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Active Bow Tie
Details of ABT 1
Details of ABT 2
Details of ABT 3
Details of ABT 4


Risk Support Limited has developed Active Bow Tie for bow tie risk analysis and management system development.  The safety rating system for barriers and recovery measures allows bow ties to be quantified (will be implemented in the next version).




Introduction to Active Bow Tie

Trbojevic, V.M., Linking Risk Analysis to Safety Management, PSAM7 / ESRELí04, International Conference on Probabilistic Safety Assessment and Management, Berlin, 14-18 June, 2004.

Trbojevic, V.M., Linking Risk Assessment of Marine Operations to Safety Management in Ports, 6th Biennial Marine Transportation System Research and Technology Coordination Conference, Washington DC, 14-16 November, 2001.

HSE, Optimising hazard management by workforce engagement and supervision, Research Report RR637, HSE Books, 2008.

Free Active Bow Tie v1.7.  The latest version of the software (v1.7) is free to download. Follow this link to unzip the abt.zip. Read the instructions or just double click on Install-ABTv1.7.exe


After installation please send your name and affiliation to vmt@risk-support.co.uk so that you can be included into the User Group and participate in the future development of ABT.