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Our projects deliver critical infrastructure spanning the energy, highways and rail sectors. Our integrated self-delivery model enables us to handle large-scale projects while maintaining consistent attention to detail and safety.
Operating as the Engineer, Procure and Construction (EPC) contractor, we were responsible for the delivery of all civil and electrical design and build elements associated with the Bumpers Battery Energy Storage System (BESS) & connection, the joint largest BESS in Europe at it’s time of completion.
The scope of work was broad and all-encompassing, consisting of every element required to construct a 100mW Battery Storage solution connected to the Grid. Key sections of our delivery included the design and construction of two 50mW Battery Storage solutions, each with a 132kV substation connection.
We provided all the work required to design, construct, install, and commission each phase of the BESS systems, including extensive ducting systems and multicore cabling. The scheme’s key requirement and achievement was the concurrent delivery of both 50mW phases and their respective 132kV connections.
The Greenlink Interconnector Scheme (500MW) will transfer power using high voltage direct current (HVDC) via submarine and underground cables over approximately 200km between two converter stations located in Wexford, Ireland (EirGrid) and Pembroke, Wales (National Grid). The power will be able to flow in either direction, depending on supply and demand in each country. We were awarded the contract to deliver key civil engineering works on the Pembroke Converter Station.
Our teams successfully delivered the pivotal Converter Station Control Room by implementing an innovative precast concrete solution, later clad to enhance programme efficiency compared to conventional in-situ concrete methods. The DC Hall, Converter Hall, and Storage Buildings were constructed as steel portal frame and clad structures through collaboration with our strategic supply chain partners.
The M621 Junction Improvements scheme enhanced safety and traffic flow along this urban motorway, which runs 6.5km through the district of Leeds. This motorway is critical for connecting Leeds city centre to surrounding areas, from Junction 27 of the M62 to Junction 43 of the M1, facilitating up to 100,000 vehicles per day.
Executed as a design-and-build scheme, the improvements were designed to alleviate congestion and improve motorists’ overall driving experience by enhancing carriageway infrastructure and advanced technologies. Our scope of works was broad and varied, providing extensive technology upgrades through the introduction of new motorway communications systems, provision of extensive hard and soft landscaping, major drainage renewals and upgrades, introduction of vehicle restraint systems and extensive surfacing to the East & Westbound tracks of the key arterial route.
We are constructing a new 61m bridge across the main Sheffield to Leeds railway line. The steel, cable-stayed bridge sits on top of two reinforced concrete abutments and have a total span of 61 metres. The project also includes associated road junction improvements and public realm upgrades.
The construction of Market Gate Bridge utilises our integrated self delivery approach, utilising capabilities from our various business unit and providing maximum project control to Barnsley MBC via optimised self-delivery solutions.
The bridge deck was prefabricated offsite, to optimise quality and provide programme certainty. We have utilised our in-house Wentworth House Partnership design service to provide an effective temporary works design. We have installed 24no x 750dia x 18m depth CFA piles, provided by our Piling teams.
Due to the project being let as a 2-stage tender, we were able to engage with East Riding of Yorkshire Council (ERoY), throughout the early contractor engagement period to influence project buildability.
Initially, there was limited design information available for road construction. We suggested the use of trial holes and CBR testing of drive improved design, which was subsequently accepted and amended.
The amended design considered newly provided ground information and although the planning process was elongated within the design stage, it ensured efficient onsite delivery without delay.
The 132kV AC Line is a double circuit route that runs from Dolgarrog to Connahs Quay. The Northern Circuit comes through into Holywell, Kinmel Bay, and Colwyn Bay and connects to the AD (Pentir) Line just outside Dolgarrog at Tower AC192A.
We undertook tower steelwork condition assessments, with a corresponding detailed report, along with the replacement of:
The project involved the design and construction of linear flood defences across 15 sites along both banks of the river Loxley from Malin bridge to the confluence of the rivers Loxley and Don. The project is designed to alleviate flooding in the Hillsborough, Malin Bridge and Owlerton areas of Sheffield.
Our main scope of works included the construction of new structural concrete retaining walls (1.5km long); Raising and strengthening of existing walls, including the installation of steel beams to counteract flood pressures; Ground raising (clay earthwork bunds, 1m x 60m); Embankment construction, including brick clad walls with copings along the whole section of defences; Utilised a bulk bag dam to enable works on retaining walls; Construction of bridge parapets along the Penistone Road Bridge; Installation of sheet pile walls rather than demolition of pre-existing buildings; Vibration free piling used throughout installation of the sheet piles; Demolition of existing balconies, and installation of new balconies with demountable flood defences; Installation of demountable flood barriers on Rudyard Mews, approximately 40m in length total; And removal of an existing weir to assist with works.
We were awarded the £8M multidisciplinary design-build contract for Norwich Victoria Sidings project in April 2019. The project was to upgrade and renew train sidings to enable stabling capacity for trains to accommodate the increased passenger service and to incorporate the renewal of adjacent structures and conductors on the Great Eastern Main Line.
The D&B project (GRIP stages 4-8) involved carrying out efficiency upgrades to railhead. We were responsible for design and construction of Civils, Track, OLE, M&E, Signalling and telecom. This included:
