N.Y.C. Admin. Code § EBC 1301: Section EBC 1301: General

1301.1 Scope.

The provisions of this chapter shall apply to the alterations, additions and changes of occupancy of existing buildings built prior to July 1, 2008, including moved structures, as referenced in Section 301.1.4 when elected by the design professional of record, as an alternative to the life safety requirements of Chapters 8 through 11 and Chapter 14. The provisions of this chapter are intended to maintain or increase the current degree of public safety in existing buildings while permitting alterations, additions, and changes of occupancy of these buildings.

1301.1.1 Compliance with other provisions of this code.

When this chapter is elected as an alternative to compliance with the life safety provisions of Chapters 8 through 11 as referenced by Section 301.1.3, alterations, additions, and changes of occupancy to existing structures shall comply with all other applicable provisions of Chapters 8 through 11 and Chapter 3 related to use of material, accessibility, structural, plumbing, mechanical, electrical, fuel gas, and energy conservation, including all other requirements of this code not covered by this chapter.

1301.1.1.1 Increase in floor surface area by more than 110 percent.

Where the proposed addition and/or alteration made to an existing building causes an increase in the building floor surface area, over the amount of existing floor surface area, by more than 110 percent, such building shall comply with the New York City Building Code as hereafter erected and this chapter shall not apply, pursuant to Section 302.7.