Chapter 19 — Summary of Minimum Requirements
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Statutory Documents - IMO Publications and Documents - International Codes - 2014 IGC Code - International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk - Chapter 19 — Summary of Minimum Requirements

Chapter 19 — Summary of Minimum Requirements

Explanatory notes to the summary of minimum requirements
Product name The product name shall be used in the shipping document for any cargo offered for bulk shipments. Any additional name may be included in brackets after the product name. In some cases, the product names are not identical with the names given in previous issues of the Code.
(column a)
(column b) Deleted
Ship type 1: Ship type 1G (2.1.2.1)
(column c) 2: Ship type 2G (2.1.2.2)
  3: Ship type 2PG (2.1.2.3)
  4: Ship type 3G (2.1.2.4)
Independent tank type C required Type C independent tank (4.23)
(column d)
Tank environmental control Inert: Inerting (9.4)
(column e) Dry: Drying (17.7)
  - : No special requirements under the Code
Vapour detection F: Flammable vapour detection
(column f) T: Toxic vapour detection
  F+T: Flammable and toxic vapour detection
  A: Asphixiant
Gauging I: Indirect or closed (13.2.3.1 and .2)
(column g) R: Indirect, closed or restricted (13.2.3.1, .2, .3 and .4)
  C: Indirect or closed (13.2.3.1, .2 and .3)
(column h) Deleted
Special requirements When specific reference is made to chapters 14 and/or 17, these requirements shall be additional to the requirements in any other column.
(column i)
Refrigerant gases Non-toxic and non-flammable gases

 Unless otherwise specified, gas mixtures containing less than 5% total acetylenes may be transported with no further requirements than those provided for the major components.

a b c d e f g h i
Product name   Ship type Independent tank type C required Control of vapour space within cargo tanks Vapour detection Gauging   Special requirements
Acetaldehyde   2G/2PG — Inert F + T C   14.4.3, 14.3.3.1, 17.4.1, 17.6.1
Ammonia, anhydrous   2G/2PG — — T C   14.4, 17.2.1, 17.12
Butadiene (all isomers)   2G/2PG — — F + T C   14.4, 17.2.2, 17.4.2, 17.4.3, 17.6, 17.8
Butane (all isomers)   2G/2PG — — F R    
Butane-propane mixture   2G/2PG — — F R    
Butylenes (all isomers)   2G/2PG — — F R    
Carbon Dioxide (high purity)   3G — — A R   17.21
Carbon Dioxide (Reclaimed quality)   3G — — A R   17.22
Chlorine   1G Yes Dry T I   14.4, 17.3.2, 17.4.1, 17.5, 17.7, 17.9, 17.13
Diethyl ether *   2G/2PG — Inert F + T C   14.4.2, 14.4.3, 17.2.6, 17.3.1, 17.6.1, 17.9, 17.10, 17.11.2, 17.11.3
Dimethylamine   2G/2PG — — F + T C   14.4, 17.2.1
Dimethyl Ether   2G/2PG — — F + T C    
Ethane   2G — — F R    
Ethyl Chloride   2G/2PG — — F + T C    
Ethylene   2G — — F R    
Ethylene oxide   1G Yes Inert F + T C   14.4, 17.2.2, 17.3.2, 17.4.1, 17.5, 17.6.1, 17.14
Ethylene oxide-propylene oxide mixtures with ethylene oxide content of not more than 30% by weight*   2G/2PG — Inert F + T C   14.4.3, 17.3.1, 17.4.1, 17.6.1, 17.9, 17.10, 17.18
Isoprene* (all isomers)   2G/2PG — — F R   14.4.3, 17.8, 17.9, 17.11.1
Isoprene (part refined)*   2G/2PG — — F R   14.4.3, 17.8, 17.9, 17.11.1
Isopropylamine*   2G/2PG — — F + T C   14.4.2, 14.4.3, 17.2.4, 17.9, 17.10, 17.11.1, 17.15
Methane (LNG)   2G — — F C    
Methyl acetylene-propadiene mixtures   2G/2PG — — F R   17.16
Methyl bromide   1G Yes — F + T C   14.4, 17.2.3, 17.3.2, 17.4.1, 17.5
Methyl chloride   2G/2PG — — F + T C   17.2.3
Mixed C4 Cargoes   2G/2PG — — F + T C   14.4, 17.2.2, 17.4.2, 17.4.3, 17.6, 17.20
Monoethylamine*   2G/2PG — — F + T C   14.4, 17.2.1, 17.3.1, 17.9, 17.10, 17.11.1, 17.15
Nitrogen   3G — — A C   17.17
Pentane (all isomers)*   2G/2PG — — F R   17.9, 17.11
Pentene (all isomers)*   2G/2PG — — F R   17.9, 17.11
Propane   2G/2PG — — F R    
Propylene   2G/2PG — — F R    
Propylene oxide*   2G/2PG — Inert F + T C   14.4.3, 17.3.1, 17.4.1, 17.6.1, 17.9, 17.10, 17.18
Refrigerant gases   3G — — — R    
Sulphur dioxide   1G Yes Dry T C   14.4, 17.3.2, 17.4.1, 17.5, 17.7
Vinyl chloride   2G/2PG — — F + T C   14.4.2, 14.4.3, 17.2.2, 17.2.3, 17.3.1, 17.6, 17.19
Vinyl ethyl ether*   2G/2PG — Inert F + T C   14.4.2, 14.4.3, 17.2.2, 17.3.1, 17.6.1, 17.8, 17.9, 17.10, 17.11.2, 17.11.3
Vinylidene chloride*   2G/2PG — Inert F + T C   14.4.2, 14.4.3, 17.2.5, 17.6.1, 17.8, 17.9, 17.10

 * This cargo is also covered by the IBC Code.

Parent topic: 2014 IGC Code - International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk
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