Within that area of the Theater Subdistrict whose boundaries are described in Section 81-72 (Use Regulations Modified), the following provisions apply along wide street frontages. Within the Theater Subdistrict Core, the following provisions also apply along narrow street frontages.

(a)        At least 50 percent of the street wall of a development or ground floor enlargement shall be glazed at the ground floor level with clear, untinted, transparent material and not more than 50 percent of such transparent surface shall be painted or obstructed with signs.

For the purpose of the glazing requirements, the street wall surface at the ground floor level shall be measured from the floor to the height of the ceiling or 14 feet above grade, whichever is less, and shall exclude any area of street wall occupied by accessory off-street loading berths or entrances and exits to accessory off-street parking provided pursuant to the provisions of Section 81-30 (OFF-STREET PARKING AND OFF-STREET LOADING REGULATIONS). For the purposes of this Section, clear, unobstructed openings in the surface of a street wall provided for a stairway entrance into a subway relocated onto a zoning lot in accordance with the requirements of Section 81-46 (Off-street Relocation or Renovation of a Subway Stair) or a through block connection provided in accordance with the requirements of paragraph (h) of Section 37-53 (Design Standards for Pedestrian Circulation Spaces) shall be treated as transparent glazed surfaces.

(b)        Canopies (as defined in the Building Code) and awnings shall not be permitted on the exterior of any building.

For the purposes of this Section, any signs which do not comply with the regulations of this Section may be continued for one year after May 13, 1982, provided that after the expiration of that period such non-conforming sign shall terminate; a sign which the Chairperson of the City Planning Commission certifies as an integral part of the building shall not be required to terminate.