On-Call Environmental Science Services

Location: Washington
Posted: Mar 10, 2026
Due: Apr 3, 2026
Agency: City of Seattle
Type of Government: State & Local
Category:
  • B - Special Studies and Analyses - Not R&D
  • F - Natural Resources and Conservation Services
  • R - Professional, Administrative and Management Support Services
  • V - Transportation, Travel and Relocation Services
Solicitation No: 26-031-S
Publication URL: To access bid details, please log in.


Project ID: 26-031-S

Title: On-Call Environmental Science Services

Addenda: 0

Release Date: 3/10/2026

Due Date: 4/3/2026

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On-Call Environmental Science Services
Request For Qualification
Seattle Public Utilities
Project ID: 26-031-S
Release Date: Tuesday, March 10, 2026
· Due Date: Friday, April 3, 2026 1:00pm
Posted Tuesday, March 10, 2026 8:00am
All dates & times in Pacific Time
Draft Response Events RSVP No Bid23 days, 18 hours, 55 minutes


Post Information

Posted At:Tue, Mar 10, 2026 8:00 AM
Sealed Bid Process:No
Private Bid:No
Overview


Summary

The City of Seattle is seeking qualifications for On-Call Environmental Science Services . Qualifications are due no later than 1:00 pm on Friday, April 3, 2026 . 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 Friday, March 20, 2026 .



Background

Seattle Public Utilities (SPU) is seeking qualified firms to provide on‑call professional environmental science services, including environmental field investigations, technical analyses, and recommendations that support preliminary engineering, design development, and construction phase compliance. The work enables SPU to identify, characterize, and manage subsurface contamination through coordinated environmental investigations, analytical evaluations, and construction phase oversight. It supports SPU in maintaining safe, compliant, and on-schedule delivery of infrastructure projects. SPU anticipates awarding one (1) on‑call contract with an estimated value of $750,000 - $1,000,000.



Timeline

Solicitation Release:
March 10, 2026
Pre-Submittal Conference (Non-Mandatory):
March 17, 2026, 10:00am
Microsoft Teams Meeting

https://teams.microsoft.com/meet/29928331985079?p=hhHJfCJUJyzi0lLt1y

Meeting ID: 299 283 319 850 79
Passcode: aw3Z9Kx3

Dial in by phone
+1 206-686-8357,,604764401# United States, Seattle
Find a local number
Phone conference ID: 604 764 401#
Deadline for Questions:
March 20, 2026, 5:00pm
Response Submission Deadline:
April 3, 2026, 1:00pm
Interviews if Conducted (estimated):
Week of 4/27/26
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See also

...as a Request for Quotation (RFQ) for mitigating contamination issues with a persistent ...

AGRICULTURE, DEPARTMENT OF

Bid Due: 6/10/2026

* Disclaimer: Information regarding bids, requests for proposals (RFPs), or requests for qualifications (RFQs) is provided on this website only for convenience and does not constitute official public notice. Persons wishing to respond to or inquire about bids, RFPs, or RFQs should contact the appropriate government department.