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2011 purple code Mound Design <br />www.SeplicResaurce.cam (vers 15.2) <br />Property Owner: Mark Beltrand <br />Site Address: 1860 West Farm Road <br />Date: 11/12/2018 <br />PID: 2711823430018 <br />Comments: �Om i' S i 2I f,-- <br />instructions: = = enter data = adjust if desired = computer calculated - DO NOT CHANGE! <br />1) bedroom Type I ' I Residential System <br />600 GPD design flow <br />Yes Garbage disposal or pumped to septic <br />2254 Gal Septic tank (code minimum) <br />50% larger tank with multiple comp/tanks <br />2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: none <br />1.2 GPD/ft7 mound sand loading rate contour loading rate of 12 req's a min 38 ft. long rockbed <br />1D.D ft rockbed width 5D.0 ft rockbed length <br />3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br />end feed manifold connection <br />laterals 48,0 feet long 17.4 perfs / lateral 51 perfs total <br />(1 /2 a pert means the first perf starts at the middle feed manifold) <br />1l4" inch perfs at feet residual head gives 0.74 gpm flow rate per perforation <br />for this pert size Et spacing, Et pipe size on line 12, max perfs/lateral = 25 line #8 must be less > OK <br />10) 4.4 doses per day (4 minimum) <br />11) 150 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) 200 feet of 2.0 inch supply line leads to 34 gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />14) 184 gallons TOTAL pump out volume (treatment + drainback) <br />i5) 18 feet vertical lift from pump to mound laterals, leads to a: <br />]6) 3$ JGPM C 33 feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) <br />17) 500 gal Dose tank (code minimum) 1000 gal Dose tank (design size / LUG req'd) at 25.00 gpi <br />leads to a <br />18) 7.4 inch swing on Demand float, or timed dosing of4.8 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 />l9)12 inches from bottom of tank to "Pump OFF" float <br />20) 19 inches from bottom of tank to "Pump ON" float, or 12 inches to "'Timer ON" float if time dosed <br />21) 22 inches from bottom of tank to "Hi Level" float, or 32 inches to "Hi Level" float if time dosed <br />22) 450 gallons reserve capacity (after High Level Alarm is activated) <br />