HC Deb 02 July 1999 vol 334 c292W
Mr. Peter Ainsworth

To ask the Secretary of State for the Environment, Transport and the Regions how many man hours have been lost on work on the Jubilee Line Extension on average per month since 1 January owing to interruptions from unnecessary use of the fire alarm system. [89398]

Ms Glenda Jackson

Approximately 700 hours on average.