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2011 purple code Mound Design <br />WWVJ,SeptICR@sOl1rCE.Cnm Bars 10 71 <br />Property Owner: Norton Homes <br />Site Address: 710 Lakeview Parkway <br />Comments: <br />Date: 4/8/2021 <br />PID: 0611723340014 <br />nstructions: = = enter data = = adjust if desired = = computer calculated - DO NOT CHANGE! <br />1) bedroom Type <br />2) 750 GPD design flow <br />3) Yes Garbage disposal or pumped to septic <br />4) 2250 Gal Septic tank (code minimum) <br />1.2 GPD/ft2 mound sand loading rate <br />10.0 ft rockbed width 62.5 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 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 />7J32 inch perfs atfeet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size Et spacing, & pipe size on line 12, max perfs/lateral = =1 line #8 must be less OK <br />Residential System <br />50% larger tank with multiple comp/tanks <br />2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: Multiple tanks or compartments req'd <br />contour loading rate of 12 req's a min 62.5 ft. long rockbed <br />10) 4.0 doses per day ( 4 minimum) <br />11) 188 gallons per dose (treatment volume) <br />12) 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement <br />13) 62 feet of 2.0 inch supply line leads to =gaLlons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />14) 199 gallons TOTAL pump out volume (treatment f drainback) <br />15) H36 <br />feet vertical lift from pump to mound laterals, leads to a: <br />16) GPM C 19 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: I Optional Time dosing of: <br />18) 7.8 inch swing on Demand float, (this delivers Average flow, =70% of Peak design flow) <br />5.5 min ON <br />19) 12 inches from bottom of tank to "Pump OFF" float 8.5 hrs OFF <br />24) 1 20 linches from bottom of tank to "Pump ON" float 12 inches to "Timer ON"float <br />211 1 23 linches from bottom of tank to "Hi Level" float 33 inches to "Hi Level" float <br />22) 664 gallons reserve capacity (after High Level Alarm is activated -demand dosed) <br />