All developments and enlargements within the Special East Harlem Corridors District shall comply with the street wall regulations of Section 35-651 (Street wall location), as specified and modified in this Section. Where M1 Districts are paired with R9 or R10 Districts, developments and enlargements within such districts shall comply with the provisions of paragraph (b) of this Section. The applicable provisions of Section 35-651 are specified and modified as follows:

(a)        Along wide streets other than Park Avenue

Along all wide streets other than Park Avenue, and along narrow streets within 50 feet of an intersection with such wide street, the provisions of paragraph (b) of Section 35-651 shall apply, except that the minimum base height shall be 60 feet, or the height of the building, whichever is less.

(b)        Along Park Avenue

Along Park Avenue and along narrow streets located within 100 feet of Park Avenue, the provisions of paragraph (a) of Section 35-651 shall apply, except that the minimum base height shall be 40 feet, or the height of the building, whichever is less.

(c)        Along all other streets

Along all streets not subject to the provisions of paragraph (a) or (b) of this Section, the provisions of paragraph (a) of Section 35-651 shall apply, except that the minimum base height shall be 60 feet, or the height of the building, whichever is less.

(d)        Within flood zones

For buildings within the flood zone, the provisions of paragraphs (a), (b) and (c) of this Section, as applicable, shall be modified as follows:

(1)        for developments or horizontal enlargements, or portions thereof, where no transparent materials are provided on the ground floor level street wall below a height of four feet above the level of the adjoining sidewalk pursuant to the provisions of Section 37-34 (Minimum Transparency Requirements), for a continuous distance of more than 25 feet, such street wall shall be located at least three feet beyond the street line; and

(2)        the area between such street wall and the sidewalk, or portions thereof, that do not contain any planting pursuant to the provisions of paragraph (b)(1) of Section 37-362 (Mitigation elements) for at least 70 percent of the linear footage, shall be improved to Department of Transportation standards for sidewalks, be at the same level as the adjoining public sidewalk and be accessible to the public at all times. In addition, such area shall provide visual mitigation elements in accordance with the provisions of Section 37-362 for at least 70 percent of the linear footage of such area per 50 feet of frontage.