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1 1i~':. <br />c,\ - <br />_{~ <br />1 <br />WATER <br />WASTE <br />& LAND <br />t~~. <br />November 22, 1993 <br />WWL #390 <br />' VIA FACSIMILE <br />State of Colorado <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />' Denver, CO 80203 <br />Attention: Larry Oehler , <br />' Environmental Protection Specialist <br />Subject: Battle Mountain Resources Inc. -San Luis Mine <br />' Weekly Construction Activity Uptlate - 11/11/93 through 11/19/93 <br />Dear Larry, <br />Contained in this letter is information concerning WWL's observations of c;onstruction <br />activities and our review of current construction quality assurance testing prot:edures and <br />results. This information was collected during two separate trips to the Batt a Mountain <br />Resources Inc. (BMRII San Luis Mine site; the first on November 11, 1993 and the second <br />from November 17 through 19, 1993. This work coincides with Tasks 2 and :3 of WWL's <br />' work scope. <br />CONSTRUCTION ACTIVITIES -NOVEMBER 11, 1993 <br />' On this day, construction activities consisted exclusively of placement of liner drainage <br />blanket material required beneath random fill for the access road to the north end of the <br />' embankment raise. BMRI had placed road construction as a high priority so that a continuous, <br />one-way haul road could be utilized for embankment raise construction. Alana S~:ott of BMRI <br />estimated that embankment construction would begin the following Tuesdr:y (11/16/931. I <br />' verified that liner cover material was being utilized on the liner, and that there were no <br />materials greater than 1'/~•inch size present. <br />t CONSTRUCTION ACTIVITIES -NOVEMBER 17 - 19, 1993 <br />' During this period the following construction activities were undertaken. <br />• Embankment -Three 3-foot lifts were placed and compacted on the southern end of <br />' the embankment. Prior to placement of the lifts, snow was removed from the existing <br />fill, and the existing surface was scarified. Embankment construction has been <br />continuing 24 hours a day. Several items of note include: <br />1 <br />2629 Redwing Rd. Suite 200, Fort Collins, Colorado 80526 <br />(303)226-3535 <br />fax (303) 226-64 i 5 <br />' Consulting Engineers and Scientists <br />