In all districts, the underlying permitted obstruction regulations shall be modified by this Section.

1. Balconies
   
   Balconies provided in accordance with the provisions of Section 23-62 may encroach into any required open area on the zoning lot. However, balconies that encroach into waterfront public access areas shall be regulated by the provisions of paragraph (a)(1) Section 139-51 (Area-wide Modifications).
2. Dormers
   
   For any building or structure, a dormer shall be allowed as a permitted obstruction pursuant to paragraph (b)(1) of Section 23-413 (Permitted obstruction in certain districts), except that dormers shall not be permitted in setback areas adjoining tower portions of buildings or setback areas facing shore public walkways.