Flooding, Courtland /A1 pedestrian subway

MQT on 2016-06-22
Session date: 
June 22, 2016
Question By: 
Andrew Dismore
Labour Group
Asked Of: 
The Mayor


Since the tunnel was renovated it has never worked properly and it floods to at least 1 metre deep and by the marks on the floor, it must have risen to ceiling height at some point. The water has also begun to lift the tar from the surface and someone is likely to trip over it. This affects children attending the schools at Courtland Primary and Mill Hill Secondary and some have been seen jumping the A1 central barrier. What will you do to make this subway usable and to stop the flooding?


Answer for Flooding, Courtland /A1 pedestrian subway

Answer for Flooding, Courtland /A1 pedestrian subway

Answered By: 
The Mayor

There has been flooding at this location caused by faults to the pumps that are designed to evacuate flood water from the subway.

TfL installed a temporary pump in April as an interim measure, while new equipment was sourced to replace the electrical control system for the pumps. Due to unseasonal levels of rainfall at the end of May, the temporary pump became inundated. The control system was replaced shortly after this event and subsequently has been operating well.  TfL has made the surface safe and are evaluating different materials that will better withstand the high level of pedestrian traffic.