Cambodia: Provincial Roads Improvement Project (Financed by the Technical Assistance Special Fund)
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Technical Assistance Consultant’s Report Project Number: 43309-013 December 2016 Cambodia: Provincial Roads Improvement Project (Financed by the Technical Assistance Special Fund) Appendix A: Initial Environment Examination (IEE) Prepared by Korea Consultants International, in Association with Dainichi, Sambo and Hankuk Engineering Consultants, in sub-Association with MECC, SBK, KACE and SAWAC Cambodia For the Ministry of Public Works and Transport and the Asian Development Bank 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. Ministry of Public Works Asian Development bank and Transport MINISTRY OF PUBLIC WORKS AND TRANSPORT KINGDOM OF CAMBODIA ADB LoanNo.2839-CAM (SF) / ADB Loan No.8254-CAM APPENDIX A INITIAL ENVIRONMENTAL EXAMINATION (IEE) FEASIBILITY STUDY ON SECOND PROVINCIAL ROADS IMPROVEMENT PROJECT December 2016 KOREA CONSULTANTS INTERNATIONAL in association with in sub-cconsultancy with Dainichi, Sambo and MECC, SBK, KACE and SAWAC Hankuk Engineering Consultant ABBREVIATIONS AASHTO American Association of State Highway and Transportation Officials ADB Asian Development Bank CIF Climate Investment Fund CTF Clean Technology Fund DEM Digital Elevation Model DGPS Differential Global Positioning System FRMI Flood Risk Management Interface GCM Global Climate Models GIS Geographic Information System GTFM Generalized Tropical Flood Model IDF Rainfall Intensity Duration and Frequency curves KM Knowledge Management MOWRAM Ministry of Water Resources and Meteorology MPWT Ministry of Public Works and Transport MRC Mekong River Commission PMU3 Project Management Unit 3 PPCR Pilot Program for Climate Resilience PRIP Provincial Roads Improvement Project SCF Strategic Climate Fund SPCR Strategic Program for Climate Resilience SREP Scale Up Renewable Energy Project NOTES In this report, "$" refers to US dollars unless otherwise stated. This initial environmental examination is a document of the borrower. The views expressed herein do not necessarily represent those of ADB’s Board of Directors, Management, or staff, and may be preliminary in nature. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area. Contents I. EXECUTIVE SUMMARY................................................................................................................................12 II. POLICY, LEGAL, AND ADMINISTRATIVE FRAMEWORK ..........................................................................14 A. Policy Framework............................................................................................................................ 14 B. Legal Framework ............................................................................................................................ 14 1. Laws on Environment................................................................................................................... 14 2. Laws on Historical Monuments ...................................................................................................14 3. Laws on Nature Reserves ............................................................................................................15 4. Laws on Wildlife ............................................................................................................................ 15 5. Subsidiary Laws on Environmental Protection .........................................................................15 a) Sub-decrees and Regulations .................................................................................15 b) Sub-Decree on Air and Noise Pollution Control (Draft) ............................................15 c) Sub-Decree on Water Pollution Control (No. 27 ANRK.BK 1999) (Draft).................16 d) Sub-Decree on Solid Waste Management (No. 36 ANRK.BK 1999) (Draft).............16 e) Hazardous Substances ...........................................................................................16 C. Administrative Framework...............................................................................................................16 1. Protected Areas............................................................................................................................. 17 2. Important Bird Area ...................................................................................................................... 18 D. Cambodian IEE Requirements........................................................................................................18 E. Project Environmental Classification............................................................................................... 20 III. Description of the Project ............................................................................................................................21 A. Description of Project Roads...........................................................................................................21 B. Cross Sections ................................................................................................................................ 22 C. Engineering Details ......................................................................................................................... 26 1. PR1534 in Kampong Chhnang and Pursat Province, 84.5km ................................................... 26 2. PR23 in Kandal Province, 20km...................................................................................................30 3. PR312 in Prey Veng Province, 28km ........................................................................................... 32 D. Current Environmental Conditions of Project Roads ......................................................................34 1. Kampong Chhnang and Pursat ...................................................................................................34 2. Kandal ............................................................................................................................................42 3. Prey Veng.......................................................................................................................................46 IV. Description of the Environment (Baseline Data) ........................................................................................50 A. Physical Environment...................................................................................................................... 50 1. Geography .....................................................................................................................................50 2. Climate ...........................................................................................................................................50 3. Temperatures.................................................................................................................................50 4 4. Wind................................................................................................................................................52 5. Rainfall ...........................................................................................................................................52 6. Humidity.........................................................................................................................................52 7. Minerals..........................................................................................................................................52 8. Air and Noise Quality Condition ..................................................................................................52 a) Air Quality on PR1534 (Kampong Chhnang and Pursat Province) ..........................54 b) Air and Noise Quality on PR23 and 312 (Kandal and Prey Veng Province).............55 9. Water Quality .................................................................................................................................55 c) Surface Water Quality near PR1534 in Kampong Chhnang and Pursat Province....56 d) Surface Water Quality on PR23 and 312 (Kandal and Prey Veng Province)............57 10. Topography....................................................................................................................................58 11. Hydrology.......................................................................................................................................58 12. Flooding .........................................................................................................................................60 B. Biological Environments.................................................................................................................. 61 1. Forest Cover and Forest Resources ........................................................................................... 61 a) Kampong Chhnang and Pursat Province.................................................................62 b) Kandal and Prey Veng Province..............................................................................64 2. Biodiversity....................................................................................................................................65