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' PROPOSED AIR SPARGE WELL CONSTRUCTION <br /> DETAILS FOR AS-33 <br /> ' DEPTH FROM G.S.(FEET) <br /> I FLUSH-MOUNTED STEEL TOP OF STEEL BOX FLUSH MOUNT <br /> TRAFFIC RATED WELL BOX <br /> GROUNDSURFACE <br /> ' - 2"THREADED PVC SCH GROUND SURFACE <br /> 80 CAP WITH 1/4" <br /> BRASS QUICK CONNECT <br /> FOR PRESSURE GAUGE TOP OF CASING -0.5'BGS <br /> ' 2'AIR SPARGE <br /> CONNECTOR <br /> TOP OF CEMENT P BGS <br /> 2'BLANK SCH 40 PVC GROUT SEAL <br /> = PORTLAND CEMENT AND<5% <br /> BENTONITE POWDER <br /> ' AS-33 <br /> ' TOP OF BENTONITE CHIPS 80' <br /> TOP OF#3 SAND 83' <br /> N3 LONESTAR SAND TOP OF SCREEN 85' <br /> ' BENTONITE CHIPS <br /> ' #3 LONESTAR SAND BOTTOM OF SCREEN 90' <br /> 2"(#2(1 SLOT)SCH 40 PVC <br /> BASE OF 93 SAND 91' <br /> BOREHOLE DIAMETER: APPROXIMATELY 10' <br /> BOTTOM OF BOREHOLE 91' <br /> ' NOT TO SCALE <br /> PROPOSED WELL CONSTRUCTION DETAILS <br /> Former UNOCAL Station 5098 <br /> 5400 and 5606 Pacific Avenue Air Sparge Well <br /> 10411 Placerville Ste 210 AS-33 <br /> Sacrameenn 958to,California 95827 Stockton,California <br /> Phone:(916)362-7100 DRAWN BY DATE PROJECT NUMBER <br /> Fax:(916)362-8100 <br /> Web:WWW.ENSR.COM D PARTIDA 3/31/2005 PR 06940-293 <br /> ' J:\Projects\06940\5098-293\CAD\1005\5098_WELL-CONSTRUCTION as-33.dwg,3/31/2005 9:44:26 AM <br />