
Infrastructure Corridor — Linear Works
Segmented UXO mitigation strategy for a utility installation crossing areas of historical military training. The scope was proportionate, localised, and fully CDM compliant.
The challenge
S.I UXO was engaged to support linear works crossing areas of historical military training and wartime infrastructure. A Detailed UXO Risk Assessment identified variable risk levels along the route, requiring a segmented mitigation strategy rather than a one-size-fits-all approach.
Our approach
S.I UXO implemented walked and towed magnetometer surveys to screen accessible areas and provided UXO engineer supervision during intrusive works in constrained sections where survey coverage was limited. The segmented approach ensured that mitigation measures were proportionate to the actual risk at each point along the corridor.
The outcome
- Proportionate UXO mitigation tailored to localised risk
- No unplanned stoppages or emergency call-outs
- Safe completion of works within a live operational environment
- Full compliance with CDM and CIRIA C681 guidance
More case studies.

Bath Street / Construction / Development
UXO Identification and Controlled Excavation — Bath Street
Full-cycle UXO management from desk study through CPT investigation to the confirmed identification and safe management of a WWII SC50 Luftwaffe aerial bomb, delivered entirely in-house.

North West England / Mixed-use Redevelopment
Time-Critical Enabling Works
Rapid deployment of UXO supervision for enabling works under a compressed programme, with zero downtime and strong H&S outcomes despite short-notice appointment.

Midlands / Commercial
Greenfield Development with Deep Foundations
CPT-based intrusive UXO detection integrated with a geotechnical investigation on a site where historical analysis revealed undocumented bombing risk in an apparently low-risk rural setting.
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- CIRIA C681-compliant reports
- Delivered within 24 hours
- Senior engineers, start to finish
