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Can any container be used as a load-bearing structure for a building? It is crucial that when a container is used as a load-bearing structure (i.e. it is the primary frame holding the building up), it is designed and specified accordingly by a professional structural engineer to meet code and UBBL requirements. Even if it is only a temporary structure, it should be designed, specified and built to be safe for occupancy and its intended use.
What is normally used
Offshore freight containers
Typical dimensions
40’ container 40’ L x 8’ W x 8’ H (12.19m L x 2.44m W x 2.44m H)
20’ container 20’ L x 8’ W x 8’ H (6.1m L x 2.44m W x 2.44m H)
Standard code of practice
BS EN 12079-1:2006 Offshore containers and associated lifting sets. Design, manufacture and marking.
DNV 2.7-1 DNV Certication Note 2.7-1 Offshore freight container.
Requirements for using a container for structural purposes
The container has to have its structural drawings with certification confirming compliance with the standard code of practice.
The drawings must show:
Which part of the container is load-bearing
The container structure can be reinforced with additional steel elements to increase its capacity, as needed for the intended use and form.
How should the structural design be undertaken
The design should be undertaken using the information obtained from the structural drawings and documentation supplied with the container.
First published in October 2015 l Rev 01 l July 2021 l © ohr 2015 - 2021
Disclaimer
ohr notes are designed and intended for built environment stakeholders who are not structural engineers, as general information in summary form on engineering topics, current at the time of publication, for general information purposes only. The material may not be applicable in all situations. The contents do not constitute professional advice, are not intended to be a substitute for professional advice and should not be relied upon as such. You should seek professional advice in relation to any particular matters you or your project may have.