Tube cleaners in the RMT union have faced a lock-out as managers sent them home for refusing to use “biometric booking-on” machines.
The machines are intended to replace the existing system of booking on by signing in with station supervisors, and by phone. They require cleaners to enter a fingerprint.
The RMT has raised concerns about the use of the machines to collect data on cleaners, many of whom are migrant workers, as well as their possible use as a further pretext for reducing station staffing levels. A ballot of RMT cleaner members working for ISS returned a large majority in favour of