Overweight / Overloaded Overloaded A CTU where the combined mass of the cargo and the CTU is greater than the maximum permitted gross mass. Overweight A CTU where the combined mass of the cargo and the CTU is less than the maximum permitted gross mass but exceeds either: • The maximum gross mass shown on the transport/shipping documents; or • The road or rail maximum masses when combined with the tare of the container carrying vehicle. Misdeclared gross mass A CTU where the combined mass of the cargo and the CTU is different from the mass declared on the transport/shipping documents. See also overloaded and overweight

Overweight containers Frequency of Gross Mass 2010 / 2011 124,760 Mean gross mass (tonnes) 20ft 40ft 17.391 17.325 2013 / 2014 97,325 Mean gross mass (tonnes) 20ft 40ft 16.740 21.017

Eccentric packing The packer is required to ensuring that the cargo is correctly distributed in the CTU and properly supported where necessary;

Eccentric packing With the block closest the end the eccentricity is 3%, with it towards the middle it is less than 1%

Eccentric packing

Preparation and Planning With the block closest the end the eccentricity is 3%, with it towards the middle it is less than 1%

Preparation and Planning With the block closest the end the eccentricity is 3%, with it towards the middle it is less than 1%

distributed in the CTU; Cargo is correctly distributed in the CTU; Chapter 9 - Packing cargo into CTUs Section 9.1 – Planning of packing; and Annex 7 – Packing and securing cargo into CTUs Sub-section 3.1 - Load distribution

distributed in the CTU; Cargo is correctly distributed in the CTU;

when mounted on a semi-trailer Load distribution when mounted on a semi-trailer the centre of gravity should be correctly positioned; semi-trailer stability.