DC switchgear renewal at Petts Wood, and contruction of new TP hut
In July 2018 Sunville Rail Limited were contracted as part of an early engagement to liaise with designers
and the project team at Siemens to construct a new brick-built DC Track Paralleling Hut including all associated
cable, route works and safe access.
The early engagement allowed Sunville Rail's experienced project team to advise on design requirements to
enable the works to be completed within extremely tight timescales, with limited access.
This high-profile contract required the installation and commissioning of a new DC switchgear to replace the
life-expired existing building and electrical components at Petts Wood, Orpington, Kent.
The redundant T.P. Hut building had been out of service since 2008, when it was struck by lighting and caught
alight rendering the equipment within unusable. Sunville Rail liaised with local council and residents to enable
safe access via a local housing estate. Works involved excavating the area adjacent to the existing T.P. Hut
building to construct a new building to house the new electrical components.
The foundations required the pumping of concrete in excess of 300m with all materials and scaffolding
delivered via local footpaths and woodland. The project was critical to the introduction of the new December
2018 timetable change for the TOC.
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