Case Studies
Water
» Welsh Water Asset Investment Framework AMP4 / AMP5
A 10 year framework to improve sewerage networks, including project management, design, construction and maintenance of 400 assets in 33 river basin catchments.
» Scottish Water Solutions Q & S IIIa
A framework comprising of more than 100 individual projects running concurrently over a four year period, including installation of new inlet screens, intruder detection facilities, and upgrading of control, monitoring and telemetry systems.
» Esholt Waste Water Treatment Works
Upgrade to a Waste Water Treatment Works, including new percolating filters and install of an activated sludge process.
» Stoke Newington to New River Head Ring Main
Construction of a 5km tunnel to connect a major water treatment works to the London Ring Main.
» Frankley Water Treatment Works
Construction of a Granulated Activated Carbon (GAC) water treatment plant, built on an existing Water Treatment Works.
» Network Maintenance and Associated Services
A wide range of reactive and planned core network maintenance and development services for South East Water (SEW).
» Neiley Waste Water Treatment Works
Upgrade of Waste Water Treatment Works, including construction of a new Activated Sludge Plant (ASP) to replace old filter beds.
» Trimpley Water Treatment Works
Refurbishment of three major pumping stations which will provide 120 mega litres of water per day to Frankley Water Treatment Works, Birmingham.
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Transport
» A90 Grade Separation
A full grade-separated interchange on the A90 at Portlethen, Aberdeen.
» Kincardine Upper Forth Crossing
Design and construction of a multi-span, incrementally launched concrete bridge over the River Forth near the village of Kincardine.
» Terminal 5 Tunnels, Heathrow Airport
Bored tunnelling works for Heathrow Airport's new Terminal 5.
» BAA Airfield Infrastructure Framework
A framework to provide high quality airfield pavements for BAA's South East and Scottish airports, plus other services including storm drainage networks and ground lighting electrical networks.
» A68 Dalkeith Northern Bypass
Design and construction of 3.5 miles of 9.3m wide single carriageway road, plus construction of a 95m span bridge across Scotland's River Esk.
» King's Cross Underground Station Redevelopment
A redevelopment project to upgrade the exisiting Underground station in Central London.
» M1 Widening Scheme Junctions 21-30 Contract One
Construction of an extra lane in each direction for a 23km stretch of motorway in Nottinghamshire. Also includes associated widening, strengthening or replacement works for 45 existing bridge structures along the route.
» Docklands Light Railway Woolwich Arsenal Extension
A multi-disciplined project to construct two 1.8km, 6m diameter tunnels under the river Thames, including associated piling, communications systems and rail works.
» A1 Trunk Road Dishforth to Barton Improvement Scheme
Upgrade of 38km of North Yorkshire's A1 from two-lane carriageway to dual three-lane motorway, plus construction of hard shoulders, all ancilliary work and a single carriageway local access road for non-motorway traffic.
» King's Cross Redevelopment Project, Package 3a
Shortening of platforms five to eight at London's iconic King's Cross station. Work includes relocation of buffers, alterations to overhead line electrification structure, modifications to signals and removal of a footbridge.
» A1073 Spalding to Eye Improvement Scheme
Construction of 21.5km of 7.3m wide single carriageway road, to run between the existing A47 at Eye (Cambridgeshire) to Spalding (Lincolnshire).
» M74 Completion Project
A new 8km, dual three-lane motorway passing through Glasgow's East End.
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Energy
» Northern Gas Networks
Gas mains replacement, purge and relight activities, reinforcement and extension in the Yorkshire and Humberside regions.
» Central Networks Electricity Distribution
A wide range of activities for Central Networks, covering the installation of water mains, low and high voltage cables together with associated connections and metering.
» Capital Works Programme Work Stream 5: Overhead Lines
Refurbishment and replacement of high and low voltage wooden pole overhead distribution
lines covering 7,000 square miles across East Anglia.
» Gas Distribution (West Midlands Gas Alliance)
The replacement of 2,800km of gas mains in residential areas of the West Midlands.
» Drax Biomass
The provision of civil engineering works for the largest co-firing biomass plant in the world.
» Electricity Alliance Central
A capital replacement, rebuild and refurbishment programme for substation assets operating at 400kV and 275kV across the North Midlands region.
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Other Sectors
» Faslane SSN Berthing Project
Design and build of a modern, cost-effective floating jetty for the Ministry of Defence (MoD).
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Tunnelling
» Croydon Cable Tunnel
Construction of a 10km long, 3m diameter tunnel for 400kv cables and all associated mechanical and electrical works.
» Belfast Sewers Project
Design, construction and mechanical and electrical support for a new stormwater sewerage system and Terminal Pumping Station for Belfast.
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