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2011 purple code Mound Design <br />www.SepticResource.com (vers 22.2) <br />Property Owner: Thomas Ryan Date: 9/14/2023 <br />Site Address: 2245 Watertown Road PID: 3411823330056 <br />Comments: Proposed lot 2 <br />instructions: F_� = enter data 0 = adjust if desired 0 = computer calculated - DO NOT CHANGE! <br />1) bedroom Type 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) Z250 Gal Septic tank (design size / LUG req'd) <br />Tank options: Multiple tanks or compartments req'd <br />51 1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. long rockbed <br />6) 10.0 ft rockbed width b2.5 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 />81 laterals 60.5 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 atfeet residual head gives 0.56gpm 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 />tn) 4.0 doses per day ( 4 minimum) <br />111 188 gallons per dose (treatment volume) <br />12) 2.00 inch diameter laterals must be used to meet 'Ax pipe volume" requirement <br />13) Ofeet of 2.0 inch supply line leads to ##### gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />t4) ###### gallons TOTAL pump out volume (treatment + drainback) <br />15) Bfeet vertical lift pump to mound laterals, leads to a: <br />16) 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: Optional Time dosing of: <br />18) ###### inch swing on Demand float, (this delivers Average flow, =70% of Peak design flow) <br />##### min ON <br />19) Winches <br />inches from bottom of tank to "Pump OFF" float ##### hrs OFF <br />20) inches from bottom of tank to "Pump ON" float 12 inches to "Timer ON" float <br />21) from bottom of tank to "Hi Level" float ##### inches to "Hi Level" float <br />22) ###### gallons reserve capacity (after High Level Alarm is activated -demand dosed) <br />