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2011 purplecode Pressure Bed Design <br /> www.SepticResource.com (vers 92.fi) <br /> Property Owner: Clark Winsiow Date: 7/24/2415 <br /> Site Address: 1205 French Creek Dr., Orono p�p; <br /> Comments: <br /> instructions: �� =site spetific input � =adjust if desired C] =self-calculated (D�NOT ADJUST) <br /> ►) C�bedroom Type C] Residential System <br /> 2) 900 GPD design flow <br /> 3) No Garbage disposat or pumped to septic 2-1500 gallon existing <br /> a� 30Q0 Gat Septic tank (code minimum) 3000 Gal Septit tank(design size / LUG req'd) <br /> an options: none <br /> s> 0.78 GPD/ftZ Soi[ Loading Rate 1154 ft2 bed (code minimum} 1250 ft2 (design size / LUG reqd) <br /> (must match soil boring log} <br /> s� 25.0 ft desired bed width, teads to a 50.0 ft bed length <br /> (25'maximum) <br /> � 3.0 ft lateral spacing 3.0 ft pertoration spacing {maximum 3 for both} <br /> end feed�manifotd connection <br /> $) C�laterals 48.0 feet long f7.0 perfs / lateral 136 perfs total <br /> (1/2 perf ineans the first perf starts at the middle feed manifoid) <br /> 9) 3/16 inch perfs at �feet residuat heaci gives 0.42 gpm flow rate per perforation <br /> ( if bed has> 1'of cover, increase residual head for cleanout req's) <br /> for this perf size& spacing, Ft pipe size on line 12, max perfs/tateral= 22 , line#8 must be less--> OK <br /> io� 4.0 doses per day (4 minimum) <br /> �U 225 gatlons per dose (treatment volume) <br /> i2? 1.50 inch diameter taterals (or smatler) will meet"5x pipe volume" <br /> 1.50 inch diameter taterals (or smaller) must be used to meet"4x pipe volume"requirement <br /> 2.00 inch diameter laterals (or smatler}wi(t meet"3x pipe volume" <br /> i3� 17d feet of 2.0 inch supply line leads to 29 gallons of drainback votume <br /> (Tip: "top feed" manifotd to controt the drainback) <br /> Fa) 254 gallons TOTAL pump out volume (treatment+drainback) <br /> is> 22 feet vertical fift from pump to dispersal area, leads to a <br /> ib) 58 GPM C� 45 feet of head, Pump requirement <br /> ( >50 gpm may require additional 3-6'head atlowance for discharge assy) <br />