septic design - Laserfiche WebLink

Home Browse Search

Installer Summary 2250 gallon Septic tank (minimum) Tank options: Multiple tanks or compartments req'd ou7b Larger [anK wr[n muiupLe compfranres 1250 gallon Dose tank (minimum) at 25.49 gpi 36 GPM L 29 ft. of head, Pump required 8.6 inch swing on Demand float which translates to roughly =inches of float tether length 6.1 minutes ON 21 inches from bottom of tank to "pump ON" float, or 8.5 hours OFF 24 inches from bottom of tank to "Hi Level Alarm" or 12 inches to "timer ON" float 34 inches to "Hi level" float 175 ft. of 2.0 inch supply line with end f —ee—d7 manifold connection (Tip: "top feed" manifold to control drainback) 20 inch, or 1.7 ft. Sand Lift Mound 10.0 ft. wide by 63.0 ft. long Rock bed 3 laterals 2.00 inch diameter 61,0 ft. long =ft. lateral spacing 7132 inch perfs 3.0 ft. perforation spacing No Effluent filter 8: alarm 3 clean out It valve box assemblies 27,0 ft.Total sand ABSORPTION width (minimum) 0.0 ft. upslope and sideslope (sand beyond rockbed, minimum) 17.p ft. Downslope (sand beyond rockbed, minimum) Specific slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratio 12 ft. upslope berm 4:1 sideslope 16 ft. sideslope berms 4:1 downslope 26 ft. downslope berm 4" inspection pipe 18" cover on top UDslooe berm = _ I 11 Downslope berm 26 12" cover on sides (6" loamy cap & 6" topsoil) 1.7 Clean sand lift G.3 Depth to Limiting Li Mtall _ ---T— — - — - Absorption Width --- Note: For 0 to 1%slopes, Absorption Wdth is measured from the Bedequally in both directions. For slopes X1%, A,hsorption Width is measured downhill from the upslope edge of the Bed. Rock Bed: 21.0 yd or *1.4= 29 ton Mound Sand: 266 yd3 or *1.4= 373 ton Loamy Cap: 89 yd or *1.4= 125 ton Topsoil: 102 yd or "1.4= 143 ton INSPECTOR CHECKLIST 61U Lakeview tlarKway 6 inches under pipe calculation based on 3:1 /4:1 slope from top of rockbe 6" deep 6" deep - mound