Claims / Construction contractor
What can a contractor claim when the client changes the scope?
Updated
First confirm the change is real. Compare the instruction with the original drawings and specification. Work already in the price is not extra.
How it flows
Price the direct cost: labour, materials, plant and subcontractors. Add overheads and margin if the contract allows.
Check the effect on time. A change that touches the critical path may earn an extension and time related costs. A change with float may not.
Give notice promptly and keep the instruction in writing. If it was verbal, confirm it by email the same day.
When the client changes the scope, a contractor can claim the cost of the changed work, extra time if the finish moves, and often the delay costs that follow.
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