Methodology and Results of Risk Assessment of Interconnections Within the JET Active Gas Handling System

P.R. Ballantyne; A.C. Bell; A. Konstantellos; J.L. Hemmerich

doi:dx.doi.org/10.13182/FST92-A29792

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Methodology and Results of Risk Assessment of Interconnections Within the JET Active Gas Handling System

P.R. Ballantyne, A.C. Bell, A. Konstantellos, J.L. Hemmerich

Fusion Science and Technology / Volume 21 / Number 2P2 / March 1992 / Pages 477-482

Safety; Measurement and Accountability; Operation and Maintenance; Application / dx.doi.org/10.13182/FST92-A29792

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The Joint European Torus (JET) Active Gas Handling System (AGHS) is a complex interconnection of numerous subsystems. While individual subsystems were assessed for their risk of operation, an assessment of the effects of inadvertent interconnections was needed. A systematic method to document the assessment was devised to ease the assessment of complex plant and was applied to the AGHS. The methodology, application to AGHS, the four critical issues and required plant modifications as a result of this assessment are briefly discussed.