Section 27-437. Fire protection

Heliports shall be provided with fire-foam
  extinguishing equipment and fire alarm facilities meeting the  following
  requirements:
    (a)  At  least  two  hose  stations  housing  approved foam generating
  equipment shall be provided remote from each other and located  adjacent
  to  outlets  of  the  building standpipe system or other source of water
  supply. Hoses shall be provided with nozzles and related  equipment  for
  dispensing foam to all portions of the roof.
    (b)  The  building  standpipe  system  or other source of water supply
  shall  be  capable  at  all  times  of  providing   two   hose   streams
  simultaneously,  each  of  which will afford foam application at a total
  water rate of at least sixty gallons per minute at a nozzle  presure  of
  seventy-five psi for a period of ten minutes.
    (c)  A  fire  alarm  system  meeting  the installation requirements of
  subchapter seventeen of this chapter shall be  provided  with  a  direct
  connection to the central station of an operating fire alarm company and
  with a local alarm to all heliport personnel.