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2011 purple code Mound Design <br />www.SepticResource.cam (vers 15 91 <br />Property Owner: Stonewood LLC. Date: 6/18/2018 <br />Site Address: Proposed Lot 5 PID: 0211723230006 <br />Comments: Site A <br />instructions: 0 = enter data = adjust if desired 0 = computer calculated - DO NOT CHANGE! <br />I,bedroom Type �' I Residential System <br />2) 750 GPD design flow <br />3) Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks <br />a) 2250 Gat Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: none <br />5, 1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. long rockbed <br />c1) 10.0 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 />Lend feed manifo(d connection <br />9) 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 />9) 7/32 inch perfs at feet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size Ft spacing, Ft pipe size on line 12, max perfs/latera( = F-30-1, line #8 must be less - OK <br />10) 4.0 doses per day ( 4 minimum) <br />1 > > 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 />iii feet of 2.0 inch supply line leads to ##### gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />lar ###### gallons TOTAL pump out volume (treatment + drainback) <br />i 5 feet vertical lift from pump to mound laterals, leads to a: <br />fi(1) 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 Mhrs <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 />iy 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 />^_i ) ###### inches from bottom of tank to "Hi Level" float, or ##### inches to "Hi LeveC float if time dosed <br />°_i ###### gallons reserve capacity (after High Level Alarm is activated) <br />