BaT project Chapter 3 Project description Contents 3. Project Description ................................................................................................................ 3-1 3.1 Introduction .................................................................................................................. 3-1 3.2 Overview ...................................................................................................................... 3-1 3.3 Objective and benefits ................................................................................................. 3-1 3.4 Location........................................................................................................................ 3-2 3.4.1 Transport corridor ......................................................................................................... 3-2 3.4.2 Study corridor ............................................................................................................... 3-2 3.5 Adjacent or adjoining infrastructure ............................................................................. 3-2 3.5.1 Existing infrastructure ................................................................................................... 3-2 3.5.2 Other major projects ..................................................................................................... 3-4 3.6 Design .......................................................................................................................... 3-4 3.6.1 Overview ....................................................................................................................... 3-8 3.6.2 Design development ................................................................................................... 3-28 3.6.3 Process and program ................................................................................................. 3-31 3.6.4 Standards ................................................................................................................... 3-32 3.7 Construction ............................................................................................................... 3-35 3.7.1 Overview ..................................................................................................................... 3-35 3.7.2 Process and program ................................................................................................. 3-39 3.7.3 Worksites .................................................................................................................... 3-45 3.7.4 Workforce ................................................................................................................... 3-54 3.7.5 Work hours ................................................................................................................. 3-55 3.7.6 Material and equipment .............................................................................................. 3-56 3.7.7 Interface with existing operations ................................................................................ 3-62 3.8 Operation ................................................................................................................... 3-62 3.8.1 Overview ..................................................................................................................... 3-62 3.8.2 Process and program ................................................................................................. 3-67 3.9 Summary .................................................................................................................... 3-69 Page i List of Figures Figure 3-1 Project location ......................................................................................................................... 3-3 Figure 3-2 General arrangement – 1 of 3 ................................................................................................... 3-5 Figure 3-3 General arrangement – 2 of 3 ................................................................................................... 3-6 Figure 3-4 General arrangement – 3 of 3 ................................................................................................... 3-7 Figure 3-5 Tunnel long section ................................................................................................................. 3-10 Figure 3-6 Tunnel cross section ............................................................................................................... 3-11 Figure 3-7 General station overview ......................................................................................................... 3-13 Figure 3-8 Location of Woolloongabba Station ........................................................................................ 3-14 Figure 3-9 Woolloongabba Station ........................................................................................................... 3-15 Figure 3-10 Location of George Street Station ........................................................................................... 3-17 Figure 3-11 George Street Station ............................................................................................................. 3-18 Figure 3-12 Location of Roma Street Station ............................................................................................. 3-19 Figure 3-13 Roma Street Station ................................................................................................................ 3-20 Figure 3-14 Inner City Bypass overpass and on-ramp ............................................................................... 3-21 Figure 3-15 Active ventilation system ......................................................................................................... 3-22 Figure 3-16 Tunnel low point incorporating sump and pump ...................................................................... 3-25 Figure 3-17 Construction worksites 1 of 3 .................................................................................................. 3-46 Figure 3-18 Construction worksites 2 of 3 .................................................................................................. 3-47 Figure 3-19 Construction worksites 3 of 3 .................................................................................................. 3-48 Figure 3-20 Construction worksite concept layout – Southern Connection ................................................ 3-49 Figure 3-21 Construction worksite concept layout – Woolloongabba Station ............................................. 3-50 Figure 3-22 Construction worksite concept layout – George Street ........................................................... 3-51 Figure 3-23 Construction worksite concept layout – Roma Street .............................................................. 3-52 Figure 3-24 Construction worksite concept layout – Northern Connection ................................................. 3-53 Figure 3-25 Potential 2021 rail service plan upon commissioning of the Project ........................................ 3-64 Figure 3-26 Potential 2021 bus service plan upon commissioning of the Project ....................................... 3-65 Figure 3-27 Southern corridor rail operation upon Project commissioning .......................................................... 3-67 List of Tables Table 3-1 Principle components of infrastructure and their location .......................................................... 3-8 Table 3-2 Indicative tunnel depth along the alignment ............................................................................ 3-10 Table 3-3 Indicative dive structure depth ................................................................................................ 3-12 Table 3-4 Indicative station configuration ................................................................................................ 3-12 Table 3-5 Indicative bridge height ........................................................................................................... 3-16 Table 3-6 Assessment of indicative vent outlet locations ........................................................................ 3-23 Table 3-7 Indicative ventilation outlet dimensions ................................................................................... 3-24 Table 3-8 Indicative program during the design phase ........................................................................... 3-32 Table 3-9 Proposed rail design criteria .................................................................................................... 3-33 Page ii Table 3-10 Service infrastructure to be established during fit-out ............................................................. 3-39 Table 3-11 General excavation process ................................................................................................... 3-41 Table 3-12 Construction overview ............................................................................................................ 3-42 Table 3-13 Indicative program of work ...................................................................................................... 3-44 Table 3-14 Indicative worksite areas......................................................................................................... 3-45 Table 3-15 Construction workforce ..........................................................................................................