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• <br /> • <br /> General Notes: WILLAMETTE GRAISTONE INC. <br /> Tank Volumes: Total Volume:1200¢ale <br /> Operating Volume:987 aali: <br /> Average unit volume HI depth:21 aalraf P.O.BOX 7816 <br /> Unit volume at typical operating depth:22 eallns EHGENE,OR 97401 <br /> Loads: Top-400 psf <br /> Lateral Load-62.4 pcf PHONE:541-726-7666 <br /> 99"Top Concentrated Wheel Load 2500 lb. <br /> The septic tank shall be capable of withstanding long-tern hydrostatic loading,in addition to the soil loading, <br /> due to a water table maintained at ground surface.Soil Bearing-1500 psf(re<snluale support bane if nail <br /> bearing is leas or unequal) <br /> Concrete: The walls and bottom slab shall be poured monolithically. <br /> F`7 3"Top of walls typical Y/ Reinforcing steel shall be MD%)A-615 Grade 60,fy-60,000 psi. <br /> I <br /> Seep Ring: I The concrete shall achieve a minimum compressive strength of 4,000 psi in 28 <br /> Approved watertight seep Access Port: I day <br /> s;fe'-4,000 psi.Concrete shall be ready mix with cement conforming to <br /> ring or equivalent method I8"Diameter minimum, I ASTM C-150,Type IL Them shall be a content of not less than six and one half <br /> Position access so that outlet (6 1/2)sacks per cubic yards and maximum aggregate size of 3/4 inch. <br /> Inlet fittings are fully eposed;same Water/Cement ratio shall he kept below 0.4,(W:C 0.351).Air-entraining <br /> for baler when a riser is lured Ogle( agents and fibrous reinforcement will enhance workability,curing and <br /> 1 U7 63"Top watertightness of the tank;however,their usage is optional. <br /> Access Riser <br /> Access Port: Tanks shall not be moved from the manufacturing site to the job site until the <br /> Coupler. 8"Diameter minimum;Pavilion accros tank has cured for seven(7)days,m has reached two-thirds orate design <br /> Neoprene and/or so that inlet fittings are fully wed I . strength.Proper caring techniques must be used to ensure watertight tanks. <br /> approved watertight equivalent 1 <br /> 5"t — Installation: Installation,bedding,compaction,etc.,shall be in strict compliance with the manufacturers standards and <br /> Access Port: I state of Oregon's on-site roles 340-71 and 73.All tanks shall be set level on a minimum 3 inch thick <br /> I compacted sand or appmved granular bedding overlying a firm uniform base.The base shall be stable and <br /> 8"Diameter minimum; <br /> } 4. uniform in order to ensure equal bearing across the tank bottom.Installations with 30 inches or less of ground <br /> Position access so that / • <br /> inlet fittings are fully exposed k 'h I miconir mum <br /> cover o12 additionaln bis requ edy considerations tan arms <br /> in to occasional <br /> instructions.hloads. <br /> A <br /> minimum cover of 12 inches is required aver the sank in ers:u subject m occasional light wheel loads. <br /> Test: Tanks shall be tested and certified watertight per Oregon Oa-Site Rules 340.71 and 73. <br /> Top View Dosing: Dosing volumes not to exceed maximum limits set by Oregon on-site rules 340-71 and 73.Maximum percent <br /> of projected daily Row:10%to sandfilters or 20%in other applications.Maximum t discharge rate from single <br /> compartment dosing septic tank 30 gpm.Float and daring levels may vary within the limits of the onrite mien. <br /> Riser and Lid: Tank Markings: Place marking on the upper most surface over the outlet. <br /> 24"Dia.ribbed PVC riser wlatehing lid and Liquid capacity: 1000 cal. <br /> polyurethane gasket or approved Max burial depth: 4R. <br /> All deem shall be attached in a permanent and Max traffic(wheel):2500 lbs. <br /> P Date manufactured: <br /> / <br /> wnrenight manner Pemtit no.: <br /> Slope to drain away from lid Lids shall be kept scotrefyfvrenod at all Antes, with ntainlers seed bolls t .v <br /> 8"PVC inspection port w/cep f <br /> Riser/Tank adapter: <br /> IV captive PVC insert tank adapter \ Cast into concrete lop for adapting to riser. <br /> (Bond w/PVCcement or 2-part epoxy) \ (Bond the riser and adapter together w/PVC <br /> \`I — rementgi 2-part epoxy.Spread er cast PVC 1-1 <br /> "—_JI —3" _ — <br /> _LLL/// tank embed <br /> I-1seradapter.If riser cast into t I <br /> tank embed 1-1/2k) 4 <br /> () I Invert Inlet ',silks <br /> \ Position acme pan so that sanitary see ) <br /> ♦` ! , 1 �I U fittings are fully exposed.Edge f <br /> SanitaryTe =' L.L. J ) access 5'fiom outside edge of wall LI- <br /> e(ob. } <br /> 4"rain.Dies.Sch.40 I L2"Typ. Install effluent filler snugly <br /> ABS,PVC orapproved 18"Typ. (1"Min.) against unkwall to <br /> (12"Min.) >•. <br /> low LL PI <br /> • <br /> w v rx O <br /> It <br /> Q Q: trNy W•j <br /> e C7' d C <br /> STATE CERTIFIED/ , . -w � <br /> Environmental Health Specialist o <br /> !(= EH-S-10227575 2§ 3-12" 6 o <br /> 2-12"Tam(tyP)--� I 93" !r !'�,''".,^` w - k 57" .1 obi PI to :-. <br /> • \ r..s� 111 ¢3 <br /> Side View -T End View a 5 n u) <br /> Aidan Bammes <br /> .v1-c1 -z a.241 <br />