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Initial Environmental Examination Project Number: 41220-013 August 2020 PHI: Integrated Natural Resources and Environmental Management Project Subproject: Rehabilitation of Tinago-Pilpilon Access Road Duero, Bohol Prepared by the Municipality of Duero, Province of Bohol for the Asian Development Bank. i 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. ii CURRENCY EQUIVALENTS (as of 15 July 2020) The date of the currency equivalents must be within 2 months from the date on the cover. Currency unit – peso (PhP) PhP 1.00 = $ 0.02023 $1.00 = PhP 49.4144 ABBREVIATIONS ADB Asian Development Bank BDC barangay development council BUB bottom-up budgeting CNC certificate of non-coverage COVID corona virus disease CSC construction supervision consultant CSO Civil Society Organization DED detailed engineering design DENR Department of Environment and Natural Resources DILG Department of Interior and Local Government DSWD Department of Social Welfare and Development ECA environmentally critical area ECC environmental compliance certificate ECP environmentally critical project EIA environmental impact assessment EIS environmental impact statement EMB environmental management bureau ESS environmental safeguards specialist IEE initial environmental examination IATF Inter-Agency Task Force INREMP Integrated Natural Resources and Environmental Management Project IP indigenous people IROW infrastructure right of way LGU Local Government Unit LPRAT Local Poverty Reduction Action Team MDC Municipal Development Council MPN most probable number NAAQ national ambient air quality guidelines NCB national competitive bidding NECA non environmental critical area NECP non environmental critical project NIA National Irrigation Administration NPCO National Project Coordinating Office NRIMP National Road Improvement and Management Program NRM natural resources management OCM overhead, contingencies and miscellaneous PAGASA Philippine Atmospheric Geophysical and Astronomical Services Administration PDR project description report PMIC project management implementation consultant PPMO Provincial Project Management Offices PMO Project Management Office iii PMU project management unit POs peoples’ organizations PRECIS Providing Regional Climates for Impact Studies PSA Philippine Statistics Authority PWD persons with disability RC reinforced concrete RCPC reinforced concrete pipe culvert RPCO Regional Project Coordinating Offices REA rapid environmental assessment ROW right of way SB sangguniang bayan SBD standard bidding document SEMS social and environmental management systems SPMU Sub-Project Management Unit SPS safeguard policy statement SSS social safeguards specialist TA technical assistance TDS total dissolved solids TOR terms of reference TSP total suspended particulates WMA watershed management area WMPCO Watershed Management and Project Coordination Offices iv WEIGHTS AND MEASURES ˚C – degree centigrade ha – hectare km – kilometer m – meter m asl – meter above sea level mm – millimeter mg/L – milligram per liter mg/Nm3 – milligram per normal cubic meter ppt – parts per thousand μg/Nm3 – microgram per normal cubic meter µS/cm – microSiemens/cm % – percent NOTE In this report, "$" refers to US dollars unless otherwise stated. v TABLE OF CONTENTS I. EXECUTIVE SUMMARY ..................................................................................................1 II. POLICY, LEGAL, AND ADMINISTRATIVE FRAMEWORK ............................................2 A. Environmental Clearance Requirements ..........................................................................2 1. Government Environmental Laws, Regulations and Guidelines .................................. 2 2. ADB Environmental Assessment Requirements .......................................................... 4 III. DESCRIPTION OF THE PROJECT .................................................................................5 A. Overview ........................................................................................................................... 5 B. Project Location ................................................................................................................ 5 C. Project Rationale .............................................................................................................. 6 D. Project Development Plan ................................................................................................7 1. Project Components ..................................................................................................... 7 2. Description of the Project Phases .............................................................................. 16 E. Manpower Requirements ................................................................................................16 F. Project Cost .................................................................................................................... 17 G. Project Duration and Schedule .......................................................................................17 IV. DESCRIPTION OF THE ENVIRONMENT ......................................................................18 A. Elevation and Slope ........................................................................................................ 18 B. Geology .......................................................................................................................... 19 C. Soils ................................................................................................................................ 20 D. Water Quality .................................................................................................................. 21 E. Land Classification .......................................................................................................... 23 F. Land Cover and Land Use ..............................................................................................24 G. Climate ............................................................................................................................25 1. Baseline Climate ........................................................................................................ 25 2. Climate Scenario for Bohol in 2020 and 2050 ............................................................ 26 H. Hydrology ........................................................................................................................28 I. Natural Hazards .............................................................................................................. 28 J. Biological Environment ...................................................................................................28 1. Flora ........................................................................................................................... 28 2. Fauna ......................................................................................................................... 29 K. Socio-Economic Conditions ............................................................................................29 1. Population .................................................................................................................. 29 2. Water Supply .............................................................................................................. 30 3. Indigenous Peoples .................................................................................................... 30 4. Education ................................................................................................................... 30 5. Health and Sanitation ................................................................................................. 30 6. Mortality and Morbidity ............................................................................................... 31 7. Electricity .................................................................................................................... 31 8. Communication .......................................................................................................... 31 9. Income and Expenditure ............................................................................................ 31 10. Tourism ................................................................................................................... 31 11. Commerce and Industry ......................................................................................... 31 12. Road and Transportation ........................................................................................ 32 V. ANTICIPATED ENVIRONMENTAL IMPACTS AND MITIGATION MEASURES ........... 33 A. Pre-Construction ............................................................................................................. 34 1. Confirmation of no required resettlement, relocations, and compensation ................ 34 2. Identification and prioritization of road sections ......................................................... 35 3. Preparation of detailed