If the Construction Manager submits a bid, then the Construction Manager must submit the bid to the Tarrant County Purchasing Department Contracts. The purpose of this Process is to provide an overview of the change order procedures.The Development Services - Contract Management Office is responsible for the oversight and integrity of the contracting process for development projects. Master construction contract management. Learn the essentials: from its objectives and process to the role of a contract manager, and more. The following project narratives are to assist you in responding to the Request for. Qualifications. Contract Management Office. Contract Management Office is responsible for the oversight and integrity of the contracting process for development projects. TxDOT has two forms of project procurement available. Binders, all written warranties or guarantees specified in the Construction Contract.