Environmental Impact Assessment

Proposed Low-rise and Low-density Residential Development

At Various Lots and their Adjoining Government Land

in D.D. 104, East of Kam Pok Road,

Mai Po, Yuen Long, N.T.

 

(Volume I – Main Text)

Final Report

 

 

 

Prepared for:

Glory Queen Limited

 

 

Prepared by

Ramboll Environ Hong Kong Limited

 

In association with

ADI Limited

AECOM

China Point Consultants Ltd.

CKM Asia Limited

Ecosystems Ltd.

MCAAL

Vision Planning Consultants Ltd.

Westwood Hong and Associates Ltd.

 

 

 

Date:

August 2016

Reference Number:

R2057_V6.F


 

Main Text

Main Text

 


List of Figures

 

Figure 1-1              Project Location Plan

Figure 1-2              Locations of Approved EIA Projects and Adjacent Planned Development Sites

Figure 2-1              Master Layout Plan for the Proposed Development and the Environs

Figure 2-2              The Project Site and its Surroundings

Figure 2-3              Previous Planning Application at the Project Site

Figure 2-4              Initial Layout Just Meeting the Planning Intention of the Project Site

Figure 2-5              Alternative Layout Option A –Approved Scheme Under A/YL-MP/170

Figure 2-6              Alternative Layout Option B

Figure 2-7              Layout Option B : Recommended Layout Option (same as Figure 2-1)

Figure 3-1              Location of Air Sensitive Receivers

Figure 3-2              Representative ASRs Selected for Construction Phase Air Quality Assessment

Figure 3-3              Contour Plot of Unmitigated Maximum Hourly TSP at Worst Hit Level at 6.0mPD

Figure 3-4              Contour Plot of Unmitigated 10th Highest Daily Average RSP at Worst Hit Level at 6.3mPD

Figure 3-5              Contour Plot of Unmitigated Annual Average RSP at Worst Hit Level at 6.3mPD

Figure 3-6              Contour Plot of Unmitigated 10th Highest Daily Average FSP at Worst Hit Level at 6.3mPD

Figure 3-7              Contour Plot of Unmitigated Annual Average FSP at Worst Hit Level at 6.3mPD

Figure 3-8              Contour Plot of Mitigated Maximum Hourly TSP at Worst Hit Level at 6.0mPD

Figure 3-9              Contour Plot of Mitigated 10th Highest Daily Average RSP at Worst Hit Level at 6.0mPD

Figure 3-10            Contour Plot of Mitigated Annual Average RSP at Worst Hit Level at 6.3mPD

Figure 3-11            Contour Plot of Mitigated 10th Highest Daily Average FSP at Worst Hit Level at 6.0mPD

Figure 3-12            Contour Plot of Mitigated Annual Average FSP at Worst Hit Level at 6.3mPD

Figure 4-2A           Existing and Planned NSRs for Construction Phase Impact Assessment

Figure 4-2B           Photographs of Existing NSRs Selected for Construction Noise Assessment

Figure 4-2C           Photographs of Existing NSRs Selected for Construction Noise Assessment

Figure 4-3A           Location of Temporary Fixed Noise Barrier During Concurrent Construction with the Approved Cycle Track Project and Approved Public Sewerage Project

Figure 4-3B           Cross Sectional Diagram of Proposed Temporary Fixed Construction Noise Barrier

Figure 4-4              Industrial Lots in the Vicinity

Figure 4-5              Noise Measurement Locations

Figure 4-6              Computer Plot of Road Scheme (With Year 2033 Traffic Forecast)

Figure 4-7              Predicted Faηade Noise Levels

Figure 4-8              Noise Mitigation Measures Required for Fixed Noise Sources

Figure 4-9              Proposed Operational Phase Noise Mitigation Measures

Figure 4-10A          Sound Power Level of Fan Keung Kee

Figure 4-10B          Sound Power Level of Shing Fat Logistic Ltd.

Figure 4-11A          Notional source position of Fan Keung Kee

Figure 4-11B          Notional source position of Shing Fat Logistic Ltd

Figure 4-12            Location of Pumping Station and NSRs

Figure 4-13            NSR 60 and Temporary Sewage Treatment Plant Room

Figure 5-1A           Locations of Kam Tin River, Mai Po Nature Reserve and Inner Deep Bay Further Downstream of Project Site

Figure 5-1              Baseline Water Quality Sampling Locations in Year 2009 and Locations of Existing WSRs

Figure 5-2              Additional Baseline Water Quality Sampling Locations Between September 2012 and January 2013, and Between August 2013 and September 2013; and Between March 2015 and April 2015

Figure 5-3              Conceptual Construction Phase Site Drainage

Figure 5-4              Conceptual Operational Phase Site Drainage

Figure 6-1              Existing and Proposed Sewerage Facilities

Figure 6-2              Proposed Sewer Connection for Permanent Stage (With Sewage Pumping Station)

Figure 6-3              Proposed Sewer Connection for Interim Stage (With Sewage Treatment Plant)

Figure 6-4              Process Flow Diagram for the Interim STP

Figure 6-5              Envisaged Arrangement of Water Extraction Facility

Figure 8-1              Recognised Sites of Conservation Importance

Figure 8-2              Survey Transects and Vantage Points           

Figure 8-3              Habitat map and Locations of Species of Conservation Importance, Kam Pok

Figure 8-4              Photos of Habitats

Figure 9-1              Map Showing the Locations of Fishponds within the Project Area and Assessment Area

Figure 9-2              Photos of Fishponds in the Assessment Area

Figure 11-1            Review of Planning and Development Control Framework

Figure 11-2            Landscape Resources

Figure 11-3-1         Photographs of Landscape Resources – Sheet 1 of 7

Figure 11-3-2         Photographs of Landscape Resources – Sheet 2 of 7

Figure 11-3-3         Photographs of Landscape Resources – Sheet 3 of 7

Figure 11-3-4         Photographs of Landscape Resources – Sheet 4 of 7

Figure 11-3-5         Photographs of Landscape Resources – Sheet 5 of 7

Figure 11-3-6         Photographs of Landscape Resources – Sheet 6 of 7

Figure 11-3-7         Photographs of Landscape Resources – Sheet 7 of 7

Figure 11-3-8         Not use

Figure 11-4            Landscape Character Area

Figure 11-5-1         Photographs of Landscape Character Areas – Sheet 1 of 2

Figure 11-5-2         Photographs of Landscape Character Areas – Sheet 2 of 2

Figure 11-6            Visual Envelope and Zone of Visual Influence

Figure 11-7-1         Visual Context of Visual Sensitive Receivers 1 of 4

Figure 11-7-2         Visual Context of Visual Sensitive Receivers 2 of 4

Figure 11-7-3         Visual Context of Visual Sensitive Receivers 3 of 4

Figure 11-7-4         Visual Context of Visual Sensitive Receivers 4 of 4

Figure 11-8            Impact on Landscape Resources

Figure 11-9            Impact on Landscape Character Areas

Figure 11-10          Visual Impacts

Figure 11-11-1       Recommended Landscape Mitigation Measures – Landscape Master Plan

Figure 11-11-2       Recommended Landscape Mitigation Measures – Sections

Figure 11-11-3       Recommended Landscape Mitigation Measures – Design of Landscape Berms

Figure 11-11-4       Recommended Landscape Mitigation Measures – Design of Landscape Berms

Figure 11-11-5       Recommended Landscape Mitigation Measures – Design of Landscape Berms

Figure 11-11-6       Recommended Landscape Enhancement – Provision of Landscape Pond

Figure 11-12-1       Photomontages – Vantage Point A

Figure 11-12-2       Photomontages – Vantage Point A

Figure 11-12-3       Photomontages – Vantage Point B

Figure 11-12-4       Photomontages – Vantage Point B

Figure 11-12-5       Photomontages – Vantage Point C

Figure 11-12-6       Photomontages – Vantage Point C

Figure 11-12-7       Photomontages – Vantage Point D

Figure 11-12-8       Photomontages – Vantage Point D

Figure 11-12-9       Photomontages – Vantage Point E

Figure 11-12-10      Photomontages – Vantage Point E

Figure 11-12-11      Photomontages – Vantage Point F

Figure 11-12-12      Photomontages – Vantage Point F

Figure 11-12-13      Photomontages – Vantage Point G

Figure 11-12-14      Photomontages – Vantage Point G

Figure 11-12-15      Photomontages – Vantage Point H

Figure 11-12-16      Photomontages – Vantage Point H

Figure 11-12-17      Photomontages – Vantage Point I

Figure 11-12-18      Photomontages – Vantage Point I

 


List of Appendices

 

Appendix 1-1      Proposed Project Implementation programme

Appendix 1-2      Original Project Implementation Programme

Appendix 3-1A    Construction Programme of the Adjacent Planned Development Projects

Appendix 3-1B    Background Contribution from the PATH Output File

Appendix 3-2    Calculation of Hourly TSP Emission Rates of this Project

Appendix 3-3    Calculation of Daily and Annual RSP Emission Rates of this Project

Appendix 3-4    Summary Table of TSP Assessment Results (Unmitigated Scenario)

Appendix 3-5    Summary Table of RSP and FSP Assessment Results (Unmitigated Scenario)

Appendix 3-6    Summary Table of TSP Assessment Results (Mitigated Scenario)

Appendix 3-7    Summary Table of RSP and FSP Assessment Results (Mitigated Scenario)

Appendix 3-8    Construction Approach During Site Formation Stage

Appendix 3-9    Calculation of Dust Suppression Efficiency

Appendix 3-10     RSP / TSP, and FSP / RSP Ratios

Appendix 3-11     Sensitivity Test on Cumulative Construction Phase TSP, RSP and FSP Levels with “Yau Mei Site” Project

Appendix 3-11A  Sensitivity Test on Cumulative Construction Phase TSP, RSP and FSP Levels with “Yau Mei Site” and “REC Site” Projects

Appendix 3-12     Sensitivity Test of Vehicular Emissions Due to Traffic Generated by this Project

Appendix 4-1      Site Photos of Industrial Noise Survey

Appendix 4-2      Traffic Forecast Endorsement Letter

Appendix 4-3      Road Noise Prediction Results

Appendix 4-4      Industrial Noise Calculation (Based on Field Survey)

Appendix 4-5      Industrial Noise Calculation at Nearby Existing Village Houses (Worst Case Scenario)

Appendix 4-6      Industrial Noise Calculations (Worst Case Scenario, Daytime)

Appendix 4-7      Industrial Noise Calculations (Worst Case Scenario, Night-time)

Appendix 4-7A    Cumulative Industrial Noise Calculation

Appendix 4-8      Calculation of Construction Noise Impact Assessment (Unmitigated Scenario)

Appendix 4-9      Calculation of Construction Noise Impact Assessment (Mitigated Scenario with QPMEs and Movable Noise Barriers)

Appendix 4-9A    Calculation of Construction Noise Impact Assessment (Mitigated Scenario with QPMEs, Movable Noise Barriers, and Temporary Fixed Construction Noise Barriers)

Appendix 4-10     Estimated Construction Noise Levels Due to Adjacent Approved EIA Projects

Appendix 4-11     Estimated Construction Noise Levels Due to Planned RD Site

Appendix 4-12     Calculated Mitigated Construction Noise Levels Due to Planned REC Site (Directly Extracted from its EIA Report (EIA-220/2014)

Appendix 5-1      Baseline Water Quality Sampling Results

Appendix 5-2      Calculation of Pollution Loading of Stormwater During Operational Phase

Appendix 6-1      Estimation of Sewage Flow from the Proposed Development

Appendix 6-2      Laboratory Test Results of Water Sampling at W3

Appendix 6-3      Sewage Offsetting Calculation

Appendix 6-4      References of Sewage Treatment Systems

Appendix 7-1      Government Correspondences

Appendix 7-2      Historic Aerial Photos

Appendix 8-1      Plant Species recorded within the Assessment Area

Appendix 8-2      Bird Species recorded within the Assessment Area

Appendix 8-3      Butterfly Species recorded within the Assessment Area

Appendix 8-4      Dragonfly Species recorded within the Assessment Area

Appendix 8-5      Amphibian, Reptile and Mammal Species recorded within the Assessment Area

Appendix 10-1     Cultural Heritage Impact Assessment Report

Appendix 11-1     Tree Survey