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U.S.DEPARTMENT CO 1111 MEMO! suSAD-1./M0 MANAD1 17 Royal Gorge Field Office Standard Stipulations Rocky Mountain Excavating, LLC — Iron Mountain Quarry Mineral Materials Contract COC106377246 From 1994 NEPA EA 1. The final pit walls will be re-contoured to a slope of 3:1 (H:V) or lower, with the possible exception of the south wall, where resistant bedrock may force a highwall. This south wall will be benched or backfilled with material so that a slope at least as low as 2:1 (H:V) can be achieved. 2. A ditch and/or berm will be maintained along the south and east side of the haul road to divert surface drainage from the Glen Vista Gravel Pit which lies to the south of this proposed site. 3. Stockpiled topsoil will be spread over the pit area to a depth of six inches. Some soil may have to be reconstructed from available materials on or near the site, as described in the Reclamation Plan suggested by the Soil Conservation Service, included in the Mining Plan. 4. Using an excavator, or similar equipment, the haul road will be re-contoured as close as possible to the original land slope, but leaving the surface somewhat rough and porous. 5. The pit and haul road areas will be prepared, fertilized, mulched and reseeded as outlined in the SCS Reclamation Plan, which was submitted as part of the Mining Plan. 6. Upon final reclamation, if storm water infiltration within the pit is not rapid enough to prevent the formation of permanent mud areas, positive drainage must be provided to the north into the natural water course. Conditions must be present for vegetation to reestablish everywhere within the pit area. From 2013 CX 7. Given the slope and length of the road, it is recommended that at least one cross drain(culvert, rolling dip, etc.) be installed on the road to drain water from the west side of the road to the east and away from the road prism. Not installing the drain would not result in excess resource damage; however it would lead to extra maintenance in the long term. 8. If the road expansion project involves oil or fuel usage, transfer or storage, an adequate spill kit and shovels are required to be onsite during project implementation. The project proponent will be responsible for adhering to all applicable local, State and Federal regulations in the event of a spill, which includes following the proper notification procedures in BLM's Spill Contingency Plan. General 9. Compliance with CO Division of Reclamation, Mining and Safety Permit#M1994-092 and associated requirements. 10. Compliance with 43 CFR 3600. 11. All reclamation obligations will be carried over from the old contract, COC-080442/105848443, to COC-106377246.