Drainage Services Department

 

Agreement No. CE 66/2001(EP)

 

EIA and TIA Studies for the Stage 2 of PWP Item No. 215DS -
Yuen Long and Kam Tin Sewerage and Sewage Disposal (YLKTSSD)

 

Environmental Impact Assessment (Final)

 

List of Figures and Appendices

 

Mar 2004

 

 

Ove Arup & Partners Hong Kong Ltd

In association with Archeological Assessment, Ecosystems and Urbis

Level 5, Festival Walk, 80 Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong

Tel +852 2528 3031  Fax +852 2268 3950

www.arup.com

 

Job number

23527


LIST OF FIGURES AND APPENDICES (IN PDF FILES ONLY)

 

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FIGURES (IN PDF FILES ONLY)

Figure 1.0                 General overview of the sewerage system in the North NT

Figure 1.0a                Works packages and work items under the Study

Figure 1.1, 1.1.1 to 1.1.9        Alignment - Lau Fau Shan (Alternative 2A-3T) & Tin Shui Wai Area (2A-1T)

Figure 1.2, 1.2.1 to 1.2.5        Alignment - Shap Pat Heung (2B-2T)

Figure 1.3, 1.3.1 to 1.3.8        Alignment – Ngau Tam Mei and San Tin Area (2A-2T and 2B-2T)

Figure 1.4, 1.4.1 to 1.4.6        Alignment – Yuen Long/San Wai (Conforming Scheme)

Figure 1.5                 Study Area and Interfacing Boundary of 2A-1T and 2A-3T

Figure 1.6                 Study Area and Interfacing Boundary of 2B-2T

Figure 1.7                 Study Area and Interfacing Boundary of 2A-2T and 2B-3T

Figure 1.8                 Study Area and Interfacing Boundary of 2A-1T (Conforming)

Figure 2.1                 Locations of Potential Sensitive Receivers Within the Hung Shui Kiu Development Plan

Figure 5.1                 Alternative Site for San Lung Tsuen SPS

Figure 6.1, 6.1.1 to 6.1.9        Locations of Air Sensitive Receivers (Lau Fau Shan)

Figure 6.2, 6.2.1 to 6.2.5        Locations of Air Sensitive Receivers (Shap Pat Heung)

Figure 6.3, 6.3.1 to 6.3.8        Locations of Air Sensitive Receivers (San Tin)

Figure 7.1                 Predicted Worst-case Odour Contour (OU) at 30m above Ground, with 99.5% Odour Removal Efficiency Filter (Yuen Long Effluent Pumping Station)

Figure 7.2 a to e          Predicted Worst-case Odour Contour (OU) at 20m above Ground, with 99.5% Odour Removal Efficiency Filter (Ngau Tam Mei/San Tin Trunk Sewerage)

Figure 7.3a                Predicted Worst-case Odour Contour (OU) at 20m above Ground, with 95% Odour Removal Efficiency Filter (Mong Tsuen Tsuen PS)

Figure 7.3b               Predicted Worst-case Odour Contour (OU) at 20m above Ground, with 95% Odour Removal Efficiency Filter (Lau Fau Shan PS)

Figure 7.4 a to g          Predicted Worst-case Odour Contour (OU) at 15m above Ground, with 95% Odour Removal Efficiency Filter (Yuen Long South Branch Sewer)

Figure 8.1, 8.1.1 to 8.1.9        Locations of Noise Sensitive Receivers (Lau Fau Shan)

Figure 8.2, 8.2.1 to 8.2.5        Locations of Noise Sensitive Receivers (Shap Pat Heung)

Figure 8.3, 8.3.1 to 8.3.8        Locations of Noise Sensitive Receivers (San Tin)

Figure 10.1.1 to 10.1.3  Locations of EPD Routine River Quality Monitoring Stations

Figure 10.2               Locations of EPD Water Quality Monitoring Stations and Sewage Treatment Works Outfalls

Figure 10.3, 10.3.1 to 10.3.9   Locations of Water Sensitive Receivers (Lau Fau Shan)

Figure 10.4               Locations of Water Sensitive Receivers (Shap Pat Heung)

Figure 10.5, 10.5.1 to 10.5.8   Locations of Water Sensitive Receivers (San Tin)

Figure 10.6               Locations of Marine Sensitive Receivers

Figure 12.1               Demarcation of Steps Undertaken As Part of A Detail Contaminated Land Assessment

Figure 12.2               Potential Land Contaminated Sites at Yuen Long South – Map 1

Figure 12.3               Potential Land Contaminated Sites at Yuen Long South – Map 2

Figure 12.4               Potential Land Contaminated Sites at Yuen Long South – Map 3

Figure 12.5               Potential Land Contaminated Sites at Yuen Long South – Map 4

Figure 12.6               Potential Land Contaminated Sites at Lau Fau Shan/Mong Tseung –Map 1

Figure 12.7               Potential Land Contaminated Sites at Lau Fau Shan/Mong Tseung –Map 2

Figure 12.8               Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 1

Figure 12.9               Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 2

Figure 12.10              Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 3

Figure 12.11              Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 4

Figure 12.12              Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 5

Figure 12.13              Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 6

Figure 12.14              Potential Land Contaminated Sites at Ngau Tam Mei/San Tin–Map 7

Figure 13.1               Ecological Features Within or in the Vicinity of the Study Area

Figure 13.2               Habitat Map

Figure 13.3               Photos of Various Habitats Record within the Study Area

Figure 13.4               Proposed Pumping Stations (on Urbanised/Disturbed/Wasteland/Cultivated Land)

Figure 13.5               Recommendations for Various Works Package

Fig 14.1                   Location Plan for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.1.1                 Location Plan for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.1.2                 Location Plan for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.1.3                 Location Plan for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.1.4                 Designated and Non-designated Items

Fig 14.2                   Extent of Works for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.3                   Extent of Works for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.4                   Extent of Works for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.5                   Extent of Works for Area C, Package 2B - 2T (Yuen Long South Branch)

Fig 14.6                   Extract from Outline Zoning Plan for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.7                   Extract from Outline Zoning Plan for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.8                   Extract from Outline Zoning Plan for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.9                   Extract from Outline Zoning Plan for Package 2B - 2T Yuen Long South Branch Sewers Fig

14.10                      Baseline Landscape Resources for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.10.1               Baseline Landscape Resources for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.11                 Baseline Landscape Resources for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.11.1               Baseline Landscape Resources for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.11.2               Baseline Landscape Resources for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.11.3               Baseline Landscape Resources for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.12                 Baseline Landscape Resources for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.12.1               Baseline Landscape Resources for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.12.2               Baseline Landscape Resources for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.12.3               Baseline Landscape Resources for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.13                 Baseline Landscape Resources for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.13.1               Baseline Landscape Resources for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.14                 Landscape Character Areas for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.15                 Landscape Character Areas for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.16                 Landscape Character Areas for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.17                 Landscape Character Areas for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.18                 Photographic Record of Landscape Resources for Package 2A Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.19                 Photographic Record of Visually Sensitive Receivers for Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.20                 Photographic Record of Landscape Resources for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.21                 Photographic Record of Visually Sensitive Receivers for Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.22                 Photographic Record of Landscape Resources for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.23                 Photographic Record of Visually Sensitive Receivers for Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.24                 Photographic Record of Landscape Resources for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.25                 Photographic Record of Visually Sensitive Receivers for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.25.1               Photographic Record of Visually Sensitive Receivers for Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.26                 Visual Envelope - Construction Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.27                 Visual Envelope - Operational Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.28                 Visual Envelope - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.29                 Visual Envelope - Operational Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.30                 Visual Envelope - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.31                 Visual Envelope - Operational Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.32                 Visual Envelope - Construction Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.33                 Visual Envelope - Operational Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.34                 Landscape Mitigation Measures - Type 2 Pumping Station (eg.Mong Tseng Tsuen Pumping Station)

Fig 14.35                 Landscape Mitigation Measures - Type 5 Pumping Station (eg.Yuen Long Pumping Station)

Fig 14.36                 Landscape Mitigation Measures - Type 5 Pumping Station (eg. Tam Mei Camp Pumping Station)

Fig 14.37                 Landscape Mitigation Measures - Type 2 Pumping Station (eg. Pak Sha Tsuen Pumping Station)

Fig 14.37.1               Landscape Mitigation Measures - Ngau Tam Mei Pumping Station

Fig 14.37.2               Landscape Mitigation Measures - Compensation for Loss of Plantings at YLEPS

Fig 14.38                 Residual Landscape Resource Impacts - Construction Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.38.1               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.39                 Residual Landscape Resource Impacts - Operation Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.39.1               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.40                 Residual Landscape Resource Impacts - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.40.1               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.40.2               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.40.3               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.41                 Residual Landscape Resource Impacts - Operation Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.41.1               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.41.2               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.41.3               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.42                 Residual Landscape Resource Impacts - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.42.1               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.42.2               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai trunk Sewerage Phase 1 & 2

Fig 14.42.3               Residual Landscape Resource Impacts - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.43                 Residual Landscape Resource Impacts - Operation Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.43.1               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.43.2               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.43.3               Residual Landscape Resource Impacts - Operation Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.44                 Residual Landscape Resource Impacts - Construction Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.44.1               Residual Landscape Resource Impacts - Construction Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.45                 Residual Landscape Resource Impacts - Operation Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.45.1               Residual Landscape Resource Impacts - Operation Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.46                 Residual Landscape Character Impacts - Construction Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.47                 Residual Landscape Character Impacts - Operation Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.48                 Residual Landscape Character Impacts - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14 49                 Residual Landscape Character Impacts - Operation Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.50                 Residual Landscape Character Impacts - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.51                 Residual Landscape Character Impacts - Operation Phase, Package 2A - 2T Ngau Tam Mei / San Wai Trunk Sewerage Phase 1 & 2

Fig 14.52                 Residual Landscape Character Impacts - Construction Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.53                 Residual Landscape Character Impacts - Operation Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.54                  Residual Visual Impacts - Construction Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.55                 Residual Visual Impacts - Operation Phase, Package 2A - 3T Lau Fau Shan / Mong Tseng Trunk Sewerage

Fig 14.56                 Residual Visual Impacts - Construction Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.57                 Residual Visual Impacts - Operation Phase, Package 2A - 1T Yuen Long Effluent Pipeline

Fig 14.58                 Residual Visual Impacts - Construction Phase, Package 2A - 2T Ngau Tam Mei / San Wai trunk Sewerage Phase 1 & 2

Fig 14.59                 Residual Visual Impacts - Operation Phase, Package 2A - 2T Ngau Tam Mei / San Wai trunk Sewerage Phase 1 & 2

Fig 14.60                 Residual Visual Impacts - Construction Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.61                 Residual Visual Impacts - Operation Phase, Package 2B - 2T Yuen Long South Branch Sewers

Fig 14.62                 Photomontage - Mong Tseng Tsuen Pumping Station

Fig 14.63                 Photomontage - Yuen Long Pumping Station

Fig 14.64                 Photomontage - Tam Mei Camp Pumping Station

Fig 14.65                 Photomontage - Pak Sha Tsuen Pumping Station

Fig 14.66                 Photomontage - Ngau Tam Mei Pumping Station

Fig 14.67                 Schematic Plan View of Yuen Long Effluent Pumping Station

Figure 15.1               Aerial photograph. San Tin 2001 (GEO CN30028)

Figure 15.2               Aerial photograph. Shap Pat Heung 1963 (GEO Y09481)

Figure 15.3               Aerial photograph. Shap Pat Heung 2002 (GEO CW41000)

Figure 15.4               Recorded resources in San Hing Tsuen

Figure 15.5 –15.7        Recorded resources near Sha Kong Wai

Figure 15.8               Recorded resources in Mong Tseng Tsuen

Figure 15.9               Recorded resources in San Tin

Figure 15.10              Recorded resources in Mai Po Tsuen

Figure 15.11              Recorded resources in Yau Tam Mei Tsuen

Figure 15.12              Recorded resources in Shan Ha Tsuen

Figure 15.13              Recorded resources in Tin Liu Tsuen

Figure 15.14              Recorded resources in Muk Kui Tau Tsuen

Figure 15.15              Recorded resources in Pak Sha Tsuen

Figure 15.16              Recorded resources in Tai Tong Tsuen

Figure 15.17              Recorded resources in Wong Nai Tun Tsuen

Figure 15.18              Recorded resources in Shui Tsiu San Tsuen

Figure 15.19              Recorded resources near Shui Tsiu San Tsuen

Figure 15.20              Recorded resources in Sham Chung Tsuen

Figure 15.21              Recorded resources in Shui Tsui Lo Wai and Hung Tso Tin

Figure 15.22              Recorded resources in Cheng Chun Wai

Figure 15.23              Recorded resources in Nam Hang Tsuen

Figure 15.24              Recorded resources in Tong Tau Po Tsuen

Figure 15.25              Recorded resources on Tai Shu Ha Road East

Figure 15.26 to 15.31   Recorded resources in Shung Ching Sang Tsuen

Figure 15.32              Recorded resources in Tau Tseng Wai and Shing Uk Tsuen

Figure 15.33              Recorded resources in Ng Uk Tsuen

Figure 15.34 & 15.35    Buddhist Blessing Stones on Castle Peak Road (San Tin)

Figure 15.36              Buddhist Blessing Stones on Castle Peak Road (Mai Po)

Figure 15.37              Recorded Graves near Mong Tseng Tsuen

Figure 15.38              Recorded Graves in San Tin Park

Figure 15.39 to 15.42   Recorded Graves on Ka Lung Road

Figure 15.43              Map showing the auger test and test pit excavation locations at Wang Chau

Figure 15.44              Map showing the auger test locations at Mong Tseng Tsuen SPS

Figure 15.45              Map showing the identified area for pre-testing at the sewer alignment north of Tung Tau Tsuen

Figure 15.46              Map showing the auger test and test pit locations at Shan Ha Tsuen SPS

Figure 15.47              Map showing the auger test and test pit excavation locations at Shung Ching San Tsuen SPS along Tai Tong Road

Figure 15.48              Map showing the identified area for archaeological monitoring at the sewer alignment from YLEPS to Wang Chau

 

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APPENDICES (IN PDF FILES ONLY)

Appendix 5.1             Consideration on Alternative Pumping Station Locations for YLEPS

Appendix 6.1             Representative ASRs for Construction Dust Review

Appendix 7.1             Specification of the Odour Removal System for the DSD Yuen Long South SPS

Appendix 7.2             Representative ASRs for Odour Assessment

Appendix 7.3             Odour Emission Rate Calculation

Appendix 7.4             Odour Assessment Results

Appendix 8.1             PME Sound Power Levels

Appendix 8.2             SWL of the Construction Plant Inventory with Mitigation Measures

Appendix 8.3             Detailed Noise Calculation

Appendix 8.4             Detailed Noise Assessment for San Lung Tsuen

Appendix 8.5             Proposed PME Locations at Open Area of San Lung Tsuen (S6), Packages 2A-2T & 2B-1T

Appendix 10.1            Summary of WQOs for the Deep Bay Water Control Zone (DBWCZ)

Appendix 10.2            Summary of WQOs for the North Western Water Control Zone (NWWCZ)

Appendix 10.3            The effluents discharge limits for the DBWCZ

Appendix 10.4            The effluents discharge limits for the NWWCZ

Appendix 13.1a           Rare plant species previously recorded by Xing et al. (2000) and Siu (2000) within or in the vicinity of the Study Area

Appendix 13.1b           Plant species recorded within the study area during the surveys for the current study

Appendix 13.2            Bird Communities at Selected Habitats within the Study Area

Appendix 13.3            Bird species and their abundance recorded within the Study Area during quantitative surveys

Appendix 13.4            Bird species recorded within the Study Area

Appendix 13.5            Amphibian species recorded within the Study Area in previous surveys

Appendix 13.6            Dragonfly species recorded within the Study Area in previous surveys

Appendix 13.7            Dragonfly species recorded within the Study Area

Appendix 13.8            Butterfly species recorded within the Study Area

Appendix 13.9            Butterfly species recorded between sampling points within the Study Area

Appendix 15.1            Built Resources Catalogue

Appendix 15.2            Buddhist Blessing Stones Record

Appendix 15.3            Grave Catalogue

Appendix 15.4            Test Pit Photographs, Sections and Finds (III)

Appendix 15.5            Test Pit Excavation and Section Drawings (II)

Appendix 15.6            Auger hole Testing Results and Test Pit Excavation Results (IV & V)

Appendix 17.1            Implementation Schedule

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