DRAFT SOW_ Legacy R22 Split System Replacement B4983.docx

STATEMENT OF WORK (SOW)

REPLACE R22 HVAC SYSTEM

JOINT BASE SAN ANTONIO, LACKLAND

Project: Replacement of Legacy R22 Split HVAC System, Bldg. 4983 Location: JBSA Lackland, Texas Supported Organization: 502d Civil Engineer Squadron (CES)

1.0 DESCRIPTION OF SERVICES / SCOPE OF WORK

The contractor shall provide all personnel, labor, equipment, tools, materials, supervision, and quality control necessary to perform the replacement of the HVAC system in Building 4983 at JBSA Lackland. The 502d Civil Engineer Squadron requires the decommissioning and removal of the existing obsolete split system, which operates on phased-out R-22 refrigerant. The existing equipment consists of a 15-ton Rheem Air-Cooled Condensing Unit (Model No. RAWE-180CAZ, Serial No. 6698F010904536) and a corresponding RUUD Air Handling Unit (Model No. RHCE-150ZK, Serial No. 114G029900259). This project will remove the obsolete equipment and install a new, fully functional, code-compliant HVAC system equipped with modern Direct Digital Controls (DDC) and BACnet-compatible building automation capabilities.

The contractor shall deliver a complete, operational, commissioned HVAC system in accordance with the provided Salient Characteristics.

2.0 GENERAL REQUIREMENTS

2.1 All work shall be performed in accordance with this SOW, standard commercial practices, manufacturer specifications, and all applicable federal, state, and local building and mechanical codes.

2.2 The contractor shall coordinate all site access, equipment staging, and system downtime with the facility manager and the 502d CES to minimize disruption to the mission.

3.0 DEMOLITION AND REMOVAL

3.1 Lockout/Tagout: Prior to any demolition or disconnection, the contractor shall perform proper lockout/tagout (LOTO) procedures on all associated electrical and mechanical systems in direct coordination with the designated Government Point of Contact.

3.2 Equipment Removal: The contractor shall safely disconnect, dismantle, and remove the existing 15-ton Rheem Air-Cooled Condensing Unit, the RUUD Air Handling Unit, legacy copper refrigerant piping, and all associated mechanical and electrical components.

3.3 Controls & Ductwork Demolition: The contractor shall completely remove the existing Honeywell controller and all associated control wiring. Furthermore, the contractor shall remove any existing ductwork if determined to be incompatible with the new system.

3.4 Disposal: All demolished equipment, wiring, and refuse shall become the property of the contractor and must be removed from JBSA Lackland and properly disposed of in accordance with all applicable environmental regulations.

4.0 EXECUTION AND INSTALLATION

4.1 Equipment Selection: The new system shall utilize a modern, low-GWP (Global Warming Potential) refrigerant (e.g., R-410A or R-454B) compliant with current EPA regulations.

4.2 Equipment Footprint & Ductwork Integration: The contractor shall remove existing ductwork if determined incompatible with the new Air Handling Unit (AHU). The contractor shall fabricate and install all necessary sheet metal transitions, plenums, and connections to ensure proper integration with the existing ductwork without restricting airflow or static pressure.

4.3 System Sizing & Refrigerant Piping: The new system shall be sized to meet building load requirements to ensure optimal efficiency and performance (nominally 15 tons). The contractor must provide and install completely new copper refrigerant piping (line set).

Flushing or reusing the legacy R-22 line set is strictly prohibited.

4.4 Controls & Automation (DDC): The new system must be equipped with modern Direct Digital Controls (DDC). The system must utilize a native BACnet-compatible DDC interface (BTL-Certified) to allow for seamless integration with the base-wide Energy Management Control System (EMCS), without requiring proprietary gateways or recurring brand-specific software licenses.

4.5 Commissioning & Verification: The contractor shall provide a complete, operational, commissioned HVAC system. Upon completion of installation, the contractor shall perform a full system start-up and submit a formal commissioning report to the government. This report must verify the system meets all operational, airflow, and load requirements per the manufacturer’s specifications.

5.0 SAFETY AND HOUSEKEEPING

5.1 The contractor shall maintain a safe, clean work environment at all times and comply with standard OSHA and Air Force safety regulations.

5.2 The site shall be cleaned daily of all construction debris, scrap metal, and packaging materials.

6.0 SUBMITTALS

Prior to the procurement of equipment, the contractor shall submit product data sheets, technical specifications, and shop drawings for the proposed condensing unit, air handling unit, and DDC control package to the 502d CES for government review and approval.

7.0 ENVIRONMENTAL DECOMMISSIONING

The contractor shall safely recover, containerize, and dispose of all legacy R-22 refrigerant and associated mineral oil in strict accordance with EPA Section 608 guidelines. Venting of ozone-depleting substances is strictly prohibited. Furthermore, the contractor must track hazardous materials (HAZMAT) in accordance with AFI 32-7086 and submit the AF Form 3952 to the JBSA Lackland Environmental office prior to project execution.

8.0 BASE ACCESS AND SECURITY

The contractor shall comply with all JBSA Lackland security requirements, including obtaining necessary visitor passes, vehicle inspections, and adhering to designated work hours as coordinated with the Government Point of Contact.

9.0 GOVERNMENT FURNISHED PROPERTY / UTILITIES

The government will provide reasonable access to standard utilities (electricity and water) necessary for the execution of the work at no cost to the contractor.

10.0 TRAFFIC REGULATIONS

Contractor employees shall comply with all base traffic regulations and are subject to random vehicle speed control checks. Contractor’s personnel cited for speeding on the installation may suffer loss of base driving privileges, debarment from the base, or other administrative action. The use of cell phones, except hands-free phones, is prohibited while driving on military installations in Texas.

11.0 HEALTH AND SAFETY ON GOVERNMENT INSTALLATIONS

In performing work under this contract on a Government installation, the contractor shall:

Take all reasonable steps and precautions to prevent accidents and preserve the health and safety of contractor and Government personnel performing or in any way coming in contact with the performance of this contract; and

Take such additional immediate precautions as the contracting officer may reasonably require for health and safety purposes

The contracting officer may, by written order, direct Department of the Air Force Occupational Safety and Health (AFOSH) Standards and/or health/safety standards as may be required in the performance of this contract and any adjustments resulting from such direction will be in accordance with the Changes clause of this contract.

Any violation of these health and safety rules and requirements, unless promptly corrected as directed by the contracting officer, shall be grounds for termination of this contract in accordance with the Default clause of this contract.

12.0 CONTRACTOR ACCESS TO DEPARTMENT OF THE AIR FORCE INSTALLATIONS

The contractor shall obtain base identification and vehicle passes, if required, for all contractor personnel who make frequent visits to or perform work on the Department of the Air Force installation(s) cited in the contract. Contractor personnel are required to wear or prominently display installation identification badges or contractor-furnished, contractor identification badges while visiting or performing work on the installation.

The contractor shall submit a written request on company letterhead to the contracting officer listing the following: contract number, location of work site, start and stop dates, and names of employees and subcontractor employees needing access to the base. The letter will also specify the individual(s) authorized to sign for a request for base identification credentials or vehicle passes. The contracting officer will endorse the request and forward it to the issuing base pass and registration office or Security Forces for processing. When reporting to the registration office, the authorized contractor individual(s) should provide a valid driver’s license, current vehicle registration, valid vehicle insurance certificate, and any other to obtain a vehicle pass.

During performance of the contract, the contractor shall be responsible for obtaining required identification for newly assigned personnel and for prompt return of credentials and vehicle passes for any employee who no longer requires access to the work site.

When work under this contract requires unescorted entry to controlled or restricted areas, the contractor shall comply with DAFI 31-101, Integrated Defense, and DODMAN5200.02_DAFMAN 16-1405, Air Force Personnel Security Program.

Upon completion or termination of the contract or expiration of the identification passes, the prime contractor shall ensure that all base identification passes issued to employees and subcontractor employees are returned to the issuing office.

The contractor shall provide an after-hours contact number or after-hours email in the Emergency Mass Notification System (EMNS) for each of their personnel, whose normal place of duty is on a DoD installation or within a DoD facility. The contractor shall comply with any additional requirements in DAFMAN 10-206 for emergency operational reporting. Foreign Nationals may participate and may remove themselves from the Emergency Mass Notification System at any time. To update information, personnel can access the globe icon on their system desktop screens and choose the “Access Self-Service” option.

Failure to comply with these requirements may result in withholding of final payment

13.0 WARRANTY

The contractor shall provide a standard one (1) year warranty on all labor and workmanship, commencing on the date of final government acceptance. Additionally, the contractor shall transfer all standard manufacturer equipment warranties to the government. The contractor shall provide all associated warranty documentation, operation manuals, and certificates upon final acceptance.

14.0 DELIVERY AND STORAGE

14.1 The government will not accept deliveries on behalf of the contractor. The contractor shall be present to receive all material deliveries.

14.2 The contractor shall coordinate a designated staging and storage area with the Government POC prior to mobilizing. The government assumes no liability for loss, theft, or damage to contractor tools, materials, or equipment stored on base.

15.0 INSPECTION AND ACCEPTANCE

15.1 Final inspection will be conducted jointly by the contractor and the 502d CES HVAC shop.

15.2 Acceptance of the project will occur only when the new HVAC system is fully commissioned, operational, integrated with the DDC/EMCS, the site is entirely cleared of debris, and all required submittals and warranty documentation have been provided to the government.

16.0 HOURS OF WORK

Normal base working hours are 0730 to 1630, Monday through Friday, excluding Federal Holidays. If the contractor desires to work outside of normal duty hours, a written request must be submitted at least three (3) business days in advance for approval.