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4. Soil backfill in the first abandoned boring. Soil backfill in other <br /> abandoned boring will be placed based on the procedure observed by <br /> EHD, and not necessarily in the presence of EHD <br /> 5. Excavation of lateral trench in the vegetative layer <br /> C. The Contractor shall notify EHD Unit 6 inspector(s) at least two (2) working <br /> days in advance for the first inspection. The Contractor shall schedule <br /> consecutive required inspections with EHD minimum of 24-hours notice. <br /> Contractor shall coordinate all inspections within EHD's inspection time <br /> from 9.00am to 4.00pm. <br /> D. Contractor shall call (209) 468-3422 to schedule inspections with EHD. <br /> After scheduling inspection, the Contractor shall provide the Engineer <br /> EHD's inspectors name and inspection time. <br /> 3.03 DRILLING <br /> A. The boring locations of each well will be staked by the County. The <br /> proposed locations may be adjusted due to site conditions by the Engineer. <br /> B. Well depths may be changed in the field by the Engineer based on field <br /> conditions. <br /> C. Well bottoms are above groundwater table. Notify the Engineer if water is <br /> encountered during drilling. The Engineer will advise the Contractor as to <br /> whether drilling is to continue, or whether the boring shall be abandoned. <br /> D. Contractor shall select drilling methods. <br /> E. Drilling equipment shall be clean of previous environmental contamination. <br /> Equipment will be inspected by the Engineer for fluid leaks which could <br /> potentially mix with and contaminate site materials. Deficient equipment <br /> will be rejected, to be replaced by acceptable equipment at no additional <br /> cost to the County. <br /> Construction Specifications San Joaquin County <br /> LFG Extraction Wells Public Works Department <br /> Harney Lane Sanitary Landfill 6 Solid Waste Division <br /> 10-30-09 <br />