What is a change order and how is it processed?

A change order is a formal modification to the construction contract changing scope, cost, or time. Causes include design errors, unforeseen conditions, owner requests, or code changes. Process: identify change, prepare detailed description, estimate cost and time impact, submit Request for Change (RFC), negotiate with owner/contractor, execute change order documenting agreed adjustments. Proper documentation essential for payment and claims. Change orders impact budget and schedule, requiring careful management.