IMSA Construction & Contractor Safety Management 1 — Questions and Answers
Question 1: Under OSHA 29 CFR 1926.502, what is the required height at which fall protection must be provided for workers on construction sites in the US?
- 4 feet
- 6 feet (Correct answer)
- 8 feet
- 10 feet
Correct answer: 6 feet
OSHA 1926.502 requires fall protection for construction workers at elevations of 6 feet or more above a lower level.
Question 2: When a host employer hires contractors to perform work on-site, which of the following best describes the host employer's safety responsibility?
- The host employer has no responsibility once the contract is signed
- The host employer must inform contractors of site-specific hazards and verify contractor safety programs (Correct answer)
- Only OSHA is responsible for contractor safety
- The contractor assumes all liability and the host employer is fully exempt
Correct answer: The host employer must inform contractors of site-specific hazards and verify contractor safety programs
Host employers must communicate site-specific hazards to contractors and verify that contractor safety programs meet applicable standards before work begins.
Question 3: Which OSHA standard specifically governs safety and health standards for the construction industry?
- 29 CFR 1910
- 29 CFR 1926 (Correct answer)
- 29 CFR 1904
- 29 CFR 1903
Correct answer: 29 CFR 1926
29 CFR 1926 is OSHA's Safety and Health Regulations for Construction, applicable to all construction work in the US.
Question 4: What is a 'pre-task plan' (also called a Job Hazard Analysis or JHA) used for in construction safety?
- To schedule equipment deliveries
- To identify hazards and controls for a specific task before work begins (Correct answer)
- To document worker training hours
- To calculate material quantities needed for the job
Correct answer: To identify hazards and controls for a specific task before work begins
A pre-task plan or JHA systematically identifies hazards associated with a specific task and documents controls to eliminate or minimize those hazards before work starts.
Question 5: Under OSHA's multi-employer citation policy, which type of employer can be cited for a hazard they did not create but that exposes their employees?
- Creating employer only
- Controlling employer only
- Exposing employer (Correct answer)
- Correcting employer only
Correct answer: Exposing employer
An exposing employer — one whose employees are exposed to a hazard — can be cited under OSHA's multi-employer policy even if another employer created the hazard.
Question 6: What minimum head protection standard must hard hats on US construction sites meet?
- ANSI/ISEA Z89.1 (Correct answer)
- ASTM F1446
- NFPA 70E Annex H
- ISO 3873
Correct answer: ANSI/ISEA Z89.1
OSHA requires construction site hard hats to meet ANSI/ISEA Z89.1, which specifies performance requirements for industrial head protection.
IMSA Construction & Contractor Safety Management 1
Under OSHA 29 CFR 1926.502, what is the required height at which fall protection must be provided for workers on construction sites in the US?