Project Information

Bid Title

Landfill Gas Management Services RFP - Reissued

Issuing Agency

County of Cowlitz

Location

Washington

Published Date

Dec 31, 2025

Closing Date

Jan 29, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Bid Title:	Landfill Gas Management Services RFP - Reissued
Category:	Public Works
Status:	Open

Description: Cowlitz County is seeking proposals for the provision of Landfill Gas Management Services at the Cowlitz County Headquarters Landfill and the closed Cowlitz County Tennant Way Landfill.  Service provided will include, but not be limited to, landfill gas compliance testing and reporting, gas collection and control system (GCCS) adjustments and troubleshooting.  Cowlitz County requires the Contractor to be committed to maintaining the highest professional standards.  To this end, adherence to the terms and conditions of the Request for Proposal and associated documents are required. Publication Date/Time: 10/30/2025 3:00 pm Closing Date/Time: 1/29/2026 3:00 pm Related Documents: RFP Landfill Gas Management Services Landfill Gas Management Services RFP - Posting R1

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Request for Proposals (RFP):

Landfill Gas Management Services

RFP No. 2025-0060-01

ISSUE DATE: December 30, 2025

Note: If you have downloaded this Request for Proposals from the County website located at

http://www.co.cowlitz.wa.us/bids.aspx, you are responsible for sending your name, address, e-

mail address, and telephone number to the RFP Coordinator to receive additional communication

regarding this solicitation, including addenda.

PROPOSAL DUE DATE: January 29, 2026, prior to 3:00 PM. Pacific Standard Time or Pacific

Daylight Time, Kelso, Washington, USA.

PROPOSAL SUBMISSION: Faxed or emailed proposals will not be accepted. Proposals may be

submitted via mail or in person to:

Cowlitz County Department of Public Works

Attn: Roger Maurer

Landfill Gas Management Services #2025-0060-01

1600 13th Avenue South

Kelso, WA 98626

ESTIMATED TIME PERIOD FOR CONTRACT: April 1, 2026 – December 31, 2028. The County

reserves the right to extend the contract for up to two (2) additional one-year periods at the sole

discretion of the County.

CONTRACTOR ELIGIBILITY: This procurement is open to those contractors that satisfy the

minimum qualifications stated herein and that are available for work in Washington State.

RFP COORDINATOR: Roger Maurer

MaurerR@cowlitzwa.gov

(360) 577-3030 x6530

Table of Contents

PURPOSE AND OBJECTIVES .................................................................................................. 3

SCOPE OF WORK .................................................................................................................. 3

MINIMUM QUALIFICATIONS................................................................................................ 4

PRE-PROPOSAL CONFERENCE .............................................................................................. 4

PERIOD OF PERFORMANCE.................................................................................................. 4

PRICING ................................................................................................................................ 4

CONTRACTING WITH FORMER WASHINGTON PUBLIC EMPLOYEES ................................... 5

DEFINITIONS......................................................................................................................... 5

AMERICANS WITH DISABILITIES ACT (ADA) INFORMATION ................................................ 5

TITLE VI STATEMENT ............................................................................................................ 5

RFP COORDINATOR.............................................................................................................. 6

ESTIMATED SCHEDULE OF PROCUREMENT ACTIVITIES ...................................................... 6

SUBMISSION OF PROPOSALS ............................................................................................... 6

PROPRIETARY INFORMATION/PUBLIC DISCLOSURE............................................................ 7

REVISIONS TO THE RFP ........................................................................................................ 8

MINORITY & WOMEN-OWNED BUSINESS PARTICIPATION ................................................. 8

ACCEPTANCE PERIOD........................................................................................................... 8

RESPONSIVENESS ................................................................................................................. 8

MOST FAVORABLE TERMS ................................................................................................... 8

CONTRACT AND GENERAL TERMS & CONDITIONS.............................................................. 8

COSTS TO PROPOSE ............................................................................................................. 9

NO OBLIGATION TO CONTRACT........................................................................................... 9

REJECTION OF PROPOSALS .................................................................................................. 9

COMMITMENT OF FUNDS ................................................................................................... 9

ELECTRONIC PAYMENT ........................................................................................................ 9

INSURANCE COVERAGE ....................................................................................................... 9

HARD COPY REQUIREMENTS ............................................................................................. 12

COVER LETTER.................................................................................................................... 12

QUALIFICATIONS ................................................................................................................ 13

STAFFING............................................................................................................................ 13

FEE SCHEDULE.................................................................................................................... 13

REFERENCES ....................................................................................................................... 13

EVALUATION PROCEDURE ................................................................................................. 14

EVALUATION WEIGHTING AND SCORING.......................................................................... 14

ORAL PRESENTATIONS/ PRODUCT DEMONSTRATIONS (MAY BE REQUIRED) .................. 14

NOTIFICATION TO PROPOSERS .......................................................................................... 15

DEBRIEFING OF UNSUCCESSFUL PROPOSERS.................................................................... 15

PROTEST PROCEDURE ........................................................................................................ 15

EXHIBIT A – CERTIFICATIONS AND ASSURANCES............................................................... 17

EXHIBIT B – SAMPLE PERSONAL SERVICES AGREEMENT................................................... 18

INTRODUCTION

PURPOSE AND OBJECTIVES

Cowlitz County, hereafter called "County,” is seeking proposals for the provision of Landfill Gas

Management Services at the Cowlitz County Headquarters Landfill and the closed Cowlitz County

Tennant Way Landfill. Service provided will include, but not be limited to, landfill gas compliance

testing and reporting, gas collection and control system (GCCS) adjustments and troubleshooting.

Cowlitz County requires the Contractor to be committed to maintaining the highest professional

standards. To this end, adherence to the terms and conditions of the Request for Proposal and

associated documents are required.

The County intends to award one contract to provide the services described in this RFP.

SCOPE OF WORK

The task order process will consist of the County contacting and requesting services for a specific

project. The consultant will then develop a detailed scope and budget for each request. When

the scope and budget is agreed upon a task order will be issued that includes the budget and

date of delivery. Any changes to the cost, scope of work or schedule must be agreed upon by

the Consultant and the County in writing.

The consultant will provide all management, materials, equipment, labor and other items

necessary to provide various testing services for permit compliance of the County owned landfills

as needed. The quantity and duration of testing services will depend on the County’s

requirements and needs for these services.

The services to be provided include but are not limited to, any or all of the following:

1) Project Management and Coordination

a) Provide a designated Project Manager for the duration of any task order.

b) Scheduling and coordination of Services to meet reporting frequencies and

deadlines.

c) Provide test reports for inclusion into the project files.

d) Provide final reports to the County.

2) Landfill Gas Monitoring and Reporting

a) The Consultant shall prepare and submit required reporting for regulatory

agencies including but not limited to EHU, SWCAA, DOE and EPA.

b) The Consultant shall support electronic report submittals to various platforms

including but not limited to EGGRT, EPA, CDX, SAW.

3) Gas Collection and Control System Adjustments and Troubleshooting

a) The Consultant shall evaluate monitoring information and provide input and

oversight for gas management.

b) The Consultant shall manage and troubleshoot SCADA system.

4) Billing

a) The Consultant will bill Cowlitz County Public Works, 1600 13th Ave S, Kelso, WA

98626 monthly for any work performed in the calendar month, not later than 14

Cowlitz County Request for Proposals # 2025-0060-01

Page 3 of 24

days after the end of the billing month.

b) Billing must be calculated in strict accordance with the pricing provided by the

Consultant.

MINIMUM QUALIFICATIONS

All firms submitting proposals under this RFP shall demonstrate the knowledge, skills, and

experience necessary to meet or exceed the following minimum requirements:

1. Must be registered to conduct business in Washington State;

2. Must be bonded and insured;

3. Must provide all personnel, mobile equipment, transportation, supplies, tools, and

materials necessary to successfully perform the services detailed in this RFP in

accordance with all national, state and/or local rules that apply;

4. Must obtain and maintain the required materials, equipment, and resources

necessary to perform the services outlined in the Scope of Work. The Proposer shall

be directly responsible for completion of no less than 35% of the work to be

performed.

PRE-PROPOSAL CONFERENCE

There will be NO pre-proposal conference held for this RFP. Contractors wishing to tour the

facilities prior to the proposal due date may make arrangements by contacting the RFP

Coordinator.

The County will be bound only to the County’s written answers to questions. Questions arising at

a site tour or in subsequent communication with the RFP Coordinator will be documented and

answered in written form. A copy of the questions and answers will be sent to each prospective

Contractor that has made the RFP Coordinator aware of its interest in this procurement.

PERIOD OF PERFORMANCE

The period of performance of any contract resulting from this RFP is tentatively scheduled to begin

on or about April 1, 2026 and will end on December 31, 2028. Amendments extending the period

of performance, if any, shall be at the sole discretion of the County. The County reserves the right

to extend the contract for two (2) additional one-year periods.

PRICING

During the contract period, the stated price of the contract’s proposal may be adjusted based on

the Consumer Price Index (“CPI), as follows:

At the beginning of each contract extension, the prices shall be increased or decreased by the same

percentage as the percent change in the CPI for the twelve (12) months ending the preceding

January. “CPI” means Consumer Price Index, All Cities, Urban Workers and Clerical Workers, (CPI-

W), 1982=100, as published by the United States Department of Labor, Bureau of Labor Statistics

Cowlitz County Request for Proposals # 2025-0060-01

Page 4 of 24

(“CPI”). If the Bureau of Labor Statistics ceases to publish that index in its present form, the parties

shall substitute another index to reflect inflation in comparable terms.

CONTRACTING WITH FORMER WASHINGTON PUBLIC EMPLOYEES

Washington State Department of Retirement System reporting requirements apply to public

entities contracting with former Washington public employees pursuant to WAC 415-02-110, DRS

Email 13-011 and DRS Email 09-001. Proposers should familiarize themselves with these reporting

requirements to the County before submitting a proposal that includes former public employees.

Information regarding these requirements can be found on the WA Department of Retirement

System’s Independent Contractor Verification and State Retirement Status Reporting Form located

on the last page of this document.

DEFINITIONS

Definitions for the purposes of this RFP include:

Apparent Successful Contractor – The contractor selected as the entity to perform the anticipated

services, subject to completion of contract negotiations and execution of a written contract.

Contractor – Individual or company whose proposal has been accepted by the County and is

awarded a fully executed, written contract.

County – Cowlitz is the County in the state of Washington that is issuing this RFP.

Proposal – A formal offer submitted in response to this solicitation.

Proposer - Individual or company that submits a proposal in order to attain a contract with the

County.

Request for Proposals (RFP) – Formal procurement document in which a service or need is

identified but no specific method to achieve it has been chosen. The purpose of an RFP is to permit

the contractor community to suggest various approaches to meet the need at a given price.

AMERICANS WITH DISABILITIES ACT (ADA) INFORMATION

Cowlitz County in accordance with Section 504 of the Rehabilitation Act and the Americans with

Disabilities Act (ADA), commits to nondiscrimination on the basis of disability, in all of its programs

and activities. This material can be made available in an alternate format by emailing Cowlitz

County Department of Public Works at publicworks@co.cowlitz.wa.us or by calling 360-577-3030.

TITLE VI STATEMENT

Cowlitz County in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat.

252,42 U.S.C. 2000d to 2000d-4) and the Regulations, hereby notifies all bidders that will

affirmatively ensure that any contract entered into pursuant to this advertisement, disadvantaged

business enterprises will be afforded full and fair opportunity to submit bids in response to this

Cowlitz County Request for Proposals # 2025-0060-01

Page 5 of 24

Commodity Codes

• NAICS 541330Engineering Services
• NAICS 541611Administrative Management and General Management Consulting Services

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