Getting things online:How Tube Lines will let the work

Tube Lines will be investing £4.4bn in Infraco JNP during the first 7.5 year review period of its 30-year concession. This will be split roughly 50:50 between operations and maintenance.

Neither Amey nor Jarvis will automatically be awarded any of the contracts, even though they are part of Tube Lines; both will have to bid for work competitively with other firms.

Major upgrade projects awarded or to be awarded later this year are as follows (across all three lines unless stated):

n Piccadilly Line stations upgrade. MJ Gleeson. Awarded August 2002. Value £117m.

n Northern Line stations upgrade. YJL Construction. Awarded September 2002. Value: £150m.

n Jubilee Line stations upgrade. Gee Construction. Awarded November 2002. Value: £50m.

n Jubilee Line seventh car, additional trains, and platform alterations. Bids received. Award due spring 2003.

n Track replacement (69km). Bids received. Award due spring 2003. Estimated value: £250m.

n Train Control Systems (signalling) for Jubilee and Northern Lines. Bids received. Award due summer 2003.

n Passenger Communications Systems (upgrade and maintenance over 15 years). Bids due spring 2003. Award due summer 2003.

n Escalators (total of 227), upgrade and maintenance over 30 years. Bids due spring 2003. Award due autumn 2003.

n Lifts (total of 69), upgrade and maintenance over 30 years. Tender documents to be issued autumn 2003.

Other upgrade work to be let during the first 7.5 year review period includes:

n Refurbishment of more than 11 miles of drainage.

n Refurbishment of various structures on lines above the surface (bridges, embankments, etc).

n Construction of a new control centre.