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<br />RATIONAL METHOD: Q = CIA <br /> <br />BASIN AREA L S V Tc 110 1100 LAND CIO CIOO FLOW <br /> (acres) (ft) (%) (fps) (min ) USE QIO I QIOO <br />OB-I 12.2 300 2.5% 5 21 3.4 5.0 Open 0.25 0.45 10 27 <br /> 600 <br />B-1 3.8 150 2% 4 15 3.8 6.0 Residential 0.50 0.60 7 14 <br /> 750 <br />CB-I 16.0 OB-1+150 4 22 3.3 4.9 Open/Res 0.31 0.49 16 38 <br />(OB-I+B-I) <br />B-2 ~ CB-2 0.4 250 4 5 5.7 9.0 Street 0.90 0.93 2 3 <br />B-3~ CB-3 1.8 100 2% 4 11 4.5 7.0 Residential 0.50 0.60 4 8 <br /> 400 <br />B-4 2.1 150 2% 4 13 4.1 6.3 Residential 0.50 0.60 4 8 <br /> 500 <br />CB-4 20.3 OB-I+150 4 23 3.2 4.7 Open/Res 0.35 0.51 23 49 <br />(CB-I +B-2+B-3+B-4) <br />OB-2 0.8 ]50 2%) 4 12 4.2 6.6 Residential 0.50 0.60 2 3 <br /> 100 <br />B-5 1.0 150 2% 4 12 4.2 6.6 Residential 0.50 0.60 2 4 <br /> 200 <br />CB-5 1.8 OB-2+150 2% 4 13 4.1 6.3 Residential 0.50 0.60 4 7 <br />(OI:l-2flFj) <br />B-6 0.9 150 2% II 4.5 7.0 Residential 0.50 0.60 2 4 <br />EB-I 23.0 CB-4+ I 00 4 23 3.2 4.7 Open/Res 0.37 0.52 27 56 <br />(CB.4+CI:l-5+B-6) <br />B-7 ~ EB-2 1.6 120 2% 4 II 4.5 7.0 Residential 0.50 0.60 4 7 <br /> 2'\0 <br /> <br />JR ENGINEERING, L TD <br />4935 North 30th Street <br />Colorado Springs. Colorado 80919 <br />(719) 593-2593. FAX (719) 528-6613 <br /> <br />PROJECT: <br /> <br />Fawn Vallev HvdrolOl!ic Calculations for Local Culverts <br /> <br />ENGINEER: <br /> <br />TEM <br /> <br />DATE: 5/25/95 <br /> <br />JOB NO.: 8696.00 <br /> <br />PAGE: 3 of 4 <br /> <br />------------------- <br />