3.7.2. EXCAVATION AND CONFIRMATION – PRESSURE RELEASE SWITCHES Confirmation brings with it the threat of activating EO and procedures should be put in place to mitigate this threat, taking into account device construction. This awareness and training will prepare the searcher for effective confirmation.
Image 13. Pressure release switch located under rock
Image 13 shows a multi-switch VOIED with both pressure and pressure release switches. This presents a scenario where if a searcher hasn’t attributed the rock to an IED and not located the other components he / she may lift it up manually, detonating the device. Mitigation for this scenario is threat assessment and the use of thorough visual techniques prior to any positive action during the fingertip search.
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