Within the South Street Seaport Subdistrict, for any zoning lot located in a C6-2A District, the underlying height and setback regulations shall apply, except the maximum building height shall be 120 feet. No minimum base height shall apply, and the depth of a required setback along a narrow street shall be at least 10 feet. No lot coverage regulations shall apply to corner lots. Furthermore, the provisions of Article II, Chapter 8 (The Quality Housing Program), shall not apply.