In all Residence Districts except R1, R2, R3 and R4 Districts, the Board of Standards and Appeals may permit, for a term of five years, fire stations in prefabricated temporary structures, provided that such use is located in a high fire incidence area as designated by the Fire Department.

For fire stations in prefabricated temporary structures, in all Residence Districts except R1, R2, R3 and R4 Districts and in all Commercial and Manufacturing Districts, the Board may permit modifications of the applicable regulations in Sections 23-40 to 23-55, inclusive, Sections 33-20 to 33-31, inclusive, and Sections 43-20 to 43-22, inclusive, relating to Yard Regulations.