Loren Data Corp.

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COMMERCE BUSINESS DAILY ISSUE OF NOVEMBER 10,1998 PSA#2219

Department of the Interior, U.S. Geological Survey, 345 Middlefield Road,Mail Stop 285, Menlo Park, CA 94025-3591

F -- SHOTHOLE DRILLING IN THE SEATTLE, WASHINGTON AREA. SOL IFB 99WRSS0002 DUE 010599 POC Rita A. Leach, (650) 329-4162, FAX (650) 329-5480 E-MAIL: Click here to contact the contracting officer via, rleach@usgs.gov. The U.S. Geological Survey, Menlo Park, California, has a requirement for drilling services in the vicinity of Seattle, Washington, between Mt. Constance and Twin Peaks. The contractor will be required to drill approximately fifty-seven (57) holes in 35 locations -- 27 holes @ 60', 2 holes @ 65', 8 holes @ 70', 11 holes @ 80', 2 holes @ 100', 1 hole @ 140', 2 holes @ 150', and 4 holes @ 170'. The holes are to be nominal 8" diameter (whether in hard rock or steel cased). The contractor is required to provide a drill rig, in good working condition, suitable for this drilling project. The contractor will be required to provide, deliver and install approximately 1,770 feet of steel casing. The holes are required for a seismic survey. Drilling is expected to start in late February and shall be completed by early May, 1999. The material through which the holes are to be drilled may cover the entire geological spectrum and include sedimentary rock, both unconsolidated (gravel and sand, i.e., alleuvium orglacial till) and consolidated; igneous rocks; and metamorphic rocks. The area of the experiment is underlain by rocks that vary considerably in hardness. Consequently, the Contractor must be prepared to complete the required drilling through any formations that may be encountered within the general geologic description. Issuing date of sol is o/a December 4, 1998. See Note 1. Posted 11/06/98 (W-SN269461). (0310)

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