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February 2024



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On-Call Engineering Services; SPU RFP/Contract# 23-224-S

Original Date Posted: February 7, 2024 8:00 am

Due Date:

1:00 PM Pacific Time on March 1, 2024

Request for Proposals (RFP) for
On-Call Engineering Services
SPU RFP/Contract# 23-224-S

The City of Seattle Public Utilities (SPU) is requesting proposals from qualified consultants to support and supplement the work of the SPU Capital Improvement Project (CIP) Design Section (CIP Design) in providing engineering services for project delivery and project support across the Drainage and Wastewater Line of Business, Water Line of Business, and Solid Waste Line of Business. The consultant team will assist CIP Design in meeting work demands by supplementing technical skill sets and/or provide capacity for in-house design work.

SPU will procure one or more On-Call Contracts for consultant teams to provide engineering design support primarily for options analysis, design, and construction. The combined total estimated contract amount will be $4.5 million for all work assigned under this contract.

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

The deadline for submitting responses is 1:00 PM Pacific Time on March 1, 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 February 14, 2024 from 2:00 PM to 2:45 PM Pacific Time, via MS Teams Meeting ID: 246 872 431 723, meeting passcode: 9JZzUf at URL:

Or join by phone at: +1-206-686-8357; Phone Conference ID: 493 770 86#. 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 to Sherry Shaffer, To facilitate preparation of responses to questions, please submit questions by no later than 5:00 PM Pacific Time on February 20, 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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