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1 <br />1 <br />1 <br />1 <br />1 <br />1 <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 />SCALE: 2013 GROUNDWATER GROUNDWATER WELL FIGURE <br />COUNTY OF SAN JOAQUIN NONE WELL INSTALLATION DETAIL 4 <br />PROJECT <br />2" MIN CLEAR <br />ONITORING WELL PLUG <br />BOLLARDS <br />SEE NOTE 1 <br />IN ENCLOSURE <br />ELL ENCLOSURE WITH <br />1" <br />MONIT. WELL PLUG <br />LOCKABLE COVER, CENTERED ON BOTH PIPES <br />4" " <br />1/2" x 4" CARRIAGE BOLT IN WET CONCRETE. <br />s <br />SET BOLT HEAD FLUSH W/ CONCRETE <br />2" MIN <br />4" <br />2 FTCONCRETE <br />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 />k <br />2 T <br />ALL AROUND <br />DOBIES, 3 MIN <br />N <br />' <br />D <br />NEAT CEMENT (TYP) <br />N <br />� <br />U <br />O <br />U <br />N <br />O <br />2" PVC WELL CASING <br />� <br />8 <br />CL <br />1" PVC WELL CASING <br />O <br />O <br />— <br />BENTONITE <br />�- <br />O <br />_c <br />10 FT <br />a - <br />O <br />w <br />0 <br />z <br />1 FT <br />CENTRALIZER (TYP) BOUND TO 2" CASING 20 FT O.C. <br />ui <br />5 q <br />FOR AIR AND MUD ROTARY RIG INSTALLATION ONLY <br />w <br />d <br />5T <br />— <br />—_ <br />w <br />GROUNDWATER <br />U <br />— <br />W <br />— <br />m <br />z <br />—_ <br />2 X 12 SAND PACK <br />z <br />ti <br />\� 2 f <br />_ <br />=0.02" <br />SLOTTED WELL SCREEN (TYP) <br />�= <br />SEE NOTE 2 <br />1 FT <br />THREADED BOTTOM CAP (TYP) <br />MIN. 1"SAND <br />3/S" 0 HOLE <br />NOTES: <br />BELOW CASING <br />It <br />1. MAINTAIN EXISTING BOLLARDS -NEW <br />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 />SCALE: 2013 GROUNDWATER GROUNDWATER WELL FIGURE <br />COUNTY OF SAN JOAQUIN NONE WELL INSTALLATION DETAIL 4 <br />PROJECT <br />