Submission to MMRP for New Tunnel Vertical and Horizontal

Alignments. To Address North Melbourne Heritage Overlay Building Structural

Damage and Noise and Vibration Risk.

Ross Miller: Resident - Courtney St North Melbourne

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False Assumptions made by MMRP in Environmental Effects Statement Sect. 19-4-3.• “many (properties) would have experienced some form of ground

movement generated by other sources, such as previous adjacent evacuations”

• This is not the case for many of the Heritage Overlay buildings in North Melbourne. Such Properties are over 100 years old, built out of ‘Sun Dried Bricks’ and sitting on shallow foundations and footings. Old buildings such as these were not built to withstand Induced Ground movements from large scale excavations or Tunnelling directly below their foundations.

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Request MMRP to correct and Update EES.

• MMRP Environmental Effects Statement – Section 19.6 Impact Assessment be further researched and updated, to also include the over 100 Year old Victorian Heritage overlay Residential Buildings, that are positioned inside the Potential Zone of Influence – where as stated in Section 19.6. Estimated extents of excavation ground movement is greater than 5mm and Residential Risk Rating is MEDIUM TO HIGH.

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Request MMRP to Modify Tunnel Horizontal Alignment.• Tunnel Horizontal Alignment between Parkville and Arden Stations

be modified to avoid Direct impact to over 100 Year old Victorian Heritage overlay Residential Buildings.

• New recommended Tunnel route, along Haines Street North Melbourne, will greatly reduce Direct Tunnel Impact to Private Residential Buildings.

• Up to 90% of the New Parkville to Arden, proposed Tunnel Horizontal Alignment, will run beneath Government and Commercial Land, ie. Football Field, Pool, Parkland, Dual Lane Roadway, Public School and Commercial Businesses, Not Directly under Private Residential Buildings, where people must live and sleep.

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Proposed NewTunnel Horizontal Alignment- from Parkville to Arden Station.

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• Beginning

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Request MMRP to Modify Tunnel Vertical Alignment.• Tunnel Vertical Alignment between Parkville and Arden Stations be

modified to reduce impact to Residential Buildings.

• New Recommended Tunnel Depth, between Arden Station and CBD North Station be maintained in a Flat Vertical Line, such that Top of Tunnel is approx. 4 Meters below Sea Level, between Arden and CBD North Stations.

• Minimum Tunnel Depth Clearance from Ground Level to Top of Tunnel will be Increased by up to 46 %.

• From a Min. 12.5M to 18M, Top of Tunnel to Surface Ground Level.

• Arden, Parkville and CBD North Stations remain in approximately the same Vertical Line.

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Request MMRP to Modify Tunnel Vertical Alignment. Cont….• New Recommended Tunnel Depth, between Arden Station and CBD North

Station, will only increase the Parkville Station Depth below Ground Level, by 20 Meters, to approx. 10 Meters Below Sea Level.

• Existing Plans for the CBD North Station are for Depths Greater than 15 meters below Sea Level.

• The New Proposed Parkville Vertical Tunnel Depth, (Ground Level to Top of Tunnel, at Parkville Station), will only be approx. 3 Meters deeper than Current Plans for Tunnel Depths for CBD North Station.

• New Parkville Depth 37 M approx. (Top of Tunnel to Elizabeth St.)

• Proposed CBD North Depth 34 M approx. (Top of Tunnel to Victoria St.)

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CONCLUSION.

• I would like to formally request MMRP to conduct a Detailed Feasibility Study (with Costings) for the New Horizontal and Vertical Tunnel alignments, presented today, from Arden to Parkville Station, as part of the Environmental Effect Statement.

• If the new proposed Horizontal and Vertical Alignments, cannot be adopted, in favour of the MMRP Existing Plans, I formally request a detailed Explanation as to Why not ?

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