HPC Marine Works

HPC Marine Works


Project Overview

Client: Costain
Project Name: HPC Marine Works
Location: Avonmouth Docks
Sector: Industrial
Project Value: £4.9m
Engineer/Architect: Ramboll
Project Period: January 2017 to December 2017

Churngold were awarded the contract by Costain to build the segment factory which will produce the 7m diameter concrete ring sections for the two cooling tunnels and the 8m diameter concrete ring sections for the outfall tunnel for the new Hinkley point C nuclear power station, in total 38,000 concrete sections will be produced.

Subcontract Works

Churngold used their nationally renowned experience in delivering the full range of Groundworks solutions to deliver the following works:

  • Pile Cap Foundations (pre cast piles)

  • Bolt sets

  • Storm and Foul system & connections

  • 68,000 litres Foul Storage Tank

  • Linear drainage

  • Surfacing

  • New ducting and services

  • Construction of Sub-station

  • Reinforced concrete retaining wall

  • Concrete Batching plant

  • Service Diversions

  • FM3 5,000m2 Concrete Floor Slab

  • Type 1 sub base Preparation for external concrete slabs

  • Type 1 sub base preparation for roads

Challenges Successfully Managed

  • Tidal groundwater at depth

  • Contaminated ground

  • Obstructions

  • Existing Services

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