Bay watch
May 1st 2006 To protect its workers from the threat of drive-aways, Crisp manufacturer, Walkers' Crisps has installed Castell's Salvo system in a total of 89 loading bays across four distribution centres.
Having reversed their trailer into position, drivers collect a Salvo lock from a box next to the loading bay door. The emergency airline is removed and the lock fitted to the airline coupling, causing the trailer's brakes to be applied thus immobilising the trailer. A uniquely coded key is released from the end of the lock and inserted into an electrical switch, also located next to the bay door. Turning the key illuminates a green light inside the bay and a red one outside, alerting operatives it is safe to load.
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