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

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What is the main reason to avoid undercutting the edge of a pavement or structure without proper support during sewer trenching?

Undercutting always improves subgrade strength Loss of support can cause pavement collapse or structural damage and endanger workers OSHA requires undercutting on every job Undercutting reduces the need for bedding

Correct Answer:

Loss of support can cause pavement collapse or structural damage and endanger workers

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