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y <br /> 4" TO 6"THK. CONCRETE <br /> PAD <br /> STANDARD STEEL TRAFFICBOX OR VAULT <br /> i <br /> i <br /> I <br /> I <br /> 1 <br /> PLAN <br /> i <br /> 4" TO 6"THK. CONCRETE PAD <br /> EXISTING GRADE <br /> STANDARD STEEL TRAFFIC BOX OR VAULT <br /> i <br /> LOCKING <br /> WELL CAP <br /> CEMENT SEAL <br /> BENTONITE PELLET SEAL <br /> f <br /> 2-INCH BLANK PVC CASING <br /> •L L•L <br /> r• .r• r: <br /> L•t , <br /> :ti •i: <br /> fti •ifti f. BOREHOLE <br /> •L 1.1 c <br /> f~ '•f'. 2-INCH PVC CASING (0.020-INCH SLOT) <br /> 1-INCH BLANK PVC CASING <br /> l4 LfL f• I <br /> rti �r� t• <br /> CLEAN IMPORTED SAND (LONE STAR <br /> COARSE AQUARIUM OR EQUIVALENT) <br /> GROUNDWATER SURFACE (TYPICAL) <br /> r� 1tS f- <br /> fti •�r� t. <br /> -� PVC BOTTOM CAP <br /> fti ��yt•L•L'. <br /> r• t•r•r.r.r• <br /> L L•L•L•L•L••� CLEAN IMPORTED SAND (x3 LONE STAR• l•r•l•l•t• 1t <br /> 1 L•L•L•L•L• <br /> }ti ti tifti`s tif' OR EQUIVALENT) J <br /> . .r.t.t.r.r. <br /> I <br /> BENTONITE/CEMENT SEAL I <br /> �~ Ll~r:lSr�t• I <br /> 1 L•L•L•L•L• <br /> t• r•r•l•t•r• - I <br /> rti }•L•L-L•L• 1-INCH PVC CASING (0.020ANCH SLOT) <br /> r• r•t•r•r•r- <br /> L L•L L•L+L• <br /> r. r.r•r•r•r. <br /> L•L L+L•L• <br /> r r•r•r•r•r• <br /> I <br /> I <br /> PVC BOTTOM CAP i <br /> SECTION NOT TO SCALE <br /> r <br /> FIGURE 3. TYPICAL DUAL COMPLETION-SOIL VAPOR EXTRACTION/AIR SPARGING WELL <br />