Type
Trouble Bells are to be under-dome type; with provision for housing the operating mechanism behind the bell. Bells shall produce a sound-pressure level of 94 dBA, measured 10 feet from the bell. 4-inch size, unless otherwise indicated.
Location
To be approved by the Chicago Bureau of Fire Prevention.
Fire Alarm Connection
Make addressable connections with a supervised interface device to the following devices and systems. Install the interface device less than 3 feet from the device controlled. Make an addressable confirmation connection when such feedback is available at the device or system being controlled.
- Alarm-initiating connection to elevator recall system and components.
- Alarm-initiating connection to activate emergency lighting control.
- Supervisory connections at valve supervisory switches.
- Supervisory connections at fire-pump power failure including a dead-phase or phase-reversal condition.
- Supervisory connection with Elevator power Shutdown.
- Supervisory connection with Kitchen Fire-extinguishing system operation.
- Supervisory connection with Duct Detectors.
- Supervisory connection with Door Systems.
- BAS system interconnections.