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January 2024



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CLOSED-Phased Crown Hill GSI Services; SPU RFP/Contract# 23-196-S

Original Date Posted: January 4, 2024 7:52 am

Due Date:

1:00 PM Pacific Time on January 26, 2024

Request for Proposals (RFP) for
Phased Crown Hill GSI Services
SPU RFP/Contract# 23-196-S

The City of Seattle Public Utilities (SPU) is requesting proposals from qualified consultants to provide expertise in professional design and other project delivery support services for the Crown Hill GSI: Drainage & Wastewater System Improvements project (“the Project”). SPU plans to execute a phased consulting services contract (“the Contract”) for an estimated fee of $2.5M – $3.5M. The services that will comprise the Contract include civil engineering, technical drawing, landscape architecture, urban design, cost estimating, permitting support, project management, and community outreach and engagement support. Consultant services are expected to include stormwater management design (including green and gray infrastructure), hydraulic and hydrologic modeling, streetscape design, hydrogeologic engineering, landscape architecture, community engagement, structural engineering, environmental engineering, GIS Design, Underground Injection Control (UIC) well design, trenchless pipe design. Specifically excluded from the scope of the Contract are professional land surveying and geotechnical engineering services, which SPU will self-perform. In addition, SPU expects that the Consultant’s work will adhere to SPU’s NDS General Design Guidance.

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

The deadline for submitting responses is 1:00 PM Pacific Time on January 26, 2024, 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 January 11, 2024 from 2:00 PM to 3:00 PM Pacific Time, via MS Teams Meeting ID: 274 811 344 128, meeting passcode: WUxSxn at URL:

Or join by phone at: 206-686-8357; Phone Conference ID: 976 052 554#. 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 January 16, 2024. 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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