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=�„P���•� Mound Design <br /> www.SepticResource.com (vers 12.6) <br /> Property Owner: Nancy F�Dale Erickson . Date: 5/4/2013 <br /> Site Address: 55 Golden Veiw Dr.,Orono PID: <br /> Comments: <br /> instructions: �-site speclfic input ��=adjust tf desired 0=self-calculated(DO NOT ADJUST) <br /> p �bedroom Type � Residentlal System <br /> 2� 750 GPD design flow <br /> 3� No Garbage disposal or pumped to septic <br /> *ca.uss�sav t�isus�slsa� <br /> a� 2000 Gal Septic tank(code minimum) 2000 Gal Septic tank(design size/LUG req'd) <br /> if replaced use 2-1250 Tank options: none <br /> s� 1.2 GPD/ft�mound sand loading rate <br /> b> 10 ft rockbed width 62.5 ft rockbed length <br /> 1} 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br /> end feed manifold connection <br /> s) �laterals 60.5 feet long 21.0 perfs/iateral 63 perfs total <br /> (1 a perf ineans the first perf starts at the middle feed manifold) <br /> v� 1/q" inch perfs at �feet residual head gives 0.74 gpm flow rate per perforetion <br /> for this perf size&spacing,&pipe size on line 12,max perfs/lateral= 25 ,line ri8 must be less--> OK <br /> io� 4A doses per day (4 minimum) <br /> �q 188 gallons per dose (treatment volume) <br /> i2� 2,00 inch diameter laterals(or smaller)will meet"5x pipe volume" <br /> 2.00 inch diameter laterats(or smaller)must be used to meet'4x pipe wlume"requirement <br /> 2.00 inch diameter laterals(or smaller)will meet"3x pipe votume" <br /> i3) 20 feet of 2.0 inch supply line leads to�gallons of drainback volume <br /> (Tip:"top feed"manifold to control the dralnback) <br /> ia� 191 gallons TOTAL pump out volume(treatment+drainback) <br /> is� 8 feet vertical lift from pump to dispenal area,leads to a: <br /> �6� 47 GPM @ 15 feet of head, Pump requirement (note:>50gpm may require an extra 3-6'of head) <br /> i» l250 gal Dose tank(code minimum) 1250 gal Dose tank(design siie/LUG req'd) at 24.00 gpi <br /> leads to a <br /> ia> 8.0 inch swing on Demand float, or tlmed dosing of 4.1 min ON (conflrm pump rate with drawdown <br /> (to deliver Average flow, 66%of Peak design flow) 9 h�s OFF test and adJust as necessary) <br /> iq� 12 inches from bottom of tank to'Pump OFF'iloat <br /> zo� 20 inches from bottom of tank to"Pump ON"float,or 72 inches to"Timer ON"float if time dosed <br /> q 23 inches from bottom of tank to"Hi Level"float,or 33 inches to'Hi Level"float if time dosed <br /> zz� 698 gallons reserve capacity (after High Level Alarm is activated) <br />