Technical Assistance Consultant’s Report Project Number: 37269 November 2006 Cambodia: Preparing the Greater Mekong Subregion: Rehabilitation of the Railway in Cambodia (Financed by the Japan Special Fund) Prepared by Japan Railway Technical Service in association with Nippon Koei Co., Ltd. and Engconsult Ltd. Tokyo, Japan For the Ministry of Public Works and Transport, Royal Government of Cambodia This consultant’s report does not necessarily reflect the views of ADB or the Government concerned, and ADB and the Government cannot be held liable for its contents. (For project preparatory technical assistance: All the views expressed herein may not be incorporated into the proposed project’s design. Asian Development Bank TA 6251-REG GMS REHABILITATION OF THE RAILWAY IN CAMBODIA FINAL REPORT (Volume 2) November 2006 in association with Engconsult Ltd. FINAL REPORT CONTENTS • VOLUME 1 – The Study for Main Lines APPENDICES Appendix 1 Initial Environmental Examination (separate volume) Appendix 2 Resettlement Plan (separate volume) Appendix 3 Hydrological Data (separate volume) Appendix 4 Track Condition Survey Report Appendix 5 Structure Condition Survey Report (separate volume) Appendix 6 Sleepers Condition Survey Report (separate volume) Appendix 7 Description of Requirements for Detail Design and Construction Supervision Appendix 8 Tender Documents (separate volumes) Bidding Document for Design and Construction of Railway Rehabilitation Volume 1 Instructions, General Conditions, Particular Conditions, Bid, Forms, Schedules, Eligible Countries Volume 2 Employer’s Requirements, Design Criteria, Specifications Volume 3 Employer’s Requirements, Bridge & Culvert Data Volume 4.1 Drawings RRL 1 – Southern Line Volume 4.2 Drawings RRL 2 – Northern Line: Section 1 – Phnom Penh to Sisophon Volume 4.3 Drawings RRL 2 – Northern Line: Section 2 – Sisophon – Poipet • VOLUME 2 – The Study for Branch Lines APPENDICES Appendix 9 Preliminary Engineering Design Drawings for Branch Lines (separate volume) Appendix 10 Preliminary Train Operation Plans Appendix 11 Resettlement: Socio-economic Indicators Appendix 12 Economic and Financial Analysis REHABILITATION OF RAILWAY IN CAMBODIA Final Report (Volume 2) ADB T.A. NO. 6251-REG Contents VOLUME 2 THE STUDY FOR BRANCH LINES TABLE OF CONTENTS Abbreviations and Definitions Executive Summary ........................................................................................................... i 1. INTRODUCTION .............................................................................................................. 1-1 1.1 Purpose of Supplementary Study ............................................................. 1-6 2. REVIEW OF THE PREVIOUS STUDIES ....................................................................... 2-1 2.1 Review of Inception and Draft Final Report ......................................................... 2-1 2.1.1 Inception Report ....................................................................................... 2-1 2.1.2 Draft Final Report .................................................................................... 2-1 3. PRELIMINARY ENGINEERING DESIGN ..................................................................... 3-1 3.1 General .................................................................................................................. 3-1 3.1.1 Geometric Design .................................................................................... 3-1 3.1.2 Track Structure ......................................................................................... 3-3 3.1.3 Bridge and Culvert ................................................................................... 3-4 3.1.4 Cost Estimate ...........................................................................................3-12 3.2 Branch Line to Cement Factory at Touk Meas ...................................................... 3-14 3.2.1 Outline of the Branch Line ....................................................................... 3-14 3.2.2 Hydrological Conditions .......................................................................... 3-16 3.2.3 Geotechnical Conditions .......................................................................... 3-21 3.2.4 Environmental Issues ............................................................................... 3-23 3.2.5 Resettlement and Socio-economic Issues ................................................ 3-27 3.2.6 Preliminary Engineering Design .............................................................. 3-31 3.2.7 Cost Estimate ........................................................................................... 3-36 3.2.8 Selection of Recommended Alignment and Project Implementation Schedule ............................................................ 3-37 3.3 Branch Line to Cement Factories at Kampot ........................................................ 3-38 3.3.1 Outline of the Branch Line ....................................................................... 3-38 3.3.2 Hydrological Conditions .......................................................................... 3-39 3.3.3 Geotechnical Conditions .......................................................................... 3-42 3.3.4 Environmental Issues ............................................................................... 3-44 3.3.5 Resettlement and Socio-economic Issues ................................................ 3-47 3.3.6 Preliminary Engineering Design .............................................................. 3-51 REHABILITATION OF RAILWAY IN CAMBODIA Final Report (Volume 2) ADB T.A. NO. 6251-REG Table of Contents 3.3.7 Cost Estimate ........................................................................................... 3-55 3.3.8 Recommended Alignment and Project Implementation Schedule ........... 3-56 3.4 Branch Line to Phnom Penh Port (GTW) ............................................................. 3-58 3.4.1 Outline of the Branch Line ....................................................................... 3-58 3.4.2 Hydrological Conditions .......................................................................... 3-59 3.4.3 Geotechnical Conditions .......................................................................... 3-61 3.4.4 Environmental Issues ............................................................................... 3-64 3.4.5 Resettlement and Socio-economic Issues ................................................ 3-67 3.4.6 Preliminary Engineering Design .............................................................. 3-71 3.4.7 Possibility to Use Piers in GTW as a Base of Conveyor for Cement Transportation ....................................................................... 3-76 3.4.8 Cost Estimate ...........................................................................................3-79 3.4.9 Recommended Alignment and Project Implementation Schedule ........... 3-80 3.5 Rail Access to Phnom Penh Airport ...................................................................... 3-81 3.5.1 Outline of the Branch Line ....................................................................... 3-81 3.5.2 Hydrological Conditions .......................................................................... 3-82 3.5.3 Geotechnical Conditions .......................................................................... 3-83 3.5.4 Environmental Issues ............................................................................... 3-84 3.5.5 Resettlement and Socio-economic Issues ................................................ 3-86 3.5.6 Preliminary Engineering Design .............................................................. 3-90 3.5.7 Cost Estimate ........................................................................................... 3-93 3.5.8 Recommended Alignment and Project Implementation Schedule ........... 3-94 3.6 Rail Access to Kampong Chhnang Airport ........................................................... 3-95 3.6.1 Outline of the Branch Line ....................................................................... 3-95 3.6.2 Hydrological Conditions .......................................................................... 3-96 3.6.3 Geotechnical Conditions .......................................................................... 3-101 3.6.4 Environmental Issues ............................................................................... 3-103 3.6.5 Resettlement and Socio-economic Issues ................................................ 3-106 3.6.6 Preliminary Engineering Design .............................................................. 3-110 3.6.7 Cost Estimate ........................................................................................... 3-113 3.6.8 Recommended Alignment and Project Implementation Schedule ........... 3-114 4. PRELIMINARY DESIGN OF SIGNALLING AND TELECOMMUNICATION .......... 4-1 4.1 Technical Survey of Infrastructure ........................................................................ 4-1 4.1.1 General ..................................................................................................... 4-1 4.1.2 Block System ........................................................................................... 4-1 4.1.3 Train Operation ........................................................................................ 4-3 4.1.4 Train Radio .............................................................................................. 4-4 4.1.5