Written questions, answers and statements

High Speed 2 Line

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Question for Department for Transport

UIN 70943, tabled on 8 July 2020

Question

Dame Cheryl Gillan
Conservative
Chesham and Amersham
Commons

To ask the Secretary of State for Transport, whether HS2 Ltd will use bentonite in the construction of High Speed Two Phase one.

Answer

Andrew Stephenson
Conservative
Pendle
Commons

Answered on

13 July 2020

As was stated in response to a previous question on this subject (160054) from the Honourable Member in July 2018, Bentonite is proposed to be used in the construction of the diaphragm walls for the 5 intermediate shafts in the Chilterns. If necessary, and only when the Environment Agency is satisfied with HS2 Ltd’s final approach, Bentonite may be used in other locations to minimise the impact of tunnelling on existing infrastructure.

Answered by

Department for Transport
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