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• <br /> /011 purple code Mound Design <br /> www.SepticResource.com (vers 15.2) <br /> Property Owner: Brian Merz Date: 8/19/2016 <br /> Site Address: Lot 1, Blk 1 White Oak Funk Add. PID: <br /> Comments: Future Site <br /> instructions: =enter data =adjust if desired = computer calculated - DO NOT CHANGE! <br /> I) 5 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 /> 6) 10.0 ft rockbed width 62.15 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 /> 8) 3 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 at 1 feet residual head gives 0.56 gpm flow rate per perforation <br /> for this perf size Et spacing, i* pipe size on line 12, max perfs/lateral = 30 , line#8 must be less --> OK <br /> )o) 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) feet of 2.0 inch supply line leads to ##### gallons of drainback volume <br /> (Tip: "top feed" manifold to control the drainback) <br /> 14) ######gallons TOTAL pump out volume (treatment+ drainback) <br /> 15) feet vertical lift from 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) 750 gal Dose tank (design size / LUG req'd) at gpi <br /> leads to a <br /> 18) ###### inch swing on Demand float,1 or timed dosing of ##### 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 /> 19) 12 inches from bottom of tank to"Pump OFF"float <br /> 20) ######inches from bottom of tank to"Pump ON"float, or 12 inches to "Timer ON"float if time dosed <br /> 21) ###### inches from bottom of tank to"Hi Level"float, or ##### inches to "Hi Levet"float if time dosed <br /> 22) ###### gallons reserve capacity (after High Level Alarm is activated) <br /> i � <br />