RASM Chapter 9

Information about RASM Chapter 9

Published on July 24, 2014

Author: pthomp

Source: authorstream.com

Content

PowerPoint Presentation: Risk Assessment and Safety Management MANAGEMENT ASSESSMENT TECHNIQUES Dr Pauline Thompson PowerPoint Presentation: Management assessment Management factors vital importance in systemic risk Need techniques that focus softer aspects Links to SMSs in following sections There are human error techniques but can be unwieldy Many management assessment techniques – different angles MORT: Management Over-sight and Risk Tree. Failure Paradigm Method. STATAS/PRIMA : Structured Audit Technique for the Assessment of Safety Management Systems/Process Risk Management Audit. MANAGER : MANagement Assessment Guidelines in the Evaluation of Risk. Only STATAS and MANAGER attempt to quantify PowerPoint Presentation: MORT MORT: Management Over-Sight And Risk Tree Covered in detail in D21LD – used in accident investigation Can be used in a predictive sense – needs imagination Structured checklist in form of complex ‘fault tree’ model Uses concept of accidents being unwanted ‘energy flows’ Specific control factors = physical errors Management system factors = procedures/responsibilities Assumed risks = knowingly assumed - explicit Using MORT predictively could be part of management review PowerPoint Presentation: MORT MORT: Management Over-Sight And Risk Tree PowerPoint Presentation: MORT MORT: Management Over-Sight And Risk Tree Can be considerable overlap in branches Read from top to bottom and left to right More ‘why’ questions on right Aims to look at/change whole system – not just specifics Asks macro questions to get responsibilities Lot of weight on managerial aspects PowerPoint Presentation: Failure Paradigms Method Provides ideal paradigms (templates) to compare with reality Originally applied to past failures Can also be used predictively Paradigms include: ‘Formal System Model ’ Control Paradigm Communication Paradigm Various concepts representing human factors paradigms Overlay paradigms onto real situations and if all links present should work Again bit like a structured checklist PowerPoint Presentation: Failure Paradigms Method Example of Communications Paradigm PowerPoint Presentation: STATAS/PRIMA Structured Audit Technique for the Assessment of Safety Management Systems (STATAS) model commissioned HSE, Led to Process Risk Management Audit (PRIMA) ‘Socio-technical ’ model with 6 levels: Level 5: System climate, e.g. background, legislation, regulation, resources Level 4: Organization and management, e.g. policies, management structure , formal systems, assigned responsibilities, performance criteria , emergency response organisation Level 3: Communication and feedback, e.g. job descriptions, written procedures , performance evaluation, safety audits, incident reporting and follow up, meetings Level 2: Operator reliability, e.g. design, procedures, competence, manning and shifts Level 1: Engineering reliability, e.g. plant layout, equipment design Level 0: Loss of containment and mitigation PowerPoint Presentation: STATAS/PRIMA Structured Audit Five phases of plant life cycle: design (DES) manufacture (MANF) construction (CON) operation (OP) maintenance (MAINT) Four preventative mechanism categories: hazard identification and assessment (HAZ) routine checking and testing (ROUT) human factors review (HF) task checking (TCHECK) Theoretically 20 combinations In practice only 8 mostly used: DES/HAZ; CON/TCHECK ; MAINT/ROUT ; MAINT/HF ; MAINT/TCHECK ; OP/HAZ ; OP/HF ; OP/TCHECK PowerPoint Presentation: STATAS/PRIMA Audit question set of 40-80 questions with themes: structures, systems and procedures, standards and criteria, mitigation of pressures, availability and use of resources Samples of each theme at each socio-technical level Designed for pipe and vessel failure originally but with strong management component Answers ranked good/bad/average and results analysed statistically PowerPoint Presentation: MANAGER MANAGER - MANagement Assessment Guidelines in the Evaluation of Risk = Questionnaire with 12 topics: Written procedures Incident and accident reporting Safety Policy Formal safety studies Organization factors Maintenance Emergency resources and procedures Training Management of change Control room instrumentation and alarms Other human factors influences Fire protection systems PowerPoint Presentation: MANAGER Answers lead to ‘Management Factor’ (MF) MF = 1 for an average plant, 0<MF<100 Usually 0.5<MF<16 MF calculated by rating ‘better than ’/‘ worse than ’/‘ as good as’ average for that industry “Performance shaping factors” used for weighting ( cf HEART) = constants from expert judgement If F is a failure rate for a plant then F = MF  F av See notes for discussion of an example PowerPoint Presentation: Summary Assessing an organisation is not complete without an audit of the human factors and management. Only 4 methods described here. Many more available. MORT : Management Over-sight and Risk Tree. Failure Paradigm Method. STATAS/PRIMA : Structured Audit Technique for the Assessment of Safety Management Systems/Process Risk Management Audit. MANAGER : MANagement Assessment Guidelines in the Evaluation of Risk. PowerPoint Presentation: Discussion Questions Now we recommend: Read through these sections in the notes Tackle the discussion the questions at the end Work with your fellow students on the discussion boards PowerPoint Presentation: Any Questions ? If so – post them in the discussion boards

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