Building 100 HVAC Repairs

Statement of Work (SOW) / Performance Work Statement (PWS)

The objective of this contract is to provide all necessary labor, materials, equipment, and supervision to perform corrective maintenance, diagnostics, and component replacement on two (2) rooftop Air Handling Units (AHUs) at Building 100, located at 1 Yerba Buena Island, San Francisco, CA 94130, to restore both units to full operational status.

General Requirements:

• Perform Lock-Out/Tag-Out (LOTO) on each unit.
• Maintain a clean and safe work environment; dispose of debris off-government property.
• Test and verify proper operation with the COR upon completion.

AHU #1 - System Repairs & Component Replacement:

• Recover R-410A refrigerant.
• Replace one seized 13.4-ton compressor (hoisting required).
• Replace electrical components: two compressor contactors, two compressor circuit breakers, four condenser fan contactors (40A 120V), and two auxiliary switches.
• Replace system components: two failed compressor crankcase heaters.
• Install one new liquid line filter drier.
• Perform system leak check, evacuate system, and recharge with approximately 60 lbs. of R-410A refrigerant.

AHU #1 - Condenser Coil Cleaning:

• Chemically clean the condenser coil.
• Thoroughly rinse the coil and surrounding areas.
• Reassemble any removed panels or components.

AHU #2 - Troubleshooting & Diagnostics:

• Perform a diagnostic inspection to identify the root cause of an "Interlock Error Code."

• Inspect all accessible HVAC-R equipment, electrical components, system controls, and safety circuits.

• Test and verify the sequence of operation.

• Provide a detailed findings report with recommended repairs and parts list to the COR for approval before proceeding with repairs.

• All work must comply with manufacturer specifications and applicable federal and local safety codes.

• Materials must be new, commercial-grade, and meet or exceed Original Equipment Manufacturer (OEM) specifications.

• Final acceptance contingent on successful completion of all tasks and a final operational test verified by the COR.

• Place of Performance: 1 Yerba Buena Island, Yerba Buena Island Northgate Rd, San Francisco, Ca 94130.

• Period of Performance: To be completed within ten (10) calendar days after the award date. The project completion is within three (03) calendar days after the start date.

• SAM Registration: Prospective contractors MUST have completed or be currently enrolled in System Award Management (SAM) prior to contract issuance. Failure to comply will result in disqualification.

• Safety: Adhere to EPA, OSHA, and California safety standards. Submit an Accident Prevention Plan. No smoking within 50 feet of buildings or flammables.

• Security: Contractors and personnel will be escorted in restricted/controlled access spaces. Foreign nationals may have access restrictions. Provide employee rosters and valid photo identification for access. 24-hour advance notice required for deliveries. Vehicle registration and proof of insurance needed for access.

• Reporting: Provide daily verbal progress reports to the Engineer Officer prior to departing the premises.

• Utilities: Limited water and 110v electricity available. Contractor responsible for connection costs. Use of GFCIs or portable generators is authorized at contractor expense.

• Insurance: Provide a Certificate of Insurance listing the USCG as "Additional Insured."