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(a) Except as provided in subparagraph (b) of this section, the design, the fabrication and erection of steel joists shall be in accordance with the requirements of the following documents: Standard Specifications, Load Tables and Weight Tables for Steel Joists and Joist Girders, 1990 Edition, adopted by the Steel Joist Institute, which contains the Standard Specifications and Load Tables for Open Web Steel Joists, K-Series, 1989, the Standard Specifications for Longspan Steel Joists, LH-Series and Deep Longspan Steel Joists, DLH-Series, 1989, the Standard Load Table for Longspan Steel Joists, LH-Series, 1989, and the Standard Load Table for Deep Longspan Steel Joists, DLH-Series, 1989; and the Standard Specifications and Weight Tables for Joist Girders, 1989; and with the requirements of the Standard Specifications, Load Tables and Weight Tables for Steel Joists and Joist Girders, 1984 Edition, adopted by the Steel Joist Institute, for only the Standard Specifications for Open Web Steel Joists, H-Series, 1983, and the Standard Load Table, Open Web Steel Joists, H-Series, 1974.
(b) All joist materials and assemblies shall be classified as controlled materials as defined in Section 13-120-040.
(Prior code § 74-3; Amend Coun. J. 4-12-91, p. 32256)