Case Studies

Zonegreen has an array of talented engineers and a track record of excellent project management, successfully delivering projects across the UK and around the world.  The case studies below provide an example of the multitude of projects that Zonegreen have completed:

Old Oak Common- DPPS

Workers at the new Cross Rail Old Oak Common Depot, London, are now being protected by Zonegreen’s Depot Personnel Protection System DPPSTM.

Zonegreen’s advanced system has been installed on 9 roads within the depot, to ensure that all staff are benefitting from a safer working environment. Audible and visual warnings in the form of klaxons and beacons contribute towards informing working that there is vehicle movement.

 

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Banbury – DPPS with Signalling Interface

The two fuel roads and an underframe cleaning road at the new state-of-the-art rail maintenance facility in Banbury, Oxfordshire, are enjoying the operation and safety benefits associated with implementing Sheffield-based Zonegreen’s Depot Personnel Protection System.

The safety specialists have designed an interface which enables their personnel protection system to interact with the depots signalling system, making it possible for trains to enter the depot directly from the mainline.

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Widnes – DPPS

Zonegreen are proud to have completed the first installation of its flagship Depot Personnel Protection System (DPPS™) at a UK train building facility.

Staff at Alstom’s new train modernisation plant in Widnes are being protected by the most advanced depot protection system. The system provides physical protection to personnel working within the facility, in the form of Network Rail approved derailers, which prohibit any unauthorised vehicle movements. Controlled via intuitive Road End Control Panels, the DPPS™ also contains audible and visual warnings notifying staff of vehicle movements and is the most advanced, reliable and tested product of its type.

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Grove Park – DPPS

Zonegreen’s Depot Personnel Protection System (DPPSTM) has been installed on Road 9 at Southeastern’s Grove Park Depot.

The system comprises of a wheel stop, klaxons, warning beacons and a control panel which were fitted by Zonegreen’s expert engineers to protect personnel whilst they are working.

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Craigentinny – Points Converter System

A Scottish East Coast Trains depot has become one of the first in the UK to improve driver and shunter safety by investing in the latest innovation from Sheffield-based Zonegreen.

The depot safety specialist has installed it’s Points Converter system at Edinburgh’s Craigentinny maintenance facility to prevent injuries occurring when operators use manual points levers.

Four Zonegreen Points Converters have been attached to the most frequently used manual hand points at the depot to automate the switches. They are operated by a computerised control system, which provides a visualisation of the routes and can be set to allow vehicles to reach their destination without any physical intervention.

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Newton Heath – SMART DPPS including crossing barrier interface

Network Rail’s newly upgraded Newton Heath maintenance depot, has become the most recent facility to benefit from installing the Zonegreen Depot Personnel Protection System (DPPSTM).

Working with Amalgamated Construction (AMCO), Zonegreen has provided its DPPSTM and interlocking solutions to protect staff working on the 10 road shed and on the 2 fuelling roads.  The system comprising of the firm’s Network Rail approved derailers, control panels and warning beacons, also contains interlocks with the depots 2 cranes and the engine drop system.

 

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Willesden- Depot Protection and Interlocking

Zonegreen were commissioned by Laing O’Rourke to install their Depot Personnel Protection System (DPPSTM) during the upgrade of Willesden TMD as part of TFL’s £320m capacity improvement programme for London Overground.

Staff working within the six through road shed will be protected by Zonegreen’s marketing leading DPPSTM, allowing them to work safe in the knowledge that they are fully protected from any unexpected vehicle movements.

Further personnel protection is provided by Zonegreen’s interlocking system, which sees the operation of the jacks, the train wash and access to high level gantries prohibited until the OLE is isolated and it is safe to do so.

 

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Wimbledon- Points Converter System

Zonegreen have installed their points converter systems on both the Bogie Drop and the Wheel Lathe roads at Wimbledon TDM.

The points converter system provides a means of operating manual hand points remotely through the use of a hydraulic actuator. Allowing remote, automated operation of the hand points mitigates the risk posed to staff of operating heavy points leavers, and also negates the need to walk out to the points, removing the risk of slips, trips & falls as well as the threat of electrocution from the third rail.

 

 

 

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Wulkaraka- Australia- DPPS

The benefits of Zonegreen’s Depot Personnel Protection System (DPPSTM) are now being experienced by staff at the new $190 million Wulkaraka depot in Australia. Working with Australian partners, Andrew Engineering, Zonegreen are ensuring that the 500-strong workforce are now kept safe in their working environment.

The safety system combines intuitive functionality and road end control panels with graphical interfaces with powered derailers, train detection equipment and warning beacons, all operated via intelligent datakeys.

 

 

 

 

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Thameslink DPPS

Workers at London’s new Thameslink rail depots will be protected by the very latest intuitive technology, thanks to Zonegreen’s Depot Personnel Protection System (DPPS™), which has been installed at both the Hornsey and Three Bridges facilities.

In both locations Zonegreen’s technology was specified by Siemens, who is a keen advocate of DPPS™ and installs it in the majority of its depots. The system is an easy to use, cost effective method of protecting staff and infrastructure; allowing personnel to work safely whilst improving the operations of the depots.

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