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<br />,~ <br />Twin Pines No. 2 permit application. Design data was set <br />forth on the Coal Sales drawing. This information has been <br />reviewed and up dated on the drawing. <br />18). Ditch Designs, TJpper Tipple Access Road - Runoff from <br />the slopes above the road and the road are carried on the <br />road and contained by a out slope berm. This has provided <br />excellent drainage from the area with no undue erosion or <br />disturbance to the operation. <br />19). Sizing of Culverts - 1) 24 inch CMP to Lower Bench <br />Sediment Pond, with HW/D = 1.5 the culvert will carry 21.5 <br />cfs, (>runoff from 10 year, 24 hour storm). 2) 12 inch CMP <br />at Coal Sales Office, The culvert was installed to drain the <br />immediate area behind the office trailer which was isolated <br />when the scale road was constructed. The culvert is adequate <br />for the intended purpose. <br />Reclamation - Rule 2.05.4, 3.01, and 3.02 <br />20 ). The Mine Site Plan, Drawing No. TP-3 does show the <br />existing topography of the mine site. <br />21) & 22). Completion of these questions will be function of <br />the post mining use of the mine sites. <br />23). Stipulation No. 5, Seed Bed Testing Program - Pages <br />88(rev. 8/27/87) and 88a will be revised to include the <br />required language. <br />24). Commitment concerning weed infestation - Page 88a will <br />be revised to include the commitment. <br />Backfilling and Grading - Rules 2.05.3(6)(b), 2.05.3(9), <br />2.05.4(2)(a), 2.05.4(2)(c), 4.09, 4.13, and 4.14 <br />25). Rill and Gully Plan - A rill and gully plan will be <br />included in the application. <br />Coal Processing Waste and Underground Development Waste - Rules <br />2.05.2, 2.05.3(1), 2.05.3(2), 2.05.3(3), 2.05.3(8), 4.01, 4.10, <br />and 4.11 <br />26). Lift thick <br />make a pen and <br />date the pile <br />thicknesses of <br />completed lifts <br />the pile. <br />less for construction of spoil pile - Please <br />ink change on page 84 of the application. To <br />has most probably been constructed in lif+_ <br />less than 2 feet. Compaction tests on the <br />have all exceeded standards for stability of <br />27). Material in t2ie North Spoil Area - To January 1993 <br />approximately 6,400 cubic yards of spoil have been placed in <br />4 <br />