Bombs Away - UXO: what is the risk and do we understand it?

More than 70 years have passed since the last bombs of World War Two fell on the UK, yet every year we are still presented with the challenge of disposing of air delivered ordnance, the majority of which are discovered on construction projects.

Recent high profile incidents such as the closure of the A38M Aston Expressway in Birmingham (May 2017) and the closure of London City airport in February 2018 have continued to highlight the considerable risk presented by unexploded ordnance (UXO). In total 11 Explosive Ordnance Disposal Regiment RLC disposed of more than 452 pieces of air delivered ordnance between 2010 and 2017 (up to 1st June)

In recent years CIRIA has produced good practice guidance documents to set and define the process for the management of risks associated with UXO, this includes Unexploded ordnance (UXO) A guide for the construction industry (C681), and Assessment and management of unexploded ordnance (UXO) risk in the marine environment (C754). 

Despite the availability of these guidance documents, construction professionals need to know how and when to factor the hazards of UXO into their projects. This webinar will provide an overview of CIRIA’s work on UXO, and feature a presentation on the continuing risks presented by UXO, asking the question – do we fully understand it.

Why attend?
This webinar will:
  • Discuss progress in UXO risk assessment and management in land projects since the publication of CIRIA report C681 Unexploded ordnance (UXO) A guide for the construction industry in 2009;
  • Outline CIRIA’s new project on UXO and the construction cycle.
  • Showcase good practice;
13:00 An overview of CIRIA’s guidance on UXO. What is needed in the future?
Joanne Kwan, CIRIA
13:15  Unexploded Ordnance – what is the risk? Do we understand it? 
                Marc Owen, Senior planner and UXO risk specialist
Covered in Marc's presentation:
               - Does WW2 UXO still pose a risk on site?
               - How does the risk of UXO compare with other risks?
               - What is the probability of finding UXO on sites?
               - What should we do about it?
13:45 Q&A
14:00 Close
Who should attend?
Developers for land projects. house builders, consultants, contractors, local authorities, UXO specialists.

17 May 2018
1 - 2pm

This webinar is free for CIRIA members
£35 + VAT for non-members

Joining instructions will be sent after registration. If you are experiencing issues registering for this event online please contact us on 020 7549 3300  or email  

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Further information
For further information on CIRIA membership and other services, please contact:
Tel: 020 7549 3300
Fax: 020 7549 3349
17/05/2018 - 17/05/2018

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