Sub-regional operating group - 91ST avenue wastewater treatment plant aeration rehabilitation - engineering services

The City of Phoenix is requesting qualifications for engineering services on the 91st Avenue Wastewater Treatment Plant Aeration Rehabilitation project, with statements of qualifications due October 16, 2026 at 12:00 p.m. Phoenix time, and a pre-submittal meeting scheduled for October 5, 2026 at 11:00 a.m. at City Hall or via Microsoft Teams. The selection process is qualifications-based with no formal interviews; the City will select between three and five teams for negotiation of fees and contract terms.

The scope encompasses design and construction administration and inspection services for rehabilitation or replacement of aeration facilities and equipment at the Sub-Regional Operating Group's plant located at 5615 S 91st Avenue, Tolleson, Arizona. Work includes engineering analyses, design, permitting, programming, and construction administration spanning multiple fiscal years with separate construction, equipment procurement, and installation packages.

Evaluation criteria total 1,021 points: design experience of the prime firm (125 points), construction administration and inspection experience of the prime firm (125 points), design experience of key personnel and subconsultants (125 points), construction administration and inspection experience of key personnel and subconsultants (125 points), project understanding and approach (350 points), staffing information for key personnel (150 points), and reference checks (21 points, scored from three submitted references at up to 7 points each). Statements of qualifications are limited to 12 pages in PDF format and must be submitted through the City's Procurement Portal; firms must register as vendors in the City's Vendor Management System and include their vendor number on the cover. Reference evaluations must be submitted separately to soq.referencechecks@phoenix.gov by the same deadline. Selection notification is anticipated for early November 2026, with a scope meeting scheduled for mid-November. Proposers are prohibited from direct contact with City employees involved in the selection process; violation results in disqualification.