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Accidents Related To Incorrect Circuit Positioning

Accidents related to incorrect circuit positioning

Study
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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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Pallet Fire In A Combustible Materials Warehouse

Pallet fire in a combustible materials warehouse

Accident report
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A fire broke out at 10:15 am in a warehouse subject to authorization (item 1510 of the nomenclature of the French classified installations) at an external storage of wooden pallets. Employees are evacuated prior to the arrival of firefighters.

The economic consequences of the event are estimated at:

  • 1,000 euros for material damage (destruction of 152 pallets);
  • 4,500 euros for operating losses (evacuation of staff for 40 minutes).

The volume of the extinguishing water is evaluated at 50 m³. No damage to the environment is noticed by the opera [...]

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Explosion Under A Bridge Deck Following A Fire Which Caused A Gas Leak

Explosion under a bridge deck following a fire which caused a gas leak

Accident report
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At around 8:55 p.m., a natural gas explosion (vapour cloud explosion - VCE) occurred on a bridge pier containing a polyethylene natural gas pipeline (DN125) passing through a stainless steel sheath, and a steel pipeline (DN 114). A fire had initially broken out at around 8 p.m. in a squat on another pier. The heat fluxes released caused the steel pipe to bend and the polyethylene pipe to melt. Natural gas was thus able to migrate through the sleeve via its couplings and form explosive pockets.

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Mobile Acetylene Cylinders : Hazard Potential Not To Be Underestimated!

Mobile acetylene cylinders : Hazard potential not to be underestimated!

Flash
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Mobile acetylene cylinders are present in all sectors of activity owing to their common use on welding machines. Even if they look like risk free, these cylinders are real hazard potential ! Five major accidents in France since the beginning of 2018 drive us to remind to users and owners the risks associated to these cylinders.
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Large-scale Fire In A Wood Chip Storage Facility

Large-scale fire in a wood chip storage facility

Accident report
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At around 3 a.m., a deep-seated fire broke out in an outdoor 50,000 m3 woodchip storage in a waste recycling facility (24 m high, located on the facility's property line). White smoke was emitted above the urban zone and the highway. Access to the site was difficult for the firefighters because of the volume of the stack. The wind propagated the flames. An expert specialised in deep-seated fires was called upon. The CASU (the INERIS Emergency Support Unit) was asked to provide models of smoke dispersion, given the possible human consequences [...]

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Video “From Incident To Media Crisis”

Video “From incident to media crisis”

Movie
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How does a technically insignificant incident turn into a media frenzy? This new film, produced by the BARPI, explains the sequence of malfunctions that led to the release of a highly olfactory component. A timeline presents how the media crisis gains momentum. Discover the experience of those who witnessed the crisis first hand and the lessons learnt from the event through numerous interviews.
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Fires In Waste Composting Activities

Fires in waste composting activities

Study
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The relative increase in disposal costs and regulatory requirements (an overall reduction in landfilling by 2025, and sorting at source of bio-waste) allow composting activities to continue to grow in France. This development is highly beneficial from an environmental standpoint, but it is accompanied by a significant increase in accidents in these activities. This document focuses on fires, the dominant hazardous phenomenon. The aim is to identify the vulnerabilities of these activities and propose measures to prevent and protect against accid [...]
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Cybersecurity And Industry

Cybersecurity and industry

Study
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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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Biogas And Corrosion

Biogas and corrosion

Flash
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Numerous forms of corrosion have been found on steel equipment used in the manufacture or transport of biogas. Three corrosion degradation modes are presented here based on events that occurred in France. It seems that corrosion should be taken into account from the design stage of the installations.
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Leak On Grey Cast Iron Pipe

Leak on grey cast iron pipe

Accident report
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At around 5 p.m., a massive explosion destroyed a 4-storey building consisting of 10 flats, killing 17 people and injuring 15 others. Two semi-detached council housing buildings were damaged (10 flats). One hundred firemen intervened, assisted by search and rescue teams: dog-handlers, heavy machinery such as backhoe loaders, etc. A security perimeter was set up. Rescue operations are made difficult by the possibility of residual gas pockets: fire hoses are installed as long as the risk is present. 274 homes were without gas while the premises [...]

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