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onitoring Well Detail <br /> PROJECT NUMBER 1628G BORING 1 WELL N0. MW-8 <br /> PROJECT NAME Roberts Petroleum Services TOP OF CASING ELEV. ' - <br /> COUNTY San Joaquin GROUND SURFACE ELEV. - - - <br /> WELL PERMIT NO. <br /> 90-879 DATUM <br /> k Idl EXPLORATORY BORING <br /> QOOQ � �0o a. Total depth 61.5 ft. <br /> gb. Diameter 10 in. <br /> Drilling method Hollow Stem Auger <br /> l WELL CONSTRUCTION <br /> k <br /> C. Casing length <br /> Sc' 60 ft <br /> e h Material Schedule 40 PVC <br /> d. Diameter ,li 4 in. <br /> a e. Depth to top perforations 40 ft <br /> c f. Perforated length 20 it <br /> Perforated interval from 60 to 40 ft. <br /> i <br /> Perforation type Machine Slot <br /> ;�;�• ;:;�• Perforation size 0.020 in. <br /> g. Surface seal <br /> Seal material Concrete <br /> h. Backfill p 36.5 ft, <br /> r:'r• Yr:�r• Backfill material Cement/Bentonite Grout <br /> YfYf• � i^fi^j• i , <br /> i. Seal 1.5 ft. <br /> r,f, •,f,r, Seal material Bentonite <br /> Gravel pack 22.5 ft. <br /> fYf. — Yom' Pack material ionestar#3 Sand <br /> •j•j• •j•ja <br /> k. Watertight Vault Box <br /> - - <br /> EMT <br /> 1A1Ar• 1+r5rf• ,� <br /> tiw• ti:ti' <br /> 5rtir• Y�• <br /> 'f'fY1r�r� • F <br /> PI <br /> �—b--� EXCELTECH <br /> E <br />