General Contractor License Construction Safety and OSHA 2

Question 1

Under OSHA's Excavation Standard (29 CFR 1926 Subpart P), what is the maximum depth of a trench before protective systems are required?

Accepted Answer

5 feet

Answer

OSHA requires protective systems (shoring, sloping, or trench boxes) for any excavation 5 feet or deeper.

Question 2

What OSHA standard governs the use of scaffolding on construction sites?

Accepted Answer

29 CFR 1926 Subpart L

Answer

29 CFR 1926 Subpart L specifically addresses scaffolding requirements on construction sites.

Question 3

A competent person inspects an excavation and finds standing water at the bottom. What is the correct action?

Accepted Answer

Remove workers until water is controlled

Answer

OSHA requires workers to be removed from excavations with hazardous conditions such as standing water until the hazard is controlled.

Question 4

What is the minimum distance that excavated spoils (dirt) must be kept from the edge of a trench?

Accepted Answer

2 feet

Answer

OSHA requires spoils and materials to be kept at least 2 feet from the edge of an excavation to prevent cave-ins.

Question 5

Under OSHA's ladder safety standard, what is the required overlap for extension ladders used to access an upper landing surface?

Accepted Answer

3 feet above the landing

Answer

Extension ladders must extend at least 3 feet above the upper landing surface they are used to access.

General Contractor License Practice Test