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AWWA C150/A21.50

2014 Edition, June 8, 2014

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Thickness Design of Ductile-Iron Pipe



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Product Details:

  • Revision: 2014 Edition, June 8, 2014
  • Published Date: June 8, 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Water Works Association (AWWA)
  • Page Count: 64
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This standard describes the thickness design of ductile-iron pipe complying with the requirements of ANSI*/AWWA C151/A21.51, Ductile-Iron Pipe, Centrifugally Cast. Sec. 4.1 outlines the design procedure, and Sec. 4.2 gives a design example. Sec. 4.3 explains the basis of design. As opposed to using procedures in Sec. 4.1 or Sec. 4.3, the designer may reference Tables 12 through 14 directly.

Table 12 lists thicknesses for standard laying conditions and certain depths of cover. Table 13 lists thicknesses for 150-psi through 350-psi (1,034-kPa through 2,413-kPa) water working pressure.

The greater thickness from Table 12 or Table 13 for given trench load or internal pressure should be used.

Table 14 lists working pressures and maximum depths of cover for standard laying conditions and standard pressure classes. Table 15 lists special thickness classes of ductile-iron pipe.

Purpose

The purpose of this standard is to provide the minimum requirements for the thickness design of ductile-iron pipe, including basis of design and design procedure.

* American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036.

† Metric identifiers in this standard are nominal sizes and are not those specified in International Organization for Standardization (ISO) standards.
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