Container weighing

Let Strainstall take the weight off your mind

As of the 1 July 2016 it is now a legal requirement for every export container to have a verified container weight as a condition for loading aboard a vessel.


The International Marine Organisation (IMO)'s amendments to the Safety of Life at Sea (SOLAS) maritime treaty have been implemented as a measure to reducing the number of incidents caused by containers whose weights have been miscalculated or misdeclared.

The IMO provide two approved methods in determining the weight of a container:

  • Method one - weighing the loaded container
  • Method two - weighing the contents of the container and adding those weights to the containers tare weight

James Fisher Strainstall's container weighing solutions

James Fisher Strainstall (JF Strainstall) has developed two container weighing solutions that will help all regulated parties within the container supply chain (shippers, carriers, terminal operators) achieve full compliance to the amended SOLAS regulations.

The Container Weight System (CWS)™ seamlessly integrates load monitoring technology onto existing container handling equipment to deliver accurate weight verification data as part of the regular lifting cycle within ports and terminals.

CWS™ has now successfully achieved full EU-type approval from the National Measurements and Regulatory Office.

CWS™ Portable is a lightweight, easy to use and fully transportable container weighing solution for the freight forwarding industry.

JF Strainstall's container weighing white papers

Dubbed 'the leading light in container weighing' by Port Technology International during the build up to the new IMO SOLAS regulations coming into force in 2016, Strainstall published two technical papers outlining the pathway to container VGM compliance, clarifying the technical and commercial options available as well as presenting a cost-effective, robust and accurate solution.

How to achieve fast, accurate and commercially viable SOLAS compliance (2016)

The 2016 paper sets-out, while the shipper is ultimately responsible for VGM declaration, ports and terminals offer a natural environment for container VGM solutions to be implemented with packed containers already being lifted as part of normal operations. The provision of this service by ports and terminals provides a very clear opportunity to offer an additional added value commercial service, while a failure to do so will be disruptive and costly to operations.

Download the 2016 paper

Taking the load off: technology options, costs and opportunities for the implementation of container weight verification (2013)

This paper is an objective assessment of the key issues facing regulators and for port and terminal operators in the implementation of robust and cost-effective solutions for accurate, repeatable, and seamless integration of weight verification technology.

Download the 2013 paper

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