Project Information

Bid Title

Professional Services for the Regional Wastewater Services Plan Update

Issuing Agency

King County

Location

Washington

Published Date

Oct 3, 2025

Closing Date

Oct 29, 2025

Government Level

State & Local

Status

Closed

Ref. #

KC001495

Original Source

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Bid Documents

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Project Description

	Abstract: A&E Solicitation KC001495,2
	Title Professional Services for the Regional Wastewater Services Plan Update Solicitation Type A&E Solicitation Status Active Buyer Debora Hall Email debhall@kingcounty.gov Synopsis The purpose of this contract is to provide engineering, strategic, planning, communications, engagement, and related services to King County Wastewater Treatment Division (“County”), leading to the development of an updated general sewer plan (“Regional Wastewater Services Plan Update” or “RWSP Update”). This effort will update the County’s existing sewer plan, the Regional Wastewater Services Plan (“RWSP”), which was developed in the late 1990s. Addendum Description Addendum 2 has been issued. Consultants must acknowledge all addenda before submitting a proposal. If a Consultant has already submitted a proposal, they must log into the E-Procurement Supplier Portal, acknowledge the addendum, and resubmit. Attachments KC001495-addendum-2.pdf (356.59 KB) KC001495-rfp-documents.zip (2.71 MB) KC001495-addendum-1.pdf (388.19 KB) Open Date 10/3/25 08:15:03 AM Close Date 10/29/25 12:00:59 PM Posting Date 10/3/25 Additional Information KC Solicitation NAICS Code(s) 541330 Small Business Requirements Apply? Yes Department NATURAL RESOURCES AND PARKS Division WASTEWATER TREATMENT
	O K

Commodity Codes

• NAICS 541330Engineering Services
• NAICS 541611Administrative Management and General Management Consulting Services
• NAICS 541620Environmental Consulting Services
• NAICS 541990All Other Professional, Scientific, and Technical Services
• NAICS 611430Professional and Management Development Training

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