Image 6. This image shows excavation depth in relation to Image 5
EXCAVATION FUNDAMENTAL 2 – EXCAVATION TO CONFIRM THE NATURE OF THE SUSPECT SIGNAL
The excavation should initially be to a required depth determined by the MA operator and approved by the NMAA based on the operational threat assessment. Once this depth is achieved excavation can start towards the suspect signal. • The excavation should be conducted in a manner that decreases the risk of inadvertently interacting with IED components. If tools are required, then they must be tested and approved for the task. • The depth of the excavation should allow the searcher to uncover any components without any undue pressure being exerted onto possible pressure-activated switches. • The excavation channel should allow the hand to progress towards the signal without exerting force on either side. It is recommended that the channel should be at least a hand’s width, or 10 cm, wide.
ׁ WARNING. It is often the case that as the excavation of the channel progresses, it inadvertently becomes narrower. This should be mitigated through good staff training and monitoring.
• The searcher should make every attempt to reduce their exposure to the suspected item. It is recommended that the excavation is conducted in a prone position, with one arm tucked under the torso, the torso and head remaining in a cleared area and without the searcher extending their reach to an uncomfortable distance.
Temporary marker
Image 7. Here a temporary marker is placed to indicate the centre mass of the suspect signal
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