11190175 - Laserfiche WebLink

Home Browse Search

• General Notes: WILLAMETTE GRAYSTONE INC. Tank Volumes: Total Volume:1200 calf Operating Volume:967 calf Average unit volume full depth:21 gal.ln.A P.O.Box 7816 Unit volume at typical operating depth:22 aalrn.± EUGENE,OR 97401 Loads: Top-400 psf Lateral Load-62.4 pet PHONE:541-726-7666 99"Top Concentrated Wheel Load=2500lb. The septic tank shall be capable of withstanding long-tens hydrostatic loading,in addition to the soil loading, due to a water table maintained at ground surface.Soil Bearing-1500 psi'(re-evaluate support base if soil bearing Is less or unequal) r 1 Concrete: ma walls and bottom slab shall be poured monolithically. 1- 3"Top of walls typical 7 Reinforcing steel shall be ASTM A-615 Grade 60,fy-60,000 psi. Seep Ring: 1 The concrete shall achieve a minimum compressive strength of4,000 psi in 28 Approved watertight step Access Part: I days;fc'.-4,000 psi.Concrete shall be ready mix with cement conforming to ring or equivalent method 18"Diameter minimum, 1 ASTM C-150,Type II.There shall be a content of not less than six and one half Position access so that Oink( � \ (6 12)sacks per cubic yards and maximum aggregate size of 3/4 inch. Inlet fittings are fully exposed;same Water/Cement ratio shall be kept below 0.4,(W:C 0.354).Air-entraining U for inlet when a riser is used i 1 \ Outlet agents and fibrous reinforcement will enhance workability,curing and MOC (, t D IIII,I- d 63"Top watertightness of the tank;however,their usage is optional. Access Riser ` f Access Port: r/ Tanks shall not be moved from the manufacturing site to the job site until the Coupler. 8"Diameter minimum;Position access - lank has enod for seven(7)days•or has reached two-thirds of the design Neoprene and/or so that inlet fillings are f fly exposed s- I strength.Proper curing techniques must be used to ensure is p,ht tanks. approved watertight equivalent I 5„t _ Installation: Installation,bedding,compaction,etc.,shall be in strict compliance with the manufacturers standards and I state of Oregon's on-site rules 340-71 and 73.All tanks shall be set level on a minimum 3 inch thick Access Port: I compacted sand or approved granular bedding overlying a fire uniform base.The base shall be stable and 8"Diameter minimum; } -L. uniform in order to ensure equal bearing across the tank bottom.Installations with 30 inches or less of ground Position access so that lei �A cover may require additional buoyancy considerations as described in the manufacturers instructions.A in/et finings are fully erposed s minimum cover of 12 inches is required over the tank in areas subject to occasional light wheel loads. Test: Tanks shall be tested and certified watertight per Oregon On-Site Rules 340-71 and 73. Top,View Dosing: Dosing volumes not to exceed maximum limits set by Oregon on-site roles 340 71 and 73.Maximum percent ofprojected daily flow:10%to sandfilters or 20%in other applications.Maximum discharge rate from single I compartment dosing septic tank 30 gym.Float and dosing levels may vary within the limits of the anrite rules. . 1 Riser and Lid: Tank Markings: Place marking on the upper mast surface over the outleL 24"Dia.ribbed PVC riser w/Iatching lid and Liquid capacity: 1000 cal. polyurethane gasket or approved Max burial depth: 4a. and Max traffic(wheel):25001bs. All risers shall be attached in a permanent Date manufactured: watertight manner Permit no.: Slope to drain away from lid Lids shall be kept securely funned at all times with stainless steel bolts • B"PVC inspection pan w/cep Riser/flank adapter: 8"captive PVC insert tank adapter Cast into concrete top for adapting to riser. INI (bond le/PVC cement or 2-part epoxy) \ the and adapter ,orar u•/PVC cement or 2-part epoxy.Spread around PVC 3„ .f I or fiberglass rise adapter.If riser cast into I —1 I I tank embed l-U1i:) q" _1_ ��(1 t\--,I, Invert Inlet �\ Position access port so that sanitary tee f I, I L.L. "MEd • fittings are fully exposed.Edge of ,� i // I '� access 5"f m outside edge limit Sanitary Tee(s): -- 4"min.Dia.Sch.40 1 2"Typ. Install effluent filter snugly ADS,PVC or approved 18"Typ. (I"Min.) against tank wall . G ,y (12"Min) T'� lowlL.L Ellluemfiberassembly 01 E� ie 122 64-12" 1- HWA optional 57" O Q e m 54^ _ ` g CO A A a STATE CERTIFIED E w Environmental Health Specialist ca „'f.''�'>Ab ER-S-1 2 3-12" u T 2-12"Taper(typ) I 93" I 0 -� 3-12" . 11 e t-G ' - "r Side View = '�' End View a V. a A,O ri Robert Goodwin