Professional Services for the Regional Wastewater Services Plan Update

Location:	Washington
Posted:	Oct 3, 2025
Due:	Oct 29, 2025
Agency:	King County
Type of Government:	State & Local
Category:	99 - Miscellaneous C - Architect and Engineering Services - Construction
Solicitation No:	KC001495
Publication URL:	To access bid details, please log in.

Abstract: A&E Solicitation KC001495,2

Title

Solicitation Type

A&E Solicitation

Status

Active

Buyer

Debora Hall

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

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Professional Services for the Regional Wastewater Services Plan Update

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