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M <br /> - WELL DETAILS <br /> PROJECT NUMBER 171-9b BORING/WELL NO. rtwl <br /> PROJECT EVREviE ][ARKEN MARKETING <br /> TOP OF CASING ELEV.-29.9 ' <br /> HMC LOCATION r//104878 GROUND SURFACE ELEV. N/A <br /> LOCATION YOSEDfiTE AVENUE MANTECA DATUM TEMPORARY llENCH]]AI <br /> WELL PERMIT NO. INSTALLATION DATE 41'?1'91 <br /> TOC(Tap of casing) <br /> 6'steel traffic lid <br /> Ground Surfaco <br /> k. ;�, 9 <br /> EXPLORATORY BORING <br /> ., ;. <br /> a, Total depth 25 ft. +l <br /> b. Diameter 11.5 in. <br /> Drilling method HOLLOW STEM AUGER <br /> e <br /> -aw d h WELL. CONSTRUCTION <br /> 25 ft. <br /> c. Total casing length <br /> Material SCHEDULE 40 P.V.C. <br /> 4 in. <br /> d. Diameter <br /> a c e. Depth to top perforations ]n.0 ft. <br /> ' E f. Perforated length 14 ft. <br /> Perforated interval from 14.0 to 24.0 it. <br /> Perforation type SLOTTED <br /> Perforation size 0.b20 In. <br /> g. Surface sea] 0.5 it. <br /> Material,.. .': CONCRETE <br /> f 4.5 ft, <br /> h. Backfill — � <br /> Malersa, 7 SA^?c CEI~E LU Y <br /> i. Sea] <br /> Matsrial 3I8" BENTONITE PELLETS <br /> 17 ft. <br /> :•; .;:,' :''': .. J. Gravel pack <br /> Gravel pack interval from 8 to 25 El. <br /> ;.; Maheria] #3 MONTEREY SAND <br /> k. Locking wellcap <br /> E. Depth to groundwater 17.79' ft. <br /> —b� <br /> A7 <br />