Case Studies
Electricity
» Overhead Line Upgrade - Workstream 5
A capital replacement and refurbishment programme to replace overhead systems operating at 11kv and 430v in East Anglia.
» AX4 Electricity and Wastewater Framework
Replacement, maintenance and automations programmes for underground systems operating at 11kv and 430v in the NW of England.
» Electricity Distribution and Multi-Utility Services Framework
New build, replacement and refurbishment of cable, overhead lines and substation assets, in the North Midlands.
» Electricity Alliance Central
A capital replacement, rebuild and refurbishment programme for sub station assets operating at 400kV and 275kV, across the North Midlands region.
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Gas
» West Midlands Gas Alliance
Gas mains and distribution replacement across the West Midlands on behalf of National Grid.
» Northern Gas Networks
Gas mains replacement, reinstatement works and new gas connections across Northern England on behalf of United Utilities.
» National Grid
Design, replacement and maintainence of gas mains across NW England on behalf of National Grid.
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Rail
» Edinburgh Waverley Signal Centre Expansion Project
Extension to the Waverley Signal Centre to house a new signal control system for the Edinburgh area.
» Knightsbridge Station
Multi-phase modernisation and congestion relief at Knightsbridge underground station, completed in 2005.
» Station Modernisation and Enhancement Programme (SMEP) Piccadilly Line
Three year programme for the modernisation and upgrade of 12 stations in Central London.
» Shepherds Bush Station Above Ground Works
Two year programme to upgrade the ticket hall facilities and transport improvements at Shepherd's Bush station.
» Shepherds Bush Station Below Ground Works
Two year programme to improve station access and relieve congestion at Shepherd’s Bush Central Line underground station.
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Roads & Bridges
» CTRL 350
Award winning 1.3km Medway Bridge to carry the Channel Tunnel Rail Link.
» Newport Southern Distributor Road (SDR)
Construction of 9.5km dual carriageway and award winning 187m single span parabolic bridge across the River Usk.
» CTRL 310
Channel Tunnel Rail Link above ground route between Dagenham and Thurrock.
» Upper Forth Crossing at Kincardine
Design and construction of a new 1.2km, incrementally launched, road bridge at Kincardine.
» Stobcross Off Ramp
Removal and replacement of the off-ramp bridge deck, on the M8 Kingston Bridge.
» A68 Dalkeith Northern Bypass Project
Construction of 5.2km single carriageway A68 link to Edinburgh and a 95m span bridge across the River Esk.
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Tunnels
» North Downs Tunnel, CTRL 410
Construction of a 3.2km tunnel to carry the Channel Tunnel Rail Link.
» Croydon Cable Tunnel
Construction of a 10km long, 3m diameter tunnel for 400kv cables and all associated mechanical and electrical works.
» Stormwater Management Contract
Design, construction and mechanical and electrical support for a new stormwater sewerage system and Terminal Pumping Station for Belfast.
» Terminal 5 Tunnels, Heathrow Airport
Design and construction of over 14km of tunnelling works for the new Heathrow Terminal 5 complex.
» Kings Cross Station
Construction of complex tunnels up to 9m internal diameter under Grade I and II listed buildings.
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Water
» Q&S II and Q&S IIIa Framework
Working in partnership with Scottish Water to deliver its £1.2bn capital investment programme in Scotland.
» AMP 4 Framework
A five year framework programme for Severn Trent's water and sewerage treatment facilities the Midlands.
» Water Metering
A three year programme of works for the installation of commercial and domestic water metering services across the South of London.
» AX4 Wastewater and Electricity Framework
A five year framework for the refurbishment, repair and maintenance of electricity, wastewater and clean water assets, in NW England.
» Esholt WasteWater Treatment Works
A two and half year programme for the design, construction and commissioning of a new activated sludge plant for Yorkshire Water at Esholt.
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