HazardEx - Features

10 proof testing principles 22 January 2021

The following is a briefing note on 10 proof testing principles from the Functional Safety Special Interest Group (FS-SIG), a group within the Institute of Measurement & Controls that is responsible for promoting the awareness and understanding of safety-related topics associated with measurement and control....

Ex-SIG Briefing Note – Ex ‘d’ Flanges – Installation 19 January 2021

It is often assumed that painting of flanges on Ex ‘d’ enclosures is not allowed, but the protection technique does not rely upon the maintenance of a gap; it depends upon the gap not exceeding the dimension specified....

Safety systems – why fitting SIL Systems is only the start of it 16 December 2020

In this article, Matthew Morton, Technology Director and Functional Safety Engineer (TÜV Rheinland) at Inspec Solutions, looks at the importance of carrying out SIF (Safety Instrumented Function) proof testing of SIL (Safety Integrity Level) rated systems, to meet proof test schedules and ensure continued plant safety, particularly in hazardous environments....

Managing the safe introduction of hydrogen 16 December 2020

Climate change is one of the biggest challenges facing humanity in the 21st century. The Paris Agreement goal to limit the global temperature increase to well below 2 degrees requires deep decarbonisation. At the same time, ensuring a sustainable, reliable and affordable energy supply during the energy transition introduces new challenges....

Toxic gas management: a review of the strategy behind BS 60080:2020 16 December 2020

On premises where toxic gas is used, stored or created, a Gas Detection System may be required to protect the occupants or people on site. In many cases, a Fixed Gas Detection system is required. BS 60080:2020 has been recently published to provide standard guidance to Design Engineers and relevant parties involved with these systems. This paper reviews the strategy behind the standard’s approach to addressing the Toxic Gas risk....

Low and medium intensity: how to choose aircraft warning lights 15 December 2020

Aircraft warning lights are high-intensity lighting devices designed to make tall structures more visible during both night and day. In general, there is no single standard that defines the mandatory minimum requirements governing the design and installation of obstruction lighting....

Process Isolation Practices: an industry wide view 15 December 2020

As an experienced risk engineering manager within the high hazard process industries, Dr Jason Shirley has had the privilege to have a view of the operating practices across multiple energy installations around the globe. During the work, process isolations are always of interest, and it has been an interesting exercise to collect thoughts into one place with a view of typical approaches to this process safety element....

Unlocking the potential of data in offshore maintenance records 14 December 2020

Today’s increased focus on digitalisation is interwoven with the oil and gas industry’s drive towards greater cost and production efficiency, understanding and application of complex digital systems, to ultimately improve safety and sustainability....

A guide to using cathodic protection systems in hazardous environments 18 November 2020

For mission-critical steel structures, like industrial pipelines, tanks and bridges, it is commonplace for cathodic protection (CP) systems to be used to protect key assets from the ongoing threat of corrosion. However, this can be easier said than done if those assets are situated in hazardous environments where sources of ignition could spark a major explosion....

Intrinsically safe, on-stream ultrasonics to combat sulfidation corrosion 17 November 2020

In this article, Tim Stevenson, Development Director at Ionix, evaluates the benefits and challenges of detecting and monitoring sulfidic corrosion, a ubiquitous damage mechanism in refineries, and how new, intrinsically safe ultrasonic technologies have emerged to meet the updated standards and best practices....

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