Construction Site Safety Basics Flashcards
6 cards from real NCCER practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Construction Site Safety Basics flashcards as text
What is the minimum distance that workers must maintain from overhead power lines when operating equipment?
Answer: 10 feet
OSHA requires a minimum clearance of 10 feet from overhead power lines for workers and equipment operating near lines of 50kV or less. This distance increases for higher voltages.
Which type of fire extinguisher is appropriate for fires involving energized electrical equipment?
Answer: Class C — dry chemical or CO2
Class C fire extinguishers use non-conductive agents like dry chemical or carbon dioxide, making them safe to use on fires involving energized electrical equipment.
What is the purpose of a safety stand-down on a construction site?
Answer: To provide a focused period for safety training and hazard awareness discussions
A safety stand-down is a voluntary pause in work where employers talk directly with workers about safety, reinforce hazard awareness, and discuss specific risks relevant to the job site.
When must a competent person perform a site inspection on a construction project?
Answer: At the beginning of each work shift and after any event that could affect conditions
A competent person must inspect the work site at the start of each shift and after any occurrence (such as a storm or equipment failure) that could create new hazards for workers.
What is the leading cause of death on construction sites according to OSHA's Fatal Four?
Answer: Falls
Falls consistently account for the highest number of fatalities in the construction industry, making fall prevention the top safety priority according to OSHA's Fatal Four statistics.
What does the term 'housekeeping' refer to in construction site safety?
Answer: Maintaining an organized and clean work area free of debris and tripping hazards
Construction site housekeeping means keeping work areas organized, clean, and free of unnecessary materials, debris, and hazards that could cause slips, trips, or falls.