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November 2023



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CLOSED-2026 Stormwater Code & Manual Update; SPU RFP/Contract #23-139-S

Original Date Posted: November 1, 2023 8:00 am

Due Date:

November 30, 2023, 1:00 PM Pacific Time



Request for Proposals (RFP) for 2026 Stormwater Code & Manual Update

SPU RFP/Contract# 23-139-S

The City of Seattle Public Utilities (SPU) is requesting proposals from qualified multi-disciplinary consultant teams. The selected consultant will assist SPU with the update of the Seattle Municipal Code, Subtitle VIII – Stormwater Code, Chapters 22.800 – 22.8081 (Stormwater Code) and the City of Seattle Stormwater Manual Directors’ Rule SPU DWW-200 / SDCI 10-2021 (Stormwater Manual). Additionally, the consultant will assist SPU in overall project coordination with other City departments, developing policies and policy recommendations and developing technical memorandums. 

The cost of this project is estimated in the range of $300,000 to $600,000, depending on the range of changes the City determines to make in the Stormwater Code and Manual.  The depth of the changes will be determined and scoped in Phase 1 of the Contract for completion in Phase 2. The performance by the Consultant is expected to be completed by December 31, 2026.

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

The deadline for submitting responses is 1:00PM Pacific Time on Thursday, November 30, 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 Wednesday, November 8, 2023 from 2:00PM to 3:00PM Pacific Time, via MS Teams Meeting ID: 271 663 259 005, meeting passcode: r62j9G at URL:

Or join by phone at: +1 206-686-8357,,288131047#   Phone Conference ID: 288 131 047#. 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 Jamie Cortez Contract Administrator & SPU’s designated contact person, at  To facilitate preparation of responses to questions, please submit questions by no later than 12:00PM Pacific Time on Tuesday, November 14, 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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