Chapter 6.6 – Provision for the construction and testing of large packagings
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.294(87) – Adoption of Amendments to the International Maritime Dangerous Goods (IMDG) Code – (Adopted on 21 May 2010) - Annex – Amendments to the International Maritime Dangerous Goods (IMDG) Code - Part 6 – Construction and Testing of Packagings, Intermediate Bulk Containers (IBCs), Large Packagings, Portable Tanks, Multiple-element Gas Containers (MEGCs) and Road Tank Vehicles - Chapter 6.6 – Provision for the construction and testing of large packagings

Chapter 6.6 – Provision for the construction and testing of large packagings

Parent topic: Part 6 – Construction and Testing of Packagings, Intermediate Bulk Containers (IBCs), Large Packagings, Portable Tanks, Multiple-element Gas Containers (MEGCs) and Road Tank Vehicles

6.6.1 General

  6.6.1.2 Replace "and tested" with ", tested and remanufactured" and, at the end, after "each manufactured" insert "or remanufactured large".

6.6.3 Marking

6.6.3.1 Primary marking

  6.6.3.1 (a) Replace the second sentence with the following:

  • "This symbol shall not be used for any purpose other than certifying that a packaging, a portable tank or a MEGC complies with the relevant provisions in chapter 6.1, 6.2, 6.3, 6.5, 6.6 or 6.7.".

6.6.5 Test provisions for large packagings

6.6.5.1 Performance and frequency of test

  6.6.5.1.3 Replace "6.6.5.2.3" with "6.6.5.2.4".

6.6.5.2 Preparation for testing

  6.6.5.2.2 Replace the existing paragraph with the following:

  • "6.6.5.2.2 In the drop tests for liquids, when another substance is used, it shall be of similar relative density and viscosity to those of the substance being transported. Water may also be used for the liquid drop test under the conditions in 6.6.5.3.4.4.".

6.6.5.3 Test provisions

6.6.5.3.4 Drop test

  6.6.5.3.4.4 Drop height

  6.6.5.3.4.4 Replace the existing paragraph with the following:

  • "6.6.5.3.4.4 Drop height

    Note: Large packagings for substances and articles of class 1 shall be tested at the packing group II performance level.

  • 6.6.5.3.4.4.1 For inner packagings containing solid or liquid substances or articles, if the test is performed with the solid, liquid or articles to be transported, or with another substance or article having essentially the same characteristics:

    Packing group I Packing group II Packing group III
    1.8 m 1.2 m 0.8 m

  • 6.6.5.3.4.4.2 For inner packagings containing liquids if the test is performed with water:

    • (a) Where the substances to be transported have a relative density not exceeding 1.2:

    Packing group I Packing group II Packing group III
    1.8 m 1.2 m 0.8 m

    • (b) Where the substances to be transported have a relative density exceeding 1.2, the drop height shall be calculated on the basis of the relative density (d) of the substance to be carried, rounded up to the first decimal, as follows:

      Packing group I Packing group II Packing group III
      d x 1.5 (m) d x 1.0 (m) d x 0.67 (m)
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