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I <br /> EXISTING CONCRETE EXISTING CONCRETE <br /> FLOOR SECTION(6 IN FLOOR SECTION(6 IN <br /> THICKNESS ASSUMED) THICKNESS ASSUMED) <br /> r a 10 MIL PLASTIC LINER. p 10 MIL PLASTIC LINER. <br /> 6 IN 4, SEE NOTE 3. 4 a. SEE NOTE 3. <br /> 10 IN <br /> 1 IN SCH 80 SLOTTED ° �'f 1 IN SCH 80 SOLID PVC <br /> PVC WELL SCREEN.SEE PIPE <br /> 41N NOTE 2. <br /> SSD CONVEYANCE TRENCHPEA GRAVEL �. SAND BEDDING <br /> TO 4 1 N <br /> OOFTOF I <br /> VENT <br /> 1-IN SOLID SCH 80 PVC <br /> SIN <br /> 2 HORIZONTALVENT PIPE CROSS-SECTION3 TYPICAL TRENCH CROSS-SECTION <br /> SAND PIPE BEDDING <br /> EXISTING 6 IN DIAMETER <br /> CAST METAL WELL BOX <br /> WITH BOLT-ON COVER <br /> „ HYDRATED <br /> BENTONITE SEAL EXISTING 2 IN DIAMETER WELL CASING <br /> s 10 MIL PLASTIC LINER <br /> v 24 1 N a n d a <br /> NEW 2X2X1 IN REDUCING TEE <br /> — NEW 1 IN DIAMETER SCH 80 PVC PIPE <br /> i <br /> T <br /> c — <br /> NEW SAND BEDDING <br /> 3 — <br /> co —_ <br /> L <br /> 0 - <br /> - EXISTING BENTONITE WELL SEAL <br /> 3 _ PEA GRAVEL <br /> Q _ EXISTING SAND PACK <br /> 6 FT 2 1 IN SCH 80 PVCONYPOLIYVAN D CHLORIDE ABBREVIATIONS <br /> 0 — PERFORATED PVC VENT SCH SCHEDULE <br /> = PIPE.SEE NOTE 2. <br /> N — <br /> Ln <br /> J - <br /> - NOTES: <br /> N — 1.DETAILS ARE NOT DRAWN TO SCALE. <br /> 4 EX-1 CONNECTION <br /> 2.PERFORATED PVC VENT PIPE TO HAVE 0.04 <br /> o EXISTING BUILDING WALL IN FACTORY-CUT SLOT SIZE. <br /> a3.PLASTIC LINER OR OTHER MATERIAL <br /> °oF APPROVED BY THE ENGINEER TO PREVENT <br /> c <br /> 61N INTRUSION OF CONCRETE INTO PIPE <br /> r BEDDING. <br /> CLIENT: <br /> SAFETY FIRST Robinhood Plaza,LLC <br /> PROJECT: Trench Details <br /> J + p <br /> 0 1 HORIZONTAL VENT PIPE PLAN VIEW I.errp ase C&S One Hour Martinizing <br /> e n g i n e e r i n g PROJECT NUMBER: FIGURE 4 <br /> 0146.001.002 <br />