Loading...
HomeMy WebLinkAboutWPO201800070 Calculations 2018-09-10 t Grass Ditch- 2 yr Complex Channnel Grass Ditch Immediately Below House- 2 yr Design Storm Input: Slope 0.150 Flow (given) 0.280 line x y n 0 0.000 1.000 0.030 (first n value not used) 1 3.000 0.000 0.030 2 6.000 1.000 0.030 Output: , Depth 0.164 (y) ( 0.164) Channel bed segment output: line Q V A P 1 0.14 3.49 0.04 0.52 2 0.14 3.49 0.04 0.52 Mon Sep 10 13:30:57 EDT 2018 Page 1 ti. Grass Ditch- 10 yr Complex Channnel Grass Ditch Immediately Below House- 10 yr Design Storm Input: Slope 0.150 Flow (given) 0.360 line x y n 0 0.000 1.000 0.030 (first n value not used) 1 3.000 0.000 0.030 2 6.000 1.000 0.030 Output: Depth 0.180 (y) ( 0.180) Channel bed segment output: line Q V A P 1 0.18 3.72 0.05 0.57 2 0.18 3.72 0.05 0.57 Mon Sep 10 13:37:38 EDT 2018 Page 1 Upper Riprap Ditch- 2 yr Complex Channnel Upper Riprap Ditch- 2 yr Design Storm Input: Slope 0.140 Flow (given) 0.851 line x y n 0 0.000 1.000 0.050 (first n value not used) 1 3.000 0.000 0.050 2 6.000 1.000 0.050 Output: Depth 0.304 (y) ( 0.304) Channel bed segment output: line Q V A P 1 0.43 3.06 0.14 0.96 2 0.43 3.06 0.14 0.96 Mon Sep 10 13:24:46 EDT 2018 Page 1 i s Upper Riprap Ditch- 10 yr Complex Channnel Upper Riprap Ditch- 10 yr Design Storm Input: Slope 0.140 Flow (given) 1.090 line x y n 0 0.000 1.000 0.050 (first n value not used) 1 3.000 0.000 0.050 2 6.000 1.000 0.050 Output: Depth 0.334 (y) ( 0.334) Channel bed segment output: line Q V A P 1 0.55 3.26 0.17 1.06 2 0.55 3.26 0.17 1.06 Mon Sep 10 13:28:48 EDT 2018 Page 1 Y Modified CIP Ditch- 2 yr Complex Channnel Riprap Ditch to Modified Permanent CIP- 2 yr Design Storm Input: Slope 0.230 Flow (given) 1.840 line x y n 0 0.000 1.000 0.050 (first n value not used) 1 3.000 0.000 0.050 2 6.000 1.000 0.050 Output: Depth 0.370 (y) ( 0.370) Channel bed segment output: line Q V A P 1 0.92 4.47 0.21 1.17 2 0.92 4.47 0.21 1.17 Mon Sep 10 13:39:15 EDT 2018 Page 1 Modified CIP Ditch- 10 yr Complex Channnel Riprap Ditch to Modified Permanent CIP- 10 yr Design Storm Input: Slope 0.230 Flow (given) 2.380 line x y n 0 0.000 1.000 0.050 (first n value not used) 1 3.000 0.000 0.050 2 6.000 1.000 0.050 Output: Depth 0.408 (y) ( 0.408) Channel bed segment output: line Q V A P 1 1.19 4.77 0.25 1.29 2 1.19 4.77 0.25 1.29 Mon Sep 10 13:39:40 EDT 2018 Page 1 Lower Riprap Ditch- 2 yr Complex Channnel Lower Riprap Ditch To Level Spreader- 2 yr Design Storm Input: Slope 0.140 Flow (given) 0.790 line x y n 0 0.000 1.000 0.050 (first n value not used) 1 3.000 0.000 0.050 2 6.000 1.000 0.050 Output: Depth 0.296 (Y) ( 0.296) Channel bed segment output: line Q V A P 1 0.40 3.00 0.13 0.94 2 0.40 3.00 0.13 0.94 Mon Sep 10 13:23:17 EDT 2018 Page 1 Lower Riprap Ditch- 10 yr Complex Channnel Lower Riprap Ditch To Level Spreader- 10 yr Design Storm Input: Slope 0.140 Flow (given) 1.020 line x y n 0 0.000 1.000 0.050 (first n value not used) 1 3.000 0.000 0.050 2 6.000 1.000 0.050 Output: Depth 0.326 (y) ( 0.326) Channel bed segment output: line Q V A P 1 0.51 3.20 0.16 1.03 2 0.51 3.20 0.16 1.03 Mon Sep 10 13:24:07 EDT 2018 Page 1 Old Lynchburg Road ESC Plan- Modified Culvert Inlet Protection BasinFlow printout Routing of the 2 & 10 yr Design Storms in the Permanent Modified CIP INPUT: Basin: Old Lynchburg Road ESC Plan- Modified Culvert Inlet Protection 4 Contour Areas Elevation(ft) Area(sf) Computed Vol. (cy) 571.00 49.00 0.0 572.00 161.00 3.7 574.00 489.00 26.7 576.00 994.00 80.5 Start_Elevation(ft) 571.00 Vol. (cy) 0.00 1 Outlet Structures Outlet structure 0 Orifice name: Drain area (sf) 0.196 diameter or depth (in) 6.000 width for rect. (in) 0.000 coefficient 0.500 invert (ft) 571.000 multiple 1 discharge through dam 2 Inflow Hydrographs Hydrograph 0 Modified_Rational name: 2 yr Rational Method Design Storm C 0.270 Area (acres) 1.840 IDF file: a2 time of concentration (min) 13.00 receding factor 1.670 time increment 1.00 time limit (min) 200.00 fudge factor 1.00 storm: peak intensity (zero duration) volume (cy) 70.55 peak flow (cfs) 1.829 intensity (in/hr) 3.682 time to peak (min) 13.000 duration of peak (min) 0.00 routed true Page 1 Old Lynchburg Road ESC Plan- Modified Culvert Inlet Protection Hydrograph 1 Modified_Rational name: 10 yr Rational Method Design Storm C 0.270 Area (acres) 1.840 IDF file: al0 time of concentration (min) 13.00 receding factor 1.670 time increment 1.00 time limit (min) 200.00 fudge factor 1.00 storm: peak intensity (zero duration) volume (cy) 92.67 peak flow (cfs) 2.403 intensity (in/hr) 4.837 time to peak (min) 13.000 duration of peak (min) 0.00 routed true OUTPUT: Routing Method: storage-indication Hydrograph 0 Routing Summary of Peaks: 2 yr Rational Method Design Storm inflow (cfs) 1.829 at 13.00 (min) discharge (cfs) 1.164 at 21.00 (min) water level (ft) 573.436 at 21.00 (min) storage (cy) 17.636 Hydrograph 1 Routing Summary of Peaks: 10 yr Rational Method Design Storm inflow (cfs) 2.403 at 13.00 (min) discharge (cfs) 1.338 at 23.00 (min) water level (ft) 574.135 at 23.00 (mih) storage (cy) 29.177 Mon Sep 10 14:58:29 EDT 2018 • Page 2 RECEIVED SEP 1 0 2018 COMMUNITY DgVMbDPMENT