Module 3: OSHA Focus Four Hazards Answers Question Answer What is the leading cause of fatalities in construction? Falls In free fall, how far can a body travel in 0.5 seconds? 4 feet In free fall, how far can a body travel in 1 second? 16 feet In free fall, how far can a body travel in 2 seconds? 64 feet In free fall, how far can a body travel in 3 seconds? 144 feet When do you need fall protection? When the exposure is 6 feet or more What’s the first step for fall prevention? Employer determining that the walk surfaces have the strength to support workers What systems should be provided at a leading edge of 6 feet or more? 1. Guard rail system<br>2. Safety net system<br>3. Fall arrest system Steps to create a safe job site from falls? 1. Inspect the job site and work surfaces for hazards<br>2. Determine that the work surfaces are strong<br>3. You find that Question Answer work must be done near a 6 foot edge<br>4. Have guard rail systems constructed and inspected<br>5. Select and inspect the personal fall arrest system and make sure workers know how to use them<br>6. Begin work and ensure workers follow safe procedures What’s required over covered walkways of at least 6 feet deep? Guardrails What is required for hoisting areas if the guardrail has to be removed to hoist? Personal fall arrest system What do you need around dangerous equipment? Guardrails What is a Safety Monitoring System? A competent person responsible for recognizing and warning employees of fall hazards What is a Warning Line System? Barrier erected on a roof to warn workers that they are approaching an unprotected edge When do you protect window openings? When they are at least 6 feet high and the bottom edge is less than 39 inches above walking height
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