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Bristol Resignalling Scheme

Farnham Re-Signalling The Bristol Re-signalling Project was awarded to Alstom to deliver the design, supply, installation and commissioning of the current life expired signalling and power system. As well as a relock and re-control of the area, the project’s main driver is to provide an Alternating Current (AC immune) and electrification gauge compliant signalling system ahead of running the first electric passenger train to Bristol.

The scope of works approximately totals 703 SEU’s which includes the re-control of the Bristol Power Signal Box Area (excluding Bristol South) to the Thames Valley Signalling Centre in line with the National Control Centre Strategy. The new signalling system is to be relocked and re-controlled under the ‘85% compliance approach’ which assumes existing signal positions remain largely unchanged. As part of the scheme the Filton Bank Area (and associated signalling infrastructure) is to be four tracked to facilitate capacity improvements between Dr Day’s Junction and Filton. Other id-platform signals at Bristol Temple Meads are set to be installed to replace those at St Andrews Crosses.

To date RTIS has supported Alstom on this project with Signalling Supervisory & skilled IRSE signalling teams for a period in excess of 35,100 man hours (up to Nov 2016) with zero reported accidents or RIDDORS. Installation works have been conducted during day and night time working with a large concentration of weekend possessions being utilised for installing major 4ft equipment, signalling changeovers and other signalling works.

Client

Alstom

Project Value

£1,400,000

Duration

November 2015 — Ongoing

Activities Undertaken

Provision of Signalling Supervision to plan & deliver works
Installation of new K type Axle Counters
Installation of new DC track circuits
Installation of new TPWS & AWS
Cable Diversion works and modifications to new location cabinets & REBs
Installation & Termination of new disconnection boxes
Installation & Termination of cables into FTN cabinets
Cable Jointing of various multi-core signalling cables
Quality and Audit checks on 4ft equipment and works in location cases
Installation Support to Alstom Signal Works Testing staff


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