_PERMIT FILE - C1981008A (13) - Laserfiche WebLink

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JUNCTION 1, BRANCH 1, STRUCTURE 1 * * * * * * * * * * * * * * * * * * * * * * * *** HYDRAULIC INPUT VALUES FOR SUBWATERSFIEDS *** WATER AREA CURVE TC TT ROUTING COEFFICIENTS UNIT SHED ACRES NUMBER HR HR K-HRS X HYDRO ------------------------------------------------------------------------ 1 6.26 81.00 0.064 0.000 0.000 0.00 0.0 *** SEDIMENT INPUT VALUES FOR SUBWATERSIIEDS *** WATER SEC SOIL LENGTH SLOPE CP PART SURF SHED NUM K FEET PCT VALUE OPT COND ---------------------------------------------------------------------------- 1 1 0.25 0.0 4.10 1.000 1.0 0.0 * * * COMPUTED VALUES FOR INDIVIDUAL WATERSHEDS WATERSHED PEAK FLOW RUNOFF SEDIMENT DIAM DELIVERY DEIIVERY (CFS) ( INCHES) TONS (MM) RATIO 1 RATIO 2 ---------------------------------------------------------------------- 1 2.57 0.37 65.46 0.010 1 .000 1.000 NOTE: SEDIMENT DOES NOT INCLUDE POSSIBLE DEPOSITION BY DELIVERY RATIO 2 ***** SUMMARY TABLE FOR TOTAL WATERSHED it**** --------------------------------------------- RUNOFF VOLUME = 0. 1917 ACRE-FT PEAK DISCHARGE = 2.5665 CFS AREA = 6.2550 ACRES TIME OF PEAK DISCHARGE = 12.00 IIRS BETA = 1:0000 RAINFALL EROSITIVITY FACTOR = 13.39 El UNIT PEAK CONCENTRATION = 447855.25 MG/L PEAK SEITLEABLE CONCENTRATION = 177.53 ML/I_ PEAK SETTLEABLE CONCENTRATION = 221912.25 MG/L TOTAL SEDIMENT YIELD = 65.4642 TONS REPRESENTATIVE PARTICLE SIZE = 0.0100 MM TIME OF PEAK CONCENTRATION = 12.00 FIRS PERIOD OF SIGNIFICANT CONCENTRATION = 12.20 [IRS VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD OF SIGNIFICANT CONCENTRATION = 87.82 ML/L VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 87.82 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENIRATION DURING PERIOD OF SIGNIFICANT CONCENTRATION = 0.00 ML/L ARITHMETIC AVERAGE SETFLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 24.49 ML/L