Atch 1. SOW B4983 HVAC System 21MAY2026.pdf

STATEMENT OF WORK

REPLACE R22 HVAC SYSTEM BUILDING 4983

JOINT BASE SAN ANTONIO, LACKLAND

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1. INTRODUCTION & BACKGROUND

The 502nd Civil Engineer Squadron requires replacement of the HVAC system in Building 4983 at

JBSA-Lackland. The existing split system operates on R22 refrigerant, which has been phased out, and consists of a Rheem condenser (Model No. RAWE-180CAZ, Serial No. 6698F010904536) and a RUUD air-handling unit (Model No. RHCE-1582X, Serial No. 1140829988299).

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.

2. PROJECT SCOPE

The contractor shall provide all labor, supervision, materials, equipment, tools, transportation, and quality assurance necessary to remove the existing HVAC system and install a new system meeting current Unified

Facilities Criteria (UFC), American Society of Heating, Refrigerating and Air-Conditioning Engineers

(ASHRAE), National Fire Protection Association (NFPA), International Code Council (ICC), Occupational

Safety and Health Administration (OSHA), and Air Force standards.

The contractor shall deliver a complete, operational, commissioned HVAC system.

3. EXISTING CONDITIONS

Existing equipment: Rheem Condenser, RUUD Air Handler unit.

• No front-end control system is installed.

• R22 refrigerant system requiring full replacement.

• Existing Honeywell controller and wiring to be removed

4. DETAILED SCOPE OF WORK

4.1 PRE-CONSTRUCTION.

• Conduct a site visit to verify field conditions.

• Coordinate with designated Government Point of Contact (GPOC) at least one (1) week before work begins

4.2 REMOVAL OF EXISTING EQUIPMENT.

• Remove existing air handler unit, condenser, refrigerant piping, and associated components.

• Remove Honeywell controller and wiring.

• Remove ductwork if determined incompatible with the new system.

• Perform lockout/tagout in coordination with designated GPOC.

4.3 INSTALLATION.

Provide and install a complete HVAC system including:

• New refrigerant-based HVAC equipment sized to meet building load requirements.

• All required electrical components, updated disconnects, conduit, wiring, and programming

• New refrigerant piping, insulation, drain piping, and overflow safety devices.

• Unit suspension and mounting hardware.

• DDC controller and BACnet-compatible interface.

• Verification of CAT communication line with designated GPOC.

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4.4 CONTROLS & INTEGRATION.

• Install and configure DDC controls.

• Ensure BACnet compatibility with GPOC.

• Provide programming, testing, and verification.

4.5 COMMISSIONING.

• Perform manufacturer’s startup and commissioning

• Provide commissioning report and system performance verification.

5. DELIVERABLES.

• As-built drawings.

• Submittals for equipment, controls, and materials.

• O&M manuals for all installed equipment

• Preventive maintenance checklist identifying tasks required by Government

• Warranty documentation.

6. CODES & STANDARDS.

All work shall comply with the latest versions of:

• 29 CFR 1910 & 1926 (OSHA)

• 48 CFR 52.225-9, 52.246-12

• UFC criteria

• AFIs and Air Force Manuals

• USACE EM 385-1-1

• AFCFS

• NFPA, ASHRAE, ICC codes

• Base regulations and Uniform Building Codes

7. SAFETY & ENVIRONMENTAL REQUIREMENTS.

• Comply with all OSHA and EM 385-1-1 safety requirements.

• Provide barricades and warning signs; maintain a clean site

• Identify, track, and report all HAZMAT in accordance with AFI 32-7086

• Submit AF Form 3952 for each HAZMAT item.

• Provide MSDS as needed

8. ADMINISTRATIVE REQUIREMENTS

8.1 BASE ACCESS & TRAFFIC.

• Comply with all base traffic regulations.

• Hands-free devices only while driving

8.2 DELIVERY & STORAGE.

• Contractor is responsible for all delivery, loading, unloading, and storage.

• Government will not accept freight or store materials

8.3 GOVERNMENT-FURNISHED SERVICES.

Water, electricity, and emergency services will be provided.

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9. HOURS OF WORK.

• Normal work hours: 0700–1700, Monday–Friday, excluding federal holidays.

• All coordination for work will need to be in writing to the designated GPOC.

10. PERIOD OF PERFORMANCE.

• The contractor shall provide a minimum of one (1) week advance notice prior to the start of work.

• Performance of period: 45-days after award.

11. INSPECTION & ACCEPTANCE.

• Final inspection will be conducted by the designated GPOC

• All discrepancies must be corrected prior to final payment.

12. WARRANTY.

Provide manufacturer’s parts, labor, and equipment warranties for a minimum of one (1) from date of completed installation.

END OF STATEMENT OF WORK