N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 8-1.61

Current through Register Vol. 46, No. 45, November 2, 2024

Section 8-1.61 - Fireproof partitions

(a) Fireproof partitions, when specified by the provisions of the Labor Law, shall be built of:

(1) brick or concrete not less than eight inches in thickness for the uppermost 40 feet, increasing four inches in thickness for each additional lower 40 feet or part thereof; or when supported at vertical intervals of not over 40 feet, not less than eight inches in thickness throughout their entire height;

(2) or, terra cotta blocks as described in section 8-1.60 not less than six inches in thickness, supported at vertical intervals of not over 25 feet;

(3) or, reinforced stone concrete of the same mixture as required for floors and roofs described in section 8-1.60 not less than four inches in thickness, supported at vertical intervals of not over 25 feet;

(4) or, reinforced cinder concrete consisting of one part Portland cement and not more than seven parts of a properly proportioned aggregate of sand and cinders, not less than four inches in thickness, supported at vertical intervals of not over 18 feet;

(5) or, any form of construction, when safely supported, which shall have successfully passed a standard three-hour fire and water test.

(b) The supporting steel frame work of all partitions shall be properly encased on all sides with not less than two inches of fireproof material, securely fastened to the steel work. The reinforcement shall be protected by not less than three-fourths inch of fireproof material on each side. All fireproof partitions shall be properly braced at the floor levels through which they pass.

N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 8-1.61