DOT-ITB-25-2007-JB Addendum 1.pdf

Florida Department of Transportation

RON DESANTIS

GOVERNOR

1109 South Marion Avenue Lake City, FL 32025-5874

JARED W. PERDUE, P.E.

SECRETARY

Improve Safety, Enhance Mobility, Inspire Innovation www.fdot.gov

DISTRICT TWO

PROCUREMENT OFFICE

ADDENDUM 1

DOT-ITB-25-2007-JB

HVAC Replacement - I10 Madison Rest Areas

Addendum No. 1 hereby incorporates the following:

1. Provides Answers to Questions received.

The Bidder must acknowledge receipt of this Addendum by completing and returning to the Procurement Office with its bid package by or before the time and date of the bid opening. Failure to do so may deem the Bidder non-responsive.

Company Name

Signature

Date

Failure to file a protest within the time prescribed in Section 120.57(3), Florida Statutes, or failure to post the bond or other security required by law within the time allowed for filing a bond shall constitute a waiver of proceedings under Chapter 120, Florida Statutes.

Note: All written questions are reproduced in the same format as submitted by the Respondent.

Question Answer

1. Please confirm that all CU cages will need to be replaced due to their current condition.

Will any of the existing systems that do not currently have cages over the CU require cages?

1. Yes, please replace/install CU Cages for each unit.

2. Please confirm that a means of disconnecting power is required for all the AHU’s and meet NEC requirements.

2. Confirmed, installation is required to meet current codes/requirements. The Department encourages setting up a site visit to review the existing conditions and confirm the scope of work required to complete the work per contract documents.

3. Please confirm that new disconnects for the CU’s will be required and mounted on the exterior wall or steel supports not mounted to the cage per NEC guidelines.

3. Confirmed, installation is required to meet current codes/requirements. The Department encourages setting up a site visit to review the existing conditions and confirm the scope of work required to complete the work per contract documents.

4. Please confirm that all supply and return grills shall be replaced.

4. Confirmed, please replace all supply and return grills.

5. Please confirm that the ductwork and insulation in the mechanical room of AHU-1, which serves the family restrooms, shall be replaced, due to the existing condition.

5. Ductwork shall only be replaced as necessary to ensure proper operation on the HVAC System. All existing ductwork remaining shall be cleaned as part of the project.

6. Please confirm that the supply and return ducts of AHU-1, which serves the family restrooms, shall be internally cleaned.

6. If the existing ducts can be re-used, they shall be cleaned as part of this project (see response above).

7. Please confirm that the P-tac unit in the security office shall be replaced.

7. Confirmed, unit shall be replaced.

8. Please confirm that all the exhaust fans shall be replaced.

8. Confirmed, all exhaust fans shall be replaced.

9. Please confirm what type of CU pad is required (plastic, concrete etc.) for cu-1 serving the family restrooms.

9. Either material acceptable provided a suitable, stable, and elevated base is provided for the unit and protective cage.

10. Will the 120-day countdown for liquidated damages start after the receipt of equipment?

10. Contract time will begin upon issuance of NTP.

11. Starting January 1, 2025, new residential and light commercial air conditioners and heat pumps in the United States must use more environmentally friendly refrigerants.

These new refrigerants, known as A2Ls, have a lower global warming potential (GWP) than previous refrigerants. The goal is to reduce greenhouse gas emissions and ozone depletion.

The new refrigerants replacing R-410A are R-32 and R-454B etc.

To meet new 2025 refrigerant United States code, will this project require new A2L refrigerant equipment?

11. Units/Installation is required to meet current codes/requirements.

12. With this being an active rest area, are there any limitations to equipment downtime during replacement?

12. Please see contract scope for allowable work times.

13. Who is the existing BMS/controls vendor in the building currently?

13. Refer to the Architectural Plans that were provided as additional information. A site visit is strongly encouraged to confirm the components of the existing system to ensure the Contractor understand the project scope. All replacement systems must meet existing codes.