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HomeMy WebLinkAboutLot Certifications - 02/15/2005 (7)VOLUME CALCULATION Description: Schrader Detention Pond scale (ft.fin.):._! ___ _. Rev. February 1, 2005 by CLO SURFACE DELTA CUM. CUM. ELEV. AREA(in) DEPTH AREA VOLUME VOLUME VOLUME ft. sq. in. ft. Acres Acre-feet Acre-feet Cf 66.25 0 0.00 0.000 0.000 0 0.0003 66.5 170 0.25 0.004 0.0003 14 0.004 67.0 654 0.75 0.015 0.005 207 0.010 67.5 1062 1.25 0.024 0.015 632 0.014 68.0 1329 1.75 0.031 0.028 1228 0.020 68.6 1591 2.35 0.037 0.048 2103 0.007 68.8 1669 2.55 0.038 0.056 2429 Pond Extended vertically to find design volume 0.014 69.17 1669 2.92 0.038 0.070 3047 Water Quality Capture Volume of 0.02 ac-ft is met at elevation 67.70 (interpolated) 3/8" Orifice Inlet Grate Total Incremental Average Elevation Discharge Discharge Discharge Volume Discharge (feet) (cfs) (cfs) (cfs) (ac-ft) (cfs) 67.70 0.005 0 0.005 0.008 0.005 68.00 0.005 0 0.005 0.020 0.006 68.60 0.006 0 0.006 0.007 0.006 68.80 0.006 0 0.006 0.014 3.315 69.17 0.007 6.617 6.624 ~olume Weighted Average Discharge 0.94