Public Works Department – Engineering
525 N Third Avenue
Pasco, WA 99301
Phone 509.544.4135
REQUEST FOR QUALIFICATIONS
Engineering Services for
WWTP Anaerobic Digester System Improvements
Project No. TBD
RESPONSE DUE: Thursday, March 26, 2026 at 11:00AM
March 2026
CITY OF PASCO, WASHINGTON
WWTP Anaerobic Digester System Improvements RFQ
TABLE OF CONTENTS
1 INFORMATION AND INSTRUCTIONS ..............................................................................................................3
1.1 INVITATION TO PROPOSE.......................................................................................................................3
1.2 INTENT OF THE CITY ...............................................................................................................................5
1.3 QUESTIONS...............................................................................................................................................5
1.4 SUBMISSION PROCEDURES...................................................................................................................5
1.5 LATE SUBMITTALS AND MODIFICATIONS.............................................................................................5
1.6 WITHDRAWAL OF SUBMITTALS .............................................................................................................5
1.7 CONDITIONS AFFECTING THE WORK ...................................................................................................6
1.8 RFQ CONTENTS .......................................................................................................................................6
1.9 CITY REPRESENTATIVES........................................................................................................................6
1.10 FORMAT OF SUBMITTALS .......................................................................................................................7
1.11 BASIS FOR SELECTION ...........................................................................................................................7
1.12 PROFESSIONAL SERVICES AGREEMENT.............................................................................................8
2 SCOPE OF WORK .............................................................................................................................................8
2.1 BACKGROUND ..........................................................................................................................................8
2.2 PURPOSE ..................................................................................................................................................9
2.3 SCOPE OF WORK .....................................................................................................................................9
2.4 CITY RESPONSIBILITIES....................................................................................................................... 10
3 SELECTION CRITERIA................................................................................................................................... 10
3.1 SUBMITTAL REQUIREMENTS .............................................................................................................. 10
3.2 CONSULTANT QUALIFICATIONS ......................................................................................................... 11
3.3 INTERVIEW PROCESS .......................................................................................................................... 12
APPENDIX A: PROFESSIONAL SERVICES AGREEMENT
Page 2 of 12
1 INFORMATION AND INSTRUCTIONS
CITY OF PASCO, WASHINGTON
WWTP Anaerobic Digester System Improvements RFQ
1.1 INVITATION TO PROPOSE
The City of Pasco is soliciting Statements of Qualifications from qualified consulting engineering firms to provide
professional services for the evaluation, design, and preparation of construction documents for improvements to
the City’s anaerobic digester gas storage and gas handling systems at the City’s Wastewater Treatment Plant
(Facility).
The selected consultant will assist the city in developing a comprehensive project to address aging and beyond
useful life equipment, including digester cleaning, valve replacement, gas system upgrades, and replacement of
the digester gas storage membrane (Dyster membrane or equivalent system).
Responses shall be submitted electronically via e-mail only. One electronic copy, including attachments, shall be
transmitted to Dustin Wittman at wittmand@pasco-wa.gov. E-mail Subject shall be: WWTP Anaerobic Digester
System Improvements – SOQ with a maximum size of 20MB. The due date is Thursday, March 26, 2026, no
later than 11:00AM PDT.
Technical questions regarding the scope of this project should be put in writing and directed to both City
Representatives listed in Section 1.9 below, no less than three (3) working days prior to the time that submittals
are due.
There is no pre-proposal site meeting for this project. This project is funded by the 2025-2026 local budget.
The City of Pasco, 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 invitation and will not be discriminated against on the grounds of
race, color, or national origin in consideration for an award.
Projects funded wholly or in part by Federal appropriations must comply with Code of Federal Regulations; 24
CFR 570.502, 24 CFR 85.36, 2 CFR 200. All federally-funded projects will be held to federal Equal Employment
Opportunity (EEO) requirements. The City of Pasco is an equal opportunity and affirmative action employer.
Small, minority, and women-owned businesses are encouraged to submit bids. The City of Pasco 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 e-mailing Dustin Wittman at wittmand@pasco-wa.gov or calling (509) 545-
3447.
Those submitting Firms determined to be best qualified to undertake the services required under this Request for
Qualifications (RFQ) may be invited to make a presentation to the City’s interview team.
The City reserves the right to reject any and all responses and to waive technicalities or irregularities, and after
careful consideration of all submissions and factors involved make the award to best serve the interests of the
City of Pasco.
Para más información o para solicitar un intérprete, favor de comunicarse con Litzy Olivera al 509-544-
4135 o oliveral@pasco-wa.gov.
Page 3 of 12
City of Pasco, Washington
CITY OF PASCO, WASHINGTON
WWTP Anaerobic Digester System Improvements RFQ
____________________________________________
Prepared by Steve Brewer – PW Service Manager
____________________________________________
Prepared by Kent McCue – Operations Manager
____________________________________________
Reviewed by Dustin Wittman, CPSM – Project Support Specialist
____________________________________________
Reviewed by Andrey Avetisyan, PE – Engineering Manager
____________________________________________
Approved by Mary Heather Ames, PE – Deputy Public Works Director
Page 4 of 12
1.2 INTENT OF THE CITY
CITY OF PASCO, WASHINGTON
WWTP Anaerobic Digester System Improvements RFQ
The objective of this RFQ is to provide sufficient information to enable qualified Consultants to submit a single,
written SOQ. The Consultant’s SOQ shall demonstrate their recent and relative engineering experience in the
design of Dystor Membrane and Verec Gas Flare System improvements. As part of the project team, the selected
Consultant is expected to work closely with City Engineering and Operations staff, sub-consultants, contractors,
and construction management firms to successfully complete the projects.
This RFQ is not a contractual offer, nor is it a commitment to purchase services. Contents of this RFQ and the
Consultant’s submittal will be used as the basis to determine final contractual obligations. It is understood that this
RFQ and the successful Consultant’s submittal may be attached or included by reference, in part or in whole, to
any agreement regarding the services included in this RFQ between the City and said Consultant.
1.3 QUESTIONS
Any explanation desired by a submitting Consultant regarding the meaning or interpretation of the RFQ, or any part
thereof, must be submitted in writing (via e-mail) and directed to both City Representatives listed in Section 1.10,
no less than three (3) working days prior to the time that submittals are due.
Any interpretation made will be in the form of an addendum to the RFQ, issued by the City and will be posted to the
City Website – http://www.pascowa.gov/Bids.aspx. It is the sole responsibility of the Consultant to obtain any RFQ
updates or addenda. Please include “WWTP Anaerobic Digester System Improvements – RFQ” in the subject
line for all emails and correspondence related to this project.
1.4 SUBMISSION PROCEDURES
For consideration, Consultants shall submit an electronic copy of their SOQ. Failure to provide the submittal in the
appropriate manner will result in disqualification. Hard-copy, fax, or file-share submittals are not permitted and will
not be accepted. One electronic copy, including attachments, shall be transmitted to Dustin Wittman at
wittmand@pasco-wa.gov. Receipt time of submittal will be considered the time-stamp of the incoming email created
automatically by the City’s email server. Consultants are encouraged to submit the SOQ’s with adequate time for
the email to be processed by the City’s email server, with a maximum size of 20MB.
Email Subject shall be:
WWTP Anaerobic Digester System Improvements – SOQ
Due Date:
Thursday, March 26, 2026, no later than 11:00AM PDT
1.5 LATE SUBMITTALS AND MODIFICATIONS
Submittals and modifications thereof received after the stated time of closing will not be considered. The City is not
responsible for late deliveries. In accordance with the Due Date from Section 1.4 of this RFQ, the time of closing
will be determined per the Pacific Time Clock at http://www.time.gov/.
1.6 WITHDRAWAL OF SUBMITTALS
Submittals may be withdrawn by written request up to one (1) hour after the stated time of closing, as mentioned
above. Determination of the one-hour grace period shall be calculated based on the same reference as identified
in Section 1.5.
Page 5 of 12
This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.
