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2 ADDITIONAL <br /> BANKS TYPICAL BALL VALVE AT <br /> END OF EACH TRENCH NOTES: <br /> (TYP.) <br /> 1. SELECT NATIVE SOIL BACKFILL DOES NOT INCLUDE <br /> ROCKS OR ORGANIC MATERIALS. <br /> 2. INSTALL BARRIER MATERIAL TO PREVENT INTRUS#ON <br /> OF COVER SOIL INTO TRENCH" USE GEOSYNTHETIC <br /> 1.5" PVC FORCE MAIN FILTER FABRIC, OR EQUAL. <br /> FROM PUMP <br /> 3. DIVERT SURFACE DRAINAGE AWAY FROM DISPERSAL <br /> FIELD. <br /> DISTRIBUTION 4. SCARIFY'TRENCH SIDEWALLS TO REMOVE SOIL <br /> VAL E 100' (�P) SMEARING CAUSED BY EXCAVATION PROCESS. <br /> (JY5. TRENCH BOTTOMS SHALL BE LEVEL THROUGHOUT <br /> LENGTH OF.JRENCH. <br /> MANIFOLD <br /> C 18"(TYP") <br /> MANIFOLD 6. AN INSPECTION PIPE SHALL BE PLACED AT THE <br /> (7YP.) END OF EACH DISPERSAL TRENCH (SEE TRENCH <br /> 1.5" PVC DISTRIBUTION LATERAL J <br /> SECTION FOR DETAIL). <br /> 7 <br /> 2 ADDITIONAL (NP) INSPEOTION PIPE AT END OF EACH CHAMBER <br /> BANKS 7, ALL ORIFICES ARE POINTED UP. <br /> (TYP-) S. USE 3/16" ORIFICES ON 3' CENTERS; 32 HOLES <br /> PER LATERAL. <br /> TYPICAL PRESSURE DISPERSAL TRENCH PLAN <br /> SCALE: NOT TO SCALE <br /> 12 BANKS OF 4 X 1OO' LATERALS TO BE CONSTRUCTED ` <br /> 4" PERFORATE O..-INSPECTION PIPE SELECT NATIVE SOIL BACK FILL <br /> PVC ASTM 3034 IN ROCK (DO NOT COMPACT) <br /> 1/4" HOLES. 6" O.C. <br /> NATIVE SOIL SURFACE <br /> BARRIER T N <br /> MATERIAL <br /> DEPTH OF <br /> :k:k 1.5 SCHEDULE TRENCH <br /> = 40 PVC _ F`~ FIGURE 4 <br /> - <br /> PRESSURE �''=`-` <br /> y:_- <br /> DISTRIBUTION <br /> LATERAL3/8- CLEAN FRENCH CAMP RV PARK & GOLF COURSE <br /> 5' WASHED HARD REPORT OF WASTE DISCHARGE <br /> 18" DRAIN ROCK <br /> TYPICAL PRESSURE DISPOSAL TRENCH SECTION SUBSURFACE DISPERSAL AREA DETAILS <br /> SCALE: NOT TO SCALE <br /> 1�1V1-,1 C <br /> rG�SWZ)92�ClW�ir.rd—fq BaC J/]5/to06 YCf <br /> 1 <br /> } <br />