WITTMAN_AIRPORT_CONTROL_TOWER_CHILLER_REPLACEMENT_(Addendum_#2_Revision).pdf

PDF 265 KB Posted

Attached to
WITTMAN AIRPORT CONTROL TOWER CHILLER REPLACEMENT
Solicitation number
ITB-089-2025
Issued by
Winnebago County, Wisconsin

About this file

This is an Addendum #2 Revision to a Request for Sealed Bids (RFB# ITB-089-2025) issued by Winnebago County, Wisconsin Facilities Department for the replacement of the chiller system at Wittman Airport Control Tower. The project requires contractors to provide all labor, equipment, and materials necessary to remove the existing chiller (CH-1) and install a new chiller (CH-001) with a 33.3 kW capacity and four compressors. A mandatory pre-bid meeting is scheduled for November 18, 2025, at 10:00 am at Gate #33 (3110 Knapp Street, Oshkosh, Wisconsin 54902), with a questions and clarifications deadline of November 25, 2025, at 3:00 pm. Sealed bids must be submitted electronically through the County's OpenGov Procurement portal by December 2, 2025, at 3:00 pm Central Time, with bid results available immediately thereafter. The project must be completed by March 15, 2026. Bids are requested on a lump sum basis for the complete chiller replacement project.

All prices must be net F.O.B.-Destination to the project site. Winnebago County is tax-exempt under Wisconsin Statute 77.54 (9a), and contractors are expected to purchase materials directly without paying sales tax when materials exceed $5,000 from a single supplier. A bid bond equal to 5% of the bid amount, payable to Winnebago County, must accompany each bid as a guarantee of performance. All bids are binding for 60 calendar days. The successful contractor must provide a Certificate of Insurance meeting County requirements, including Workers' Compensation ($100,000 per accident), Commercial General Liability ($1,000,000 per occurrence), and Automobile Liability ($1,000,000 per occurrence), along with a Public Improvement Performance/Labor and Material Payment Bond. Payment terms are net 30 days with a 5% retainer withheld from each partial payment until 50% project completion. The County reserves the right to reject any and all bids and has not disclosed a specific budget for this project. No set-aside designations for disadvantaged enterprises are indicated in the procurement documents.

View the file

Other files

File Type Posted
WITTMAN_AIRPORT_CONTROL_TOWER_CHILLER_REPLACEMENT_(Addendum_#3_Revision).pdf PDF
WITTMAN_AIRPORT_CONTROL_TOWER_CHILLER_REPLACEMENT_(Addendum_#1_Revision).pdf PDF
WITTMAN_AIRPORT_CONTROL_TOWER_CHILLER_UPGRADE_REPLACEMENT.pdf PDF
Gate_33_Map.docx DOCX document
Gate_33_Map.docx DOCX document
Gate_33_Map.docx DOCX document
Gate_33_Map.docx DOCX document
23WINN03.00_BD_DWG.pdf PDF
23WINN03.00_BD_DWG.pdf PDF
23WINN0300_BD_SPEC.pdf PDF
23WINN0300_BD_SPEC.pdf PDF
23WINN03.00_BD_DWG.pdf PDF
23WINN0300_BD_SPEC.pdf PDF
23WINN03.00_BD_DWG.pdf PDF
23WINN0300_BD_SPEC.pdf PDF
GENERAL_CONDITIONS_for_Public_Works-MR.docx DOCX document
Insurance_Exhibit.pdf PDF
GENERAL_CONDITIONS_for_Public_Works-MR.docx DOCX document
Subcontractor_List.pdf PDF
Subcontractor_List.pdf PDF
Insurance_Exhibit.pdf PDF
Subcontractor_List.pdf PDF
Insurance_Exhibit.pdf PDF
SAMPLE-PSA_CONTRACTOR.docx DOCX document
GENERAL_CONDITIONS_for_Public_Works-MR.docx DOCX document
Insurance_Exhibit.pdf PDF
SAMPLE-PSA_CONTRACTOR.docx DOCX document
Subcontractor_List.pdf PDF
SAMPLE-PSA_CONTRACTOR.docx DOCX document
GENERAL_CONDITIONS_for_Public_Works-MR.docx DOCX document
SAMPLE-PSA_CONTRACTOR.docx DOCX document
Show all 31

On GovTribe

Work with this file

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file

Text version

RFB# ITB-089-2025 WITTMAN AIRPORT CONTROL TOWER CHILLER REPLACEMENT

Winnebago County, Wisconsin

Facilities

Request for Sealed Bids for

WITTMAN AIRPORT CONTROL TOWER CHILLER

REPLACEMENT

RFB# ITB-089-2025

Due: December 2, 2025

TABLE OF CONTENTS

WITTMAN AIRPORT CONTROL TOWER CHILLER REPLACEMENT

RFB# ITB-089-2025

INVITATION TO BID

SCOPE OF WORK

PRICING SCHEDULE

BID RESPONSE

SEPARATE ATTACHMENTS

A - INSURANCE EXHIBIT

B - GENERAL CONDITIONS FOR PUBLIC WORKS

C - SUBCONTRACTOR LIST

D - SAMPLE-PSA CONTRACTOR

E - DRAWINGS

F - SPECS

G - GATE 33 MAP

INVITATION TO BID

Winnebago County is requesting sealed bids to provide all labor, equipment and materials to replace the

Wittman Airport Tower chiller.

Request for Bids Schedule

The key dates and times (subject to change by the County) for this RFB are listed below:

Bid Post Date: November 5, 2025

Pre-Bid Meeting (Mandatory): November 18, 2025, 10:00am

Meet at gate #33 located west of the

Airport Tower at 3110 Knapp St Oshkosh WI 54902

Questions, Inquiries, Requests for

Clarification Deadline:

November 25, 2025, 3:00pm

Bids Due: December 2, 2025, 3:00pm

Pre-Bid Meetings & Requirements

If the Contractor receives this Request for Bids (RFB) from any source or entity other than the County's OpenGov

Procurement portal, the Contractor is responsible for registering on the County's OpenGov Procurement portal and following this project in order to be placed on the County’s formal planholders list for the project. Failure of the Contractor to properly adhere to this requirement in no way obligates the County to deliver addendum or other information concerning the RFB to the Contractor.

All updates to this RFB will occur through the County's OpenGov Procurement portal.

A Mandatory pre-bid meeting will be held at 10:00 am, local time, on Tuesday, November 18, 2025, to view existing conditions and review project requirements. Interested Contractors should meet at Meet at gate #33 located west of the Airport Tower at 3110 Knapp St Oshkosh WI 54902.

Questions and Clarifications

All questions about the meaning or intent of these Documents shall be submitted using the Question & Answer section of this project listed on the County's OpenGov Procurement portal. Replies shall be issued by the County on its OpenGov Procurement portal. Any responses to questions that result in the issue of an addendum will see an addendum posted on the project page on the County's OpenGov Procurement portal with notification of such addendum being issued to all accounts following the project on OpenGov Procurement. All questions, inquiries, and requests for clarifications are due prior to 3:00 pm on Tuesday, November 25, 2025 and any said https://procurement.opengov.com/portal/winnebagocountywi questions, inquiries, or requests for clarification received in any other manner will not be answered. Only responses issued by formal written addenda will be binding.

Use of any brand names or model numbers is meant to be descriptive and not restrictive. If a particular model or brand is indicated, it will be assumed that the Contractor is bidding the exact brand/model specified.

Substitutions or equivalent products will not be acceptable unless approved in advance. Submit any such requests for substitutions as a question prior to the above stated deadline being sure to provide details on the product(s) you would like considered. If deemed acceptable by the County, it will be documented in an addendum that it will be considered an equivalent product that can be supplied in addition to the one(s) originally specified.

Submission of Bids

Bids must be electronically submitted through the County's OpenGov Procurement portal before 3:00 pm, Central Time, on Tuesday, December 2, 2025. Bids received in any other manner will not be accepted.

Bidder may withdraw their submittal at any time prior to the submittal deadline by clicking the "Unsubmit" button on their bid within OpenGov Procurement. If a Bidder wishes to update their bid after it has been submitted they may do so prior to the submittal deadline by unsubmitting and making any desired changes but must resubmit their bid prior to the deadline or their bid will not be considered.

All bids submitted shall be binding for sixty (60) calendar days unless the Contractor(s), upon request of the

County, agree to the extension.

Bid Bond

A bid bond payable to Winnebago County in an amount of five percent (5%) of the bid amount must accompany the bid as a guarantee that if the bid is accepted, the bidder will execute and file the proper contract within ten

(10) days after award of the contract. Please upload a scanned copy of the complete document within the

County's OpenGov portal including all seals, signatures, notarized pages, and power of attorney.

Bid Opening

Bids will be opened and publicly read at Room 119, Winnebago County Bldg., 112 Otter Avenue, Oshkosh, WI.

Bid results will also be immediately available at OpenGov.com commencing at 3:00 p.m. local time on December

2, 2025.

Contract and Bonding Requirements

Successful Contractor must provide a Certificate of Insurance meeting County requirements as outlined in the attached Insurance Exhibit.

The successful Contractor shall furnish a Public Improvement Performance/Labor and Material Payment Bond pursuant to Sec. 779.14 WI Statutes, with a surety duly authorized to and licensed to do business in the State of

Wisconsin for use and benefit of claimants in an amount not less than the contract sum.

The successful Contractor will be required to sign a standard County contract within 10 days after award.

Contractors are encouraged to familiarize themselves with the conditions contained therein. A sample contract can be viewed on the County’s website or follow this link:

https://www.co.winnebago.wi.us/sites/default/files/uploaded-files/PSA-CONTRACTOR.pdf.

If the successful bidder cannot meet the requirements of this bid specification once they have been awarded the contract, or if, during the duration of the contract, they fail to meet the requirements, the County shall consider the contract null and void and will be able to select an alternate source for the above services.

Pricing and Payment Requirements

All prices are to be net F.O.B.-Destination 3110 Knapp St Oshkosh WI 54902, Winnebago County.

Winnebago County is a tax-exempt municipal corporation, under Wisconsin Statute 77.54 (9a). Under Act 126 signed into law on 12/16/15, effective 1/1/16 Contractors may purchase materials directly for this project without paying sales tax. It is expected that the Contractor will do so anytime the materials exceed $5000 from a single supplier.

All invoices or applications for payment to be paid net 30 unless otherwise agreed to in advance according the unit prices provided in the bid. A 5% retainer will be withheld from each partial payment up to 50% completion to provide recovery of liquidated damages or for work not performed. Release of retainer will take place upon completion and approval of punch list items.

Any failure of the Contractor to acquaint him or herself with available information, the site or the working conditions will not relieve him/or her from responsibility for properly estimating the work. The building owner is not responsible for any conclusions or interpretations made by the Contractor if the Contractor does not first request a clarification.

Performance of Work Requirements

Please view Attachment B - General Conditions for Public Works.

All items, details of construction, services or features not specifically mentioned which are regularly furnished in order to provide this type of service shall be furnished at the bid price and shall conform in strength, quality and workmanship to that usually provided by the practice indicated in this document.

Successful Contractor shall comply with all Federal, State and local codes, laws, regulations, standards, and ordinances, including, without limitation, those of the Occupational Safety and Health Administration (OSHA), the Wisconsin Department of Safety and Professional Services, and all County rules and orders governing the performance of the work performed by the Contractor, its employees, agents and subcontractors or anyone employed directly or indirectly by any of them or by anyone for whose acts any of them may be liable. In addition, any material, equipment or supplies provided to the County must comply with all safety requirements as set for the by the Wisconsin Administrative Code, Rules of the Industrial Commission on Safety and all applicable OSHA Standards.

The successful Vendor(s) must agree in writing to comply with the requirements contained in the Winnebago

County Safety Manual. You can view the manual at:

https://www.co.winnebago.wi.us/sites/default/files/uploaded-files/PSA-CONTRACTOR.pdf https://www.co.winnebago.wi.us/sites/default/files/uploaded-files/winnebago_county_safety_manual_facilities_department_2-20-15_revision_0.pdf

Unless otherwise stated herein, the Contractor shall be responsible to obtain and pay for any building permits or other permits required to complete the project.

Contractors will be required to comply with Winnebago County Resolution #251-693, which requires all departments, commissions, contractors, sub-contractors and boards of Winnebago County to utilize the

Winnebago County Solid Waste facilities for solid waste disposal. Contractors shall be aware that, upon request, scale tickets must be provided.

Other General Requirements

Winnebago County is not liable for any costs incurred in replying to this RFB. The County reserves the right to reject any and all bids and to select the bid considered most advantageous to Winnebago County.

Any bids submitted in conjunction with this request will become public record, open for public inspection. If there is confidential or proprietary information which should be exempted from this requirement, Contractors must include a separate cover letter explaining what items should be exempted and why. Notification of the

County’s determination on such requests will be made prior to release of any information in the bid.

The Wisconsin Statutes contain a general provision that the following shall not transact business in this state until it has obtained a certificate of authority or registration from the Department of Financial Institutions: A foreign (out-of-state) corporation, Nonstock Corporation, limited partnership, limited liability Company, cooperative association, or limited liability partnership. Firms meeting the aforementioned criteria must be registered to do business in the State of Wisconsin with the Department of Financial Institutions

(https://www.wdfi.org/corporations/foreign_entities.htm).

Contractor understands that the County is bound by the Wisconsin Public Records Law, Wis. Stat. sec. 19.21, et.

seq. Pursuant to Wis. Stat. sec. 19.36 (3), the County may be obligated to produce, to a third party, the records of Contractor that are “produced or collected’ by the Contractor under this Agreement (“Records”). Contractor is further directed to Wis. Stat. sec. 19.21, et. seq. for the statutory definition of Records subject to disclosure under this paragraph, and Contractor acknowledges that it has read and understands that definition.

Irrespective of any other term of this Agreement, Contractor is (1) obligated to retain Records for seven years from the date of the Record’s creation, and (2) produce such Records to the County if, in the County’s determination, the County is required to produce the records to a third party in response to a public records request. Contractor’s failure to retain and produce Records as required by this paragraph shall constitute a material breach of this Agreement, and Contractor must defend and hold the County harmless from liability due to such breach.

SCOPE OF WORK

Scope

Please see attached Specifications and Drawings. Project must be completed by 03/15/2026.

https://www.co.winnebago.wi.us/sites/default/files/uploaded-files/winnebago_county_safety_manual_facilities_department_2-20-15_revision_0.pdf https://www.co.winnebago.wi.us/sites/default/files/uploaded-files/winnebago_county_safety_manual_facilities_department_2-20-15_revision_0.pdf https://www.wdfi.org/corporations/foreign_entities.htm)

PRICING SCHEDULE

PRICING TABLE

Line Item Description Unit of Measure Unit Cost

1 Wittman Airport Tower Chiller Replacement Lump Sum

BID RESPONSE

Contractor's Qualifications Statement Responses will not be made public.

Business Type* Is your organization operating as a Corporation, a Partnership, a Joint Venture, or an Individual?

If no, and the answer is something other than those 4 options you will be able to explain by selecting "No" here.

☐ Yes

☐ No

*Response required

When equals "Yes"

Business Type - Select* Please select the business type that your organization is currently operating as.

☐ Corporation

☐ Partnership

☐ Joint Partnership

☐ Individual

*Response required

When equals "No"

Business Type - Other* You have indicated that your organization is not operating as a Corporation, a Partnership, a Joint Venture or as an Individual. Please state and explain the type of business that your organization is operating as. Please be sure to describe your business type and name the principals of your organization.

*Response required

Type of Work* Please state and explain the types of work performed by your organization.

*Response required

Years In Business* For how many years has your organization been in business?

*Response required

Business Under Current Name* For how many years has your organization been in business under its present business name?

*Response required

Other Business Names* Under what other current or former names has your organization operated?

Please be sure to provide the full business name of each.

*Response required

Business Type - Corporation* Did you previously indicate that your organization is operating as a Corporation?

Your answer here should match what you previously indicated above and should not indicate a different business type.

☐ Yes

☐ No

*Response required

When equals "Yes"

Date of Incorporation* You have indicated that your organization operates as a Corporation. Please state the full date of incorporation.

*Response required

When equals "Yes"

State of Incorporation* You have indicated that your organization operates as a Corporation. Please indicate the State in which your organization is incorporated.

When equals "Yes"

President's Name* You have indicated that your organization operates as a Corporation. Please state the full name of your organization's President.

*Response required

When equals "Yes"

Vice-President's Name* You have indicated that your organization operates as a Corporation. Please state the full name of your organization's Vice-President.

*Response required

When equals "Yes"

Secretary's Name* You have indicated that your organization operates as a Corporation. Please state the full name of your organization's Secretary.

*Response required

When equals "Yes"

Treasurer's Name You have indicated that your organization operates as a Corporation. Please state the full name of your organization's Treasurer.

Business Type - Partnership* Did you previously indicate that your organization is operating as a Partnership?

Your answer here should match what you previously indicated above and should not indicate a different business type.

☐ Yes

☐ No

*Response required

When equals "Yes"

Date of Organization* You have indicated that your organization operates as a Partnership. Please indicate the full date of organization.

When equals "Yes"

Type of Partnership* You have indicated that your organization operates as a Partnership. Please indicate the type of partnership, and explain if necessary.

If not applicable or no other information to provide, then simply state "Not Applicable".

*Response required

When equals "Yes"

Name(s) of General Partner(s)* You have indicated that your organization operates as a Partnership. Please provide the full names of each of the General Partners.

*Response required

Business Type - Individual* Did you previously indicate that you are operating as an Individual?

Your answer here should match what you previously indicated above and should not indicate a different business type.

☐ Yes

☐ No

*Response required

When equals "Yes"

Date of Organization* You have indicated that your organization operates as an Individual Please indicate the full date of organization.

*Response required

When equals "Yes"

Name of Owner* You have indicated that your organization operates as an Individual Please indicate the full name of the owner.

*Response required

Licensing - Qualifications* List the jurisdictions and trade categories in which your organization is legally qualified to do business.

Licensing - Name Filed* List the jurisdictions in which your organization's partnership or trade name is filed.

*Response required

Categories of Work* List the categories of work that your organization normally performs with its own forces and state for how many years your organization has been involved in each.

*Response required

Officer/Principal Recent Past Experience* Within the last five years, has any officer or principal of your organization ever been an officer or principal of another organization when it failed to complete a contract?

☐ Yes

☐ No

*Response required

When equals "Yes"

Officer/Principal Recent Past Experience - Follow Up* You have indicated that within the last five years, an officer or principal of your organization has been an officer or principal of another organization when it failed to complete a contract.

Please upload a detailed explanation of all applicable situations.

*Response required

Experience With Winnebago County* List any projects your organization has completed for Winnebago County in the past 10 years. Include the name of the County department and contact on the project:

*Response required

Similar In Progress Projects* Upload a list of major projects of a similar nature to that noted in this Request for Bids that your organization has in progress, giving the name/title/description of the project, owner agency or entity of project, total contract amount, percent of project currently complete, and current scheduled completion date.

Be sure to state the total worth of work in progress and under contract and not just the current amount paid.

*Response required

Similar Completed Projects* Upload a list of the major projects of similar nature to that noted in this Request for Bids that your organization has completed in the past five years, giving the name/title/description of the project, owner agency or entity of project, total contract amount, date of completion, and percentage of the work performed with your own forces.

Be sure to state the average annual dollar amount of work performed during the past five years.

*Response required

Claims and Suits* Answer "Yes" here if the answer to one or more of these individual questions is "yes".

Has your organization ever failed to complete any work awarded to it?

Are there any judgments, claims, arbitration proceedings or suits pending or outstanding against your organization or its officers?

Has your organization filed any lawsuits or requested arbitration with regard to any related contracts within the last five years?

☐ Yes

☐ No

*Response required

When equals "Yes"

Claims and Suits - Follow Up* You indicated yes to one or more of the following:

Has your organization ever failed to complete any work awarded to it?

Are there any judgments, claims, arbitration proceedings or suits pending or outstanding against your organization or its officers?

Has your organization filed any lawsuits or requested arbitration with regard to any related contracts within the last five years?

Please upload a detailed explanation of all applicable situations.

*Response required

Eligibility* Answer "Yes" here if the answer to one or more of these individual questions is "yes".

Has you organization recently received a serious, willful or repeated violation from OSHA?

Is you organization on an ineligible list maintained by the Department of Administration for noncompliance with equal employment opportunities and affirmative action requirements, or on any other agency list for construction-related violations of statutes or administrative rules?

Has your organization been debarred, suspended, proposed for debarment or declared ineligible from contracting with any unit of federal, state or local government?

☐ Yes

☐ No

*Response required

When equals "Yes"

Eligibility Follow-Up* You answered "yes" to one or more of the following:

Has you organization recently received a serious, willful or repeated violation from OSHA?

Is you organization on an ineligible list maintained by the Department of Administration for noncompliance with equal employment opportunities and affirmative action requirements, or on any other agency list for construction-related violations of statutes or administrative rules?

Has your organization been debarred, suspended, proposed for debarment or declared ineligible from contracting with any unit of federal, state or local government?

Please upload a detailed explanation of all applicable situations.

*Response required

Does your organization have a written substance abuse prevention program meeting the requirements of WIS. Stat. §103.503?*

☐ Yes

☐ No

*Response required

Trade References* *Response required

Bank References* *Response required

Surety References* Please be sure to provide the name of the bonding company and the name and address of the agent of the bonding company.

*Response required

Bid Information

Bid Guarantee/Security* Bid Bond

Please upload a scanned copy of the complete document here including all seals, signatures, notarized pages, and power of attorney.

Subcontractors* Will you be using one or more subcontractors to perform any portion of work for this project?

☐ Yes

☐ No

*Response required

When equals "Yes"

Subcontractor List* Please complete Attachment C - Subcontractor List and upload here.

*Response required

Substitute or Equivalent Product* Is your bid based on the use of an approved substitute or equivalent product?

☐ Yes

☐ No

*Response required

When equals "Yes"

Substitute or Equivalent - Product Information* Please upload the relevant information regarding your substitute or equivalent product.

*Response required

Additional Information For any additional information requested or required by any of your previously provided answers or by this RFB with no previous place to provide such information, please upload that additional documentation here.

Submittal Confirmation* Bidder hereby certifies they have carefully examined these Specifications and all other Documents relating to the project and acquainted himself/herself with the site and all other conditions relevant to the work and hereby proposes and agrees to furnish all labor, materials, equipment, tools, taxes, services and all other things necessary or appropriate for the proper and complete execution of the work specified in this RFB. Bidder further certifies that all information provided within this submittal is accurate to the best of their knowledge and acknowledges that they have provided proof of their authority to submit a bid on behalf of the stated Company name committing them to the information contained within said submittal.

☐ Please confirm

File details come from the government source that posted it. Updated .