Tunnelling & Pipejacking
1200mm diameter ISEKI TBM about to undertake a 40m pipejack crossing underneath the Chester-Holyhead Railway Line at Croes Atti for Costain / Welsh Water.
2.10m diameter 'Roadheader' arrives in Edinburgh to carry out a 200m long segmental tunnel for Scottish Power.
Launching a 1200mm diameter TBM from the drive shaft at Llandudno, Wales for Daniel / Welsh Water. In total the machine carried out 2 pipejack drives over 250m successfully.
1500mm diameter 'Backacter' Open Faced Shovel Machine ready to go to work in Chester for Daniel / Costain / Welsh Water.
1500mm diameter 'Backacter' Machine being launched from the 'Drive Pit' in Wigan, on a project for Shepherd / E. Wright / U.U.
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, to EPBM machines for wet sands and silts or even 'Roadheaders' for moderately strong rock.
Donegan also specialise in Timber Headings, with a typical example shown here.
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Registered company number 2764289, V. J. Donegan & Co. Ltd, Progress House, 396 Wilmslow Road, Withington, Manchester, M20 3BN | Company VAT Number GB 603501982
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