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Mr. Gregg Squire <br />February 13, 1986 <br />Page Two <br />All MLRD numbers are accepted except the demolition of facilities figure, ripping <br />facilities area figure, and the backfilling and grading figures. <br />The backfilling figures are explained in Addendum to Section 2.05.3(5) and the <br />Backfilling and Grading Addendum 2.05.4(2)(c). These addendums show that 30,000 <br />cubic yards of material were needed to fill in the low areas in the vicinity of <br />the Helen portals, and it will be obtained from the refuse pile. Following that, <br />44,567 cubic yards will be needed to cover the spoil pile and the Helen area now <br />covered with refuse to a depth of 3-1/2 feet. This will come from the disturbed <br />area as per cross-sections. The additional 6 inches of topsoil will come from the <br />topsoil storage piles. Consequently, no separate cost for non-toxic cover soil <br />is shown above. Volumes are shown in the cross-sections submitted; the final <br />contours are on the map accompanying the cross-sections. Costs per yard are <br />in accordance with the bids, copies attached. <br />The demolitions figures are from the bid attached. The ripping facilities area <br />figure is the MLRD figure adjusted to reflect bulldozer time as per attached bid. <br />On the basis of the figures shown, Sundance Coal feels that the reclamation bond <br />is more than adequate to cover worst case reclamation costs. <br />If you have any questions, please contact me at 724 South Lee Court, Lakewood, <br />Colorado 80226, or call 980-8167. <br />Sincerely, <br />d..~-- <br />Howard T. Urband <br />HTU:ah <br />Enclosures <br />