-
3 April 2025 - Technical Paper
In 2019 HS2 Ltd, as the client organisation and delivery body for High Speed Two (HS2), faced the challenge of launching major construction activities across its four main civil engineering…
-
3 April 2025 - Technical Paper
High Speed Two (HS2) is a project of immense economic scale. In 2016, HS2 Ltd, as the client organisation and delivery body for HS2 faced the challenge of onboarding construction…
-
3 April 2025 - Technical Paper
In 2013 HS2 Ltd, as the client organisation and delivery body for HS2, was a new client, with no mandate (Act of Parliament) and no captive supply chain. It was…
Supporting materials
-
11 March 2025 - Technical Paper
This technical paper provides a summary of the design stage associated with the development of replacement floodplain storage (RFS) and how environmental benefits have been integrated into the design process.…
-
13 January 2025 - Technical Paper
The design of integral bridges may entail significant advantages in some cases as the elimination of bearing devices and structural expansion joints results in a clear improvement of the functionality…
-
9 January 2025 - Micro-report
HS2 Ltd is committed to minimising the carbon footprint of HS2 towards a goal of net zero carbon emissions. The Net Zero Carbon Plan supports this objective and HS2 Ltd…
-
9 January 2025 - Case Study
Being of one of Europe’s largest infrastructure projects HS2 has the potential to redefine the way we shape our environment. The development of this scheme provides an opportunity for HS2…
-
12 December 2024 - Good Practice Document
This is a summary of good practice and lessons learnt from the Phase One Enabling Works and Phase 2a Ground Investigation and Early Environmental Works about how best to deal…
-
9 December 2024 - Micro-report
The extension of Bromford tunnel by 3km represents a major design change; how was this achieved without additional land take whilst also bringing wider benefits? Although an extended tunnel reduces…
-
9 December 2024 - Case Study
Risk assessment methodologies have been published by industry bodies to predict dust risk from construction activities. However, they involve simultaneous evaluation of multiple factors and variables, so these assessments are…
-
2 December 2024 - Technical Paper
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,…
-
2 December 2024 - Technical Paper
A review of construction activities within High Speed Two (HS2) construction sites determined that haul roads are a major contributor to fugitive dust emissions, and can have significant detrimental effects…
-
2 December 2024 - Case Study
Balfour Beatty VINCI Joint Venture (BBV) is contributing to the “cleaner, greener future” in High Speed 2 (HS2)’s Net Zero Carbon Plan by striving to reach a 50% reduction compared…
-
2 December 2024 - Micro-report
As part of demolition works for the northern section of the High Speed Two (HS2) Phase One, the Main Works Civils Contractor - Balfour Beatty VINCI (BBV), will handle an…
-
2 December 2024 - Technical Paper
Environmental noise from the HS2 Railway is the product of the complex interaction of its constituent subsystems (i.e., train, railway systems and civil infrastructure) within the operational parameters of the…
-
25 November 2024 - Technical Paper
This study has shown that London Clay, that is moderately reactive, can be successfully processed into Calcined London Clay (CLC) to be used as an alternative cementitious material in concrete.…
-
25 November 2024 - Technical Paper
Railway tunnel ventilation systems present particular problems for predictions of sound emissions, including the relatively high volumetric flow rates, and a lack of well-established models and empirical data. An investigation…
-
25 November 2024 - Micro-report
This paper details the approach taken to developing an innovative electric powered piling rig as part of the approach to achieving a diesel-free site on Euston Approaches as part of…
-
25 November 2024 - Good Practice Document
This article explores HS2’s approach for carbon reduction, emphasising their collaborative partnership with Cerclos in implementing Life Cycle Assessment (LCA) methodology, through the eTool software. HS2 and Cerclos have worked…
-
25 November 2024 - Micro-report
Community Resource Information Support Platform (CRISP) is a web-based platform which allows the full value of resources to be realised. Sites are able to share surplus goods with one another,…
-
25 November 2024 - Technical Paper
Existing digital in-transit truck monitoring technology has been utilised in a novel way to directly replace standard concrete compliance testing of fresh properties (i.e. concrete consistence). The adoption and validation…
-
25 November 2024 - Technical Paper
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…
-
25 November 2024 - Technical Paper
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…
-
25 November 2024 - Technical Paper
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.…
-
25 November 2024 - Technical Paper
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…
-
25 November 2024 - Technical Paper
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…
-
25 November 2024
This paper is based on work to deliver Euston station as part of the High Speed Two (HS2) Phase one works, being delivered by the Euston Integrated Project Team (IPT)…
-
25 November 2024 - Case Study
HS2 uses noise prediction models for assessing the impact of high-speed trains in the surrounding environment and to inform mitigation requirements ([1] and [2]). The HS2 noise prediction model is…
-
25 November 2024 - Good Practice Document
Grendon and Doddershall Meadows Local Wildlife Site (LWS) is located just over 1km west of Quainton in Aylesbury, Buckinghamshire. The LWS citation states that the 24.5 hectare (ha) area was…
-
25 November 2024 - Technical Paper
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…
