Florida General Contractor Florida General Contractor Safety and OSHA Regulations 2 — Questions and Answers
Question 1: What is the maximum allowable slope for a supported scaffold before additional bracing is required?
- 1:4
- 1:3 (Correct answer)
- 1:2
- 1:1
Correct answer: 1:3
OSHA requires additional bracing when a supported scaffold's base is inclined beyond a 1:3 slope ratio.
Question 2: Which of the following personal protective equipment (PPE) is mandatory for workers operating near energized electrical lines on a Florida construction site?
- Steel-toed boots
- Insulating rubber gloves rated for the voltage (Correct answer)
- Hard hat only
- High-visibility vest
Correct answer: Insulating rubber gloves rated for the voltage
Workers near energized electrical lines must wear insulating rubber gloves rated for the voltage level present to protect against electrocution.
Question 3: Under OSHA trenching standards, a trench more than 5 feet deep requires which protective measure?
- Warning tape along the perimeter
- Protective system such as sloping, shoring, or trench box (Correct answer)
- A licensed engineer on-site at all times
- Confined space entry permit only
Correct answer: Protective system such as sloping, shoring, or trench box
OSHA mandates a protective system—sloping, shoring, or a trench box—for any trench deeper than 5 feet.
Question 4: What is the minimum safe approach distance from overhead power lines for uninsulated equipment operating at 50 kV or below?
- 3 feet
- 10 feet (Correct answer)
- 15 feet
- 20 feet
Correct answer: 10 feet
OSHA requires a minimum safe approach distance of 10 feet for uninsulated equipment or workers near power lines up to 50 kV.
Question 5: Which chemical is commonly used in concrete work and is considered a serious skin hazard requiring PPE on Florida job sites?
- Acetone
- Portland cement (alkaline) (Correct answer)
- Mineral spirits
- Polyurethane sealant
Correct answer: Portland cement (alkaline)
Portland cement is highly alkaline and can cause severe skin burns and dermatitis, requiring gloves and protective clothing.
Question 6: In Florida, when must a contractor conduct a pre-task safety analysis (JSA) for high-hazard operations?
- Only when OSHA orders it
- Before beginning any task identified as high-hazard (Correct answer)
- After an incident occurs
- At the end of each work week
Correct answer: Before beginning any task identified as high-hazard
Best practice and many Florida project specifications require a Job Safety Analysis (JSA) to be completed before starting any high-hazard task.
Florida General Contractor Florida General Contractor Safety and OSHA Regulations 2
What is the maximum allowable slope for a supported scaffold before additional bracing is required?