

The ability to verify installation of concealed, nonaccessible elements would be minimal. This would be a one-time walkthrough of the building which could be disruptive if the reviewers need to see above ceilings and/or work around occupants. The following are options for "when" the manual record drawings could be reviewed against actual installation, listed in order of increasing effectiveness: The process of verification If accuracy of the as-built documents is one of the priorities, the owner must then determine when and by whom that accuracy will be verified.

As-Built Drawings also used for operation and maintenance purposes.These drawing are used to install any equipment.The client refers to this drawing if he wants to do any construction work. It is used for future reference to know the modification that emerges in construction work. As-Built Drawings includes all the minor and major changes in the construction work.These modifications in the project mentioned in the as-built drawings. The contractor executes their work as per consultant instruction. During construction work, the contractor faces lots of problems while executing work.
