Latest Updates

GMP05. Contracting for Safety
Updated: Mon, 12/12/2016 - 14:29 , Originally Posted: Tue, 08/03/2016 - 16:23
This generic procedure serves to outline the process of managing contracting safety.
Document Type: Guidance
GMP06. Communication
Updated: Mon, 12/12/2016 - 14:28 , Originally Posted: Tue, 08/03/2016 - 16:25
Effective communication of the principles, goals and outputs of the Project Team’s Safety Management System and Environmental Management System is essential to the success of managing safety and environmental risks. It is important to ensure that relevant responsibilities are understood and that actions should be carried out in a coordinated and efficient way.
Document Type: Guidance
Bow-Tie Diagram
Updated: Fri, 09/12/2016 - 10:37 , Originally Posted: Fri, 26/02/2016 - 09:58
The bow-tie technique was first developed as a technique for developing safety cases in the Oil and Gas Industry. The principle of the technique requires the identification of hazards, circumstances (threats) and events leading to the risk realisation (usually as a fault tree), and then, a tree of consequences leading from the event to the consequences and the estimated loss (usually with an event tree).
Document Type: Safety Manager Tool
Consequence Analysis & Risk Reduction Option Selection
Updated: Fri, 09/12/2016 - 08:40 , Originally Posted: Fri, 26/02/2016 - 10:40
This guidance paper covers both the technique of Cause Consequence Diagrams and three analyses which may be used subsequently, where quantitative ALARP justification is necessary. Both Def Stan 00-56 and the MOD’s POSMS manual give guidance on when quantitative ALARP justification may be required, and this is likely to be for hazards not addressed by the application of good practice and those with the highest levels of Risk.
Document Type: Safety Manager Tool
POSMS Supporting Material
Updated: Thu, 08/12/2016 - 14:40 , Originally Posted: Mon, 07/03/2016 - 12:34
Document Type: Resource Page
Data Reporting, Analysis and Corrective Action System (DRACAS)
Updated: Thu, 08/12/2016 - 14:27 , Originally Posted: Mon, 04/04/2016 - 13:14
The Data Reporting, Analysis and Corrective Action System (DRACAS) is a closed loop data system for reporting and analysis, used to record information about incidents and corrective actions that have been implemented.
Document Type: Safety Manager Tool
Event Tree Analysis
Updated: Thu, 08/12/2016 - 14:27 , Originally Posted: Mon, 04/04/2016 - 14:20
Event trees are graphical representations of binary logic models which identify and can quantify possible consequences resulting from an initiating event (e.g. component failure). The event tree provides systematic coverage of the time sequence for the event’s propagation.
Document Type: Safety Manager Tool
Functional Safety Analysis
Updated: Thu, 08/12/2016 - 13:58 , Originally Posted: Tue, 05/04/2016 - 08:57
Functional Safety Analysis is an approach that assesses all the system functions to determine the hazards associated with what the system does. The purpose of Functional Safety Analysis is to identify hazards associated with both the correct and incorrect operation and non-operation of the system, lower level functions and human functions.
Document Type: Safety Manager Tool
Fault Tree Analysis
Updated: Thu, 08/12/2016 - 13:58 , Originally Posted: Mon, 04/04/2016 - 15:55
Fault-Tree Analysis (FTA) is a graphical binary logic top-down technique that is used to describe how a specific unwanted event in a system may be caused by the effects of a single failure or combination of failures.
Document Type: Safety Manager Tool
Goal Structuring Notation and Claim Trees
Updated: Thu, 08/12/2016 - 13:58 , Originally Posted: Tue, 05/04/2016 - 11:59
Goal Structuring Notation (GSN) and Claim Trees are two similar techniques used to present an explanation of how the available evidence can be interpreted to indicate the achievement of a top-level claim or assertion, for example that a system is tolerably safe.
Document Type: Safety Manager Tool

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