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INSTALLATION OF FLUSH GRADE MONITORING WELL <br /> Project Country Club Exxon #7-3708 Monitoring Well No MW-4 <br /> 2705 Country Club Blvd Elevations <br /> Stockton, CA Top of Riser• -038 <br /> Delta No 40--91-838 Ground Level --- <br /> ' ,�~PROTECTIVE CASING <br /> L <br /> 1 -LOCKING WATEgTIGHT CAP <br /> FLUSH GRADE WELL CONSTRUCTION <br /> ' DIAMETER AND MATERIAL 8-inch steel <br /> TOTAL LENGTH 12 inches <br /> THICKNESS & TYPE OF SEAL 12 Inch concrete <br /> L2 <br /> 1 AMETEK, MATERIAL, & JOINT TYPE OF RISER PIPE 4-inch dram PVC flush threaded <br /> TYPE OF BACKFILL AROUND RISER <br /> Portland cement with bentonite <br /> L4 <br /> THICKNESS & TYPE OF SEAL <br /> 2 foot bentonite seal <br /> —D I STANCE OF F 1 L TFR SAND ABOVE TOP OF SCREE=N 3 5 feet <br /> TYPE OF FILTER AROUND SCREEN 2112 Sand <br />' MONITORING WELL MATERIAL <br /> PVC <br /> L3 <br /> --SCREEN GAUGE OR SIZE OF OPENINGS CSLOT SIZE) O 010-inch <br />' DIAMETE=R AND LENGTH OF SCREEN 4 Inch dram 15 feet <br /> - - DEPTH TO THE BOTTOM OF MON I TOR I NG WELL 26 5 feet <br />' -{DEPTH TO THE BOTTOM OF FILTER SAND 26 5 feet <br /> + -- TH I crNESS & TT PF OF SEAL NIA <br /> 1 <br /> �- - - -- DIAMETER OF BOREHOLE 10 inches <br /> L1 = 05 FT MonitoringWell Water Level Measurements <br /> L2 = 11 0 FT Date Time Water Level* <br /> L3 = 150 FT 02/11/92 12 42 p m 13 61 feet <br /> L4 = 265 FT <br /> Installation Completed <br /> Date 02/10/92 <br /> Time 12 10 pm <br /> � Defta <br /> �� * Measure Point Top of cash <br />