Firmus Energy required a crossing of the River Foyle to consolidate the security of gas supply in the City of Derry and its surrounding area. The brief was to install a 355mm diameter gas main between Culmore and Strathfoyle.
The final positioning of the pipe string could only be undertaken at the weekend due to it crossing the school bus access at Thornhill College; the pipe was installed in the early hours of Monday morning which enabled the school to open as normal.
The success of the River Foyle HDD was down to meticulous pre-planning in designing solutions for all the engineering and community/social issues involved which the on-site team then delivered with professionalism and hard work.
- Utility: Gas
- Length: 630m
- Depth: 80m
- Pipe: 1 x 355mm SDR7.4
- Geology: Schist