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0 <br />C <br />r <br />rl <br />L' i <br />C <br />I <br />1.5 CONSTRUCTION SCHEDULE <br />SWD will schedule installation of the GW monitoring well after approval of <br />drilling permit from San Joaquin County Environmental Health Department <br />(EHD). Drilling and installation of GW well will take minimum of 4 working <br />days. The work hours will be Monday to Friday from 7:00 am to 4.30 pm. <br />1.6 UTILITIES CLEARANCE <br />Prior to drilling, Underground Service Alert (USA) will be notified. Drilling <br />location near overhead power lines will be checked for drill rig clearances <br />before drilling: Well location will be adjusted as needed. <br />2.0 WELL DRILLING <br />The well will be drilled and developed by Gregg Drilling, a licensed C-57 <br />Contractor. A hollow stem auger drill rig is anticipated to be used to drill the <br />wells. If the drillings becomes difficult, then a different type of drill rig will be <br />brought in. <br />SWD's consultant soils Engineer or Geologist will observe the drilling and <br />develop a boring log. Spoils will be dispersed around the drilled boring. <br />2.1 UNCOMPLETED BORINGS <br />If the boring is not drilled to depth by the end of a working day, the hollow stem <br />auger will be left in the uncompleted boring. The opening of the auger will be <br />covered to prevent materials falling inside the auger. The drilling area will be <br />cordoned with safety cones. <br />2.2 ABANDONED BORING <br />Borings that are difficult to drill or do not encounter groundwater will be <br />abandoned as determined in the field by SWD. A new boring will be drilled. <br />Abandoned borings will be grouted with neat cement. <br />►' �► ►Ill �' X11ll ' OIL <br />It is anticipated that the groundwater wells will be constructed immediately after <br />drilling. Well construction will be according to the well details (Figure 2) and to <br />the technical specifications (Appendix A). SWD's consulting Soil's Engineer or <br />Geologist will log the well installation and provide well logs. <br />FH-NIW-6 GW Well Installation San Joaquin County <br />September 17, 2014 Department Of Public Works <br />2 Solid Waste Division <br />