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Required Size: One 36-inch CMP <br />(from Figure 1, U.S. Bureau of Public Road Nomograph, using <br />HW/D = 1.0) <br />Actual Size: One 24-inch CMP and one 30-inch CMP <br />YARD AREA CATCH BASIN CULVERT <br />A 24-inch LMP culvert functions to pass all runoff collected in a yard <br />area catch basin to the yard area headwall as shown on the Drainage and <br />Sediment Control Map, (Map 20). <br />Design Calculations <br />The culverts receive runoff from subwatershed JBS 121/SWS 2. All <br />hydrology inputs for the subwatershed are shown on Table 11, <br />SEDCAD+ Version 3.0, Pond 5 and Associated Structures. <br />Peak Discharge <br />10-year, 24-hour event: 7.37 cfs <br />Required Size: 21-inch CMP <br />(from Figure 1, U.S. Bureau of Public Roads Nomograph, using <br />HW/D = 1.0) <br />Actual Size: 24-inch CMP <br />• <br />_.` p `~ <br />160 R Revised - December, 1991 <br />