NAC455C.022. “Alteration” defined.

Latest version.

“Alteration” means a change in any item described in the data report from the original manufacturer for a boiler or pressure vessel which affects the capability of the boiler or pressure vessel to contain pressure, and includes:

1. Changes which do not physically alter the boiler or pressure vessel, including, without limitation, an increase in the maximum allowable internal or external working pressure in the boiler or pressure vessel or a change in the temperature at which a boiler or pressure vessel is designed to be operated; and

2. A reduction in the minimum temperature of a boiler or pressure vessel which requires additional mechanical tests.

(Added to NAC by Div. of Industrial Relations by R101-02, eff. 12-15-2004)

                    
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