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Content DescriptionThis 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. This standard can be referenced in purchase documents for the thickness design of ductile-iron pipe. The stipulations of this standard apply when this document has been referenced and then only to the thickness design of ductile-iron pipeSubscription InformationMADCAD.com AWWA Standards & Manuals subscriptions are annual and access is concurrency based (number of people that can access the subscription at any given time).
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About AWWAEstablished in 1881, the American Water Works Association is the oldest and largest nonprofit, scientific and educational organization dedicated to safe and sustainable water in the world. With more than 50,000 members worldwide and 43 Sections in North America, AWWA advances public health, safety and welfare by uniting the efforts of the entire water community. AWWA Offers education to water professionals Advocates for safe and sustainable water Collects and share knowledge Creates volunteering opportunities |
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