This Solicitation opportunity from Washington was posted on March 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Phased CSO Program Management, Construction Management, & Owner’s Advisor

Closed

25-232-SState & Local

Submission Closed04/21/2026, 08:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541330

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AI Contract Overview

The City of Seattle, through Seattle Public Utilities, is soliciting proposals for the "Phased CSO Program Management, Construction Management, & Owner’s Advisor" project. Interested parties must submit their proposals by 8:00 PM on April 21, 2026. Questions regarding the solicitation must be submitted via the designated e-procurement portal by the specified deadline to ensure they are addressed appropriately. The solicitation is publicly available on the city's procurement website, providing access to relevant documents and information. The contract focuses on phased management services related to the Combined Sewer Overflow (CSO) program, including program management, construction oversight, and advisory roles on behalf of the owner. The solicitation number for reference is 25-232-S, and the associated agency office is located in Seattle, Washington. The primary contact for this solicitation is Sherry Shaffer, SPU Contracts and Procurement Advisor, who can be reached by email or phone for further clarifications. This opportunity targets organizations experienced in managing large-scale public utilities construction and management programs.

General Info

Seattle seeks proposals by April 21, 2026, for phased CSO program management and advisory services.

Agency

Washington → Seattle Public Utilities

NAICS

541330 - Engineering Services

Place of Performance

WA, USA

Set-Aside

NONE

Documents

Attachment 5 - WMBE Inclusion Plan for Consultant Contracts

wmbe-inclusion-plan

High

City of Seattle Consultant Questionnaire - Federal Funding

consultant-questionnaire

High

Consultant Agreement Template - City of Seattle SPU

contract-document

High

Contract 25-232-S Insurance Requirements Attachment

insurance-requirements

High

Montlake-Portage Bay CSO Area Characterization Report

characterization-report

High

RFP 25-232-S Phased CSO Program Management Consultant Contract

rfp

High

RFP 25-232-S Phased CSO Program Management Consultant Contract

rfp

High

RM CSO Area Characterization - South Magnolia Draft Final

area-characterization-report

High

RM_LTCP-Vol1 Executive Summary 2015

executive-summary

High

RM_LTCP-Vol3 Integrated Plan and Appendices 2015

integrated-plan

High

RM_SCWQP Program Controls Process Guide 20191007

process-guide

High

SCWQP Cost Estimating Guidelines Memorandum Rev 1

guidelines-memorandum

High

SCWQP Cost Management Strategy Memorandum June 2021

cost-management-strategy

High

SCWQP Quality Management Plan Revision D January 17, 2025

quality-management-plan

High

Ship Canal Water Quality Project Document Management Plan Rev 10.0 Sept 2025

program-execution-plan-component

High

Ship Canal Water Quality Project Execution Plan C314056 April 2017

project-execution-plan

High

Attachment 3 - Seattle Ethics Code Brochure

other

Low

Ballard CSO Area Characterization Report

other

Low

Consultant Outreach Meeting Notes for CSO Program Management - Dec 15, 2025

other

Low

Duwamish Subbasin 111H CSO Area Characterization Draft Final

characterization-report

Low

Genesee CSO Area Characterization Report Draft

area-characterization-report

Low

Henderson CSO Area Characterization Report Draft

report

Low

Interbay CSO Area Characterization Report Draft

other

Low

Leschi CSO Area Characterization Report Draft

report

Low

Long-Term Control Plan Update Roadmap - FINAL

other

Low

North Union Bay CSO Area Characterization Report

report

Low

RM_CSO_Consultant_Marketing_Event_Sign_In_20251215

sign-in-sheet

Low

RM_LTCP-Vol4-Programmatic_EIS_Draft_and_Addendum_2014 - Final Programmatic Environmental Impact Statement

environmental-impact-statement

Low

SPU CSO Program Management Consultant Outreach Event Presentation

industry-day

Low

West Seattle CSO Area Characterization Report

report

Low

Windermere CSO Area Characterization Report Draft

other

Low

RM_LTCP-Vol2_Final_Report_2015.pdf

RM_Vine_CSO_Engineering_Report_Update_Compiled_11.25.25.pdf

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedMar 17

Solicitation

Response DeadlineApr 21

Deadline has passed

Submission Closed

04/21/2026, 08:00:00 PM UTC

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Organization & Contact Information

AgencyWashington → Seattle Public Utilities

Contacts1 person available

OfficeSeattle, WA, 98104, USA

Organization / AgencyWashington → Seattle Public Utilities

Office AddressSeattle, WA, 98104, USA

Contacts

Sherry ShafferSPU Contracts & Procurement Advisor

contact@example.gov

+1 (555) 000-0000

Interested Companies (52)

NiromanOLympia, WA

ProDimsKirkland, WA

StantecAtlanta, GA

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Full Description

The City of Seattle is seeking proposals for Project Title . Proposals are due no later than Response Submission Time on Response Submission Date . All questions are to be submitted through the e-procurement portal at https://procurement.opengov.com/portal/seattle no later than Question Submission Time on Question Submission Date .