MINISTRY OF PUBLIC WORKS AND TRANSPORT (MPWT) THE ROYAL GOVERNMENT OF THE KINGDOM OF CAMBODIA PREPARATORY SURVEY FOR PHNOM PENH – BAVET EXPRESSWAY DEVELOPMENT PROJECT IN THE KINGDOM OF CAMBODIA FINAL REPORT EXECUTIVE SUMMARY AUGUST 2017 JAPAN INTERNATIONAL COOPERATION AGENCY KATAHIRA & ENGINEERS INTERNATIONAL CENTRAL NIPPON EXPRESSWAY CO. LTD. METROPOLITAN EXPRESSWAY CO. LTD. ORIENTAL CONSULTANTS GLOBAL 1R JR 17-053 LOCATION MAP Bird’s Eye View of Embankment Section with Over-Pass Bridge, Under Pass Culvert and Frontage Road Bird’s Eye View of Viaduct Section Bird’s Eye View of Interchange (Trumpet Type) Gas Station, Restaurant and Toilet in Service Area Frontage Road along Viaduct Section Local Road Under-Passing the Expressway Under-Pass Culvert, Over-Pass Bridge and Passage of Boat under Expressway during Frontage Road along Embankment Section Flood Season Extra-Dosed Bridge for Crossing Mekong River (Ring Road No. 3) Preparatory Survey for Phnom Penh–Bavet Expressway Development Project TABLE OF CONTENTS Location Map Perspective Drawing Table of Contents List of Abbreviations CHAPTER 1 INTRODUCTION ............................................................................................................. 1 1.1 Background ............................................................................................................................. 1 1.2 Necessity of Phnom Penh – Bavet Expressway ...................................................................... 2 1.3 Objective of the Survey ........................................................................................................... 3 1.4 Scope of the Survey ................................................................................................................. 3 1.5 Survey Area ............................................................................................................................. 3 CHAPTER 2 ROUTE SELECTION ....................................................................................................... 4 2.1 Candidate Routes ..................................................................................................................... 4 2.2 Comparative Evaluation of Candidate Routes and Selection of Optimum Route Location .... 4 2.3 Consultation among the Stakeholders and Adoption of the Recommended Route by the Government of Cambodia ....................................................................................................... 4 CHAPTER 3 TRAFFIC DEMAND FORECAST .................................................................................. 6 3.1 Traffic Demand Forecast ......................................................................................................... 6 3.2 Validation of Expressway’s Connecting with Ring Road 2 .................................................. 10 CHAPTER 4 EXPECTED PROJECT EFFECT ................................................................................... 12 4.1 Direct Effect .......................................................................................................................... 12 4.2 Indirect Effect ........................................................................................................................ 13 4.3 Operation and Effect Monitoring Plan .................................................................................. 14 4.4 Economic Evaluation ............................................................................................................ 16 4.5 Financial Analysis ................................................................................................................. 18 CHAPTER 5 NATURAL CONDITION SURVEY .............................................................................. 20 5.1 Topographic Survey .............................................................................................................. 20 5.2 Aerial Photo Survey .............................................................................................................. 20 5.3 Geotechnical Survey .............................................................................................................. 21 CHAPTER 6 EXPRESSWAY DESIGN............................................................................................... 22 6.1 Design Standard .................................................................................................................... 22 6.2 Lane Width ............................................................................................................................ 23 Executive Summary i Preparatory Survey for Phnom Penh–Bavet Expressway Development Project 6.3 Alignment .............................................................................................................................. 23 6.4 Profile and Structure Type .................................................................................................... 24 6.5 Crossing Road ....................................................................................................................... 26 6.6 Embankment Design ............................................................................................................. 26 6.7 Pavement Design ................................................................................................................... 27 6.8 Drainage ................................................................................................................................ 28 6.9 Interchange and Access Road ................................................................................................ 28 6.10 Rest Area ............................................................................................................................... 29 6.11 Border Control Facility ......................................................................................................... 30 6.12 Traffic Safety & Traffic Control Facilities and Devices ....................................................... 31 6.13 Office for Operation and Maintenance .................................................................................. 32 6.14 Connection of Expressway and Ring Road 2 ........................................................................ 32 CHAPTER 7 BRIDGE PLAN .............................................................................................................. 34 7.1 Long-Span Bridge Over the Mekong River .......................................................................... 34 7.2 Viaduct .................................................................................................................................. 35 7.3 Plan of Over-Pass Bridge ...................................................................................................... 37 CHAPTER 8 COST ESTIMATE .......................................................................................................... 38 8.1 Volume of Works .................................................................................................................. 38 8.2 Project Cost ........................................................................................................................... 39 8.3 Procurement of Materials ...................................................................................................... 41 CHAPTER 9 PROJECT SCHEME ....................................................................................................... 43 9.1 Toll Road System .................................................................................................................. 43 9.2 Project Scheme ...................................................................................................................... 46 9.3 Evaluations of Alternatives ................................................................................................... 46 9.4 Additional Alternative Project Scheme for Reducing the Debt of the Cambodian Government ........................................................................................................................... 47 CHAPTER 10 IMPLEMENTATION PLAN ........................................................................................ 50 10.1 Time Schedule ....................................................................................................................... 50 10.2 Procurement of Consultant Services and Construction Works ............................................. 52 10.3 Notes on Project Implementation .......................................................................................... 54 CHAPTER 11 INSTITUTIONAL PLAN ............................................................................................. 55 11.1 Institutional Setup.................................................................................................................. 55 11.2 Function/Role of Relevant Institutions .................................................................................. 55 11.3 Tasks of Planning, Construction, Operation and Maintenance of Expressway ..................... 55 11.4 Capacity Development for Each Step .................................................................................... 56 Executive Summary ii Preparatory Survey for Phnom Penh–Bavet Expressway Development Project CHAPTER 12 LEGISLATIVE FRAMEWORK .................................................................................. 57 12.1 Current Status of Legislation Relevant to Expressway ........................................................