2006 New York Code - Elevator In Readiness.

 
    §  27-4270  Elevator  in  readiness. In every building seventy-five or
  more feet in height, elevators shall be kept in readiness for  immediate
  use  by  the department, during all hours of the night and day including
  holidays, Saturdays and Sundays, and there shall be in attendance at all
  times a person  competent  to  operate  the  elevator,  except  that  no
  attendant  shall be required for buildings between seventy-five feet and
  one hundred fifty feet in height  having  elevators  with  automatic  or
  continuous   pressure   operation   with   keyed  switches  meeting  the
  requirements of reference standard RS 18-1 of the building code so as to
  permit sole use of the elevators by the department.