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Well cap <br /> Ground Surface ` <br /> 4 4 * <br /> e o ' <br /> O 4 <br /> D \ v <br /> Cement Bentonite 4" <br /> grout seal, Sch. 40 <br /> flush couple PVC <br /> well casing <br /> D ° <br /> D ° ^ <br /> D 4 <br /> ° Boring wall <br /> Spacer, 1" <br /> Fine sand or — <br /> granular bentonite. <br /> 4 <br /> p — O <br /> Sandpack <br /> Lapis 1c sand <br /> 4" or equivalent. <br /> Sch. 40 PVC <br /> Extends at least <br /> well screen. one foot above <br /> 0.02 slot size. <br /> screens, <br /> RMC PACIFIC MATERIALS <br /> 6601 KOLL CENTER PARKWAY-P BOX 5252-PLEA5^',f VfJ.CAL IFORNIA 94566 <br /> T icol Well Construction: Fi ur-e 2 <br /> er inger ggnegate ant <br /> DATE SCALE DRAWN FILE REVISION DATE REV <br /> 5/3/02 N/A I LS/RA Ker--lwell <br />