.71 756.00 7.65 757.00 7.53 758.00 7.49 759.00 7.30 760.00 7.37 761.00 7.19 762.00 7.09 763.00 7.14 764.00 6.96 765.00 6.97 766.00 6.91 767.00 6.78 768.00 6.87 769.00 6.70 770.00 6.63 771.00 6.70 772.00 6.51 773.00 6.55 774.00 6.53 775.00 6.36 776.00 6.54 777.00 6.31 778.00 6.31 779.00 6.38 780.00 6.22 781.00 6.30 782.00 6.10 783.00 6.20 784.00 5.97 785.00 6.10 786.00 5.92 787.00 6.01 788.00 5.84 789.00 5.96 790.00 5.78 791.00 5.72 792.00 5.67 793.00 5.60 794.00 5.70 795.00 5.52 796.00 5.61 Page 206 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 5.45 5.49 5.46 5.30 5.58 5.25 5.18 5.26 5.11 5.20 5.16 4.98 5.04 4.97 4.84 5.05 4.76 Routed Hydrograph Peak Outflow Discharge: 48.467 cfs, Time to Peak: 719.00 (min), Total Outflow Volume: 98328.31 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.14 0.001100 616.00 0.27 0.002033 617.00 0.37 0.002827 618.00 0.46 0.003504 619.00 0.54 0.004084 620.00 0.60 0.004584 621.00 0.66 0.005019 622.00 0.71 0.005400 623.00 0.75 0.005735 624.00 0.79 0.006030 625.00 0.83 0.006294 626.00 0.86 0.006534 627.00 0.89 0.006752 628.00 0.91 0.006953 629.00 0.94 0.007140 630.00 0.96 0.007314 631.00 0.98 0.007479 632.00 1.00 0.007639 633.00 1.02 0.007794 634.00 1.04 0.007947 635.00 1.06 0.008095 636.00 1.08 0.008240 Page 207 of 335 637.00 1.10 0.008383 638.00 1.12 0.008530 639.00 1.14 0.008681 640.00 1.16 0.008836 641.00 1.18 0.008990 642.00 1.20 0.009142 643.00 1.22 0.009297 644.00 1.24 0.009454 645.00 1.26 0.009613 646.00 1.28 0.009773 647.00 1.30 0.009935 648.00 1.32 0.010097 649.00 1.35 0.010263 650.00 1.37 0.010433 651.00 1.39 0.010606 652.00 1.41 0.010781 653.00 1.44 0.010959 654.00 1.46 0.011136 655.00 1.48 0.011319 656.00 1.51 0.011507 657.00 1.53 0.011700 658.00 1.56 0.011893 659.00 1.58 0.012093 660.00 1.61 0.012273 661.00 1.63 0.012482 662.00 1.66 0.012698 663.00 1.69 0.012920 664.00 1.72 0.013170 665.00 1.75 0.013396 666.00 1.78 0.013621 667.00 1.81 0.013876 668.00 1.86 0.014307 669.00 1.93 0.014896 670.00 2.00 0.015485 671.00 2.06 0.015759 672.00 2.08 0.015846 673.00 2.09 0.016030 674.00 2.14 0.016512 675.00 2.17 0.016529 676.00 2.20 0.016946 677.00 2.25 0.017287 678.00 2.27 0.017280 679.00 2.30 0.017848 680.00 2.34 0.017863 681.00 2.38 0.018470 682.00 2.43 0.018555 683.00 2.48 0.019234 684.00 2.53 0.019328 685.00 2.59 0.020087 686.00 2.64 0.020179 Page 208 of 335 687.00 2.69 0.020901 688.00 2.75 0.020976 689.00 2.81 0.021818 690.00 2.92 0.022764 691.00 3.00 0.022975 692.00 3.13 0.024791 693.00 3.30 0.025498 694.00 3.48 0.027502 695.00 3.71 0.029015 696.00 3.89 0.030201 697.00 4.02 0.031052 698.00 4.38 0.035733 699.00 4.79 0.037207 700.00 5.02 0.039234 701.00 5.42 0.042114 702.00 6.09 0.044552 703.00 7.06 0.049770 704.00 8.23 0.053769 705.00 9.01 0.055902 706.00 9.63 0.058665 707.00 10.41 0.062054 708.00 11.35 0.066020 709.00 12.61 0.072002 710.00 14.25 0.078981 711.00 18.23 0.084643 712.00 23.41 0.085592 713.00 24.95 0.086613 714.00 27.02 0.088225 715.00 32.29 0.093336 716.00 39.34 0.097206 717.00 44.07 0.099376 718.00 47.33 0.101363 719.00 48.47 0.101086 720.00 47.94 0.100952 721.00 46.92 0.100099 722.00 43.22 0.097738 723.00 38.45 0.095213 724.00 34.59 0.092819 725.00 31.11 0.090767 726.00 28.44 0.089421 727.00 26.24 0.087959 728.00 24.04 0.086620 729.00 21.39 0.084579 730.00 18.96 0.083523 731.00 17.55 0.082776 732.00 16.28 0.081903 733.00 15.55 0.081844 734.00 15.19 0.080114 735.00 14.70 0.077979 736.00 14.23 0.076341 Page 209 of 335 737.00 13.79 0.074532 738.00 13.29 0.072383 739.00 12.75 0.070336 740.00 12.24 0.068327 741.00 11.74 0.066436 742.00 11.29 0.064761 743.00 10.89 0.063272 744.00 10.54 0.062001 745.00 10.23 0.060822 746.00 9.95 0.059781 747.00 9.69 0.058818 748.00 9.47 0.058028 749.00 9.26 0.057166 750.00 9.05 0.056359 751.00 8.85 0.055551 752.00 8.65 0.054780 753.00 8.48 0.054200 754.00 8.33 0.053603 755.00 8.17 0.052976 756.00 8.02 0.052455 757.00 7.89 0.051949 758.00 7.78 0.051549 759.00 7.67 0.051049 760.00 7.57 0.050773 761.00 7.48 0.050371 762.00 7.38 0.049978 763.00 7.30 0.049751 764.00 7.23 0.049378 765.00 7.15 0.049130 766.00 7.09 0.048890 767.00 7.01 0.048562 768.00 6.96 0.048438 769.00 6.90 0.048160 770.00 6.83 0.047883 771.00 6.78 0.047767 772.00 6.73 0.047468 773.00 6.67 0.047304 774.00 6.63 0.047158 775.00 6.58 0.046853 776.00 6.54 0.046851 777.00 6.50 0.046588 778.00 6.45 0.046401 779.00 6.42 0.046349 780.00 6.38 0.046127 781.00 6.35 0.046060 782.00 6.30 0.045781 783.00 6.26 0.045698 784.00 6.20 0.045372 785.00 6.15 0.045299 786.00 6.11 0.045040 Page 210 of 335 787.00 6.07 0.044958 788.00 6.02 0.044702 789.00 5.99 0.044663 790.00 5.95 0.044426 791.00 5.89 0.044188 792.00 5.83 0.043959 793.00 5.77 0.043719 794.00 5.74 0.043669 795.00 5.70 0.043420 796.00 5.66 0.043352 797.00 5.62 0.043118 798.00 5.58 0.043003 799.00 5.55 0.042881 800.00 5.50 0.042616 801.00 5.48 0.042757 802.00 5.46 0.042465 803.00 5.39 0.042183 804.00 5.34 0.042071 805.00 5.29 0.041816 806.00 5.25 0.041750 807.00 5.24 0.041643 808.00 5.21 0.041326 809.00 5.18 0.041130 810.00 5.15 0.040886 811.00 5.11 0.040514 812.00 5.08 0.040468 813.00 5.05 0.040062 814.00 4.61 0.035111 815.00 3.84 0.029816 816.00 3.21 0.025399 817.00 2.68 0.021714 818.00 2.23 0.018640 819.00 1.86 0.016075 820.00 1.55 0.013936 821.00 1.30 0.012152 822.00 1.08 0.010663 823.00 0.90 0.009422 824.00 0.75 0.008386 825.00 0.63 0.007522 826.00 0.52 0.006801 827.00 0.44 0.006199 828.00 0.36 0.005698 829.00 0.30 0.005279 830.00 0.25 0.004930 831.00 0.21 0.004639 832.00 0.18 0.004396 833.00 0.15 0.004193 834.00 0.12 0.004024 835.00 0.10 0.003883 836.00 0.09 0.003766 Page 211 of 335 837.00 0.07 0.003668 838.00 0.06 0.003586 839.00 0.05 0.003517 840.00 0.04 0.003461 841.00 0.03 0.003413 842.00 0.03 0.003373 843.00 0.02 0.003340 Page 212 of 335 3 of 335 Detention Basin Analysis: Basin #15 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.04 4.00 0.08 5.00 0.13 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.8300 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 24.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 214 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.04 5.23 4.00 0.08 15.36 5.00 0.13 93.78 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 7.902 cfs, Time to Peak: 710.00 (min), Total Inflow Volume: 28296.66 ft^3 Time (min) Discharge cfs 614.00 0.39 615.00 0.61 616.00 0.45 617.00 0.32 618.00 0.57 619.00 0.51 620.00 0.32 621.00 0.44 622.00 0.76 623.00 0.44 624.00 0.35 625.00 0.48 626.00 0.87 627.00 0.43 628.00 0.32 629.00 0.47 630.00 0.75 631.00 0.76 632.00 0.32 633.00 0.37 634.00 0.56 635.00 0.95 636.00 0.99 637.00 0.31 638.00 0.38 639.00 0.54 640.00 0.80 641.00 1.16 642.00 0.78 643.00 0.36 644.00 0.41 645.00 0.52 646.00 0.76 Page 215 of 335 647.00 1.14 648.00 1.28 649.00 0.39 650.00 0.41 651.00 0.51 652.00 0.69 653.00 1.18 654.00 1.24 655.00 0.45 656.00 0.52 657.00 0.69 658.00 1.13 659.00 1.42 660.00 0.47 661.00 0.71 662.00 1.25 663.00 0.86 664.00 0.60 665.00 1.06 666.00 1.54 667.00 0.64 668.00 1.40 669.00 0.74 670.00 0.82 671.00 1.82 672.00 0.67 673.00 1.31 674.00 0.70 675.00 1.18 676.00 1.24 677.00 0.83 678.00 0.87 679.00 1.06 680.00 1.01 681.00 1.00 682.00 1.14 683.00 1.04 684.00 1.42 685.00 1.26 686.00 1.22 687.00 1.17 688.00 1.25 689.00 1.35 690.00 1.42 691.00 1.53 692.00 1.75 693.00 2.00 694.00 2.12 695.00 2.25 696.00 2.35 Page 216 of 335 697.00 2.60 698.00 3.05 699.00 3.52 700.00 3.88 701.00 4.17 702.00 4.42 703.00 4.98 704.00 6.01 705.00 6.78 706.00 7.25 707.00 7.44 708.00 7.23 709.00 7.62 710.00 7.90 711.00 7.46 712.00 6.70 713.00 6.31 714.00 6.12 715.00 5.69 716.00 5.50 717.00 5.46 718.00 5.45 719.00 5.46 720.00 5.47 721.00 5.17 722.00 5.12 723.00 5.09 724.00 5.04 725.00 4.91 726.00 4.57 727.00 4.61 728.00 4.67 729.00 4.67 730.00 4.63 731.00 4.56 732.00 4.51 733.00 4.43 734.00 4.35 735.00 4.27 736.00 4.28 737.00 4.19 738.00 4.14 739.00 4.08 740.00 4.01 741.00 3.95 742.00 3.91 743.00 3.89 744.00 3.87 745.00 3.81 746.00 3.72 Page 217 of 335 747.00 3.63 748.00 3.56 749.00 3.49 750.00 3.44 751.00 3.37 752.00 3.29 753.00 3.22 754.00 3.16 755.00 3.10 756.00 3.05 757.00 2.99 758.00 2.93 759.00 2.87 760.00 2.82 761.00 2.76 762.00 2.71 763.00 2.65 764.00 2.59 765.00 2.52 766.00 2.46 767.00 2.39 768.00 2.33 769.00 2.29 770.00 2.26 771.00 2.22 772.00 2.19 773.00 2.17 774.00 2.15 775.00 2.13 776.00 2.10 777.00 2.07 778.00 2.04 779.00 2.02 780.00 2.00 781.00 1.98 782.00 1.96 783.00 1.94 784.00 1.91 785.00 1.89 786.00 1.88 787.00 1.86 788.00 1.84 789.00 1.82 790.00 1.81 791.00 1.79 792.00 1.78 793.00 1.76 794.00 1.74 795.00 1.73 796.00 1.72 Page 218 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 1.70 1.69 1.68 1.66 1.64 1.62 1.63 1.61 1.63 1.56 1.63 1.57 1.50 1.44 1.36 1.34 1.32 Routed Hydrograph Peak Outflow Discharge: 6.969 cis, Time to Peak: 712.00 (min), Total Outflow Volume: 29852.51 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.08 0.000724 616.00 0.16 0.001194 617.00 0.19 0.001481 618.00 0.24 0.001948 619.00 0.29 0.002250 620.00 0.31 0.002341 621.00 0.32 0.002513 622.00 0.36 0.003050 623.00 0.40 0.003106 624.00 0.40 0.003076 625.00 0.40 0.003182 626.00 0.45 0.003761 627.00 0.48 0.003692 628.00 0.47 0.003556 629.00 0.45 0.003579 630.00 0.48 0.003949 631.00 0.52 0.004272 632.00 0.53 0.004032 633.00 0.50 0.003857 634.00 0.49 0.003945 635.00 0.53 0.004514 636.00 0.61 0.005049 Page 219 of 335 637.00 0.61 0.004700 638.00 0.57 0.004442 639.00 0.55 0.004425 640.00 0.57 0.004741 641.00 0.64 0.005459 642.00 0.69 0.005572 643.00 0.67 0.005146 644.00 0.62 0.004844 645.00 0.60 0.004741 646.00 0.61 0.004957 647.00 0.66 0.005618 648.00 0.75 0.006346 649.00 0.77 0.005871 650.00 0.71 0.005456 651.00 0.67 0.005240 652.00 0.66 0.005294 653.00 0.70 0.005950 654.00 0.79 0.006582 655.00 0.80 0.006104 656.00 0.74 0.005794 657.00 0.72 0.005757 658.00 0.75 0.006271 659.00 0.84 0.007076 660.00 0.86 0.006549 661.00 0.81 0.006405 662.00 0.84 0.006971 663.00 0.87 0.006946 664.00 0.85 0.006605 665.00 0.85 0.006900 666.00 0.92 0.007751 667.00 0.95 0.007326 668.00 0.96 0.007924 669.00 0.98 0.007599 670.00 0.95 0.007427 671.00 1.01 0.008542 672.00 1.05 0.008021 673.00 1.04 0.008402 674.00 1.03 0.007938 675.00 1.02 0.008167 676.00 1.05 0.008427 677.00 1.05 0.008130 678.00 1.02 0.007933 679.00 1.01 0.008009 680.00 1.01 0.008008 681.00 1.01 0.007989 682.00 1.02 0.008150 683.00 1.03 0.008158 684.00 1.06 0.008652 685.00 1.11 0.008855 686.00 1.13 0.008973 Page 220 of 335 687.00 1.14 0.009013 688.00 1.15 0.009145 689.00 1.18 0.009381 690.00 1.21 0.009666 691.00 1.25 0.010045 692.00 1.32 0.010634 693.00 1.41 0.011454 694.00 1.52 0.012289 695.00 1.63 0.013150 696.00 1.74 0.013996 697.00 1.86 0.015011 698.00 2.02 0.016424 699.00 2.23 0.018202 700.00 2.47 0.020135 701.00 2.73 0.022115 702.00 2.99 0.024085 703.00 3.27 0.026440 704.00 3.64 0.029704 705.00 4.09 0.033407 706.00 4.57 0.037089 707.00 5.03 0.040411 708.00 5.56 0.042710 709.00 6.11 0.044789 710.00 6.60 0.046578 711.00 6.92 0.047318 712.00 6.97 0.046944 713.00 6.83 0.046318 714.00 6.65 0.045597 715.00 6.43 0.044727 716.00 6.18 0.043791 717.00 5.97 0.043088 718.00 5.82 0.042579 719.00 5.71 0.042234 720.00 5.64 0.041998 721.00 5.54 0.041488 722.00 5.43 0.041072 723.00 5.33 0.040743 724.00 5.25 0.040445 725.00 5.20 0.040053 726.00 5.12 0.039295 727.00 5.03 0.038705 728.00 4.97 0.038288 729.00 4.92 0.037948 730.00 4.87 0.037610 731.00 4.83 0.037245 732.00 4.78 0.036874 733.00 4.73 0.036467 734.00 4.67 0.036019 735.00 4.61 0.035543 736.00 4.56 0.035165 Page 221 of 335 737.00 4.50 0.034732 738.00 4.45 0.034314 739.00 4.39 0.033886 740.00 4.34 0.033435 741.00 4.28 0.032980 742.00 4.22 0.032556 743.00 4.17 0.032177 744.00 4.12 0.031830 745.00 4.07 0.031466 746.00 4.02 0.031052 747.00 3.96 0.030597 748.00 3.90 0.030118 749.00 3.84 0.029640 750.00 3.78 0.029167 751.00 3.72 0.028686 752.00 3.65 0.028191 753.00 3.59 0.027689 754.00 3.52 0.027186 755.00 3.46 0.026697 756.00 3.39 0.026220 757.00 3.33 0.025751 758.00 3.27 0.025281 759.00 3.21 0.024815 760.00 3.15 0.024356 761.00 3.09 0.023905 762.00 3.03 0.023462 763.00 2.97 0.023019 764.00 2.91 0.022571 765.00 2.86 0.022112 766.00 2.80 0.021647 767.00 2.73 0.021176 768.00 2.67 0.020699 769.00 2.61 0.020257 770.00 2.56 0.019846 771.00 2.50 0.019459 772.00 2.45 0.019098 773.00 2.41 0.018765 774.00 2.37 0.018471 775.00 2.33 0.018190 776.00 2.29 0.017918 777.00 2.26 0.017655 778.00 2.23 0.017404 779.00 2.19 0.017167 780.00 2.16 0.016945 781.00 2.14 0.016733 782.00 2.11 0.016525 783.00 2.08 0.016323 784.00 2.06 0.016127 785.00 2.03 0.015939 786.00 2.01 0.015761 Page 222 of 335 787.00 1.98 0.015589 788.00 1.96 0.015422 789.00 1.94 0.015259 790.00 1.92 0.015103 791.00 1.90 0.014954 792.00 1.88 0.014814 793.00 1.86 0.014677 794.00 1.84 0.014539 795.00 1.83 0.014406 796.00 1.81 0.014277 797.00 1.79 0.014153 798.00 1.78 0.014035 799.00 1.76 0.013920 800.00 1.75 0.013806 801.00 1.73 0.013685 802.00 1.72 0.013561 803.00 1.70 0.013460 804.00 1.69 0.013356 805.00 1.68 0.013292 806.00 1.66 0.013148 807.00 1.65 0.013121 808.00 1.64 0.013021 809.00 1.63 0.012847 810.00 1.60 0.012625 811.00 1.57 0.012337 812.00 1.53 0.012080 813.00 1.50 0.011835 814.00 1.36 0.010391 815.00 1.13 0.008829 816.00 0.95 0.007524 817.00 0.79 0.006436 818.00 0.66 0.005527 819.00 0.55 0.004768 820.00 0.46 0.004135 821.00 0.38 0.003606 822.00 0.32 0.003165 823.00 0.27 0.002797 824.00 0.22 0.002489 825.00 0.19 0.002232 826.00 0.16 0.002018 827.00 0.13 0.001839 828.00 0.11 0.001690 829.00 0.09 0.001565 830.00 0.08 0.001461 831.00 0.06 0.001375 832.00 0.05 0.001302 833.00 0.04 0.001242 834.00 0.04 0.001191 835.00 0.03 0.001149 836.00 0.03 0.001114 Page 223 of 335 837.00 0.02 0.001084 838.00 0.02 0.001060 839.00 0.01 0.001039 840.00 0.01 0.001022 841.00 0.01 0.001008 842.00 0.01 0.000996 843.00 0.01 0.000986 844.00 0.01 0.000978 845.00 0.01 0.000971 846.00 0.00 0.000965 847.00 0.00 0.000960 Channel Analysis: Basin #15 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.0770 ft/ft Manning's n: 0.0350 Flow 15.3600 cfs Result Parameters Depth 0.5346 ft Area of Flow 2.4611 ft^2 Wetted Perimeter 6.3810 ft Hydraulic Radius 0.3857 ft Average Velocity 6.2411 ft/s Top Width 6.2075 ft Fronde Number: 1.7468 Critical Depth 0.7289 ft Critical Velocity 4.0631 ft/s Page 224 of 335 Critical Slope: 0.0233 ft/ft Critical Top Width 7.37 ft Calculated Max Shear Stress 2.5686 lb/ft^2 Calculated Avg Shear Stress 1.8532 lb/ft^2 Channel Lining Analysis: Basin #15 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 lb/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Page 225 of 335 Safety Factor: 1 Lining Results Permissible Soil Shear Stress: 0 lb/ft^2 Mean Boundary Shear Stress: 0 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 0 lb/ft^2 Effective Shear Stress: 0 lb/ft^2 Permissible Shear Stress on RECP: 0 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is NOT stable Channel Lining Stability Results 2 The channel is NOT stable Channel Summary Page 226 of 335 '27 of 335 Detention Basin Analysis: Basin #16 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.3300 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 7.5000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 228 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.08 4.00 0.07 9.91 5.00 0.10 36.32 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 1.341 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 1894.20 ft^ 3 Time (min) Discharge cfs 614.00 0.02 615.00 0.02 616.00 0.02 617.00 0.02 618.00 0.02 619.00 0.02 620.00 0.02 621.00 0.02 622.00 0.02 623.00 0.02 624.00 0.02 625.00 0.02 626.00 0.02 627.00 0.02 628.00 0.02 629.00 0.02 630.00 0.02 631.00 0.02 632.00 0.02 633.00 0.02 634.00 0.02 635.00 0.02 636.00 0.02 637.00 0.02 638.00 0.02 639.00 0.02 640.00 0.03 641.00 0.03 642.00 0.03 643.00 0.03 644.00 0.03 645.00 0.03 646.00 0.03 Page 229 of 335 647.00 0.03 648.00 0.03 649.00 0.03 650.00 0.03 651.00 0.03 652.00 0.03 653.00 0.03 654.00 0.03 655.00 0.03 656.00 0.03 657.00 0.03 658.00 0.03 659.00 0.03 660.00 0.03 661.00 0.04 662.00 0.04 663.00 0.04 664.00 0.04 665.00 0.04 666.00 0.04 667.00 0.04 668.00 0.04 669.00 0.04 670.00 0.04 671.00 0.04 672.00 0.04 673.00 0.05 674.00 0.05 675.00 0.05 676.00 0.05 677.00 0.05 678.00 0.05 679.00 0.05 680.00 0.06 681.00 0.06 682.00 0.06 683.00 0.06 684.00 0.06 685.00 0.06 686.00 0.06 687.00 0.07 688.00 0.07 689.00 0.07 690.00 0.07 691.00 0.09 692.00 0.10 693.00 0.12 694.00 0.13 695.00 0.14 696.00 0.15 Page 230 of 335 697.00 0.19 698.00 0.23 699.00 0.27 700.00 0.30 701.00 0.32 702.00 0.34 703.00 0.42 704.00 0.47 705.00 0.54 706.00 0.58 707.00 0.61 708.00 0.63 709.00 0.84 710.00 1.02 711.00 1.15 712.00 1.24 713.00 1.30 714.00 1.34 715.00 1.20 716.00 1.10 717.00 1.05 718.00 1.02 719.00 1.01 720.00 1.01 721.00 0.72 722.00 0.52 723.00 0.40 724.00 0.32 725.00 0.29 726.00 0.25 727.00 0.22 728.00 0.20 729.00 0.19 730.00 0.18 731.00 0.17 732.00 0.17 733.00 0.16 734.00 0.16 735.00 0.15 736.00 0.15 737.00 0.15 738.00 0.14 739.00 0.14 740.00 0.13 741.00 0.13 742.00 0.13 743.00 0.12 744.00 0.12 745.00 0.12 746.00 0.11 Page 231 of 335 747.00 0.11 748.00 0.10 749.00 0.10 750.00 0.10 751.00 0.10 752.00 0.09 753.00 0.09 754.00 0.09 755.00 0.09 756.00 0.09 757.00 0.08 758.00 0.08 759.00 0.08 760.00 0.08 761.00 0.08 762.00 0.08 763.00 0.08 764.00 0.08 765.00 0.08 766.00 0.07 767.00 0.07 768.00 0.07 769.00 0.07 770.00 0.07 771.00 0.07 772.00 0.07 773.00 0.07 774.00 0.07 775.00 0.07 776.00 0.07 777.00 0.07 778.00 0.07 779.00 0.06 780.00 0.06 781.00 0.06 782.00 0.06 783.00 0.06 784.00 0.06 785.00 0.06 786.00 0.06 787.00 0.06 788.00 0.06 789.00 0.06 790.00 0.06 791.00 0.06 792.00 0.06 793.00 0.06 794.00 0.06 795.00 0.06 796.00 0.06 Page 232 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Routed Hydrograph Peak Outflow Discharge: 0.851 cfs, Time to Peak: 721.00 (min), Total Outflow Volume: 1923.77 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000022 616.00 0.00 0.000043 617.00 0.00 0.000061 618.00 0.01 0.000079 619.00 0.01 0.000095 620.00 0.01 0.000110 621.00 0.01 0.000124 622.00 0.01 0.000137 623.00 0.01 0.000149 624.00 0.01 0.000161 625.00 0.01 0.000174 626.00 0.01 0.000184 627.00 0.01 0.000193 628.00 0.01 0.000202 629.00 0.01 0.000211 630.00 0.02 0.000219 631.00 0.02 0.000226 632.00 0.02 0.000233 633.00 0.02 0.000241 634.00 0.02 0.000247 635.00 0.02 0.000255 636.00 0.02 0.000261 Page 233 of 335 637.00 0.02 0.000268 638.00 0.02 0.000275 639.00 0.02 0.000281 640.00 0.02 0.000288 641.00 0.02 0.000294 642.00 0.02 0.000300 643.00 0.02 0.000307 644.00 0.02 0.000313 645.00 0.02 0.000319 646.00 0.02 0.000326 647.00 0.02 0.000332 648.00 0.02 0.000339 649.00 0.02 0.000346 650.00 0.02 0.000352 651.00 0.02 0.000359 652.00 0.03 0.000366 653.00 0.03 0.000373 654.00 0.03 0.000379 655.00 0.03 0.000386 656.00 0.03 0.000393 657.00 0.03 0.000400 658.00 0.03 0.000407 659.00 0.03 0.000414 660.00 0.03 0.000421 661.00 0.03 0.000428 662.00 0.03 0.000436 663.00 0.03 0.000445 664.00 0.03 0.000454 665.00 0.03 0.000462 666.00 0.03 0.000471 667.00 0.03 0.000481 668.00 0.03 0.000492 669.00 0.03 0.000503 670.00 0.04 0.000515 671.00 0.04 0.000527 672.00 0.04 0.000538 673.00 0.04 0.000550 674.00 0.04 0.000563 675.00 0.04 0.000577 676.00 0.04 0.000591 677.00 0.04 0.000606 678.00 0.04 0.000620 679.00 0.04 0.000634 680.00 0.04 0.000650 681.00 0.05 0.000665 682.00 0.05 0.000680 683.00 0.05 0.000696 684.00 0.05 0.000711 685.00 0.05 0.000727 686.00 0.05 0.000745 Page 234 of 335 687.00 0.05 0.000762 688.00 0.05 0.000781 689.00 0.05 0.000799 690.00 0.06 0.000816 691.00 0.06 0.000853 692.00 0.06 0.000908 693.00 0.07 0.000980 694.00 0.07 0.001060 695.00 0.08 0.001146 696.00 0.08 0.001233 697.00 0.09 0.001372 698.00 0.10 0.001553 699.00 0.12 0.001767 700.00 0.13 0.002000 701.00 0.15 0.002238 702.00 0.16 0.002474 703.00 0.18 0.002801 704.00 0.21 0.003166 705.00 0.23 0.003582 706.00 0.26 0.004012 707.00 0.29 0.004444 708.00 0.32 0.004866 709.00 0.36 0.005532 710.00 0.41 0.006369 711.00 0.47 0.007299 712.00 0.54 0.008258 713.00 0.61 0.009209 714.00 0.67 0.010133 715.00 0.73 0.010788 716.00 0.76 0.011254 717.00 0.79 0.011609 718.00 0.81 0.011895 719.00 0.83 0.012140 720.00 0.85 0.012357 721.00 0.85 0.012269 722.00 0.83 0.011965 723.00 0.80 0.011478 724.00 0.76 0.010905 725.00 0.71 0.010314 726.00 0.67 0.009729 727.00 0.63 0.009158 728.00 0.60 0.008615 729.00 0.56 0.008106 730.00 0.52 0.007631 731.00 0.49 0.007193 732.00 0.46 0.006789 733.00 0.44 0.006413 734.00 0.41 0.006063 735.00 0.39 0.005738 736.00 0.37 0.005439 Page 235 of 335 737.00 0.35 0.005163 738.00 0.33 0.004911 739.00 0.31 0.004673 740.00 0.30 0.004451 741.00 0.28 0.004242 742.00 0.27 0.004048 743.00 0.25 0.003870 744.00 0.24 0.003705 745.00 0.23 0.003547 746.00 0.22 0.003397 747.00 0.21 0.003255 748.00 0.20 0.003122 749.00 0.19 0.002998 750.00 0.18 0.002883 751.00 0.18 0.002774 752.00 0.17 0.002671 753.00 0.16 0.002573 754.00 0.15 0.002482 755.00 0.15 0.002397 756.00 0.14 0.002319 757.00 0.14 0.002245 758.00 0.13 0.002176 759.00 0.13 0.002111 760.00 0.12 0.002051 761.00 0.12 0.001997 762.00 0.12 0.001946 763.00 0.11 0.001898 764.00 0.11 0.001854 765.00 0.11 0.001812 766.00 0.10 0.001773 767.00 0.10 0.001737 768.00 0.10 0.001703 769.00 0.10 0.001672 770.00 0.09 0.001641 771.00 0.09 0.001612 772.00 0.09 0.001585 773.00 0.09 0.001559 774.00 0.09 0.001535 775.00 0.08 0.001512 776.00 0.08 0.001490 777.00 0.08 0.001468 778.00 0.08 0.001447 779.00 0.08 0.001427 780.00 0.08 0.001408 781.00 0.08 0.001390 782.00 0.07 0.001372 783.00 0.07 0.001354 784.00 0.07 0.001338 785.00 0.07 0.001323 786.00 0.07 0.001308 Page 236 of 335 787.00 0.07 0.001294 788.00 0.07 0.001281 789.00 0.07 0.001268 790.00 0.07 0.001254 791.00 0.07 0.001242 792.00 0.06 0.001231 793.00 0.06 0.001220 794.00 0.06 0.001210 795.00 0.06 0.001199 796.00 0.06 0.001189 797.00 0.06 0.001179 798.00 0.06 0.001170 799.00 0.06 0.001160 800.00 0.06 0.001152 801.00 0.06 0.001142 802.00 0.06 0.001134 803.00 0.06 0.001126 804.00 0.06 0.001118 805.00 0.06 0.001110 806.00 0.06 0.001102 807.00 0.06 0.001093 808.00 0.05 0.001086 809.00 0.05 0.001078 810.00 0.05 0.001070 811.00 0.05 0.001063 812.00 0.05 0.001055 813.00 0.05 0.001048 814.00 0.05 0.000980 815.00 0.05 0.000918 816.00 0.04 0.000862 817.00 0.04 0.000810 818.00 0.03 0.000764 819.00 0.03 0.000722 820.00 0.03 0.000683 821.00 0.03 0.000648 822.00 0.02 0.000616 823.00 0.02 0.000588 824.00 0.02 0.000561 825.00 0.02 0.000537 826.00 0.02 0.000516 827.00 0.01 0.000496 828.00 0.01 0.000478 829.00 0.01 0.000462 830.00 0.01 0.000447 831.00 0.01 0.000434 832.00 0.01 0.000421 833.00 0.01 0.000410 834.00 0.01 0.000400 835.00 0.01 0.000391 836.00 0.01 0.000383 Page 237 of 335 837.00 0.01 0.000375 838.00 0.00 0.000368 839.00 0.00 0.000362 840.00 0.00 0.000356 841.00 0.00 0.000351 842.00 0.00 0.000346 843.00 0.00 0.000342 844.00 0.00 0.000338 845.00 0.00 0.000335 846.00 0.00 0.000332 847.00 0.00 0.000329 848.00 0.00 0.000326 849.00 0.00 0.000324 850.00 0.00 0.000321 851.00 0.00 0.000319 852.00 0.00 0.000318 853.00 0.00 0.000316 854.00 0.00 0.000314 855.00 0.00 0.000313 856.00 0.00 0.000312 857.00 0.00 0.000311 858.00 0.00 0.000310 859.00 0.00 0.000309 860.00 0.00 0.000308 Channel Analysis: Basin #16 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.2500 ft/ft Manning's n: 0.0350 Flow 9.9100 cfs Result Parameters Depth 0.3060 ft Area of Flow 1.1989 ft^2 Page 238 of 335 Wetted Perimeter 4.9353 ft Hydraulic Radius 0.2429 ft Average Velocity 8.2659 ft/s Top Width 4.8360 ft Fronde Number: 2.9256 Critical Depth 0.5719 ft Critical Velocity 3.6744 ft/s Critical Slope: 0.0248 ft/ft Critical Top Width 6.43 ft Calculated Max Shear Stress 4.7736 lb/ft^2 Calculated Avg Shear Stress 3.7896 lb/ft^2 Channel Lining Analysis: Basin #16 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 lb/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Page 239 of 335 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Safety Factor: 1.5 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 3.78962 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 4.7736 lb/ft^2 Effective Shear Stress: 0.0509798 lb/ft^2 Permissible Shear Stress on RECP: 7.25961 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 The channel is stable Channel Summary Name of Selected Channel: Basin #16 Channel Analysis Page 240 of 335 Page of 335 Detention Basin Analysis: Basin #17 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.08 5.00 0.11 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 11.5000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 242 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.08 11.76 5.00 0.11 50.87 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 41.205 cfs, Time to Peak: 711.00 (min), Total Inflow Volume: 18765.33 ft^3 Time (min) Discharge cfs 614.00 0.18 615.00 0.19 616.00 0.20 617.00 0.18 618.00 0.22 619.00 0.18 620.00 0.20 621.00 0.20 622.00 0.20 623.00 0.22 624.00 0.20 625.00 0.21 626.00 0.23 627.00 0.21 628.00 0.23 629.00 0.27 630.00 0.23 631.00 0.22 632.00 0.23 633.00 0.25 634.00 0.28 635.00 0.31 636.00 0.25 637.00 0.28 638.00 0.26 639.00 0.30 640.00 0.31 641.00 0.30 642.00 0.36 643.00 0.19 644.00 0.24 645.00 0.32 646.00 0.30 Page 243 of 335 647.00 0.33 648.00 0.29 649.00 0.31 650.00 0.34 651.00 0.34 652.00 0.34 653.00 0.35 654.00 0.35 655.00 0.36 656.00 0.37 657.00 0.37 658.00 0.38 659.00 0.38 660.00 0.39 661.00 0.40 662.00 0.41 663.00 0.42 664.00 0.42 665.00 0.43 666.00 0.44 667.00 0.45 668.00 0.47 669.00 0.48 670.00 0.49 671.00 0.50 672.00 0.52 673.00 0.58 674.00 0.82 675.00 0.31 676.00 0.34 677.00 1.13 678.00 0.25 679.00 0.38 680.00 1.32 681.00 0.24 682.00 0.86 683.00 0.34 684.00 0.36 685.00 0.65 686.00 0.27 687.00 1.55 688.00 0.28 689.00 0.67 690.00 0.61 691.00 0.37 692.00 2.52 693.00 0.53 694.00 0.58 695.00 2.88 696.00 0.60 Page 244 of 335 697.00 0.80 698.00 3.67 699.00 1.57 700.00 3.44 701.00 0.62 702.00 5.97 703.00 1.18 704.00 4.31 705.00 4.06 706.00 2.60 707.00 1.26 708.00 4.33 709.00 13.85 710.00 1.28 711.00 41.20 712.00 10.07 713.00 8.71 714.00 7.33 715.00 5.61 716.00 21.06 717.00 6.09 718.00 16.83 719.00 1.29 720.00 5.62 721.00 13.10 722.00 0.90 723.00 3.SS 724.00 1.34 725.00 0.72 726.00 1.77 727.00 0.78 728.00 3.25 729.00 0.70 730.00 0.68 731.00 3.16 732.00 0.65 733.00 0.63 734.00 3.06 735.00 0.60 736.00 0.58 737.00 3.02 738.00 0.58 739.00 0.54 740.00 2.85 741.00 0. S 0 742.00 0.49 743.00 2.74 744.00 0.49 745.00 0.46 746.00 2.67 Page 245 of 335 747.00 0.41 748.00 0.40 749.00 2.63 750.00 0.40 751.00 0.38 752.00 2.52 753.00 0.35 754.00 0.35 755.00 2.46 756.00 0.34 757.00 0.34 758.00 2.41 759.00 0.33 760.00 0.32 761.00 2.37 762.00 0.32 763.00 0.32 764.00 2.31 765.00 0.31 766.00 0.30 767.00 2.30 768.00 0.30 769.00 0.29 770.00 2.26 771.00 0.29 772.00 0.28 773.00 2.15 774.00 0.28 775.00 0.27 776.00 2.05 777.00 0.26 778.00 0.26 779.00 1.95 780.00 0.26 781.00 0.26 782.00 1.64 783.00 0.25 784.00 0.26 785.00 0.87 786.00 0.24 787.00 1.70 788.00 0.24 789.00 0.86 790.00 0.38 791.00 0.27 792.00 0.80 793.00 0.23 794.00 1.44 795.00 0.23 796.00 1.51 Page 246 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.22 0.90 0.38 0.34 1.18 0.22 0.51 1.20 0.21 0.35 1.25 0.21 0.34 1.21 0.23 0.36 1.12 Routed Hydrograph Peak Outflow Discharge: 11.706 cis, Time to Peak: 712.00 (min), Total Outflow Volume: 19252.32 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.03 0.000238 616.00 0.05 0.000457 617.00 0.07 0.000636 618.00 0.08 0.000825 619.00 0.10 0.000959 620.00 0.11 0.001078 621.00 0.12 0.001189 622.00 0.14 0.001288 623.00 0.15 0.001385 624.00 0.15 0.001465 625.00 0.16 0.001538 626.00 0.17 0.001625 627.00 0.18 0.001685 628.00 0.18 0.001748 629.00 0.19 0.001852 630.00 0.20 0.001900 631.00 0.20 0.001933 632.00 0.21 0.001963 633.00 0.21 0.002021 634.00 0.22 0.002100 635.00 0.23 0.002208 636.00 0.23 0.002228 Page 247 of 335 637.00 0.24 0.002284 638.00 0.24 0.002303 639.00 0.25 0.002375 640.00 0.25 0.002452 641.00 0.26 0.002509 642.00 0.27 0.002630 643.00 0.27 0.002583 644.00 0.26 0.002546 645.00 0.27 0.002615 646.00 0.27 0.002655 647.00 0.28 0.002732 648.00 0.28 0.002747 649.00 0.28 0.002785 650.00 0.29 0.002852 651.00 0.30 0.002913 652.00 0.30 0.002959 653.00 0.31 0.003019 654.00 0.31 0.003072 655.00 0.32 0.003125 656.00 0.33 0.003186 657.00 0.33 0.003239 658.00 0.34 0.003299 659.00 0.34 0.003354 660.00 0.35 0.003409 661.00 0.36 0.003466 662.00 0.36 0.003529 663.00 0.37 0.003595 664.00 0.38 0.003663 665.00 0.38 0.003732 666.00 0.39 0.003800 667.00 0.40 0.003875 668.00 0.41 0.003960 669.00 0.41 0.004050 670.00 0.42 0.004139 671.00 0.43 0.004230 672.00 0.44 0.004339 673.00 0.46 0.004513 674.00 0.49 0.004966 675.00 0.50 0.004778 676.00 0.48 0.004581 677.00 0.51 0.005432 678.00 0.54 0.005104 679.00 0.51 0.004923 680.00 0.55 0.005984 681.00 0.58 0.005548 682.00 0.58 0.005939 683.00 0.58 0.005604 684.00 0.55 0.005341 685.00 0.54 0.005491 686.00 0.53 0.005129 Page 248 of 335 687.00 0.58 0.006463 688.00 0.63 0.005981 689.00 0.61 0.006063 690.00 0.61 0.006066 691.00 0.60 0.005752 692.00 0.71 0.008248 693.00 0.82 0.007842 694.00 0.78 0.007559 695.00 0.91 0.010268 696.00 1.02 0.009731 697.00 0.98 0.009482 698.00 1.15 0.012953 699.00 1.35 0.013257 700.00 1.50 0.015921 701.00 1.57 0.014970 702.00 1.80 0.020709 703.00 2.04 0.019515 704.00 2.14 0.022504 705.00 2.41 0.024770 706.00 2.54 0.024852 707.00 2.46 0.023371 708.00 2.50 0.025888 709.00 3.53 0.040110 710.00 4.38 0.037149 711.00 7.96 0.082944 712.00 11.71 0.080687 713.00 11.21 0.077231 714.00 10.54 0.072883 715.00 9.67 0.067876 716.00 10.45 0.082488 717.00 11.11 0.076234 718.00 11.19 0.084002 719.00 10.73 0.074039 720.00 9.19 0.069121 721.00 9.23 0.074451 722.00 8.75 0.063631 723.00 7.37 0.058375 724.00 6.33 0.051502 725.00 5.20 0.045332 726.00 4.36 0.041760 727.00 3.71 0.037724 728.00 3.35 0.037584 729.00 3.09 0.034293 730.00 2.77 0.031415 731.00 2.65 0.032110 732.00 2.55 0.029484 733.00 2.29 0.027197 734.00 2.23 0.028330 735.00 2.18 0.026157 736.00 1.96 0.024246 Page 249 of 335 737.00 1.94 0.025727 738.00 1.92 0.023883 739.00 1.74 0.022237 740.00 1.73 0.023779 741.00 1.73 0.022093 742.00 1.56 0.020623 743.00 1.57 0.022238 744.00 1.57 0.020741 745.00 1.43 0.019409 746.00 1.44 0.021092 747.00 1.46 0.019655 748.00 1.32 0.018400 749.00 1.34 0.020175 750.00 1.37 0.018840 751.00 1.23 0.017664 752.00 1.26 0.019402 753.00 1.29 0.018114 754.00 1.16 0.016992 755.00 1.19 0.018734 756.00 1.22 0.017522 757.00 1.10 0.016466 758.00 1.14 0.018218 759.00 1.17 0.017055 760.00 1.06 0.016045 761.00 1.09 0.017806 762.00 1.13 0.016694 763.00 1.02 0.015724 764.00 1.06 0.017452 765.00 1.09 0.016368 766.00 0.99 0.015427 767.00 1.03 0.017181 768.00 1.07 0.016130 769.00 0.96 0.015210 770.00 1.01 0.016940 771.00 1.04 0.015901 772.00 0.94 0.014995 773.00 0.98 0.016609 774.00 1.01 0.015605 775.00 0.91 0.014730 776.00 0.94 0.016257 777.00 0.97 0.015280 778.00 0.88 0.014433 779.00 0.91 0.015869 780.00 0.93 0.014940 781.00 0.84 0.014129 782.00 0.86 0.015209 783.00 0.87 0.014354 784.00 0.79 0.013625 785.00 0.76 0.013786 786.00 0.73 0.013116 Page 250 of 335 787.00 0.76 0.014411 788.00 0.79 0.013649 789.00 0.76 0.013794 790.00 0.74 0.013296 791.00 0.68 0.012725 792.00 0.66 0.012911 793.00 0.64 0.012342 794.00 0.67 0.013410 795.00 0.69 0.012775 796.00 0.72 0.013866 797.00 0.74 0.013158 798.00 0.71 0.013413 799.00 0.70 0.012971 800.00 0.66 0.012536 801.00 0.67 0.013233 802.00 0.67 0.012604 803.00 0.63 0.012431 804.00 0.66 0.013166 805.00 0.67 0.012543 806.00 0.62 0.012181 807.00 0.64 0.013019 808.00 0.65 0.012411 809.00 0.60 0.012056 810.00 0.62 0.012855 811.00 0.64 0.012300 812.00 0.59 0.011978 813.00 0.61 0.012682 814.00 0.61 0.011849 815.00 0.52 0.011128 816.00 0.45 0.010504 817.00 0.39 0.009965 818.00 0.34 0.009498 819.00 0.29 0.009094 820.00 0.25 0.008745 821.00 0.22 0.008443 822.00 0.19 0.008182 823.00 0.16 0.007956 824.00 0.14 0.007760 825.00 0.12 0.007591 826.00 0.11 0.007444 827.00 0.09 0.007318 828.00 0.08 0.007208 829.00 0.07 0.007113 830.00 0.06 0.007031 831.00 0.05 0.006961 832.00 0.04 0.006899 833.00 0.04 0.006846 834.00 0.03 0.006800 835.00 0.03 0.006761 836.00 0.02 0.006726 Page 251 of 335 837.00 0.02 0.006696 838.00 0.02 0.006671 Page 252 of 335 Page of 335 Detention Basin Analysis: Basin #18 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 6.5000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 254 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 10.89 5.00 0.10 34.36 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge:1.897 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 3843.57 ft^ 3 Time (min) Discharge cfs 614.00 0.05 615.00 0.05 616.00 0.05 617.00 0.05 618.00 0.05 619.00 0.06 620.00 0.06 621.00 0.06 622.00 0.06 623.00 0.06 624.00 0.06 625.00 0.06 626.00 0.06 627.00 0.06 628.00 0.06 629.00 0.06 630.00 0.06 631.00 0.07 632.00 0.07 633.00 0.07 634.00 0.07 635.00 0.07 636.00 0.07 637.00 0.07 638.00 0.07 639.00 0.07 640.00 0.08 641.00 0.08 642.00 0.08 643.00 0.08 644.00 0.08 645.00 0.08 646.00 0.08 Page 255 of 335 647.00 0.09 648.00 0.09 649.00 0.09 650.00 0.09 651.00 0.09 652.00 0.09 653.00 0.09 654.00 0.10 655.00 0.10 656.00 0.10 657.00 0.10 658.00 0.10 659.00 0.10 660.00 0.10 661.00 0.11 662.00 0.11 663.00 0.11 664.00 0.11 665.00 0.12 666.00 0.12 667.00 0.12 668.00 0.12 669.00 0.13 670.00 0.13 671.00 0.13 672.00 0.13 673.00 0.14 674.00 0.14 675.00 0.15 676.00 0.15 677.00 0.15 678.00 0.15 679.00 0.16 680.00 0.16 681.00 0.17 682.00 0.17 683.00 0.17 684.00 0.18 685.00 0.18 686.00 0.19 687.00 0.19 688.00 0.19 689.00 0.20 690.00 0.20 691.00 0.24 692.00 0.29 693.00 0.28 694.00 0.37 695.00 0.38 696.00 0.37 Page 256 of 335 697.00 0.49 698.00 0.58 699.00 0.63 700.00 0.66 701.00 0.67 702.00 0.67 703.00 0.84 704.00 0.97 705.00 1.03 706.00 1.05 707.00 1.07 708.00 1.08 709.00 1.51 710.00 1.73 711.00 1.80 712.00 1.85 713.00 1.87 714.00 1.90 715.00 1.59 716.00 1.49 717.00 1.47 718.00 1.47 719.00 1.48 720.00 1.49 721.00 0.90 722.00 0.62 723.00 0.52 724.00 0.48 725.00 0.46 726.00 0.46 727.00 0.44 728.00 0.43 729.00 0.42 730.00 0.43 731.00 0.43 732.00 0.43 733.00 0.42 734.00 0.35 735.00 0.35 736.00 0.40 737.00 0.34 738.00 0.41 739.00 0.35 740.00 0.32 741.00 0.36 742.00 0.30 743.00 0.38 744.00 0.32 745.00 0.29 746.00 0.31 Page 257 of 335 747.00 0.28 748.00 0.27 749.00 0.32 750.00 0.27 751.00 0.26 752.00 0.29 753.00 0.26 754.00 0.26 755.00 0.26 756.00 0.26 757.00 0.25 758.00 0.25 759.00 0.24 760.00 0.24 761.00 0.24 762.00 0.24 763.00 0.24 764.00 0.23 765.00 0.23 766.00 0.23 767.00 0.23 768.00 0.23 769.00 0.22 770.00 0.22 771.00 0.22 772.00 0.22 773.00 0.22 774.00 0.21 775.00 0.21 776.00 0.21 777.00 0.21 778.00 0.20 779.00 0.20 780.00 0.20 781.00 0.20 782.00 0.20 783.00 0.20 784.00 0.19 785.00 0.19 786.00 0.19 787.00 0.19 788.00 0.19 789.00 0.19 790.00 0.18 791.00 0.18 792.00 0.18 793.00 0.18 794.00 0.18 795.00 0.18 796.00 0.18 Page 258 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.18 0.18 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.16 0.16 0.16 0.16 0.16 0.16 0.16 0.16 Routed Hydrograph Peak Outflow Discharge: 1.390 cis, Time to Peak: 720.00 (min), Total Outflow Volume: 3956.48 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000067 616.00 0.01 0.000127 617.00 0.02 0.000182 618.00 0.02 0.000230 619.00 0.02 0.000275 620.00 0.03 0.000315 621.00 0.03 0.000352 622.00 0.03 0.000387 623.00 0.04 0.000418 624.00 0.04 0.000446 625.00 0.04 0.000472 626.00 0.04 0.000497 627.00 0.05 0.000519 628.00 0.05 0.000541 629.00 0.05 0.000561 630.00 0.05 0.000579 631.00 0.05 0.000597 632.00 0.05 0.000613 633.00 0.06 0.000630 634.00 0.06 0.000647 635.00 0.06 0.000662 636.00 0.06 0.000677 Page 259 of 335 637.00 0.06 0.000692 638.00 0.06 0.000706 639.00 0.06 0.000721 640.00 0.06 0.000736 641.00 0.07 0.000751 642.00 0.07 0.000765 643.00 0.07 0.000779 644.00 0.07 0.000795 645.00 0.07 0.000809 646.00 0.07 0.000825 647.00 0.07 0.000840 648.00 0.08 0.000854 649.00 0.08 0.000869 650.00 0.08 0.000884 651.00 0.08 0.000900 652.00 0.08 0.000916 653.00 0.08 0.000932 654.00 0.08 0.000948 655.00 0.08 0.000964 656.00 0.09 0.000980 657.00 0.09 0.000997 658.00 0.09 0.001013 659.00 0.09 0.001030 660.00 0.09 0.001046 661.00 0.09 0.001063 662.00 0.10 0.001082 663.00 0.10 0.001101 664.00 0.10 0.001121 665.00 0.10 0.001141 666.00 0.10 0.001162 667.00 0.10 0.001183 668.00 0.11 0.001208 669.00 0.11 0.001234 670.00 0.11 0.001260 671.00 0.11 0.001287 672.00 0.12 0.001312 673.00 0.12 0.001342 674.00 0.12 0.001372 675.00 0.12 0.001403 676.00 0.13 0.001435 677.00 0.13 0.001467 678.00 0.13 0.001498 679.00 0.13 0.001534 680.00 0.14 0.001570 681.00 0.14 0.001607 682.00 0.14 0.001644 683.00 0.15 0.001681 684.00 0.15 0.001718 685.00 0.15 0.001756 686.00 0.16 0.001797 Page 260 of 335 687.00 0.16 0.001837 688.00 0.16 0.001878 689.00 0.17 0.001918 690.00 0.17 0.001957 691.00 0.18 0.002050 692.00 0.19 0.002196 693.00 0.20 0.002308 694.00 0.21 0.002520 695.00 0.23 0.002726 696.00 0.25 0.002888 697.00 0.27 0.003188 698.00 0.30 0.003573 699.00 0.33 0.003980 700.00 0.37 0.004381 701.00 0.40 0.004752 702.00 0.43 0.005073 703.00 0.47 0.005579 704.00 0.52 0.006199 705.00 0.58 0.006820 706.00 0.63 0.007401 707.00 0.68 0.007939 708.00 0.72 0.008436 709.00 0.79 0.009428 710.00 0.88 0.010590 711.00 0.98 0.011719 712.00 1.08 0.012774 713.00 1.17 0.013742 714.00 1.25 0.014630 715.00 1.31 0.015022 716.00 1.34 0.015234 717.00 1.35 0.015395 718.00 1.37 0.015539 719.00 1.38 0.015677 720.00 1.39 0.015811 721.00 1.37 0.015494 722.00 1.30 0.014706 723.00 1.21 0.013765 724.00 1.13 0.012866 725.00 1.06 0.012044 726.00 0.99 0.011312 727.00 0.93 0.010637 728.00 0.87 0.010026 729.00 0.82 0.009484 730.00 0.77 0.009013 731.00 0.73 0.008595 732.00 0.70 0.008225 733.00 0.67 0.007880 734.00 0.64 0.007488 735.00 0.60 0.007142 736.00 0.58 0.006900 Page 261 of 335 737.00 0.55 0.006603 738.00 0.53 0.006429 739.00 0.52 0.006203 740.00 0.49 0.005960 741.00 0.48 0.005805 742.00 0.46 0.005583 743.00 0.45 0.005494 744.00 0.44 0.005332 745.00 0.42 0.005152 746.00 0.41 0.005016 747.00 0.39 0.004866 748.00 0.38 0.004719 749.00 0.37 0.004652 750.00 0.36 0.004517 751.00 0.35 0.004397 752.00 0.34 0.004330 753.00 0.34 0.004226 754.00 0.33 0.004131 755.00 0.32 0.004046 756.00 0.31 0.003968 757.00 0.30 0.003894 758.00 0.30 0.003823 759.00 0.29 0.003756 760.00 0.29 0.003696 761.00 0.28 0.003640 762.00 0.28 0.003589 763.00 0.27 0.003539 764.00 0.27 0.003490 765.00 0.26 0.003445 766.00 0.26 0.003403 767.00 0.26 0.003364 768.00 0.25 0.003328 769.00 0.25 0.003292 770.00 0.25 0.003256 771.00 0.24 0.003222 772.00 0.24 0.003189 773.00 0.24 0.003159 774.00 0.24 0.003130 775.00 0.23 0.003101 776.00 0.23 0.003072 777.00 0.23 0.003042 778.00 0.23 0.003014 779.00 0.22 0.002988 780.00 0.22 0.002963 781.00 0.22 0.002936 782.00 0.22 0.002910 783.00 0.21 0.002884 784.00 0.21 0.002860 785.00 0.21 0.002838 786.00 0.21 0.002816 Page 262 of 335 787.00 0.21 0.002793 788.00 0.20 0.002772 789.00 0.20 0.002750 790.00 0.20 0.002730 791.00 0.20 0.002711 792.00 0.20 0.002692 793.00 0.19 0.002673 794.00 0.19 0.002655 795.00 0.19 0.002637 796.00 0.19 0.002619 797.00 0.19 0.002602 798.00 0.19 0.002587 799.00 0.19 0.002571 800.00 0.18 0.002554 801.00 0.18 0.002538 802.00 0.18 0.002522 803.00 0.18 0.002507 804.00 0.18 0.002493 805.00 0.18 0.002477 806.00 0.18 0.002461 807.00 0.17 0.002445 808.00 0.17 0.002430 809.00 0.17 0.002415 810.00 0.17 0.002400 811.00 0.17 0.002385 812.00 0.17 0.002370 813.00 0.17 0.002356 814.00 0.16 0.002140 815.00 0.14 0.001950 816.00 0.12 0.001781 817.00 0.11 0.001631 818.00 0.10 0.001499 819.00 0.09 0.001382 820.00 0.08 0.001278 821.00 0.07 0.001186 822.00 0.06 0.001104 823.00 0.05 0.001032 824.00 0.05 0.000969 825.00 0.04 0.000912 826.00 0.04 0.000862 827.00 0.03 0.000818 828.00 0.03 0.000779 829.00 0.03 0.000744 830.00 0.02 0.000713 831.00 0.02 0.000686 832.00 0.02 0.000662 833.00 0.02 0.000641 834.00 0.01 0.000622 835.00 0.01 0.000605 836.00 0.01 0.000590 Page 263 of 335 837.00 0.01 0.000577 838.00 0.01 0.000565 839.00 0.01 0.000555 840.00 0.01 0.000546 841.00 0.01 0.000538 842.00 0.01 0.000531 843.00 0.00 0.000524 844.00 0.00 0.000519 845.00 0.00 0.000514 846.00 0.00 0.000510 847.00 0.00 0.000506 848.00 0.00 0.000502 849.00 0.00 0.000499 850.00 0.00 0.000496 851.00 0.00 0.000494 852.00 0.00 0.000492 853.00 0.00 0.000490 854.00 0.00 0.000488 855.00 0.00 0.000487 856.00 0.00 0.000486 Channel Analysis: Basin #18 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.2940 ft/ft Manning's n: 0.0350 Flow 10.8900 cfs Result Parameters Depth 0.3083 ft Area of Flow 1.2099 ft^2 Wetted Perimeter 4.9497 ft Hydraulic Radius 0.2444 ft Page 264 of 335 Average Velocity 9.0004 ft/s Top Width 4.8497 ft Fronde Number: 3.1755 Critical Depth 0.6029 ft Critical Velocity 3.7559 ft/s Critical Slope: 0.0244 ft/ft Critical Top Width 6.62 ft Calculated Max Shear Stress 5.6555 lb/ft^2 Calculated Avg Shear Stress 4.4845 lb/ft^2 Channel Lining Analysis: Basin #18 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 8 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 lb/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 Page 265 of 335 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Safety Factor: 1 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 4.48451 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 5.65555 lb/ft^2 Effective Shear Stress: 0.0664139 lb/ft^2 Permissible Shear Stress on RECP: 7.25961 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 The channel is stable Channel Summary Name of Selected Channel: Basin #18 Channel Analysis Page 266 of 335 267 of 335 Detention Basin Analysis: Basin #19 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 7.5000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 268 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.07 11.76 5.00 0.10 38.47 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 2.203 cfs, Time to Peak: 711.00 (min), Total Inflow Volume: 3011.37 ft^ 3 Time (min) Discharge cfs 614.00 0.03 615.00 0.03 616.00 0.03 617.00 0.03 618.00 0.03 619.00 0.03 620.00 0.03 621.00 0.03 622.00 0.04 623.00 0.04 624.00 0.04 625.00 0.04 626.00 0.04 627.00 0.04 628.00 0.04 629.00 0.04 630.00 0.04 631.00 0.04 632.00 0.04 633.00 0.04 634.00 0.04 635.00 0.04 636.00 0.04 637.00 0.04 638.00 0.04 639.00 US 640.00 0.05 641.00 0.05 642.00 0.05 643.00 0.05 644.00 0.05 645.00 0.05 646.00 0.05 Page 269 of 335 647.00 0.05 648.00 0.05 649.00 0.05 650.00 0.06 651.00 0.06 652.00 0.06 653.00 0.06 654.00 0.06 655.00 0.06 656.00 0.06 657.00 0.06 658.00 0.06 659.00 0.06 660.00 0.06 661.00 0.07 662.00 0.07 663.00 0.07 664.00 0.07 665.00 0.07 666.00 0.07 667.00 0.07 668.00 0.08 669.00 0.08 670.00 0.08 671.00 0.08 672.00 0.08 673.00 0.09 674.00 0.09 675.00 0.09 676.00 0.10 677.00 0.10 678.00 0.10 679.00 0.10 680.00 0.10 681.00 0.11 682.00 0.11 683.00 0.11 684.00 0.11 685.00 0.12 686.00 0.12 687.00 0.12 688.00 0.12 689.00 0.12 690.00 0.13 691.00 0.17 692.00 0.23 693.00 0.26 694.00 0.27 695.00 0.27 696.00 0.28 Page 270 of 335 697.00 0.40 698.00 0.52 699.00 0.57 700.00 0.59 701.00 0.60 702.00 0.61 703.00 0.80 704.00 0.98 705.00 1.03 706.00 1.06 707.00 1.07 708.00 1.08 709.00 1.59 710.00 1.97 711.00 2.20 712.00 1.68 713.00 1.50 714.00 1.20 715.00 0.66 716.00 1.62 717.00 1.44 718.00 1.56 719.00 1.59 720.00 1.46 721.00 0.91 722.00 0.49 723.00 0.37 724.00 0.34 725.00 0.34 726.00 0.34 727.00 0.32 728.00 0.30 729.00 0.30 730.00 0.30 731.00 0.30 732.00 0.30 733.00 0.28 734.00 0.27 735.00 0.26 736.00 0.26 737.00 0.26 738.00 0.26 739.00 0.24 740.00 0.23 741.00 0.22 742.00 0.22 743.00 0.22 744.00 0.22 745.00 0.20 746.00 0.19 Page 271 of 335 747.00 0.18 748.00 0.18 749.00 0.18 750.00 0.18 751.00 0.17 752.00 0.16 753.00 0.15 754.00 0.15 755.00 0.15 756.00 0.15 757.00 0.15 758.00 0.15 759.00 0.14 760.00 0.14 761.00 0.14 762.00 0.14 763.00 0.14 764.00 0.14 765.00 0.14 766.00 0.14 767.00 0.14 768.00 0.14 769.00 0.13 770.00 0.13 771.00 0.13 772.00 0.13 773.00 0.12 774.00 0.12 775.00 0.12 776.00 0.12 777.00 0.12 778.00 0.12 779.00 0.12 780.00 0.12 781.00 0.11 782.00 0.11 783.00 0.11 784.00 0.11 785.00 0.11 786.00 0.11 787.00 0.11 788.00 0.11 789.00 0.10 790.00 0.10 791.00 0.10 792.00 0.10 793.00 0.10 794.00 0.10 795.00 0.10 796.00 0.10 Page 272 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.10 0.10 0.10 0.10 0.10 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 Routed Hydrograph Peak Outflow Discharge: 1.357 cis, Time to Peak: 720.00 (min), Total Outflow Volume: 3090.54 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000040 616.00 0.01 0.000075 617.00 0.01 0.000106 618.00 0.01 0.000133 619.00 0.02 0.000158 620.00 0.02 0.000179 621.00 0.02 0.000199 622.00 0.02 0.000216 623.00 0.02 0.000232 624.00 0.03 0.000246 625.00 0.03 0.000259 626.00 0.03 0.000271 627.00 0.03 0.000282 628.00 0.03 0.000292 629.00 0.03 0.000302 630.00 0.03 0.000310 631.00 0.03 0.000319 632.00 0.03 0.000327 633.00 0.04 0.000335 634.00 0.04 0.000343 635.00 0.04 0.000350 636.00 0.04 0.000358 Page 273 of 335 637.00 0.04 0.000366 638.00 0.04 0.000374 639.00 0.04 0.000382 640.00 0.04 0.000390 641.00 0.04 0.000397 642.00 0.04 0.000405 643.00 0.04 0.000413 644.00 0.04 0.000421 645.00 0.05 0.000429 646.00 0.05 0.000437 647.00 0.05 0.000445 648.00 0.05 0.000452 649.00 0.05 0.000460 650.00 0.05 0.000468 651.00 0.05 0.000477 652.00 0.05 0.000485 653.00 0.05 0.000494 654.00 0.05 0.000501 655.00 0.05 0.000509 656.00 0.05 0.000517 657.00 0.06 0.000526 658.00 0.06 0.000536 659.00 0.06 0.000544 660.00 0.06 0.000552 661.00 0.06 0.000562 662.00 0.06 0.000573 663.00 0.06 0.000584 664.00 0.06 0.000596 665.00 0.06 0.000607 666.00 0.06 0.000617 667.00 0.07 0.000630 668.00 0.07 0.000645 669.00 0.07 0.000661 670.00 0.07 0.000677 671.00 0.07 0.000693 672.00 0.07 0.000707 673.00 0.08 0.000723 674.00 0.08 0.000742 675.00 0.08 0.000762 676.00 0.08 0.000782 677.00 0.08 0.000800 678.00 0.09 0.000817 679.00 0.09 0.000836 680.00 0.09 0.000857 681.00 0.09 0.000879 682.00 0.09 0.000900 683.00 0.10 0.000919 684.00 0.10 0.000937 685.00 0.10 0.000958 686.00 0.10 0.000981 Page 274 of 335 687.00 0.10 0.001005 688.00 0.11 0.001028 689.00 0.11 0.001049 690.00 0.11 0.001069 691.00 0.12 0.001143 692.00 0.13 0.001277 693.00 0.14 0.001438 694.00 0.16 0.001591 695.00 0.17 0.001727 696.00 0.19 0.001850 697.00 0.21 0.002108 698.00 0.24 0.002494 699.00 0.28 0.002895 700.00 0.32 0.003261 701.00 0.36 0.003591 702.00 0.39 0.003890 703.00 0.44 0.004394 704.00 0.50 0.005064 705.00 0.57 0.005708 706.00 0.63 0.006299 707.00 0.69 0.006825 708.00 0.74 0.007298 709.00 0.82 0.008356 710.00 0.95 0.009764 711.00 1.11 0.011276 712.00 1.22 0.011914 713.00 1.27 0.012228 714.00 1.28 0.012177 715.00 1.23 0.011731 716.00 1.22 0.012279 717.00 1.26 0.012524 718.00 1.29 0.012886 719.00 1.33 0.013244 720.00 1.36 0.013382 721.00 1.33 0.012801 722.00 1.25 0.011887 723.00 1.14 0.010835 724.00 1.03 0.009884 725.00 0.94 0.009056 726.00 0.86 0.008337 727.00 0.79 0.007695 728.00 0.72 0.007119 729.00 0.67 0.006613 730.00 0.62 0.006174 731.00 0.57 0.005794 732.00 0.54 0.005465 733.00 0.50 0.005160 734.00 0.47 0.004877 735.00 0.44 0.004624 736.00 0.42 0.004403 Page 275 of 335 737.00 0.40 0.004212 738.00 0.38 0.004047 739.00 0.36 0.003883 740.00 0.34 0.003724 741.00 0.33 0.003575 742.00 0.31 0.003445 743.00 0.30 0.003332 744.00 0.29 0.003234 745.00 0.28 0.003131 746.00 0.27 0.003023 747.00 0.26 0.002919 748.00 0.25 0.002826 749.00 0.24 0.002745 750.00 0.23 0.002675 751.00 0.22 0.002604 752.00 0.21 0.002531 753.00 0.21 0.002460 754.00 0.20 0.002396 755.00 0.19 0.002341 756.00 0.19 0.002294 757.00 0.18 0.002248 758.00 0.18 0.002206 759.00 0.17 0.002166 760.00 0.17 0.002130 761.00 0.17 0.002099 762.00 0.16 0.002073 763.00 0.16 0.002046 764.00 0.16 0.002017 765.00 0.15 0.001990 766.00 0.15 0.001967 767.00 0.15 0.001947 768.00 0.15 0.001929 769.00 0.15 0.001910 770.00 0.14 0.001888 771.00 0.14 0.001868 772.00 0.14 0.001850 773.00 0.14 0.001832 774.00 0.14 0.001817 775.00 0.13 0.001800 776.00 0.13 0.001782 777.00 0.13 0.001764 778.00 0.13 0.001746 779.00 0.13 0.001731 780.00 0.13 0.001718 781.00 0.12 0.001705 782.00 0.12 0.001690 783.00 0.12 0.001675 784.00 0.12 0.001661 785.00 0.12 0.001648 786.00 0.12 0.001638 Page 276 of 335 787.00 0.12 0.001626 788.00 0.11 0.001614 789.00 0.11 0.001603 790.00 0.11 0.001592 791.00 0.11 0.001582 792.00 0.11 0.001574 793.00 0.11 0.001564 794.00 0.11 0.001555 795.00 0.11 0.001545 796.00 0.11 0.001535 797.00 0.11 0.001527 798.00 0.10 0.001520 799.00 0.10 0.001512 800.00 0.10 0.001503 801.00 0.10 0.001494 802.00 0.10 0.001485 803.00 0.10 0.001477 804.00 0.10 0.001470 805.00 0.10 0.001463 806.00 0.10 0.001454 807.00 0.10 0.001445 808.00 0.10 0.001436 809.00 0.09 0.001428 810.00 0.09 0.001422 811.00 0.09 0.001414 812.00 0.09 0.001407 813.00 0.09 0.001399 814.00 0.09 0.001282 815.00 0.07 0.001181 816.00 0.06 0.001093 817.00 0.06 0.001017 818.00 0.05 0.000952 819.00 0.04 0.000895 820.00 0.04 0.000846 821.00 0.03 0.000803 822.00 0.03 0.000767 823.00 0.02 0.000735 824.00 0.02 0.000707 825.00 0.02 0.000684 826.00 0.01 0.000663 827.00 0.01 0.000645 828.00 0.01 0.000630 829.00 0.01 0.000617 830.00 0.01 0.000605 831.00 0.01 0.000595 832.00 0.01 0.000586 833.00 0.01 0.000579 834.00 0.00 0.000572 835.00 0.00 0.000567 836.00 0.00 0.000562 Page 277 of 335 837.00 0.00 0.000558 838.00 0.00 0.000554 839.00 0.00 0.000551 840.00 0.00 0.000548 841.00 0.00 0.000546 842.00 0.00 0.000544 843.00 0.00 0.000542 844.00 0.00 0.000541 Page 278 of 335 Pf 335 Detention Basin Analysis: Basin #20 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.5000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 7.5000 ft Weir Coefficient: 3.3670 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Page 280 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 3.15 4.00 0.07 11.76 5.00 0.10 40.47 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge:1.307 cfs, Time to Peak: 714.00 (min), Total Inflow Volume:1915.02 ft^ 3 Time (min) Discharge cfs 614.00 0.02 615.00 0.02 616.00 0.02 617.00 0.02 618.00 0.02 619.00 0.02 620.00 0.02 621.00 0.02 622.00 0.02 623.00 0.02 624.00 0.02 625.00 0.02 626.00 0.02 627.00 0.02 628.00 0.02 629.00 0.02 630.00 0.02 631.00 0.02 632.00 0.02 633.00 0.02 634.00 0.02 635.00 0.03 636.00 0.03 637.00 0.03 638.00 0.03 639.00 0.03 640.00 0.03 641.00 0.03 642.00 0.03 643.00 0.03 644.00 0.03 645.00 0.03 646.00 0.03 Page 281 of 335 647.00 0.03 648.00 0.03 649.00 0.03 650.00 0.03 651.00 0.03 652.00 0.03 653.00 0.03 654.00 0.03 655.00 0.03 656.00 0.04 657.00 0.04 658.00 0.04 659.00 0.04 660.00 0.04 661.00 0.04 662.00 0.04 663.00 0.04 664.00 0.04 665.00 0.04 666.00 0.04 667.00 0.04 668.00 0.04 669.00 0.05 670.00 0.05 671.00 0.05 672.00 0.05 673.00 0.05 674.00 0.05 675.00 0.05 676.00 0.05 677.00 0.06 678.00 0.06 679.00 0.06 680.00 0.06 681.00 0.06 682.00 0.06 683.00 0.06 684.00 0.06 685.00 0.07 686.00 0.07 687.00 0.07 688.00 0.07 689.00 0.07 690.00 0.07 691.00 0.09 692.00 0.11 693.00 0.13 694.00 0.15 695.00 0.16 696.00 0.16 Page 282 of 335 697.00 0.20 698.00 0.25 699.00 0.30 700.00 0.33 701.00 0.34 702.00 0.35 703.00 0.41 704.00 0.50 705.00 0.58 706.00 0.61 707.00 0.63 708.00 0.64 709.00 0.83 710.00 1.07 711.00 1.20 712.00 1.25 713.00 1.28 714.00 1.31 715.00 1.17 716.00 1.02 717.00 0.96 718.00 0.95 719.00 0.96 720.00 0.96 721.00 0.70 722.00 0.45 723.00 0.31 724.00 0.24 725.00 0.22 726.00 0.21 727.00 0.20 728.00 0.19 729.00 0.18 730.00 0.18 731.00 0.18 732.00 0.18 733.00 0.17 734.00 0.17 735.00 0.16 736.00 0.16 737.00 0.16 738.00 0.15 739.00 0.15 740.00 0.14 741.00 0.14 742.00 0.13 743.00 0.13 744.00 0.13 745.00 0.13 746.00 0.12 Page 283 of 335 747.00 0.11 748.00 0.11 749.00 0.11 750.00 0.11 751.00 0.10 752.00 0.10 753.00 0.10 754.00 0.09 755.00 0.09 756.00 0.09 757.00 0.09 758.00 0.09 759.00 0.09 760.00 0.09 761.00 0.09 762.00 0.09 763.00 0.09 764.00 0.08 765.00 0.08 766.00 0.08 767.00 0.08 768.00 0.08 769.00 0.08 770.00 0.08 771.00 0.08 772.00 0.08 773.00 0.07 774.00 0.07 775.00 0.07 776.00 0.07 777.00 0.07 778.00 0.07 779.00 0.07 780.00 0.07 781.00 0.07 782.00 0.07 783.00 0.07 784.00 0.07 785.00 0.07 786.00 0.07 787.00 0.07 788.00 0.06 789.00 0.06 790.00 0.06 791.00 0.06 792.00 0.06 793.00 0.06 794.00 0.06 795.00 0.06 796.00 0.06 Page 284 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.05 0.05 0.05 Routed Hydrograph Peak Outflow Discharge: 0.939 cfs, Time to Peak: 720.00 (min), Total Outflow Volume: 1961.08 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000023 616.00 0.00 0.000044 617.00 0.01 0.000062 618.00 0.01 0.000078 619.00 0.01 0.000092 620.00 0.01 0.000105 621.00 0.01 0.000116 622.00 0.01 0.000126 623.00 0.01 0.000136 624.00 0.02 0.000144 625.00 0.02 0.000152 626.00 0.02 0.000158 627.00 0.02 0.000165 628.00 0.02 0.000171 629.00 0.02 0.000176 630.00 0.02 0.000181 631.00 0.02 0.000186 632.00 0.02 0.000191 633.00 0.02 0.000195 634.00 0.02 0.000200 635.00 0.02 0.000204 636.00 0.02 0.000209 Page 285 of 335 637.00 0.02 0.000213 638.00 0.02 0.000217 639.00 0.02 0.000221 640.00 0.02 0.000226 641.00 0.02 0.000230 642.00 0.02 0.000234 643.00 0.03 0.000238 644.00 0.03 0.000243 645.00 0.03 0.000247 646.00 0.03 0.000252 647.00 0.03 0.000257 648.00 0.03 0.000262 649.00 0.03 0.000266 650.00 0.03 0.000270 651.00 0.03 0.000274 652.00 0.03 0.000279 653.00 0.03 0.000284 654.00 0.03 0.000289 655.00 0.03 0.000293 656.00 0.03 0.000298 657.00 0.03 0.000303 658.00 0.03 0.000308 659.00 0.03 0.000314 660.00 0.03 0.000319 661.00 0.03 0.000324 662.00 0.03 0.000330 663.00 0.04 0.000337 664.00 0.04 0.000344 665.00 0.04 0.000350 666.00 0.04 0.000356 667.00 0.04 0.000363 668.00 0.04 0.000371 669.00 0.04 0.000379 670.00 0.04 0.000388 671.00 0.04 0.000397 672.00 0.04 0.000406 673.00 0.04 0.000416 674.00 0.04 0.000426 675.00 0.05 0.000436 676.00 0.05 0.000447 677.00 0.05 0.000457 678.00 0.05 0.000467 679.00 0.05 0.000478 680.00 0.05 0.000489 681.00 0.05 0.000501 682.00 0.05 0.000513 683.00 0.05 0.000526 684.00 0.06 0.000537 685.00 0.06 0.000549 686.00 0.06 0.000562 Page 286 of 335 687.00 0.06 0.000574 688.00 0.06 0.000588 689.00 0.06 0.000601 690.00 0.06 0.000613 691.00 0.07 0.000642 692.00 0.07 0.000696 693.00 0.08 0.000772 694.00 0.09 0.000859 695.00 0.09 0.000944 696.00 0.10 0.001023 697.00 0.11 0.001139 698.00 0.13 0.001308 699.00 0.15 0.001520 700.00 0.17 0.001740 701.00 0.19 0.001946 702.00 0.21 0.002132 703.00 0.24 0.002378 704.00 0.27 0.002699 705.00 0.30 0.003078 706.00 0.34 0.003446 707.00 0.38 0.003785 708.00 0.41 0.004096 709.00 0.46 0.004613 710.00 0.52 0.005366 711.00 0.61 0.006182 712.00 0.69 0.006952 713.00 0.77 0.007658 714.00 0.84 0.008303 715.00 0.89 0.008683 716.00 0.92 0.008817 717.00 0.93 0.008862 718.00 0.93 0.008891 719.00 0.94 0.008922 720.00 0.94 0.008957 721.00 0.93 0.008807 722.00 0.88 0.008361 723.00 0.81 0.007720 724.00 0.74 0.007036 725.00 0.67 0.006413 726.00 0.61 0.005863 727.00 0.55 0.005377 728.00 0.51 0.004946 729.00 0.46 0.004563 730.00 0.43 0.004226 731.00 0.39 0.003933 732.00 0.36 0.003678 733.00 0.34 0.003452 734.00 0.32 0.003248 735.00 0.30 0.003063 736.00 0.28 0.002898 Page 287 of 335 737.00 0.26 0.002754 738.00 0.25 0.002628 739.00 0.23 0.002513 740.00 0.22 0.002405 741.00 0.21 0.002305 742.00 0.20 0.002212 743.00 0.19 0.002130 744.00 0.18 0.002059 745.00 0.18 0.001991 746.00 0.17 0.001923 747.00 0.16 0.001857 748.00 0.16 0.001794 749.00 0.15 0.001737 750.00 0.14 0.001687 751.00 0.14 0.001640 752.00 0.13 0.001593 753.00 0.13 0.001550 754.00 0.12 0.001508 755.00 0.12 0.001469 756.00 0.12 0.001436 757.00 0.11 0.001406 758.00 0.11 0.001377 759.00 0.11 0.001351 760.00 0.10 0.001327 761.00 0.10 0.001305 762.00 0.10 0.001286 763.00 0.10 0.001268 764.00 0.10 0.001250 765.00 0.09 0.001234 766.00 0.09 0.001218 767.00 0.09 0.001204 768.00 0.09 0.001191 769.00 0.09 0.001179 770.00 0.09 0.001166 771.00 0.09 0.001155 772.00 0.08 0.001143 773.00 0.08 0.001132 774.00 0.08 0.001122 775.00 0.08 0.001112 776.00 0.08 0.001103 777.00 0.08 0.001092 778.00 0.08 0.001082 779.00 0.08 0.001073 780.00 0.08 0.001063 781.00 0.07 0.001055 782.00 0.07 0.001047 783.00 0.07 0.001038 784.00 0.07 0.001030 785.00 0.07 0.001021 786.00 0.07 0.001013 Page 288 of 335 787.00 0.07 0.001007 788.00 0.07 0.001000 789.00 0.07 0.000992 790.00 0.07 0.000986 791.00 0.07 0.000979 792.00 0.07 0.000973 793.00 0.07 0.000968 794.00 0.07 0.000963 795.00 0.06 0.000957 796.00 0.06 0.000951 797.00 0.06 0.000945 798.00 0.06 0.000940 799.00 0.06 0.000936 800.00 0.06 0.000931 801.00 0.06 0.000925 802.00 0.06 0.000920 803.00 0.06 0.000914 804.00 0.06 0.000910 805.00 0.06 0.000905 806.00 0.06 0.000901 807.00 0.06 0.000896 808.00 0.06 0.000891 809.00 0.06 0.000887 810.00 0.06 0.000882 811.00 0.06 0.000878 812.00 0.06 0.000873 813.00 0.06 0.000869 814.00 0.05 0.000798 815.00 0.04 0.000737 816.00 0.04 0.000684 817.00 0.03 0.000638 818.00 0.03 0.000599 819.00 0.02 0.000565 820.00 0.02 0.000535 821.00 0.02 0.000510 822.00 0.02 0.000488 823.00 0.01 0.000468 824.00 0.01 0.000452 825.00 0.01 0.000438 826.00 0.01 0.000425 827.00 0.01 0.000414 828.00 0.01 0.000405 829.00 0.01 0.000397 830.00 0.01 0.000390 831.00 0.00 0.000384 832.00 0.00 0.000379 833.00 0.00 0.000375 834.00 0.00 0.000371 835.00 0.00 0.000367 836.00 0.00 0.000364 Page 289 of 335 837.00 0.00 0.000362 838.00 0.00 0.000360 839.00 0.00 0.000358 840.00 0.00 0.000356 841.00 0.00 0.000355 842.00 0.00 0.000354 843.00 0.00 0.000352 844.00 0.00 0.000352 845.00 0.00 0.000351 Channel Analysis: Basin #20 Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.2500 ft/ft Manning's n: 0.0350 Flow 11.7600 cfs Result Parameters Depth 0.3365 ft Area of Flow 1.3493 ft^2 Wetted Perimeter 5.1284 ft Hydraulic Radius 0.2631 ft Average Velocity 8.7154 ft/s Top Width 5.0192 ft Fronde Number: 2.9622 Critical Depth 0.6293 ft Critical Velocity 3.8232 ft/s Critical Slope: 0.0242 ft/ft Page 290 of 335 Critical Top Width 6.78 ft Calculated Max Shear Stress 5.2498 lb/ft^2 Calculated Avg Shear Stress 4.1045 lb/ft^2 Channel Lining Analysis: Basin #20 Channel Lining Design Analysis Notes: Lining Input Parameters Channel Lining Type: Rolled Erosion Control Product Shear Stress on RECP that results in 0.5 in of erosion: 9 lb/ft^2 See https://highways.dotgov/federal-lands/specs refer to FLH FP 14, Table 713-3 or 713-4 to get this value Manning's n value input as user -supplied n RECP is an open weave textile Manning's n: 0.035 Manning's n range: 0.022-0.028 Specific Weight of Water: 62.4 Ib/ft^3 soil is cohesive Soil Class is SC: Clayey sands, sand -clay mixtures Plasticity Index: 24 Void Ratio: 0.5 Cl: 0 C2: 0 C3: 0.076 C4: 1.42 C5: -0.61 C6: 1 Safety Factor: 1.5 Page 291 of 335 Lining Results Permissible Soil Shear Stress: 0.0944851 lb/ft^2 Mean Boundary Shear Stress: 4.10454 lb/ft^2 Maximum Shear Stress on the Channel Bottom: 5.24984 lb/ft^2 Effective Shear Stress: 0.0491061 lb/ft^2 Permissible Shear Stress on RECP: 8.16707 lb/ft^2 This value is compared with the maximum shear stress times the safety factor to determine lining stability This value is compared with the maximum shear stress times the safety factor to determine lining stability Channel bottom is stable Channel Lining Stability Results 2 The channel is stable Channel Summary Name of Selected Channel: Basin 420 Channel Analysls Page 292 of 335 293 of 335 0 Detention Basin Analysis: Basin #21 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter: 0.8300 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 13.0000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 294 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 4.34 4.00 0.07 13.82 5.00 0.10 57.90 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 1.414 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 2056.59 ft^ 3 Time (min) Discharge cfs 614.00 0.02 615.00 0.02 616.00 0.02 617.00 0.02 618.00 0.02 619.00 0.02 620.00 0.02 621.00 0.02 622.00 0.02 623.00 0.02 624.00 0.02 625.00 0.02 626.00 0.02 627.00 0.02 628.00 0.02 629.00 0.02 630.00 0.02 631.00 0.02 632.00 0.03 633.00 0.03 634.00 0.03 635.00 0.03 636.00 0.03 637.00 0.03 638.00 0.03 639.00 0.03 640.00 0.03 641.00 0.03 642.00 0.03 643.00 0.03 644.00 0.03 645.00 0.03 646.00 0.03 Page 295 of 335 647.00 0.03 648.00 0.03 649.00 0.03 650.00 0.03 651.00 0.04 652.00 0.04 653.00 0.04 654.00 0.04 655.00 0.04 656.00 0.04 657.00 0.04 658.00 0.04 659.00 0.04 660.00 0.04 661.00 0.04 662.00 0.04 663.00 0.04 664.00 0.04 665.00 0.04 666.00 0.04 667.00 0.05 668.00 0.05 669.00 0.05 670.00 0.05 671.00 0.05 672.00 0.05 673.00 0.05 674.00 0.06 675.00 0.06 676.00 0.06 677.00 0.06 678.00 0.06 679.00 0.06 680.00 0.06 681.00 0.07 682.00 0.07 683.00 0.07 684.00 0.07 685.00 0.07 686.00 0.07 687.00 0.07 688.00 0.08 689.00 0.08 690.00 0.08 691.00 0.10 692.00 0.14 693.00 0.16 694.00 0.16 695.00 0.17 696.00 0.17 Page 296 of 335 697.00 0.23 698.00 0.30 699.00 0.34 700.00 0.36 701.00 0.37 702.00 0.38 703.00 0.49 704.00 0.58 705.00 0.63 706.00 0.66 707.00 0.67 708.00 0.69 709.00 1.02 710.00 1.24 711.00 1.31 712.00 1.35 713.00 1.39 714.00 1.41 715.00 1.17 716.00 1.06 717.00 1.04 718.00 1.04 719.00 1.05 720.00 1.05 721.00 0.62 722.00 0.39 723.00 0.28 724.00 0.24 725.00 0.23 726.00 0.23 727.00 0.21 728.00 0.20 729.00 0.20 730.00 0.20 731.00 0.19 732.00 0.19 733.00 0.18 734.00 0.17 735.00 0.17 736.00 0.17 737.00 0.17 738.00 0.17 739.00 0.16 740.00 0.15 741.00 0.14 742.00 0.14 743.00 0.14 744.00 0.14 745.00 0.13 746.00 0.12 Page 297 of 335 747.00 0.12 748.00 0.12 749.00 0.12 750.00 0.12 751.00 0.11 752.00 0.10 753.00 0.10 754.00 0.10 755.00 0.10 756.00 0.10 757.00 0.10 758.00 0.10 759.00 0.09 760.00 0.09 761.00 0.09 762.00 0.09 763.00 0.09 764.00 0.09 765.00 0.09 766.00 0.09 767.00 0.09 768.00 0.09 769.00 0.08 770.00 0.08 771.00 0.08 772.00 0.08 773.00 0.08 774.00 0.08 775.00 0.08 776.00 0.08 777.00 0.07 778.00 0.07 779.00 0.07 780.00 0.07 781.00 0.07 782.00 0.07 783.00 0.07 784.00 0.07 785.00 0.07 786.00 0.07 787.00 0.07 788.00 0.07 789.00 0.07 790.00 0.07 791.00 0.07 792.00 0.07 793.00 0.07 794.00 0.06 795.00 0.06 796.00 0.06 Page 298 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.05 Routed Hydrograph Peak Outflow Discharge: 1.097 cis, Time to Peak: 716.00 (min), Total Outflow Volume: 2123.13 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000024 616.00 0.01 0.000045 617.00 0.01 0.000062 618.00 0.01 0.000076 619.00 0.01 0.000088 620.00 0.01 0.000098 621.00 0.02 0.000107 622.00 0.02 0.000114 623.00 0.02 0.000121 624.00 0.02 0.000127 625.00 0.02 0.000131 626.00 0.02 0.000136 627.00 0.02 0.000140 628.00 0.02 0.000143 629.00 0.02 0.000147 630.00 0.02 0.000150 631.00 0.02 0.000153 632.00 0.02 0.000156 633.00 0.02 0.000159 634.00 0.02 0.000163 635.00 0.02 0.000165 636.00 0.02 0.000168 Page 299 of 335 637.00 0.02 0.000171 638.00 0.03 0.000175 639.00 0.03 0.000178 640.00 0.03 0.000182 641.00 0.03 0.000185 642.00 0.03 0.000188 643.00 0.03 0.000191 644.00 0.03 0.000195 645.00 0.03 0.000198 646.00 0.03 0.000202 647.00 0.03 0.000205 648.00 0.03 0.000208 649.00 0.03 0.000211 650.00 0.03 0.000215 651.00 0.03 0.000220 652.00 0.03 0.000224 653.00 0.03 0.000227 654.00 0.03 0.000231 655.00 0.03 0.000234 656.00 0.03 0.000237 657.00 0.03 0.000242 658.00 0.04 0.000247 659.00 0.04 0.000251 660.00 0.04 0.000254 661.00 0.04 0.000258 662.00 0.04 0.000263 663.00 0.04 0.000269 664.00 0.04 0.000275 665.00 0.04 0.000280 666.00 0.04 0.000284 667.00 0.04 0.000290 668.00 0.04 0.000298 669.00 0.04 0.000306 670.00 0.05 0.000314 671.00 0.05 0.000321 672.00 0.05 0.000328 673.00 0.05 0.000336 674.00 0.05 0.000345 675.00 0.05 0.000355 676.00 0.05 0.000364 677.00 0.05 0.000372 678.00 0.05 0.000379 679.00 0.06 0.000388 680.00 0.06 0.000398 681.00 0.06 0.000408 682.00 0.06 0.000418 683.00 0.06 0.000427 684.00 0.06 0.000435 685.00 0.06 0.000444 686.00 0.07 0.000456 Page 300 of 335 687.00 0.07 0.000467 688.00 0.07 0.000478 689.00 0.07 0.000487 690.00 0.07 0.000495 691.00 0.07 0.000537 692.00 0.08 0.000611 693.00 0.09 0.000695 694.00 0.11 0.000774 695.00 0.12 0.000843 696.00 0.13 0.000902 697.00 0.14 0.001031 698.00 0.16 0.001226 699.00 0.19 0.001431 700.00 0.22 0.001621 701.00 0.25 0.001788 702.00 0.27 0.001933 703.00 0.30 0.002200 704.00 0.34 0.002532 705.00 0.39 0.002867 706.00 0.44 0.003170 707.00 0.48 0.003438 708.00 0.51 0.003675 709.00 0.58 0.004286 710.00 0.68 0.005056 711.00 0.78 0.005785 712.00 0.88 0.006433 713.00 0.97 0.007004 714.00 1.05 0.007505 715.00 1.09 0.007604 716.00 1.10 0.007579 717.00 1.09 0.007518 718.00 1.08 0.007464 719.00 1.07 0.007429 720.00 1.07 0.007410 721.00 1.03 0.007094 722.00 0.93 0.006440 723.00 0.82 0.005693 724.00 0.72 0.005028 725.00 0.63 0.004471 726.00 0.56 0.004010 727.00 0.50 0.003619 728.00 0.45 0.003286 729.00 0.40 0.003006 730.00 0.36 0.002773 731.00 0.33 0.002581 732.00 0.31 0.002424 733.00 0.29 0.002282 734.00 0.27 0.002156 735.00 0.25 0.002044 736.00 0.24 0.001950 Page 301 of 335 737.00 0.22 0.001874 738.00 0.21 0.001810 739.00 0.20 0.001746 740.00 0.19 0.001682 741.00 0.19 0.001624 742.00 0.18 0.001574 743.00 0.17 0.001533 744.00 0.17 0.001499 745.00 0.16 0.001461 746.00 0.15 0.001417 747.00 0.15 0.001375 748.00 0.14 0.001337 749.00 0.14 0.001307 750.00 0.13 0.001281 751.00 0.13 0.001255 752.00 0.13 0.001225 753.00 0.12 0.001196 754.00 0.12 0.001171 755.00 0.11 0.001150 756.00 0.11 0.001133 757.00 0.11 0.001117 758.00 0.11 0.001101 759.00 0.10 0.001086 760.00 0.10 0.001073 761.00 0.10 0.001061 762.00 0.10 0.001052 763.00 0.10 0.001042 764.00 0.10 0.001031 765.00 0.09 0.001020 766.00 0.09 0.001012 767.00 0.09 0.001004 768.00 0.09 0.000997 769.00 0.09 0.000989 770.00 0.09 0.000980 771.00 0.09 0.000972 772.00 0.09 0.000965 773.00 0.09 0.000958 774.00 0.08 0.000952 775.00 0.08 0.000945 776.00 0.08 0.000938 777.00 0.08 0.000929 778.00 0.08 0.000922 779.00 0.08 0.000916 780.00 0.08 0.000910 781.00 0.08 0.000904 782.00 0.08 0.000897 783.00 0.08 0.000890 784.00 0.07 0.000884 785.00 0.07 0.000879 786.00 0.07 0.000875 Page 302 of 335 787.00 0.07 0.000870 788.00 0.07 0.000865 789.00 0.07 0.000860 790.00 0.07 0.000856 791.00 0.07 0.000851 792.00 0.07 0.000847 793.00 0.07 0.000843 794.00 0.07 0.000838 795.00 0.07 0.000834 796.00 0.07 0.000829 797.00 0.07 0.000825 798.00 0.07 0.000822 799.00 0.06 0.000819 800.00 0.06 0.000814 801.00 0.06 0.000809 802.00 0.06 0.000806 803.00 0.06 0.000801 804.00 0.06 0.000799 805.00 0.06 0.000795 806.00 0.06 0.000792 807.00 0.06 0.000787 808.00 0.06 0.000784 809.00 0.06 0.000781 810.00 0.06 0.000778 811.00 0.06 0.000775 812.00 0.06 0.000771 813.00 0.06 0.000766 814.00 0.05 0.000695 815.00 0.04 0.000637 816.00 0.03 0.000589 817.00 0.03 0.000550 818.00 0.02 0.000518 819.00 0.02 0.000492 820.00 0.02 0.000470 821.00 0.01 0.000453 822.00 0.01 0.000438 823.00 0.01 0.000426 824.00 0.01 0.000417 825.00 0.01 0.000409 826.00 0.00 0.000402 827.00 0.00 0.000397 828.00 0.00 0.000393 829.00 0.00 0.000389 830.00 0.00 0.000386 831.00 0.00 0.000384 832.00 0.00 0.000382 833.00 0.00 0.000380 834.00 0.00 0.000379 835.00 0.00 0.000378 836.00 0.00 0.000377 Page 303 of 335 of 335 Detention Basin Analysis: Basin #22 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 6.5000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 305 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 10.89 5.00 0.10 34.36 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 6.507 cfs, Time to Peak: 709.00 (min), Total Inflow Volume: 7050.72 ft^ 3 Time (min) Discharge cfs 614.00 0.08 615.00 0.08 616.00 0.08 617.00 0.08 618.00 0.08 619.00 0.08 620.00 0.09 621.00 0.09 622.00 0.09 623.00 0.09 624.00 0.09 625.00 0.09 626.00 0.09 627.00 0.09 628.00 0.10 629.00 0.10 630.00 0.10 631.00 0.10 632.00 0.10 633.00 0.10 634.00 0.10 635.00 0.10 636.00 0.11 637.00 0.11 638.00 0.11 639.00 0.11 640.00 0.12 641.00 0.12 642.00 0.12 643.00 0.12 644.00 0.12 645.00 0.12 646.00 0.13 Page 306 of 335 647.00 0.13 648.00 0.13 649.00 0.13 650.00 0.13 651.00 0.14 652.00 0.14 653.00 0.14 654.00 0.14 655.00 0.14 656.00 0.15 657.00 0.15 658.00 0.15 659.00 0.15 660.00 0.15 661.00 0.16 662.00 0.16 663.00 0.17 664.00 0.17 665.00 0.17 666.00 0.17 667.00 0.18 668.00 0.19 669.00 0.19 670.00 0.20 671.00 0.20 672.00 0.20 673.00 0.21 674.00 0.22 675.00 0.22 676.00 0.23 677.00 0.23 678.00 0.23 679.00 0.24 680.00 0.25 681.00 0.26 682.00 0.26 683.00 0.26 684.00 0.26 685.00 0.27 686.00 0.28 687.00 0.29 688.00 0.29 689.00 0.29 690.00 0.30 691.00 0.39 692.00 0.51 693.00 0.58 694.00 0.61 695.00 0.62 696.00 0.65 Page 307 of 335 697.00 0.86 698.00 1.48 699.00 1.85 700.00 1.20 701.00 0.91 702.00 1.03 703.00 1.78 704.00 2.17 705.00 1.90 706.00 1.53 707.00 2.76 708.00 1.75 709.00 6.51 710.00 3.89 711.00 4.29 712.00 3.94 713.00 4.42 714.00 4.62 715.00 3.17 716.00 2.67 717.00 3.25 718.00 2.26 719.00 2.88 720.00 3.36 721.00 3.17 722.00 1.73 723.00 0.97 724.00 0.74 725.00 0.65 726.00 0.62 727.00 0.57 728.00 0.57 729.00 0.57 730.00 0.62 731.00 0.64 732.00 0.66 733.00 0.63 734.00 0.63 735.00 0.62 736.00 0.60 737.00 0.58 738.00 0.60 739.00 0.57 740.00 0.52 741.00 0.52 742.00 0.50 743.00 0.50 744.00 0.50 745.00 0.47 746.00 0.44 Page 308 of 335 747.00 0.42 748.00 0.41 749.00 0.41 750.00 0.41 751.00 0.39 752.00 0.37 753.00 0.36 754.00 0.35 755.00 0.35 756.00 0.35 757.00 0.34 758.00 0.34 759.00 0.33 760.00 0.33 761.00 0.33 762.00 0.33 763.00 0.32 764.00 0.32 765.00 0.31 766.00 0.31 767.00 0.31 768.00 0.31 769.00 0.30 770.00 0.30 771.00 0.29 772.00 0.29 773.00 0.29 774.00 0.29 775.00 0.28 776.00 0.28 777.00 0.27 778.00 0.27 779.00 0.27 780.00 0.27 781.00 0.26 782.00 0.26 783.00 0.25 784.00 0.25 785.00 0.25 786.00 0.25 787.00 0.25 788.00 0.24 789.00 0.24 790.00 0.24 791.00 0.24 792.00 0.24 793.00 0.24 794.00 0.23 795.00 0.23 796.00 0.23 Page 309 of 335 797.00 0.23 798.00 0.23 799.00 0.23 800.00 0.22 801.00 0.22 802.00 0.22 803.00 0.22 804.00 0.22 805.00 0.21 806.00 0.21 807.00 0.21 808.00 0.21 809.00 0.20 810.00 0.20 811.00 0.20 812.00 0.20 813.00 0.20 Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters Routed Hydrograph Peak Outflow Discharge: 3.415 cis, Time to Peak: 715.00 (min), Total Outflow Volume: 7222.84 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.01 0.000103 616.00 0.02 0.000196 617.00 0.02 0.000279 618.00 0.03 0.000354 619.00 0.04 0.000422 620.00 0.04 0.000484 621.00 0.05 0.000540 622.00 0.05 0.000592 623.00 0.06 0.000639 624.00 0.06 0.000682 625.00 0.06 0.000721 626.00 0.07 0.000758 627.00 0.07 0.000793 628.00 0.07 0.000824 629.00 0.08 0.000854 630.00 0.08 0.000881 631.00 0.08 0.000908 632.00 0.08 0.000934 633.00 0.08 0.000958 634.00 0.09 0.000982 635.00 0.09 0.001005 636.00 0.09 0.001027 Page 310 of 335 637.00 0.09 0.001049 638.00 0.09 0.001071 639.00 0.10 0.001094 640.00 0.10 0.001117 641.00 0.10 0.001138 642.00 0.10 0.001159 643.00 0.10 0.001180 644.00 0.11 0.001202 645.00 0.11 0.001224 646.00 0.11 0.001246 647.00 0.11 0.001268 648.00 0.11 0.001289 649.00 0.12 0.001311 650.00 0.12 0.001333 651.00 0.12 0.001357 652.00 0.12 0.001381 653.00 0.12 0.001403 654.00 0.13 0.001426 655.00 0.13 0.001448 656.00 0.13 0.001472 657.00 0.13 0.001497 658.00 0.13 0.001522 659.00 0.14 0.001546 660.00 0.14 0.001569 661.00 0.14 0.001595 662.00 0.14 0.001624 663.00 0.15 0.001655 664.00 0.15 0.001686 665.00 0.15 0.001716 666.00 0.15 0.001744 667.00 0.16 0.001777 668.00 0.16 0.001815 669.00 0.16 0.001858 670.00 0.17 0.001901 671.00 0.17 0.001942 672.00 0.17 0.001980 673.00 0.18 0.002022 674.00 0.18 0.002070 675.00 0.19 0.002121 676.00 0.19 0.002172 677.00 0.19 0.002220 678.00 0.20 0.002266 679.00 0.20 0.002316 680.00 0.21 0.002371 681.00 0.21 0.002429 682.00 0.22 0.002486 683.00 0.22 0.002539 684.00 0.23 0.002589 685.00 0.23 0.002643 686.00 0.24 0.002702 Page 311 of 335 687.00 0.24 0.002764 688.00 0.25 0.002824 689.00 0.25 0.002881 690.00 0.26 0.002934 691.00 0.27 0.003105 692.00 0.29 0.003414 693.00 0.32 0.003779 694.00 0.35 0.004133 695.00 0.38 0.004459 696.00 0.41 0.004787 697.00 0.45 0.005358 698.00 0.53 0.006664 699.00 0.66 0.008304 700.00 0.76 0.008903 701.00 0.79 0.009067 702.00 0.81 0.009361 703.00 0.88 0.010597 704.00 1.01 0.012193 705.00 1.12 0.013259 706.00 1.19 0.013727 707.00 1.30 0.015733 708.00 1.41 0.016203 709.00 1.72 0.022794 710.00 2.12 0.025238 711.00 2.35 0.027914 712.00 2.55 0.029833 713.00 2.84 0.032013 714.00 3.26 0.033885 715.00 3.41 0.033725 716.00 3.29 0.033127 717.00 3.21 0.033183 718.00 3.10 0.032180 719.00 2.97 0.032065 720.00 3.00 0.032551 721.00 3.07 0.032696 722.00 2.92 0.031300 723.00 2.59 0.029362 724.00 2.39 0.027108 725.00 2.20 0.024980 726.00 2.02 0.023053 727.00 1.86 0.021289 728.00 1.71 0.019722 729.00 1.58 0.018330 730.00 1.47 0.017161 731.00 1.37 0.016157 732.00 1.29 0.015287 733.00 1.21 0.014487 734.00 1.15 0.013773 735.00 1.09 0.013135 736.00 1.03 0.012546 Page 312 of 335 737.00 0.98 0.011994 738.00 0.94 0.011524 739.00 0.90 0.011078 740.00 0.86 0.010609 741.00 0.82 0.010193 742.00 0.78 0.009805 743.00 0.75 0.009463 744.00 0.72 0.009158 745.00 0.69 0.008844 746.00 0.67 0.008530 747.00 0.64 0.008228 748.00 0.61 0.007950 749.00 0.59 0.007701 750.00 0.57 0.007477 751.00 0.55 0.007257 752.00 0.53 0.007036 753.00 0.51 0.006825 754.00 0.49 0.006631 755.00 0.48 0.006457 756.00 0.46 0.006303 757.00 0.45 0.006158 758.00 0.44 0.006020 759.00 0.43 0.005893 760.00 0.41 0.005778 761.00 0.41 0.005674 762.00 0.40 0.005583 763.00 0.39 0.005493 764.00 0.38 0.005405 765.00 0.37 0.005321 766.00 0.37 0.005244 767.00 0.36 0.005174 768.00 0.35 0.005113 769.00 0.35 0.005051 770.00 0.34 0.004986 771.00 0.34 0.004923 772.00 0.33 0.004866 773.00 0.33 0.004814 774.00 0.32 0.004766 775.00 0.32 0.004716 776.00 0.31 0.004663 777.00 0.31 0.004611 778.00 0.30 0.004562 779.00 0.30 0.004516 780.00 0.30 0.004475 781.00 0.29 0.004434 782.00 0.29 0.004390 783.00 0.29 0.004346 784.00 0.28 0.004305 785.00 0.28 0.004268 786.00 0.27 0.004235 Page 313 of 335 787.00 0.27 0.004201 788.00 0.27 0.004166 789.00 0.27 0.004132 790.00 0.26 0.004100 791.00 0.26 0.004072 792.00 0.26 0.004046 793.00 0.26 0.004019 794.00 0.25 0.003991 795.00 0.25 0.003963 796.00 0.25 0.003936 797.00 0.25 0.003911 798.00 0.24 0.003889 799.00 0.24 0.003866 800.00 0.24 0.003841 801.00 0.24 0.003816 802.00 0.24 0.003792 803.00 0.23 0.003769 804.00 0.23 0.003749 805.00 0.23 0.003728 806.00 0.23 0.003703 807.00 0.23 0.003679 808.00 0.22 0.003655 809.00 0.22 0.003633 810.00 0.22 0.003613 811.00 0.22 0.003593 812.00 0.22 0.003571 813.00 0.21 0.003548 814.00 0.20 0.003271 815.00 0.18 0.003027 816.00 0.16 0.002810 817.00 0.14 0.002618 818.00 0.12 0.002448 819.00 0.11 0.002298 820.00 0.10 0.002165 821.00 0.09 0.002047 822.00 0.08 0.001942 823.00 0.07 0.001850 824.00 0.06 0.001768 825.00 0.05 0.001696 826.00 0.05 0.001631 827.00 0.04 0.001575 828.00 0.04 0.001524 829.00 0.03 0.001480 830.00 0.03 0.001440 831.00 0.03 0.001405 832.00 0.02 0.001375 833.00 0.02 0.001347 834.00 0.02 0.001323 835.00 0.02 0.001302 836.00 0.01 0.001283 Page 314 of 335 837.00 0.01 0.001266 838.00 0.01 0.001251 839.00 0.01 0.001238 840.00 0.01 0.001226 841.00 0.01 0.001216 842.00 0.01 0.001206 843.00 0.01 0.001198 844.00 0.01 0.001191 845.00 0.00 0.001185 846.00 0.00 0.001179 847.00 0.00 0.001174 848.00 0.00 0.001170 Page 315 of 335 Detention Basin Analysis: Basin #23 Notes: Storage Input Parameters Storage Capacity: Known volume Elevation ft Volume acre-ft 0.00 0.00 2.00 0.03 4.00 0.07 5.00 0.10 Discharge Input Parameters Standpipe: lyr Storm Orifice Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient: 0.4200 Height above base: 1.0000 ft Base Elevation: 0.0000 ft Standpipe: 10yr Storm Spillway Pipe Pipe Diameter:1.0000 ft Weir Coefficient: 3.3300 Orifice Coefficient:1.0000 Height above base: 3.0000 ft Base Elevation: 0.0000 ft Weir: Emergency Spillway Weir Length: 6.5000 ft Weir Coefficient: 3.1000 Height above base: 4.0000 ft Base Elevation: 0.0000 ft Page 317 of 335 Storage & Discharge Input Parameters Elevation - Storage - Discharge Elevation ft Storage acre-ft Discharge cfs 0.00 0.00 0.00 2.00 0.03 2.65 4.00 0.07 10.89 5.00 0.10 34.36 Detention Basin Input Parameters Inflow Hydrograph Peak Inflow Discharge: 2.719 cfs, Time to Peak: 714.00 (min), Total Inflow Volume: 4179.87 ft^ 3 Time (min) Discharge cfs 614.00 0.04 615.00 0.04 616.00 0.04 617.00 0.04 618.00 0.04 619.00 0.04 620.00 0.04 621.00 0.04 622.00 0.04 623.00 US 624.00 0.05 625.00 0.05 626.00 0.05 627.00 0.05 628.00 0.05 629.00 0.05 630.00 0.05 631.00 0.05 632.00 0.05 633.00 0.05 634.00 0.05 635.00 0.05 636.00 0.06 637.00 0.06 638.00 0.06 639.00 0.06 640.00 0.06 641.00 0.06 642.00 0.06 643.00 0.06 644.00 0.06 645.00 0.07 646.00 0.07 Page 318 of 335 647.00 0.07 648.00 0.07 649.00 0.07 650.00 0.07 651.00 0.07 652.00 0.07 653.00 0.07 654.00 0.07 655.00 0.08 656.00 0.08 657.00 0.08 658.00 0.08 659.00 0.09 660.00 0.09 661.00 0.08 662.00 0.09 663.00 0.09 664.00 0.09 665.00 0.09 666.00 0.09 667.00 0.10 668.00 0.10 669.00 0.10 670.00 0.10 671.00 0.11 672.00 0.11 673.00 0.11 674.00 0.11 675.00 0.12 676.00 0.12 677.00 0.12 678.00 0.12 679.00 0.13 680.00 0.13 681.00 0.14 682.00 0.14 683.00 0.14 684.00 0.14 685.00 0.15 686.00 0.15 687.00 0.15 688.00 0.16 689.00 0.16 690.00 0.16 691.00 0.18 692.00 0.21 693.00 0.26 694.00 0.29 695.00 0.31 696.00 0.32 Page 319 of 335 697.00 0.38 698.00 0.48 699.00 0.58 700.00 0.64 701.00 0.67 702.00 0.72 703.00 0.82 704.00 1.00 705.00 1.13 706.00 1.21 707.00 1.28 708.00 1.33 709.00 1.64 710.00 2.13 711.00 2.40 712.00 2.55 713.00 2.66 714.00 2.72 715.00 2.51 716.00 2.26 717.00 2.15 718.00 2.15 719.00 2.12 720.00 2.11 721.00 1.66 722.00 1.16 723.00 0.89 724.00 0.71 725.00 0.61 726.00 0.57 727.00 0.52 728.00 0.48 729.00 0.46 730.00 0.43 731.00 0.43 732.00 0.40 733.00 0.40 734.00 0.37 735.00 0.35 736.00 0.36 737.00 0.34 738.00 0.33 739.00 0.34 740.00 0.32 741.00 0.30 742.00 0.30 743.00 0.29 744.00 0.28 745.00 0.29 746.00 0.27 Page 320 of 335 747.00 0.26 748.00 0.25 749.00 0.24 750.00 0.24 751.00 0.24 752.00 0.23 753.00 0.22 754.00 0.22 755.00 0.21 756.00 0.21 757.00 0.21 758.00 0.20 759.00 0.20 760.00 0.20 761.00 0.20 762.00 0.20 763.00 0.19 764.00 0.19 765.00 0.19 766.00 0.19 767.00 0.18 768.00 0.18 769.00 0.18 770.00 0.18 771.00 0.18 772.00 0.17 773.00 0.17 774.00 0.17 775.00 0.17 776.00 0.17 777.00 0.17 778.00 0.16 779.00 0.16 780.00 0.16 781.00 0.16 782.00 0.16 783.00 0.15 784.00 0.15 785.00 0.15 786.00 0.15 787.00 0.15 788.00 0.15 789.00 0.15 790.00 0.15 791.00 0.14 792.00 0.14 793.00 0.14 794.00 0.14 795.00 0.14 796.00 0.14 Page 321 of 335 797.00 798.00 799.00 800.00 801.00 802.00 803.00 804.00 805.00 806.00 807.00 808.00 809.00 810.00 811.00 812.00 813.00 I Initial Storage = 0.0000 acre-ft Detention Basin Result Parameters 0.14 0.14 0.14 0.14 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.12 0.12 0.12 0.12 0.12 Routed Hydrograph Peak Outflow Discharge: 1.915 cis, Time to Peak: 720.00 (min), Total Outflow Volume: 4267.25 ft^3 Time min Discharge cfs Storage acre-ft 0.00 0.00 0.000000 615.00 0.00 0.000052 616.00 0.01 0.000099 617.00 0.01 0.000141 618.00 0.02 0.000180 619.00 0.02 0.000214 620.00 0.02 0.000245 621.00 0.02 0.000274 622.00 0.03 0.000300 623.00 0.03 0.000325 624.00 0.03 0.000347 625.00 0.03 0.000368 626.00 0.03 0.000387 627.00 0.04 0.000404 628.00 0.04 0.000421 629.00 0.04 0.000437 630.00 0.04 0.000452 631.00 0.04 0.000466 632.00 0.04 0.000479 633.00 0.04 0.000492 634.00 0.04 0.000505 635.00 0.05 0.000518 636.00 0.05 0.000529 Page 322 of 335 637.00 0.05 0.000541 638.00 0.05 0.000552 639.00 0.05 0.000563 640.00 0.05 0.000575 641.00 0.05 0.000586 642.00 0.05 0.000598 643.00 0.05 0.000609 644.00 0.05 0.000620 645.00 0.06 0.000633 646.00 0.06 0.000646 647.00 0.06 0.000658 648.00 0.06 0.000670 649.00 0.06 0.000682 650.00 0.06 0.000694 651.00 0.06 0.000708 652.00 0.06 0.000721 653.00 0.06 0.000734 654.00 0.07 0.000746 655.00 0.07 0.000760 656.00 0.07 0.000775 657.00 0.07 0.000786 658.00 0.07 0.000797 659.00 0.07 0.000815 660.00 0.07 0.000831 661.00 0.07 0.000840 662.00 0.08 0.000859 663.00 0.08 0.000878 664.00 0.08 0.000893 665.00 0.08 0.000911 666.00 0.08 0.000927 667.00 0.08 0.000944 668.00 0.08 0.000962 669.00 0.09 0.000984 670.00 0.09 0.001007 671.00 0.09 0.001031 672.00 0.09 0.001052 673.00 0.09 0.001075 674.00 0.10 0.001100 675.00 0.10 0.001127 676.00 0.10 0.001154 677.00 0.10 0.001181 678.00 0.11 0.001208 679.00 0.11 0.001235 680.00 0.11 0.001265 681.00 0.11 0.001296 682.00 0.12 0.001328 683.00 0.12 0.001360 684.00 0.12 0.001390 685.00 0.12 0.001420 686.00 0.13 0.001453 Page 323 of 335 687.00 0.13 0.001488 688.00 0.13 0.001523 689.00 0.14 0.001557 690.00 0.14 0.001590 691.00 0.14 0.001640 692.00 0.15 0.001726 693.00 0.16 0.001864 694.00 0.17 0.002027 695.00 0.19 0.002194 696.00 0.20 0.002363 697.00 0.22 0.002580 698.00 0.24 0.002910 699.00 0.28 0.003330 700.00 0.31 0.003780 701.00 0.35 0.004221 702.00 0.39 0.004670 703.00 0.44 0.005198 704.00 0.49 0.005896 705.00 0.56 0.006685 706.00 0.63 0.007495 707.00 0.70 0.008298 708.00 0.77 0.009070 709.00 0.85 0.010161 710.00 0.97 0.011764 711.00 1.12 0.013529 712.00 1.27 0.015289 713.00 1.42 0.016992 714.00 1.57 0.018575 715.00 1.69 0.019711 716.00 1.77 0.020390 717.00 1.82 0.020852 718.00 1.86 0.021248 719.00 1.89 0.021566 720.00 1.92 0.021837 721.00 1.91 0.021667 722.00 1.85 0.021017 723.00 1.76 0.019939 724.00 1.65 0.018694 725.00 1.54 0.017421 726.00 1.43 0.016242 727.00 1.33 0.015132 728.00 1.23 0.014097 729.00 1.15 0.013151 730.00 1.06 0.012272 731.00 0.99 0.011494 732.00 0.93 0.010772 733.00 0.87 0.010134 734.00 0.81 0.009531 735.00 0.76 0.008971 736.00 0.71 0.008485 Page 324 of 335 737.00 0.67 0.008029 738.00 0.63 0.007615 739.00 0.60 0.007259 740.00 0.57 0.006910 741.00 0.54 0.006580 742.00 0.51 0.006296 743.00 0.49 0.006024 744.00 0.46 0.005774 745.00 0.44 0.005558 746.00 0.42 0.005343 747.00 0.41 0.005141 748.00 0.39 0.004952 749.00 0.37 0.004776 750.00 0.36 0.004618 751.00 0.34 0.004472 752.00 0.33 0.004333 753.00 0.32 0.004199 754.00 0.31 0.004072 755.00 0.30 0.003956 756.00 0.29 0.003849 757.00 0.28 0.003752 758.00 0.27 0.003662 759.00 0.26 0.003577 760.00 0.26 0.003499 761.00 0.25 0.003428 762.00 0.24 0.003363 763.00 0.24 0.003304 764.00 0.23 0.003247 765.00 0.23 0.003193 766.00 0.22 0.003142 767.00 0.22 0.003096 768.00 0.21 0.003054 769.00 0.21 0.003014 770.00 0.21 0.002976 771.00 0.20 0.002939 772.00 0.20 0.002903 773.00 0.20 0.002869 774.00 0.19 0.002837 775.00 0.19 0.002808 776.00 0.19 0.002778 777.00 0.19 0.002748 778.00 0.18 0.002718 779.00 0.18 0.002691 780.00 0.18 0.002665 781.00 0.18 0.002640 782.00 0.18 0.002615 783.00 0.17 0.002591 784.00 0.17 0.002566 785.00 0.17 0.002543 786.00 0.17 0.002523 Page 325 of 335 787.00 0.16 0.002502 788.00 0.16 0.002483 789.00 0.16 0.002463 790.00 0.16 0.002444 791.00 0.16 0.002426 792.00 0.16 0.002410 793.00 0.16 0.002395 794.00 0.15 0.002379 795.00 0.15 0.002363 796.00 0.15 0.002348 797.00 0.15 0.002333 798.00 0.15 0.002319 799.00 0.15 0.002305 800.00 0.15 0.002291 801.00 0.14 0.002276 802.00 0.14 0.002262 803.00 0.14 0.002248 804.00 0.14 0.002235 805.00 0.14 0.002223 806.00 0.14 0.002210 807.00 0.14 0.002196 808.00 0.14 0.002182 809.00 0.14 0.002168 810.00 0.13 0.002156 811.00 0.13 0.002144 812.00 0.13 0.002131 813.00 0.13 0.002118 814.00 0.12 0.001949 815.00 0.11 0.001800 816.00 0.10 0.001667 817.00 0.09 0.001550 818.00 0.08 0.001446 819.00 0.07 0.001354 820.00 0.06 0.001273 821.00 0.05 0.001201 822.00 0.05 0.001137 823.00 0.04 0.001080 824.00 0.04 0.001030 825.00 0.03 0.000986 826.00 0.03 0.000947 827.00 0.03 0.000912 828.00 0.02 0.000881 829.00 0.02 0.000854 830.00 0.02 0.000830 831.00 0.02 0.000809 832.00 0.01 0.000790 833.00 0.01 0.000773 834.00 0.01 0.000758 835.00 0.01 0.000745 836.00 0.01 0.000733 Page 326 of 335 837.00 0.01 0.000723 838.00 0.01 0.000714 839.00 0.01 0.000706 840.00 0.01 0.000699 841.00 0.00 0.000692 842.00 0.00 0.000687 843.00 0.00 0.000682 844.00 0.00 0.000678 845.00 0.00 0.000674 846.00 0.00 0.000670 847.00 0.00 0.000667 848.00 0.00 0.000664 849.00 0.00 0.000662 850.00 0.00 0.000660 851.00 0.00 0.000658 Page 327 of 335 i 328 of 335 soa ................... 3 - SPILLWAYS & SPLASHPADS Page 329 of 335 Riprap Analysis: Riprap Analysis -Spillway Notes: Input Parameters Riprap Type: Embankment Overtopping Calculations will use either total or overbank discharges. Total Discharge: 84 cfs Embankment Slope: 4:1 H:V Embankment Overtopping Length: 20 ft/s Weir Flow Coefficient: 3.367 Riprap Sizing Equation Coefficient: 0.525 s^0.52/ft^0.04 Coefficient of Uniformity of the Riprap: 2.1 Coefficient of Uniformity = D60/D10 Porosity: 0.45 Angle of Repose: 42 degrees Specific Gravity of Riprap: 2.65 Result Parameters Overtopping Depth: 1.15879 ft Depth determined from rectangular weir equation Unit Discharge: 4.2 cfs Slope: 0.25 ft/ft Slope Angle:14.0362 degrees Smallest Possible Median Rock Size: 166.194 mm Interstitial Velocity: 1.07883 ft/s Average Velocity: 0.485474 ft/s Thickness required for all flow to pass thru Riprap: 8.65133 ft Allowable Flow Depth over the Riprap: 0.291007 ft Page 330 of 335 Manning's Roughness Coefficient (n): 0.0327016 Unit Discharge over Riprap using Manning's Equation: 2.90352 cfs/ft Required Interstitial Flow through the Riprap:1.29648 cfs/ft Flow Provided by a riprap thickness of 2*D50: 0.768668 cfs/ft Flow Provided by a riprap thickness of 4*D50: 1.53734 cfs/ft Thickness required for Flow: 4*D50 Riprap Class Riprap Class Name:CLASS I Riprap Class Order:1 The following values are an 'average' of the size fraction range for the selected riprap class. D100: 304.80 mm D85: 228.60 mm D50: 165.10 mm D15: 114.30 mm Report for channel Channel Analysis: Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 3.0000 ft/ft Side Slope 2 (Z2): 3.0000 ft/ft Channel Width 20.00 ft Longitudinal Slope: 0.2500 ft/ft Manning's n: 0.0350 Flow 84.0000 cfs Result Parameters Depth 0.3745 ft Page 331 of 335 Area of Flow 7.9110 ft^2 Wetted Perimeter 22.3686 ft Hydraulic Radius 0.3537 ft Average Velocity 10.6181 ft/s Top Width 22.2471 ft Froude Number: 3.1379 Critical Depth 0.7855 ft Critical Velocity 4.7835 ft/s Critical Slope: 0.0203 ft/ft Critical Top Width 24.71 ft Calculated Max Shear Stress 5.8424 lb/ft^2 Calculated Avg Shear Stress 5.5172 lb/ft^2 Report for weir Weir Analysis: Weir Analysis Notes: Input Parameters Weir Type: Cipolletti Coefficient: 3.3670 Length: 20.0000 ft Flow: 84.0000 cfs Result Parameters Head: 1.1588 ft Riprap Analysis: Riprap Analysis -Splashpad Notes: Input Parameters Riprap Type: Revetment Page 332 of 335 The channel is a trapezoidal channel Local Depth of Flow: 0.686034 ft Riprap Shape is Angular Stability Coefficient 0.3 This value is updated by the selected Riprap Shape Blanket Thickness Coefficient:1 Channel Cross -sectional Average Velocity: 3.55269 ft/s Which is the Average Velocity with Spurs Centerline Radius of Curvature of Channel Bend:1e+09 ft Width of Water Surface at Upstream End of Channel Bend: 8.48828 ft Bank Angle: 4:1 H:V .966 < Bank Angle < 4.011 The location of the revetment protection is on a straight channel Specific Gravity of Riprap: 2.65 Safety Factor: 1.1 Result Parameters Side slope Correction Factor: 0.999989 Velocity Distribution Coefficient: 1 Design Velocity: 3.55269 ft/s Design velocity never less than average channel velocity Computed D30: 18.3487 mm Computed D50: 22.0184 mm Riprap Class Riprap Class Name:CLASS I Riprap Class Order:1 The following values are an'average' of the size fraction range for the selected riprap class. D100: 304.80 mm Page 333 of 335 D85: 228.60 mm D50: 165.10 mm D15: 114.30 mm Layout Recommendations Minimum Riprap Thickness: 144.00 in Report for channel Channel Analysis: Channel Analysis Notes: Input Parameters Channel Type: Trapezoidal Side Slope 1 (Zl): 4.0000 ft/ft Side Slope 2 (Z2): 4.0000 ft/ft Channel Width 3.00 ft Longitudinal Slope: 0.0200 ft/ft Manning's n: 0.0350 Flow 14.0000 cfs Result Parameters Depth 0.6860 ft Area of Flow 3.9407 ft^2 Wetted Perimeter 8.6572 ft Hydraulic Radius 0.4552 ft Average Velocity 3.5527 ft/s Top Width 8.4883 ft Froude Number: 0.9189 Critical Depth 0.6559 ft Critical Velocity 3.7953 ft/s Critical Slope: 0.0240 ft/ft Page 334 of 335 Critical Top Width 8.25 ft Calculated Max Shear Stress 0.8562 lb/ft^2 Calculated Avg Shear Stress 0.5681 lb/ft^2 Page 335 of 335