AL Tunnel Practice Questions - Alabama Tunnel Contractor Examination Exam

Why is ground-settlement monitoring specified near buildings and utilities above a soft-ground tunnel?

To replace face-pressure control on an EPB machine To determine the OSHA gassy classification To set the legal One-Call ticket length To detect movement with surface points, inclinometers, or similar instruments so the contractor can adjust excavation or support before damage occurs

Correct Answer:

To detect movement with surface points, inclinometers, or similar instruments so the contractor can adjust excavation or support before damage occurs

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