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

Many NMDOT and municipal trench-patch details widen the asphalt replacement beyond the trench (a T-section). Why?

To hide poor backfill by paving a larger area of loose soil To seat the new HMA on undisturbed pavement structure outside the trench so the joint is not directly over the vertical trench wall To satisfy the OSHA 2-foot spoil setback To replace the need for tack coat

Correct Answer:

To seat the new HMA on undisturbed pavement structure outside the trench so the joint is not directly over the vertical trench wall

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