(a) During the first inspection of all boilers, the
inspector shall stamp the Texas boiler number, except as provided
for in subsections (c) and (d), as near to the original ASME code
name plate and required information as practicable.
(b) The stamping shall consist of the letters "TX"
and directly to the right of the TX shall be stamped the Texas boiler
number with a five point star stamped immediately adjacent to the
first and last digit of the Texas boiler number.
(c) All hard stamping shall be accomplished by low
stress steel dies 5/16 inch (8 millimeters) high and shall be arranged
as shown in §65.615, Exhibit 1.
(d) In addition to the stamping:
(1) the corrosion-resistant metal tag shall be applied,
as permanently as practicable, to the external jacket or other covering
where the surface temperature exceeds 200 degrees Fahrenheit (93.3
degrees Celsius), or
(2) the Texas boiler number decal shall be applied
where the surface does not exceed 200 degrees Fahrenheit (93.3 degrees
Celsius).
(e) The following types of boilers are exempt from
the stamping requirements of subsection (c), ASME code name plates
stamped with the HLW designator, cast iron sectional boilers, cast
aluminum sectional boilers, water tube boilers with cast headers,
and other types of boilers that will be damaged by direct impression
stamping.
(1) These boilers shall be identified with the Texas
boiler number decal or corrosion-resistant tag; and
(2) The Texas boiler number decal or corrosion-resistant
tag shall be applied where the surface does not exceed 200 degrees
Fahrenheit (93.3 degrees Celsius).
(f) Nonstandard boilers shall be identified by the
Texas boiler number as described in subsection (b), with an exception
that the Texas boiler number decal shall not be applied. The letters
"TEXAS SPECIAL" or "TX SPCL" shall identify nonstandard boilers and
shall be stamped directly above the Texas boiler number.
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