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- W2891858747 abstract "With the emergence of oil and gas industries such as the LNG industry inAustralia, e.g., the Chevron’s US$54B Gorgon and Wheatstone projects, Inpex’sUS$34B Ichthys, Shell’s US$12.6B Prelude FLNG, Origin’s $24.7B APLNG’sprojects, to name a few, and other related industries, it is inevitable that theseindustries need to utilise risk analysis techniques during the development andapplication of their Safety Instrumented System (SIS), in order to efficiently andsafely conduct its business, and for industry compliance. Currently, evaluationand design of integrated control and safety systems (ICSS), particularly the SISare often cumbersome, time consuming and complex considering a lot ofStandards and Regulations to follow. These systems are mission and safetycriticalsystems such that the development and execution must be carefullyplanned and traceable to certain Standards and Regulations but needs to be costefficient.To address this impending concern, this research project will focus on thedevelopment of an application of a more cost-effective, simplified and enhancedapproach for the design and evaluation of Safety Instrumented Systems (SIS)called the Funnel Risk Graph Method (FRGM). Although risk graph methods arecommonly used in industries, the FRGM is unique in a way that the approach ispresented as a screening tool or initial pass, before a more detailed analysis iscarried out. Instead of subjecting all Safety Instrumented Function (SIF) one-by-one to a much complex traditional assessment process, the FRGM is used as afunnel. If the assessed safety-related system received Safety Integrity Level (SIL)allocation of greater than SIL 2 during the initial pass then a semi-quantitative ora quantitative method as a ‘final pass’ should be conducted, or the multidisciplinaryassessment team reached an agreement to justify the ‘second pass’or pose a high Equipment Under Control (EUC) risk. Based on the preliminaryresults, it is expected that significant economic benefits can be achieved.Likewise, compliance will become more practicable and standards more useful,resulting to an equal degree of functional safety as compared to the traditionalapproach yet resource utilisation is efficient.Further testing and analyses will be conducted to quantify the benefits ofFRGM. Real-life case studies utilizing industrial SIS devices will be presented todemonstrate the benefits of this approach. In contrast with other complexschemes commonly used for safety assessment, the proposed FRGM givesbenefits such that it is straightforward in steps and resource-efficient. While safetyis aimed at protecting the systems from accidental failures to eliminate orminimize hazards, security is focused on protecting the systems from deliberatemalicious attacks. They share the same goal – protecting the SIS from failing.Industry cybersecurity has become more critical these days, and to address suchconcern, risk assessment for the cybersecurity of SIS is proposed to be integratedin the assessment process using a proposed framework, as part of the enhancedprocess." @default.
- W2891858747 created "2018-09-27" @default.
- W2891858747 creator A5048030830 @default.
- W2891858747 date "2018-01-01" @default.
- W2891858747 modified "2023-09-27" @default.
- W2891858747 title "Funnel Risk Graph Method in the Design of Integrated Control and Safety System" @default.
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