Section R20-5-432. Historical Boilers


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  • Historical boilers shall require an initial Certificate inspection by an authorized inspector, followed by a Certificate inspection every three years thereafter if stored inside a shelter, or annually if stored outdoors. The initial Certificate inspection shall include ultrasonic thickness testing of all pressure boundaries. Thinning of the pres-

    sure retaining boundary shall be monitored and recorded on the inspection report, in accordance with R20-5-407(D), to the owner and the Division’s electronic copy.

Historical Note

New Section made by final rulemaking at 15 A.A.R.

1496, effective August 18, 2009 (Supp. 09-3).