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TRR#~PER MINING INC TEl_:303-824-4632 Mr. Kent Gorham Colo Office of Mined Land Reclamation November 19,1992 Jan 04 96 13:34 No .005 P.05 3.(a-p Haul Route Nomenclature and Routes: Trapper will review and revise as neuasary. 3.(g) Access to Topsoil Stockpiles: COMLR and Trapper agree that access to sackpiles i, adequately covered by topsoil fleet support equipment. Trapper will determine which routes will disturb prwious reclamation and add costs [or revegetating these areas. 'F 4. Surplus Topsoil: COMLR agreed with Trapper that orphan topsoil stockpiles should not be redisturbcd. A permanent aced mix will be applied. Trapper agreed to list those piles that will not be disturbul by final reclamation. 5. Swell: Based on Trapper's description of the methodology used far determining topsoil volumes, COMLR agreed that loose cubic yards were the hasis of the calculation. COMLR and Trappet agreed a compaction Castor should be added. Trapper agreed to develop asite-specific compaction number. 6. Rolling Resistance: COMLR and Trapper agree Thal rather than using a single rolling resislence, the route segments should be evaluated individually using 3°k for maintained roads and 5% in stockpile and laydown ureas. 7. Correction Factor: COMLR agrees that a 0.75 correction [actor was applied to the original work. The final correction factor will be determined subsequent to the resolution o[ the shifts-perday issue. 88c9. Equipment Costs, labor Costs: Trapper will use the equipment and labor costs proposed by COMLR in the adequacy letter of October 14,1992. Facilities Removul 1. ~~o Additional Structures: Trapper will include costs for the removal of the rice shop, substations, silos, storage facility by warehouse, explosives magatines and the dragline repair pad. COMLR and Trapper agreed that henign, buried utilities that will axial under a minimum oC Cour Feet of cover will not be removed. Trapper agreed to provide a list of underground utilities. 2. -~ Removing Culverts: COMLR and Trapper agree that costs for removing and disposal of culverts should he included. Trapper will develop a methodology Car calculating thin cost and use it, subject to COMLR review. 3. p~Powcr line Removal: Trapper will use the method proposed by COMLR in the adequacy urmments of October 14,1992. 4. Ripping and Regrading Facilities Area: Trapper will include coals for ripping the facilities area. 5. Testing for Hacardous Material: Trapper will include ursts for this activity using COMLR unit costa ($520 per drum). 6. I.ocatiott Factor: The previously stated factor of 1.25 should have been 1.025. COMLIi w111 dclcnninc what lhC most current rate is.