SMALL DIAMETER TBM/PIPEJACKING | TRENCHLESS
JACKING OF TBMS IN RESTRICTED POSSESSIONS
SIMULTANEOUS
Successful simultaneous jacking of three small diameter TBMs for new culverts undera live railway during a 54-hour possession has helped to improve flood management between York and Leeds, in north England. Samuel O’Sullivan, an Engineer with Systra - part of TRU East Alliance which delivered the project, discusses the UK first
This article is based on the highly-commended paper submission to the
BTS Harding Prize Competition 2024. The Competition is named after the founder of the British Tunnelling Society, Sir Harold Harding, and is for entrants under the age of 33
INTRODUCTION The Transpennine Route Upgrade (TRU) East of Leeds (EoL) is a scheme to upgrade the railway route between York and Leeds, with Project E1 going from York to Church Fenton. This scheme includes electrification, line-speed and capacity increases along with the associated works to enable them. Project E1 has reviewed 53 structures along the section route. TRU EoL is being delivered by the TRU East Alliance,
formed of Network Rail (as both Client Organisation and participant), J Murphy and Sons, Siemens, Systra, and Volker Rail. Active Tunnelling were appointed as sub-contractors to J Murphy and Sons. They provided
specialist Early Contractor Involvement (ECI) and were also appointed for construction of the works following a competitive tender of the Approved for Construction Design. Aecom provided Environmental support to Network Rail in respect to flood modelling and obtaining consents for the works. Part of the works within Project E1 required the
replacement of an existing flood balancing culvert to provide a structure suitable for the increased frequency of rail traffic - whilst maintaining the transfer of flood waters across the railway embankment within a Flood Zone. The local area provides flood water storage for the River Wharfe.
Above, figure 1: Thrust pit tunnel boring machines during possession September 2024 | 11
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