Appendix J Concept Summary February 2018 J Contents Abbreviations.............................................................................................................................................. J-6 1 Overview .......................................................................................................................................... J-8 1.1 Purpose ............................................................................................................................. J-8 1.2 Background ....................................................................................................................... J-8 1.3 Limitations of the Report .................................................................................................. J-8 2 Existing Conditions ........................................................................................................................... J-9 2.1 Overview ........................................................................................................................... J-9 2.2 Road Network ................................................................................................................. J-12 2.3 Public transport .............................................................................................................. J-15 3 Functional Requirements ............................................................................................................... J-17 3.1 Design Principles ............................................................................................................. J-17 3.2 Roads and Civils Requirements ....................................................................................... J-17 3.3 Tunnel Requirements...................................................................................................... J-20 3.4 Bridge / Structure Requirements .................................................................................... J-23 3.5 Infrastructure Integrity & Operations ............................................................................. J-24 3.6 Landscape and Urban Design .......................................................................................... J-25 4 Base Case Overview ....................................................................................................................... J-26 5 Geotechnical................................................................................................................................... J-28 5.1 Overview ......................................................................................................................... J-28 5.2 Corridor Geology ............................................................................................................. J-28 5.3 Key Challenges ................................................................................................................ J-29 5.4 Additional Requirements ................................................................................................ J-29 6 Roads and Civils .............................................................................................................................. J-30 6.1 M80 Interchange to Watsonia Station ........................................................................... J-30 6.2 Watsonia Station to Lower Plenty Road ......................................................................... J-34 6.3 Lower Plenty Road to Manningham Road ...................................................................... J-37 6.4 Manningham Road to Eastern Freeway Interchange ..................................................... J-40 6.5 Eastern Freeway Upgrade ............................................................................................... J-43 7 Structures ....................................................................................................................................... J-47 7.1 M80 Interchange to Grimshaw Street ............................................................................ J-47 7.2 Grimshaw Street to Watsonia Station ............................................................................ J-48 7.3 Watsonia Station to Lower Plenty Road ......................................................................... J-50 7.4 Manningham Road to Eastern Freeway Interchange ..................................................... J-51 7.5 Eastern Freeway Upgrade ............................................................................................... J-53 7.6 Cut and Cover Structures ................................................................................................ J-54 8 Tunnels ........................................................................................................................................... J-57 Section 3 – The North East Link J—2 8.1 Overview ......................................................................................................................... J-57 8.2 Key Challenges ................................................................................................................ J-63 8.3 Additional Requirements ................................................................................................ J-64 9 Pavements ...................................................................................................................................... J-65 9.1 Overview ......................................................................................................................... J-65 9.2 Key Challenges ................................................................................................................ J-65 9.3 Additional Requirements ................................................................................................ J-65 10 Utility Services ................................................................................................................................ J-66 10.1 Overview ......................................................................................................................... J-66 10.2 Key Challenges ................................................................................................................ J-74 10.3 Additional Requirements ................................................................................................ J-75 11 ITS, Signage and Tolling .................................................................................................................. J-76 11.1 Overview ......................................................................................................................... J-76 11.2 Key Challenges ................................................................................................................ J-77 11.3 Additional Requirements ................................................................................................ J-78 12 Infrastructure Integrity & Operations ............................................................................................ J-79 12.1 Overview ......................................................................................................................... J-79 12.2 Key Challenges ................................................................................................................ J-79 12.3 Additional Requirements ................................................................................................ J-80 13 Surface Water (Hydrology)............................................................................................................. J-81 13.1 Overview ......................................................................................................................... J-81 13.2 Key Challenges ................................................................................................................ J-81 13.3 Additional Requirements ................................................................................................ J-85 14 Associated Works ........................................................................................................................... J-86 14.1 Active Transport ............................................................................................................. J-86 14.2 Public Transport .............................................................................................................. J-88 15 Safety ............................................................................................................................................. J-91 15.1 Safe Systems Framework ................................................................................................ J-91 15.2 Safety in Design .............................................................................................................. J-91 15.3 Road Safety Audit ........................................................................................................... J-92 Section 3 – The North East Link J—3 Figures Figure 1 VicRoads declared arterials across Melbourne.................................................................... J-10 Figure 2 Key declared arterial roads in the project area ................................................................... J-11 Figure 3 Eastern Freeway existing conditions schematic .................................................................. J-14 Figure 4 Public transport routes .......................................................................................................