Skanska in the UK
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Public Private Partnerships
Building Information Modeling/ Virtual Design & Construction
London's M25 is one of the world's largest orbital motorways and carries 15 percent of the UK’s motorway traffic, or 200,000 vehicles a day.
In May 2009, Highways England awarded the Skanska-led consortium Connect Plus a 30-year public-private partnership contract to add capacity to the M25 and manage it and key arterial link roads. It is one of the UK’s largest ever public-private partnerships (PPP).
As part of Connect Plus, Skanska was responsible for the design, construction, financing, operation and maintenance. The construction project included four components:
The partnership also includes operation and maintenance of the whole 188 km of the M25’s existing and new road, as well as a further 188 km of ‘stubs and tails’ into London and to two of the world’s busies airports (Heathrow and Gatwick), plus the road’s 1,800 structures, including 750 bridges and 150 gantries, five tunnels and one long span bridge – the Queen Elizabeth II Bridge.
Construction was completed in two phases: the first in 2012 in time for the London Olympics, and the second in 2014. Operation and maintenance are ongoing, and the 30-year concession runs from May 2009 to September 2039, with services having started in September 2009 on financial close.
It is one of the UK’s largest ever public-private partnerships (PPP) and the benefits of the scheme include:
At the peak of construction, the team delivered a mile of road a month, employing between 3,500 and 4,000 people.
Service: Public Private Partnerships, Construction
Market segment: Roads
Concept: Building Information Modeling/ Virtual Design & Construction
As a result of environmental and sustainability considerations we re-use and recycle soils and paving materials and we generally select more sustainable materials. This results in a conservation of virgin aggregates use, a reduction in materials destined for landfill, a reduction in lorry miles and vehicle movements for deliveries/removals, and a reduction in CO2 emissions.
Benefits for the communityThe benefits of the scheme will:• improve reliability of journey time • improve safety • reduce congestion • improve information to drivers
In addition, it is recognised that the widening of the M25 is essential to secure the long-term economic prosperity of South East England.
The M25 is one of the world's biggest orbital roads, used by 250,000 vehicles a day. It's a vital artery for London and the consortium needs to keep traffic disruption to a minimum. The new lanes will help to improve traffic flows on the M25, which is one of the world's busiest roads on which users experience poor journey time reliability, especially at peak times.
Skanska, as part of the Connect Plus Consortium, will also be required to respond to incidents, provide winter maintenance, and keep the motorway and its structures in good condition over a 30 year period.
Delivery of the widening will be co-ordinated with other improvements in traffic management to lock-in the benefits of widening, such as the introduction of variable speed limits to smooth traffic flows in busy periods.
Our project covers renovating and widening two sections in the northeast and northwest quadrants of the M25, including highway design and construction, on and off slip roads and related work such as motorway control systems, drainage and landscaping. We are widening a total of 63km of the road from three to four lanes in each direction.
The project also includes complete refurbishment of the 1.2km long Hatfield Tunnel on the access road A1(M).