50301-003: Second Integrated Road
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Initial Environmental Examination Project Number: 50301-003 Loan Number: 3851 November 2020 SRI: Second Integrated Road Investment Program – Tranche 2 Improvement, Rehabilitation and Maintenance of - Pitakotte - Thalawathugoda Road (B368) - Pagoda Pitakotta Road (B345) - Borella Rajagiriya Road (Kota Road) - B062 - Malabe - Kaduwela Road (B263) - Kelaniya Mudungoda Road (B214) from Nagahamula Junction to Belummahara Prepared by the Road Development Authority, Ministry of Highways for the Asian Development Bank. This Initial Environmental Examination Report 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. Ministry of Highways SECOND INTEGRATED ROAD INVESTMENT PROGRAM Providing Services for Preparation of Environmental, Social Safeguard Documents for Rehabilitation and Maintenance of 1. B062: Borella–Rajagiriya Road (Cotta Road) (from 0+000 km to 1+380 km) 2. B263: Malabe–Kaduwela Road (from 0+000 km to 5+630 km) 3. B368: Pitakotte–Thalawathugoda Road (from 0+000 km to 4+100 km) 4. B345: Pagoda–Pitakotte Road (from 0+000 km to 1+530 km) 5. B214: Kelaniya–Mudungoda Road from Nagahamulla Junction to Belummahara Junction (from 6+000 km to 29+000 km) Initial Environmental Examination Report Final Report November 2020 Prepared by SMEC in Association with RDC & MHEC On behalf of Road Development Authority Ministry of Highways Submitted to Asian Development Bank Initial Environmental Examination Document Status: Final Report Date: November 2020 Survey and Preliminary Engineering (SAPE) works for Second Integrated Road Investment Program Rehabilitation and improvement of: 1. B062: Borella–Rajagiriya Road (Cotta Road) (from 0+000 km to 1+380 km) 2. B263: Malabe–Kaduwela Road (from 0+000 km to 5+630 km) 3. B368: Pitakotte–Thalawathugoda Road (from 0+000 km to 4+100 km) 4. B345: Pagoda–Pitakotte Road (from 0+000 km to 1+530 km) 5. B214: Kelaniya–Mudungoda Road from Nagahamulla Junction to Belummahara Junction (from 6+000 km to 29+000 km) Prepared by SMEC in Association with RDC & MHEC for the Road Development Authority, Sri Lanka. ABBREVIATIONS ADB - Asian Development Bank AMSL - Above Mean Sea Level BIQ - Basic Information Questionnaire BOD - Biochemical Oxygen Demand CEA - Central Environmental Authority DS - Divisional Secretary EA - Executing Agency EHS - Environment, Health & Safety EIA - Environmental Impact Assessment EMP - Environmental Management Plan EMoP - Environmental Monitoring Plan EPL - Environmental Protection License FFPO - Fauna and Flora Protection Ordinance FS - Feasibility Study GHG - Greenhouse Gas GN - Grama Niladhari GoSL - Government of Sri Lanka GRC - Grievance Redress Committee GRM - Grievance Redress Mechanism GSMB - Geological Survey and Mines Bureau H&S - Health and Safety H&SP - Health and Safety Plan IA - Implementing Agency IEE - Initial Environmental Examination IFC - International Finance Corporation iRoad 2 - Second Integrated Road Investment Program IUCN - International Union for Conservation of Nature MEN - Ministry of Environment MOH - Ministry of Highways MSL - Mean Sea Level NEA - National Environmental Act I SMEC in Association with RDC & MHEC NGO - Non-Governmental Organization NWSDB - National Water Supply and Drainage Board O&M - Operation and Maintenance PAA - Project Approving Agency PD - Project Director PIC - Project Implementation Consultants PIU - Project Implementation Unit PPE - Personal Protective Equipment RDA - Road Development Authority REA - Rapid Environmental Assessment ROW - Right of Way SAPE - Survey and Preliminary Engineering SPS - ADB Safeguard Policy Statement 2009 II SMEC in Association with RDC & MHEC TABLE OF CONTENT TABLE OF CONTENT ........................................................................................................... IV ANNEXES .............................................................................................................................. VI APPENDICES ....................................................................................................................... VII LIST OF FIGURES ................................................................................................................ IX LIST OF TABLES .................................................................................................................. IX EXECUTIVE SUMMARY ...................................................................................................... XII 1. INTRODUCTION ............................................................................................................. 1 A. Background................................................................................................................... 1 B. Objectives of the proposed project ............................................................................... 1 C. Objectives of the Initial Environmental Examination ..................................................... 2 D. Outline of the Assessment ............................................................................................ 3 E. Approach, Methodology, and Personnel Involved ........................................................ 3 2 POLICY, LEGAL, AND ADMINISTRATIVE FRAMEWORK ........................................... 6 A. Applicable Laws, Regulations, Standards, and Requirements ..................................... 6 A1 National Environmental Act and other applicable regulation ................................ 6 A2 Project-relevant International Agreements and Conventions .............................. 14 B. ADB Policy on Environmental & Social safeguards .................................................... 16 3 DESCRIPTION OF THE PROJECT .............................................................................. 18 Location of the project ....................................................................................................... 18 Category of the project ...................................................................................................... 20 Need for the Project .......................................................................................................... 20 Analysis of Alternatives ..................................................................................................... 27 D1 No Project Alternative ......................................................................................... 27 D2 With Project Alternative ....................................................................................... 27 Magnitude of Operations ................................................................................................... 27 E1 Proposed improvement ....................................................................................... 27 E2 Project activities .................................................................................................. 28 E3 Extraction of Construction Material ..................................................................... 31 4 DESCRIPTION OF EXISTING ENVIRONMENT ........................................................... 32 A. Existing land use along the road ................................................................................. 32 A1 Land Use ............................................................................................................. 32 A2 Existing condition of culverts and bridges ........................................................... 36 IV SMEC in Association with RDC & MHEC B. Physical Environment ................................................................................................. 36 B1 Climate, land use, terrain and soil ....................................................................... 36 B2 Hydrology ............................................................................................................ 38 B3 Water Quality ...................................................................................................... 44 B1 Air Quality ........................................................................................................... 48 B2 Noise Levels ....................................................................................................... 49 C. Ecological Environment .............................................................................................. 52 C1 General description of the project area ............................................................... 52 C2 Major Habitat Types ............................................................................................ 52 C3 Environmental condition of individual roads/sections ......................................... 54 C4 Flora and Fauna of the project area .................................................................... 55 D. Socio-Economic Environment ..................................................................................... 57 D1 Infrastructure Facilities ............................................................................................. 60 5 ANTICIPATED ENVIRONMENTAL IMPACTS AND PROPOSED MITIGATION MEASURES .................................................................................................................