Dangerous Goods by Road
Where ventilation is required bulk containers shall be equipped with means of air exchange, either by
natural convection, e.g. by openings, or active elements, e.g. fans. The ventilation shall be designed to
prevent negative pressures in the container at all times. Ventilating elements of bulk containers for the
carriage of flammable substances or substances emitting flammable gases or vapours shall be
designed so as not to be a source of ignition.
Inspection and testing
Containers used, maintained and qualified as bulk containers in accordance with the requirements of
this section shall be tested and approved in accordance with the CSC.
Containers used and qualified as bulk containers shall be inspected periodically according to the CSC.
Marking
Containers used as bulk containers shall be marked with a Safety Approval Plate in accordance with
the CSC.
Requirements for the design, construction and approval of BK1 or BK2 bulk containers other than containers conforming to the CSC
NOTE: When containers conforming to the provisions of this section are used for the carriage of
solids in bulk, the following statement shall be shown on the transport document:
"Bulk container BK(x) approved by the competent authority of ……". (see 5.4.1.1.17)".
Bulk containers covered in this section include skips, offshore bulk containers, bulk bins, swap bodies,
trough shaped containers, roller containers, and load compartments of vehicles.
NOTE: These bulk containers also include containers conforming to the UIC leaflets 591, 592 and
592-2 to 592-4 as mentioned in 7.1.3 which do not conform to the CSC.
These bulk containers shall be designed and constructed so as to be strong enough to withstand the
shocks and loadings normally encountered during carriage including, as applicable, transhipment
between modes of transport.
(Reserved)
These bulk containers shall be approved by the competent authority and the approval shall include the
code for designating types of bulk containers in accordance with 6.11.2.3 and the requirements for
inspection and testing as appropriate.
Where it is necessary to use a liner in order to retain the dangerous goods it shall meet the provisions
of 6.11.3.1.3.
Requirements for the design, construction, inspection and testing of BK3 flexible bulk containers
Design and construction requirements
Flexible bulk containers shall be sift-proof.