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RISENContour Wading rate - NNI <br />I. hereby certify that I have completed this work in accordance licabEe ordinances, rules and laws. <br />Pernel Chip Hentges 2064 <br />�7 J <br />(Designer) (Signature) (License #) (Date) <br />Mound Design <br />Property Owner: <br />Date: 8/15/2010 <br />T rov,J oh nso na Co. Wrig ht.m n. us <br />for questions or comments <br />Site Address: (I 5� )1:::0-K —�I- *C-� PID; <br />Comments: Orcl-4 <br />instructions: u = req'd input 0 = input or default = calculated field *** = installer info <br />=bedroom Type �I Residential System <br />2) 750 GPD design flow <br />3) No Garbage disposal or pumped to septic <br />4) '`* F2500 Gallon septic tank (minimum) <br />s) 1.2 GPD/fe mound sand loading rate <br />s) 16 ft rockbed width 62.5 ft rockbed length <br />i) `** 3.0 ft lateral spacing 3.0 ft perforation spacing (default 3, range 2-3, for both) <br />manifold connection <br />Fend feed <br />s) "* =laterals 60.5 feet long 21 perfs / lateral 126 perfs total <br />�) '"7/32 inch perfs at =feet residual head gives 0.56 gpm flow rate per perforation <br />(3/16" default) (2' head default) <br />for this pert size li spacing, ft pipe size on line 12, max perfs/lateral =F--174, line #8 must be less --> ERROR <br />10) doses per day (5 recommended, 4 minimum) (4 will allow 2" laterals, 5 will allow 1.5") <br />11) 150 gallons per dose (treatment volume) <br />Multiple tanks or compartment req'd <br />12) 1.25 inch diameter laterals (or smaller) will meet "5x pipe volume" <br />*** 1.25 inch diameter laterals (or smaller) must be used to meet "4x pipe volume" requirement <br />1.50 inch diameter laterals (or smaller) will meet "3x pipe volume' <br />13) *" =feet of 2.0 inch supply line leads to =gallons of drainback volume <br />("top feed" manifold to control the drainback) <br />14) 163 gallons TOTAL pump out volume (treatment + drainback) <br />1 s) vertical lift from pump to dispersal area, leads to a: <br />16) *** [::71Oqfeet <br />GPM @ 26 feet of head, Pump requirement note: >50gpm may require an extra 3-6' of head <br />17) `*' 1500 gal Dose tank (minimum) at approximately 31.00 gpi <br />leads to a <br />5.3 inch swing on Demand float, or timed dosing of2.3 min ON (confirm pump rate with drawdown <br />F4.8 hrs OFF test and adjust as necessary) <br />,a) F-1-71inches of effluent from bottom of tank to cover pump <br />