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Commentaire de morice

sur Vol MH370 : une découverte étonnante... et un mystère de plus !


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morice morice 24 avril 2014 13:41

merci pour le lien important 


d’autres ici et une phrase clé :

The airline’s chief executive Ahmad Jauhari Yahya said the cargo was not considered hazardous as long as the packaging was done in accordance with international standard

http://www.smh.com.au/world/malaysia-airlines-defends-battery-cargo-on-missing-mh370-20140323-35b41.html#ixzz2znpg19r9



bref, il se savait en faute. texte à lire
http://batteryuniversity.com/learn/article/how_to_transport_batteries
  • The vehicle transporting batteries can carry only one type of hazardous material. Brace the batteries securely to prevent damage and short circuits in transit. Non-hazardous goods on the same vehicle must be secured to prevent damaging the batteries.
     
  • Batteries must be stacked upright, pole side outwards and placed on a wooden pallet. Place honeycomb cardboard between the layers and limit the stack to three layers on a single pallet. Wrap the package several times with shrink-wrap.
     
  • Identify hazardous material with labels marked “Corrosive” using the appropriate symbols and colors. Stickers must conform to regulatory specifications.
     
  • Mark all packages, i.e., batteries, wet, filled with acid, identification number (UN 2794).
     
  • Provide a bill of lading document that includes the name of the company and shipper, contents of package, description of hazardous material and shipper’s certification.
     
  • When shipping by air, restrict the weight per package to 25kg gross (55lb) on passenger air carriers. There is no limit on the number of packages per flight.
In 2009, 3.3 billion Li-ion batteries were transported by air. Such air shipment is an ongoing concern, and an airline-pilot union has asked the Federal Aviation Administration (FAA) to ban them on passenger aircraft. From March 1991 to August 2010, batteries and battery-powered devices caused 113 recorded incidents with smoke, fire, extreme heat or explosion on passenger and cargo planes. The Portable Rechargeable Battery Association (PRBA) is aware of possible hazards and opposes any revisions in transportation rules, arguing that the restrictions would cost shippers and manufacturers billions of dollars.

car le problème serait... l’empaquetage et le palettage à bord :
The estimated failure rate of Li-ion is one per 10 million. Examining the 113 recorded incidents of transporting batteries by air in 19 years reveals that most failures occurred due to inappropriate packaging or handling, which caused damage or electrical short. Most incidents happened at airports or in cargo hubs. Problem batteries include primary lithium (lithium-metal), lead, nickel and alkaline systems, and not just lithium-ion, as is perceived. Newer consumer products have very few surprise failures caused by Li-ion batteries.
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