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AWWA C303 Document Information:
Title
Concrete Pressure Pipe, Bar-Wrapped, Steel-Cylinder Type
American Water Works Association
Publication Date:
Jun 16, 2002
Scope:
This standard describes the manufacture of concrete pressure pipe,
reinforced with a steel cylinder that is helically wrapped with mild
steel bar reinforcement, in sizes ranging from 10 in. through 72 in.
(250 mm through 1,830 mm), inclusive, and for working pressures up to
400 psi (2,760 kPa). Larger pipe sizes and pipe accommodating higher
pressures have been manufactured based on the concepts of this standard.
With agreement by the purchaser and the manufacturer, pipe may be
manufactured to larger sizes and for higher pressures than indicated
herein. This standard does not include requirements for design,
handling, delivering, laying, field testing, or disinfecting of pipe and
fittings. See AWWA Manual M9, Concrete Pressure Pipe, for information
on these topics.
Essential requirements. The pipe shall have the following principal
features: a welded steel cylinder with sized steel joint rings welded
to the ends; a lining of concrete or cement mortar centrifugally applied
within the steel cylinder and spigot ring; reinforcement consisting of
continuous steel bar helically wound tightly around the outside of the
cylinder and securely fastened by welding to the steel joint ring at
each end of the cylinder; a coating of dense mortar covering the
cylinder and bars, except for the necessarily exposed surfaces of the
spigot joint ring; and a self-centering joint with a preformed gasket of
rubber, so designed that the joint will be watertight under all
conditions of service.
Purpose
The purpose of this standard is to provide purchasers, manufacturers,
and constructors with the minimum requirements for concrete pressure
pipe, bar-wrapped, steel-cylinder type, including fabrication and
testing requirements.
Application
This standard can be referenced in specifications for purchasing and
receiving concrete pressure pipe, bar-wrapped, steel-cylinder type.
This standard can be used as a guide for manufacturing concrete pressure
pipe with a steel cylinder that is helically wrapped with bar
reinforcement. The stipulations of this standard only apply when this
document has been referenced to bar-wrapped, steel-cylinder concrete
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