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This paper focuses on a novel process maturity framework developed during the targeted improvement to the Integrated Design Review and Assurance (IDR&A) Process, by the Skanska Costain STRABAG (SCS) Joint...

High Speed Two (HS2) aims to re-use a minimum of 95% of soils generated by the scheme. This poses challenges for the re-use of potentially contaminated materials. In support of...

The St Mary’s Field Museum programme of events demonstrated that it is not only safe and secure to invite members of the public on to a construction site, but that...

The management and delivery of environmental surveys on a scale as large as High Speed Two (HS2) is an inherently complex challenge. Within HS2 Phase 2a, contractors have been working...

The “Traction Substation package” for HS2 comprises the construction works for the relocation of an existing London Underground Ltd substation on the corner of Drummond Street and Melton Street. The...

An essential part of managing whole life carbon impacts of High Speed Two (HS2) Euston Station is quantifying, monitoring and reporting whole life carbon emissions through a Life Cycle Assessment...

A 450m long retained excavation to a maximum depth of 18m close to sensitive 3rd party assets will be constructed to house future HS2 tracks north of Euston station. Approximately...

The main objective of the railway drainage system is to manage surface water and groundwater to the level of service required to ensure the continual and safe operation of the...

There is limited guidance for pile design in the Mercia Mudstone, when it varies between a weathered stiff clay and unweathered weak mudstone. In this transitionary zone, it is common...

Project: Provision of a series of customer focused Virtual Reality Simulation sessions for the Phase One and 2a hybrid Bill Design, commissioned as part of two Passenger Experience and Landmark...

As part of High Speed Two (HS2)’s Innovation programme, a trial of alternative fuels was carried out in partnership with the Centre for Low Emission Construction at Imperial College London...

The HS2 Birmingham Interchange Station has been located to provide connections to multiple transport modes and routes. It is surrounded by major roads and situated close to Birmingham Airport and...

The paper aims to discuss the advantages and disadvantages of the double composite section in high-speed railway bridges from the design, construction and maintenance point of view. The paper is...

The investigation and accurate characterisation of weak rocks can be extremely challenging when fracturing and weathering creates difficulties in sampling and testing from boreholes. One such material is the Mercia...

The proposed 3.4km long Colne Valley Viaduct provides an excellent opportunity to review and optimise design methodologies for large diameter bored piles within Chalk. Whilst piles have been successfully designed...

The Colne Valley Western Slopes (CVWS) is one of the largest and most significant environmental projects on the High Speed Two (HS2) Phase One route and represents a synthesis of...

Viaducts structures are assets adopted in High Speed Two (HS2) to minimise the impact of the railway on the existing motorways, watercourses, and other low-lying developments. The design of surface...

The High-Speed route joins the West Coast Main Line at Handsacre Junction just North of Lichfield, enabling HS2 Phase One services to continue North to Crewe and beyond. All High...

High Speed Two (HS2) is a catalyst for growth across the UK. Along with this comes not just environmentally responsible landscape and ecological design but, offers a once in a...

HS2 Ltd has strategic goals for setting new standards for customer experience and health and safety in the operation of the railway and therefore requires its designers to take an...

DAARWIN[1] is a web platform that refines geotechnical design models using data collected from site. It compares the design prediction against the measured response to enable a more accurate understanding...

This paper presents the design methodology adopted to evaluate the response of a pre-cast reinforced concrete cut-and-cover tunnel subjected to an accidental fire load. The design methodology adopted a simplified...

This report describes the implementation of a data-driven approach to report creation for more efficient, standardised outputs. Vast amounts of information are required to plan, manage, and deliver the High...

Environmental DNA (eDNA) monitoring became an accepted means of surveying for great crested newt (Triturus cristatus) in 2014, following the publication of a DEFRA-funded trial, and it is now used...

This paper explores the challenges of fragmentation of green infrastructure (GI) and sustainable design solutions to preserve, defragment and strengthen GI. These approaches are explained through a series of HS2...

Landscape earthworks form a major design element on the HS2 project, integrating and screening the railway and infrastructure within the landscape. These earthworks are a critical component of the scheme,...

For any noise prediction model, it is vital that there is confidence that the forecast noise levels, within the calculated confidence limits, are going to be met in reality. This...

The scale of HS2’s environmental assessment is unprecedented. Fundamental to this is understanding the scheme impacts on Traffic and Transport, from local footpath changes to major road and rail improvements....

Swell or heave of lime stabilised high sulfate material has been the cause of numerous high profile construction failures in the last 50 years. The formation of ettringite and thaumasite...

Lime stabilisation is used to improve the condition and performance of site won materials to enable their use in earthworks fills. Fills with higher dynamic resilience are required for high-speed...