BTS MEETING/NORTH BRISTOL RELIEF SEWER | TECHNICAL


Left, figure 11: Depressurisation System


Left, figure 12: Bespoke Temporary Works for MH01 and MH12


possible and situated key construction elements such as the TBM drive site and the two intermediate shafts as far away from residential properties as possible.


● Had a close working relationship with the emergency services including the Hazardous Area Response Team (HART) and the Urban Search And Rescue team (USAR) and allowed them to use areas of the site to undertake various mock exercises.


● Engaged in various STEM activities in both the local schools and University of Bristol


LESSONS LEARNED During the design and construction of this challenging project, many lessons were learnt that Murphy will take forward into future tunnelling projects. Below are the five key lessons learned:


Below, figure 13: MH09 and MH10 Shafts During Construction


November 2023


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