Sewer Design Standards & Guidelines

Velocity: The velocity of flow in sanitary sewers shall be kept between 0.6 metres/second and 3.0 metres/second.
Depth: Sanitary mains shall have depth adequate to permit sewer services to be constructed a minimum of 2.74 m deep (from the ground surface to the invert of the pipe) at the property line separating private and city land.
Manhole: Manholes must be installed at the end of each sewer, at all changes in sewer size, grade, or alignment and at all junctions. The maximum permitted manhole spacing for all sewers less than 1200 mm in diameter is 150 metres.
Pipe Materials: Approved materials for pipe construction of sanitary sewer mains are non-reinforced concrete pipe, reinforced concrete pipe, and PVC (polyvinyl chloride) pipe.

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Online	Contact 311 Online

Telephone	In Edmonton: 311 Outside Edmonton: 780-442-5311
TTY	780-944-5555
Email	311@edmonton.ca

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