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2011 purple code Mound Design <br />www.SepticResource.com (vers 15.2) <br />Property Owner: Stonewood LLC. <br />Site Address: Proposed Lot 3 <br />Comments: Site B <br />Date: 6/16/2018 <br />PID: 0211723230006 <br />instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! <br />I 0bedroom Type �I Residential System <br />11 GPD design flow <br />.3 Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks <br />-I) 225D Gat Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: none <br />1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. long rockbed <br />6) 10.0 ft rockbed width 62.5 ft rockbed length <br />7) 3.0 ft lateral spacing 3.D ft perforation spacing (maximum of 3 for both) <br />end feed manifold connection <br />si laterals 60.5 feet long Z1.0 perfs / lateral 63 perfs total <br />(1 /2 a perf means the first perf starts at the middle feed manifold) <br />>> 7/32 inch perfs at i Ifeet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size Et spacing, Et pipe size on line 12, max perfs/lateral = 30 line #8 must be less --> 0I1; <br />10) 4.0 doses per day ( 4 minimum) <br />1 I 188 gallons per dose (treatment volume) <br />2.00 5x <br />I,, 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement <br />2.00 3x <br />3, feet of 2.0 inch supply line leads to ##### gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />tai ###### gallons TOTAL pump out volume (treatment + drainback) <br />ifeet vertical lift from pump to mound laterals, leads to a: <br />i6 36 GPM @ ##### feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) <br />17) 750 gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.49 gpi <br />leads to a <br />is) ###### inch swing on Demand float, or timed dosing of Zhr5 <br />min ON (confirm pump rate with drawdown <br />(this delivers Average flow, =70% of Peak design flow) OFF test and adjust as necessary) <br />iso;Winches <br />inches from bottom of tank to "Pump OFF" float <br />inches from bottom of tank to "Pump ON" float, or 12 inches to "Timer ON" float if time dosed <br />'_1) from bottom of tank to "Hi Level" float, or ##### inches to "Hi Level" float if time dosed <br />22) ###### gallons reserve capacity (after High Level Alarm is activated) <br />