Project for Development of Regional Disaster Risk Resilience Plan in Central Sulawesi in the Republic of Indonesia
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National Development Planning Agency (BAPPENAS) Republic of Indonesia Project for Development of Regional Disaster Risk Resilience Plan in Central Sulawesi in the Republic of Indonesia INTERIM REPORT APPENDIX May 2019 Japan International Cooperation Agency Yachiyo Engineering Co., Ltd. Oriental Consultants Global Co., Ltd. Nippon Koei Co., Ltd. Pacific Consultants Co. Ltd. PASCO CORPORATION Directorate General of Highways Ministry of Public Works and Housing Republic of Indonesia The Preparatory Survey on the Programme for the Reconstruction of Palu 4 Bridges in Central Sulawesi Province OUTLINE DESIGN REPORT May 2019 Japan International Cooperation Agency Oriental Consultants Global Co., Ltd. Yachiyo Engineering Co., Ltd. The Preparatory Survey on the Programme for the Reconstruction of Palu 4 Bridges in Central Sulawesi Province Outline Design Report Table of Contens Table of Contents List of Figures and Tables Abbreviations Summary Page Chapter 1 Background of the Project 1-1 Background and Outline of the Project ..................................................................................... 1-1 1-1-1 Background ..................................................................................................................... 1-1 1-1-2 Agreement and Conclusion on the Substance Requested ............................................... 1-2 1-1-3 Necessity of the Project .................................................................................................. 1-2 1-2 Site Condition ........................................................................................................................... 1-3 1-2-1 Meteorological Condition ............................................................................................... 1-3 1-2-2 Hydrological Condition .................................................................................................. 1-4 1-2-3 Geological Survey .......................................................................................................... 1-6 1-3 Environmental and Social Considerations .............................................................................. 1-23 1-3-1 Environmental and Social Considerations .................................................................... 1-23 1-4 Others ...................................................................................................................................... 1-76 1-4-1 Confirmation of Tax Exemption ................................................................................... 1-76 1-4-2 Bidding System in Indonesia ........................................................................................ 1-76 1-4-3 Form of Contract in Indonesia ...................................................................................... 1-79 Chapter 2 Contents of the Project 2-1 Basic Concept of the Project ..................................................................................................... 2-1 2-2 Outline Design of the Japanese Assistance ............................................................................... 2-1 2-2-1 Design Policy .................................................................................................................. 2-1 2-2-2 Basic Plan ....................................................................................................................... 2-2 2-2-3 Outline Design Drawings ............................................................................................. 2-29 2-2-4 Implementation Plan ..................................................................................................... 2-38 2-3 Obligation of Recipient Country ............................................................................................. 2-48 2-4 Project Operation Plan ............................................................................................................ 2-49 2-4-1 Operation and Maintenance System ............................................................................. 2-49 2-4-2 Operation and Maintenance Methods ........................................................................... 2-49 2-5 Project Cost Estimation ........................................................................................................... 2-50 2-5-1 Initial Cost Estimation .................................................................................................. 2-50 2-5-2 Operation and Maintenance Cost .................................................................................. 2-51 i The Preparatory Survey on the Programme for the Reconstruction of Palu 4 Bridges in Central Sulawesi Province Outline Design Report Chapter 3 Project Evaluation 3-1 Preconditions ............................................................................................................................. 3-1 3-2 Necessary Inputs by Recipient Country .................................................................................... 3-1 3-3 Important Assumptions ............................................................................................................. 3-2 3-4 Project Evaluation ..................................................................................................................... 3-2 3-4-1 Relevance ........................................................................................................................ 3-2 3-4-2 Effectiveness ................................................................................................................... 3-4 Appendix Environmental Checklist: Bridge ii The Preparatory Survey on the Programme for the Reconstruction of Palu 4 Bridges in Central Sulawesi Province Outline Design Report List of Figures Page Figure 1-1-1 Location of Palu Earthquake (Left) and the Project Area (Right) ......................................... 1-1 Figure 1-1-2 Palu 4 Bridge before Collapse (Left) and after Collapse (Right) .......................................... 1-2 Figure 1-2-1 Monthly Rainfall at the downstream (Parome Station) and upstream (Bangga Atas) of Palu River .............................................................................................................................. 1-3 Figure 1-2-2 Results of tidal observation conducted in May-June 2017 .................................................... 1-4 Figure 1-2-3 Design Flood Discharge ........................................................................................................ 1-5 Figure 1-2-4 Topographic map of Palu in Central Sulawesi ....................................................................... 1-7 Figure 1-2-5 Geological map of Palu in Sulawesi Island ........................................................................... 1-8 Figure 1-2-6 Topographic Survey Results .................................................................................................. 1-9 Figure 1-2-7 Boring survey position ........................................................................................................ 1-10 Figure 1-2-8 Boring survey ...................................................................................................................... 1-11 Figure 1-2-9 Boring outline column chart ................................................................................................ 1-13 Figure 1-2-10 Stratified N-value depth distribution ................................................................................... 1-15 Figure 1-2-11 Settlement study section ...................................................................................................... 1-17 Figure 1-2-12 Examination model .............................................................................................................. 1-18 Figure 1-2-13 Vertical stress influence value in ground by trapezoidal band load ..................................... 1-20 Figure 1-2-14 Clay○1 e-logP Curve (Boring GA.02、GL-23-24m)............................................................. 1-21 Figure 1-2-15 Clay○2 e-logP Curve (Boring GA.05、GL-42-43m)............................................................. 1-22 Figure 1-3-1 Outline of the Project as of April 1, 2019 ............................................................................ 1-23 Figure 1-3-2 Forest Map of Central Sulawesi .......................................................................................... 1-30 Figure 1-3-3 Coral reef and mangrove in Baiya Subdistrict ..................................................................... 1-30 Figure 1-3-4 Coral reef and mangrove in Pantoloan Boya Subdistrict ..................................................... 1-31 Figure 1-3-5 Coral reef and mangrove in West Besusu Subdistrict .......................................................... 1-31 Figure 1-3-6 Protected Area of Donggala Regency .................................................................................. 1-32 Figure 1-3-7 UPL-UKL Examination Procedure Flow ............................................................................ 1-43 Figure 1-3-8 Comparison of Alternatives of the Project ........................................................................... 1-49 Figure 1-3-9 Site Condition ...................................................................................................................... 1-61 Figure 1-3-10 Sample Monitoring Format for Land Acquisition ............................................................... 1-75 Figure 1-4-1 Procurement process in Indonesia