Which of the following documents would a contractor submit to a project manager if work...

When a contractor must perform work beyond the original scope of the contract, they submit a change-order request. This formal document details the additional work, associated costs, and justification, and requires approval from the project manager before proceeding.

A (Schedule-of-values request) is related to progress payments.

C (Scope change request) is typically initiated by the client.

D (Justification for change) might support a change-order, but it is not a formal request document.