HS2 C1 – Chalfont St Peter Vent Shaft Enabling Works
- Project Type Rail
- Client Align JV (Bouygues Travaux Public/Volker Fitzpatrick
- Company Involvement Civil Enabling Works Sub-contractor to Align JV for Access Road and Site Compound Establishment
- Form of Contract NEC3 Option B with Activity Schedule
- Dates Jan 2020 - August 2020
- Location Chalfont St Peter, Hertfordshire
The Project comprised the enabling works for the Chalfont St Peters Vent Shaft for HS2. The works included the construction of a site access from the A413, access road to the vent site and the construction of the associated site compound. The scope included :-
Key Features
- Site clearance (trees & hedges)
- Boundary Fencing (Timber post & rail & Herras Security)
- Earthworks involving 30,000m3 of cut/fill
- Construction of 450m of surfaced access road
- Site Compound Set Up (RC works, drainage, aggregate fill and surfacing)
- Stabilisation of Working Platforms & Road formation
- Shaft Platform Drainage works
- Construction of 2 No. attenuation Ponds (1 No. lined)
- Ducting installation to Piling Platform & Access road
- Watermain Installation to Site Compound, Piling Platform and Access road
- Aggregate importation & Placement for Site Compound Car parks and Shaft Piling Platform
- Junction Works at Site Entrance on A413
- Installation & Commissioning of Traffic Signals on A413
