07/09/2021 Septic Design - Laserfiche WebLink

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2099 purple code At -grade Design www,SepticResource.com (vers 15,2) Property Owner: Erik Schutz Date: 7/9/2021 Site Address: 250 Wakefield Road PID: 3611823310012 Comments: The rock bed is to be split into two 54 foot beds instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! l) bedroom Type Residential System z) 750 GPD design flow 3) Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks 4) 2250 Gallon septic tank (code minimum) 2250 Gallon Septic tank (design size / LUG req'd) Tank options: none 5) 1.00 GPD/ft2 Soil Loading Rate (this must match the soil boring log) 6) =ft absorption area (code minimum) 750 ft absorption area (design size / LUG req'd) 7) gpd/ft Contour Loading Rate (from table: 8 gal/ft maximum, 12 gal/ft "stacked" sytem total) 8) 108 ft rockbed absorption length (minimum) 9) 6.9 ft rockbed absorption width (15' maximum) 10) 2.0 ft perforation spacing (maximum of 3) middle feed manifold connection 11) Olateral F53.0feet long 27.0 perfs / lateral F 54 perfs total (1 /2 a perf means your first perf starts at the middle fed manifold) l?) 7132 inch perfs at =feet residual head gives0.56 gpm flow rate per perforation for this perf size It spacing, & pipe size on line 15, max perfs/lateral = ®, line #11 must be less OK 13) 4.0 doses per day ( 4 minimum) 14) 188 gallons per dose (treatment volume) 2.00 5x ls) 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement 2.00 3x 16) 107 feet of 2.0 inch supply line leads to 18 gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 17) 206 gallons TOTAL pump out volume (treatment + drainback) 18) 12 feet vertical lift from pump to drainfield laterals, leads to a 19) 31 GPM @ 21 feet of head Pump requirement (note: X50 gpm may require an additional 3-6' of head for discharge assembly)