Ch. 351                                    2004 LAWS OF MARYLAND

12-903.

(b) This subtitle does not apply to:

(9)     a mechanical device of any of the following types:
(i) a pump;

(ii) a compressor;

(iii) a turbine;

(iv) a generator; or

(v) a hydraulic or pneumatic cylinder; [or]

(10)   the water-containing part of an air-conditioning or refrigeration
system condenser or evaporator:

(i) that uses halocarbon refrigerant;

(ii) that is constructed in accordance with the requirements of
ANSI/ASHRAE Standard 15 (the safety code for mechanical refrigeration) in effect at
the time of construction; and

(iii) if neither of the following limitations is exceeded:

1.       a design pressure of 300 psig; and

2.       a design temperature of 210 degrees Fahrenheit; OR
(11) MODEL STEAM BOILERS.

12-909.

(d) (1) Except for boilers and pressure vessels exempt under subsection (a)
of this section or § 12-903 of this subtitle, each boiler and each pressure vessel that is
used or proposed to be used in the State shall be inspected thoroughly as to its
construction, installation, and condition in accordance with this subsection.

(2) A certificate inspection required under this subsection shall be:

(i) an internal inspection if construction allows; or

(ii) an inspection that is as complete as possible.

[(3) (i) A EXCEPT FOR MODEL STEAM BOILERS. A power boiler or a high
pressure, high temperature water boiler shall:

1.       receive a certificate inspection annually; and

2.       be externally inspected annually while under pressure, if
possible.

(ii) The Board may extend to 2 years the interval between
certificate inspections of a power boiler if:

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