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Train control and signalling/rolling stock

BoozAllen & Hamilton

Contract TS-1300/TS-1900

Railway systems adopted will be at the leading edge of proven design, explains KCRC general manager, railway systems, Paul Anderson, with no significant developments need for this project.

West Rail's signalling system will have to cope with service headways as little as 105 seconds.

BoozAllen & Hamilton is the consultant for the signalling system and rolling stock. KCRC introduced a 'funnel process' to develop the specification with potential suppliers, whittling them down from seven to three that were invited to tender - Siemens, CSEE and Alcatel. Contract award is due in March.

Interfaces are a big concern, says BA&H's Kevin Gutteridge, and great emphasis is being placed on reducing ambiguity.

The specification has evolved around what the suppliers can achieve and is fine tuned as the number of firms is whittled down.

The original seven firms proposed five different approaches, ranging from 'fixed block' to 'moving block'. In the latter, trains' exact positions are known by the system, so a safe distance can be kept between them.

One requirement was to keep trackside equipment, especially signals, to a minimum, by having the information displayed in the cab, explains KCRC construction manager Siddharth Patel.

The specification for the rolling stock is also performance based. Similar trains are being ordered for both East Rail and West Rail and the contract is due to be let next month, with delivery starting in April 2001.

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