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Subdivision (c) of section 1220.1 of Title 19 NYCRR is amended by adding a new paragraph (12), to read as follows:
(12) 2010 RCNYS Section 703.7.3. Section 703.7.3 of the 2010 RCNYS shall be deemed to be amended by the addition of a new Table R703.7.3, to read as follows:
TABLE R703.7.3
ALLOWABLE SPANS FOR LINTELS SUPPORTING MASONRY VENEER a, b, c
| SIZE OF STEEL ANGLE a, c (inches) | NO STORY ABOVE | ONE STORY ABOVE | TWO STORIES ABOVE | NO. OF 1/2”OR EQUIVALENT REINFORCING BARS c |
| 3×3×1/4 | 6'-0" | 4'-6" | 3'-0" | 1 |
| 4×3×1/4 | 8'-0" | 6'-0" | 4'-6" | 1 |
| 5×31/2×5/16 | 10'-0" | 8'-0" | 6'-0" | 2 |
| 6×31/2×5/16 | 14'-0" | 9'-6" | 7'-0" | 2 |
| 2-6×31/2×5/16 | 20'-0" | 12'-0" | 9'-6" | 4 |
For SI: 1 inch = 25.4 mm, 1 foot =304.8 mm.
a. Long leg of the angle shall be placed in a vertical position.
b. Depth of reinforced lintels shall not be less than 8 inches and all cells of hollow masonry lintels shall be grouted solid. Reinforcing bars shall extend not less than 8 inches into the support.
c. Steel members indicated are adequate typical examples; other steel members meeting structural design requirements may be used.
