15.100.220   Fire alarm system operation.
   Upon activation of the automatic sprinkler system, manual fire alarm sending station, any automatic fire alarm detecting or other initiating device required by this chapter or any special hazard fire protection or extinguishing system, an automatic local alarm signal shall sound on the floor where activated, one floor above and one floor below, and shall transmit an audible and visual signal to the fire control room. This shall include all public areas, kitchens, mechanical rooms, roof areas, attached parking structures and all remote areas not normally occupied.
   The actuation of any device required by this chapter shall place into operation all equipment necessary to prevent the recirculation of smoke.
   Exception: Manual fire alarm sending stations. (Prior code §§ 9.28.1221, 15.11.1102)