AFTERDRAFT

What does COR mean in construction?

Short definition

A COR is a contractor request asking for approval of a change in cost, time, or scope.

Longer explanation

A change order request often includes pricing, backup, schedule impact, and references to RFIs, drawings, directives, or field conditions.

Example in context

The project team reviewed the COR during the construction phase.

Common users

  • Owners
  • Architects
  • Contractors
  • Construction managers

Related terms