It's always a good time to conduct a mechanical room safety check and review potential liability problems. The following checklist highlights important items to look for:
• Ensure that exhaust outlets are located at least 20 feet from inlet vents.
• All purges should vent outdoors, not indoors.
• Make sure chiller drain valves are locked off.
• Isolate the mechanical room by ensuring a tight seal around the main door, including a working lock.
• Store the self-contained breathing apparatus outside the mechanical room, not inside.
• Clear any low areas in the room floor of unwanted chemical residues that may be present.
• Make sure floor drains aren't connected to drains from occupied space such as restrooms.
Source: Carrier Corp.'s Refrigerant Handbook
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