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General Notes: WILLAMETTE GRAYSTONE INC. Tank Volumes: Total Volume; 1200 gal. Operating Volume:9tl7 gal± Average unit volume Ski depdu 21 galJin.+ P.O. Box 78/6 Unit volume at typical operating depth:22 gallln.= EUGENE,OR 97401 Loads: Top=400 psf Lateral Load=62.4 pcf PHONE:541-726-7666 t 99"Top Concentrated Wheel Load=2500 lb. The septic tank shallbc capable of withstanding long-term hydrostatic loading,in addition to the soil boding, due to a water table maintained at ground surface.Soil Bearing=1500 pat(re-evaluate.support base((nail bearing Is lees or unequal) Concrete: The walls and bottom slab shall be poured monolithically. r 3"Top of walls typical I Reinforcing steel shall be ASTMA-615 Grade 60,fy-60,000 psi. SeepRin g: I The concrete shall achieve a minimum compressive strength of 4,000 psi in 28 Appmvcd watertight slap Access Port: I days;fc'm 4,0011 psi,Concrete shall be ready mix with cement condemning to ring or equivalent method itl"Diameter minimum, I ASTM C-150,Type It.There shall be a content of not less than six and one half Position access so that outlet 6 I/2 sacks percubicyards and maximum( ) aggregate size of ir-n inch, Ittnlet for fittings wherc n fully riser is u some Water/Cement ratio shall be kept below 0,4,(W;0.0.35+),Alr-entraining / L� for hstel wino nurser is used gptlet agentsandfi6rous roinforcementwillenhanceo rkability,curingand � U7 63"Top watertighmesv nfthe tank;hnw-n-ec thairusage is optional. Access Riser Aettss port• Tanks shall not be moved from the manufacturing site to thejub site until tho Coupler: 8^Diameter minimum;Position access tank has cured for scvnl(7)days,or has reached two-thirds of the design Neoprene and/or on that inlet fittings are fully exposed I strength,Proper coring techniquua must be used to ensure watertight tanks. approved watertight equivalent I 5^= — Installation: Installation,bedding,compaction,etc.,shall be in strict compliance with the manufacturers standards and Access Port: I state of Oregon's on-site rules 340-71 and 73.All larks shall be set level on a minimum 3 inch thick I compacted sand or approved granular bedding overlying a firm uniform base.The base shall be stable and g"Diameter minimum; )- -k unitonn in order to ensure equal bearing across the tank bottom.Installations with 30 inches or less aground Position access,so that i • wheel are fully exposed le u ( cover may require additional buoyancy considerations as described in the manufacturers instructions.A minimum cover of 12 inches is required over the tank in areas subject to occasional light loads. Test: Tanks shall bo tested and certified watertight per Oregon On-Site Rules 340-71 and 73. Top View Dosing: Dosing volumes not to oxcecd maximum limits set by Oregon on-site rules 340-71 and 73.Maximum percent of projected daily Bow:10"a to sundllters or 20%in other applications.Maximum discharge nue from single compartment dosing septic lank 30 gem.Float and dosing levels may vary within the limits of the unshe rules. Riser and Lid; Tank Markings: Place marking on the upper most surface over the outlet. , 24"Dia.ribbed PVC riser w latching lid and Liquid capacity: 10110 gal. polyurethane gasket or approved Max burial(whet bR Max traffic(wheel):2500 lbs. All rivers shall be attached Una permanent and Date manufactured: watertight manner Permit no.; Slope to drain away from lid Lids shall be kept securely fastened at all(ina1 with stainless steel bolts - - - R"PVC inspection port wicap II Rlser/Tonk adapter: R"captive PVC insert tank adapter Cast into concrete top fur adapting to dour. (Band w/PYC cement or 2-part epary) (Band the riserund aA pier-wgeRur w/PVC cement ur 2purt epoxy.Spread around Pl'C --^]I r3" rirjiberglasr riser adapter.Ifriser cast rote R_ - I lank embed 1-I/2+) 4 — I 1 lir 11hp1 +Invert Inlet �� Position access port so that sanitary tee 14 C) finingsorejiJlyexposed.Beige of _.._ ».........,_.__... .. ...I"i"................_._... 7 rsrcass 5"fmmoncside edge of wall L.L. Sanitary Tee(s): 4"min.Dia.Sch.40 �2"Typ. ----• C - Install effluent filter snugly ABS,PVC or approved 18"Typ. (I"Min.) against tank wall ej (12"Min) y" lowly!_/_ Ol a ik 64-I/2` I • — 57" — O 2 k G t ,a 54" x.. �' r., cF6 ST Environmental Health Specialist 7,_ -,�'j - �i EH S -0227575 3-In oram, U\ i N 2-12"Taper(typ) I-. 93" I �s , 11 yy�® r 'F 1-"--31 T' 57" v O Side View Aldan B.mmes End View cn Q w — 2/1/2�