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i , <br /> � Mo u n d Design Trov Johnson^co Wnoht mn us <br /> for auest�ons or comments <br /> Property Owner: Curt Ritter Date: 7/24/2015 � <br /> Site Address: 835 Hunt Farm Rd.m Orono,Minn. PID: <br /> Comments: <br /> instructions: � = req'd input �� = input or default �� = calculated field ••* = instatler info <br /> i) ��bedroom Type � Residential System <br /> z) 600 GPD design flow <br /> 3> Yes Garbage disposal or pumped to septic larger tank, effluent filter Ft alarm req'd <br /> �a '"* 2600 Gallon septic tank (minimum) Multiple tanks or compartment req'd <br /> 2-1300$al. Tanks <br /> 5� '•2 GPD/ftZ mound sand loading rate . <br /> 6� 10 ft rockbed width 55.0 ft rockbed length <br /> �� "` 3.0 ft lateral spacing 3.0 ft perforation spacing (default 3, range 2-3, for both) <br /> end feed manifold connection <br /> ' 8> `"#�laterals 53.0 feet lonQ. 18 perfs / lateral 54 perfs total <br /> 9i "** 7/32 inch perts at �feet residual head gives 0.56 gpm flow rate per perforation <br /> (3/16"default) (2'head default) <br /> for this perf size ft spacing, fx pipe size on line 12, max perfsJlateral = 30 , line#8 must be less. <br /> ��� �doses per day (5 recommended, 4 minimum) (4 will allow 2" laterals, 5 will allow 1.5") <br /> i i� 120 gallons per dose (treatment volume) <br /> i'� 1.50 inch diameter laterals (or smaller) witt meet"5x pipe volume" <br /> ""' 2.00 inch diameter laterals (or smaller) must be used to meet"4x pipe volume" requirement � <br /> 2.00 inch diameter laterals (or smaller) will meet "3x pipe volume" <br /> i3� "*" 250 feet of 2.0 inch supply line leads to 43 gallons of drainback volume <br /> ("top feed"manifold to control the drainback) <br /> ia� 163 gallons TOTAL pump out volume (treatment + drainback) <br /> is> 8 feet vertical lift From pump to dispersal area, leads to a: <br /> �6� *" 30 GPM� 20 feet of head, Pump requirement note: >50gpm may require an extra 3-6'of head <br /> »��"'" 1�00 gal Dose tank (minimum) at approximatety 25.00 gpi , <br /> leads to a <br /> is> '*' 6.5 inch swing on Demand float, or timed dosing of 5.4 min ON (confirm pump ratQ"yvith drawdown <br /> 4.7 hrs OFF test and adjust ai nacessary) <br /> �9> 12 inches of effluent from bottom of tank to cover pump � <br /> '-o> *'" 19 inches from bottom of tank to"pump ON"float <br /> =�) '*" 22 inches from bottom of tank to"Hi Level Alarm"float (Add a few more inches if Time Dosed) ' <br /> '_z� 463 gallons reserve capacity (after High Level Alarm is activated) 1►Y � <br /> p ; � <br /> °� ��.��`'�t�+ r- �a N <br />