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ASCE/UESI/CI 38-22 Standard Guideline for Investigating and Documenting Existing Utilities
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Defines quality levels (A through D) for subsurface utility engineering data and how existing utilities are to be investigated and depicted on project plans.
July 2022; successor to CI/ASCE 38-02 Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data.
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Published by ASCE
Utah Department of Transportation (UDOT) incorporates this document by reference. It is not an agency publication and BuildSpec does not republish it; open the publisher's page for the current edition.
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