as-built
adjective
- the form in which something was actually constructed
Wiktionary
adj
- Relating to the form in which something was originally built.
“It was restored to near as-built condition by EWS ahead of the RAIL/EWS Toton Open Day in August 1998, and was withdrawn from traffic in December 1999, passing to the National Collection.”
noun
- A drawing showing how a project was actually built as opposed to how it was intended to be built.
“Maintaining as-builts on the Big Dig was a major undertaking, as it required keeping thousands of utility drawings up to date with the latest changes.”