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August 2023



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CLOSED-On-Call RainCity Engineering & Inspection Support; SPU RFP/Contract# 23-077-S

Original Date Posted: August 18, 2023 8:00 am

Due Date:

The deadline for submitting responses is 2:00 PM Pacific Time on 9/15/2023



Request for Proposals (RFP) for

On-Call RainCity Engineering & Inspection Support

SPU RFP/Contract# 23-077-S

Seattle Public Utilities (SPU is requesting qualifications from qualified consultant teams to provide on-call Green Stormwater Infrastructure (GSI) project quality management services. Desired expertise includes experience and knowledge of quality management practices; regulatory or quality assurance inspections; GSI design and GSI construction materials and methods; ability to maintain field and office records; ability to perform complex quantity and engineering computations; ability to read and interpret plans and specifications; and ability to deal effectively with people. Experience with riparian restoration would be a plus for RainCity Projects. The Consultant Teams will support two SPU programs, the RainCity Partnerships Program, and the RainWise Program.

SPU will select one (1) or more Consultant Teams to provide project quality management services for these programs. The total estimated value of all contracts is $2,500,000. Each executed contract will be a multi-year On-Call contract; therefore, a specific deliverable schedule is not known at this time. Annual work assignments will be developed iteratively over the course of each contract term with varying dates for milestones and deliverables depending on each Work Assignment’s scope. Each contract will be executed for a period of three (3) years, with the option to extend for an additional three (3) years.  

Interested consultants are encouraged to review the solicitation, background documents, and any addenda online at

The deadline for submitting responses is 2:00 PM Pacific Time on 9/15/2023, electronic submittals are to be uploaded to the City’s Procurement Portal:

SPU PRE-SUBMITTAL CONFERENCE:  An optional pre-submittal conference will be held on 8/24/2023 from 1:00 PM to 2:00 PM Pacific Time, via MS Teams Meeting ID: 214 099 715 584, meeting passcode: 3swVLe at URL:

Or join by phone at: +1-206-686-8357; Phone Conference ID: 600 064 878#. SPU will review the scope of work, consultant expectations, and answer questions from the prospective bidders. Although attendance at this meeting is not mandatory, attendance is highly encouraged.

Proposers may submit questions to the procurement portal (Bonfire) under the Vendor Discussions section. The City strongly prefers that consultants submit questions in Bonfire but will accept questions submitted to the Contract Administrator in email format, as well. Questions shall be directed to Sherry Shaffer, Contract Administrator & SPU’s designated contact person, at To facilitate preparation of responses to questions, please submit questions by no later than 5:00 PM Pacific Time on 8/29/2023. All responses to questions will be posted at under the Public Notices Section in the respective procurement opportunity. Consultant selection for this solicitation will be subject to all applicable laws and ordinances. The participation of women- and minority-owned firms is a high priority cultural value of the City of Seattle and is strongly encouraged at all tiers.

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