Before works begin, property condition surveys will be completed on buildings adjacent to construction sites.
Following TBM Grace’s arrival at Airport Central Station on May 8, TBM Sandy also broke though into the station’s underground box late last month.
The two tunnel boring machines for the Forrestfield-Airport Link have now reached Airport Central Station - about a quarter of the way into their 8km journey to Bayswater.
In one of the project's biggest milestones to date, TBM Grace broke through into the underground station box at Airport Central Station on the evening of Tuesday May 8, 2018.
TBM Grace resumed tunnelling this month and has now successfully installed 1034 rings. The restart follows the completion of a comprehensive review into tunnelling operations.