10-17-2017 Septic Design - Laserfiche WebLink

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for this pert size Et spacing, Et pipe size on line 12, max perfs/lateral = 30 line #8 must be less --> OK 10) =doses per day ( 4 minimum) 1 i} 188 gallons per dose (treatment volume) 2.00 5x 12) 2.00 inch diameter laterals must be used to meet 'Ax pipe volume" requirement 2.00 3x 13) F7feet of =inch supply line leads to ##### gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 14) ###### gallons TOTAL pump out volume (treatment + drainback) u) feet vertical lift pump to mound laterals, leads to a: I 6) F�366GPM @ ##### feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) 17) 750 gal Dose tank (code minimum) 1300 gal Dose tank (design size / LUG req'd) at 25.49 gpi leads to a is) ###### inch swing on Demand float, or timed dosing of Ohrs min ON (confirm pump rate with drawdown (this delivers Average flow, =70% of Peak design flow) OFF test and adjust as necessary) 19� Winches inches from bottom of tank to "Pump OFF" float top inches from bottom of tank to "Pump ON" float, or i2 inches to "Timer ON" float if time dosed 21) from bottom of tank to "Hi Level" float, or ##### inches to "Hi Level" float if time dosed 22) ###### gallons reserve capacity (after High Level Alarm is activated) 3) 0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) (this must match the soil boring log) desired mound ratio 2.7 4) Flo percent site slope (0-20% range) 10 (% downslope site slope, if different than upslope) s) 12 inches, or 1.0 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains =inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 6) 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSII I 7) FT7—.0-1 ft. Total ABSORPTION width (with sand beyond rockbed as follows:) 8)P17.0]ft. ft. upslope and sideslope Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 9) 4:1 upslope ratio[Oft. ft. upslope berm 0) 3:1 sideslope ft. sideslope berms p) 3:1 downslope downslope berm Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed 42 ft. wide by 93 ft. long Mound footprint 4" inspection pipe 18" cover on top berm 11 .l 1� b Downslope berm I " 12" cower on sides (6" loamy cap &6" topsoil) 2 0 Clean sand lift _ 1 1.0 1 Depth to Linnitin€,