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2411 purple code Mound Design <br />www.SepticResource.com (vers 15.2) <br />Property Owner: Stonewood LLC. Date: 6/16/2018 <br />Site Address: Proposed Lot 3 PID: 0211723230006 <br />Comments: Site A <br />instructions: = = enter data = adjust if desired computer calculated - DO NOT CHANGE! <br />ibedroom Type �I Residential System <br />0 750 GPD design flow <br />31 Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks <br />41 2250 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: none <br />1.2 GPD/ftZ mound sand loading rate contour loading rate of12 req's a min 62.5 ft. long rockbed <br />6, 1Q.Q ft rockbed width 62.5 ft rockbed length <br />7 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br />end feed manifold connection <br />8) laterals 60.5 feet long 21.0 perfs / lateral 63 perfs total <br />(1 /2 a perf means the first pert starts at the middle feed manifold) <br />ai 7132 inch perfs at feet 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 --> OK <br />toi 4.0 doses per day (4 minimum) <br />iii 188 gallons per dose (treatment volume) <br />2.00 5x <br />12) 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 />14, ###### gallons TOTAL pump out volume (treatment + drainback) <br />i s; feet vertical lift from pump to mound laterals, leads to a: <br />16) 36 GPM @ ##### feet of head, Pump requirement (nate: >50gpm may require an extra 3-6of head.) <br />iii 750 gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.49 gpi <br />leads to a <br />inch swing on Demand float, or timed dosing of Nhrs <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 />iay 12 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 />21 } ###### inches from bottom of tank to "Hi Level" float, or ##### inches to "Hi Level" float if time dosed <br />lli ###### gallons reserve capacity (after High Level Alarm is activated) <br />