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• TABLE 2 Page 2 of 2 <br />CULVERT DRAINAGE CHARACTERISTICS <br />• <br />• <br />Culvert Approx. Drainage <br />Number Location Diameter Length Area Capacity <br />* inches feet acres cfs <br />7-1 Culvert under existing 18 70 21.1 13.2 <br /> main haul road below <br /> spillway outlet. <br />1-2 At collection ditch, 18 60 11.0 13.3 <br /> from the south to <br /> sediment pond at Pit #7. <br />8-1 Culvert under existing 24 10 11.0 23 <br /> main haul road at <br /> natural drainageway. <br />8-2 At natural drainageway 15 60 38.4 7.0 <br /> on haul road between <br /> Pits #7 and #8. <br />8-3 Diversion ditch culvert 18 60 12.0 14 <br /> under haul road to Pit #8. <br />NOTE: CMP used as sediment pond spillway outlets are not listed in this <br />table. See Figures for dimensions of CMP spillways. <br />(*) Culvert number is designated by two numbers of which the first number <br />refers to the pit and the second number is the number of culvert <br />installations below the one under consideration. <br />8-81 <br />III-17 <br />