Fabl. Design
Practice / Contract amendment

Change order

Definition

A written agreement that changes the scope, price, or schedule of a construction contract after it is signed.

Signed contractChange orderscope · price · timeUpdated contractApprove before the extra work starts
Fig. 252 — Change order: schematic studyNOT TO SCALE

Structural & construction notes

Change orders should be approved before the extra work starts. Design changes during construction are a common source of cost overruns.

Frequently Asked Questions

An educational reference. Project-specific design requires professional guidance.