Search for Resources:

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 HS2 project is delivering built infrastructure and natural environments on an unparalleled scale. The project affords a once in a generation opportunity to deliver nationally significant infrastructure that will…

With over 21 million cubic metres of material (equivalent to 8,400 Olympic swimming pools) earmarked to be excavated and moved across the 90 km of the northern section of the…

HS2 tunnels will pass below an existing main line railway intersection bridge near Euston, known as Bridge 7, constructed in the early 20th century. An assessment of tunnelling induced ground…

The latest London Atmospheric Emissions Inventory published by the Greater London Authority, indicated that Non-Road Mobile Machinery (NRMM) is a significant source of air pollution. This poses health risks and…

Ground Movement Assessments (GMAs) involve analysing and mitigating the damage caused by construction related ground movement on strategic utilities, operational tunnels and historically important buildings. Gaining approval from owners of…

This paper describes the process of planning and managing completion and handover, in particular the importance of starting at the early stage of a contract, defining processes, requirements and deliverables…

We have worked extremely hard to create a collaborative relationship with HS2, ensuring continued focus on the needs of both delivery partner and HS2, and creating a common approach and…

Previously, the permit system was aligned to traditional construction sites or rural areas. The team had to adapt certain aspects of the process, to ensure work could be undertaken safely…

This is the first time that a Utilities contract has had a full temporary works design and inspection regime for our traditional fencing, which is usually Herras. The favoured method…

The EWC south programme of works was in a position where the majority of physical works were finished, but only a handful of projects were formally completed. In order to…

On the 24th March 2020, CSjv initially paused in response to the introduction of “lockdown” measures as a result of the COVID-19 pandemic. CSjv recommenced where safe to do so,…

This paper discusses lessons learnt on the Technical Assurance, Quality Assurance and Handover process discipline, based on key delivery experiences whilst working on the Enabling Works Contract (EWC) on the…

Following the extensive use of demolition curtains on the Costain Skanska joint venture (CSjv) High Speed Two (HS2) Enabling Works Contract (EWC) South, a guidance document has been produced with…

Costain Skanska joint venture (CSjv) were instructed to undertake the works at the St James Garden (SJG), where the team designed and erected a unique and fully encapsulated mobile scaffold…

On High Speed Two (HS2), the contractor is responsible for ensuring that the Contract and Works Information requirements are followed. Part of these requirements is to deliver a completely self-assured…

The learning legacy of this activity is that collaborative working with relevant local authority and transport partners is now an expectation set out by HS2 for all contractors operating in…

The HS2 Phase 1 utilities portfolio consists of circa 5000 assets impacted by the line and route, defined as diversions, connections, protections, assurance, and removals. As an essential enabling activity…

The construction of HS2 will affect ancient woodland sites across Phase One and Phase 2. Translocation of ancient woodland soils to a receptor site to rescue habitats that would otherwise…

After the peak of works, many Costain Skanska joint venture (CSJV) team members were offered roles with follow-on High Speed 2 (HS2) contracts which delivered on career progression and job…

The HS2 Interchange station is the proposed new parkway station for High Speed Two (HS2) to be located in Solihull, West Midlands. Situated within a triangle of land bound by…

Undertakings and Assurances (U&As) on Phase One of the High Speed Two (HS2) project requires HS2 to engage with the Woodland Trust for works within, or within 100m of, an…

At the start of the High Speed Two (HS2) Enabling Works Contract (EWC), there was a requirement to swiftly instruct consultants to gain consents, expediting the priority works. A desire…

The Transition stage of the project lifecycle is the change of state from delivery to operation, which in context for the Enabling Works Contract (EWC) South, relates to successfully enabling…

The Enabling Works Contract (EWC) on the northern section of High Speed Two (HS2) Phase One is delivered by the Laing O'Rourke Murphy joint venture (LMJV). LMJV is a contract…

The Euston Power Signal Box (PSB) office utilised an integrated digital system, enabling all site activities to operate under a paperless system with full engagement from the key supply chain…

Many watercourses in London are historically culverted and built over. The main watercourses that needed to be monitored during the High Speed Two (HS2) Enabling Works Contract (EWC) were between…

Early identification, adoption and system development for the workflow management of deliverables is critical to overall success of a project. Looking forward, the Super Master Information Delivery Plan (MIDP) should…

This paper details the approach taken by the Enabling Works Contractor of the southern section of High Speed Two (HS2) Phase One to achieve an 'Excellent' score for the BREAAM…

The approach that Costain Skanska joint venture (CSjv) took to meet environmental standards and requirements on High Speed Two (HS2) was highly successful and a result of excellent initial understanding…