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The CERN Safety Alarm Monitoring system acquires safety alarms and safety information generated by CERN safety equipment such as fire and gas detectors, evacuation, emergency stops and other safety related systems, which are located in both surface and underground areas of CERN sites and accelerators. Currently there are 22170 alarms from 1025 safety equipments. This information is transmitted in a high priority and diversely redundant way to the CERN Safety Control Room for immediate intervention of the CERN Fire Brigade. The system was designed based on two main standards, the EN 50136 and IEC 61508 and was commissioned in 2003. In 2009 it was decided to launch a consolidation project in order to upgrade both hardware and software. The consolidation project includes deployment of a private CERN wide fiber optic TCP/IP network for the transmission of safety alarms, an upgrade of the SCADA software, a database upgrade and the replacement of all computers. In this paper the system is presented, the ongoing consolidating work is detailed and the middle and long term improvement plans for the system are described.
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