Buildings on zoning lots located in whole or in part within the Eighth Avenue Corridor, as defined in Section 81-71, and east of Eighth Avenue, shall comply with the requirements of this Section, and except as superseded by this Section, with the provisions of Section 81-25 (General Provisions Relating to Height and Setback of Buildings), and either Section 81-26 (Height and Setback Regulations - Daylight Compensation) or 81-27 (Alternate Height and Setback Regulations - Daylight Evaluation).

Buildings on zoning lots located in whole or in part within the Eighth Avenue Corridor, as defined in Section 81-71, and west of Eighth Avenue shall comply with the requirements of this Section. The provisions of Sections 81-25, 81-26 and 81-27 shall not apply.

The provisions of paragraphs (a) and (b) of this Section shall apply to developments, enlargements and alterations, where such alterations change the height, width or location of a street wall. For purposes of applying street wall location provisions, all streets shall be considered as wide streets.

(a)        Street wall location and minimum and maximum heights before setbacks

(1)        On Eighth Avenue and 42nd Street, the street wall location provisions of paragraph (a) of Section 35-631 shall apply, except that recesses shall be permitted below a height of 15 feet. The street walls shall extend up to a minimum base height of 50 feet or the height of the building, whichever is less. The maximum height of street walls within 10 feet of the wide street street line shall be 150 feet beyond 15 feet of a narrow street street line and 85 feet within 15 feet of a narrow street street line.

(2)        On a narrow street east of Eighth Avenue, and on a narrow street west of and within 100 feet of Eighth Avenue, the street wall location provisions of paragraph (a)(1) of this Section shall apply and maximum height of street walls within 15 feet of the narrow street street line shall be 85 feet.

On a narrow street west of and beyond 100 feet of Eighth Avenue, the maximum height of street walls within 15 feet of the narrow street street line shall be 66 feet. However, no street wall need be provided where at least 70 percent of the entire frontage of the zoning lot along such narrow street is occupied by street walls located on the street line.

(3)        Where a continuous sidewalk widening is provided along the entire block frontage of a wide street, the boundary of the sidewalk widening shall be considered to be the street line for the purposes of this Section.

(b)        Special street wall regulations for buildings adjacent to listed theaters

For buildings that are adjacent to a theater listed pursuant to Section 81-742 (Listed theaters), the maximum height of the street wall of the building facing the same street as the “listed theater” shall be 60 feet within 15 feet of the street line.

(c)          Additional regulations applying west of Eighth Avenue

West of Eighth Avenue, at any level above a height of 85 feet, any building or buildings or portions thereof shall be subject to the provisions of Sections 23-435 (Tower regulations) and 23-442 (Special provisions for certain community districts) applicable to an R10X District.