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10-18-2018 Septic Design
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160 Big Island - PID: 23-117-23-23-0020/0019
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10-18-2018 Septic Design
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Last modified
8/22/2023 4:12:35 PM
Creation date
10/5/2021 11:13:58 AM
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x Address Old
House Number
160
Street Name
Big Island
Address
160 Big Island
Document Type
Septic
PIN
2311723230020
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Installer Summary <br />1000 gallon Septic tank (minimum) Tank options: none <br />1000 gallon Dose tank (minimum) at =gpi <br />14 GPM @ 23 ft. of head, Pump required <br />###### inch swing on Demand float which translates to roughly ##### inches of float tether length <br />if time dosing is required -[4.7 4.7 minutes ON time i3 =hours OFF time <br />###### inches from bottom of tank to "pump ON" float, or 12 inches to "timer ON" float <br />###### inches from bottom of tank to "Hi Level Alarm" or ##### inches to "Hi level alarm" if time dosed <br />6D ft. of 2.0 inch supply line with end feed manifold connection <br />(Tip: "top feed" manifold to control drainback) <br />18 inch, or 1.5 ft. Sand Lift Mound <br />10.0 ft. wide by 19.0 ft. long Rock bed <br />3 laterals 2.00 inch diameter 17.0 ft. long3.0 ft. lateral spacing <br />1/4" inch perfs 3.0 ft, perforation spacing <br />No Effluent filter a alarm <br />3 clean out Et valve box assemblies <br />26.9 ft.Total sand ABSORPTION width (minimum) <br />0.0 ft. upslope and sideslope (sand beyond rockbed, minimum) <br />16.9 ft. Downslope (sand beyond rockbed, minimum) <br />Specific slope ratios give BERM widths (topsoil beyond rockbed) of: <br />3:1 upslope ratio 10 ft. upslope berm <br />3:1 sideslope 11 ft. sideslope berms <br />3:1 downslope 20 ft. downslope berm <br />4" inspection pipe <br />18" cower on tap <br />Upslope berm 10 .I & Downslope berm 20 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.5 11 Clean sand lift <br />1.5 Depth to Limiting` <br />Lrrnrting C©ndition----------- <br />T Absorption Width <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1%, Absorption W&Mis measured downhill from the upslope edge of the Bed <br />Rock Bed: 7.0 Yd or "1.4= 10 ton <br />Mound Sand: 58 yd or *1.4= 81 ton <br />Loamy Cap: 30 yd or *1.4= 42 ton <br />Topsoil: 37 yd or *1.4= 52 ton <br />6 inches under pipe <br />calculation based on 3:1/4:1 slope from top of rockbe, <br />6" deep <br />6" deep <br />
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