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6 <br />2" MIN CLEAR ONITORING WELL PLUG <br />BOLLARDS <br />SEE NOTE 1 <br />IN ENCLOSURE <br />ELL ENCLOSURE WITH <br />1" MON IT. <br />WELL PLUG <br />LOCKABLE COVER, CENTERED ON BOTH PIPES <br />4" <br />1/2" x 4" CARRIAGE BOLT IN WET CONCRETE. <br />3 7 <br />SET BOLT HEAD FLUSH W/ CONCRETE <br />2"MIN <br />4" <br />2 FT <br />CONCRETE PAD <br />INSCRIBE WELL NO. AND DATE IN WET CONCRETE <br />GROUND <br />SURFACE <br />GROUND SURFACE <br />CLASS 2 AG BASE, 5 FT <br />T2T <br />ALL AROUND <br />DOBIES, 3 MIN <br />O <br />.O <br />NEAT CEMENT (TYP) <br />N <br />7 <br />U <br />O <br />� <br />O <br />O <br />U <br />tp <br />N <br />� <br />O <br />O <br />O <br />O <br />"` 2" PVC WELL CASING <br />� <br />s <br />-a <br />Q_ <br />1" PVC WELL CASING <br />O <br />O <br />L <br />— <br />CD <br />BENTONITE <br />L <br />O <br />10 FT <br />CL <br />O <br />' m <br />0 <br />FW - <br />z <br />1 FT <br />CENTRALIZER (TYP) BOUND TO 2" CASING 20 FT O.C. <br />w <br />5 <br />FOR AIR AND MUD ROTARY RIG INSTALLATION ONLY <br />w <br />C3 <br />5 FT <br />zo <br />GROUNDWATER <br />U <br />- - <br />v. <br />- <br />z <br />— — 2 X 12 SAND PACK <br />o <br />ft <br />- 0.02" SLOTTED WELL SCREEN (TYP) <br />�_ <br />— SEE NOTE 2 <br />1 FT— <br />THREADED BOTTOM CAP (TYP) <br />MIN. 1" SAND <br />I 3/8" 0 HOLE <br />NOTES: <br />BELOW CASING <br />Ic <br />1, MAINTAIN EXISTING BOLLARDS -NEW BOLLARDS NOT REQUIRED. <br />2. GROUNDWATER PUMP NOT SHOWN. INSTALL PUMP <br />WHEN DIRECTED BY THE ENGINEER. <br />3. PRESENCE OF SAN JOAQUIN <br />COUNTY ENVIRONMENTAL <br />HEALTH DEPARTMENT (EHD) IS REQUIRED FOR PLACING <br />MATERIALS WITHIN BOREHOLE, UP TO THE NEAT CEMENT SEAL. COORDINATE EHD INSPECTION WITH ENGINEER. <br />COUNTY OF SAN JOAQJIN <br />SCALE: <br />2013 GROUNDWATER GROUNDWATER WELL FIGURE <br />NONE <br />WELL INSTALLATION <br />DETAIL 4 <br />PROJECT <br />