Dust and metal particles from grinding of London Underground railway lines

Meeting: 
MQT on 2017-03-22
Session date: 
March 22, 2017
Reference: 
2017/1686
Question By: 
Caroline Pidgeon
Organisation: 
Liberal Democrats
Asked Of: 
The Mayor

Question

While welcoming the grinding of London Underground railway lines what steps are taken to avoid dust and metal particles being inhaled by passengers?

Answer

Answer for Dust and metal particles from grinding of London Underground railway lines

Answer for Dust and metal particles from grinding of London Underground railway lines

Answered By: 
The Mayor

TfL's rail grinding units are equipped with large dust capture collection pods, which sit just above where the grinding stones meet the rail. As the rails are ground, dust and particles are sucked into the pods instead of being left in the tunnel. Any particles not collected in this way are captured by manual cleaning.