Ho Chi Minh City People’s Committee Management Authority for Urban Railways Ho Chi Minh City Urban Mass Transit Line 2 Project ADB TA 4862-VIE Environmental Impact Assessment In Association with MVA ASIA LIMITED SYSTRA TDSI South TEDI TRICC Vision Associates Ho Chi Minh City Environmental Impact Assessment Report Urban Mass Transit Line 2 Project TABLE OF CONTENTS CHAPTER 0: INTRODUCTION........................................................................................1 0.1 Project Justification .................................................................................................................1 0.2 Objectives of Environmental Assessment .............................................................................1 0.3 Assessment Scope ..................................................................................................................3 0.4 Legal and Technical Bases for Implementing the EIA Report..............................................4 0.5 Outline of the Report ...............................................................................................................4 CHAPTER 1: GENERAL DESCRIPTION OF THE PROJECT.....................................6 1.1 Name of the project................................................................................................................6 1.2 Project Managers ....................................................................................................................6 1.3 Project Background ................................................................................................................6 1.4 Alignment.................................................................................................................................6 1.5 Design Overview .....................................................................................................................8 1.5.1 Type of Train and Power Supply........................................................................................8 1.5.2 The Route for Line 2 ............................................................................................................8 1.5.3 Interchanges .......................................................................................................................8 1.5.4 Underground/Overground ................................................................................................8 1.5.5 Fare Collection and Ticketing ...........................................................................................9 1.6 Project Components and Construction Methods .................................................................9 1.6.1 Underground Lines..............................................................................................................9 1.6.2 Stations.................................................................................................................................9 1.6.3 Crossover Sections............................................................................................................13 1.6.4 Depot .................................................................................................................................13 1.7 Implementation Schedule of the Project ............................................................................14 1.8 Service Operations Plan .......................................................................................................16 1.8.1 General Operational Aspects.........................................................................................16 1.8.2 Structure of Services .........................................................................................................16 1.8.3 Service Frequency............................................................................................................16 1.9 Cost estimation......................................................................................................................16 1.9.1 Capital Costs.....................................................................................................................16 1.9.2 Operating and Maintenance Costs...............................................................................18 In association with: HEPA TDSI South TEDI TRICC Open Asia Vision Associates Ho Chi Minh City Environmental Impact Assessment Report Urban Mass Transit Line 2 Project CHAPTER 2: DESCRIPTION OF THE ENVIRONMENT..........................................20 2.1 Natural and Socio–economic conditions ...........................................................................20 2.1.1 Natural Conditions............................................................................................................20 2.1.2 Natural Hazards ................................................................................................................25 2.1.3 Natural Resources and Ecosystem .................................................................................25 2.1.4 Condition for Socio-economic Development of Ho Chi Minh city ............................26 2.1.5 Traffic and Transport Conditions .....................................................................................29 2.1.6 Land Use Situation ............................................................................................................31 2.2 Existing Situation of Environmental Quality .........................................................................31 2.2.1 Existing Situation of Air Quality in the Project Areas .....................................................31 2.2.2 Existing Situation of Water Environment in the Project Areas ......................................36 2.2.3 Existing Noise Levels in the Project Area ........................................................................41 2.2.4 Existing Situation of Vibration...........................................................................................42 2.2.5 Existing Situation of Land Contamination ......................................................................46 CHAPTER 3: ALTERNATIVES........................................................................................49 3.1 Route Alignment....................................................................................................................49 3.2 Tunnel Construction...............................................................................................................49 3.2.1 Cut and Cover Method Versus Tunnel Boring Method................................................49 3.2.2 Twin Tunnels Versus Single Tunnel....................................................................................51 CHAPTER 4: ANTICIPATED ENVIRONMENTAL IMPACTS AND MITIGATION MEASURES...............................................................................................59 4.1 Expected Benefits and Positive Impacts .............................................................................59 4.1.1 Employment Opportunities..............................................................................................59 4.1.2 Traffic Congestion Reduction and City Aesthetic Enhancement ..............................59 4.1.3 Benefits to the Economy..................................................................................................60 4.1.4 Quick, Convenient and Safe Transport..........................................................................61 4.1.5 Fuel Consumption Reduction..........................................................................................61 4.1.6 Carbon Dioxide Reduction and Air Quality Improvement..........................................62 4.2 Social Impacts and Mitigation .............................................................................................63 4.2.1 Resettlement Plan.............................................................................................................63 4.2.2 Impacts ..............................................................................................................................63 4.2.3 Resettlement and Compensation..................................................................................63 4.3 Environmental Impacts and Mitigation Measures during Pre-construction phase .........65 4.3.1 Impacts ..............................................................................................................................65 4.3.2 Mitigation measures .........................................................................................................65 4.4 Environmental Impacts and Mitigation Measures during Construction phase................65 4.4.1 Air pollution........................................................................................................................66 In association with: HEPA TDSI South TEDI TRICC Open Asia Vision Associates Ho Chi Minh City Environmental Impact Assessment Report Urban Mass Transit Line 2 Project 4.4.2 Noise, Vibration and Settlement.....................................................................................67 4.4.3 Community, Utilities and Traffic Disturbance.................................................................73 4.4.4 Water Environment...........................................................................................................73 4.4.5 Solid waste and Spoils Generated from Excavation....................................................74 4.4.6 Ecology ..............................................................................................................................75