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2011 purple code Mound Design <br /> www SepticResoace corn (vets 15.2; <br /> Property Owner: Mark Bettrand Date: 5/17/2017 <br /> Site Address: 1860 West Farm Road PID: 2711823430018 <br /> Comments: <br /> instructions: i =enter rata =adjust if desired I = computer calculated- DO NOT CHANGE! <br /> 1 3 (bedroom Type i ! I Residential System <br /> • 450 (GPD design flow <br /> _• ; Yes IGarDage disposal or pumped to septic 50%larger tank with multiple comp/tanks <br /> r—____, <br /> • ! 1500 Gay Septic tank (code minimum) 1500 Gal Septic tank (design size / LUG reqd) <br /> Tank options: none <br /> •2 JGPD/ft` mound sand loading rate contour loading rate of 12 req's a min 1-38 ft. long rockbed <br /> 10.0 Ift rockbed widtn I 38.0 +ft rockbed length <br /> • 3.0fft:aterat spacing I 3.0 Ift perforation spacing (maximum of 3 for both) <br /> end feed (manifold connection <br /> 3 (laterals ; 36.0 feet long 13.3 perfs / lateral 39 perfs total <br /> (1/2 a perf means the first pert starts at the middle feed manifold) <br /> 1.- ' 1/4" perfs at 1 feet residual head gives <br /> inch0.74 gpm flow rate per perforation <br /> I for this perf size ti spacing, Et pipe size on line 12. max perfs/lateral= 25 line#8 must be less --> ... <br /> 4.0 ;roses per eay (4 minimum) <br /> 13 jgallcns per dose (treatment volume) <br /> --� 2.00 5x <br /> IL. ` 2.00 'inch diameter laterals must be used to meet"4x pipe volume" requirement <br /> I <br /> 2.00 3x <br /> 255 feet of i 2.0inch supply line Leads to ; 43 gallons of drainback volume <br /> (Tip: "top feed"manifold to control the drainback) <br /> I., :56 ;gallons TOTAL pump out volume(treatment+drainback) <br /> I12 Jfeet vertical liftfrom pump to mound Laterals, leads to a: <br /> :h : 29 )GPM V i 25 !feet of head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> 500gat Dose tank (code minimum) 1000 gal Dose tank (design size / LUG req'd) at 25.00 Igpi <br /> :eads to a i <br /> I, 6.2 finch swing on Demand float, or timed dosing of 5.4 min ON (confirm pump rate with drawdown <br /> (this delivers Average flow. =70%of Peak design flow) 9 hrs OFF test and adjust as necessary) <br /> ;- ` 12 linches from bottom of tank to"Pump OFF"float <br /> - I t 18 finches from bottom of tank to"Pump ON"float, or i 12 inches to'Timer ON"float if time dosed <br /> 7-1from bottom of tank to"Hi Levet"float, or I 31 inches to"Hi Level"float if time doses <br /> 22 ;1-7iigalons reserve capacity (after High Level Alarm is activated) <br />