Project Information

Bid Title

Request for Proposals for Project to Replace Existing Make-Up Air Units

Issuing Agency

County of Natrona

Location

Wyoming

Published Date

Mar 6, 2026

Closing Date

Apr 17, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Bid Title:	Request for Proposals for Project to Replace Existing Make-Up Air Units
Category:	Board of County Commissioners
Status:	Open

Description: The County of Natrona, Wyoming ("County") is seeking qualification statements and service proposals from qualified contractors to provide turnkey replacements of four existing make-up air units. The proposals should be designed to provide the County with a clear understanding of the costs of performing the service being solicited. The specific nature of the scope of work for the project is outlined in this Request for Proposals (RFP). There will be an walkthrough at 10:00 am on March 26, 2026 at the Natrona County Detention Center, 1100 Bruce Lane, Casper, WY. To be considered, the proposal must respond to all requirements of the RFP. Any other information believed to be relevant, but not applicable to the enumerated categories, should be provided as an attachment to the proposal. If publications are provided, the document and page number shall be referenced. The County reserves the right to reject any or all proposals. The County reserves the right to request more information for clarification. Each Contractor shall submit one (1) paper copy of their sealed proposal on or before 10:00 AM local Mountain Time, April 17, 2026  to the: Natrona County Board of County Commissioners 200 N. Center St. Casper, WY 82601 Proposals shall be externally labeled "Project to Replace Existing Make-Up Air Units". All proposals must be received by the specified deadline. The proposal will remain valid for at least ninety (90) days. Publication Date/Time: 3/6/2026 12:00 AM Closing Date/Time: 4/17/2026 10:00 AM Pre-bid Meeting: 10:00 am on March 26, 2026 Contact Person: Garrett Rothenhoefer 307-235-9299 or Michelle Maines 307-235-9202 Qualifications: The proposal should include proof of licensing, insurance and bonding. Related Documents: Replace Existing Make-Up Air Units RFP

Attachment Preview

REQUEST FOR

PROPOSALS

PROJECT TO REPLACE EXISITING MAKE-UP

AIR UNITS

Proposals Due April 17, 2026

REQUEST FOR PROPOSALS

FOR

PROJECT TO REPLACE EXISITING MAKE-UP AIR UNITIS

FOR THE COUNTY OF NATRONA

CASPER, WYOMING 82601

Due April 17, 2026 @ 10:00 a.m.

The County of Natrona, Wyoming (“County”) is seeking qualification statements and service

proposals from qualified contractors to provide turnkey replacements of four existing make-up air

units. The proposals should be designed to provide the County with a clear understanding of the

costs of performing the service being solicited. The specific nature of the scope of work for the

project is outlined in this Request for Proposals (RFP).

I. Purpose for Proposal

The County is seeking a qualified mechanical contractor to provide turnkey replacement

of four existing make-up air units (MUA) Reznor Model RPBL 500-8-S-MV-H with new

equipment of equal or superior performance.

II. Scope of Services

Replace four existing make-up air units at the Natrona County Detention Center with

new equipment of equal or superior performance. The selected contractor will furnish all

labor, materials, equipment, and services necessary to remove the existing units and

install fully operational replacements.

The County seeks a contractor who shall complete the following:

1) Exiting Conditions: Contractors shall verify all field conditions prior to bidding.

Known conditions include:

• Four aging MUA units currently serving the kitchen facility’s ventilation and

pressurization needs.

• Units are roof mounted.

• Electrical, gas, and control connections are original to the units and may

require modification.

Contractors are responsible for confirming the following:

• Unit dimensions and weights

• Roof curb compatibility

• Ductwork configuration

• Gas piping and electrical service capacity

• Control system integration requirements

2) Contractor Responsibilities: Each bidder shall include the following in their

proposal:

1

2.1) Equipment Selection

• Provide new MUA units that match or exceed the performance of the existing

units, including:

o

Airflow (CFM)

o

Heating capacity (BTU/hr.)

o

Filtration level

o

Supply air temperature control

o

Outdoor air intake configuration

• Units may be from any reputable manufacturer offering comparable

performance and warranty.

• Submit equipment submittals for approval prior to ordering.

2.2) Demolition and Removal

• Disconnect and remove existing MUA units.

• Properly cap or protect utilities during transition.

• Dispose of old equipment in accordance with environmental regulations.

2.3) Installation

• Provide and install new roof curbs or curb adapters as required.

• Install new MUA units, ensuring proper alignment with existing ductwork.

• Reconnect or modify:

o

Electrical service

o

Gas piping

o

Condensate drainage (if applicable)

o

Control wiring and communication

• Provide all necessary rigging and crane services.

2.4) Controls and Commissioning

• Integrate new units with the existing building automation system (BAS) or

provide standalone controls if required.

• Program and test:

o Temperature control

o Fan operation

o Safety interlocks

o Alarms and fault reporting

• Perform full functional testing and provide commissioning documentation.

2.5) Insulation and Weatherproofing

• Seal all roof penetrations.

• Insulate duct transitions as required.

• Ensure all exterior work meets local weatherproofing standards.

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2.6) Startup, Training and Documentation

• Perform manufacturer-recommended startup procedures.

• Provide on-site training for facility staff.

• Deliver O&M manuals, warranty documents, and as-built drawings.

III. Code Compliance

All work must comply with local mechanical, electrical, and building code; NFPA

standards; manufacturer installation requirements; and OSHA safety regulations.

IV. Warranty Requirements

The selected contract must provide a minimum 1-year labor warranty on the installation

and a minimum manufacturer warranty of one (1) year for parts, Five (5) years for heat

exchanger (if applicable), and five (5) to ten (ten) years on major components depending

on manufacturer.

V. General Criteria for Evaluating Qualifications

To be considered, the proposal must respond to all requirements in the RFP. Any other

information believed to be relevant, but not applicable to the enumerated categories,

should be provided as an attachment to the proposal. If publications are provided, the

document and page number shall be referenced. The County reserves the right to reject

any or all proposals. The County reserves the right to request more information for

clarification. The proposal shall be divided into sections as indicated below:

1) Introduction: Description of company and provide general overview of its services,

specialties, and any relevant distinctions it holds. The introduction will include any

similar projects that have been completed within the past five (5) years.

2) Scope of Work: Review the items under Section II “Scope of Services.” The

Contractor shall describe in narrative form the proposer’s plan for accomplishing

the items listed under Section II “Scope of Services” and should be no longer than

one page. Contractors should propose the name of the products to be used.

3) References: The proposal should provide an overview of its prior experience,

including the number of years with similar projects. The Contractor will list at least

three (3) of its customers as references. The ideal references will be customers, from

the past five (5) years, in the Casper area that utilized similar work. The County

reserves the right to contact any reference or client listed in the proposal submitted

which may be helpful to the County in evaluating the Contractor’s performance with

similar services provided.

4) Conflicts of Interest: The proposal should include any possible conflicts of interest

and the proposer’s position or response as to whether such other work or relationship

may be deemed a conflict of interest with this agreement.

3

5) Licenses and Insurance: The proposal should include proof of licensing, insurance,

and bonding.

6) Project Schedule: The proposal should include a project schedule complete with

estimated equipment lead times, proposed installation timelines, and any anticipated

downtime or service interruptions.

7) Additional Information: The proposal should include detailed equipment

specifications, the total project cost with line-item breakdowns, and a crane plan (if

applicable).

VI. Selection Process

Eligible proposals shall be subject to evaluation by designated individuals and/or a

Selection Committee. The evaluation shall be for the express purpose of selecting the

proposal which most clearly meets the RFP requirements, as defined in Section II.

VII. Request for Proposal Procedure

Each Contractor shall submit one (1) paper copy of their sealed proposal to the

Natrona County Board of County Commissioners, 200 North Center Street, Casper, WY,

82601, on or before 10:00 AM local Mountain Time, April 17, 2026. Proposals shall

be externally labeled “Project to Replace Existing Make-Up Air Units.” All proposals

must be received by the specified deadline. The proposal will remain valid for at least

ninety (90) days.

1) General Criteria for Evaluation of Proposals: Proposals will be evaluated

regarding the ability to meet all the scope of services listed, level of customer service

that will be provided, pricing for the work described in Section II and references

provided. The presence of any conflicts of interest will also be reviewed.

2) Contract Award and Documents: The County reserves the right to accept, reject, or

request changes in proposals. The County will work closely with the selected

Contractor to develop or refine a detailed scope of work, schedule for completion of

tasks and costs associated with completed work included in the contract documents.

The Contractor will be required to sign a Contract for Professional Services in a form

acceptable to the County. This document will include, but not be limited to, the

following articles: method of compensation, time of performance, scope of services,

termination of contract, and obligations to the County. The County is not liable for

any costs incurred by the Contractor during the RFP process.

3) Timetable for this RFP:

Following is the tentative timeline for this RFP:

4

Commodity Codes

• NAICS 238220Plumbing, Heating, and Air-Conditioning Contractors

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