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2011 purple code Wound Design <br />G3 .SepticF2esouroe, corn (vers 15.2) <br />Property Owner: Stonewood LLC. <br />Site Address: 385 Orono Orchard Road S. <br />Date: 7/22/19 revised <br />PID: 0211723230005 <br />Comments: Primary Site <br />instructions: = = enter data = adjust if desired = computer calculated - DO NOT CHANGE! <br />1)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 />4) 2250 Gal 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 />61 10.0 ft rockbed width 63.0 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 />s) laterals 61,0 feet long 21.0 perfs / lateral 63 perfs total <br />(1 /2 a perf means the first perf 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 pert size ii spacing, 6t pipe size on line 12, max perfs/latera! = 30 , line #8 must be less > OK <br />10) 4.0 doses per day (4 minimum) <br />11) 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) 100 feet of 2.0 inch supply line leads to =gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />14) 205 gallons TOTAL pump out volume (treatment + drainback) <br />15}16 feet vertical lift from pump to mound laterals, leads to a: <br />10)1 36 JGPM C Z6 feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) <br />12) 750 gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.49 gpi <br />leads to a <br />18) 8.0 inch swing on Demand float, or timed dosing of5.7 min ON (confirm pump rate with drawdown <br />(this delivers Average flow, =70% of Peak design f1c 9 hrs OFF test and adjust as necessary) <br />F14)12 inches from bottom of tank to "Pump OFF" float <br />20) 20 inches from bottom of tank to "Pump ON"" float, orP33 <br />inches to "Timer ON" float if time dosed <br />21) 23 inches from bottom of tank to "Hi Level" float, or inches to "Hi Level" float if time dosed <br />22) 664 gallons reserve capacity (after High Level Alarm is activated) <br />