Project Information

Bid Title

Phased Pumping Plant Corrosion Mitigation

Issuing Agency

City of Seattle

Location

Washington

Published Date

May 12, 2025

Closing Date

Jun 9, 2025

Government Level

State & Local

Status

Closed

Ref. #

24-246-S

Original Source

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Bid Documents

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Project Description

Project ID: 24-246-S

Title: Phased Pumping Plant Corrosion Mitigation

Addenda: 0

Release Date: 5/12/2025

Due Date: 6/9/2025

Post Information

Posted At:Mon, May 12, 2025 8:00 AMSealed Bid Process:NoPrivate Bid:No

Overview

Summary

The City of Seattle is seeking qualifications for Phased Pumping Plant Corrosion Mitigation . Qualifications are due no later than 1:00 pm on Monday, June 9, 2025 . All questions are to be submitted through the e-procurement portal at https://procurement.opengov.com/portal/seattle no later than 5:00 pm on Wednesday, May 21, 2025 .

Background

Seattle Public Utilities is seeking a consultant to address corrosion on Morse Lake Pumping Plant (MLPP) and Pumping Plant 2 (PP2) that will include determining the cause of the corrosion, analyses to predict the remaining structural life of key components of these facilities and implementing recommendations to mitigate or prevent this corrosion. MLPP and PP2, together with their ancillary facilities including mooring piles, discharge pipes, and electrical power connection piers, collectively, make up the Chester Morse Reservoir floating pumping station system (pumping system). SPU relies on this system as its sole way of providing water for people and the aquatic species of the Cedar River when water levels in Chester Morse Reservoir recede too low to flow by gravity into the Cedar River. SPU performed dive inspections in 2023 and 2024 to assess the conditions of several components of the system. That inspection’s findings revealed that corrosion had progressed on several components of the system at a substantially more rapid rate than had been assumed in design life estimates.

Timeline

Solicitation Release:

May 12, 2025

Pre-Submittal Conference (Non-Mandatory):

May 16, 2025, 11:00am

Microsoft Teams

https://teams.microsoft.com/l/meetup-join/19%3ameeting_YTk1MTdmMTYtOTRhZi00ZDc1LThlZmQtMGYxYjU1NTJmODBi%40thread.v2/0?context=%7b%22Tid%22%3a%2278e61e45-6beb-4009-8f99-359d8b54f41b%22%2c%22Oid%22%3a%22121dc13c-da68-47c3-b850-703d10817830%22%7d

Meeting ID: 244 074 523 367 6
Passcode: xR63w7FM

Dial in by phone
+1 206-686-8357,,518142674# United States, Seattle
Phone conference ID: 518 142 674#

Deadline for Questions:

May 21, 2025, 5:00pm

Response Submission Deadline:

June 9, 2025, 1:00pm

Interviews if Conducted (estimated):

Week of 7/21/25

Commodity Codes

• NAICS 237110Water and Sewer Line and Related Structures Construction

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