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HomeMy WebLinkAboutTR 35337 HYDROLOGY REPORT-019 Spyglass Ranch Tract 35337 Hydrology Study M designed to provide storm and water quality mitigation. The flow rate is given by "Q" in cubic-feet-per-second (cfs). Table 6: Basin #2_ - Depth vs. Outflow WS Stage 1 Stage 2 Stage 3 Stage 4 Cumulative Main Depth Elevation Q (cfs)' Q (cfs)2 Q (cfs)3 Q (cfs)4 Outflow Q Outlet Q (cfs) (cfs)5 8.00 1300.00 0.74 42.37 12.42 36.61 92.13 179.49 7.50 1299.50 0.71 39.74 11.26 17.01 68.73 174.32 7.00 1299.00 0.69 36.91 9.98 3.27 50.85 168.99 6.50 1298.50 0.66 33.86 8.50 0.00 43.02 163.48 6.00 1298.00 0.64 30.50 6.70 0.00 37.83 157.78 5.50 1297.50 0.61 26.72 4.18 0.00 31.51 151.87 5.00 1297.00 0.58 22.30 0.00 0.00 22.89 145.72 4.50 1296.50 0.55 16.77 0.00 0.00 17.32 139.30 4.00 1296.00 0.52 8.06 0.00 0.00 8.58 132.56 3.50 1295.50 0.49 0.00 0.00 0.00 0.49 125.47 3.00 1295.00 0.45 0.00 0.00 0.00 0.45 117.95 2.66 1294.66 0.42 0.00 0.00 0.00 0.42 112.55 2.33 1294.33 0.40 0.00 0.00 0.00 0.40 107.05 2.00 1294.00 0.37 0.00 0.00 0.00 0.37 101.25 1.66 1293.66 0.33 0.00 0.00 0.00 0.33 94.90 1.33 1293.33 0.30 0.00 0.00 0.00 0.30 88.31 1.00 1293.00 0.26 0.00 0.00 0.00 0.26 81.18 0.66 1292.66 0.21 0.00 0.00 0.00 0.21 73.11 0.33 1292.33 0.15 0.00 0.00 0.00 0.15 64.32 Notes: 1. (4) 1.5 in. diameter orifice in exterior baffle wall, invert=1291.94. 2. (5) 12 in. diameter orifice in exterior baffle wall, invert=1295.35. 3. (4) 8 in. diameter orifice in exterior baffle wall, invert=1296.85. 4. 8 ft. wide baffle wall, TW=1298.75. H: \265324\Final \llydrology\Rcpor•l\324 Report Body.doex - 15 -