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w' <br /> • NOTE: EACH RISER IS PROVIDED WITH <br /> INDIVIDUAL SAMPLING PORT AND ADJUSTMENT <br /> INSTALL 2" RISER NORTH OF 3" RISER VALVE (NOT SHOWN) <br /> PVC CAP (DO NOT CEMENT) <br /> PROVIDE CLEARANCE FOR FITTINGS ATTACHMENT /—;7- <br /> EXISTING GRADE PVC PIPE SCH. 80 <br /> SLOPES 4:1 (H:V) o H-15B (3" DIA) <br /> (NOT SHOWN IN H-1 5A <br /> THIS SECTION) PVC PIPE SCH. 80 <br /> (2" DIA) <br /> 71 <br /> ZY0Z <br /> o SOIL BACKFILL <br /> i <br /> BENTONITE PLUG <br /> N <br /> U_ o SOIL BACKFILL, COMPACT IN <br /> LIFTS (2 FT MAXIMUM LIFT) <br /> I � <br /> Uj C4 <br /> Uj <br /> o DRAIN ROCK (2-INCH TO 4-INCH) <br /> REFUSE z�`'z e '� ` ' . PERFORATED PVC PIPE SCH. 80 <br /> C3 ¢ ®" (1/2" DIA HOLES, 12 PER FOOT, <br /> o o it N ° e EVENLY DISTRIBUTED) <br /> d d 3 '•�'' <br /> APPROX. BOTTOM OF EXIST. <br /> REFUSE (UNLINED LANDFILL) . o Y ,°� .° PVC CAP <br /> w o <br /> PERFORATE <br /> X NEAT CEMENT (TREMIE) <br /> 0 <br /> Q_ o <br /> a <br /> CPLG (IF NEEDED) W/ 3 EA SS SCREWS <br /> U_ <br /> 0 <br /> n <br /> o <br /> w ` BENTONITE PLUG (GRANULAR, <br /> C, 8-MESH SODIUM BENTONITE) <br /> cV <br /> .® {° ° <br /> •' <br /> DRAIN ROCK (2-INCH TO 4-INCH) <br /> «�- a o a . . <br /> (30o w • ° PERFORATED PVC PIPE SCH. 80 <br /> Uj (1/2" DIA HOLES, 12 PER FOOT, <br /> a:.••• a EVENLY DISTRIBUTED) <br /> N Aw . PVC CAP <br /> Notes PERFORATE <br /> As-built Feb 25,2005 24 MIN <br /> Construction materials are approved by LEA DIAMETER <br /> Drawing is not to scale. BOREHOLE <br /> COUNTY OF SAN JOAQUIN HARNEY LANE DUAL EXTRACTION WELL FIGURE 3 <br /> SANITARY LANDFILL <br />