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CI/ASCE 38-02

Standard Guidelines for the Collection and Depiction of Existing Subsurface Utility Data

This Standard presents a credible system for classifying the quality of utility location information that is placed in design plans. It addresses issues such as: how utility information can be obtained; what technologies are available to obtain that information; how that information can be conveyed to the information users; who should be responsible for typical collection and depiction tasks; what factors determine which utility level attribute to assign to data; and what the relative costs and benefits of the various quality levels are. The Standard will assist engineers, project and utility owners, and constructors in developing strategies to reduce risk by improving the relibiality of information on existing subsurface utilities in a defined manner.

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ASCE: American Society of Civil Engineers [ASCE]


As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.