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Automated radiation monitoring system (ARMS) at the Federal State Unitary Enterprise "Mining and Chemical Combine" (FSUE GKhK) in Zheleznogorsk


18.06.2014
Automated radiation monitoring system (ARMS) at the Federal State Unitary Enterprise "Mining and Chemical Combine" (FSUE GKhK) in Zheleznogorsk

The automated radiation monitoring system (ARMS) of building #2 (spent nuclear fuel storage #2) is designed for:

  • ensuring continuous monitoring of radiation parameters in the premises; radiation process control including emissions from the exhaust shafts of storage cells and from high-rise chimney stack of the Building #2 of dry storage of irradiated nuclear fuel;
  • receiving and processing of information required to describe the radiation situation in the storage facility premises, radiation condition of facility’s technological systems with the purpose of monitoring compliance with the radiation safety rules and regulations;
  • prompt detection of evidences and signals in case when a facility under radiation monitoring goes beyond safe operation limits;
  • taking prompt measures to improve radiation safety of personnel and protect the environment from radiation emissions to prevent exposure to personnel above the dose limits specified in the radiation safety rules and regulations;
  • Prevention of emergency situations.

The system includes 450 monitoring points located at 139 stands.

ARMS of building #2 of SNF storage #2 performs the following tasks:

  • measurement of monitored parameters;
  • primary data processing;
  • generation of alarm signals when monitored parameters exceed preset thresholds;
  • information collection and analysis;
  • presentation of current information;
  • testing of equipment;
  • archiving of information;
  • presentation of archived information;

The project was implemented under a two-stage contract; an extensive package of technical documentation was developed for the designing, manufacturing and delivery of ARMS according to customer requirements (Terms of Reference, design and operating documentation, procedures of Federal Service for Technical and Export Control, OIT certificates (system for certification of equipment, products and technologies), Permit on the use of imported components and so on) which was followed by actual manufacture and supply of ARMS. All works were completed out in the shortest possible time, 180 days.

The ARMS comprised 139 RMS stands, 4 automated workstations (AWS) of safety class 3N, server rack and AWSs of general purpose industrial version, 50 switching units for the implementation of fault-tolerant fiber optic ring. It should be mentioned that RMSs, switching units and server rack were designed to suit individual customer requirements.

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