Minnesota Department of Transportation
Jump to main content.
picture of washout
Construction Tools - Contract Changes
Methods used to modify construction contracts
Home | Innovative Contracting | Contract Changes | Project Controls | Labor Compliance | References | Contacts


Claims submittals


Contract changes


Design-bid-build forms

Change Order
Work Order/MEW


Supplemental Agreement

Part A
Part B


Sample Language

Change Order
Work Order/MEW
Supplemental Agreement


Design-build forms

Part A
Part B


Design-Build Partnering Sample Language
(to add professional partnering facilitator for project already let)

CO level 2 Part A
CO level 2 Part B


Design Build Partnering Sample Language

Part A

Part B





Contract Change Methods

Check the Contract Changes Section of the Contract Administration Manual.

For design-build project changes, check design-build guidelines.


See the Contract Changes Decision Tree


Contract Changes Review and Submittal
Send draft SA, CO level 2, justification letters, CO and WO for approval to ContractChanges-Enc@state.mn.us


Construction Cost Support

Send Equipment Rate Approval worksheets and information for negotiated price approvals to: Construction Cost Support


Change Order

Warning: you cannot negotiate payment for Change Orders.

Change Orders document adjustments or minor plan changes allowed by Contract Specifications:

  • Normal increase/decrease of contract items
  • Unacceptable work
  • Revision of measurement method
  • Waiver of liquidated damages
  • Incentives/disincentives
  • Other payments specified in contract


Change Order process and payment


Sample Change Order language


Work Order/Minor Extra Work (MEW)
Work Orders/Minor Extra Work must meet three criteria:

  1. Work omitted from the Contract and needed to complete the project as let
  2. Changes that involve extra work needed to complete contract as let
  3. Changes that cost $50,000 or less

Work Order/MEW process and payment


Sample Work Order language


Work Order Reasons

Work Order/MEW must not be used for Contract Specification changes.

Supplemental Agreement Supplemental Agreements document:
  • Design or Contract Specification changes
  • Major design or Contract Specification errors/ambiguities
  • Any extra work valued at $50,000 or more


Supplement Agreement types

Sample SA language

SA process flowchart

Supplemental Agreement transmittal


Supplemental Agreement reasons