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C101.2.3 Nonstructural cold-formed steel wall framing.
Flanges and lips of nonstructural cold- formed steel wall studs shall be permitted along the centerline of the web of the framing member, shall not exceed 1 1/2 inches (38 mm) in width or 4 inches (102 mm) in length, and the holes shall not be spaced less than 24 inches (610 mm) center to center from another hole or less than 10 inches (254 mm) from the bearing end.
C101.2.4 Steel floor and roof decking.
Cutting, notching and boring holes in steel floor and roof decking shall be as prescribed by the registered design professional.
C101.3 Cutting, notching and coring into concrete.
The cutting, notching or coring of concrete must comply with provisions of Chapter 19 of the New York City Building Code and is not permitted without prior approval of the registered design professional.
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