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1W.M511HILAMANTATIMUff, wTT INGAMMM <br />Location: North County Sanitary Landfill <br />CQA/Engineer: Kristin Sample, KS <br />Prepared by: KS <br />Owner/Client: San Joaquin County Public Works <br />ENGINEERING, -ECTOR <br />INC. <br />E <br />Contractor: LFG Control Inc. <br />Superintendent: Mark Penn (LFG) <br />Submitted to: SJC Public Works <br />Reviewed By: PH <br />Project No: 03-16-0203-00 Day of Week: Wednesday <br />Report Date: 7122109 Time on Site: 8:15 am <br />8:15 am: Arrived onsite. <br />8:30 am: Met with Pete (Vector), Mark (LFG) and drillers at SG -22. <br />9:10 am: At SG -20. Env. Health inspector Alfonso arrived. <br />9:10-9:25 am: Finished SG -20 well construction. Hydrated top of bentonite, covered hole. Env. Health <br />inspector Natalia observed final well. Alfonso offsite at 9:30 am. <br />9:40am: Began drilling SG -19. Logged soils for 85 -ft hole. No sand lenses observed within the 43ft-48 ft <br />zone. <br />1:30 pm: Env. Health inspector Natalia at SG -19 site. <br />1:50 pm: Finished drilling SG -119. <br />2:00 pm: Measured pipe lengths and perforated sections. Env. Health inspector observed. Ok to proceed. <br />2:10 pm: Began constructing SG -19 well. <br />2,20 pm: Shortly after placed deep probe, lost end of probe pipe. Could see pipe end about 2 ft bgs. <br />Pulled auger to attempt to grab pipe end and check for problem. <br />3:00 pm: Got pipe end again. Pipe back to sitting original height above ground surface. Hole still open. <br />Measured hole depth — has I ft of gravel (they had placed about 1 bucket), depth to gravel= 8411. <br />3:05 pm: Env, Health Natalia went to other drill site (SG -17) to discuss concerns about probe pipe damage <br />with Mike Carroll and Joyesh (Solid Waste). Well construction halted. <br />3:15 pm: Drillers were told OK to proceed with construction, as relayed by Natalia (Env. Health) and Mark <br />Penne (LFG). <br />3:30 pm: Construction of well SG -19 completed, Approved by Env. Health inspector Natalia. <br />3,45 pm: Offsite. <br />D <br />Ws <br />