1999-04-26_PERMIT FILE - M1999051

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Project construction is scheduled to start during August, 1999. The facilities initially built will be for the pilot plant and will be eventually expanded to accommodate the full production plant requirements. As indicated in Section 1, Description of Project Site, the experimental pilot production plant is anticipated to produce sodium bicarbonate at a 50,000 tpy rate. The pilot plant construction is anticipated to have the following schedule: • construction mobilization —August, 1999; • site access road construction —August to October, 1999; • site clearing, grubbing and topsoil salvage—August to October, 1999; • excavation for foundations —August to October, 1999; • drill ground water monitoring wells -August to December, 1999, • place foundations—August, 1999 to January, 2000; • erect and install process building — December, 1999 to July, 2000; • install process equipment— December, 1999 to May, 2000; • install aboveground piping —January to April, 2000; • underground utilities—September, 1999 to January, 2000; • build electric transmission line to site—June, 1999 to January, 2000; • install underground communications line to site—June, 1999 to January, 2000; • install underground gas line to site—June, 1999 to January, 2000; • install underground injection/solution mining wells —September, 1999 to June, 2000; • build product railroad loading facilities in Rifle— March to June, 2000; • build process wastewater ponds— May to August, 2000; • build water storage pond—April to June, 2000; • install septic tank and soil absorbtion system —June to August, 2000; • begin plant start-up—July, 2000 • begin operating plant and shipping sodium bicarbonate—August, 2000. As indicated in Section 1.6 Project Site Development, if commercially feasible the pilot plant will be expanded to accommodate a production of 75,000 tpy after approximately 5 years. G:\LMVV\78545.002\Reclamation\Reclamexh.DOC D-11