(REF. 113-03)

 

TABLE OF CONTENT

1......... Introduction............................................................................................................ 1-1

1.1        Project Background........................................................................................... 1-1

1.2        The Assignment................................................................................................. 1-1

1.3        EIA Study Brief.................................................................................................. 1-1

1.4        Revised Recommended Outline Development Plan.............................................. 1-2

1.5        Designated Projects.......................................................................................... 1-4

1.6        Structure of the EIA Report................................................................................ 1-9

2......... PROJECT DESCRIPTION AND CONSIDERATION OF ALTERNATIVES........................... 2-1

2.1        Site Location and History................................................................................... 2-1

2.2        Need for the Project........................................................................................... 2-2

2.3        Appreciation of Existing Environment................................................................. 2-3

2.4        Description of the Project (Revised RODP)......................................................... 2-8

2.5        Project Benefits and Green Initiatives................................................................ 2-25

2.6        Formulation of the Revised Recommended Outline Development Plan................ 2-31

2.7        Public Views.................................................................................................... 2-31

2.8        Planning Principles........................................................................................... 2-47

2.9        Major Amendments from RODP to Revised RODP............................................ 2-50

2.10      Consideration of Alternatives and Development of the Preferred Option............. 2-52

2.11      Development Programme for Project................................................................ 2-63

2.12      Concurrent Projects.......................................................................................... 2-66

3......... AIR QUALITY IMPACT................................................................................................... 3-1

3.1        Introduction....................................................................................................... 3-1

3.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 3-2

3.3        Baseline Conditions........................................................................................... 3-3

3.4        Identification of Air Sensitive Receivers............................................................. 3-10

3.5        Identification of Pollutant Sources.................................................................... 3-26

3.6        Assessment Approach and Methodology (Construction Phase Dust Impact)....... 3-32

3.7        Assessment Approach and Methodology (Operation Phase Air Quality Impact)... 3-39

3.8        Assessment Approach and Methodology (Operational Phase Odour Impact)...... 3-49

3.9        Prediction and Evaluation of Environmental Impacts.......................................... 3-55

3.10      Mitigation of Adverse Environmental Impacts.................................................... 3-74

3.11      Evaluation of Residual Environmental Impacts................................................... 3-89

3.12      Environmental Monitoring and Audit.................................................................. 3-90

3.13      Environmental Acceptability of Schedule 2 Designated Projects......................... 3-91

3.14      Conclusion...................................................................................................... 3-91

4......... NOISE IMPACTS........................................................................................................... 4-1

4.1        Introduction....................................................................................................... 4-1

4.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 4-1

4.3        Baseline Conditions........................................................................................... 4-6

4.4        Noise Sensitive Receivers.................................................................................. 4-7

4.5        Identification of Pollutant Sources.................................................................... 4-21

4.6        Construction Noise Impact Assessment............................................................ 4-24

4.7        Traffic Noise Impact Assessment...................................................................... 4-38

4.8        Rail Noise Assessment..................................................................................... 4-57

4.9        Fixed Plant Noise Assessment......................................................................... 4-68

4.10      Helicopter Noise Impact Assessment................................................................ 4-78

4.11      Environmental Acceptability of Schedule 2 Designated Projects......................... 4-79

4.12      Conclusion...................................................................................................... 4-80

5......... WATER QUALITY IMPACTS.......................................................................................... 5-1

5.1        Introduction....................................................................................................... 5-1

5.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 5-1

5.3        Water Sensitive Receivers for the Project............................................................ 5-8

5.4        Water Sensitive Receivers for Sewage Pumping Stations (DP9)......................... 5-16

5.5        Baseline Conditions íV River Water Quality in Deep Bay WCZ.............................. 5-16

5.6        Baseline Conditions íV River Water Quality in North Western WCZ........................ 5-22

5.7        Baseline Conditions íV Marine Water Quality in Deep Bay WCZ............................ 5-25

5.8        Baseline Conditions íV Marine Water Quality in North Western Water.................... 5-25

5.9        Assessment Approach and Methodology.......................................................... 5-29

5.10      Identification and Evaluation of Environmental Impacts íV Construction Phase..... 5-29

5.11      Identification and Evaluation of Environmental Impacts íV Operational Phase....... 5-38

5.12      Cumulative Impacts from Concurrent Projects.................................................... 5-55

5.13      Mitigation Measures íV Construction Phase........................................................ 5-56

5.14      Mitigation Measures íV Operational Phase.......................................................... 5-64

5.15      Evaluation of Residual Environmental Impacts................................................... 5-68

5.16      EM&A Requirements........................................................................................ 5-69

5.17      Environmental Acceptability of Schedule 2 Designated Projects......................... 5-69

5.18      Conclusion...................................................................................................... 5-70

6......... SEWERAGE AND SEWAGE TREATMENT IMPLICATION............................................... 6-1

6.1        Introduction....................................................................................................... 6-1

6.2        Population and Employment Data...................................................................... 6-1

6.3        Existing and Planned Sewerage Infrastructures.................................................... 6-3

6.4        Design Criteria................................................................................................... 6-4

6.5        Estimation of Sewage Flow................................................................................ 6-7

6.6        Implementation of HSK STW.............................................................................. 6-8

6.7        Sewerage Impact............................................................................................. 6-10

6.8        Implementation of Proposed Sewerage Works in HSK NDA............................... 6-12

6.9        Cumulative Impact from Concurrent Project....................................................... 6-13

6.10      Environmental Acceptability of Schedule 2 Designated Projects......................... 6-13

6.11      Summary......................................................................................................... 6-14

7......... WASTE MANAGEMENT IMPLICATIONS........................................................................ 7-1

7.1        Introduction....................................................................................................... 7-1

7.2        Environmental Legislation, Standards and Guidelines.......................................... 7-1

7.3        Description of the Environment.......................................................................... 7-4

7.4        Assessment Methodology.................................................................................. 7-4

7.5        Identification and Evaluation of Waste Management Implications......................... 7-5

7.6        Mitigation of Adverse Waste Management Implications...................................... 7-23

7.7        Evaluation of Residual Environmental Impacts................................................... 7-28

7.8        Environmental Acceptability of the Schedule 2 Designated Projects................... 7-28

7.9        Cumulative Impacts from Concurrent Project..................................................... 7-28

7.10      Conclusion...................................................................................................... 7-28

8......... LAND CONTAMINATION IMPACT.................................................................................. 8-1

8.1        Introduction....................................................................................................... 8-1

8.2        Environmental Guidelines, Policies, Plans, Standards and Criteria........................ 8-1

8.3        Assessment Approach and Methodology............................................................ 8-1

8.4        Description of the Project and Assessment Area................................................. 8-2

8.5        Baseline Conditions........................................................................................... 8-3

8.6        Identification of Potentially Contaminated Sites................................................... 8-7

8.7        Site Investigation Plan...................................................................................... 8-10

8.8        Evaluation of Land Contamination Impacts........................................................ 8-13

8.9        Recommendation of Further Works................................................................... 8-14

8.10      Evaluation of Residual Impacts......................................................................... 8-15

8.11      Environmental Acceptability of Schedule 2 Designated Projects......................... 8-15

8.12      Conclusion...................................................................................................... 8-15

9......... ECOLOGICAL IMPACT.................................................................................................. 9-1

9.1        Introduction....................................................................................................... 9-1

9.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 9-1

9.3        Assessment Approach and Methodology............................................................ 9-3

9.4        Baseline Conditions......................................................................................... 9-10

9.5        Identification and Evaluation of Environmental Impacts...................................... 9-65

9.6        Cumulative Impacts........................................................................................ 9-102

9.7        Mitigation Measures....................................................................................... 9-102

9.8        Potential Enhancement Recommended for Further Study................................. 9-107

9.9        Environmental Acceptability of the Schedule 2 Designated Projects................. 9-107

9.10      Evaluation of Residual Ecological Impacts...................................................... 9-110

9.11      EM&A Requirements...................................................................................... 9-111

9.12      Conclusion..................................................................................................... 9-111

9.13      References.................................................................................................... 9-113

10       FISHERIES IMPACT ............................................................................................................ 10-1

10.1      Introduction..................................................................................................... 10-1

10.2      Environmental Legislation, Policies, Plans, Standards and Criteria...................... 10-2

10.3      Assessment Approach and Methodology.......................................................... 10-2

10.4      Baseline Conditions......................................................................................... 10-3

10.5      Identification and Evaluation of Environmental Impacts...................................... 10-7

10.6      Cumulative Impacts from Concurrent Projects.................................................. 10-10

10.7      Mitigation Measures....................................................................................... 10-10

10.8      Environmental Acceptability of the Schedule 2 Designated Projects................. 10-12

10.9      Evaluation of Residual Environmental Impacts................................................. 10-12

10.10    Conclusion..................................................................................................... 10-12

10.11    References.................................................................................................... 10-12

11         LANDSCAPE AND VISUAL IMPACTS.......................................................................... 11-1

11.1      Introduction..................................................................................................... 11-1

11.2      Objective of the LVIA....................................................................................... 11-1

11.3      Environmental Legislation, Policies, Plans, Standards and Criteria...................... 11-1

11.4      Designated Projects under Schedule 2 within Project......................................... 11-3

11.5      Review of Proposed Planning and Urban Design for the Project......................... 11-3

11.6      Concurrent Projects.......................................................................................... 11-5

11.7      Landscape and Visual Impact Assessment Approach and Methodology............. 11-5

11.8      Baseline Landscape Conditions...................................................................... 11-12

11.9      Landscape Impact Assessment....................................................................... 11-85

11.10    Landscape and Visual Mitigation Measures in Construction and Operation Phases 11-137

11.11    Prediction of Significance of Landscape Impacts........................................... 11-143

11.12    Visual Impact Assessment............................................................................ 11-157

11.13    Cumulative Impacts from Concurrent Projects................................................ 11-219

11.14    Photomontages............................................................................................ 11-237

11.15    Conclusion................................................................................................... 11-239

11A      SCHEDULE 2 DP: PACKAGE A íV LANDSCAPE AND VISUAL IMPACTS....................... 11-1

11.1A    Introduction..................................................................................................... 11-1

11.2A    Designated Projects under Schedule 2 within NDA Project................................. 11-1

11.3A    Concurrent Projects.......................................................................................... 11-4

11.4A    Baseline Landscape Conditions........................................................................ 11-5

11.5A    Landscape Impact Assessment....................................................................... 11-60

11.6A    Landscape and Visual Mitigation Measures in Construction and Operation Phases 11-93

11.7A    Prediction of Significance of Landscape Impacts............................................ 11-98

11.8A    Visual Impact Assessment............................................................................ 11-111

11.9A    Cumulative Impacts from Concurrent Projects................................................ 11-135

11.10A  Photomontages............................................................................................ 11-142

11.11A  Conclusion................................................................................................... 11-146

11B      SCHEDULE 2 DP: PACKAGE B - LANDSCAPE AND VISUAL IMPACTS........................ 11-1

11.1B    Introduction..................................................................................................... 11-1

11.2B    Designated Projects under Schedule 2 within NDA Project................................. 11-1

11.3B    Concurrent Projects.......................................................................................... 11-1

11.4B    Baseline Landscape Conditions........................................................................ 11-2

11.5B    Landscape Impact Assessment....................................................................... 11-40

11.6B    Landscape and Visual Mitigation Measures in Construction and Operation Phases 11-56

11.7B    Prediction of Significance of Landscape Impacts............................................ 11-60

11.8B    Visual Impact Assessment.............................................................................. 11-67

11.9B    Cumulative Impacts from Concurrent Projects.................................................. 11-84

11.10B  Photomontages............................................................................................. 11-90

11.11B  Conclusion..................................................................................................... 11-92

12         Impact on Cultural Heritage............................................................................. 12-1

12.1      Introduction..................................................................................................... 12-1

12.2      Environmental Legislation, Policies, Plans, Standards and Criteria...................... 12-1

12.3      Assessment Approach and Methodology.......................................................... 12-2

12.4      Background Information................................................................................... 12-5

12.5      Baseline Conditions......................................................................................... 12-9

12.6      Archaeological Field Survey Results................................................................ 12-20

12.7      Cultural Heritage Impact Assessment............................................................... 12-22

12.8      Mitigation Measures....................................................................................... 12-24

12.9      Enhancement - Conservation Management Plan............................................... 12-36

12.10    Environmental Acceptability of the Schedule 2 Designated Projects................. 12-38

12.11    Residual Impacts............................................................................................ 12-39

12.12    Conclusion..................................................................................................... 12-39

12.13    References.................................................................................................... 12-40

13         Environmental Monitoring and Audit Requirements................................... 13-1

13.1      Project Organisation......................................................................................... 13-1

13.2      EM&A Manual.................................................................................................. 13-1

13.3      Project Implementation Schedule...................................................................... 13-2

13.4      EM&A Programme........................................................................................... 13-2

13.5      Summary of EM&A Requirements for Schedule 2 Designated Projects Subject to Environmental Permit Application...................................................................................................... 13-6

14         Summary of Environmental Outcomes............................................................ 14-1

14.1      Overview......................................................................................................... 14-1

14.2      Environmental Benefits of the Project............................................................... 14-1

14.3      Environmentally Friendly Options Considered and Incorporated in the Preferred Option    14-2

14.4      Environmental Design Recommended............................................................... 14-4

14.5      Key Environmental Problems Avoided and Environmentally Sensitive Areas Protected     14-7

14.6      Estimated Population Protected from Various Environmental Impacts................ 14-9

14.7      Environmental Benefits of the Project and Environmental Protection Measures Recommended     14-10

14.8      Compensation Areas and Enhancements Included........................................... 14-15

15         CONCLUSION............................................................................................................. 15-1