Construction Safety and OSHA Flashcards
7 cards from real General Contractor License practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Construction Safety and OSHA flashcards as text
Under OSHA's Excavation Standard (29 CFR 1926 Subpart P), what is the maximum depth of a trench before protective systems are required?
Answer: 5 feet
OSHA requires protective systems (shoring, sloping, or trench boxes) for any excavation 5 feet or deeper.
What OSHA standard governs the use of scaffolding on construction sites?
Answer: 29 CFR 1926 Subpart L
29 CFR 1926 Subpart L specifically addresses scaffolding requirements on construction sites.
A competent person inspects an excavation and finds standing water at the bottom. What is the correct action?
Answer: Remove workers until water is controlled
OSHA requires workers to be removed from excavations with hazardous conditions such as standing water until the hazard is controlled.
What is the minimum distance that excavated spoils (dirt) must be kept from the edge of a trench?
Answer: 2 feet
OSHA requires spoils and materials to be kept at least 2 feet from the edge of an excavation to prevent cave-ins.
Under OSHA's ladder safety standard, what is the required overlap for extension ladders used to access an upper landing surface?
Answer: 3 feet above the landing
Extension ladders must extend at least 3 feet above the upper landing surface they are used to access.
Which OSHA standard requires employers to conduct a job hazard analysis before beginning certain construction tasks?
Answer: 29 CFR 1926.21
29 CFR 1926.21 requires employers to instruct workers in the recognition and avoidance of hazards, which includes job hazard analysis.
What is the maximum noise exposure level allowed by OSHA for an 8-hour workday without hearing protection?
Answer: 90 dBA
OSHA's permissible exposure limit for noise is 90 dBA for an 8-hour time-weighted average.