Flood panels in required yards and open space

Temporary flood control devices and associated emergency egress systems that are assembled prior to a storm and removed thereafter shall be permitted obstructions in yards and rear yard equivalents, courts, open space, waterfront yards as defined in Article VI, Chapter 2, public plazas and all other publicly accessible open areas during such storm event and for a reasonable period prior to and after such storm event, as determined by the Department of Buildings.