2025-03-11-minutes-solid-waste-and-maintenance

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Monitoring Well B8 Plans and Specifications Kitutas County Solid Wrote 2.1.4 Well Site Well -site safeguards shall include keeping all materials covered with plastic sheeting, off the ground, and ensuring that they are touched only with clean tools and gloves. Equipment or materials to be inserted into the well borehole must not be allowed to touch noncovered ground surface. 2.1. S well Construction Records The CONTRACTOR shall keep a daily written log of operations, including size and length of the casing placed, character, depth and thickness of ell formations penetrated, causes of delays, and screen locations. Duplicate copies of this logshall be furnished to the GEOLOGIST atthe end of each workday. The CONTRACTOR will notify the GEOLOGIST of drilling condition changes and note these on the written log including drill penetration rates, lithoiogy changes, and saturation. 2.1.6 Soil Samples The CONTRACTOR shall assist the GEOLOGIST in the collection of soil samples recovered from the drilling actions. The CONTRACTOR will retain continuous soil samples placed in bags recovered in 10- foot intervals. The CONTRACTOR shall clearly mark sample bags at a minimum 5-foot intervals and place the bags in order on plastic sheeting for review by the GEOLOGIST. The CONTRACTOR shall delineate to the extent feasible any slough within the recovered sample cores. 2.1. 7 waste Soil / Refuse / Cuttings The investigation -derived waste soil cuttings will be stockpiled on site and disposed of by the OWNER. The CONTRACTOR shall place all unused soil cuttings into the stockpile following confirmation by the GEOLOGIST. If the CONTRACTOR identifies additional cuttings or slough, these shall be disposed of in the stockpile. Disposal of waste soil and cuttings will be the responsibility of the OWNER. Refuse not meeting the requirements of acceptance criteria shall be disposed of off -site by the CONTRACTOR at no incidental expense to the OWNER. 2.2 New Well Drilling The CONTRACTOR shall drill and construct one 2-inch diameter well in accordance with the details shown in the plan sheets and described in these Specifications using sonic drilling techniques with a minimum borehole outer diameter of 6.375-inches in accordance with Chapter 173-160 Washington Administrative Code (4-inches greater than the permanent casing diameter of 2.375-inches). The well will be drilled through overburden, dipping Columbia River Basalt, and into the top of the Vantage Interbed. Sheet E-2 displays the approximate location of the well. Sheet A-3 shows the approximate drilling depth and construction requirements. Cross sections are included in Appendix C. The well is anticipated to be drilled to approximately 200 ft bgs. Final depths and construction shall be determined based upon field conditions. Measurement and payment for drilling and construction shall be by linear vertical foot for the unit prices as detailed in Section 4. The well is designated as a resource protection well requiring a resource protection well driller's license for installation. February 2025 1553-1763-010