2000-03-24_REVISION - M1999002 - Laserfiche WebLink

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~~o~: ~ AMERICAN SODA, L.L.P III IIIIIIIIIIIII III 999 Kurt R. Nielsen General Manager 2717 County Road 215 I loc. N°`m < Parachute, CO 61635 r 2 V ~~S ~ ~ ^- T2-Z ~'eGl.n iC0. Thursday, March 23, 2000 RECEIVED MAR 2 4 2000 f Mr. Allen Sorenson Division of Minerals 8 Geology i o~ Colorado Division of Minerals and Geology 1313 Sherman treet, Room 215 Denver, CO 80203 Subject: Technical Revision - 112 Reclamation Permit (M-99-002) Piceance Site Temporary Lay Down and Parking Area Yankee Gulch Sodium Minerals Project Dear Mr. Sorenson: Telephone (970] 265-0427 Toll Free (a77) SODA-ASH Facsimile (970) 265-6165 f~~aaas ~8~6,00 i R- oo a In response to your Inspection Report dated January 27, 2000, American Soda would like to provide a Technical Revlslon to its 112 Reclamation Permit to include in the Yankee Gulch Project a 11.5-acre temporary construction lay down and parking area located just to the north of its Piceance Site facilities area currently under construction. This Technical Revision is intended to fulfill the Corrective Action requested in the Inspection Report and to provide the basis for DMG to calculate the additional bonding amount required to cover future reclamation of the lay down and parking area. The subject area was cleared and graded in mid,January, 2000 to provide both additional lay down area for construction equipment and materials and temporary parking for the construction workforce. The vast majority of this cleared area overlaps with the southern portion of the conditionally approved evaporation pond footprint discussed in the Reclamation Permit Application (refer to Section D.2.4.1, page D-6 and Figure D-2J. The total surface disturbance area of the evaporation pond would be 23 acres if built. However, at this time, the pond itself is not proposed for construction. Thus, the lay down antl parking area occupies the southern half of the evaporation pond area. The northern half of the pond area has not been cleared or disturbed to date and no disturbance of that area is proposed at this time. In terms of work completed to date, the lay down and parking area was cleared of its natural vegetation and graded nearly level. Topsoil from the lay down and parking area was salvaged and placed on the Piceance Site topsoil pile observed during the January 20, 2000 inspection. The volume of topsoil salvaged was approximately 9,270 cubic yards. A portion of the lay down area is being used for stockpiling excess cut material from the Piceance Site plant facilities. At the conclusion of construction, this material will be spread and graded over the lay down and parking area, the topsoil would then be replaced, and revegetation would then follow. It is important to note that the surface of the lay down and parking area was graded and compacted to provide a stable surface for parking and lay down purposes, but was not graveled or paved. As a result, this area will be relative)y easy to reclaim following completion of construction of the Piceance Site facilities in the fall of 2000. Attached is a map identifying the location of the lay down and parking area. Natural Sodium Products For A Cleaner Environment