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� 2011 purplecode Pressure Bed Design <br /> www.SepGcResource.com (vers 12.8) <br /> Property Owner: John Adams Date: 10/4/2013 <br /> Site Address: 801 Ferndale Rd.N.,Orono PID: <br /> Comments: <br /> instructions: �=site specific input 0=adjust if desired � =self-calculated(DO NOT ADJUST) <br /> p �5 bedroom Type �I Residentiat System <br /> z> 750 GPD design flow <br /> s> No Garbage disposal or pumped to septic � `�� <br /> 2 existing 1300 allon tanks <br /> > 25� Gal Septic tank(code minimum) 2500 Gal Septic tank(design size/LUG req'd) <br /> an options: . -- none <br /> s� 0.50 GPD/ft�Soil Loading Rate 1500 ftt bed(code minimum) 1500 ftZ(design size/LUG req'd) <br /> (must match soil boring[og) <br /> s� 13.0 ft desired bed width, leads to a 115.4 ft bed length <br /> (ZS'maximum) <br /> � 3.0 f[lateral spactng 3.0 ft perforation spacing (maxim�n 3 for both) <br /> middle feed manifold connection <br /> 8) �8 laterals 56.7 feet long 19.0 perts/lateral 152 perfs total <br /> (1/2 perf ineans the first perf starts at the middle feed manifold) <br /> } 3/16 inch perfs a[ �1 feet residual head qives 0.42 gpm flow rate per perforetfon <br /> ( if bed has>7'of cover,increase resldual head for cleanout req i) <br /> for this perf size&spacing,&pipe size on line 12,max perfs/lateral= �,line#8 must be less--> <br /> io� 4.0 doses per day (4 minimum) <br /> i i� 188 gallons per dose (treatment volume) <br /> i2) 1.25 inch diameter laterals(or smaller)will meet"5x pipe volume" <br /> 1.25 inch diameter laterats(or smaller)must be used to meet"4x pipe volume"requirement <br /> 1.50 inch diameter laterats(or smalter)will meet"3x pipe volume" <br /> is) 75 feet of 2.0 inch supply line leads to 13 gallons of drafnback volume <br /> (Tip:"top feed" manifold to control the drainback) <br /> ia� 201 gallons TOTAL pump out volume(treaYment�drainback) <br /> �s) 15 feet vertical lift from pump to dispersal area, leads to a <br /> ie> �GPM @ 30 feet of head, Purnp requirement <br /> (>50 gpm may require additional 3-6'head allowance for discharge assy) <br />