2010-11-16_PERMIT FILE - M2010055 (6)

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BASELINE ENGINEERING CORP. Land Use Planning Civ il Design. Consultants JOB NO. co20108 DEVELOPED"C"FACTORS KONIG BORROW PIT DESIGNED BY: CSR FILE: d rainage calcs.wO CHECKED BY: RAB DATE: 10/13110 LAND USE RUNOFF COEFFIENTS Area % of Total % imp COMPOSITE C-Factors % C2 C5 CIO C,oo acres C2 CS Cio Ctoo BASIN 01 6.290 Acres ROOF AREA 90% 0.71 0.73 0.75 0.81 0.000 0.0% 0.00% 0.00 0.00 0.00 0.00 GRAVEL ROAD AREAS 40% 0.23 0.30 0.36 0.5 0.412 6.5% 2.62% 0.02 0.02 0.02 0.03 AGRICULTURE AREAS 2% 0.02 0.08 0.16 0.36 5.727 1.62% 0.02 0.07 0.15 0.33 ASPHALT AREAS 100% 0.89 0.9 0.92 0.96 0.151 2.41%1* 2.40% 0.02 0.02 0.02 0.02 OTAL 6.290 6.8% 0.05 0.11 0.19 0.38 BASIN 02 2248 Acres 1 ROOF AREA 90% 0.71 0.73 0.75 0.81 0.000 0.00% 0.000 0.000 0.000 0.000 GRAVEL ROAD AREAS 40°x6 0.23 0.30 0.36 0.5 0.259 4.61% 0.026 0.035 0.041 0.058 GRICULTURE AREAS 2% 0.02 0.08 0.16 0.36 1.989 1.77% 0.018 0.071 0.142 0.319 ASPHALT AREAS 100% 0.89 0.9 0.92 0.96 0.000 0.0% 0.00% 0,000 0.000 0.000 0.000 TOTAL 2.248 100.0 % 6.4% 0.04 0.11 0.18 0.38 BASIN 03 0.918 Acres ROOF AREA 90% 0.71 0.73 0.75 0.81 0.000 0.0% 0.00% 0.00 0.00 0.00 0.00 GRAVEL ROAD AREAS 40% 0.23 0.30 0.36 0.5 0.328 35.7% 14.28% 0.08 0.11 0.13 0.18 AGRICULTURE AREAS 2% 0.02 0.08 0.16 0.36 0.590 64.3% 1.29% 0.01 0.05 0.10 0.23 ASPHALT AREAS 100% 0.89 0.9 0.92 0.96 0,000 0.0% 0.00% 0.00 0.00 0.00 0.00 TOTAL 0.918 100.0% 15.6% 0.09 0.16 0.23 0.41 BASIN 04 0.692 Acres ROOF AREA 90% 0.71 0.73 0.75 0.81 0.000 0.0% 0.00% 0.00 0.00 0.00 0.00 GRAVEL ROAD AREAS 401/o 0.23 0.30 0.36 0.5 0.328 47.4% 18.95% 0.11 0.14 0.17 0.24 AGRICULTURE AREAS 2% 0.02 0.08 0.16 0.36 0.364 52.6% 1.05% 0.01 0.04 0.08 0.19 ASPHALT AREAS 100% 0.89 0.9 0.92 0.96 0.000 0,0% ' 0.00% 0.00 0.00 0.00 0.00 TOTA! 0.692 100.0% 20.0% 0.12 0.18 0.25 0.43 ' Percent Impervious taken from Table RO-3 and Runoff Coefficients taken from Table RO-5 of the Urban Storm Drainage Criteria Manual. Based on Soil Type B.