The height and setback provisions of Section 62-34 (Height and Setback Regulations on Waterfront Blocks) shall be modified by the provisions of this Section, inclusive.

The height of all buildings or other structures shall be measured from the base plane, except where modified by specific provisions of this Section, inclusive, or by the provisions of Article VI, Chapter 4.

Sidewalk widenings shall be provided along specified street frontages and at specified depths as set forth on Map 3 (Requirements Along Street Frontages) in the Appendix to this Chapter. Such sidewalk widening shall be improved to Department of Transportation standards for sidewalks, and be at the same level as the adjoining sidewalk.