Consulting Services for the Water Reclamation Facility Operational Efficiency Evaluation
| Location: | Idaho |
|---|---|
| Posted: | Aug 14, 2026 |
| Due: | Sep 4, 2026 |
| Agency: | City of Post Falls |
| Type of Government: | State & Local |
| Category: |
|
| Publication URL: | To access bid details, please log in. |
| Bid Title: |
Consulting Services for the Water Reclamation Facility Operational Efficiency Evaluation
|
| Category: | Request for Qualifications |
| Status: | Open |
|
Attachment Preview
Craig Borrenpohl
Utilities Manager
CITY OF POST FALLS
Public Works Department – Utilities Division
408 N. Spokane Street, Post Falls, ID 83854
PHONE (208) 262-7374
REQUEST FOR QUALIFICATIONS (RFQ)
CONSULTING SERVICES FOR THE CITY OF POST FALLS WATER
RECLAMATION FACILITY OPERATIONAL EFFICIENCY
EVALUATION
SUBMITTAL DEADLINE
4:00 P.M. Local, September 4, 2026
DELIVERY BY HAND
City of Post Falls- City Clerk
408 N. Spokane Street, Post Falls, ID 83854
ELECTRONIC DELIVERY
Email to City Clerk cityclerk@postfalls.gov
OR
ONLINE SUBMITTAL:
https://www.postfalls.gov/request-for-bid-proposal/
Prepared By:
Craig Borrenpohl, Utilities Manager
SUBMIT
One electronic copy
DELIVERY BY MAIL
City of Post Falls- City Clerk
408 N. Spokane Street, Post Falls, ID 83854
ADVERTISEMENT DATES
August 14, 2026 and August 21, 2026
Prepared For:
City of Post Falls, ID
Questions should be directed to Craig Borrenpohl at 208-262-7374.
City of Post Falls, Public Works Dpt. – Utilities Division, 408 N. Spokane Street, Post Falls, ID 83854. Phone: 208-
262-7374
SECTION
TABLE OF CONTENTS
DESCRIPTION
PAGE
REQUEST FOR QUALIFICATIONS ................................................................................................................... 2
1. DEFINITIONS ....................................................................................................................................................... 2
2. NON-DISCRIMINATION ....................................................................................................................................... 2
3. SERVICE DESIRED ............................................................................................................................................... 2
4. PROJECT DESCRIPTION ....................................................................................................................................... 2
5. PROJECT LOCATION ............................................................................................................................................ 4
6. PERFORMANCE OF SERVICES............................................................................................................................... 4
7. ADDENDA TO THE REQUEST FOR QUALIFICATIONS .......................................................................................... 5
8. SCHEDULE OF RFQ SOLICIATION ......................................................................................................................... 5
9. SELECTION PROCESS........................................................................................................................................... 5
10. INTERVIEWS ...................................................................................................................................................... 5
11. LIMITATIONS..................................................................................................................................................... 6
12. CONTRACT ........................................................................................................................................................ 6
13. GENERAL CONDITIONS ..................................................................................................................................... 6
14. KEY EMPLOYEE(S)............................................................................................................................................ 7
15. SUBMITTAL CONTENTS..................................................................................................................................... 7
16. SUBMITTAL FORMAT AND BINDING................................................................................................................. 7
17. SUBMITTAL PACKAGING................................................................................................................................... 7
18. SUBMITTAL DELIVERY ..................................................................................................................................... 8
ATTACHMENT A - RESPONSE TO REQUEST FOR QUALIFICATIONS .................................................. 9
PART 1 - COVER SHEET .......................................................................................................................................... 9
PART 2 - ADMINISTRATIVE INFORMATION ........................................................................................................... 10
PART 3 - RESPONSE TO CRITERIA IN ATTACHMENT B ...…………………………………………………………. 10
ATTACHMENT B – EVALUATION CRITERIA AND WEIGHTS ............................................................... 11
ATTACHMENT C – POST FALLS CONSULTANT CONTRACT TEMPLATE ………..……………….. 13
I
REQUEST FOR QUALIFICATIONS
1. DEFINITIONS:
For clarification and the purpose of brevity, the following definitions will be used throughout these
specifications:
# Term
1 City
2 Professional
Services
3 Contractor, Firm,
Respondent
Definition
City of Post Falls Idaho, a political subdivision of the State of
Idaho.
Services rendered by any Respondent contracting to perform
activities or services in response to this RFQ, which are within
the scope of the general definition of their professional practice
area as per state code
A person, corporation, partnership, sole proprietorship, or other
legal entity submitting a proposal in response to this RFQ.
2. NON-DISCRIMINATION:
The City of Post Falls City Council hereby notifies all firms that no person or organization shall be
discriminated against on the basis of race, religion, color, age, sex or national origin in consideration for
an award issued pursuant to this advertisement. To the extent, Respondent intends to subcontract any of
the work subject to this RFQ, the Respondent must include this notice in any agreements with
subcontractors. Additionally, minority business enterprises are encouraged to submit responses to this
invitation.
3. SERVICE DESIRED:
Consulting Services for the evaluation of the City of Post Falls Water Reclamation Facility (WRF) to
develop efficient operational strategies of existing treatment components and inform future expansion
plans, including secondary treatment technologies anticipated to be constructed during a forthcoming
facility expansion project.
4. PROJECT DESCRIPTION:
The City completed the 2024 Post Falls Water Reclamation Facility Planning Study which informed
treatment technologies to be implemented as part of a Capital Improvement Plan (CIP). Individual
treatment stages at the WRF include headworks facilities, influent flow equalization basins, biological
nutrient removal secondary treatment, tertiary clarification, tertiary membrane filtration, and ultraviolet
disinfection. Secondary treatment is comprised of anoxic and anerobic basins, surface aerated oxidation
ditches, and secondary clarification.
The City desires a review of past assumptions, operational practices, and overall efficiency to better
inform future operations and growth. This project will see consultants coordinating closely with facility
staff to develop operational strategies which balance electric, chemical, and labor inputs to efficiently
operate existing WRF components and to confirm future technologies and flow regimes as detailed in
the Facility Plan CIP.
08/12/2026
Request For Qualifications
Page 2 of 25
While solids are generated in the secondary and tertiary treatment processes, the scope of this effort will
not include an evaluation of the solids handling process.
The WRF Operational Efficiency Evaluation will require project management and technical evaluation
skills to ensure the study components and operational strategy testing do not impact the WRF’s ability to
reliability meet the requirements of IPDES Permit ID0025852 and other regulatory requirements.
A copy of the 2024 Water Reclamation Facility Planning Study is available for viewing on the City of
Post Falls website and at this link: postfalls.gov/DocumentCenter/View/517/2024-WRF-Facility-Plan-PDF
Project Schedule
The project is envisioned in two phases: a review of planned expansion projects and an efficiency
evaluation of the complete liquid treatment operations. Generally, phase 1 will include tasks 1-4 in the
scope of services below and phase 2 will include the remaining tasks.
The entire project is intended to be completed no later than July 2027. Phase 1 is expected to be
completed in February 2027.
Scope of Services
The consultant’s scope of work is expected to include, but not be limited to, the following tasks:
Phase One
1. Headworks Evaluation
Assess headworks components and performance, including peak flow handling and the condition
and effectiveness of screening and grit removal equipment.
2. Equalization Tank and Flow Routing Review
Evaluate the existing equalization tank capacity and both current and planned future flow-routing
methods. Provide recommendations for alternative approaches that may improve secondary
treatment stability, reliability, and/or reduce power consumption associated with managing
diurnal flow variations.
3. Secondary Treatment Flow Splitting Assessment
Review current practices for dividing flow between biological nutrient-removal treatment trains.
Develop options and recommendations for improved flow-splitting methodology, particularly as
the number of treatment trains increases.
4. Secondary Design Assessment
Review current basis of design for secondary treatment processes. Develop recommendations for
alternatives or modifications to be considered in future expansion projects.
Phase Two
5. Biological Process Basin Evaluation
Assess operating practices for anoxic, anaerobic, and oxidation basins. Recommend
improvements that enhance treatment stability and reduce electrical power required for
maintaining dissolved oxygen levels and solids mixing.
08/12/2026
Request For Qualifications
Page 3 of 25
Review process for potential benefits of incorporating online process instrumentation,
fermentation, CBOD supplementation, and other side stream processes intended to optimize
treatment stability and biological nutrient removal.
6. Secondary Clarifier Assessment
Evaluate secondary clarifier performance and operating methods. Recommend strategies to
improve clarification efficiency while meeting effluent quality targets.
7. Tertiary Clarification and Coagulant Evaluation
Review tertiary clarification performance and operating methods. Identify and evaluate
alternative coagulants, considering both performance and cost implications.
8. Tertiary Membrane Filtration Review
Evaluate membrane filtration operations. Focus areas to include flow sequencing between
tertiary membrane racks, advantages and disadvantages of using coagulants as part of the
membrane process, and optimizing clean in place equipment and operations.
9. Tertiary Treatment Flow Distribution Study
Assess existing flow distribution between tertiary clarification and membrane filtration
processes. Develop anticipated flow splitting strategy necessary to meet IPDES permit
requirements throughout the planning horizon. Evaluate overall tertiary treatment strategies that
optimize performance while balancing labor, power, and chemical practices.
10. UV Disinfection System Validation
Develop a UV disinfection system performance validation testing procedure for review and
approval by Idaho DEQ. Assist in completion of UV disinfection system performance validation
testing to demonstrate maximum effluent flow rates which remain compliant with Idaho Class A
recycled water standards and City reuse permit requirements.
11. Membrane Filtration Disinfection Literature Review
Conduct a literature review of acceptance criteria for using membrane filtration to meet effluent
disinfection requirements, both nationally and within Idaho.
12. WRF Power Use Evaluation
Evaluate overall WRF electrical energy consumption to identify opportunities for efficiency
improvements and cost savings.
13. Future Recommendations
Summarize future areas recommended for study and evaluation to improve treatment efficiency
and effectiveness.
The final Scope of Work will be refined and negotiated with the selected consultant.
5. PROJECT LOCATION: City of Post Falls, Water Reclamation Facility. 2002 W. Seltice Way, Post
Falls, Idaho. 83854
6. PERFORMANCE OF SERVICES:
The City intends that the firm awarded a contract will perform the work commencing upon approval of
contract and terminate upon project completion and acceptance unless terminated sooner with written
notification by the City.
08/12/2026
Request For Qualifications
Page 4 of 25
This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.
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