Heritage buildings Negligible to minor impact: Impact Management: Fine cracks could be treated during normal Includes City State decoration Library, and Storey Hall (RMIT) Approved Minor impact Impact Management: Cracks could developments be filled. Repointing may be required of external cracks to ensure weather-tightness Civil infrastructure Road Negligible to minor impact - City Loop Minor impact. Further assessment of the City There is a risk of serviceability Loop tunnels would be required in cracking in the unreinforced the detailed design stage, including secondary lining. procurement of more detailed information on the as-constructed linings and a detailed inspection and assessment of the linings condition. Following the condition survey, refinement of the modelling should be undertaken to account for the actual City Loop construction and condition. Subsequent to refinement of the modelling, a plan of monitoring and required, protective measures (strengthening works) should be established in consultation with the stakeholders. An appropriate management plan would be required that documents acceptable stakeholder criteria for potential cracking and a predetermined program for undertaking any potentially required minor repairs. After construction of Melbourne Metro is completed, the City Loop tunnels should be inspected and if required, new cracks sealed during a regular maintenance closure Tram lines Negligible to minor impact: - Swanston Street and Victoria Street junction (north bound and west bound lines) Swanston Street and Victoria Street junction (north bound and west bound lines) Swanston Street La – Trobe Street junction Moderate impact: Comprehensive real time monitoring strategy Swanston Street CBD – station cavern excavation
Heritage buildings Negligible to minor impact: Includes City State Library, and Storey Hall (RMIT) Impact Management: Fine cracks could be treated during normal decoration Approved developments Minor impact Impact Management: Cracks could be filled. Repointing may be required of external cracks to ensure weather-tightness Civil infrastructure Road Negligible to minor impact - City Loop Minor impact. There is a risk of serviceability cracking in the unreinforced secondary lining. Further assessment of the City Loop tunnels would be required in the detailed design stage, including procurement of more detailed information on the as-constructed linings and a detailed inspection and assessment of the linings condition. Following the condition survey, refinement of the modelling should be undertaken to account for the actual City Loop construction and condition. Subsequent to refinement of the modelling, a plan of monitoring and required, protective measures (strengthening works) should be established in consultation with the stakeholders. An appropriate management plan would be required that documents acceptable stakeholder criteria for potential cracking and a predetermined program for undertaking any potentially required minor repairs. After construction of Melbourne Metro is completed, the City Loop tunnels should be inspected and if required, new cracks sealed during a regular maintenance closure Tram lines Negligible to minor impact: Swanston Street and Victoria Street junction (north bound and west bound lines) Swanston Street and Victoria Street junction (north bound and west bound lines) Swanston Street – La Trobe Street junction - Moderate impact: Swanston Street – CBD station cavern excavation Comprehensive real time monitoring strategy
MMRP_Chapter-19_Ground-Movement.docx