USE OF MOBILE EXPLOSIVES MANUFACTURING UNITS (MEMUs)
NOTE 1: For packagings, see Chapter 4.1; for portable tanks, see Chapter 4.2; for fixed tanks (tank vehicles),
demountable tanks, tank-containers and tank swap bodies with shells made of metallic materials, see
Chapter 4.3; for fibre-reinforced plastics (FRP) tanks, see Chapter 4.4; for vacuum operated waste
tanks, see Chapter 4.5.
NOTE 2: For requirements concerning construction, equipment, type approval, tests and marking, see
Chapters 6.7, 6.8, 6.9, 6.11 and 6.12.
Substances of Classes 3, 5.1, 6.1 and 8 may be carried on MEMUs conforming to Chapter 6.12, in
portable tanks if their carriage is permitted according to Chapter 4.2; or in fixed tanks, demountable
tanks, tank containers or tank swap bodies if their carriage is permitted according to Chapter 4.3; or in
fibre-reinforced plastics (FRP) tanks if their carriage is permitted according to Chapter 4.4; or in bulk
containers, if their carriage is permitted according to Chapter 7.3.
Subject to the approval of the competent authority (see 18.104.22.168.3) explosive substances or articles of
Class 1 may be carried in packages, in special compartments conforming to section 6.12.5, if their
packaging is permitted according to Chapter 4.1 and their carriage is permitted according to Chapter
7.2 and 7.5.
The following provisions apply for operation of tanks according to Chapter 6.12:
(a) For tanks with a capacity of 1 000 litres or more, the provisions of Chapter 4.2, Chapter 4.3,
except 22.214.171.124, 126.96.36.199.1, 4.3.3 and 4.3.4, or Chapter 4.4 apply to the carriage on MEMUs, and
are supplemented by the provisions of 188.8.131.52 , 184.108.40.206 and 220.127.116.11 below.
(b) For tanks with a capacity of less than 1 000 litres, the provisions of Chapter 4.2, Chapter 4.3,
except 18.104.22.168, 22.214.171.124, 126.96.36.199.1, 4.3.3 and 4.3.4, or Chapter 4.4 apply to the carriage on
MEMUs, and are supplemented by the provisions of 188.8.131.52, 184.108.40.206 and 220.127.116.11 below.
The thickness of the walls of the shell shall not, throughout its use, fall below the minimum figure
prescribed in the appropriate construction requirements.
Flexible discharge pipes, whether permanently connected or not, and hoppers shall be empty of mixed
or sensitised explosive substances during carriage.
When applicable to carriage in tanks, the special provisions (TU) of 4.3.5 shall also apply as indicated
in Column (13) of Table A in Chapter 3.2.
Operators shall ensure that the locks specified in 9.8.8 are used during carriage.
Application and general provisions
This Part sets forth the provisions for dangerous goods consignments relative to marking, labelling,
and documentation, and, where appropriate, authorization of consignments and advance notifications.
Use of overpacks