USDA, Forest Service, SW Idaho/Nevada Acquisition Office, 1750 Front Street, Boise, Idaho 83702

Y -- GRANTSVILLE MINE HEAP LEACH PAD RECLAMATION ON THE TOIYABE NATIONAL FOREST SOL IFB-R4-17-95-07 due 092595 Contact Point, Ethel Hill at 208-364-4128 This contract is for the supply of all equipment and installation of a heap detoxification system including a water rinse of the heap, if necessary and a long term passive bioreactor treatment of the heap effluent. The Contractor shall install the necessary equipment, provide all necessary supplies, chemicals and technology required to detoxify the heap to meet current Nevada drinking water standards relative to weak acid dissociable (WAD) cyanide concentration levels of 0.2 parts per million or less. The existing preg pond shall be modified prior to biodetoxification and used as a holding pond to facilitate the biodetoxification process. At the conclusion of the biodetoxification, the preg pond shall be incorporated into the passive bioreactor system. The system shall include all gages, piping, meters, liners and infiltration fields associated with biotreatment and eventual infiltration of heated heap drain water. The project site is located in the SE 1/4 of Section 3, t. 11N., R. 39 E., Mt. Diablo Meridan near the historic mining town of Grantsville, Nevada (approximately 4 miles south and west of Berlin-Inchthyosaur State Park via Forest Roads #411 and #108). Work is estimated to begin no later than September 29, 1995 with 150 calendar days for completion. Price range is estimated to be between $100,000 and $250,000. This proposed procurement is under the Small Business Competitiveness Demonstration Program (222)

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