Contractor Mistakenly Signs Modification Without Negotiating Increased Costs and Fails to Demonstrate Entitlement Using Questionable Documents, ASBCA No. 60813, Arab Shah Construction Company

Appeal challenging the government’s denial of a claim for additional costs related to a contract modification is denied, where the contractor signed the modification without negotiating its increased costs, and where the changes clause precluded equitable adjustments after the government issues final payment.