Hoi an City, Quang Nam Province Initial Environmental Examination
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Initial Environmental Examination October 2014 VIE: Urban Environment and Climate Change Adaptation Project (Hoi An City, Quang Nam Province) Prepared by Quang Nam Provincial People’s Committee for the Asian Development Bank (ADB). 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. VIE: Urban Environment and Climate Change Adaptation Project Final Report Volume 3A: Hoi An Initial Environmental Evaluation I SSUE DATE: OCTOBER 2014 Document Sign Off Final Report: Volume 3A ADB VIE: Urban Environment and Climate Change Adaptation Project PM Group Project Number: IE1310001410 Document Number: IE131001410-06-RP-103-Issue B Customer Project Number: TA-8171 File No: IE131001410-06-RP-103 CURRENT ISSUE Issue No: B Date: Reason for issue: For Client Approval Sign Off Originator Checker Reviewer Approver Customer Approval (if required) Print Name Dr Bernard YON Dr Gary MOYS Jim McNelis Trevor O’REGAN Signature Date 20 /10/14 20 /10/14 20 /10/14 20 /10/14 I SSUE DATE: OCTOBER 2014 Asian Development Bank Urban Environment and Climate Change Adaptation Project IE131001410-06-RP-103, Issue B May 2014 C ONTENTS E XECUTIVE SUMMARY 1. INTRODUCTION ......................................................................................................... 4 1.1. PROJECT RATIONALE ........................................................................................................... 4 1.2. PROJECT CATEGORIZATION .................................................................................................. 4 1.3. PURPOSE OF EIA/IEE .......................................................................................................... 5 1.4. REPORT ORGANIZATION ....................................................................................................... 5 2. POLICY, INSTITUTIONAL & LEGAL FRAMEWORK .......................................................... 6 2.1. VIETNAMESE ENVIRONMENTAL LEGISLATION ......................................................................... 6 2.2. VIETNAM ENVIRONMENTAL REQUIREMENTS AND FRAMEWORK ............................................... 8 2.3. ADB ENVIRONMENTALSAFEGUARDS POLICY ........................................................................ 9 2.3.1. GENERAL REQUIREMENTS ................................................................................................................. 10 2.3.2. ENVIRONMENTAL REQUIREMENTS ..................................................................................................... 10 2.3.3. STRENGTHENING AND USE OF COUNTRY SAFEGUARD SYSTEM .......................................................... 12 3. PROJECT DESCRIPTION ........................................................................................... 13 3.1. PROJECT LOCATION: HOI AN CITY ...................................................................................... 13 3.2. PROJECT PLANNING........................................................................................................... 13 3.3. PROVINCIAL ROAD 608 RAISING ......................................................................................... 14 3.4. CUA DAI ROAD .................................................................................................................. 14 3.5. CO CO NEW URBAN DEVELOPMENT .................................................................................... 15 3.6. LAI NGHI RESERVOIR IMPROVEMENT AND INTAKE ................................................................ 17 3.7. PHAP BAO LAKE IMPROVEMENT ......................................................................................... 18 3.8. ASSOCIATED FACILITIES (LINKED PROJECTS) ...................................................................... 18 3.8.1. CUA DAI BRIDGE .............................................................................................................................. 19 3.8.2. NEW WASTEWATER TREATMENT PLANT ............................................................................................ 19 3.9. IMPLEMENTATION SCHEDULE .............................................................................................. 21 4. BASELINE SITUATION .............................................................................................. 22 4.1. TOPOGRAPHY, GEOLOGY AND HYDROGEOLOGY .................................................................. 22 4.1.1. GEOLOGICAL HAZARDS .................................................................................................................... 22 4.2. CLIMATE............................................................................................................................ 23 4.2.1. GENERAL CLIMATIC CONDITIONS....................................................................................................... 23 4.2.2. TYPHOONS & STORMS ...................................................................................................................... 23 PPTA 8171 VOL3B IEE HOI AN REV BYON 20OCT14.DOCX PAGE A Asian Development Bank Urban Environment and Climate Change Adaptation Project IE131001410-06-RP-103, Issue B May 2014 4.3. HYDROLOGY ...................................................................................................................... 24 4.3.1. RIVER SYSTEM IN HOI AN REGION ..................................................................................................... 24 4.3.2. FLOWS AND LEVELS .......................................................................................................................... 26 4.3.3. TIDAL EFFECTS IN THE ESTUARY ....................................................................................................... 27 4.4. FLOODS ............................................................................................................................ 27 4.5. COASTAL EROSION ............................................................................................................ 30 4.6. CLIMATE CHANGE IN THE QUANG NAM PROVINCE ............................................................... 32 4.6.1. BASELINE SCENARIOS FOR GHG EMISSIONS CONSIDERED ................................................................ 32 4.6.2. SCENARIOS FOR TEMPERATURE CHANGE .......................................................................................... 33 4.6.3. SCENARIOS FOR RAINFALL EVOLUTION ............................................................................................. 33 4.6.4. SCENARIOS FOR SEA RISE LEVEL EVOLUTION ................................................................................... 34 4.6.5. EVOLUTION OF VIETNAM CC SCENARIOS ........................................................................................... 34 4.7. AIR QUALITY ..................................................................................................................... 35 4.8. UNDERGROUND WATER QUALITY ....................................................................................... 37 4.9. SURFACE WATER QUALITY ................................................................................................. 39 4.10. SURFACE WATER SALINITY & WATER RESOURCES ............................................................. 44 4.11. LAND USE ......................................................................................................................... 46 4.11.1. EXISTING SITUATION ......................................................................................................................... 46 4.11.2. DEVELOPMENT TRENDS .................................................................................................................... 47 4.12. TERRESTRIAL & AQUATIC ECOLOGY ................................................................................... 49 4.13. PROTECTED AREAS ........................................................................................................... 50 4.13.1. CU LAO CHAM NATURE RESERVE ..................................................................................................... 50 4.13.2. HOI AN WORLD CULTURAL HERITAGE SITE ....................................................................................... 50 4.14. SOCIAL AND CULTURAL BASELINE ...................................................................................... 51 4.14.1. ADMINISTRATIVE ORGANIZATION ....................................................................................................... 51 4.14.2. POPULATION ..................................................................................................................................... 51 4.14.3. POVERTY AND GENDER ..................................................................................................................... 52 4.14.4. EDUCATION ...................................................................................................................................... 52 4.14.5. PUBLIC HEALTH ...............................................................................................................................