2.11 As-built Drawings

Excavator Project Owner Designer

Practice Statement:

As-built drawings are prepared and the information is recorded to aid future excavations and locates.

Practice Description:

Installation is made in accordance with the approved construction plans. Any deviation to the plans is documented and such changes are indicated on the as-built drawings. As-built information is recorded, retained, and made available for subsequent excavation.


As-built drawings serve as an information source for future projects to minimize damage to existing facilities.


  • Union Pacific Railroad procedures
  • Expert opinion.
  • Industry and governmental practices


One Call Center One Call Center

Facility Owner Facility Owner

Excavator Excavator

Locator Locator

Project Owner Project Owner

Designer Designer