AS - Alarm Systems

 

Automatic Fire Detection & Emergency Evacuation

The main functions of Automatic Fire Detection and Protection systems at CERN are to:
• Detect the presence of a fire as early as possible and inform the CERN Fire Brigade, so that an immediate intervention is launched.
• Detect any internal fault and notify the Technical Infrastructure operators so that corrective action can be undertaken,
• Execute automatic safety actions for the protection of personnel and environment, such as emergency evacuation of personnel and smoke compartmentalisation,

The main functions of Emergency Evacuation systems at CERN is twofold:

• Warn people of a serious situation that could put their lives in danger,
• Serve as the last reminder to evacuate the area rapidly before injection of high-energy particle beams.

Automatic Fire Detection related activities include the maintenance of the Automatic Fire Extinguishing Systems in the SPS shafts (Sprinklers), Globe (Sprinklers) and Restaurants (Automatic Fire Extinction of Fryers)

Automatic Gas Detection & ODH & SNIFFER

The main functions of Automatic Gaz Detection and Protection systems at CERN are to:
• Detect the presence of a gaz leak (comprising (oxygen deficiency hazard ODH, flammable gases, toxic gases) as early as possible and inform the CERN Fire Brigade, so that an immediate intervention is launched.
• Detect any internal fault and notify the Technical Infrastructure operators so that corrective action can be undertaken,
• Execute automatic safety actions for the protection of personnel and environment, such as emergency evacuation of personnel and gaz extraction with ventialtion,

The SNIFFER is a  Combined Fire and Gas air sampling detection for the LHC Experiments. The main functions of SNIFFER systems at CERN are to:
• Detect the presence of a smoke and gaz leak inside ATLAS, LHCb and ALICE Experiement as early as possible and inform the CERN Fire Brigade, so that an immediate intervention is launched.
• Detect any internal fault and notify the Technical Infrastructure operators so that corrective action can be undertaken,
• Execute automatic safety actions for the protection of personnel and environment, such as emergency evacuation of personnel and gaz extraction with ventialtion,

This service also includes the Portable Gaz detection service for personnal protection of gaz leaks (oxygen deficiency hazard ODH, flammable gases, toxic gases)

CSAM - CERN Safety Alarm Monitoring

The CSAM system ensure a reliable transmission of all safety alarms (described in the IS 37) to the CERN Fire Brigade in the SCR and CCC, as well as to Experiment's Control Rooms.

CHAMN - CERN Hardware Alarm Monitoring Network

Hardware alarm integration related activities. Includes safety and technical alarm integration

Red Telephones

Red telephones related activities.

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