What is Change order (CO)?

A change order (CO) in the construction industry refers to any modification made to the original scope of work outlined in a contract. These changes can include alterations to the design, materials, schedule, or budget of a project. Change orders are common in construction projects as unforeseen conditions, design errors, or client preferences may arise during the construction process that require adjustments to the original plan. When a change order is issued, it must be approved by all parties involved in the project, including the client, contractor, and any subcontractors or suppliers affected by the change. The change order typically outlines the reason for the modification, the scope of work to be performed, any additional costs or time required, and the impact on the overall project schedule. It