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WELL CONSTRUCTION DIAGRAM <br /> Proposed Nested Air Sparge/Soil Vapor Extraction Well <br /> San Joaquin County Motor Pool, 1810 E. Hazelton Ave.,Stockton <br /> a o_ <br /> I ¢ <br /> ~ �N <br /> a 6� <br /> w wo <br /> WELL COMPLETION: Expansion cap,lock, 18-inch diameter flush-mount,traffic-rated street box <br /> 0 BOREHOLE: 10-inch diameter,drilled by hollow-stem auger drilling rig. <br /> BLANK WELL CASING: 1-inch diameter pvc(0.62 feet) <br /> 5 <br /> BLANK WELL CASING: 2-inch diameter pvc(0-33 feel) <br /> 10 <br /> 15 <br /> 20 <br /> 25 SURFACE SEAL: Neat cement grout(3-27 feet) <br /> BENTONITE SEAL: Hydrated bentonite chips(27-31 feet) <br /> 30 <br /> FILTER PACK: Monterey#3 sand(31-48 feet) <br /> 35 <br /> WELL SCREEN: 2-inch diamter pvc(33-48 feet) <br /> 40 <br /> 45 <br /> SLIP CAP.pvc <br /> 50 el. <br /> BENTONITE SEAL: Hydrated bentonite pellets(48-60 feel) <br /> 55 <br /> 60 <br /> FILTER PACK: Monterey#3 sand(60-65 feet) <br /> WELL SCREEN: 14ch diamter pvc,microporous bubler KVA spargepoint(62-65 feet) <br /> 65 <br />