operatives are called in to render it safe. The NABCO Suspect Luggage Containment Vessel (SLCV) can be used for airport passenger and baggage areas, subways, railways, mail and package sorting facilities, and office buildings. On discovering a suspect device, security staff would open an electronically-operated door, put the device inside, and close the door. Once the EOD team arrive, they can X-ray the unit using standard portable screening equipment, while the suspect bag is safely contained in the unit. An additional feature on the SLCV is Programmable Logic Control, which allows the deployment of a EOD robot to remotely open, close, and safely place the suspect item inside the containment unit. Being mobile, the SLCV can be pulled by a trailer outside the facility and by transport cart or pallet mover for EOD procedures. It can fit standard commercial elevators, and is compact enough for deployment within “in-line” screening operations for checked luggage.
June 2010 Aviationsecurityinternational
For larger and potentially highly
dangerous IEDs or improvised chemical, biological or radiological devices, total containment vessels ((TCVs) are vast steel boxes designed to contain explosive output safely. The TCV normally has two doors – one on the outside and an inside bolted blast door, with ports for sampling the air inside the vessel and for initiating a counter charge to detonate an IED. The containers can withstand an explosive force of 4.5 kg of C4/Semtex military high explosive and can contain the resultant overpressure. TCVs are distinguished from
explosives storage vessels (ESVs), which are specifically designed to contain, store, transport or protect small quantities of explosive materials rather than serve as blast containment for IEDs. They allow users in response and EOD teams to store explosives as little as just under 2m (5 ft) from occupied buildings and enable EOD teams or military units to store explosive tools or munitions
close at hand, thereby speeding response times. Typical bomb containment
structures incorporating blast mitigation technologies include the IU1200 Threat Containment Unit from Aigis and the TABREshield 1000 Explosive Isolation Unit from SDMS Security Products UK Ltd. These Total Containment Vessels (TCVs) use TABREshield, a material designed
“
...the aim is to evacuate the problem object, rather than the airport or facility...”
to absorb and attenuate each blast element by trapping energy from the explosion within a labyrinthine sponge of tiny air pockets and forcing it through a convoluted path to escape. Two other layers in the system catch any fragments and resist the pressure of the expanding hot gases.
www.asi-mag.com 23
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