Sammamish Plateau Water, WA

RFQ - South Plateau Parallel Conveyance Interceptor - Consultant Design Services

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Agency

Sammamish Plateau Water

Department

Engineering

Solicitation #

c18009

Solicitation Type

Request for Qualifications

Category

Wastewater Consulting · Engineering Consulting · Water Treatment / Wastewater Design and Engineering

Performance State

WA

Posted

Thu, October 29, 2026

Response Deadline

Tue, November 24, 2026

Description

Sammamish Plateau Water and Sewer District (District) is seeking SOQs from consultants to provide design services for the construction of the South Parallel Conveyance Interceptor project. The project will install approximately 5,000 LF of 20-inch low pressure sewer main along the south side of SE 43rd Way extending from the Highland Creek Parallel sewer to the District’s Control Structure and will bypass the control structure to connect directly into existing regional conveyance infrastructure. This parallel sewer will provide redundancy and reduce high velocity flows by splitting the flow path as the District’s sanitary sewer flows increase in the future.

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