Pynesfield quarry was a disused quarry that required ground remediation in order to allow for the placement of the treated tunnel arisings from the Chilterns twin 10-mile tunnels that form part of HS2 section C1.
This contract comprised of the following scope:
Key Features
- Site De-vegetation
- Asbestos Management
- Drainage Works
- Retention Pond Construction
- Regrading of Site to Required Profile
- Installation of 108,000m2 of Geotextile & Geogrid
- Import and levelling of 50,000T of general fill
- Import and Placement of 100,000T of Granular Fill for a Combined Drainage Blanket and Working Platform Layer
- Installation of 77,000 Vertical Band Drains