HS2 Tunnelling Risks – Response, questions and concerns

Further to our letter to the Environment Agency on 15 June, we have now received a reply with references to various documents produced by HS2 / Align. This required an extensive review of those documents. This raised a number of questions and concerns. Please see our letter setting out these concerns / questions. HNL11304-14095 – EA Letter HNL11304-14095 – Q and A Chiltern-Society-Response-to-Environment-Agency-September-2021 Environment-Agency-Response-to-Chiltern-Society-October-2021 Chiltern-Society-Response-to-Environment-Agency-December-2021 Environment-Agency-Response-to-Chiltern-Society-December-2021 Chiltern-Society-Response-to-Environment-Agency-December-2021 Chiltern-Society-Letter-to-Align-JV-re-Tunnelling-in-Consolidated-Chalk-Feb-2022 Chiltern-Society-Letter-to-Bucks-Council-re-Flood-Risk-March-2022 Chiltern-Society-Letter-to-Affinity-Water-re-Flood-Risk-March-2022