3D Chirp Survey to Scan for Potential Unexploded Ordnance

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This contractor has been systematically clearing the dock of all potential UXO (unexploded ordnance) by diving and investigating
targets which have been identified as a potential UXO from a detailed 3D surface scan to ensure any operation that takes place in the dock over the coming years has no risk of accidently dislodging/damaging/setting off a potential ordinate.

A 3D Chirp survey with a seismic, multi beam echo sounder and side scan has been used to scan the dock bed. This is unusual for a construction project where uxo investigations usually involves a watch and brief and uxo probing for pile locations. The 3D surface scan is off-shore industry leading technology used to safely identify objects within the water.

They have utilised this scan in a novel way by combining archeological exploration and unexploded ordinance exploration without any need to excavate or disturb the ground, this protects both the user from potential danger from ordinates but also any potential artefacts.

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Information provided by Lendlease Construction Holdings

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About this entry

Published 5 July 2023
Views 566

Categories
Inspection and corrective action, Periodic inspection and clean-up of boundaries, Specialist input,

Size of site
Medium,

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Best practice,

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Jack Endean
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