Road Impact Assessment
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Carmichael Coal Mine and Rail Project Road Impact Assessment February 2014 B14031 Transport Division Prepared for Adani Mining Pty Ltd COMMERCIAL IN CONFIDENCE All intellectual property rights, including copyright, in designs developed and documents created Brown Consulting QLD Pty Ltd remain the property of this company. Any use made of such design or document without the prior written approval of Brown Consulting QLD Pty Ltd will constitute an infringement of the rights of the company which reserves all legal rights and remedies in respect of any such infringement. The information, including any intellectual property, contained in this proposal is confidential and proprietary to the Company. It may only be used by the person to whom it is provided for the stated purpose for which it is provided and must not be imparted to any third person without the prior written approval of the Company. The Company reserves all legal rights and remedies in relation to any infringement of its rights in respect of its confidential information. © Brown Consulting (QLD) Pty Ltd Level 6, 199 Grey Street PO Box 10349 Adelaide Street BRISBANE QLD 4101 Ph: (07) 3895 3444 2014 DOCUMENT CONTROL B14031CTRIA04d.AK.jm Issue Date Issue Details Author Checked Approved D 28/02/14 FINAL AK/JvP JvP JvP (RPEQ 7280) B14031 Carmichael Coal Mine and Rail Project| Adani Mining Pty Ltd Commercial in Confidence Page | i Page | i Table of Contents 1 Introduction and Context .......................................................................................................................... 1 1.1 Overview .................................................................................................................................................... 1 1.2 Key Assumptions and Development Principles .......................................................................................... 5 1.2.1 Construction Phase ........................................................................................................................ 5 1.2.2 Operations Phase ........................................................................................................................... 5 1.3 References and Data Sources ..................................................................................................................... 6 2 Existing Transport Network ....................................................................................................................... 7 2.1 State Controlled Road Network ................................................................................................................. 7 2.1.1 Peak Downs Highway (33A, 33B) ................................................................................................. 10 2.1.2 Gregory Developmental Road (98A, 98B) .................................................................................... 12 2.1.3 Flinders Highway (14A) ................................................................................................................ 14 2.1.4 Kilcummin-Diamond Downs Road (5309) .................................................................................... 15 2.2 Local Road Network ................................................................................................................................. 15 2.2.1 Moray - Carmichael Road ............................................................................................................. 15 2.2.2 Moray - Bulliwallah Road ............................................................................................................. 16 2.2.3 Elgin - Moray Road ....................................................................................................................... 16 2.3 Multi-Combination Vehicles and Higher Mass Limits .............................................................................. 17 2.3.1 Introduction and definitions ........................................................................................................ 17 2.3.2 Higher Mass Limits ....................................................................................................................... 18 2.3.3 Expansion of the higher mass limits network .............................................................................. 18 2.4 Public Transport Services ......................................................................................................................... 29 3 Development Traffic ............................................................................................................................... 35 3.1 Introduction .............................................................................................................................................. 35 3.2 Construction Phase................................................................................................................................... 35 3.2.1 Rail and quarries .......................................................................................................................... 35 3.2.2 Mine ............................................................................................................................................. 36 3.3 Operations Phase ..................................................................................................................................... 36 3.3.1 Rail and quarries .......................................................................................................................... 36 3.3.2 Mine ............................................................................................................................................. 37 3.4 Estimated Development Volumes ............................................................................................................ 37 4 Traffic Network Assessment .................................................................................................................... 43 4.1 Introduction .............................................................................................................................................. 43 4.2 Intersection Assessments ......................................................................................................................... 43 4.2.1 Gregory Development Road/ Carmichael Elgin Road Intersection .............................................. 44 4.2.2 Gregory Developmental Road / Kilcummin Downs Road intersection ........................................ 45 4.2.3 Gregory Developmental Road / Peak Downs Highway ................................................................ 46 4.3 Road link assessments .............................................................................................................................. 47 4.4 Scenario Test of Additional +10 year Assessment .................................................................................... 50 B14031 Carmichael Coal Mine and Rail Project| Adani Mining Pty Ltd Commercial in Confidence Page | ii Page | ii 4.4.1 Intersection Assessments ............................................................................................................. 51 4.4.2 Road link assessments .................................................................................................................. 52 4.5 FIFO Arrangements and the transport impact at source locations .......................................................... 54 5 Transport Infrastructure Impact Assessment ........................................................................................... 56 5.1 Introduction .............................................................................................................................................. 56 5.2 Pavement Impact Assessment ................................................................................................................. 56 5.2.1 Assessment process and assumptions ......................................................................................... 56 5.2.2 Pavement impact assessment outcomes ..................................................................................... 57 5.3 Infrastructure Impact Assessment ........................................................................................................... 63 6 Other Impacts and Issues ........................................................................................................................ 68 6.1 Noise ......................................................................................................................................................... 68 6.2 Flooding Assessment ................................................................................................................................ 69 6.3 Hazard and Risk Assessment .................................................................................................................... 70 6.3.1 Hazard Identification .................................................................................................................... 70 6.3.2 Mitigation and Management ....................................................................................................... 70 6.4 Cumulative Impacts .................................................................................................................................. 71 7 Mitigation Measures 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