American Lifelines Alliance
http://www.americanlifelinesalliance.org/Products.htm#Guidelines

Guideline for the Design of Buried Steel Pipe - July 2001

This guideline presents design provisions to evaluate the integrity of Buried steel pipe for a range of applied loads. It applies to new or existing buried pipe made of carbon or alloy steel; welded pipe; piping designed, fabricated, inspected and tested in accordance with an ASME B31 pressure piping code; and buried pipe and its interface with buildings and equipment.

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