pipes, underground drainage pipes sewer renovation, WATER PIPES, tunnelling, civil engineering shaft sinking, tunneling, PTL
CURRENT ACTIVITIES: A selection of recently completed contracts:
Fulford Pumping Station, York
Main Cont: M.J. Gleeson Group, Employer: Yorkshire Water
Sinking a 10m diameter 15m deep bolted segmental shaft by caisson in soft silt alongside the river Ouse. A 1.5m diameter pipejack connecting to an existing pumping chamber. Specialist works (including working with breathing apparatus) to existing pumping chamber whilst maintaining flows.
Ovenden & Illingworth, Halifax - Phases 1 and 2
Main Cont: Kvaerner Construction Ltd, Employer: Yorkshire Water
Bolted segmental shaft sinking (up to 18m deep). 200m of 900mm diameter pipejack and 260m of 1.5m bolted tunnel (including a curved section), all in mudstone and sandstone.
Dublin
Main Cont: Civation Ltd, Employer: Dublin City Council
Sewer renovation work consisting of 4 access shafts in main roads in the centre of Dublin and 260m of GRP relining to existing brick culverts in sizes ranging from 1725 x 850mm to 800 x 500mm, including lateral connections.
Quays Development, Gateshead
Employer: Northumbrian Water
Originally 100m of 1.2m diameter pipejack together with 2 no., One Pass segmental shafts, and 300mm diameter open cut connections. Further variations were ordered for 50m of 1.2 diameter open cut works and a river outfall, 2 no., 3m caisson shafts, 1 no., 3m diameter bolted segment shaft and 130m of 900mm pipejack.

Last modified February 2001 Copyright PTL (c.e.) Ltd 2001
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pipes, underground drainage pipes sewer renovation, WATER PIPES, tunnelling, civil engineering shaft sinking, tunneling, PTL
pipes, underground drainage pipes sewer renovation, WATER PIPES, tunnelling, civil engineering shaft sinking, tunneling, PTL
pipes, underground drainage pipes sewer renovation, WATER PIPES, tunnelling, civil engineering shaft sinking, tunneling, PTL
pipes, underground drainage pipes sewer renovation, WATER PIPES, tunnelling, civil engineering shaft sinking, tunneling, PTL
pipes, underground drainage pipes sewer renovation, WATER PIPES, tunnelling, civil engineering shaft sinking, tunneling, PTL