Strategies for construction hazard recognition



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STRATEGIES FOR CONSTRUCTION HAZARD RECOGNITION
Dynamic worksite
• Site Conditions
Changes in scope
• Tasks undertaken
Equipment and tools
.
• Others Hazard stimuli detection Alertness Search Selective attention extraction Pattern recognition Hazard identification Hazard Management Experience Knowledge












Figure 2: Hazard identification and management process





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Design and implementation protocol of the HIT board
The Hazard identification and Transmission (HIT) board, shown in Figure 3, took the form of ax inch display board with magnetic recall-cue display components representing each of the energy sources presented in Tabe1. The board was supported by a rigid four-legged stand, and was provided with a transparent waterproof screen. The board was intended to facilitate the pre- task safety planning process during which workers review each energy source to identify potential hazards that maybe encountered during work. Unlike traditional strategies, the HIT board also permits workers to identify and communicate additional hazards that become evident as the work progresses. Thus, this method effectively and proactively promotes hazard recognition and hazard communication while also drastically reducing challenges associated with precisely predicting work-tasks and associated hazards. In order to effectively use the HIT board, the following protocol was developed through questionnaire survey instruments and with input from the expert panel through brainstorming sessions
1.
Identify the Job
: The tasks for the day should be adequately identified and divided into sub-activities, discussing the sequential order of operations.
2.
Tools and Environmental Conditions
: Tools/Equipment required to accomplish the sub- tasks must be identified and listed on the HIT board. Workplace conditions should also be noted.


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