(a) The Department of Labor and Workforce Development or a deputy or special inspector shall be given free access, during reasonable hours, to any premises where a boiler or unfired pressure vessel is being constructed, installed, or operated, for the purpose of determining whether the boiler or unfired pressure vessel is constructed, installed, and operated in accordance with AS 18.60.180 - 18.60.390.
(b) An approved inspector appointed under AS 18.60.235(a) has the right of access provided in (a) of this section, but only for the purpose of making the determinations described in (a) of this section for a cast iron boiler or domestic hot water heater.