All portions of buildings or other structures that exceed the maximum base height specified in the table in this Section shall comply with the following provisions:

(a)        At a height not lower than the minimum base height or higher than the maximum base height specified in the table for the applicable area, a setback with a depth of at least 10 feet shall be provided from any street wall fronting on a wide street and a setback with a depth of at least 15 feet shall be provided from any street wall fronting on a narrow street. Such setback may be modified in accordance with the provisions of Section 23-433 (Standard setback regulations).

______

^*        for buildings or other structures on Davis Street located 75 feet or more from Jackson Avenue, the minimum base height shall be 40 feet  

(b)        In Area A-1, no setbacks are required above the applicable minimum base height specified in the table in paragraph (a) of this Section. However, if a setback is provided, it shall comply with the provisions of paragraph (a).