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4 <br />18' <br />BOLTED DUCTILE IRON LID W/VVATERTIGHT SEAL LOCKING CAP <br />GRADE <br />• V <br />4 \ <br />\ > \ A • <br />\ \//Y/V/\)) <br />\ 4 <br />• <br />\ 4 <br />/\ <br />V/V 4 ../Y/ <br />++ <br />+ + <br />+ + + + <br />+ + <br />+ <br />3 FT BELOW GRADE / <br />+ <br />CONCRETE SEAL <br />(COLOR TO MATCH EXISTING GRADE) <br />SURFACE SEAL INTERVAL - 1-1/2' TO 3' <br />TYPE OF SURFACE SEAL - CONCRETE <br />ANNULAR SEAL INTERVAL - 3' TO 24' <br />TYPE OF ANNULAR SEAL - PORTLAND <br />CEMENT <br />INTERVAL OF LOW PERMEABIUTY <br />ANNULAR SEAL - 24 TO 28' <br />PORTLAND CEMENT <br />BENTONITE CHIPS <br />2" BLANK PVC CASING <br />2" SLOTTED PVC SCREEN <br />(0.020" SLOT) <br />8" DIA. BOREHOLE <br />BOTTOM CAP <br />MONTEREY #2/12 SAND <br />TYPE OF LOW PERMEABILITY SEAL - BENTONITE <br />CHIPS <br />DIAMETER OF WELL CASING - 2" <br />TYPE OF WELL CASING - SCH 80 PVC <br />SAND PACK INTERVAL - 28' TO 60' <br />TYPE OF SAND - #2/12 <br />SCREEN INTERVAL - 30' TO 60' <br />DESCRIPTION OF SCREEN - 0.020" <br />DEPTH OF WELL - 60' <br />DIAMETER OF BOREHOLE - 8" <br />DEPTH OF BOREHOLE - 60' <br />DEPTH TO GROUNDWATER - 90' <br />VW -2- <br />PROPOSED VAPOR WELL <br />CONSTRUCTION DIAGRAM <br />(60 FEET) <br />Former Countryside Market <br />10848 Copperopolis Road <br />Stockton, California <br />PROJECT NO. DATE DRAWN BY: APP. BY: <br />CM GM 06-DGS-002 04/29/2015 <br />Not To Scale <br />SGI THE <br />environmental SOURCE GROUP, INC. <br />944 McCOURTNEY ROAD SUITE H <br />GRASS VALLEY, CALIFORNIA 95949 <br />NOTE: <br />NOT TO SCALE <br />TOTAL DEPTH APPROXIMATELY 60 FEET-BGS <br />FIGURE <br />5C