Initial Environmental Examination - Updated Project Number: 42361-013 Loan 2979-CAM/Loan 8264-CAM November 2019 CAM: Medium-Voltage Sub-Transmission Expansion Sector Project (former name: Rural Electrification Project) Package 1 Prepared by the Electricite du Cambodge for the Asian Development Bank. This updated 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. Your attention is directed to the “terms of use” section on ADB’s website. 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. KINGDOM OF CAMBODIA Nation Religion King ELECTRICITÉ DU CAMBODGE Medium Voltage Sub-Transmission Expansion Sector Project, Package 1 ADB Loan N° 2979 CAM (SF) UPDATED INITIAL ENVIRONMENTAL EXAMINATION NOVEMBER 2019 Korea Electric Power Corporation in association with Cheang Engineering Consultants Co.,Ltd Initial Environmental Examination Report MV Sub-Transmission P1-ADB Loan N° 2979 Subproject 1: Kampong Thom Province Subproject 2: Kampong Cham Province Subproject 3: Siem Reap Province Initial Environmental Examination Report MV Sub-Transmission P1-ADB Loan N° 2979 Currency Equivalents (National Bank of Cambodia official exchange rate as of June 2012) Currency Unit - Riel (KHR) KHR 1.00 = US$ 0.000246 US$ 1.00 = 4,065 KHR ABBREVIATIONS ADB Asian Development Bank AP Affected Person APL Angkor Protected Landscape ASEAN Association of Southeast Asian Nations CDM Clean development mechanism CDHS Cambodia Demographic and Health Survey CEMP Construction Environmental Management Plan CITES Convention on International Trade in Endangered Species CMAA Cambodian Mine Action and Victim Assistance Authority EA Executing Agency EAC Electricity Authority of Cambodia EARF Environmental Assessment Review Framework EDC Electricité du Cambodge EIA Environmental Impact Assessment EMP Environmental Management Plan EMoP Environmental Monitoring Plan EPI Environmental Performance Index FGD Focus Group Discussion GDP Gross Domestic Product GMS Greater Mekong Sub-region GNI Gross National Income GRM Grievance Redress Mechanism HDR Human Development Report IA Implementing Agency IBA Important Bird and Biodiversity Area IEE Initial Environmental Examination IEIA Initial Environmental Impact Assessment IMR Infant Mortality Rate LAB Lead Acid Battery MAPU Mine Action Planning Unit MEF Ministry of Economy and Finance MIME Ministry of Mines and Energy MOE Ministry of Environment NTFP Non-timber forest products OFID OPEC Fund for International Development PCB polychlorinated biphenyl PCR Physical Cultural Resource i Initial Environmental Examination Report MV Sub-Transmission P1-ADB Loan N° 2979 PIC Project Implementation Consultant PPA Power Purchase Agreement REA Rapid Environmental Assessment REE Rural Electrification Enterprise RGC Royal Government of Cambodia RP Resettlement Plan SEDP Socio-economic Development Plan SEPRO Social, Environmental and Public Relations Office, EDC SPS Safeguard Policy Statement (of ADB, June 2009) TFR Total Fertility Rate TSBR Tonle Sap Biosphere Reserve ULAB Used Lead Acid Battery UNDP United Nations Development Program UNESCO United Nations Education and Scientific Cooperation Organization UXO Unexploded Ordnance ELECTRICAL TERMINOLOGY V (Volt) Unit of voltage kV (kilovolt) 1,000 volts kVA (kilovolt-ampere) 1,000 VA MVA (Megavolt-ampere) 1,000 kVA High Voltage (HV) Voltage level exceeding 35 kV Medium Voltage (MV) Voltage level exceeding 0.6 kV and less than 35 kV Low Voltage (LV) Voltage level less than 0.6 kV HV Transmission System 500 kV (Planned), 230 kV, 115 kV lines MV Sub-transmission System 22 kV lines supplying distribution substations LV Distribution 400/230 V distribution and service lines Grid Substation Substation with primary voltage of 230 kV or 115 kV Distribution Substation Substation with primary voltage of 22 kV and secondary voltage of 400/230 V cct.km circuit kilometers ii Initial Environmental Examination Report MV Sub-Transmission P1-ADB Loan N° 2979 Contents ABBREVIATIONS ..................................................................................................................................i ELECTRICAL TERMINOLOGY ............................................................................................................. ii LIST OF TABLE................................................................................................................................... vi LIST OF FIGURE ............................................................................................................................... vii EXECUTIVE SUMMARY .......................................................................................................................1 I. INTRODUCTION ...............................................................................................................................2 A. Overview ................................................................................................................................2 B. Scope and Objective of the IEE ................................................................................................2 II. POLICY LEGAL AND ADMINISTRATIVE FRAMEWORK ....................................................................4 A. ADB Policies ...........................................................................................................................4 1. Safeguard Policy Statement ......................................................................................................................................4 2. Project Environmental Categorization ....................................................................................................................5 B. Legal and Institutional Framework of Cambodia ........................................................................5 1. Environment Law ........................................................................................................................................................5 2. Other Regulations with Environmental Implications for Rural Electrification .................................................5 3. National and Regional Environmental Policies and Plans....................................................................................6 4. Electric Power Technical Standards.........................................................................................................................7 5. Heritage Legislation ....................................................................................................................................................7 6. International Conventions and Agreements..........................................................................................................8 III. DESCRIPTION OF THE PROJECT................................................................................................. 10 A. Project Scope and Location.................................................................................................... 10 B. Technical Components .......................................................................................................... 14 C. Concrete Poles ..................................................................................................................... 14 D. Foundation ........................................................................................................................... 14 E. Overhead Ground Wires ....................................................................................................... 14 F. Transformers and Automatic Voltage Regulators ................................................................. 14 G. Construction Activities .......................................................................................................... 14 IV. DESCRIPTION OF ENVIRONMENT ............................................................................................... 17 A. Physical Resources ............................................................................................................... 17 1. Climate and Air Quality ........................................................................................................................................... 17 Rainfall............................................................................................................................................................................ 17 Temperature ................................................................................................................................................................. 18 2. Air Quality and Noise .............................................................................................................................................. 19 3. Topography and Soils .............................................................................................................................................. 20 4. Geology and Seismicity ........................................................................................................................................... 21 5. Water Quality and Resources ...............................................................................................................................