Within the boundaries of Community Board 7 in the Borough of Manhattan, when a development, enlargement or change of use is located in an R10 equivalent Commercial District, uses within stories that have a floor level within five feet of curb level fronting on a wide street shall be limited to non-residential uses, except for Type 1 lobbies, and entryways to subway stations provided in accordance with the applicable provisions of Section 37-33 (Maximum Width of Certain Uses).