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HS2 C1: Compound Zero

  • Project Type Rail
  • Client HS2 – Fusion JV
  • Company Involvement Construction of the Project
  • Form of Contract NEC3 Option A
  • Dates August 2019 – October 2019
  • Location Maple Cross, Hertfordshire



Key Features

  • Compound 0 Establishment, set up of Compound parking and welfare set-down area for the Early works packages for the HS2 C1 Chiltern Tunnel earthworks and Civils packages.
  • Site clearance & topsoil stripping for compound area 5572m²
  • Earthworks cut & fill for compound 2185m³and aggregates delivery, placement & compaction (6f5 & Type 1)
  • 125mm diameter watermain installation and removal of 500mm diameter watermain
  • Roller compacted concrete road installation (3228m²)
  • In-situ concrete dished channel installation (233m)
  • Excavation & installation and backfill of 2 nr BT Box’
  • Temporary pond earthworks cut and fill 1485m³
  • Road crossing to existing haul road (1nr)
  • Placement of concrete canvas for drainage ditches (399m & 162m)
  • Excavation for and installation of oil interceptor, headwalls and culvert