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  • Technical Assistance Consultants Report

    This consultants report does not necessarily reflect the views of ADB or the Government concerned, and ADB and the Government cannot be held liable for its contents. For project preparatory technical assistance: All the views expressed herein may not be incorporated into the proposed projects design.

    Project Number: 39536 March 2008

    Technical Assistance Socialist Republic of Viet Nam: Capacity Building in the Strategic Environmental Assessment of the Hydropower Project (Financed by the Government of Finland)

    Prepared by International Centre for Environmental Management Brisbane, Queensland, Australia

    For Ministry of Environment and Natural Resources (MONRE)

  • Final SEA Report ADB, MONRE, EVN, MOIT, Quang Nam DONRE

    ICEM SEA of the hydropower plan in the Vu Gia-Thu Bon River Basin page 1 of 204

    Capacity Building in the Strategic Environmental Assessment of the Hydropower Sector in Viet Nam

    (TA 4713-VIE)

    SEA of the Quang Nam Province Hydropower Plan for the Vu Gia-Thu Bon

    River Basin

    Final SEA Report January 2008

    (Report structure is based on requirements for contents of SEA Reports laid down in the SEA/SEA Circular 08/2006/TT-BTNMT)

    Ministry of Environment and Natural Resource Ministry of Industry, Electricity Viet Nam

    Asian Development Bank

  • Final SEA Report ADB, MONRE, EVN, MOIT, Quang Nam DONRE

    ICEM SEA of the hydropower plan in the Vu Gia-Thu Bon River Basin page 1 of 204

    Citation: ICEM, 2008, Strategic Environmental Assessment of the Quang Nam Province Hydropower Plan for the Vu Gia-Thu Bon River Basin, Prepared for the ADB, MONRE, MOITT & EVN, Hanoi, Viet Nam.

  • Final SEA Report ADB, MONRE, EVN, MOIT, Quang Nam DONRE

    ICEM SEA of the hydropower plan in the Vu Gia-Thu Bon River Basin page 1 of 204

    CONTENTS CONTENTS ..................................................................................................................................................................... 1

    ACKNOWLEDGEMENTS ............................................................................................................................................ 5

    ACRONYMS ................................................................................................................................................................... 6

    SUMMARY ...................................................................................................................................................................... 7

    1 BACKGROUND TO THE SEA .......................................................................................................................... 111.1 ORIGIN OF THE PILOT SEA .............................................................................................................................. 111.2 PURPOSE OF THE PILOT SEA ........................................................................................................................... 111.3 LEGISLATIVE BASIS FOR UNDERTAKING THE SEA .......................................................................................... 121.4 MANAGEMENT AND INSTITUTIONAL ARRANGEMENTS .................................................................................... 131.5 PROJECT APPROACH AND METHODOLOGY ....................................................................................................... 14

    1.5.1 Methodology .............................................................................................................................................. 141.5.2 Steps in the assessment process ................................................................................................................. 15

    2 OVERVIEW OF THE PROPOSED HYDROPOWER PLAN......................................................................... 162.1 THE QUANG NAM HYDROPOWER PLAN ........................................................................................................... 162.2 ENERGY PLANNING AND THE VU GIA THU BON RIVER BASIN ..................................................................... 162.3 THE VU GIA THU BON RIVER BASIN ........................................................................................................... 172.4 LARGE PROJECT CASCADE PLANNING FOR THE VU GIA - THU BN RIVER BASIN ............................................ 182.5 SMALL AND MEDIUM-SIZED HYDROPOWER PLANNING .................................................................................... 20

    3 ENVIRONMENTAL, ECONOMIC AND SOCIAL ISSUES ADDRESSED IN THIS SEA PROCESS ...... 223.1 ISSUES OF RELEVANCE TO DEVELOPMENT OF THE VU GIA THU BON RIVER BASIN ......................................... 223.2 KEY THEMES OR ISSUES ADDRESSED BY THE SEA .......................................................................................... 24

    4 PAST TRENDS AND CURRENT SITUATION IN KEY ISSUES FOR DEVELOPMENT OF THE RIVER BASIN ............................................................................................................................................................... 26

    4.1 ISSUE: CLIMATE SITUATION WITH EMPHASIS ON RAINFALL .......................................................................... 264.2 ISSUE DRY SEASON MINIMAL FLOWS AND EFFECT ON SALINITY INTRUSION ................................................. 274.3 ISSUE FLOODING AND MAXIMUM FLOWS ...................................................................................................... 294.4 ISSUE SEDIMENT TRANSPORT AND SAND EXCAVATION ................................................................................ 324.5 ISSUE AQUATIC BIODIVERSITY AND FISHERIES ............................................................................................. 344.6 ISSUE FOREST MANAGEMENT AND TERRESTRIAL BIODIVERSITY .................................................................. 36

    4.6.1 Special Use Forest (Protected Areas) in the central Truong Son. ............................................................. 374.6.2 Forest management: Protection and production forests ........................................................................... 414.6.3 Forest management: connectivity .............................................................................................................. 424.6.4 Terrestrial biodiversity .............................................................................................................................. 43

    4.7 ISSUE DEMOGRAPHY AND MIGRATION ......................................................................................................... 444.7.1 Rural-urban migration and urbanization .................................................................................................. 444.7.2 Lowland-upland migration ........................................................................................................................ 47

    4.8 ISSUE ETHNIC MINORITIES AND THEIR LIVELIHOODS .................................................................................... 494.9 ISSUE PUBLIC HEALTH IN AFFECTED COMMUNITIES ..................................................................................... 51

    4.9.1 Health problems in affected communities .................................................................................................. 514.9.2 Health amenities in upland areas .............................................................................................................. 52

    4.10 ISSUE TRANSPORT ........................................................................................................................................ 534.10.1 Road Transport ..................................................................................................................................... 534.10.2 Waterway Transport .............................................................................................................................. 53

    4.11 ISSUE AGRICULTURE AND IRRIGATION ......................................................................................................... 534.11.1 System Management Issues ................................................................................................................... 554.11.2 Water Demand Issues ............................................................................................................................ 55

  • Final SEA Report ADB, MONRE, EVN, MOIT, Quang Nam DONRE

    ICEM SEA of the hydropower plan in Quang Nam Province January 2008

    2

    4.11.3 Water Yield and Quality Issues ............................................................................................................. 564.12 ISSUE INDUSTRIAL DEVELOPMENT ............................................................................................................... 564.13 ISSUE TOURISM DEVELOPMENT IN THE BASIN .............................................................................................. 574.14 ISSUE MINING .............................................................................................................................................. 58

    4.14.1 Overview ............................................................................................................................................... 584.14.2 Past trends and current situation .......................................................................................................... 594.14.3 Institutional arrangements .................................................................................................................... 604.14.4 Key issues relating to mining identified by local government experts