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

DIPRA’s trench-bottom requirement for ductile-iron pipe is that the bottom be:

True and even so the barrel has soil support for its full length, with only small bell holes at the joints A series of rock points so the pipe cannot roll Left full of water to float the pipe into grade Sloped at 1½:1 like a Type C OSHA wall

Correct Answer:

True and even so the barrel has soil support for its full length, with only small bell holes at the joints

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