Michigan Administrative Code (Last Updated: November 16, 2016) |
Department LR. Licensing and Regulatory Affairs |
Bureau of Construction Codes |
Chapter Michigan Boiler Rules |
Part 2. EXISTING INSTALLATIONS STEAM BOILERS |
Section 408.4206. Age limit of standard existing boilers.
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The age limit of boilers of standard construction shall be dependent on a thorough internal and external inspection and hydrostatic pressure test of 1 1/2 times the allowable working pressure for a period of 30 minutes. If the boiler under these test conditions exhibits no distress or leakage, it may be continued in operation at the same working pressure.
History: 1979 AC.