Hazard Identification on Sites Flashcards

What colour are mandatory safety signs?

Answer: Blue and white

Mandatory signs are circular with a blue background and white symbol, indicating an action that must be taken.

What colour are warning signs on a construction site?

Answer: Yellow with a black triangle and symbol

Warning signs are triangular with a yellow background, black border, and black symbol, alerting workers to a potential hazard.

What is a biological hazard on a construction site?

Answer: Leptospirosis from rat urine in standing water

Leptospirosis (Weil's disease) is a biological hazard caused by bacteria found in rat urine, commonly found in standing water or wet soil on construction sites.

What is an ergonomic hazard?

Answer: A workplace condition that can cause musculoskeletal injury from poor posture or repetitive motion

Ergonomic hazards relate to how work tasks, equipment, and workstations interact with the human body, potentially causing musculoskeletal injuries.

Which of the following best describes a 'near miss'?

Answer: An incident that could have caused injury but did not

A near miss is an unplanned event that had the potential to cause injury or damage but did not, often due to luck rather than safety measures.

Why should near misses be reported on construction sites?

Answer: To identify hazards and prevent future accidents

Reporting near misses helps identify hazards and unsafe conditions so corrective action can be taken before a serious accident occurs.