Blackwall Tunnel

MQT on 2007-05-23
Session date: 
May 23, 2007
Question By: 
Bob Neill
GLA Conservatives
Asked Of: 
The Mayor


What engineering works do TfL have planned for the Blackwall Tunnel over the next 18 months?


Answer for Blackwall Tunnel

Answer for Blackwall Tunnel

Answered By: 
The Mayor

There are eight individual projects planned for TfL's 07/08 Capital Investment programme for Blackwall Tunnel and its approach roads. These are listed below. In addition it is planned that a contract for the refurbishment of the northbound Blackwall tunnel be awarded early next year. A number of improvements to the tunnel are planned, and these are also listed below Works at Blackwall tunnelProjects at Blackwall tunnel in the 2007/08 TfL Capital Investment programme · Blackwall Tunnel Northbound ' Repair- Sub-Tunnel Crack· Blackwall Tunnel ' Design for Repair to River Bed· Blackwall Tunnel ' SCADA Upgrade· A102/Blackwall Lane Flyover ' Design for Refurbishment· A102 Gantry Repairs· A102/Blackwall Lane Northbound 'Resurfacing of the on/off slip roads· A102 Blackwall Tunnel Southern Approach, Southbound ' Carriageway Resurfacing· A102 Woolwich Road Southbound 'Resurfacing of the on/off slip roadsRefurbishments to the northbound bore:· Shaft alterations to provide improved Emergency/Maintenance access.· Ventilation upgrade to improve the environment for vehicle emissions and smoke control.· Lighting replacement to comply with current standards.· Drainage containment facilities increased and discharge into existing sewer network to replace the current discharge into River Thames.· Emergency Points to be increased in number, together with improved telephone communications.· Fire Main and Hydrants upgraded.· Escape Route signing improved.· Fire and Incident Detection upgraded to detect smoke, stopped vehicles, pedestrians and debris.· Traffic Control increased by inclusion of automation of tunnel closure, CCTV providing 100% coverage, variable message and lane control signs within tunnel and improvement of over height vehicle detection.· Radio Rebroadcast and Public Address systems to be installed to allow messages and direction to be given in the event of an incident.