Venting & Inspection€¦ · SEPTIC TANK 30 A-Center-to-center pipe spacing C-Minimum separation...
Transcript of Venting & Inspection€¦ · SEPTIC TANK 30 A-Center-to-center pipe spacing C-Minimum separation...
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Venting & Inspection
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Differential Venting• Entry vent is at the end of the system
• Exit vent is on the roof of the building
• A minimum difference of 10’ is needed
• If a pumping station is used, install an air bypass pipe
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EnviroSepticTM
Design Considerations /
Calculations
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Minimum # of Pipes = Peak Flow / 27.7 Imp. Gal (126 L)
Required Dispersal Area = Peak Flow / Infiltrative Loading Rate
Required System Sand = 12” (30cm) below AES Pipes
6” (15cm) on either side of AES Pipes
4” (10cm) above AES Pipes
Minimum Lateral Length = 20 Feet (2 Pipes)Maximum Lateral Length = 60 Feet (6 Pipes)
Treatment Capacity is the same regardless of whether it is front end
fed or Centre Fed; however, it is possible to Linear Load based on
the HLLR in Appendix A.1.E.1.
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EnviroSepticTM
System Configurations
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Trench System
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Subsurface Installation
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Above Ground
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Mound Installation
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Raised Sloping System
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Commercial System
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Low Pressure Distribution System –
Alternating Lateral Dosing
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Custom Configurations
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Questions??