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. . , <br />Table 4.8.1 Haul Road Culvert Sizing. <br />Peak Flow Diameter <br />Culvert No. (cfs) (in) Quantity <br />Existing <br />A-1 24 36 1 <br />BC-1 37 24 3 <br />BC-2 57 60 1 <br />D-1 26 36 1 <br />D-2 4 24 1 <br />D-3* N/A 24 1 <br />D-4 15 24 1 <br />Future <br />A-2 133 60 1 <br />A-3* N/A 24 1 <br />A-4 72 48 1 <br />A-4A 72 48 1 <br />A-5 68 48 1 <br />D-5 37 42 1 <br />D-6 41 42 1 <br />* Indicates culverts that drain undisturbed areas or road surfaces <br />Note: See Map 9, Roads, for culvert locations. <br />LWH/jb 5/88 <br />REVISED MAY 19 `$ <br />