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2" MIN CLEAR <br />BOLLARDS IN ENCLOSURE <br />SEE NOTE 1 <br />Z"IVU VVLLL L ASINU <br />N <br />1" MONIT. WELL PLUG <br />3 T <br />2" MIN 4" <br />2FT <br />a � <br />GROUND <br />®BENTONITE <br />SURFACE <br />'- O <br />CLASS 2 AG BASE, 5 FT 2 T <br />L 10 FT <br />ALL AROUND <br />!O_ <br />O <br />O <br />� Q <br />Lu <br />r - <br />z 1 FT CENTRALIZER (TYP) BOUND TO 2" CASING 20 FT O.C. <br />ITORING WELL PLUG <br />L ENCLOSURE WITH <br />(ABLE COVER, CENTERED ON BOTH PIPES <br />x 4" CARRIAGE BOLT IN WET CONCRETE. <br />BOLT HEAD FLUSH W/ CONCRETE <br />CRETE PAD <br />.RIBE WELL NO. AND DATE IN WET CONCRETE <br />GROUND SURFACE <br />IES, 3 MIN <br />(q <br />Z"IVU VVLLL L ASINU <br />N <br />1" PVC WELL CASING <br />a � <br />777, <br />®BENTONITE <br />'- O <br />L 10 FT <br />!O_ <br />O <br />� Q <br />Lu <br />r - <br />z 1 FT CENTRALIZER (TYP) BOUND TO 2" CASING 20 FT O.C. <br />Lu 5 =T <br />FOR AIR AND MUD ROTARY RIG INSTALLATION ONLY <br />0 <br />Lu <br />0 5 T <br />= — <br />= <br />w <br />— <br />o <br />o s <br />- — GROUNDWATER <br />U <br />Lu <br />- — <br />— <br />a <br />U) <br />— <br />- — <br />= = 2 X 12 SAND PACK <br />— <br />x <br />LJ <br />ft <br />- <br />=_ <br />- = 0.02" SLOTTED WELL SCREEN (TYP) <br />= SEE NOTE 2 <br />1 <br />- THREADED BOTTOM CAP (TYP) <br />MIN. 1" SAND <br />3/8" 0 HOLE <br />NOTES: BELOW CASING <br />1 ,t <br />1. MAINTAIN EXISTING BOLLARDS -NEW BOLLARDS NOT REQUIRED. <br />2. GROUNDWATER PUMP NOT SHOWN. INSTALL PUMP WHEN DIRECTED BY THE ENGINEER. <br />3. PRESENCE OF SAN JOAQUIN 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 />SCALE: <br />COUNTY OF SAN JOAQUIN <br />2013 GROUNDWATER <br />GROUNDWATER WELL <br />FIGURE <br />NONE <br />WELL INSTALLATION <br />PROJECT <br />DETAIL <br />4 <br />