Zonegreen RFID DPPS

Address: Sir John Brown Building
Davy Industrial Park
Prince of Wales Road
Sheffield
S9 4EX
Phone: +44 (0) 114 230 0822 Connect: Website: View website Contact: Contact supplier View: View supplier

Zonegreen’s Depot Personnel Protection System, commonly known as DPPS™, changes fundamentally the way in which the safety of rail depot personnel is achieved and demonstrated. Designed to provide the safest and most efficient method of controlling depot train movements, critical in today’s modern maintenance facilities. An established market leading product, Zonegreen’s SMART DPPS™ is now installed in the vast majority of UK train care depots and at depots worldwide.

Operation

Trains approaching the depot will halt at the ground level shunt signal which is interlocked with a powered derailer located at around 20 metres from the depot entrance. Access permission is given to the train by a supervisor using an operator controlled road end panel (REP). This control panel is positioned at a convenient location within the maintenance building, normally next to the depot doors, giving a clear line of sight to incoming and outgoing trains.

Only after the derailer has been lowered can the shunt signal show a proceed aspect; audible and visual warnings are activated within the depot on the road on which there is a train movement. Once the train is positioned within the depot, the shunt signal is set to stop, the warning klaxons and beacons are turned off, and the derailer is raised to prevent further movement. Zonegreen’s powered derailers are unique in having full Network Rail approval; signalling interfaces and TPWS alternatives to derailers are also available.

Electronic personal datakeys or RFID tags with varying authorisation levels – replacing the physical padlock found in traditional DP systems – operate the SMART DPPS™ and identify personnel working in different safety zones. Staff log on to the REP when they begin work, which prevents the derailer being lowered, providing them with physical protection from train movements.

www.zonegreen.co.uk

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