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HomeMy WebLinkAboutWPO201500068 Plan - As-built 2019-08-14 y HTC_TC Asbuilt Plan BasinFlow printout INPUT: Basin: HTC Asbuilt Basin No. 1 12 Contour Areas Elevation(ft) Area(sf) Computed vol . (cy) 515.50 1740.00 0.0 516.50 2505.00 78.2 517.50 4065.00 198.7 518.50 7688.00 412.8 519.50 11137.00 759.4 520.50 13692.00 1218.4 521.50 18128.00 1805.8 522.50 21073.00 2531.0 523.50 23181.00 3350.2 524.50 24923.00 4240.9 525.50 27400.00 5209.4 526.50 30516.00 6281.4 Start_Elevation(ft) 521.50 Vol . (cy) 1805.77 6 Outlet Structures Outlet structure 0 Orifice name: riser outlet area (sf) 7.069 diameter or depth (in) 36.000 width for rect. (in) 0.000 coefficient 0.500 invert (ft) 512.730 multiple 1 discharge out of riser Outlet structure 1 Orifice name: riser inlet- 3in low flow into 36" Riser area (sf) 0.049 diameter or depth (in) 3.000 width for rect. (in) 0.000 coefficient 0.500 invert (ft) 521.480 multiple 1 discharge into riser Outlet structure 2 Orifice name: riser inlet- 3in mid flow into 36" riser area (sf) 0.049 diameter or depth (in) 3.000 width for rect. (in) 0.000 coefficient 0.500 invert (ft) 523.080 multiple 1 discharge into riser Page 1 HTC_TC Asbuilt Plan Outlet structure 3 weir name: Existing Riser top Recently Modified diameter (in) 60.000 side angle 0.000 coefficient 3.300 invert (ft) 524.280 multiple 1 discharge into riser transition at (ft) 1.519 orifice coef. 0.500 orifice area (sf) 19.635 Outlet structure 4 weir name: New Riser top diameter (in) 36.000 side angle 0.000 coefficient 3.300 invert (ft) 524.080 multiple 1 discharge into riser transition at (ft) 0.912 orifice coef. 0.500 orifice area (sf) 7.069 Outlet structure 5 weir name: emergency spillway length (ft) 35.000 side angle 71.600 coefficient 3.300 invert (ft) 525.000 multiple 1 discharge through dam Page 2 HTC_TC Asbuilt Plan 4 Inflow Hydrographs Hydrograph 0 scs name: 1yr post dev captured Area (acres) 12.940 CN 81.700 Type 2 rainfall , P (in) 3.500 time of conc. (hrs) 0.2500 time increment (hrs) 0.0200 time limit (hrs) 30.000 fudge factor 1.00 routed true peak flow (cfs) 23.153 peak time (hrs) 12.003 volume (cy) 3058.579 Hydrograph 1 SCS name: 2yr post dev captured Area (acres) 12.940 CN 81.700 Type 2 rainfall , P (in) 3.700 time of conc. (hrs) 0.2500 time increment (hrs) 0.0200 time limit (hrs) 30.000 fudge factor 1.00 routed true peak flow (cfs) 25.330 peak time (hrs) 12.003 volume (cy) 3346.101 Hydrograph 2 scs name: l0yr post dev captured Area (acres) 12.940 CN 81.700 Type 2 rainfall , P (in) 5.600 time of conc. (hrs) 0.2500 time increment (hrs) 0.0200 time limit (hrs) 30.000 fudge factor 1.00 routed true peak flow (cfs) 47.233 peak time (hrs) 12.003 volume (cy) 6239.581 Hydrograph 3 SCS name: 100yr post dev captured Area (acres) 12.940 CN 81.700 Type 2 rainfall , P (in) 9.100 time of conc. (hrs) 0.2500 time increment (hrs) 0.0200 time limit (hrs) 30.000 fudge factor 1.00 routed true peak flow (cfs) 90.402 peak time (hrs) 12.003 volume (cy) 11942.307 Page 3 1 HTC_TC Asbuilt Plan OUTPUT: Routing Method: storage-indication Hydrograph 0 Routing summary of Peaks: lyr post dev captured inflow (cfs) 23.125 at 12.00 (hrs) discharge (cfs) 0.660 at 13.18 (hrs) water level (ft) 524.110 at 13.18 (hrs) storage (cy) 3885.825 Hydrograph 1 Routing summary of Peaks: 2yr post dev captured inflow (cfs) 25.299 at 12.00 (hrs) discharge (cfs) 1.899 at 12.62 (hrs) water level (ft) 524.206 at 12.62 (hrs) storage (cy) 3971.964 Hydrograph 2 Routing Summary of Peaks: l0yr post dev captured inflow (cfs) 47.175 at 12.00 (hrs) discharge (cfs) 38.336 at 12.08 (hrs) water level (ft) 524.793 at 12.08 (hrs) storage (cy) 4514.839 Hydrograph 3 Routing Summary of Peaks: 100yr post dev captured inflow (cfs) 90.291 at 12.00 (hrs) discharge (cfs) 83.768 at 12.04 (hrs) water level (ft) 525.181 at 12.04 (hrs) storage (cy) 4890.674 wed Nov 11 11:50:16 EST 2015 Page 4