COMPLIANCE INFO_FILE 7 - Laserfiche WebLink

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4. The Engineer will inspect standpipe installations. Contractor will be responsible for any modifications to standpipe installations requested by the Engineer. B. Soil Vapor Monitoring Probe: 1. Place well box such that top of lid extends approximately 1/2 inch above rough grade. 2. Survey top of well box_ 3. Set well boxes in-place with concrete as indicated. 4. The Engineer will inspect well box installations. Contractor will be responsible for any modifications to well box installations requested by the 3.7 CONTAINMENT AND DISPOSAL OF DRILLING SPOILS AND DRILLING FLUIDS A. All drilling equipment and tanks or bins used for containment of fluids and solids generated during drilling activities must be decontaminated prior to arrival at the Site. The Engineer will inspect all equipment prior to the start of drilling operations. ' 1. The driller shall steam clean all equipment used down-hole prior to f commencement of drilling and shall containerize all decontamination 11 water. f B. Solids and Fluids Containment and Disposal: As specified in Section 02671- �_ Dual Phase Extraction Wells and Soil Vapor Extraction Wells. 3.9 CLEANING AND SURVEY A. Clean work area, re-grout if necessary. B. At completion of well activities at a specific well location,the well shall be marked with an identifier to facilitate subsequent surveying. C. Contractor shall survey all new wells to define location and elevation. 1. A state-licensed surveyor shall perform survey. 2. All surveying activities shall be conducted under supervision of the Engineer. 3. Wells shall be surveyed both horizontally and vertically using the existing control monument specified in Section 01500. 4. The location of the top of the well casings shall be established to the nearest+/-0.01 foot vertically and the nearest+/-0.1 foot horizontally. l END OF SECTION 02672-5 ERM 10/98