What is the budget for this RFP?

Settle estimates the budget at $250,000 – $500,000. The issuer has not published an official figure.

It was issued by King County. The work is located in Washington, United States.

Dye-Dilution Testing Services | Settle RFP Hunter

Overview

Environmental, Water & Energy

Washington, United StatesPosted: October 9, 2026

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SUMMARY

King County is seeking a consultant to establish and implement a comprehensive dye-dilution testing program to calibrate sewer flow meters and improve flow data quality.

KEY REQUIREMENTS

Must perform at least 100 separate successful dye dilution wastewater flowmeter tests within the last five years
At least 50 of the required tests must have been performed on meters detecting average flow rates ranging from 0.10 MGD to 60 MGD
Must use a dye testing method that conforms to recognized dye dilution standards
Project Manager must be an employee of the prime consultant
Must comply with King County Ordinance 19925 regarding historic compliance with environmental, worker safety, and labor and human trafficking laws for contracts valued at $100,000 or more
Must comply with King County Ordinance 14823 regarding equal benefits for employees with spouses and domestic partners for contracts valued at $25,000 or more
Must meet the 5% Small Contractor and Supplier (SCS) participation goal

BUDGET

Estimate

$250,000 – $500,000

CONTRACT DURATION

60 months

TIMELINE

Execute Contract: December 2026

Complete Phase 1: December 2027

Complete Phase 2: December 2030

QUESTION DEADLINE

January 1, 2026

CONTACTS

Primary procurement contact — name, title, email, and phone

Additional decision-makers and their departments

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Issuing Agency

King County

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DESCRIPTION

King County Wastewater Treatment Division (WTD) is soliciting proposals for a consultant to support the establishment and implementation of a sustainable dye-dilution testing (DDT) program. The program aims to routinely calibrate area-velocity (A-V) flow meters to improve the accuracy of portable flow monitoring data for long-term planning, modeling, regulatory reporting, and operational decision-making. The contract work consists of two phases: Phase 1 (Program Initiation, 12 months) and Phase 2 (Ongoing Test Validation, 36 months). The contract term is through December 31, 2030, with a total term not to exceed five years.

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Frequently asked questions

What is the budget for this RFP?: Settle estimates the budget at $250,000 – $500,000. The issuer has not published an official figure.
Who issued this RFP?: It was issued by King County. The work is located in Washington, United States.

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