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Automatisms Accidentology

Automatisms accidentology

  • Study
As the second chapter of an accident analysis devoted to industrial automation within the ARIA base, this study presentes the main lessons drawn from a detailed analysis of 325 accidents of remote operated plant found in the base. These lessons and recommendations are intended to build awareness among safety professionals working at industrial facilities.
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Accident Analysis Of Industrial Automation : Sensors

Accident analysis of industrial automation : sensors

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As the first chapter of an accident analysis devoted to industrial automation within the ARIA base, this study examines in detail a selection of 345 accidents involving sensors which occurred within the sectors of Chemicals-Pharmaceuticals, Refining, Food processing and Metallurgy.
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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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Striking a balance between prevention, mitigation and intervention

  • Fact sheet
Risk management stakeholders' attention is naturally focused on the identification and reduction of hazard potentials, as well as on technical and organizational measures to reduce the likelihood of accidents. Whatever the effectiveness of the latter, the risk management approach can not be limited to this single approach, as highlighted in the following fact sheet.
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Risks deriving from the coexistence of automatic and manual systems

  • Fact sheet
Production constraints and technological developments have favored the breakthrough of automated production systems in the industry since the early 1980s. Sometimes these modern systems still coexist with older manual devices which are maintained to allow operation in degraded mode(maintenance, shutdown, or unit startup). Accidentology, however, shows that this coexistence is not without risk.
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Sensor’ malfunction

  • Fact sheet
Transmitting the information needed to analyze the situation and the actions to be taken, sensors are essential components for the proper functioning of automated driving and safety systems. Their role is increasingly important in ensuring the safety of industrial sites and the quality of their production. A study, carried out on 345 accidents occurring on French classified facilities until 2011, highlights the doubling of the average annual number of "sensing accidents" between the period 1992-1999 and the period 2000-2008 for the four industria [...]
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Are Retention Systems Passive ?

Are retention systems passive ?

  • Study
While their design may be simple, tried and trusted, and they are considered, in certain cases, as "passive" systems, retention devices nevertheless require particular vigilance. The numerous accidents recorded in the ARIA database remind us a certain number of good practices that must be applied to their design and construction, but also to their maintenance and control when in production.
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CO2 Extinguishing Systems

CO2 extinguishing systems

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Gas-based extinguishing processes become attractive when water cannot be used (e.g. computer equipment, audio/video archives, ship engine rooms), yet the associated risks must not be underestimated, as witnessed by the example of CO2 systems.
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