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TABLE 7-12-3 <br />Postmine Culvert Schedule ~! <br />Culvert No. Peak Discharge''2 Diameter Required'' Diameter Installed <br /> cfs inches I inches <br />2A&2AA 18.3 30~ 30 <br /> 1.02 102 i <br />3A 1.2~ 421 I 24 & 24 <br />9A 65.31 481 48 & 24 <br />12A 1.52 82 30 <br />13A 3.01 181 ~' 18 <br />15A 14,9 72~ 72 <br />18A 1.7~ 241 18 <br /> 1.02 102 <br />19A 135.71 60' 60 <br /> 2.32 102 <br />24A 0.51 18~ 18 <br /> 1.72 102 <br />29A 6.9' 30' 30 <br />30A 7.1 ~ 30~ 30 <br />32A 3.61 24' 30 <br />33A 1.4~ 18~ 18 <br />45A 12.4' 18' 18 <br /> 0.32 62 <br />47A 0.71 24~ 24 <br />62A 0.22 42 24 <br />A3 5.41 30' 30 <br />AS 11.2' 30' 30 <br /> 0.442 6Z <br />Notes: 1) Calculated based on disturbed conditions. <br />2) Calculated based on reclaimed conditions. <br />Soil Conservation Service (SCS),1419. Eneineerine Field Manua[. U.S. Department of <br />Agriculture, Washington D.C. <br />Soil Conservation Service (SCS), 1986. Urban Hydrodo~ for Small Watershed, TR-55. Soil <br />Conservation Service, United States Department of Agriculture, Washington, D.C. <br />Warner, R.C., and P.J. Schwab, 1992. SEDCAD+ Version 4. Civil Design Software. Ames, IA. <br /> <br /> <br />• <br />TR-41 7-12-1OB Revised 03107 <br />