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'r c <br /> r <br /> VAPOR EXTRACTION WELL <br /> CONSTRUCTION DETAILS <br /> PROJECT: 13EACON STATION #494 VAPOR EXTRACTION WELL NO.: VW-2 <br /> 2185 E FREMONT ST <br /> STOCKTON, CA <br /> Protective Casing <br /> fI I I= Locking Water Tight Cop <br /> ------ Flush Grade Well Construction <br /> Diameter and Mat'l 24 inches, steel <br /> ' Total Length 10 Inches <br /> Length Above Grade 1/2 Inch <br /> Thickness and Typo of Seal 1 foot, concrete <br /> ' Diameter, Material and 2—inch SCH 40 PVC <br /> CM Joint Type of Riser Pipe flush thread <br /> N N <br /> .1 <br /> 4: 4: of Backfill Around Riser Type 2 <br /> Portland cement <br /> Thickness and Type of Seal 2 feet, bentonite pellets <br /> Distance of Filter Sand 2 feet <br /> Above Tap of Screen <br /> Typo of Filter Around Screen #3 lonestar <br /> ' Monitoring Well Mat'l SCH 40 PVC <br /> Screen Gauge/Slot Size 0.02—inch <br /> Diameter and Length of Screen 2 Inch, 15 feet <br /> Completion Depth 40 feet <br /> 1 <br /> Type of Backfill Around Riser bentonite chips <br /> ' Thickness and Type of Seal 2 feet, bentonite pellets <br /> Distance of Filter Sand 2 feet <br /> ' Above Top of Screen <br /> Type of Filter Around Screen #3 lonestar <br /> Monitortng Well Mat'I SCH 40 PVC <br /> Screen Gauge/Slot Size 0.02-1neh <br /> Diameter and Length of Screen .2 -inch, 13 ..feet. _ <br /> Depth to Bottom of Vapor Well 65 feet <br /> Thickness and Type of Seal 10 feat, bentonite chips <br /> Total Depth 75 feet <br /> 16 in <br /> ' COMPLETED: 9:00 12-8-82 <br /> ' ACTON is MICKELSO • <br /> N VAN DAM, INC. <br />