The intent of this paper is to raise awareness to the importance of the Managers role in implementing functional safety, and to discuss managements roles and responsibilities according to the standards.
The intent of this paper is to provide an introduction to SIL / SIS, an overview of the IEC 61511 safety lifecycle, discuss important activities that should be planned and discuss how management can support these activities.
This paper will attempt to break the narrative that increased safety provides a net negative cash flow. Safety enhancements are rarely recognized as providing monetary benefits and it is important to understand how to make risk work to your benefit.
This Paper discusses the adoption of CAN/CSA 22.2 No. 61508, 61511 standards into CEC, Provincial enforcement/variances, adoption of CAN/CSA Z767.
This paper details some intricacies when utilizing a relief valve for process risk reduction. They do not make a process inherently safe and if we don't dig into the details, the results can be deadly.
In this paper we discuss the updated and relatively unknown BPCS independence requirements published in the 2016 version of IEC 61511. This includes some discussion on the "thorny" topic of what can be done with existing installations.
Part 2 of this article is intended to build off the BPCS independence requirements described in Part 1 by discussing some best practices and practical design options for compliance with IEC 61511.
Fire and Gas Systems (FGS) are often considered the last line of defense in the safeguarding strategy when other preventative safeguards have failed. This article discusses the importance of the FGS and provides an introduction to the ISA TR84.00.07 Standard.
Ensuring F&G detectors can "see" a fire or gas event is one of the most important factors to ensuring F&G System effectiveness. This article will discuss the performance based approach to detector placement described in the ISA TR84.00.07 standard.
Watchmen Instrumented Safety Experts (WISE) is a Functional Safety Engineering company with specialized expertise in preventative and mitigative instrumented safety. Our expertise includes HAZOP & LOPA Facilitation, SIL / SIS Calculations and Consulting, Alarm Management, Fire and Gas Systems Engineering. Consult one of our experts for your instrumented safety project today.
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