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Table 6 <br />FISH CREEK TIPPLE <br />CULVERT DESIGN SPECIFICATIONS <br />Area and <br />Time of <br />Peak Flow <br />Peak Flow <br />Culvert <br />Culvert Drainage Area Curve <br />Concentration <br />From Drainage <br />Thru Culvert <br />Diameter <br />No. (Acres) No. <br />(Hours) <br />Area (cfs) <br />(cfs) <br />(Inches) HW/D <br />1 3.31 <br />85 <br />.16 <br />2.94 <br />2.94 <br />18 <br />.65 <br />2 .30 <br />85 <br />.01 <br />0.30 <br />0.30 <br />18 <br /><.50 <br />3 15.77 <br />68 <br />.30 <br />2.16 <br />2.16 <br />(2) 12 <br />.58 <br />4 7.74 <br />68 <br />.24 <br />1.18 <br />1.18 <br />12 <br />.70 <br />5 .75 <br />85 <br />.03 <br />0.76 <br />1.06 <br />24 <br /><.50 <br />6 8.50 <br />68 <br />.07 <br />1.73 <br />2.91 <br />30 <br /><.50 <br />7 1.57 <br />85 <br />.11 <br />1.55 <br />5.52 <br />24 <br />.62 <br />8 2.47 <br />85 <br />.11 <br />2.45 <br />7.97 <br />24 <br />.77 <br />References: <br />"Applied Hydrology and Sedimentology for Disturbed Areas" <br />"Handbook of Steel Drainage and Highway Construction Products" <br />