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2011 purplecode Mound Design <br /> www.SepticResource.com (vers 12.6) <br /> Property Owner: Kurt Carol Schmidt Date: 5/16/2013 <br /> Site Address: Jacob Mill Road Orono MN 55364 P1D: <br /> Comments: <br /> instructions: � =site specific input � =adjust if desired � =self-calculated {DO N07 ADJUST) <br /> �� ��4 bedroom Type �I Residential System <br /> 2) �GPD design flow <br />` 3) No Garbage disposat or pumped to septic <br /> ) 1500 Gal Septic tank(code minimum} 2000 Gat Septic tank (design size / LUG req'd) <br /> Tank options: Multipte tanks or campartment reqd <br /> s) 1.2 GPD/ftz mound sand loading rate <br /> 6� 90 ft rockbed width 50.0 ft rockbed length <br /> � 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br /> end feed manifotd connection <br /> s) �3 laterals 48.0 feet long 17.0 perfs / tateral 51 perfs total <br /> (1/2 a perf ineans the first perf starts at the middle feed manifotd► <br /> . 9? 1/4" inch perfs at �1 feet residual head gives 0.74 gpm flow rate per perforation <br /> for this perf size ft spacing, �t pipe size on line 12, max perfs/lateral= 25 , line#8 must be less--> OK <br /> to) 4.Q doses per day (4 minimum) <br /> ii� 150 gallons per dose (treatment volume) <br /> i2� 2,00 inch diameter laterals (or smalter)will meet"5x pipe volume" <br /> 2.00 inch diameter lateraLs (or smaller) must be used to meet"4x pipe volume"reguirement <br /> 2.00 inch diameter laterats (or smaUe�j will meet"3x pipe volume" <br /> ts� 30 feet of 2.0 inch supply line leads ta �5 gallons of drainbatk votume <br /> (Tip: "top feed"manifoid to cantrot the drainback) <br /> �a� 155 �allons TOTAL pump out volume (treatment+drainback) <br /> ts� 8 feet verticat lift from pump to dispersal area, leads to a: <br /> �6� 38 GPM� 15 feet of head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> i�> 500 gal Dose tank(code minimum) 1000 gal Dose tank(design size / LUG reqd) at 25.00 gpi <br /> teads to a <br /> is� 6.2 inch swing on Demand itoat, or timed dosing of 4.1 min ON (confirm pump rate with drawdown <br /> (to detiver Average flow, 66%of Peak design flow) 9 hrs OFF test and adjust as necessary} <br /> �9� 12 inches from bottom of tank to"Pump OFF"float <br /> ao) 18 inches from bottom of tar�k to"Pump ON"float, or 12 mches to'Timer ON"float if time dosed <br /> 2t> 21 inches from bottom of tank to"Hi Level"float, or 31 inches to"Hi level"float if time dosed <br /> 22� 475 gallons reserve capacity (after High Level Alarm is activated) <br />