Along streets specified on Map 2 (Mandatory Ground Floor Use Requirements) in the Appendix to this Chapter, other than Riegelmann Boardwalk, the City Planning Commission may authorize establishments containing Use Group A, B or C uses within buildings with a ground floor depth of less than 50 feet upon a finding that the design and operation of such establishments result in an effective and compelling amusement, entertainment or retail space that furthers the goals of the Special District.