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

An open street trench must be left overnight. Which project-management / public-safety action is required?

Leave the trench unmarked so drivers will slow down on their own Install MUTCD-compliant channelizing devices, lights or warning as required, steel plates or a backfilled travel lane if specified, and maintain the 811 marks Park a single cone at one end of a 400-foot trench Fill the trench with water so it is more visible

Correct Answer:

Install MUTCD-compliant channelizing devices, lights or warning as required, steel plates or a backfilled travel lane if specified, and maintain the 811 marks

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