64-20 Special Use Regulations
(a) In all districts, where compliance with the elevation and wet flood-proofing requirements of Appendix G of the New York City Building Code would result in a lowest occupiable floor that is above a level required by the Zoning Resolution without the relief provided by this Section, such requirements shall be modified so that the level of such ground floor shall be the lowest level permitted for uses other than parking, storage and building access as if it were "Post-FIRM Construction," as defined by Appendix G of the Building Code, using elevation and wet flood-proofing techniques.
(b) In C1, C2 and C4 Districts in the Borough of Staten Island, where flood-resistant construction elevation is more than 10 feet above curb level, the provisions of Section 32-433 (Ground floor use in C1, C2 and C4 Districts in the Borough of Staten Island) shall be modified to allow enclosed parking spaces, or parking spaces covered by a building, including such spaces accessory to residences, on the ground floor within 30 feet of the street wall of the building, provided that the standards of Section 64-641 (Transparency requirements) are met.
In all districts, as an alternative to street wall transparency regulations, the following optional provisions may apply, except where buildings are governed by the provisions of Section 64-64 (Design Requirements for Non-residential and Mixed Buildings in Commercial and Manufacturing Districts).
Street walls shall be glazed with transparent materials which may include show windows, transom windows or glazed portions of doors. Such transparent glazing materials shall occupy at least 50 percent of the surface area of such street wall, measured between the level of the first finished floor above curb level and a height 12 feet above such level.