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Indefinite Delivery/Indefinite Quantity Contracting Practices

This synthesis examines practices related to the use of Indefinite Delivery/Indefinite Quantity (IDIQ) contracting by transportation agencies for highway design, construction, and maintenance contracts. IDIQ allows for the delivery of services or products that are not known at the time the contract is executed. Sometimes called job order, push-button, on-call, stand-by, or master contracts, IDIQ provides a public agency with a great deal of flexibility to use the IDIQ contractor as much or as little as needed, depending on the requirements of the agency and the availability of funds.

Information used in this study was gathered through a literature review, an analysis of IDIQ procurement documents from state departments of transportation, agency policy and procedure manuals, and follow-up interviews for examples.

Douglas D. Gransberg and Jorge A. Rueda Benavides, Iowa State University, Ames, Iowa, and Michael C. Loulakis, Capital Project Strategies, LLC, Reston, Virginia, collected and synthesized the information and wrote the report. The members of the topic panel are acknowledged on the preceding page. This synthesis is an immediately useful document that records the practices that were acceptable within the limitations of the knowledge available at the time of its preparation. As progress in research and practice continues, new knowledge will be added to that now at hand.

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