Finland Project

Jacking Pipes

Status:

Division: Tunnelling

Location: Finland

Main Contractor: Ward and Burke

Finland Project

Jacking Pipes

In 2020 Tracey Concrete supplied Ward & Burke with bespoke wetcast jacking pipes for a major tunnelling project in Finland. The pipes were manufactured in Enniskillen hauled to Killybegs then shipped to Turku. 

Pipe Specification:

  • Diameter: 2.98m 
  • Length: 4m 
  • Weight: 20T 
  • Concrete: SCC 
  • Max jacking force: 2332T 
  • Joint pressure: 6 Bar

The TBM was lowered into the launch shaft on June 24, and the tunnelling started on June 29. Working 2 shifts jacking 24 hours a day the pipeline was complete on August 4th. An average pace of 25m per day

  • Project Details Cost: €48m 
  • Pipeline length: 804m 
  • Pipeline Turns: 3 bends 
  • Life expectancy: 100 Years

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