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

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A 4 inch horizontal storm drain runs 120 feet from the last roof leader to the street connection and includes two 90 degree horizontal bends (180 degrees aggregate). Applying the UPC cleanout concept used for horizontal drains, the run needs:

No cleanouts because storm drains are exempt from Chapter 7 A cleanout at the upper terminal, another because the run exceeds 100 feet, and an additional cleanout because aggregate change of direction exceeds 135 degrees Cleanouts only at the street connection A cleanout every 10 feet

Correct Answer:

A cleanout at the upper terminal, another because the run exceeds 100 feet, and an additional cleanout because aggregate change of direction exceeds 135 degrees

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