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TRAFFIC RATED WELL COVER <br /> **Note:3 FEET OF 1/4"TEFLON TUBING WILL BE <br /> ABOVE GROUND SURFACE(Not illustrated) <br /> SURFACE GRADE or <br /> 1/4"TEFLON TUBING <br /> +3(above grade)-5.8 FEET bsg <br /> NEAT CEMENT WITH BENTONITE,0.5-4.5 FEET bsg <br /> DRY GRANULAR BENTONITE SEAL,4.5-5.5 FEET bsg <br /> if <br /> VAPOR TIP <br /> 5.8-6.0 FEET bsg FILTER PACK(#2/12 SAND)5.5-6.5 FEET bsg <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE 4"BOREHOLE DIAMETER <br /> AdvancedGeo DATE JANUARY2019 <br /> Environmental SOIL-VAPOR WELL DESIGN FILE WD <br /> WATERLOO FOOD AND FUEL DRAWN BY:VPS <br /> PROJECT NO. 99-0559 <br /> 3032 EAST WATERLOO ROAD <br /> www.advgeoenv.com STOCKTON, CALIFORNIA FIGURE: 4 <br /> (800) 511-9300 <br />