NM CID GS-9 Practice Questions - New Mexico CID GS-9 Elevators, Escalators And Conveyors Examination Exam

ASME A17.1-2019 Requirement 6.1.3.5.2 requires an escalator step-tread width to be within which range?

300 mm to 450 mm (12 in. to 18 in.) 560 mm to 1 020 mm (22 in. to 40 in.) 1 200 mm to 1 500 mm (47 in. to 59 in.) Any width the architect selects

Correct Answer:

560 mm to 1 020 mm (22 in. to 40 in.)

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