Tunnelling projects for major water companies
The Company is a leading Tunnelling and Pipejacking contractor, with a proven track record for the major water companies, including United Utilities, Yorkshire Water, Welsh Water and Northumbrian Water.
With the Company being ’Link Up’ accredited we have the expertise to carry out underground crossings of Railway Lines, Motorways and Rivers.
Pipejacks and Tunnels ranging from 600mm diameter upto 2.10m diameter can be undertaken using various types of machines suited for varying ground conditions.
From open faced ’Backacters’ suitable for good dry clays, EPBM’s in water bearing clays, full faced TBM’s for wet sands / silts, or even open faced ’Roadheaders’ for moderately strong rock.
Donegan also specialise in Timbered Headings, and carry out augerbore / thrustbore pipe installation.