ENVIRONMENTAL IMPACT ASSESSMENT REPORT (FINAL)
January 2003										

1.	INTRODUCTION									
1.1	Description of the Project							
1.2	Enhancement Measures to Control Emergency Discharge				
1.3	Concurrent Projects								
1.4	Objectives of Environment Impact Assessment					
1.5	Purpose of this EIA Report							
1.6	Structure of this EIA Report							

2.	REVIEW OF CHEMICALS FOR CEPT AND POTENTIAL DISINFECTION OPTIONS			
2.1	Introduction									
2.2	Review of Chemicals for CEPT							
2.3	Review of Potential Disinfection Options and Their Implications for San Wai STW	
2.4	Conclusions									

3.	AIR QUALITY IMPACT								
3.1	Introduction									
3.2	Environmental Legislation, Policies, Plans, Standards and Criteria		
3.3	Description of the Environment							
3.4	Air Sensitive Receivers								
3.5	Enhancement Measures to Control Emergency Discharge				
3.6	Assessment Methodology								
3.7	Identification of Environmental Impacts						
3.8	Prediction and Evaluation of Environmental Impacts				
3.9	Mitigation of Adverse Environmental Impacts					
3.10	Evaluation of Residual Impacts							
3.11	Environmental Monitoring and Audit						
3.12	Conclusions									

4.	NOISE IMPACT									
4.1	Introduction									
4.2	Environmental Legislation, Policies, Plans, Standards and Criteria		
4.3	Description of the Environment							
4.4	Noise Sensitive Receivers							
4.5	Enhancement Measures to Control Emergency Discharge				
4.6	Assessment Methodology								
4.7	Identification of Environmental Impacts						
4.8	Prediction and Evaluation of Environmental Impacts				
4.9	Mitigation of Adverse Environmental Impacts					
4.10	Evaluation of Residual Impacts							
4.11	Environmental Monitoring and Audit						
4.12	Conclusions									

5.	WATER QUALITY IMPACT								
5.1	Introduction									
5.2	Environmental Legislation, Policies, Plans, Standards and Criteria		
5.3	Description of the Environment							
5.4	Water Sensitive Receivers							
5.5	Assessment Methodology								
5.6	Operational Phase Impact Assessment						
5.7	Identification of Environmental Impacts						
5.8	Prediction and Evaluation of Environmental Impacts and Mitigation Measures	
5.9	Evaluation of Residual Impacts							
5.10	Conclusions									

6.	WASTE MANAGEMENT IMPLICATIONS							
6.1	Introduction									
6.2	Environmental Legislation, Policies, Plans, Standards and Criteria		
6.3	Assessment Methodology								
6.4	Construction Waste Assessment							
6.5	Operational Waste Assessment							
6.6	Mitigation of Adverse Impacts							
6.7	Evaluation of Residual Impacts							
6.8	Conclusions									

7.	LAND CONTAMINATION IMPACT							
7.1	Introduction									
7.2	Environmental Legislation, Policies, Plans, Standards and Criteria		
7.3	Assessment Methodology								
7.4	Baseline Conditions								
7.5	Site History									
7.6	Site Inspection									
7.7	Prediction and Evaluation of Environmental Impacts				
7.8	Contamination Assessment Plan							
7.9	Conclusions									

8.	ECOLOGICAL IMPACT								
8.1	Introduction									
8.2	Legislation, Policies, Plans, Standards and Criteria				
8.3	Recognised Sites of Conservation Importance					
8.4	Assessment Methodology								
8.5	Baseline Conditions								
8.6	Evaluation of Habitats and Species						
8.7	Impact Identification and Assessment						
8.8	Mitigation Measures								
8.9	Cumulative Impacts								
8.10	Residual Impacts								
8.11	Additional Enhancement Measure							
8.12	Conclusion									
8.13	References									

9.	FISHERIES IMPACT								
9.1	Introduction									
9.2	Legislation, Policies, Plans, Standards and Criteria				
9.3	Methodology									
9.4	Baseline Conditions								
9.5	Fisheries Importance and Sensitive Receivers					
9.6	Impact Identification and Assessment						
9.7	Mitigation Measures								
9.8	Fisheries Monitoring and Audit							
9.9	Conclusion									
9.10	References									

10.	CULTURAL HERITAGE ASSESSMENT							
10.1	Introduction									
10.2	Legislation, Standards, Guidelines and Criteria					
10.3	Assessment Methodology								
10.4	Desktop Study									
10.5	Historic Buildings at San Sang Tsuen						
10.6	The Tseung Kong Wai Site							
10.7	The Tseung Kong Wai So Kwun Tsai Site						
10.8	Survey at Hau Tsz Shan, San Uk Tsuen and San Wai				
10.9	Assessment and Mitigation Measures						
10.10	Conclusion									
10.11	References									

11.	LANDSCAPE AND VISUAL IMPACT							
11.1	Legislation and Standards							
11.2	Assessment Methodology								
11.3	Review of Planning Development Control Framework				
11.4	Assessment Results for Ha Tsuen Pumping Station					
11.5	Assessment Results for San Wai Sewage Treatment Works				
11.6	Funding, implementation, management and maintenance				
11.7	Summary of Landscape Impacts							
11.8	Conclusions									

12.	ENVIRONMENTAL MONITORING AND AUDIT						

13.	SUMMARY OF ENVIRONMENTAL OUTCOME						
13.1	Air Quality Impact								
13.2	Noise Impact									
13.3	Water Quality Impact								
13.4	Waste Management Implications							
13.5	Land Contamination Impact							
13.6	Ecological Impact								
13.7	Fisheries Impact								
13.8	Cultural and Heritage Impact							
13.9	Landscape and Visual Impact							
13.10	Summary of Options Review							

APPENDICES

Appendix 2A	Review of Recent Studies and Trials on Chemicals for CEPT and Potential Disinfection Options
Appendix 3A	Details of Construction Phase Air Quality Assessment 
Appendix 3B	Details of Operational Phase Air Quality Assessment
Appendix 4A	Details of Construction Phase Noise Assessment
Appendix 4B	Details of Operational Phase Noise Assessment 
Appendix 5A	Pollution Loading Inventory
Appendix 6A	Construction and Demolition Materials Management Plan
Appendix 8	Details of Ecological Data
Appendix 12A	Implementation Schedule of Recommended Mitigation Measures

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