3.6.1. FUNDAMENTALS FOR MARKING PROGRESSION OF MANUALLY SEARCHED AREAS
Image 2. Searcher progressing into a structure
The progression marking system should:
• Be thoroughly briefed, alongside general task site markings, to all team members and associated people such as visitors and members of the local community.
• Be easily recognisable against the backdrop of the environment.
• Alternatives should be available for problematic areas such as inside buildings, where there is low light or uneven ground, or areas of ascent (such as staircases) or access (raised platforms or tunnels).
The progression markers:
• Can be temporary in nature and should be reinforced at regular intervals.
• Should be easily moveable by the searcher.
• Should not be unduly influenced by weather conditions. For example, ‘mine tape’ can be disturbed easily during windy conditions.
Search core skills and procedures
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