Proposal for Repair and Replacement of FAHU Coil

Break Down Posted On: April 3, 2026 Closing On: April 9, 2026

Job Reference

JB

At Atlantic Building Tower 2, a suspected refrigerant gas leakage was identified in the Fresh Air Handling Unit (FAHU) cooling coil section. Oil stains near the coil surface and brazed joints indicates possible leakage points. The issue is likely caused by corrosion, joint failure, or mechanical vibration. Immediate inspection, leak detection, and repair or replacement of the cooling coil are recommended, followed by system testing and commissioning.

1. Inspection & Diagnosis

• Conduct a detailed visual inspection of the FAHU cooling coil.
• Identify signs of oil residue, corrosion, or physical damage.
• Inspect brazed joints and connection for leakage indications.
• Assess mechanical vibration levels that may have caused stress on joints.
• Perform refrige...