Stirling – Dunblane – Alloa


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The Project

REL were engaged by Costain, under the banner of ABC, to deliver all the works associated with OLE installation route-wide between Alloa to Stirling via Dunblane.

Scope of works

The project was tasked with the electrification of 98 single track kilometres of diesel only infrastructure. REL installed all the main steel and associated SPS, including the installation and registration of all cantilevers and rigid beam tunnel equipment inclusive of associated tunnel and bridge drilling. This comprised of all the switches, aerial earth wire, high level and lineside bonding inclusive spider plates installation and associated civils foundation work.

The project involved several stations throughout the route, some of which had Historic Scotland and several complicated junctions, tunnels and bridges which needed managed and considered.

REL also delivered all the traditional conductor installation and supported the installation of all the high output wiring utilising the specially developed Alstom high output wiring train. This totaled in excess of 100 wire runs to complete the works.

REL also led the project with commissioning works and assurance associated with the ability to commission the system in advance of energisation.