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• <br /> 2011 purple code Mound Design <br /> www.SepticResource.com (vers 15.2) <br /> 1 Property Owner: Don Winters Date: 5/17/2017 <br /> E <br /> Site Address: 4620 North Arm Drive W. FID: <br /> Comments: <br /> instructions: { = enter cata =adjust if desired I 1 = computer calculated - DO NOT CHANGE! <br /> ;bedroom Type j I Residential System <br /> _ 630 ;GPO design flow <br /> Yes ;Garbage disposat or pumped to septic 50% larger tank with multiple comp/tanks <br /> 4, i 2250 'Gat Sept:c tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br /> Tank options: none <br /> 1 1.2 'GPD/ft`mound sand loading rate contour loading rate of 12 req's a mir50 ft. long rockbed <br /> 1C.: 'f: rockbed width ( 50.0 ft rockbed length <br /> ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br /> end feed manifold connection <br /> It' 3 laterals 48.0 feet long 17.0 perfs 1 lateral 51 perfs total <br /> (1/2 a perf means the first perf starts at the middle feed manifold) <br /> 7/32 finch perfs at j 1 feet residual head gives 0.56 gpm flow rate per perforation <br /> for this pert size& spacing, & pipe size on line 12, max perfs/lateral= 30 , line#8 must be less --> <br /> " 4.0 caseser day Y ( 4 minimum) <br /> 53 !ea,:o:.s per dose (treatment volume) <br /> 2.00 5x <br /> 2.00 !inch diameter laterals must be used to meet"4x pipe volume"requirement <br /> r--__ 2.00 3x <br /> 1' 1 45 ,feet of 1 2.0 ;inch supply line Leads to 8 gallons of drainback volume <br /> (Tip: "top feed"manifold to control the drainback; <br /> ;*, 1 158 (gallons TOTAL pump out volume (treatment+ drainback) <br /> 13 Beet vertical lift from pump to mound laterals, leads to a: <br /> 129 13PM @ j 0 feet of head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> r—� <br /> i7 ! 500 !gal Dose tank (code minimum) 1000 gal Dose tank(design size / LUG req'd) at 25.00 gpi <br /> Leads to a <br /> N, I 6.3.1...ch swing on Demand float, or timed dosingof 5.4 min ON <br /> (confirm pump rate with drawdown <br /> (tr, s delivers Average flow, =70%of Peak design flow) 9 hrs OFF test and adjust as necessary) <br /> 1 r, `2 ;.Hones from bottom of tank to"Pump OFF"float <br /> F., 18 :acnes from bottom of tank to"Pump ON"float, or 12 inches to"Timer ON"float if time dosec e <br /> 2 ,';acnes from bottom of tank to "Hi Level"float, or ; 31 inches to"Hi Level"float if time dosed <br /> i <br /> 22 475 •gaaor.s reserve capacity (after High Levet Alarm is activated) <br /> 4 <br />