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• 2.05.3 <br />both sides of the road. Before this drainage is allowed to flow into any <br />defined drainage it will be passed though some form of alternative sediment <br />control. This alternative sediment control may include straw dikes, riprap, <br />check dams, mulches, vegetative sediment filter, dugout ponds silt fences or <br />other measures that reduce overland flow velocity, reduce run-off volume or <br />trap sediment. <br />3) Haul Road for gob pile access. <br />A discussion of the haul road for the gob pile access is presented in Volume <br />IV, Coal Mine Waste Bank Final Design forthe Bowie No. 2 Mine, prepared <br />by WESTEC. <br />4) Haul Road to B-Seam Portals <br />General Requirements <br />This road segment is approximately 400 feet long. Reference Map 16, Haul <br />• Road Plan & Profile - Loadout Loop & Gob Pile. This road provides access <br />to the B-Seam portals. Drainage from this road is contained in sediment <br />ponds. <br />Dust control on this road segment includes gravel surfacing and watering to <br />maintain surface moisture. <br />The truck traffic which will utilize this haul road segment will be 10 and 18 <br />wheel haul trucks. A 30-footwideroad surface should be adequate forthese <br />haul trucks. Vehicle traffic should have no problem with this road <br />configuration. The maximum pitch grade form this road is 10%. <br />Design and Construction <br />For the construction of this road segment, all vegetation material and topsoil <br />will be removed from the design road bed, shoulders, and surfaces where <br />associated structures will be placed. Topsoil will be placed in one of the <br />topsoil stockpiles located on site. No vegetation material or topsoil will be <br />placed beneath or in any haul road embankment. <br /> <br />PR-07 2.05 - 23 - 2/03 <br />AP PRovED <br />5~~z/03 <br />