WORK PLANS_PART 1 FILE 1 - Laserfiche WebLink

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spontaneous potential curve, gamma curve, and two resistivity curves or (2) an induction - electrical survey with a spontaneous potential curve, a 16 inch normal curve, and a 40 inch focused induction curve. The field copies of the logging output will be approved by the supervising geologist before the logging service is released from the site. 2.3.3 Abandonment of the Borehole Upon completion, the borehole must be grouted to ground surface utilizing tremmie techniques. The grout will be tremmied from the bottom of the hole upward to displace the drilling fluids in the borehole. The grout may be prepared on-site by the Contractor or subcontracted to a local cement service company. 2.3.4 Contractor's Evaluation Upon completion of the borehole, the Contractor and the supervising geologist shall meet to discuss recommendations for satisfactory completion of the well necessary to meet these specifications and the required guarantees. The discussion shall include the screened interval, screen slot size, and the type and grading of the sand or gravel pack recommended by the Contractor. 2.3.5 Extraction Well Borehole Subsequent to the Contractor's and supervising geologist's evaluation, a 14 inch diameter borehole shall be drilled to a nominal depth of 210 feet bgs or the depth determined by the logging survey, utilizing ARCH drilling method. 2.3.6 Casing and Screen Components in the well shall include casing and screen installed to a 9