Initial Environmental Examination Project Number: 47182-001 Loan Numbers: L3027/3028 June 2019 SRI: Southern Road Connectivity Project —Improvement/Upgrading of Kesbewa Pokunuwita (B084) Road and Colombo-Ratnapura-Wellawaya- Batticaloa Road(A004) This Initial Environmental Examination prepared by the Road Development Authority, Ministry of Highways and Road Development and Petroleum Resources Development for the Asian Development Bank. 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. 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 Southern Road Connectivity Project IMPROVEMENT / UPGRADING of Kesbewa-Pokunuwita(B084) Road Sections of Pamankada – Kesbewa (0+500 to 1+100km & 10+500 to 13+450km), Gonapola-Pokunuwita (23+400km to 28+180km) Colombo-Ratnapura-Wellawaya-Batticaloa Road(A004) Sections of Homagama to Godagama (15+360 to 17+260km and 18+200 to 20+420km) INITIAL ENVIRONMENTAL EXAMINATION (IEE) REPORT Submitted to Asian Development Bank (ADB) June 2019 by Road Development Authority Ministry of Highways and Road Development & Petroleum Resources Development Government of the Democratic Socialist Republic of Sri Lanka i Southern Road Connectivity Project IMPROVEMENT / UPGRADING of Kesbewa-Pokunuwita(B084) Road Colombo-Ratnapura-Wellawaya-Batticaloa Road(A004) INITIAL ENVIRONMENTAL EXAMINATION (IEE) REPORT Submitted to Asian Development Bank (ADB) June 2019 by Road Development Authority Ministry of Highways and Road Development & Petroleum Resources Development Government of the Democratic Socialist Republic of Sri Lanka ii Contents EXECUTIVE SUMMARY ......................................................................................................................... 5 CHAPTER 01 ............................................................................................................................................. 7 INTRODUCTION ..................................................................................................................................... 7 1.1 Project background and justification ...................................................................................... 7 1.2 Objective of the Subproject ...................................................................................................... 8 1.3 Objectives of this IEE Report ................................................................................................... 8 1.4 Extent, Scope of the Study and Personnel ............................................................................. 8 1.5 Applicable Laws, Regulations, Standards and Requirements Covering the Proposed Subproject ............................................................................................................................................... 9 1.6 Other state agencies that may need to be consulted for development works .................. 9 CHAPTER 02 ........................................................................................................................................... 10 DESCRIPTION OF THE PROJECT ....................................................................................................... 10 2.1 Type of Subproject .................................................................................................................. 10 2.2 Category of Project .................................................................................................................. 10 2.3 Need for the Project ................................................................................................................ 10 2.4 Location of the Subproject ..................................................................................................... 11 2.5 Magnitude of Operations ....................................................................................................... 13 2.6 Sources and Quantities of Material Required ..................................................................... 14 2.7 Proposed Schedule of Implementation ................................................................................ 14 2.8 Typical Cross Sections ............................................................................................................ 14 CHAPTER 03 ........................................................................................................................................... 15 DESCRIPTION OF THE ENVIRONMENT ......................................................................................... 15 3.1 Existing land use pattern along the trace............................................................................. 15 3.2 Physical Resources .................................................................................................................. 17 3.2.1. Climate, hydrology, air and noise ........................................................................................ 17 3:2:2 Geology, Topography and Soils ........................................................................................... 19 3:2:3 Surface Water, Ground Water and Drainage ...................................................................... 19 3.3 Ecological Resources ............................................................................................................... 19 3.3.1 Existing Habitats with Respect to Flora and Fauna ........................................................... 19 3.3.2 Rare, threatened and endemic flora and fauna .................................................................. 20 3.4 Economic Development ......................................................................................................... 20 3.4.1 Agriculture and Industries .................................................................................................... 20 3.4.2 Infrastructure Facilities such as Electricity, Pipe water and Telecommunication ......... 21 3.4.3 Transport Facilities ................................................................................................................. 21 3.5 Social & Cultural Resources .................................................................................................. 21 3.5.1 Education and Health Facilities ............................................................................................ 21 3.5.2 Cultural, religious and archaeological places/ structures along the trace ..................... 22 CHAPTER 04 ........................................................................................................................................... 23 SCREENING OF POTENTIAL ENVIRONMENTAL IMPACTS & MITIGATION MEASURES 23 i 4.1 Potential Environmental Impacts and Mitigation Measures at Preconstruction and Construction stages. ............................................................................................................................ 23 4.2 Measures to Mitigate or Manage Environmental Consequences during pre- construction and construction stages ............................................................................................... 25 4.3 Measures to mitigate impacts upon ecological resources in the marshes and valuable beneficial water uses ........................................................................................................................... 26 4.4 Measures to mitigate impacts on air quality ....................................................................... 27 4.5 Measures to mitigate impacts due to noise and vibration ................................................ 28 4.6 Measures to mitigate impacts for Public health and safety .............................................. 28 CHAPTER 05 ........................................................................................................................................... 30 INSTITUTIONAL REQUIREMENTS & ENVIRONMENTAL MONITORING PLAN/ENVIRONMENTAL MANAGEMENT PLAN ..................................................................... 30 5:1 Environmental Management Plan (EMP) .......................................................................... 30 5:2 Environmental Monitoring Plan (EMoP) ............................................................................ 31 5.3 Baseline survey related to environment compliances ....................................................... 31 5:4 Cost for EMP, EMoP and baseline survey. ......................................................................... 31 CHAPTER 07 ........................................................................................................................................... 32 FINDINGS & RECOMMENDATIONS ................................................................................................ 32 CHAPTER 08 ........................................................................................................................................... 33 CONCLUSION ........................................................................................................................................ 33 REFERENCES .........................................................................................................................................