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2011 purple code Design <br /> Mound <br /> Des <br /> �/{.i 31 1 � ww,v.Sep:icResource.corr; (vers 15.2) <br /> Property Owner: Fredrick Dufault Date: 5/25/2017 <br /> Site Address: 120 Truffula Trail PID: 3311823440037 <br /> Comments: <br /> instructions: r ' =enter data �— =adjust if desired = computer calculated - DO NOT CHANGE! <br /> bedroom Type I Residential System <br /> L 750 1GP0 design flow <br /> Yes Garoage disposal or pumped to septic 50% larger tank with multiple camp/tanks <br /> i ? 52?0!!Gat septic tank (code minimum) L2250 IGa;Septic tank (design size / LUG req'd) <br /> Tank options: none <br /> GPD/ft` mound sand Loading rate contour loading rate of 12 rec's a min 62.5 ft. long rockbed <br /> 7-7ft rockbed width 1 68.0 ift rockbed Length <br /> 3.0 jft lateral,spacing a ft perforation spacing (maximum of 3 for both) <br /> ;end feec manifold connection <br /> IN f 3 ilaterals b6.0 !feet tong 23.0 perfs / lateral { 64 perfs total <br /> (1/2 a perf means the first perf starts at the middle feed manifold) <br /> 7/32 inch perfs at L'Meet residual head gives 0.56 gpm flow rate per perforation <br /> for this perf size 8 spacing, ti pipe size on tine 12, max perfs/Lateral = 30 , line#8 must be less > OK <br /> t <br /> '., 4•0 !doses per day ( 4 minimum) <br /> 188 ;gallons per dose (treatment voLumei <br /> _ 2.00 5x <br /> 2.00 ;inch diameter laterals must be used to meet"4x pipe vo:ume"requirement <br /> 2.00 3x <br /> 49 feet of (2.0 flinch supply tine Leads to =gallons of drainback volume <br /> (Tip: "top feed"manifold to control the drainback) <br /> 196 gallons TOTAL pump out volume (treatment* drainback( <br /> 1 4. feet vertical lift from pump to mound laterals, leads to a: <br /> 2=9 (GPM @23 feet of head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> 7 1 750 lgat Dose tank (code minimum) t 1300 Igat Dose tank (design size / LUG req'd) at gpi <br /> leads to a <br /> r-� <br /> a, 7.7 Iinch swing on Demand float, or timed dosing ofmin ON (confirm pump rate with drawdown <br /> (this delivers Average flow, =70%of Peak design ftow)�hrs OFF test and adjust as necessary) <br /> 12 linches from bottom of tank to"Pump OFF-float <br /> r <br /> 20 linches from bottom of tank to "Pump ON"float, or 12 inches to"Timer ON"float if time dosed <br /> 23 hncnes from bottom of tank to "Hi Leve("float, or 33 inches to "Hi Level"float if time dosed <br /> r-- <br /> __ 714 gations reserve capacity (after High Leve:Atarm is activated) <br />