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TYPICAL UTILITYTRENCH DETAILS2021-159-21ALP/SRBCF8FIGURE NO.:PROJECT NO.:DRAWN BY:CHECK BY:DBE/MWBEC:\USERS\CFRY\DESKTOP\2021-159-21 PORT GARDNER STORAGE FACILITY (LEP)\2021-159-21 PORT GARDNER STORAGE FACILITY (LEP).DWG <8> Plotted: 8/7/2024 1:49 PM8NOTES1.W=MAXIMUM WIDTH OF TRENCH. FOR PIPES 15" OR LESS IN DIA W=40".FOR PIPES 15" OF GREATER W=1.5XI.D.+18". PIPE MUST BE CENTERED INTRENCH.LEGENDLIGHT WEIGHT BACKFILL, SANDVERY SOFT FINE GRAINED SOILSCSBCGEOTEXTILE FABRICPERMEABLE BALLASTUTILITY TRENCH DETAILNTSVERY SOFTFINE GRAINEDSOILSLIGHT WEIGHT BACKFILL, SAND(ɣ = 100-110 pcf)PERMEABLE BALLASTCSBCTRACER/LOCATOR TAPEFINISHED SURFACEPER PLANSPORT GARDNER STORAGE FACILITYFACILITY CONSTRUCTIONPACKAGE WO#UP-3525EVERETT, WASHINGTONMATERIALS1.PIPE BEDDING MATERIAL SHALL BE CRUSHED SURFACING BASE COURSE(CSBC) CONFORMING TO SECTION 9-03.9(3) OF THE STANDARDSPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTIONWSDOT/APWA.2.OVER EXCAVATION AND PLACEMENT OF FOUNDATION MATERIAL, IFREQUIRED SHALL BE PERMEABLE BLAST, CONFORMING TO SECTION9-03.9(2) OF THE STANDARD SPECIFICATIONS FOR ROAD, BRIDGE ANDMUNICIPAL CONSTRUCTION WSDOT/APWA.GEOTEXTILE FABRIC FORSEPARATIONGEOTEXTILE FABRIC FORSEPARATION7