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Chapter 6

6.19 As-Built Mapping of Underground Electronic Utility Markers73

Practice Statement:

The location of underground electronic utility markers is identified on as-built mapping, GIS mapping, and/or other underground facility mapping documents.

Practice Description:

Appropriate asset data collection and data management procedures are in place after completion of the underground facility installation. Primary among these is the practice to note in all as-built mapping where path and point markers are installed to increase the awareness of the existence of underground facility markers during the locate process.

References:

  • ASCE 38-02 “Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data”
  • See Practice Statement 2-18, “Identifying Newly Installed or Under-Construction Facilities”
  • Consolidated Edison guideline, “Installation of electronic markers on gas mains and services”

 

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