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Regulations (Standards - 29 CFR) - Table of
Contents

• Part Number:

1915

• Part Title:

Occup. Safety and Health Standards for
Shipyard Employment

• Subpart:

B

• Subpart Title:

Confined and Enclosed Spaces and Other
Dangerous Atmospheres in Shipyard Employment

• Standard Number:

1915.14

• Title:

Hot Work.

1915.14(a)

Hot work requiring testing by a Marine Chemist or Coast
Guard authorized person.
1915.14(a)(1)

The employer shall ensure that hot work is not performed in
or on any of the following confined and enclosed spaces and other
dangerous atmospheres, boundaries of spaces or pipelines until the work
area has been tested and certified by a Marine Chemist or a U.S. Coast
Guard authorized person as "Safe for Hot Work":
1915.14(a)(1)(i)

Within, on, or immediately adjacent to spaces that contain
or have contained combustible or flammable liquids or gases.
1915.14(a)(1)(ii)

Within, on, or immediately adjacent to fuel tanks that
contain or have last contained fuel; and
1915.14(a)(1)(iii)

On pipelines, heating coils, pump fittings or other
accessories connected to spaces that contain or have last contained
fuel.
1915.14(a)(1)(iv)

Exception: On dry cargo, miscellaneous and passenger vessels
and in the landside operations within spaces which meet the standards
for oxygen, flammability and toxicity in § 1915.12, but are adjacent to
spaces containing flammable gases or liquids, with a flash point below
150 deg.F (65.6 deg.C) when the distance between such spaces and the
work is 25 feet (7.62 m) or greater.

Note to Paragraph
(a)(1)(iv): For flammable liquids with flash points above 150 deg.F
(65.6 deg.C), see paragraph (b) of this section.
1915.14(a)(2)

The certificate issued by the Marine Chemist or Coast Guard
authorized person shall be posted in the immediate vicinity of the
affected operations while they are in progress and kept on file for a
period of at least three months from the date of the completion of the
operation for which the certificate was generated.
1915.14(b)

Hot work requiring testing by a competent person.
1915.14(b)(1)

Hot work is not permitted in or on the following spaces or
adjacent spaces or other dangerous atmospheres until they have been
tested by a competent person and determined to contain no concentrations
of flammable vapors equal to or greater than 10 percent of the lower
explosive limit:
1915.14(b)(1)(i)

Dry cargo holds,
1915.14(b)(1)(ii)

The bilges,
1915.14(b)(1)(iii)

The engine room and boiler spaces for which a Marine Chemist
or a Coast Guard authorized person certificate is not required under
paragraph (a)(1)(i) of this section.
1915.14(b)(1)(iv)

Vessels and vessel sections for which a Marine Chemist or
Coast Guard authorized person certificate is not required under
paragraph (a)(1)(iv) of this section, and
1915.14(b)(1)(v)

Land-side confined and enclosed spaces or other dangerous
atmospheres not covered by paragraph (a)(1) of this section.
1915.14(b)(2)

If the concentration of flammable vapors or gases is equal
to or greater than 10 percent of the lower explosive limit in the space
or an adjacent space where the hot work is to be done, then the space
shall be labeled "Not Safe for Hot Work" and ventilation shall be
provided at volumes and flow rates sufficient to ensure that the
concentration of flammable vapors or gases is below 10 percent by volume
of the lower explosive limit. The warning label may be removed when the
concentration of flammable vapors and gases are below 10 percent lower
explosive limit.

Note to § 1915.14: See appendix A of
this subpart for additional information relevant to performing hot work
safely.

[59 FR 37816, July 25, 1994; 60 FR 14218, March 16,
1995; 67 FR 44541, July 3, 2002]

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Standard (1915.15)

Regulations
(Standards - 29 CFR) - Table of
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