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11-15-2019 Septic Design
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1140 Wyndmere Rd - 26-118-23-41-0014
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11-15-2019 Septic Design
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Last modified
8/22/2023 4:18:48 PM
Creation date
9/29/2021 9:14:20 AM
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x Address Old
House Number
1140
Street Name
Wyndmere
Street Type
Road
Address
1140 Wyndmere Road
Document Type
Septic
PIN
2611823410014
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Property Owner: David Gange <br />Site Address: 1140 Wyndmere Rd. <br />Comments: <br />Date: 11/1/2017 <br />PID: 26-118-23-41-0014 <br />instructions: 0 = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! <br />1) F4 bedroom Type �I Residential System <br />GPD design flow <br />3) No Garbage disposal or pumped to septic <br />1500 Gal Septic tank (code minimum) F25oo IGat Septic tank (design size / LUG req'd) <br />Tank options: Effluent filter Ft alarm req'd <br />s) 1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min F;j-lft. long rockbed <br />a' 10.0 ft rockbed width 50.0 ft rockbed length <br />71 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br />W feed manifold connection <br />8) =LateraLs 48.0 feet long 17.0 perfs / lateral 51 perfs total <br />(1 /2 a pert means the first perf starts at the middle feed manifold) <br />=inch perfs at =feet residual head gives 0.74 gpm flow rate per perforation <br />for this pert size i3 spacing, Ft pipe size on line 12, max perfs/lateral = 25 line lib must be less > OK <br />10) 4.0 doses per day { 4 minimum) <br />1 1) =gallons per dose (treatment volume) <br />2.00 5x <br />12) 2.00 I inch diameter laterals must be used to meet "4x pipe volume" requirement <br />2.00 3x <br />13) ®feet of MJinch supply Line leads to Flo gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />14) 160 Igations TOTAL pump out volume (treatment 4 drainback) <br />is) [77172 feet vertical lift from pump to mound laterals, leads to a: <br />ie) 38 GPM 20 feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) <br />17) gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 24.00 gpi <br />leads to a <br />Es) 6.7 inch swing on Demand float, or timed dosing of4.2 min ON (confirm pump rate with drawdown <br />(this delivers Average flow, =70% of Peak design ftow)B9 hrs OFF test and adjust as necessary) <br />19)16 inches from bottom of tank to "Pump OFF" float <br />o) 23 inches from bottom of tank to "Pump OW float, or1inches to "Timer ON" float if time dosed <br />21) 26 inches from bottom of tank to -Hi Level- float, or F3q6inches to "Hi Level" float if time dosed <br />22) 626 gallons reserve capacity (after High Level Alarm is activated) <br />3) Fiwo gpd/ft, Absorption area Soil Loading state, which gives a mound ratio of F7 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.0 <br />a) X12 percent site slope �(0-20% range) 12 (% downslope site slope, if different than upslope} <br />c� 1 1Q l�ni-ha.e nr 1 1 r it *n D—i— nr nfhnr limi+in �Ai+i^n I—A �f lase+ 11^ kn hn T- 11 <br />
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