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 408.4202. Age limit of nonstandard existing steam boilers.
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The age limit of any boiler of nonstandard construction, installed prior to the date this law became effective, shall be 30 years except that after a thorough internal and external inspection and a hydrostatic pressure of 1 1/2 times the allowable working pressure and held for a period of at least 30 minutes, during which no distress or leakage develops, any boilers having other than a lap-riveted longitudinal joint may be continued in operation without reduction in working pressure.
History: 1979 AC.