Industrial HVAC Chiller Plant Safety Inspection Checklist

Are refrigerant leak detection systems (sensors) calibrated and functioning correctly, with alarms set at appropriate levels? (ASHRAE 15)

Are refrigerant monitor logs reviewed and documented weekly, showing no abnormal leak trends? (EPA 608)

Is refrigerant piping insulation intact and free from damage or deterioration, preventing condensation and corrosion? (ANSI/IIAR 2)

Are refrigerant storage vessels properly labeled, secured, and protected from physical damage? (OSHA 1910.119)

Is refrigerant recovery equipment available, in good working order, and operated by certified personnel? (EPA 608)

Are refrigerant pressure relief valves properly sized, installed, and tested annually? (ANSI/IIAR 2)

Are refrigerant compressor oil levels within the manufacturer's recommended range? (OEM Manual)

Are refrigerant sight glasses clear and free from bubbles, indicating proper refrigerant charge? (OEM Manual)

Are all refrigerant lines clearly identified with the type of refrigerant and flow direction? (ANSI A13.1)

Is the emergency refrigerant shutdown procedure documented and readily accessible? (Site Specific Procedure)

Are cooling tower water treatment logs maintained daily, showing consistent adherence to chemical treatment protocols? (ASHRAE 188)

Are biocide levels in the cooling tower water maintained within the recommended range, as verified by regular testing? (ASHRAE 188)

Are total dissolved solids (TDS) levels in the cooling tower water within acceptable limits, preventing scaling and corrosion? (Water Treatment Plan)

Is the cooling tower bleed-off system functioning correctly, removing concentrated impurities from the water? (Water Treatment Plan)

Are cooling tower drift eliminators in place and in good condition, minimizing water droplet carryover? (ASHRAE 188)

Is a regular cooling tower cleaning and disinfection schedule followed, preventing biofilm formation? (ASHRAE 188)

Is Legionella testing performed regularly, with results documented and corrective actions taken when necessary? (ASHRAE 188)

Is access to the cooling tower restricted to authorized personnel only? (Site Security Plan)

Is the make-up water source for the cooling tower properly treated and monitored? (Water Treatment Plan)

Is the cooling tower basin free from cracks, leaks, and debris? (Visual Inspection)

Are chiller pressure gauges accurate and within calibration dates? (ASME Boiler and Pressure Vessel Code)

Are chiller pressure relief valves properly sized, installed, and tested according to ASME standards? (ASME Boiler and Pressure Vessel Code)

Is hydrostatic testing of pressure vessels performed at the required intervals, with documented results? (ASME Boiler and Pressure Vessel Code)

Are regular visual inspections of pressure vessels conducted for signs of corrosion, cracks, or other damage? (NBIC)

Is the pressure vessel nameplate legible and does it contain all required information? (ASME Boiler and Pressure Vessel Code)

Is the chiller protected against overpressure events by appropriate safety devices? (ASME Boiler and Pressure Vessel Code)

Are pressure vessel supports and foundations in good condition, providing adequate support? (Engineering Design)

Is documentation for pressure vessel inspections, testing, and repairs readily available? (NBIC)

Are corrosion protection measures in place for pressure vessels, such as coatings or cathodic protection? (NACE)

Are operating procedures for pressure vessels documented and followed? (Site Specific Procedure)

Are appropriate PPE (gloves, eye protection, respiratory protection) available and used when handling refrigerants? (OSHA 1910.132)

Are appropriate PPE (gloves, eye protection, face shield) available and used when handling water treatment chemicals? (OSHA 1910.132)

Is an emergency eyewash station readily accessible and functioning properly? (ANSI Z358.1)

Is an emergency shower readily accessible and functioning properly? (ANSI Z358.1)

Is a well-stocked first-aid kit readily available? (OSHA 1910.151)

Is a refrigerant leak emergency response plan in place and understood by all personnel? (Site Specific Procedure)

Is a Legionella outbreak response plan in place and understood by all personnel? (ASHRAE 188)

Are fire extinguishers readily accessible, inspected monthly, and appropriate for the hazards present? (NFPA 10)

Is an emergency contact list posted in a prominent location? (Site Specific Procedure)

Are confined space entry procedures followed when entering chiller or cooling tower basins? (OSHA 1910.146)