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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 1 <br />Comments: Site A <br />Date: 6/18/2018 <br />PID: 0211723230005 <br />instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! <br />ibedroom Type Residential System <br />750 GPD design flow <br />Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks <br />4) 2250 Gal Septic tank (code minimum) 22.50 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 =req's a min 62.5 ft. long rockbed <br />r,) 10.0 ft rockbed width 63.0 ft rockbed length <br />71 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br />end feed manifold connection <br />s� laterals 61.0 feet long 21.0 perfs / lateral F 63 perfs total <br />(1 /2 a perf means the first perf starts at the middle feed manifold) <br />9) 7/3Z inch perfs at feet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size I* spacing, Ex pipe size on line 12, max perfs/lateral = 30 line #8 must be less -•3 OK <br />ons 4.0 doses per day ( 4 minimum) <br />11 188 gallons per dose (treatment volume) <br />2.00 5x <br />2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement <br />2.00 3x <br />13, feet of 2.0 inch supply line leads to ##### gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />34) ###### gallons TOTAL pump out volume (treatment + drainback) <br />is: feet vertical lift from pump to mound laterals, Leads to a: <br />�6} 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) 1300 gal Dose tank (design size / LUG req'd) at 25,49 gpi <br />leads to a <br />IX; ###### inch swing on Demand float, or timed dosing of ##### min ON (confirm pump rate with drawdown <br />(this delivers Average flow, =70% of Peak design flow) ##### hrs OFF test and adjust as necessary) <br />19i 12 inches from bottom of tank to "Pump OFF" float <br />2rri ###### inches from bottom of tank to "Pump ON" float, or 12 inches to "Timer ON" float if time dosed <br />21) ###### inches 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 />