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1 <br />i <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />2" MIN CLEAR <br />BOLLARDS IN ENCLOSURE <br />SEE NOTE 1 <br />1" MONIT. WELL PLUG <br />GROUND <br />SURFACE <br />CLASS 2 AG BASE, 5 FT <br />ALLAROUND <br />3 <br />2" MIN <br />uj <br />I- <br />0 <br />z <br />w <br />w <br />w <br />O <br />Gr <br />z <br />O <br />i= <br />w <br />w <br />CL <br />CD <br />z <br />GIS <br />N � <br />� v <br />rn <br />U (n <br />N e <br />N cu <br />3 <br />CL <br />N a <br />-a O <br />1) <br />�- O <br />CL <br />O <br />ral <br />4" <br />1 <br />1 FT <br />5 I- <br />20 ft <br />MONITORING WELL PLUG <br />WELL ENCLOSURE WITH <br />LOCKABLE COVER, CENTERED ON BOTH PIPES <br />4" <br />1/2" x 4" CARRIAGE BOLT IN WET CONCRETE. <br />SET BOLT HEAD FLUSH W/ CONCRETE <br />/CONCRETE PAD <br />. INSCRIBE WELL NO. AND DATE IN WET CONCRETE <br />GROUND SURFACE <br />DOBIES, 3 MIN <br />NEAT CEMENT (TYP) <br />2" PVC WELL CASING <br />1" PVC WELL CASING <br />BENTONITE <br />CENTRALIZER (TYP) BOUND TO 2" CASING 20 FT O.C. <br />FOR AIR AND MUD ROTARY RIG INSTALLATION ONLY <br />0.02" SLOTTED WELL SCREEN (TYP) <br />SEE NOTE 2 <br />1 THREADED BOTTOM CAP (TYP) <br />MIN. 1" SAND -J I ® 6" MIN _ I __-_3/8" 0 HOLE <br />NOTES: BELOW CASING <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 HEALTH DEPARTMENT (EHD) IS REQUIRED FOR PLACING <br />MATERIALS WITHIN BOREHOLE, UP TO THE NEAT CEMENT SEAL. COORDINATE EHD INSPECTION WITH ENGINEER. <br />2013 GROUNDWATER <br />COUNTY OF SAN J®AQUIN SCALE: WELL INSTALLATION GROUNDWATER WELL FIGURE <br />NONE PROJECT DETAIL 4 <br />