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Geological Society, London, Engineering Geology Special Publications
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Geological Society, London, Engineering Geology Special Publications; 1995; v. 10; p. 299-308;
DOI: 10.1144/GSL.ENG.1995.010.01.26
© 1995 Geological Society of London

Section 4: Tunnels

Role of the contractor's engineering geologist in the construction of the New Studley Tunnel

R. J. Margerison1, D. J. Eastaff2 & K. W. Norbury1

1 AMEC Civil Engineering Limited, Chapel Street, Adlington, Lancashire PR7 4JP, UK
2 Salford University, Department of Civil Engineering, Meadow Road, Salford M7 9PN, UK

The New Studley Tunnel is a replacement for part of the Elan Aqueduct, which carries water from mid-Wales to Birmingham. The 1.3 km long, 2.8 m diameter replacement tunnel was constructed through complex Carboniferous and Devonian strata affected by folding and faulting. The contractor's engineering geologist played a part in interpreting the ground conditions from the tender stage through to the completion of the works.