NM CID MM-1 Practice Questions - New Mexico CID MM-1 Plumbing Examination Exam

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Where ponding on a roof would result if the primary roof drainage were blocked, UPC 2021 requires secondary (overflow) roof drainage that:

Tees into the primary leader one size larger than the primary Is independent of the primary system and discharges to an approved location that makes overflow visible Connects to the sanitary building drain through a trap May be omitted if the primary leaders are cast iron

Correct Answer:

Is independent of the primary system and discharges to an approved location that makes overflow visible

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