Union Hills Water Treatment Plant - Finished Water Improvements - Construction Manager At Risk

Background
The City of Phoenix is seeking qualifications for the Union Hills Water Treatment Plant - Finished Water Improvements project. This initiative aims to enhance the long-term operational and drought resiliency of finished water operations at the plant. It includes the construction of a new 20 Million Gallon (MG) reservoir and the rehabilitation of an existing 40 MG reservoir. The selected contractor will work closely with city staff and the designer to ensure an efficient design approach.

Work Details
The contractor will provide preconstruction and construction services under a Construction Manager At Risk (CMAR) model. Key tasks include:

- Constructing a new 20 MG concrete reservoir
- Rehabilitating the existing 40 MG reservoir
- Reconstructing and improving raw water impoundment
- Site improvements such as grading, drainage, utility design, and enhancing access and circulation for new facilities.

Preconstruction services may involve cost estimating, project planning, scheduling, constructability studies, procurement assistance, and local Small Business Enterprise (SBE) participation goals. Construction phase responsibilities include managing site operations, selecting subcontractors, preparing Guaranteed Maximum Price (GMP) proposals, ensuring quality control, addressing permitting requirements, maintaining safety on-site, and coordinating with various city departments.

Period of Performance
The contract is expected to commence upon selection and negotiation completion in early 2026 and will continue until project completion.

Place of Performance
The work will be performed at the Union Hills Water Treatment Plant located in Phoenix, Arizona.

Bidder Requirements
Firms must be registered in the City’s Vendor Management System prior to submitting a proposal. Only firms whose physical business is located within Maricopa County are eligible to meet the SBE subcontracting goal. Additionally, contractors must hold appropriate Arizona licenses as required by law.