---
kind: "section"
citation: "46 C.F.R. § 154.12"
title: "46"
number: "154.12"
heading: "Existing gas vessel: Endorsements and requirements."
url: "https://uscodex.org/cfr/46/154.12"
---

# §154.12. Existing gas vessel: Endorsements and requirements.

- (a) Except an existing gas vessel under paragraph [(b)](#b), [(c)](#c), or [(d)](#d) of this section, an existing gas vessel must meet [subpart C](/cfr/46/subpartC.md) of this part if the owner desires a document endorsed for the carriage of a cargo listed in Table 4 (follows [§ 154.1872](/cfr/46/154.1872.md)).
- (b) If an existing gas vessel is issued a document by the Coast Guard before November 1, 1987 that is endorsed for the carriage of a cargo listed in Table 4 (follows [§ 154.1872](/cfr/46/154.1872.md)), and the owner desires the same endorsement on a reissued document, the vessel must—
  - (1) Continue to meet the same design and construction standards under which the Coast Guard issued the original document; and
  - (2) **Meet paragraph (e) of this section.**
- (c) If an existing gas vessel is issued a document by the Coast Guard before November 1, 1987 that is endorsed for the carriage of a cargo listed in Table 4 (follows [§ 154.1872](/cfr/46/154.1872.md)), and the owner desires an endorsement for a different cargo listed in that table, the vessel must—
  - (1) Continue to meet the same design and construction standards under which the Coast Guard issued the original document;
  - (2) Meet [paragraph (e)](#e) of this section;
  - (3) Meet subpart D for the different cargo; and
  - (4) Meet any additional requirements of this part that the Commandant (CG-ENG) determines to be necessary for safety.
- (d) If an existing gas vessel does not meet paragraph [(b)](#b) or [(c)](#c) of this section and the owner desires a document endorsed for the carriage of a cargo listed in Table 4 (follows [§ 154.1872](/cfr/46/154.1872.md)), the vessel must—
  - (1) **Have a letter from the Coast Guard dated before November 1, 1987 stating that—**
    - (i) Review of the vessel's plans for the carriage of that cargo is completed; or
    - (ii) The vessel's IMO Certificate endorsed for the carriage of that cargo is accepted;
  - (2) Meet the plans that were reviewed and marked “Examined” or “Approved” by the Coast Guard, or meet the standards under which the IMO Certificate was issued;
  - (3) Meet [paragraph (e)](#e) of this section; and
  - (4) Meet any additional requirements of this part that the Commandant (CG-ENG) determines to be necessary for safety.
- (e) If the owner of a vessel desires any document endorsement described in paragraph [(b)](#b), [(c)](#c), or [(d)](#d) of this section, the existing gas vessel must meet the requirements in each of the following:
  - (1) Section [154.310 (d)](/cfr/46/154.310.md?p=d) and [(e)](/cfr/46/154.310.md?p=e).
  - (2) Section [154.320 (b)](/cfr/46/154.320.md?p=b) and [(c)](/cfr/46/154.320.md?p=c).
  - (3) [Section 154.330 (a) through (e)](/cfr/46/154.330.md?p=a..e).
  - (4) [Section 154.340(d)](/cfr/46/154.340.md?p=d).
  - (5) Section [154.345 (a)](/cfr/46/154.345.md?p=a), [(b)(1) through (b)(5)](/cfr/46/154.345.md?p=b-1..b-5), [(b)(7)](/cfr/46/154.345.md?p=b-7) and [(c)](/cfr/46/154.345.md?p=b-c).
  - (6) [Section 154.476(a)](/cfr/46/154.476.md?p=a).
  - (7) [Section 154.519(a)(2)](/cfr/46/154.519.md?p=a-2).
  - (8) [Section 154.534](/cfr/46/154.534.md).
  - (9) [Section 154.538](/cfr/46/154.538.md).
  - (10) Section [154.540 (c)](/cfr/46/154.540.md?p=c) and [(d)](/cfr/46/154.540.md?p=d).
  - (11) [Section 154.556](/cfr/46/154.556.md).
  - (12) [Section 154.558](/cfr/46/154.558.md).
  - (13) [Section 154.560](/cfr/46/154.560.md).
  - (14) [Section 154.562](/cfr/46/154.562.md).
  - (15) [Section 154.703](/cfr/46/154.703.md).
  - (16) [Section 154.705](/cfr/46/154.705.md).
  - (17) [Section 154.706](/cfr/46/154.706.md).
  - (18) [Section 154.707](/cfr/46/154.707.md).
  - (19) [Section 154.708](/cfr/46/154.708.md).
  - (20) [Section 154.709](/cfr/46/154.709.md).
  - (21) [Section 154.904](/cfr/46/154.904.md).
  - (22) [Section 154.906](/cfr/46/154.906.md).
  - (23) [Section 154.908(a)](/cfr/46/154.908.md?p=a), unless the space is separated from the accommodation, service, or control space by a steel door that—
    - (i) Is watertight when tested with a firehose at not less than 207 kPa gauge (30 psig);
    - (ii) Has a means to self-close and does not have latches or other devices designed to hold it open; and
    - (iii) **Has an audible and visual alarm on both sides of the door which is actuated when the door is open.**
  - (24) [Section 154.910](/cfr/46/154.910.md).
  - (25) [Section 154.912](/cfr/46/154.912.md).
  - (26) [Sections 154.1110 through 154.1130](/cfr/46/154.1110..154.1130.md), except §§ [154.1115(b)](/cfr/46/154.1115.md?p=b), [154.1120(b)](/cfr/46/154.1120.md?p=b), and [154.1125 (c)](/cfr/46/154.1125.md?p=c) and [(f)](/cfr/46/154.1125.md?p=f).
  - (27) [Section 154.1145](/cfr/46/154.1145.md), except an existing gas vessel with a cargo carrying capacity of less than 2500 m 3 (88,200 ft 3) may have only one self-contained dry chemical storage unit if that unit—
    - (i) is installed before November 1, 1987; and
    - (ii) Has the capacity to meet § [154.1145 (d)](/cfr/46/154.1145.md?p=d) and [(e)](/cfr/46/154.1145.md?p=e), and [§ 154.1170(e)](/cfr/46/154.1170.md?p=e).
  - (28) Section [154.1150 (a)](/cfr/46/154.1150.md?p=a) and [(b)](/cfr/46/154.1150.md?p=b).
  - (29) [Section 154.1155](/cfr/46/154.1155.md).
  - (30) [Section 154.1160](/cfr/46/154.1160.md).
  - (31) Section [154.1165 (a)](/cfr/46/154.1165.md?p=a), [(b)](/cfr/46/154.1165.md?p=b), [(d)](/cfr/46/154.1165.md?p=d), and [(f)](/cfr/46/154.1165.md?p=f).
  - (32) [Section 154.1170 (b) through (f)](/cfr/46/154.1170.md?p=b..f).
  - (33) Section [154.1200 (a)](/cfr/46/154.1200.md?p=a), [(b)(1)](/cfr/46/154.1200.md?p=b-1), and [(b)(2)](/cfr/46/154.1200.md?p=b-2).
  - (34) [Section 154.1205(f)](/cfr/46/154.1205.md?p=f).
  - (35) [Section 154.1325](/cfr/46/154.1325.md).
  - (36) [Section 154.1335(e)](/cfr/46/154.1335.md?p=e).
  - (37) Section [154.1350 (e)](/cfr/46/154.1350.md?p=e), [(f)](/cfr/46/154.1350.md?p=f), [(i)](/cfr/46/154.1350.md?p=i), [(o)](/cfr/46/154.1350.md?p=o), and [(u)](/cfr/46/154.1350.md?p=u).

## Notes

### Source

Source: CGD 77-069, 52 FR 31626, Aug. 21, 1987, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.