AL Water Projects Practice Questions - Alabama Water Projects Contractor Examination Exam

OSHA Type A soil is cohesive material with an unconfined compressive strength of at least:

1.5 tons per square foot, and only if it is not fissured, vibrating, previously disturbed, or seeping 0.5 tons per square foot in any condition 5.0 tons per square foot whether or not it is submerged No strength requirement if the trench is less than 20 feet

Correct Answer:

1.5 tons per square foot, and only if it is not fissured, vibrating, previously disturbed, or seeping

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