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2011 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, B(k 1 White Oak Funk Add. PID: <br /> Comments: Future Site <br /> instructions: =enter data =adjust if desired = computer calculated - DO NOT CHANGE! <br /> `1 5 bedroom Type I Residential System <br /> 750 GPO design flow <br /> 3, Yes Garbage disposal or pum• to septic 50%larger tank with multiple comp/tanks <br /> 4) 2250 Gat Septic tank (code minium) 2250 Gal Septic tank (design size / LUG req'd) <br /> Tank options: none <br /> 51 1.2 GPD/ftz mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. long rockbed <br /> 10.0 ft rocl(bed 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 /> 8 3 laterals 60.5 feet long 21.0 perfs / lateral 63 perfs total <br /> (1/2 a pert means the first pert starts at the middle feed manifold) <br /> v) 7/32 inch perfs at 1 feet residual head gives 0.56 gpm flow rate per perforation <br /> for this pert size&spacing, &pipe Size on line 12, max perfs/lateral= 30 , line#8 must be less --> OK <br /> iu, 4.0 doses per day (4 minimum) <br /> 11) 188 gallons per dose (treatm4t 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 volime (treatment+ drainback) <br /> 1 s, feet vertical lift from pump to mound laterals, leads to a: <br /> 16, 36 GPM® ##### feet ofi head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> 17) 750 gat Dose tank (code minimu,tn) 750 gat Dose tank (design size / LUG req'd) at gpi <br /> leads to a <br /> ######inch swing on Demand float, or timed dosing of #####min ON (confirm pump rate with drawdown <br /> (this delivers Average flow, =7j0%of Peak design flow) ##### hrs OFF test and adjust as necessary) <br /> 1e) 12 inches from bottom of tank to"Pump OFF"float <br /> 201 ######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 Level"float if time dosed <br /> 22, ######gallons reserve capacity (a ter High Level Alarm is activated) <br />