117-421 - Special bulk regulations LAST AMENDED 12/5/2024 (a) #Developments# or #enlargements# on #zoning lots# that meet the standards of Section 117-44 and provide mandatory subway improvements as required by Section 117-44, may be #developed# or #enlarged# to a #floor area ratio# of 15.0. #Developments# or #enlargements# on #zoning lots# that do not meet the minimum standards of Section 117-44 shall not exceed the maximum #floor area ratio# of the M1-4/R6B designated district for the applicable #use#. (b) The following provisions shall not apply within the Court Square Subdistrict: Section 33-13 (Floor Area Bonus for a Public Plaza) Section 33-14 (Floor Area Bonus for Arcades) Section 33-26 (Minimum Required Rear Yards) Section 34-223 (Floor area bonus for a public plaza) Section 34-224 (Floor area bonus for an arcade) Section 34-23 (Modification of Yard and Open Area Regulations). (c) The height and setback regulations of the underlying C5-3 District shall apply, except that: (1) no #building or other structure# shall exceed a height of 85 feet above the #base plane# within the area bounded by 23rd Street, 44th Road, a line 60 feet east of and parallel to 23rd Street, and 45th Avenue; and (2) on Blocks 1 and 3, the #street wall# of a #building or other structure# shall be located on the #street line# or sidewalk widening line, where applicable, and extend along the entire #street# frontage of the #zoning lot# up to at least a height of 60 feet and a maximum height of 85 feet before setback, except any portion of a #building# on Block 3 fronting upon 23rd Street may rise to a maximum height of 125 feet before setback. Recesses, not to exceed three feet in depth from the #street line#, shall be permitted on the ground floor where required to provide access to the #building#. Above the level of the second #story#, up to 30 percent of the #aggregate width of street walls# may be located beyond the #street line#, provided no such recesses are within 15 feet of an adjacent #building#. Above the highest applicable maximum #street wall# height, the underlying height and setback regulations shall apply. However, the underlying tower regulations shall be modified: (i) to permit portions of #buildings# that exceed a height of 85 feet to be set back at least five feet from a #wide street line#, provided no portion of such #building# that exceeds a height of 85 feet is located within 15 feet of a #side lot line#; and (ii) so that the provisions of Section 33-451 (In certain specified Commercial Districts) regulating the aggregate area of a tower within 50 feet of a #narrow street# shall not apply to any #building# or portion of such #building# on Block 3 fronting upon 45th Avenue. The provisions of this paragraph (c)(2) shall not apply to #enlargements# on #zoning lots# existing on June 30, 2009, where such #zoning lot# includes an existing #building# to remain with at least 300,000 square feet of #floor area#.