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Telebag Achieves near 100% Availability at Luton
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The Telebag system has been designed and developed by Logan Teleflex (Fr), (part of the Logan Teleflex global baggage systems integrator) to offer a near 100% track and trace capability during the airport movement of each and every passenger bag – from point of entry, at check-in, to destination chute collection.
Logan Teleflex (Fr) installed the Telebag solution in June 1999, in advance of the public opening of the new Terminal 2 building that Autumn. It was supplied as part of an overall contract awarded to Logan Teleflex (Fr) by the airport’s main contractor, a company called Bechtel, to design, manufacture and install a 100% Hold Baggage Screening (HBS) and sortation system.
In designing the new Departures Hall, Luton Airport’s management had planned around an additional five million passengers flying into and out of Luton every year. The new baggage handling, screening and sortation system would need to support upto 60 new airline check-in desks.
Basically, the baggage handling system comprises of four main islands, all of which are linked to ensure there is ample redundancy for each unit. Check-in desks feed passenger bags on an incline conveyor to a point where each bag is automatically loaded onto an individual Telebag cart.
The carts move around a primary loop so as to continually feed each 100% HBS line. The rapid cart system was designed so that it could cater for three levels of baggage throughput - 1,500 bags an hour in the first phase – upto 2,200 bags in the second phase and an overall capacity of 3,400 bags per hour, which could be achieved by increasing the number of carts in service in the system. The key operational constraint is that at each level of baggage throughput, the ‘bag in system’ time is now allowed to exceed 4 minutes.
In order to provide reliable and controlled cart propulsion, each cart is equipped with its own onboard motor. While the bags are in transit on the carts they are subjected to Levels 1, 2 and 3 security screening. On exiting the HBS, one of the two secondary circuits (one for every island) directs the baggage towards 50 destination chute.
A baggage re-injection line from the secondary to the primary circuits allows suspect baggage to be re-circulated to the x-ray machines for further scrutiny by security. The primary and secondary circuits are equipped with a simple maintenance tack. In addition, each island has a rapid cart extraction system.
The simple modular concept of the product and the worldwide availability of components and products ensures the Telebag’s ease of operations and maintenance. This combined with Logan Teleflex (Fr)'s systematic integration design experience, allows for exceptional availability, reliability and maintenance with availability exceeding 99.8%.
The primary lines advance on two levels by intermediary ascending and descending ramps. The Telebag system with the security equipment is installed on a platform located above the sortation hall, thereby maximising vehicle manoeuvring space.
Operator touch screens are used at check-in to remove the traditional push buttons, and provide identity, replacing the need for label reading, and additional operational information.
The 100% baggage screening integrated into the system is facilitated by the flexibility of the Telebag operation. It allows for optimal baggage tracking and efficiently manages the redundancy in the case of failure of one or more x-ray machines. Level 2 screening/tracking is carried out on the Telebag cart by the automatic code transfer.
Safety and reliability has been built into the system using a number of devices such as wire mesh panels, security doors with a magnetic badge (required for entry) and emergency power cut cables.
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