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i <br /> TO 6" THK. CONCRETE <br /> PAD <br /> STANDARD STEEL TRAFFICBOX OR VAULT <br /> PLAN <br /> 4" TO 6"THK. CONCRETE PAD <br /> EXISTING GRADE <br /> STANDARD STEEL TRAFFIC BOX OR VAULT <br /> _ LOCKING <br /> WELL CAP <br /> CEMENT SEAL <br /> BENTONITE PELLET SEAL i <br /> 2-INCH BLANK PVC CASING <br /> •t t•t <br /> I <br /> 'i ~'•' r' BOREHOLE <br /> f� tft f� <br /> t i•i <br /> f Cf; f• 2-INCH PVC CASING (0.020-INCH SLOT) <br /> fti t S <br /> •i tai <br /> 1-INCH BLANK PVC CASING <br /> •i i•t <br /> •t t•t <br /> f. �l. l• <br /> i ti.t CLEAN IMPORTED SAND (LONE STAR <br /> rti ��ti f' COARSE AQUARIUM OR EQUIVALENT) <br /> ti r' GROUNDWATER SURFACE (TYPICAL) <br /> S tai `• <br /> PVC BOTTOM CAP <br /> 1 i•1 i i i• <br /> f• tV•r•t•�+ <br /> i ~"t"t"t't•'. CLEAN IMPORTED SAND (#3 LONE STAR, f•r•r•r.r• , <br /> t t•t•t i•i• <br /> OR EQUIVALENT) <br /> t i•t•t•iH• <br /> BENTONITE/CEMENT SEAL <br /> 1� it t rti�•l• <br /> f ti•t•t•t•t• <br /> ;•t•,•i•i• 1-INCH PVC CASING (0.020-INCH SLOT) <br /> rti tfti tifti�:• <br /> r �1+f'~l 1• <br /> f• rtil l�l�l l• 4, <br /> PVC BOTTOM CAP <br /> SECTION NOT TO SCALE <br /> FIGURE 3. TYPICAL DUAL COMPLETION-SOIL VAPOR EXTRACTION/AIR SPARGING WELL <br />