Initial Environmental Examination Project Number: 41220-013 August 2020 PHI: Integrated Natural Resources and Environmental Management Project Subproject: Rehabilitation of Ga-ang Footpath Ga-ang, Tanudan, Kalinga Prepared by the Municipality of Tanudan, Kalinga for the Department of Environment and Natural Resources and the Asian Development Bank. i 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 DA Department of Agriculture 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 EHSM environmental health and safety manager EIA environmental impact assessment EIS environmental impact statement EMB environmental management bureau ESS environmental safeguards specialist FMR farm to market road GAD gender and development IEE initial environmental examination IATF Inter-Agency Task Force INREMP Integrated Natural Resources and Environment Management Project IP indigenous people IROW infrastructure right of way LGU Local Government Unit 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 NOL no objection letter NPCO National Project Coordinating Office NRIMP National Road Improvement and Management Program NRM natural resources management OCM overhead, contingencies and miscellaneous iii PCCP portland cement concrete pavement PDR project description report PMIC project management implementation consultant PPMO Provincial Project Management Offices PMO Project Management Office PMU Project Management Unit POs peoples’ organizations 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 Subproject 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 WMC Watershed Management Council 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. iv TABLE OF CONTENTS I. EXECUTIVE SUMMARY .................................................................................................. 1 II. POLICY, LEGAL, AND ADMINISTRATIVE FRAMEWORK.............................................. 2 A. Environmental Clearance Requirements ..................................................................... 2 Government Environmental Laws, Regulations and Guidelines ............................... 2 ADB Environmental Assessment Requirements ....................................................... 5 III. DESCRIPTION OF THE PROJECT .............................................................................. 6 A. Overview ...................................................................................................................... 6 B. Project Location ........................................................................................................... 7 C. Project Rationale .......................................................................................................... 7 D. Project Development Plan ............................................................................................ 8 Project Components .................................................................................................. 8 Description of the Project Phases ........................................................................... 12 E. Manpower Requirements ........................................................................................... 13 F. Project Cost ................................................................................................................ 13 G. Project Duration and Schedule .................................................................................. 14 IV. DESCRIPTION OF THE ENVIRONMENT .................................................................. 15 A. Elevation and Slope ................................................................................................... 15 B. Climate ....................................................................................................................... 15 C. Soils ........................................................................................................................... 15 D. Land Cover and Land Use ......................................................................................... 15 E. Water Sources ........................................................................................................... 17 F. Mining ......................................................................................................................... 17 G. Flora and Fauna Diversity .......................................................................................... 17 Flora ........................................................................................................................ 19 Fauna ...................................................................................................................... 19 H. Socio-Economic Conditions ....................................................................................... 19 Demographic Characteristics .................................................................................. 19 Basic Social Services .............................................................................................. 19 Economic Situation .................................................................................................. 20 Livelihood and Expenditures ................................................................................... 22 V. ANTICIPATED ENVIRONMENTAL IMPACTS AND MITIGATION MEASURES ........... 23 A. Pre-Construction ........................................................................................................ 25 Confirmation of no required resettlement, relocation, and compensation ............... 25 Identification and prioritization of sections ............................................................... 25 Preparation of detailed engineering designs and programs of work where footpath concreting and stone masonry will be done .................................................................... 25 Recruitment of workers ............................................................................................ 26 B. Construction ............................................................................................................... 26 Construction materials acquisition, transport access, and storage system ............. 26 Land clearing, soil excavation, and removal of obstructions ................................... 26 Soil erosion .............................................................................................................. 26 Ground surface clearing and grubbing of existing footpath ..................................... 27 Civil works ............................................................................................................... 27 Implementation of noise and dust control measure ................................................. 27 Implementation of spoil management and control measure .................................... 27 Solid and liquid construction waste management system ....................................... 27 Water quality ............................................................................................................ 28 Workers health, safety and hygiene ..................................................................... 28 Ecological environment (Flora and Fauna) .......................................................... 28 Damage to properties .......................................................................................... 28 Concrete washout ...............................................................................................