2012-05-08_PERMIT FILE - C2009087A

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RULE 2 - PERMITS • Lube Storage — Includes Storage Tanks • Bath House • Fuel Tanks and Spill Containment Area • Substations — Internal substations are required facility area, main substation belongs to YVEA • Pond 002 Pump Facility — facility to remain as permanent as required by the State Engineer's Office • Office • Two Water Wells — Shop Well and Well CCU087 • Parking lots, fences, roads, and ancillary structures (including culverts) associated with the previously mentioned features /structures • A security building will be constructed at the boundary to the property. The security building will be a 12 x 40 foot wood -frame structure on a 15 x 45 foot, 4 -inch thick concrete slab. • A modular bathhouse 24 feet wide and 70 feet long will be placed between the shop and existing bathhouse. The temporary building will be placed on 9 concrete sleepers poured on 8 foot centers. Each sleeper will be 20 feet long, 2 feet wide, and 1 foot deep. • A pump house at the Wadge Pond will be constructed to pump water out of the pond to the 1 million gallon water storage tank. The pump house will be 20 feet by 30 feet and be constructed on a concrete slab of the same size 8 inches in thickness. Mine facilities in the north end are currently bonded under the former Seneca II Mine. On approval of the PSCM Permit, the performance bond for these facilities and the associated disturbance areas will be transferred to PSCM. A description of those features /structures and the associated bond amounts are presented in Exhibit 2.05.3 -E1, Mine Facilities (North End) Details. There will be additional facilities constructed or relocated to facilitate operations. These facilities include: Fuel Tanks and Spill Containment Area — An additional fueling pad will be constructed next to the converted wash area from the Seneca Mine to facilitate equipment fueling. The addition will be approximately 14 feet x 25 feet and contain 15 yds3 of concrete. Bath House /Septic System — A new septic system will be installed to accommodate the two (2) bathhouses for the mine employees. The septic system will include the following: • Building Cleanouts • New Septic Tanks — One 1,000 gallon, single - compartment, pre0cast concrete tank will serve as the primary septic tank for both bath houses and will be followed by a 1,000 - gallon, pre -cast concrete, two - compartment tank that will serve as the dosing tank. Primary treated effluent from the septic tank will gravity flow to the 1,000 - gallon dosing tank adjacent to the drainfield. • Septic Drainfield — The drainfield consists of two, 11.3 ft by 68 ft long chambered sections. Runoff from the area disturbed will be directed to the Shop Diversion Ditch which reports to Pond 003. During Construction, BMPs (e.g. wattles, berms, etc.) will be employed to direct the runoff and control runoff and sedimentation from entering the adjacent undisturbed area. The existing drainfield, located to the southwest of the existing bath house will remain in place, but be converted, through replumbing to accept the backwash from the existing water softener. The new MR -08 2.05 -11 Revision 04/12