07-11-22 Septic Design - Laserfiche WebLink

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WELL setbacks: 20'- 50' to sewer line req's MDH pressure test form (5 psi for 15 min) 50' to everything 100' to drainfield with shallow well PROPERTY LINES setback: 10' to everything Road setback:. platted: 10' prop line. Metes Et bounds: out of road easement, or outer ditch. LAKE / BLUFF setback: 20' for bluff. Lakes: GD _, RD _, NE Protected wetland _ Building setbacks: 10' for everything, 20' for dispersal area. WATER LINE under pressure 10' to bed,tank £t sewer line. (else sewer line > 12" below) QSewer line Et tank connection (no hard 90's, long sweep 90 or 2-45's, slope minimum 1" in 8' = 1%) (no depth req's, clean out every 100', Sch 40 pipe) Septic tank and risers (water tight risers, baffles, insulated, proper depth, existing verified by pumping) mfg; 2250 gallons none Riser over outlet, riser over inlet or center, and 6"+ inspection pipe over any remaining baffles. No effluent filter Et alarm Dose tank, risers and piping (water tight risers, insulated, proper depth, drainback) mfQ 1250 gallons Optional Time dosing of: dose pump 29 gpm 20 head VERIFY PUMP CURVE 5.7 min ON 8.5 hr OFF verify that installed "vertical lift from pump to laterals" is no more than design value of 12 feet float setting drop 6.5 inches at 25.5 gpi "DESIGNED" 4.3 inches approx float tether length 166.0 gal dose divided by gpi "INSTALLED" = inches float drop (field corrected LABEL pump requirements and drawdown on riser or panel Cam lock reachable from grade - 30" max. J -hook weep hole. Supply line access (no hard 90's) 2.0 inch supply pipe: Sch40, sloped 1l8"+, supported by 4" sch40 sleeve or compacted, and buried 6"+. splice box I control panel / electrical connections I Hi Level Alarm flow measurement: CT, ETM, time dosed, home water meter mound absorption area rough up mound rock dimensions 10.0 X 50.0 Sand lift depth 20 inches. (Jar test : 2" sand leaves E 1/8" silt after 30 min) QAbsorption Sand beyond rock 0.0 upslope 17.0 downslope Bermed topsoil beyond rockbed 10 upslope 18 sideslope 30 downslope cover depth of 12-18"+ VERIFY 3 laterals (1-2' from edge of rock) 2.00 inch pipe size (Sch40 pipe it fittings) 3.0 ft lateral spacing 7132 inch perforations 3.0 ft perforation spacing Air inlet at end of laterals, and at top feed manifold if necessary. VERIFY clean outs (no hard 90's) 4" inspection pipe to bottom of rock, anchored VERIFY Abandon existing system - if necessary Re -use existing tank certification monitoring plan and type well abandonment form - if necessary G Y Y 5