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2011 purple code Mound Design <br />vuvvrw.SepticResource.com (vers 22.2) <br />Property Owner: Swanson Homes <br />Site Address: 625 Pinehurst Court <br />Comments: <br />Date: 4/5/2022 <br />PID: 0611723330011 <br />instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! <br />1) bedroom Type �I Residential System <br />2) 600 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 />s} 1.2 GPD/ftz mound sand loading rate contour loading rate of 12 req's a min 50 ft. long rockbed <br />6) 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) I— ' llaterals 4$.0 feet long 17.0 perfs / lateral F 53 perfs total <br />(1 /2 a pert means the first perf starts at the middle feed manifold) <br />9) 7/32 inch perfs at feet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size 6t spacing, it pipe size on line 12, max perfs/lateral ® F370-1, line #8 must be less > OK <br />10) 4.0 doses per day (4 minimum) <br />11) 1 150 gallons per dose (treatment volume) <br />12) 2.Dq inch diameter laterals must be used to meet `°4x pipe volume" requirement <br />13) 95 feet of 2.0 inch supply line leads to16 gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />14) 166 gallons TOTAL pump out volume (treatment + drainback) <br />15) 12 feet vertical lift from pump to mound laterals, leads to a: <br />i6) 29 GPM @ 20 feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) <br />17) 500 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) 6.5 inch swing on Demand float, (this delivers Average flow, =70% of Peak design flow) <br />5.7 min ON <br />19)Minches <br />inches from bottom of tank to "Pump OFF" float 8.5 hrs OFF <br />10) 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 32 inches to "Hi Level" float <br />22) 689 gallons reserve capacity (after High Level Alarm is activated -demand dosed) <br />