Additional Gas-fired Generation Units Project - EIA Study (EIA Study Brief ESB-286/2015)

EIA Report

 

Table of Contents

1

Introduction

2

Objectives and Benefits of the Project and Consideration of Alternative

3

Project Description

4

Air Quality

5

Hazard to Human Life Assessment

6

Noise

7

Water Quality

8

Waste Management Implications

9

Land Contamination Assessment

10

Ecology

11

Fisheries

12

Landscape & Visual

13

Cultural Heritage

14

Health

15

Environmental Monitoring & Audit

16

Conclusions

 

 

Figure List

 

Figure 1.1

Proposed Project Site for Additional Gas-fired Generation Units

Figure 2.1

Proposed Site for Two CCGT Units in CPPS and BPPS

Figure 3.1

Indicative Location of Additional CCGT Units

 

Figure 3.2A

Indicative Location of Key Project Components for CCGT No.1

Figure 3.2B

Indicative Location of Key Project Components for CCGT No.2

 

Figure 4.1

Locations of Air Sensitive Receivers

Figure 4.2

Indicative Stack Locations of Proposed CCGT Units

Figure 4.3

Locations of Representative Air Sensitive Receivers in Butterfly Estate AoI

Figure 4.4

Locations of Representative Air Sensitive Receivers in Tin Shui Wai AoI

Figure 4.5

Locations of Representative Air Sensitive Receivers in Tuen Mun AoI

Figure 4.6

Locations of Representative Air Sensitive Receivers in Yuen Long AoI

Figure 4.7

Locations of Representative Air Sensitive Receivers in Tung Chung AoI

Figure 4.8

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Butterfly Estate AoI for Normal Operation (One Additional 600MW CCGT Unit)

Figure 4.9

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tin Shui Wai AoI for Normal Operation (One Additional 600MW CCGT Unit)

Figure 4.10

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tuen Mun AoI for Normal Operation (One Additional 600MW CCGT Unit)

Figure 4.11

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Yuen Long AoI for Normal Operation (One Additional 600MW CCGT Unit)

Figure 4.12

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tung Chung AoI for Normal Operation (One Additional 600MW CCGT Unit)

Figure 4.13

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Butterfly Estate AoI for Normal Operation (Two Additional 600MW CCGT Units)

Figure 4.14

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tin Shui Wai AoI for Normal Operation (Two Additional 600MW CCGT Units)

Figure 4.15

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tuen Mun AoI for Normal Operation (Two Additional 600MW CCGT Units)

Figure 4.16

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Yuen Long AoI for Normal Operation (Two Additional 600MW CCGT Units)

Figure 4.17

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tung Chung AoI for Normal Operation (Two Additional 600MW CCGT Units)

Figure 4.18

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Butterfly Estate AoI for Backup Operation (One Additional 600MW CCGT Unit)

Figure 4.19

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tin Shui Wai AoI for Backup Operation (One Additional 600MW CCGT Unit)

Figure 4.20

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tuen Mun AoI for Backup Operation (One Additional 600MW CCGT Unit)

Figure 4.21

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Yuen Long AoI for Backup Operation (One Additional 600MW CCGT Unit)

Figure 4.22

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tung Chung AoI for Backup Operation (One Additional 600MW CCGT Unit)

Figure 4.23

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Butterfly Estate AoI for Backup Operation (Two Additional 600MW CCGT Units)

Figure 4.24

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tin Shui Wai AoI for Backup Operation (Two Additional 600MW CCGT Units)

Figure 4.25

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tuen Mun AoI for Backup Operation (Two Additional 600MW CCGT Units)

Figure 4.26

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Yuen Long AoI for Backup Operation (Two Additional 600MW CCGT Units)

Figure 4.27

Contour of Cumulative 19th Highest 1-hour Average NO2 Concentration at 1.5m above Ground in Tung Chung AoI for Backup Operation (Two Additional 600MW CCGT Units)

Figure 4.28

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Butterfly Estate AoI for Scenario 1

Figure 4.29

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Tin Shui Wai AoI for Scenario 1

Figure 4.30

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Tuen Mun AoI for Scenario 1

Figure 4.31

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Yuen Long AoI for Scenario 1

Figure 4.32

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Tung Chung AoI for Scenario 1

Figure 4.33

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Butterfly Estate AoI for Scenario 2a

Figure 4.34

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Tin Shui Wai AoI for Scenario 2a

Figure 4.35

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Tuen Mun AoI for Scenario 2a

Figure 4.36

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Yuen Long AoI for Scenario 2a

Figure 4.37

Contour of Annual Average NO2 Concentration at 1.5m above Ground in Tung Chung AoI for Scenario 2a

Figure 5.1

Societal Risk Guidelines for Acceptable Risk Levels

Figure 5.2

Schematic Diagram of QRA Process

Figure 5.3

Grid Cell Numbering Scheme

Figure 5.4

Dangerous Goods Associated Delivery Routes

Figure 5.5

Alternative Dangerous Goods Associated Delivery Routes

Figure 5.6

Flight Paths of Hong Kong International Airport

Figure 5.7

Aircraft Crash Coordinate System

Figure 5.8

Bund Overtopping Considerations

Figure 5.9

Event Tree Analysis for Natural Gas Facilities

Figure 5.10

Event Tree Analysis for Hydrogen Facilities

Figure 5.11

Event Tree Analysis for Distillate Oil Facilities

Figure 5.12

Event Tree Analysis for Carbon Dioxide Facilities

Figure 5.13

Event Tree Analysis for Carbon Dioxide Facilities

Figure 5.14

Presentation of Consequence Results

Figure 5.15

Cumulative Risk – Individual Risk Contours for the Project in 2016

Figure 5.16

Cumulative Risk – Individual Risk Contours for the Project in 2019

Figure 5.17

Cumulative Risk – Individual Risk Contours for the Project in 2020

Figure 5.18

Cumulative Risk – Individual Risk Contours for the Project in 2034

Figure 5.19

Cumulative Risk – Individual Risk Contours for the Project in 2035

Figure 5.20

Cumulative Risk – FN Curves

Figure 5.21

FN Curves Breakdown by Types of DGs in 2016

Figure 5.22

FN Curves Breakdown by Types of DGs in 2019

Figure 5.23

FN Curves Breakdown by Types of DGs in 2020

Figure 5.24

FN Curves Breakdown by Types of DGs in 2034

Figure 5.25

FN Curves Breakdown by Types of DGs in 2035

Figure 6.1

Locations of Noise Sensitive Receivers

Figure 6.2

Topography of the Black Point Headland, BPPS and Potential Sensitive Receivers at the Proposed Lung Kwu Tan Reclamation Area

Figure 6.3

Section Plan

Figure 7.1

Water Quality Sensitive Receivers and EPD Routine Water / Sediment Quality Monitoring Stations in the Vicinity of the Proposed Project at Black Point

Figure 7.2

Sediment Sampling Stations for this EIA

Figure 8.1

Indicative Location of Temporary Stockpile Area

Figure 9.1

Project Components and Works Areas of the Land Contamination Assessment

Figure 10.1

Intertidal Habitats Identified within the Assessment Area at Black Point

Figure 10.2

Terrestrial Habitats Identified within the Assessment Area at Black Point

Figure 10A.1

Assessment Area for Marine Ecological Impact Assessment

Figure 10A.2

Sampling Location and Survey Transects for Terrestrial Ecological Baseline Survey within Assessment Area

Figure 10A.3

Black Point Intertidal Sampling Transect Locations (Reproduced from ERM (2006 & 2009))

Figure 10A.4

Black Point Subtidal Hard-Bottom Sampling Transects (Reproduced from ERM (2009))

Figure 10A.5

Black Point Subtidal Soft-Bottom Sampling Stations (Reproduced from ERM (2006 & 2009)

Figure 10A.6

Distribution of Chinese white dolphin sightings in Deep Bay survey area (2010-2014)

Figure 10A.7

Range Use Patterns of 12 Identified Individuals Occurred in Deep Bay Survey Area during 2010-2014 (Reproduced from AFCD 2010-2015)

Figure 10A.8

Sighting Density of Indo-Pacific Humpback Dolphins Normalized by Survey Effort per km2 in Waters around Lantau Island in 2009-2013 (SPSE = no. of on-effort dolphin sightings per 100 units of survey effort) (Reproduced from AFCD (2014))

Figure 10A.9

Density of Indo-Pacific Humpback Dolphins Normalized by Survey Effort per km2 in Waters around Lantau Island in 2009-2013 (DPSE = no. of dolphins per 100 units of survey effort) (Reproduced from AFCD (2014))

Figure 10A.10

Sighting Density of Indo-Pacific Humpback Dolphins Normalized by Survey Effort per km2 in Waters around Lantau Island in 2014 (SPSE = no. of on-effort dolphin sightings per 100 units of survey effort) (Reproduced from AFCD (2015))

Figure 10A.11

Density of Indo-Pacific Humpback Dolphins Normalized by Survey Effort per km2 in Waters around Lantau Island in 2014 (DPSE = no. of dolphins per 100 units of survey effort) (Reproduced from AFCD (2015))

Figure 10A.12

Information on Baseline Conditions on Terrestrial Ecology from Previous LNG EIA 2006

Figure 10A.13

Black Point Intertidal Sampling Transect Locations for Seasonal Survey in 2015

Figure 10A.14

Subtidal Soft-Bottom Sampling Stations for Seasonal Survey in 2015

Figure 10A.15

Subtidal Dive Survey Transects in 2015

Figure 10A.16

Representative Photographic Records of the Seabed and Artificial Seawall taken during the Subtidal Dive Survey

Figure 10A.17

Representative Photographic Records of Corals taken during the Subtidal Dive Survey

Figure 10A.18

Shore-based Theodolite Tracking Station for Marine Mammal Monitoring in 2015

Figure 10A.19

Terrestrial Habitat Map and Location of Terrestrial Species of Conservation Importance

Figure 11.1

Fisheries Sensitive Receivers in the Assessment Area

Figure 11.2

Distribution of Fishing Operations (All Vessels) in Hong Kong Water as Recorded by Agriculture, Fisheries and Conservation Department in Port Survey 2006

Figure 11.3

Distribution of Fisheries Production (Adult Fish) in terms of Weight (kg/ha) in Hong Kong Water as Recorded by Agriculture, Fisheries and Conservation Department in Port Survey 2006

Figure 11.4

Distribution of Fisheries Production (Adult Fish & Fish Fry) in terms of Value (HK$/ha) in Hong Kong Water as Recorded by Agriculture, Fisheries and Conservation Department in Port Survey 2006

Figure 11.5

Distribution of Fisheries Production (Fish Fry) in terms of Density (Tails/ha) in Hong Kong Water as Recorded by Agriculture, Fisheries and Conservation Department in Port Survey 2006

Figure 11.6

Fisheries Surveys from Previous Studies between 1998 and 2014 in the Assessment Area and its Vicinity

Figure 12.1

Aerial Photograph of the Assessment Area

Figure 12.2

Planning & Development context of the Project

Figure 12.3

Landscape Resources

Figure 12.4

Representative Photographs of LRs (Sheet 2 of 2)

Figure 12.5

Landscape Character Area

Figure 12.6

Representative Photographs of LCAs

Figure 12.7

Predicted Visual Envelope

Figure 12.8

Locations of Predicted Visual Sensitive Receivers (VSRs) and Vantage Points (VPs)

Figure 12.9a

Significance of Residual Impact on Landscape Resources from the Installation of CCGT Unit No.1

Figure 12.9b

Significance of Residual Impact on Landscape Resources from the Installation of CCGT Unit No.1 and No.2

Figure 12.10a

Significance of Residual Impact on Landscape Character Area from the Installation of CCGT Unit No.1

Figure 12.10b

Significance of Residual Impact on Landscape Character Area from the Installation of CCGT Unit No.1 and No.2

Figure 12.11a

Photomontage from VP1 – View to Project Site from Urmston Road (Sheet 1 of 2)

Figure 12.11b

Photomontage from VP1 – View to Project Site from Urmston Road (Sheet 2 of 2)

Figure 12.12a

Photomontage from VP2 – View to Project Site from near shore (Sheet 1 of 2)

Figure 12.12b

Photomontage from VP2 – View to Project Site from near shorec(Sheet 2 of 2)

Figure 12.13a

Photomontage from VP3 – View to Project Site from trail on Black Point headland (Sheet 1 of 2)

Figure 12.13b

Photomontage from VP3 – View to Project Site from trail on Black Point headland (Sheet 2 of 2)

Figure 12.14a

Photomontage from VP4 – View to Project Site from just off Nim Wan Road (Sheet 2 of 2)

Figure 12.14b

Photomontage from VP4 – View to Project Site from just off Nim Wan Road (Sheet 2 of 2)

Figure 12.15a

Photomontage from VP1 – View to Project Site from Urmston Road (Sheet 1 of 2)

Figure 12.15b

Photomontage from VP1 – View to Project Site from Urmston Road (Sheet 2 of 2)

Figure 12.16a

Photomontage from VP2 – View to Project Site from near shore (Sheet 1 of 2)

Figure 12.16b

Photomontage from VP2 – View to Project Site from near shore (Sheet 2 of 2)

Figure 12.17a

Photomontage from VP3 – View to Project Site from trail on Black Point headland (Sheet 1 of 2)

Figure 12.17b

Photomontage from VP3 – View to Project Site from trail on Black Point headland (Sheet 2 of 2)

Figure 12.18a

Photomontage from VP4 – View to Project Site from just off Nim Wan Road (Sheet 1 of 2)

Figure 12.18b

Photomontage from VP4 – View to Project Site from just off Nim Wan Road (Sheet 2 of 2)

Figure 12.19

Landscape Mitigation Plan

Figure 13.1

Locations of the Proposed Additional CCGT Units at BPPS and Existing and Proposed Intake and Outfall

Figure 13.2

Locations of Known Obstructions/Wrecks in the United Kingdom Hydrographic Office (UKHO) Wrecks Database Identified in the vicinity of the Assessment Area

Figure 13.3

Previous MAI Conducted

Figure 14.1

Locations of Human Health Sensitive Receivers

 

 

Annex List

 

Annex 1A

Stakeholder Engagement Activities

Annex 4A

Detailed Information of All ASRs

Annex 4B

ISCST3 Model Input Emission Inventory

Annex 4C

Detailed Emission Information for PATH Model Input

Annex 4D

Traffic Emissions

Annex 4E

Predicted NO2 Concentrations at ASRs for Assessment of AoI

Annex 4F

Detailed Result Tables showing the Breakdown of Contribution at Each ASR and Height for Each Scenario

Annex 4G

Predicted Hourly Ozone Results for Scenarios with and without the Project

Annex 5A

Tables of Assumptions

Annex 5B

Summary of Incident Review

Annex 5C

Results of Frequency Analysis

Annex 5D

Results of Consequence Analysis

Annex 5E

Main Risk Contributor to Potential Loss of Life

Annex 7A

Results of Sediment and Elutriate Testing

Annex 7B

Water Quality Modelling Method Statement

Annex 7C

Results of Mode Verification Annex 7D

Annex 7D

Results of Construction Phase Sediment Plume Modelling

Annex 7E

Results of Construction Phase Nutrients Release Modelling

Annex 7F

Results of Operation Phase Thermal Discharge Modelling

Annex 7G

Results of Operation Phase Total Residual Chlorine Discharge Modelling

Annex 8A

EPD Approved Sediment Sampling and Testing Plan (SSTP)

Annex 9A

Contamination Assessment Plan

Annex 9B

Contamination Assessment Report

Annex 10A

Baseline Ecological Resources Annex 10B Data of Marine Ecological Resources

Annex 10B

Data of Marine Ecological Resources

Annex 10C

Data of Terrestrial Ecological Resources

Annex 12A

Broad Brush Tree Survey

Annex 13A

UKHO Data of Two Obstructions

Annex 14A

Predicted Concentrations for Acute Non-carcinogenic Health Risk at HSRs

Annex 14B

Predicted Concentrations for Chronic Noncarcinogenic Health Risk at HSRs

Annex 14C

Predicted Concentrations for Incremental Carcinogenic Health Risks at HSRs

Annex 14D

Predicted Short-term Concentrations of Criteria Air Pollutants for “With Project” and “Without Project” Scenarios and their Incremental Changes

Annex 15A

Implementation Schedule