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Accidents Related To Incorrect Circuit Positioning

Accidents related to incorrect circuit positioning

  • Study
Fluid transfer is a common industrial operation. However, the incorrect positioning of transfer circuit during such operations, also referred to as poor alignment, is the cause of many accidents. This study, based on 372 events in the ARIA database, presents their characteristics and lessons learnt.
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Cybersecurity And Industry

Cybersecurity and industry

  • Study
A computer attack on an industrial control system (SCI) can cause an accident or a degraded operating mode in a factory. This document, with pedagogical vocation, illustrates through examples extracted from the ARIA database some cases that could lead to this kind of situation. In order to improve the security of the sites, a grid of questions completes the analysis as well as an item on cyber attacks types.
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Early Analysis Of Technical Or Organisational Changes

Early analysis of technical or organisational changes

  • Fact sheet
An early analysis of technical or organisational changes often proves to be insufficient, or overlooked altogether, resulting in numerous accidents. In many cases, it is simpler and less costly to use existing installations in order to develop or advance a particular process. Such a step however does require an in-depth analysis of the modifications, combined with an accurate identification of the risks tied to anticipated changes. This fact sheet presents a few examples of accidents before revealing the tools available to enable the successful [...]
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The End Of The Switched Telephone Network

The end of the switched telephone network

  • Flash
In an emergency situation and primarily in the event of a power outage, only switched telephone networks (PSTN) are operational. The traditional French operator’s plan to abandon these networks in 5 years time in favour of VoIP solutions should be anticipated.
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Accident Study Findings On Household Uses  Of Gas

Accident study findings on household uses of gas

  • Study
Every year in France, many deaths and injuries result from accidents involving household uses of gas. These events, which occur in individual dwellings off the natural gas distribution networks, are caused by a wide variety of devices so common in our day-to-day lives, e.g.: gas cookers, boilers, 13-kg bottles of butane and propane. This document presents, in the form of graphic indicators, the main characteristics, typologies, circumstances, causes and consequences of the set of accidents analysed relative to household uses of gas.
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Floating roofs

  • Fact sheet
Placed directly on the surface of the liquid, the floating roof of a storage tank allows the reduction of emission by evaporation of certain products by the gaseous sky and thus limits the chronic atmospheric pollution generated by the most volatile products. These economic and ecological advantages have contributed to their development, in particular for the storage of liquids with high vapor pressure, such as certain crude oils, naphthas or gasolines. The accidentology of the floating roof tanks confirms the need to pay attention to their ope [...]
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Pipes and joints

  • Fact sheet
In addition to cases of mixture of incompatible products, assembly errors can also cause many leakages. This can can be due to problems with joints and fittings, in particular due to wrong technical choices or clamping errors. Do not hesitate to download this fact sheet to have an overview of the accidentology.
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Power supply disruptions

  • Fact sheet
Although they are restrictive, power outages in individual homes remain mostly innocuous. On the other hand, in the case of industrial sites, any disruption to the power supply can result in a sudden shutdown of the installations and serious consequences for the units, personal safety and the quality of the environment. This fact sheet shows some notable accidents.
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Heat insulators

  • Fact sheet
Under standard operation of the installations, the thermal insulation and its protective sheath can complicate the detection of an anomaly, such as the local overheating of a part of equipment, leakage or releaf of chimicals or even of a possible heat transfer. Problems of corrosion under insulation can also be highlighted. This fact sheet presents some cases of accidents involving heat insulation.
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Design, monitoring and maintenance of industrial sludge basins

  • Fact sheet
Some industrial processes use retention basins to contain large quantities of sludge or effluents: residues of concentration or transformation of ores, TiO2 manufacture, phosphogypses, fine coal washing ... The combination of volume and nature of the substances retained, their toxic or polluting characteristics and the energy that can be released in the event of an accident may, depending on the location of the installation, generate significant risks. Focus on Accidentology. Date of the document: November 2011
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