ADOT Construction Projects

This section discusses various aspects of construction project bidding opportunities.

Funding Sources

ADOT projects get funds from various sources, and sometimes a funding sources adds additional requirements to both bidding and completing contracts. These requirements are generally explained in each solicitation or contract advertisement. The most frequent funding sources are

  • the Federal Highway Administration (FHWA).
  • the Federal Transit Administration (FTA).
  • the Federal Aviation Administration (FAA).
  • the State of Arizona.
  • local governments (e.g., the City of Phoenix).

Contract Types

Design-bid-build is the typical path for most ADOT construction projects. In design-bid-build projects, ADOT or a consulting engineer first designs the project, then solicits bids and selects a construction firm (the lowest responsible bidder) to build it. A number of different paths for ADOT construction have been gaining popularity in recent years, called alternative delivery methods. Here are the three most common:

Design-Build (DB) — Design-build is a project delivery method that combines two, usually separate services into a single contract. With design-build procurements, owners execute a single, fixed-fee contract for both architectural/engineering services and construction. The design-build entity may be a single firm, a consortium, joint venture or other organization assembled for a particular project (FHWA 2014). Review this post on the ADOT website for more information.

Construction Manager at Risk (CMAR) — The Construction Manager at Risk (CMAR) project delivery method allows an owner to engage a construction manager during the design process to provide constructability input. The construction manager is generally selected based on qualifications, past experience or a best-value basis. During the design phase, the construction manager provides input regarding scheduling, pricing, phasing and other project components that helps the owner design a more constructible project. At an average of 60 percent to 90 percent design completion, the owner and the construction manager negotiate a guaranteed maximum price for the construction of the project based on the defined scope and schedule. If this price is acceptable to both parties, they execute a contract for construction services, and the construction manager becomes the general contractor. The CMAR delivery method is also called the Construction Manager/General Contractor (CMGC) method in some states (FHWA 2014). See this document put together by Campbell County, Wyoming and this post from ADOT for more details.

Public-Private Partnerships (P3) — Public-private partnerships (P3s) are contractual agreements formed between a public agency and a private sector entity that allow for greater private sector participation in the delivery and financing of public facilities (FHWA 2014). To learn more about them, visit the ADOT website.

ADOT Construction Contract Department and Staff Contacts

ADOT construction contracts are developed by the Contracts and Specifications Section. The Contracts and Specifications section oversees the development, bidding, and awarding of construction contracts before handing them off to Resident Engineers or Construction Supervisors in the relevant ADOT Construction District to be carried out. Contracts and Specifications can be reached at 602.712.7221.

It’s important to know that, once a contract has been advertised, any questions about that project must be submitted in writing to the contract specialist assigned to that contract. For questions about specific advertised projects, you can find the necessary contact information within the advertisement.

Construction Bidding Opportunities

Information about construction projects currently available for bid is available on the Current Advertisements page of the ADOT website. This page includes all of the information you need to bid on current projects. While the page can be viewed by anyone, ADOT requires prime contractors to prequalify before submitting a bid on a construction contract. See the construction Preparing to Bid guide for more information on construction prequalification. You can also register for updates, download project information and register as a Prime, Sub, or Subcontractor/Vendor for specific projects at this site.

Businesses working as subcontractors can use the same Current Advertisements page to identify companies that are plan holders for contracts out for bid.  Potential subcontractors should contact these prime contractors to inquire about submitting bids for these contracts.

Projects making use of an alternative delivery path such as a public-private partnership project can be found in the Contracts and Specifications section of the ADOT website under Advertised Alternate Delivery Projects.

Businesses can also learn about which firms are prequalified with ADOT by checking the prequalified contractors list on the ADOT website.

You can learn about upcoming projects in the Contracts and Specifications section of ADOT’s website under Future Projects.

Many, though not all, projects allow for online bid submission. BidExpress is the platform ADOT uses for online bidding. Having an account at BidExpress may allow you to receive emails about current and upcoming project that may interest you. Note that BidExpress is not a free service — it includes both a one-time fee for creating an account and a monthly fee to continue using their service to develop your bid and submit it online.


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