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2011 purple code Mound Design <br /> www.SepticResource.com (vers 15.2) <br /> Property Owner: David Gange Date: 11/1/2017 <br /> Site Address: 1140 Wyndmere Rd. PID: 26-118-23-41-0014 <br /> Comments: <br /> instructions: = =enter data =adjust if desired L� = computer calculated - DO NOT CHANGE! <br /> 1) bedroom Type Residential System <br /> 2) 600 GPD design flow <br /> 3) No Garbage disposal or pumped to septic <br /> 4) 1500 Gal Septic tank(code minimum) 2500 Gal Septic tank(design size / LUG req'd) <br /> Tank options: Effluent filter It alarm req'd <br /> 5) 1.2 GPD/ft mound sand loading rate contour loading rate of 12 req's a min 50 ft. long rockbed <br /> e> 10.0 ft rockbed width 50.0 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) laterals 48.0 feet tong 17.0 perfs/ lateral 51 perfs total <br /> (1/2 a pert means the first pert starts at the middle feed manifold) <br /> 9) 1/4" inch perfs at E1 feet residual head gives 0.74 gpm flow rate per perforation <br /> for this pert size Ft spacing, li pipe size on line 12, max perfs/lateral= 25 , line#8 must be less > OK <br /> 10) 4.0 doses per day (4 minimum) <br /> 1 1) 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) 75 feet of 2.0 inch supply line leads to 13 gallons of drainback volume <br /> (Tip: "top feed"manifold to control the drainback) <br /> 14) 163 gallons TOTAL pump out volume(treatment+drainback) <br /> 15) 1 12 Ifeet vertical lift from pump to mound laterals, leads to a: <br /> feet of head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> 16) 38 GPM F-21 <br /> 17) 500 gal Dose tank(code minimum) 1250 gal Dose tank(design size/ LUG req d) at 24.00 gpi <br /> Leads to a <br /> 18) 6.8 inch swing on Demand float, or timed dosing of4.3 min ON (confirm pump rate with drawdown <br /> (this delivers Average flow, =70%of Peak design flow) 9 hrs OFF test and adjust as necessary) <br /> 19) H23 <br /> inches from bottom of tank to"Pump OFF"float <br /> 20) inches from bottom of tank to"Pump ON"float, orM36 <br /> inches to"Timer ON"float if time dosed <br /> 21) 26 inches from bottom of tank to"Hi Level"float,or inches to"Hi Level"float if time dosed <br /> 22) 626 gallons reserve capacity (after High Level Alarm is activated) <br />