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Take 5 for Safety

This article discusses the credited controls that are essential for the safe operation of accelerator facilities, as identified in the Accelerator Safety envelopes. It also explores the responsibilities assigned to assure that these credited controls are operational or in place, as outlined in the OPM 2.5 series of procedures at C-AD. Moreover, it highlights various credited controls such as access control systems, flammable gas systems, ionizing radiation shielding, laser interlocks, activated soil caps, radiation monitoring and interlocking Chipmunks, stack monitoring system, water tank hot-box exhaust fan system, Linac to BLIP bending magnet interlocks, hot cells, hot boxes and fume hoods, and the VODH system at RHIC.

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Take 5 for Safety

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  1. Take 5 for Safety E. Lessard January 19, 2016

  2. Credited Controls • Credited controls: controls determined through safety analysis to be essential for safe operation directly related to the protection of personnel or the environment • Credited Controls are identified in the Accelerator Safety envelopes for C-AD accelerator facilities • Responsibilities to assure Credited Controls are operational or in-place are assigned in the OPM 2.5 series of procedures

  3. Credited Controls at C-AD • Access Control System used to protect personnel from ionizing radiation and/or oxygen deficiency hazards • STAR flammable gas systems • PHENIX flammable gas systems • Ionizing radiation shielding for accelerator and accelerator facilities • Laser interlocks for protection of personnel from laser and radiation hazards • Activated soil caps • Radiation monitoring and interlocking Chipmunks for personnel radiation safety as determined by the C-AD RSC

  4. Credited Controls at C-AD • MIRP BLIP: • Stack monitoring system • Water tank hot-box exhaust fan system including ductwork and exhaust fan low-flow alarm system •  Linac to BLIP bending magnet interlocks • MIRP B801 TPL: • Hot cells, hot boxes and fume hoods (configuration and shielding) • Hot cell, hot box and fume hood exhaust systems including fans and ductwork • NSRL B958 exhaust fans • The VODH system at RHIC including pressure sensors, interlocks, cryogenic sectionalizing valves and signal to the RHIC ODH system

  5. Picture of the Week – How Many Hazards Can You Spot?

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