PE Civil Practice: Determining Permissible Slope in Excavations According to OSHA Guidelines

NCEES Civil PE Specification Health and Safety: OSHA construction and industry regulations and safety management

Problem

In a scheduled 14-foot-deep excavation where the soil has an unconfined compressive strength of 3,400 psf and will be subjected to vibrations from pile driving operations, what is the OSHA-prescribed permissible slope (H:V)?

Select an Answer:

A) 3/4 : 1
B) 1 : 1
C) 1.5 : 1
D) 0.5 : 1

Soil Type	H : V	Slope Angle (deg)
Type A	0.75 : 1	53
Type B	1 : 1	45
Type C	1.5: 1	34

Practice Question: Determining Permissible Slope in Excavations According to OSHA Guidelines

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