Mich. Admin. Code R. 339.5235 - Safety appurtenances and controls
Rule 235. An individual shall not attempt to remove, or do any work on, any safety appurtenance or control prescribed by these rules while a boiler is in operation. If an appurtenance or control is repaired during an outage of a boiler, it must be reinstalled and in proper working order before the appurtenance or control is placed back in service. A person shall not load the safety valves to maintain a working pressure of more than that stated on the certificate of inspection.
Notes
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