New LU tamping machines to enter traffic

One of London Underground’s two brand new £3.5 million B45 Matisa Tamper units stands at Ruislip on December 9. TRANSPORT FOR LONDON.

London Underground (LU) has taken delivery of two new tamping machines.

Costing £3.5 million each, the B45 Matisa units arrived at Ruislip depot on December 4 for seven weeks of acceptance trials, prior to entering into full service. LU will now phase out two of its three Class 07 Plasser plain line machines that are unable to tamp points and crossing (P&C) layouts.

LU also retains a Plasser compact P&C machine, but this is not capable of lifting and slewing large concrete modular track layouts efficiently, necessitating the B45s that had been ordered in 2014.

LU Senior Project Manager Lee Gladstone told RAIL that the existing machines, built in the 1970s, had become life-expired. This is because current P&C renewals use a newer design of long concrete bearers that weigh considerably more than the older timber layouts they often replace.

  • For more on this, read RAIL 790, published on December 23.

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  • Andrewjgwilt1989 - 19/12/2015 08:57

    This tampering unit will be ideal for London Underground to improve and maintain all 11 tube lines (that includes 4 sub-surface lines) to keep the London Underground moving without any disruptions and to replace worn out tracks and sleepers.

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