Laserfiche WebLink
Peerless Resources agrees to no coal storage in this area. A 2 foot high berm <br />• will be constructed to impound runoff from the 10 year, 24 hour storm as an <br />alternate sediment control measure in this area. <br />Culverts <br />Drainage from the disturbed area will be routed to the sediment pond by a <br />combined surface drainage and culvert system. The major conveyance is a <br />channel located on the east side of the facilities area. Culverts have been <br />designed to carry drainage beneath the haul road at selected locations. The <br />drainage basins which contribute flow to these culverts are identified on Map <br />12. Runoff calculations and the nomograph used to size culverts have been <br />included in the appendix to this exhibit. Also included are the design <br />• specifications for the dual culvert system where Ditch No. 1 passes beneath <br />the haul road entrance. <br />Permanent Coal Gulch Channel <br />Following mining at the Coal Gulch Mine, the Coal Gulch drainage will be <br />re-established in its approximate original position as shown on the <br />Post-mining Topography Map (Map 14). <br />The area has been previously disturbed by mining operations in the early <br />1900's so the location and configuration of the original channel is not <br />precisely known. Peerless Resources, Inc. plans to re-establish the channel <br />in the best suited location given backfilling and grading constraints. The <br /> <br />Revised 9/12/86 <br />9 <br />