StatA

Coast Guard, DOT

§ 121.300

the cognizant OCMI to be necessary for
safety.
(e) Sea rails, with suitable barriers to
prevent accidental movement of cooking pots, must be installed on a cooking range.
(f) Electric connections for a cooking
appliance must be dripproof.
[CGD 85–080, 61 FR 933, Jan. 10, 1996, as
amended at 62 FR 51352, Sept. 30, 1997]

§ 121.240

Gas systems.

Cooking systems using liquefied petroleum gas (LPG) and compressed natural gas (CNG) must meet the following requirements:
(a) The design, installation and testing of each LPG system must meet
ABYC A–1, ‘‘Marine Liquefied Petroleum Gas (LPG) Systems,’’ Chapter 6 of
NFPA 302, or other standard specified
by the Commandant.
(b) The design, installation and testing of each CNG system must meet
ABYC A–22, ‘‘Marine Compressed Natural Gas (CNG) Systems,’’ Chapter 6 of
NFPA 302, or other standard specified
by the Commandant.
(c) Cooking systems using Chapter 6
of NFPA 302 as the standard must meet
the following additional requirements.
(1) The storage or use of CNG containers within the accommodation
area, machinery spaces, bilges, or other
enclosed spaces is prohibited;
(2) LPG or CNG must be odorized in
accordance with ABYC A–1, appendix 4,
or A–22, appendix 4, respectively;
(3) The marking and mounting of
LPG cylinders must be in accordance
with ABYC A–1, appendix 7; and
(4) LPG cylinders must be of the
vapor withdrawal type as specified in
ABYC A–1, section 1.7.
(d) Continuous pilot lights or automatic glow plugs are prohibited for an
LPG or CNG installation using ABYC
A–1 or A–22 as the standard.
(e) CNG installation using ABYC A–
22 as the standard must meet the following additional requirements:
(1) The storage or use of CNG containers within the accomodation area,
machinery spaces, bilges, or other enclosed spaces is prohibited:
(2) CNG cylinders, regulating equipment, and safety equipment must meet
the installation, stowage, and testing

requirements of paragraph 6–5.12 of
NFPA 302; and
(3) The use or stowage of stoves with
attached CNG cylinders is prohibited
as specified in paragraph 6–5.1 of NFPA
302.
(f) If the fuel supply line of an LPG
or CNG system enters an enclosed
space on the vessel, a remote shut off
valve must be installed that can be operated from a position adjacent to the
appliance. The valve must be located
between the fuel tank and the point
where the fuel supply line enters the
enclosed portion of the vessel. A power
operated valve installed to meet this
requirement must be of a type that will
fail closed.
(g) The following variances from
ABYC A–1 section 1.12 are allowed for
CNG:
(1) The storage locker or housing access opening need not be in the top;
and
(2) The locker or housing need not be
above the waterline.
(h) The following variances from
NFPA 302 are allowed.
(1) The storage locker or housing for
CNG tank installations need not be
above the waterline as required by
paragraph 6–5.12.1.1(a); and
(2) Ignition protection need not be
provided as required by paragraph 6–
5.4.
NOTE TO § 121.240: The ABYC and NFPA
standards referenced in this section require
the posting if placards containing safety precautions for gas cooking systems.
[CGD 85–080, 61 FR 933, Jan. 10, 1996, as
amended at 62 FR 51352, Sept. 30, 1997; USCG–
2000–7790, 65 FR 58463, Sept. 29, 2000]

Subpart C—Mooring and Towing
Equipment
§ 121.300 Ground tackle and mooring
lines.
A vessel must be fitted with ground
tackle and mooring lines necessary for
the vessel to be safely anchored or
moored. The ground tackle and mooring lines provided must be satisfactory
for the size of the vessel, the waters on
which the vessel operates, subject to
the approval of the cognizant OCMI.

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