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Circular Non-Reinforced Concrete Pipe
Uses
Circulare Non-Reinforced Concrete Pipe is recommended for installations where:
Low to moderate cover and/or live load conditions exist
Structural failure will not endanger life or property
Sizes Non-Reinforced Concrete Pipe is normally available in diameters of 10 inches (250mm) through 36 inches (900mm). However, in Ontario, it is available in 150mm, 200mm and 250mm.
Application
Circular Non-Reinforced Concrete Pipe is produced for the following:
Storm drains
Culverts
250mm concrete is used for sanitary in Hamilton
Joints
The following joints are normally available for Circular Non-Reinforced Concrete Pipe:
Tongue and groove with mastic or butyl sealant
Concrete joint with confined O-ring gasket, rubber or neoprene (U.S. Bureau of Reclamation Joint Type R-4)
Concrete joint with single-offset and profile gasket, rubber or neoprene
Positive lock gasket
Linings/Coatings
A variety of linings and coatings are available should project conditions dictate their use.
Fittings/Specials
A wide variety of fittings and specials are available to augment circular pipe. Specials include:
Tees
Wyes
Elbows
Reducers/increasers
Adapters
Applicable Specifications
The following specifications apply to Circular Reinforced Concrete Pipe:
