2013-11-13_REVISION - M1990098 (4)

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ti NORTHERN MORA00 (ONMI.1(1015, IN(, 9075 WCR 10 * Fort Lupton, CO 80621 303 - 857 -1754 1 \I FAX: 303 - 857 -2933 July 23, 2013 Mr. Peter Hays Environmental Protection Specialist State of Colorado Division of Reclamation, Mining, & Safety 1313 Sherman Street — Room 215 Denver, CO 80203 RECEIVED `60V 13 2013 Division cf Reclamation, 'im , .& Safety RE. Asphalt Paving Company — Perry Pit — Bond Reduction Request File No. M,;�1990 -098 v Dear Mr. Hays, Asphalt Paving Company (APC) is requesting a reduction in the current bond for the financial warranty that is in place for Perry Pit. We are requesting that the following items be reduced to zero and removed from the current financial warranty that is posted because the slurry wall has been constructed and accepted by the State Engineer's Office (acceptance letter attached) and approximately 55% of the pit wall has been backfilled to the reclaimed slope. Slurry Wall Installation: Task No. 2 Direct Costs be reduced from $594,000 to $0 because the slurry wall has been installed and approved by the State Engineer's Office. 2. Quality Assurance Engineer for Slurry Wall Installation: Task No. 3 Direct Costs be reduced from $16,500 to $0 because the slurry wall has been installed and approved by the State Engineer's Office. 3. Dewater 58.3 acre Pit: Task No. 4 Direct Costs be reduced from $61,654 to $0 because the slurry wall has been installed and approved by the State Engineer's Office and The Consolidated Mutual Water Company is currently storing water in the pit and owns the water that is in the pit. APC only mines when the pit is drawn down as the storage fluctuates based on when The Consolidated Mutual Water Company is pumping water into or out of the pit. 4. Dewater Inflows to 58.3 acre Pit During Backfilling: Task No. 5 Direct Costs be reduced from $25,933 to $0 because the slurry wall has been installed and approved by the State Engineer's Office and The Consolidated Mutual Water Company is currently storing water in the pit and owns the water that is in the pit. APC only backfills the areas that are mined when the pit is drawn down as the storage fluctuates based on when The Consolidated Mutual Water Company is pumping water into or out of the pit.