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Corrib Gas Tunnel Project – Video

Each and every project we complete at Shay Murtagh Precast brings us satisfaction and drives us to improve, create and build our team for the next challenge.

One of these challenges was Shell – Corrib Gas Tunnel project. The tunnel was one of the largest contracts completed in Ireland over the last number of years alongside the fact that the completion of the 4.9km long tunnel is Ireland's longest tunnel to transport gas, which is from the Corrib Gas field under Sruwaddacon Bay to the terminal.

We were awarded the contract to manufacture the precast concrete tunnel segments. Tunneling began in December 2012 and our team completed the project in May 2014. In advance of manufacture testing of the rings was completed in Wuppertal University in Germany as consistency and quality were crucial as tolerances required were 0.5mm for the contract.

Just over 4,000 rings were manufactured, each one to correct specifications and delivered to Mayo. This is a project Shay Murtagh Precast are delighted to have partnered in with BAM/Wayss Feytagg and proud to have as part of our portfolio.

Acknowledging the work completed Shell has just launched a campaign called People and Progress. We invite you to take a look at the positive impact this project has had on business, including that of Shay Murtagh Precast which features Liam McGovern our Commercial Director.

We again thank all the team in Shell and BAM/Wayss Feytagg and invite you to view the video and read about the campaign.

Some facts about the project:

Client: SEPIL
Main Contractor: BAM / Wayss Feytag JV
TBM: Herrenknecht
Segment Moulds: Herrenknecht Formwork
Ring Diameter: 3.50m
Depth: 250mm
Ring Width: 1.20m
Segments: 5+1
Total length of Drive: 4,908m
Reinforcement Type: Steel Fibre Reinforcement   (Arcelor Mittal) HE++ 90/60
Gasket Type: M385 87a type “Grone Hart” PDT profiles (Datwyler)
Dowels: Sofrasar T25 x 105
Total m3 of Concrete: 16,250 m3
No. of Rings: 4,090 nr.
No. of Segments: 24,540 nr
No. of Rings Per Day: 8 – 14 nr.
Total Labour Hours: 75,000 hrs.
% of rejected Segments: 0.00 %
No. of Loads: 1,500 nr.
Average Loads Per day: 5 nr Loads
No. of trailers: 10 trailers
No. of tractor units: 5 tractor units

Watch Video:

https://www.youtube.com/watch?v=JejQZTgkxXQ

Read More About Concrete Tunnel Segments


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