Hazardous areas and safety

Electric and control systems in any hazardous area, eg. mines, chemical and petrochemical industries.


 

Articles in this Section

Remote monitoring of bulk explosive storage facilities

The application of electronic monitoring and control equipment provides for the safe storage and transfer of material in bulk explosives silos
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Substation accident – a case study

This discussion revolves around a particular fatal incident, the causes and what could and should have been done to prevent it.
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Overview of NFPA70E 2015

This article outlines changes between the 2012 and 2015 editions of NFPA70E with a general overview for the novice electrical safety practitioner.
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How to calculate an intrinsically safe loop approval

We all know what can happen when the correct techniques are not used in a hazardous area. Using Intrinsic Safety (Ex i based on IEC/SANS 60079-11 and IEC/SANS 60079-25), the energy in the hazardous area is limited ...
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Hardened IP camera solution for NamPower’s Gerus substation

Installation of an IP camera system for monitoring substation equipment: a case study.
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Classification of hazardous locations

It is imperative that industry accepts responsibility in educating, training and exposing personnel to the basic processes of hazardous locations.
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Optical sources of ignition in hazardous areas

Fibre optic links and some laser analysis techniques can all achieve solutions with operational integrity at this power level with an adequate margin of safety.
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NFPA 70E - Reflecting on the past

A fire which broke out in the Asch Building Greenwich Village area in New York City in March 1911 claimed the lives of 146 people, mainly women. The building comprised several small garment producing factories.
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ISO compliance should be compulsory

ISO (International Organisation for Standardisation) is a voluntary set of systems for companies around the world whereby they gain accreditation according to certain standards.
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Analysis of an existing fire detector system

A principal objective of a fire and gas system design is to reliably detect, alarm, and, if necessary, take automatic action to mitigate a fire hazard, combustible gas hazard, or toxic hazard.
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Explosions - what causes them?

As a rule, for an explosion to happen, three factors must be present at the same time: flammable substance, oxygen (air) and source of ignition.
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