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This disposal system is designed in conformance with the recommend a Ions <br />contained in "Nitrate Loading Study,Soil Suitability Study,Eagal Lake Recreation <br />Complex",prepared by Don Chesney,R.E.A.,of Valley Ag Research.The <br />design is based upon the anticipated usage of 50 members and guests,each <br />requiring a capacity 0 15 gallons per day.The facility is planned to operate <br />seven months each year,from April through October. <br />All materials and workmanship shall conform to the San Joaquin County <br />Environmental Health Department Bulletin "Onsite Wastewater Disposal <br />Standards"revised October,2003. <br />This set of plans is for Phase One of a two-phase project,but the disposal I <br />system is designed to be adequate for both phases.Plumbing fixtures for Phase <br />One are as shown on these plans,and the second phase will add only a bar sink <br />and a kitchen sink.No complete meals will be prepared in the kitchen.The ' <br />kitchen sink will be used for preparation of snacks and for washing dishes and <br />cleaning up after an occasional catered meal.A garbage disposal unit shall not <br />be installed. <br />SEPTIC TANK <br />1.The septic tank shall have a capacity of not less than 2000 gallons. <br />2.The tank may be construded on-site,to the specifications contained in the <br />above referenced "Onsite Wastewater Disposal Standards",or it may be pre- <br />fabricated,or two pre-fabricated tanks may be coupled together in series to <br />achieve the required capacity.Plans for any proposed pre-fabricated tanks are <br />to be submitted to San Joaquin County for approval.Plans shall address venting <br />of inlet and outJet pipes,manhole locations,liquid depths,and all structural <br />details. <br />3.Any fiberglass septic tank shall be set on a compacted sand bed and the <br />surrounding excavation backfilled with clean sand,well compacted,to within 18 <br />inches of the top of the tank.The remaining backfill shall be sand,free of rocks. <br />4.The tank shall be installed high enough on the embankment so that the <br />effluent will flow by gravity into the distribution box.No pumping shall be <br />required. <br />5.The tank shall be watertight to prevent entrance of rainwater or surface <br />drainage. <br />6.The invert of the inlet pipe shall be at least 2 inches above the invert of the <br />outlet pipe. <br />DISTRIBUTION BOX <br />1.The distribution box shall have a minimum inside dfmension of 12 inches and <br />be at least 12 inches deep with a solid impervious bottom.' <br />2.The invert of all outJets shall be level.The inlet invert shall be at least 2" <br />above the outlet inverts. <br />3.A five foot ABS Schedule 40 or equivalent tight line with a continuous soil <br />barrier shall be installed between the septic tank,the disbibution box,and the <br />leach lines. <br />LEACH LINES <br />1.Leach lines shall be installed as detailed in the trench cross section. <br />2.Soil over the leach lines shall not be compacted. <br />3.Exit lines between the distribution box and the leach lines shall be 4"ABS <br />Schedule 40 or equivalent,and joints shall be glued or sealed. <br />4.The maximum grade of leach lines shall not exceed 3"in 100 feet. <br />>-s <-•.•.