NM CID GF-9 Practice Questions - New Mexico CID GF-9 Utility Lines Contractor Examination Exam

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Which equipment pair is generally most appropriate for an urban 8-foot-deep, 3-foot-wide water-main trench with a trench box?

A 12-foot-wide scrapers spread and a large dozer pushing spoil across live traffic A hydraulic excavator matched to the box width and trucks or a loader for spoil, plus a plate compactor or rammer in the pipe zone A motor grader as the only excavating machine A tower crane with a clamshell as the only tool

Correct Answer:

A hydraulic excavator matched to the box width and trucks or a loader for spoil, plus a plate compactor or rammer in the pipe zone

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