Within the boundaries of the Special Lower Manhattan District, all developments or enlargements constructed after August 27, 1998, on zoning lots of at least 5,000 square feet that contain more than 70,000 square feet of new floor area shall provide pedestrian circulation space on such zoning lot in accordance with the provisions of Section 37-50.

Pedestrian circulation space shall not be required if any of the following conditions exist:

(a)        the zoning lot is entirely occupied by a building of no more than one story in height;

(b)        the zoning lot is an interior lot fronting on a wide street with less than 80 feet of street frontage;

(c)        the zoning lot is an interior or through lot fronting on a street or streets with Type 1, Type 2A, Type 2B, Type 3, Type 4 or Type 5 street wall regulations, as set forth in paragraph (a) of Section 91-31 (Street Wall Regulations);

(d)        the zoning lot is a through lot and both street frontages are less than 25 feet in length; or

(e)        the zoning lot is located in a C6-2A or C6-9 District within the South Street Seaport Subdistrict.