Table D1         Predicted TIN Concentrations (mg L-1) for Scenarios 1 to 3 as a Result of Sediment Release due to the Works

LNG Terminal, Submarine Water Main and Submarine Cable Circuit

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TIN Conc. In Sediment (mg kg-1)

Scenario 1

Scenario 2

Scenario 3

 

 

Dry

Wet

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Max

Max

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

100

0.000005

0.000006

0.000003

0.000001

0.000012

0.000003

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

100

0.000005

0.000006

0.000003

0.000003

0.000014

0.000002

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

100

0.000010

0.000010

0.000003

0.000005

0.000028

0.000007

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

100

0.000002

0.000004

0.000003

0.000001

0.000007

0.000004

Intertidal Mudflats

Yi O

SR14

s

100

0.000002

0.000001

0.000003

0.000000

0.000005

0.000001

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

100

0.000003

0.000005

0.000004

0.000001

0.000010

0.000002

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

100

0.000003

0.000006

0.000006

0.000005

0.000014

0.000002

Mangroves

Fan Lau Tung Wan

SR15b

s

71

0.000001

0.000001

0.000009

0.000002

0.000115

0.000001

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

71

0.000001

0.000007

0.000012

0.000009

0.000162

0.000010

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

100

0.000004

0.000004

0.000013

0.000005

0.000018

0.000001

Fish Fry Habitat

Pak Tso Wan

SR16b

a

71

0.001629

0.002614

0.001151

0.001101

0.002561

0.004073

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

100

0.000002

0.000001

0.000001

0.000000

0.000004

0.000002

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

71

0.000043

0.000031

0.000180

0.000080

0.000016

0.000009

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

71

0.000174

0.000186

0.000057

0.000031

0.000178

0.000182

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

71

0.000207

0.000111

0.000013

0.000011

0.000264

0.000165

Intertidal Mudflats

Shui Hau Wan

SR33

s

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

 


Table D1 (cont’d)             Predicted TIN Concentrations (mg L-1) for Scenarios 4a to 6 as a Result of Sediment Release due to the Works

LNG Terminal, Submarine Water Main, Submarine Cable Circuit and Gas Receiving Station

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TIN Conc. In Sediment (mg kg-1)

Scenario 4a

Scenario 4b

Scenario 5

Scenario 6

 

 

Dry

Wet

Dry

Wet

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Max

Max

Max

Max

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

100

0.000004

0.000001

0.000005

0.000001

0.000007

0.000003

0.000003

0.000003

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

100

0.000005

0.000002

0.000006

0.000002

0.000006

0.000002

0.000002

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

100

0.000011

0.000004

0.000015

0.000005

0.000011

0.000003

0.000002

0.000001

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

100

0.000002

0.000001

0.000002

0.000001

0.000005

0.000007

0.000004

0.000003

Intertidal Mudflats

Yi O

SR14

s

100

0.000001

0.000000

0.000002

0.000000

0.000004

0.000002

0.000003

0.000001

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

100

0.000002

0.000001

0.000002

0.000001

0.000005

0.000003

0.000003

0.000001

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

100

0.000002

0.000002

0.000002

0.000002

0.000008

0.000002

0.000000

0.000001

Mangroves

Fan Lau Tung Wan

SR15b

s

71

0.000001

0.000000

0.000001

0.000000

0.000026

0.000000

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

71

0.000001

0.000002

0.000001

0.000002

0.000038

0.000006

0.000000

0.000000

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

100

0.000002

0.000001

0.000003

0.000001

0.000016

0.000002

0.000000

0.000001

Fish Fry Habitat

Pak Tso Wan

SR16b

a

71

0.000018

0.000016

0.000016

0.000018

0.000249

0.000401

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

100

0.000001

0.000000

0.000001

0.000000

0.000004

0.000002

0.000002

0.000001

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

71

0.000009

0.000004

0.000011

0.000004

0.000229

0.000021

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

71

0.000011

0.000022

0.000014

0.000023

0.000220

0.000128

0.000000

0.000000

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

71

0.001101

0.000694

0.000863

0.000904

0.000430

0.000264

0.000000

0.000000

Intertidal Mudflats

Shui Hau Wan

SR33

s

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

71

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000


Table D1 (cont’d)   Predicted TIN Concentrations (mg L-1) Scenarios 7 and 8 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TIN Conc. In Sediment (mg kg-1)

Scenario 7

Scenario 8

 

 

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Intertidal Mudflats

Pak Nai

SR01

s

142

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

142

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

142

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Black Point Power Station

SR04

b

142

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

100

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Butterfly Beach

SR05c

a

100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

100

0.000000

0.000000

0.000179

0.000286

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

100

0.000000

0.000000

0.000000

0.000000

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

100

0.000000

0.000000

0.000007

0.000044

Seawater Intakes

Castle Peak Power Station

SR07a

b

100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Tuen Mun Area 38

SR07b

b

100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07c

b

100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07d

b

100

0.000000

0.000000

0.000000

0.000000

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07e

b

100

0.000000

0.000000

0.000000

0.000001

Seawater Intakes

Airport

SR07f

b

100

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

100

0.000000

0.000000

0.000026

0.000005

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

100

0.000000

0.000000

0.000053

0.000010

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

100

0.000000

0.000000

0.000041

0.000017

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

100

0.000000

0.000000

0.000048

0.000023

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

100

0.000000

0.000000

0.000053

0.000054

Intertidal Mudflats

Yi O

SR14

s

100

0.000000

0.000000

0.000023

0.000004

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

100

0.000000

0.000000

0.000036

0.000051

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

100

0.000000

0.000000

0.000125

0.000061

Mangroves

Fan Lau Tung Wan

SR15b

s

100

0.000000

0.000000

0.000013

0.000004

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

100

0.000000

0.000000

0.000018

0.000105

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

100

0.000000

0.000000

0.000142

0.000033

Fish Fry Habitat

Pak Tso Wan

SR16b

a

71

0.000752

0.000427

0.000249

0.000075

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

71

0.000000

0.000000

0.000011

0.000002

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

71

0.000001

0.000002

0.000080

0.000038

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

71

0.000009

0.000016

0.000080

0.000016

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

71

0.000011

0.000023

0.000032

0.000023

Intertidal Mudflats

Shui Hau Wan

SR33

s

71

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

71

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

71

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

71

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

100

0.000000

0.000000

0.000000

0.000000

 

Table D1 (cont’d)   Predicted TIN Concentrations (mg L-1) Scenarios 10 and 11 as a Result of Sediment Release due to the Works

 

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TIN Conc. In Sediment (mg kg-1)

Scenario 9

Scenario 10

 

 

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Intertidal Mudflats

Pak Nai

SR01

s

142

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

142

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

142

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Black Point Power Station

SR04

b

142

0.000000

0.000000

0.000001

0.000000

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

100

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Butterfly Beach

SR05c

a

100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

100

0.000070

0.000075

0.000432

0.000202

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

100

0.000461

0.000538

0.000030

0.000011

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

100

0.000003

0.000001

0.000006

0.000008

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

100

0.000003

0.000013

0.000004

0.000003

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

100

0.000075

0.000053

0.000032

0.000016

Seawater Intakes

Castle Peak Power Station

SR07a

b

100

0.000000

0.000000

0.000001

0.000001

Seawater Intakes

Tuen Mun Area 38

SR07b

b

100

0.000000

0.000000

0.000001

0.000001

Seawater Intakes

Airport

SR07c

b

100

0.000000

0.000001

0.000000

0.000000

Seawater Intakes

Airport

SR07d

b

100

0.000000

0.000000

0.000000

0.000000

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07e

b

100

0.000000

0.000001

0.000000

0.000000

Seawater Intakes

Airport

SR07f

b

100

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

100

0.000002

0.000001

0.000004

0.000002

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

100

0.000008

0.000006

0.000001

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

100

0.000013

0.000010

0.000002

0.000006

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

100

0.000008

0.000004

0.000001

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

100

0.000008

0.000004

0.000001

0.000001

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

100

0.000011

0.000015

0.000002

0.000002

Intertidal Mudflats

Yi O

SR14

s

100

0.000009

0.000004

0.000001

0.000000

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

100

0.000011

0.000005

0.000001

0.000001

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

100

0.000002

0.000002

0.000000

0.000000

Mangroves

Fan Lau Tung Wan

SR15b

s

100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

100

0.000002

0.000002

0.000000

0.000000

Fish Fry Habitat

Pak Tso Wan

SR16b

a

71

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

71

0.000003

0.000005

0.000001

0.000001

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

71

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

71

0.000000

0.000000

0.000000

0.000000

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

71

0.000000

0.000000

0.000000

0.000000

Intertidal Mudflats

Shui Hau Wan

SR33

s

71

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

71

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

71

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

71

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

100

0.000000

0.000000

0.000000

0.000000

 

 


Table D1 (cont’d)   Predicted TIN Concentrations (mg L-1)Scenarios 11 and 12 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TIN Conc. In Sediment (mg kg-1)

Scenario 11

Scenario 12

 

 

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Intertidal Mudflats

Pak Nai

SR01

s

142

0.000006

0.000004

0.000013

0.000038

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

142

0.000020

0.000017

0.000060

0.000067

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

142

0.000000

0.000000

0.000000

0.000003

Seawater Intakes

Black Point Power Station

SR04

b

142

0.000053

0.000129

0.000868

0.000611

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

100

0.000009

0.000001

0.000028

0.000003

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

100

0.000006

0.000003

0.000016

0.000011

Gazetted Beaches

Butterfly Beach

SR05c

a

100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

100

0.000035

0.000038

0.000002

0.000001

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

100

0.000016

0.000012

0.000002

0.000002

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

100

0.000057

0.000042

0.000005

0.000007

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

100

0.000028

0.000023

0.000005

0.000004

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

100

0.000019

0.000015

0.000001

0.000001

Seawater Intakes

Castle Peak Power Station

SR07a

b

100

0.000053

0.000049

0.000042

0.000063

Seawater Intakes

Tuen Mun Area 38

SR07b

b

100

0.000029

0.000023

0.000013

0.000017

Seawater Intakes

Airport

SR07c

b

100

0.000007

0.000005

0.000002

0.000001

Seawater Intakes

Airport

SR07d

b

100

0.000000

0.000001

0.000000

0.000001

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

100

0.000000

0.000001

0.000000

0.000001

Seawater Intakes

Airport

SR07e

b

100

0.000000

0.000002

0.000000

0.000000

Seawater Intakes

Airport

SR07f

b

100

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

100

0.000038

0.000034

0.000008

0.000009

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

100

0.000004

0.000006

0.000002

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

100

0.000001

0.000005

0.000000

0.000000

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

100

0.000001

0.000001

0.000000

0.000000

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

100

0.000001

0.000001

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

100

0.000003

0.000003

0.000001

0.000001

Intertidal Mudflats

Yi O

SR14

s

100

0.000001

0.000001

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

100

0.000001

0.000001

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

100

0.000000

0.000000

0.000000

0.000000

Mangroves

Fan Lau Tung Wan

SR15b

s

100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

100

0.000000

0.000000

0.000000

0.000000

Fish Fry Habitat

Pak Tso Wan

SR16b

a

71

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

71

0.000002

0.000002

0.000001

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

71

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

71

0.000000

0.000000

0.000000

0.000000

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

71

0.000000

0.000000

0.000000

0.000000

Intertidal Mudflats

Shui Hau Wan

SR33

s

71

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

71

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

71

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

71

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

100

0.000000

0.000000

0.000000

0.000000

 

 


Table D1 (cont’d)   Predicted TIN Concentrations (mg L-1)Scenarios 13 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TIN Conc. In Sediment (mg kg-1)

Scenario 13

 

 

 

Dry

Wet

 

 

 

 

Max

Max

 

 

Intertidal Mudflats

Pak Nai

SR01

s

142

0.000016

0.000027

 

 

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

142

0.000047

0.000061

 

 

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

142

0.000000

0.000001

 

 

Seawater Intakes

Black Point Power Station

SR04

b

142

0.000214

0.000193

 

 

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

100

0.000015

0.000001

 

 

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

100

0.000010

0.000007

 

 

Gazetted Beaches

Butterfly Beach

SR05c

a

100

0.000000

0.000000

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

100

0.000003

0.000001

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

100

0.000002

0.000002

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

100

0.000009

0.000005

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

100

0.000007

0.000004

 

 

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

100

0.000003

0.000001

 

 

Seawater Intakes

Castle Peak Power Station

SR07a

b

100

0.000032

0.000040

 

 

Seawater Intakes

Tuen Mun Area 38

SR07b

b

100

0.000015

0.000013

 

 

Seawater Intakes

Airport

SR07c

b

100

0.000002

0.000001

 

 

Seawater Intakes

Airport

SR07d

b

100

0.000000

0.000000

 

 

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

100

0.000000

0.000001

 

 

Seawater Intakes

Airport

SR07e

b

100

0.000000

0.000000

 

 

Seawater Intakes

Airport

SR07f

b

100

0.000000

0.000000

 

 

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

100

0.000007

0.000009

 

 

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

100

0.000002

0.000001

 

 

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

100

0.000000

0.000000

 

 

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

100

0.000000

0.000000

 

 

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

100

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

100

0.000001

0.000001

 

 

Intertidal Mudflats

Yi O

SR14

s

100

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

100

0.000000

0.000000

 

 

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

100

0.000000

0.000000

 

 

Mangroves

Fan Lau Tung Wan

SR15b

s

100

0.000000

0.000000

 

 

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

100

0.000000

0.000000

 

 

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

100

0.000000

0.000000

 

 

Fish Fry Habitat

Pak Tso Wan

SR16b

a

71

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

71

0.000001

0.000000

 

 

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

71

0.000000

0.000000

 

 

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

71

0.000000

0.000000

 

 

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

71

0.000000

0.000000

 

 

Intertidal Mudflats

Shui Hau Wan

SR33

s

71

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

71

0.000000

0.000000

 

 

Gazetted Beaches

Tong Fuk

SR34

a

71

0.000000

0.000000

 

 

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

71

0.000000

0.000000

 

 

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

100

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

100

0.000000

0.000000

 

 

 

 


Table D2        Predicted Unionised Ammonia Concentrations (mg L-1) for Scenarios 1 to 3 as a Result of Sediment Release due to the Works

LNG Terminal, Submarine Water Main and Submarine Cable Circuit

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TKN Conc. In Sediment (mg kg-1)

Scenario 1

Scenario 2

Scenario 3

 

 

Dry

Wet

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Max

Max

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

2100

0.000005

0.000006

0.000003

0.000001

0.000013

0.000003

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

2100

0.000005

0.000006

0.000003

0.000003

0.000015

0.000002

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

2100

0.000011

0.000011

0.000003

0.000005

0.000029

0.000007

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

2100

0.000002

0.000004

0.000003

0.000001

0.000007

0.000004

Intertidal Mudflats

Yi O

SR14

s

2100

0.000002

0.000001

0.000003

0.000000

0.000005

0.000001

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

2100

0.000003

0.000005

0.000004

0.000001

0.000011

0.000002

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

2100

0.000003

0.000006

0.000006

0.000005

0.000015

0.000002

Mangroves

Fan Lau Tung Wan

SR15b

s

2100

0.000002

0.000001

0.000013

0.000003

0.000170

0.000001

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

2100

0.000002

0.000011

0.000018

0.000013

0.000239

0.000015

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

2100

0.000004

0.000004

0.000014

0.000005

0.000019

0.000001

Fish Fry Habitat

Pak Tso Wan

SR16b

a

1300

0.001491

0.002393

0.001054

0.001008

0.002345

0.003729

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

2100

0.000002

0.000001

0.000001

0.000000

0.000004

0.000002

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

1300

0.000040

0.000028

0.000164

0.000073

0.000015

0.000008

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

1300

0.000159

0.000170

0.000052

0.000029

0.000163

0.000166

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

1300

0.000190

0.000101

0.000012

0.000010

0.000242

0.000151

Intertidal Mudflats

Shui Hau Wan

SR33

s

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

2100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

2100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

 


Table D2 (cont’d)   Predicted Unionised Ammonia Concentrations(mg L-1) for Scenarios 4a to 6 as a Result of Sediment Release due to the Works

LNG Terminal, Submarine Water Main and Submarine Cable Circuit and Gas Receiving Station

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TKN Conc. In Sediment (mg kg-1)

Scenario 4a

Scenario 4b

Scenario 5

Scenario 6

 

 

Dry

Wet

Dry

Wet

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Max

Max

Max

Max

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

2100

0.000004

0.000001

0.000005

0.000001

0.000007

0.000003

0.000003

0.000003

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

2100

0.000005

0.000002

0.000006

0.000002

0.000006

0.000002

0.000002

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

2100

0.000012

0.000004

0.000016

0.000005

0.000012

0.000003

0.000002

0.000001

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

2100

0.000002

0.000001

0.000002

0.000001

0.000005

0.000007

0.000004

0.000003

Intertidal Mudflats

Yi O

SR14

s

2100

0.000001

0.000000

0.000002

0.000000

0.000004

0.000002

0.000003

0.000001

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

2100

0.000002

0.000001

0.000002

0.000001

0.000005

0.000003

0.000003

0.000001

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

2100

0.000002

0.000002

0.000002

0.000002

0.000008

0.000002

0.000000

0.000001

Mangroves

Fan Lau Tung Wan

SR15b

s

2100

0.000001

0.000000

0.000001

0.000000

0.000038

0.000000

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

2100

0.000001

0.000003

0.000001

0.000003

0.000056

0.000009

0.000000

0.000000

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

2100

0.000002

0.000001

0.000003

0.000001

0.000017

0.000002

0.000000

0.000001

Fish Fry Habitat

Pak Tso Wan

SR16b

a

1300

0.000016

0.000015

0.000014

0.000016

0.000228

0.000367

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

2100

0.000001

0.000000

0.000001

0.000000

0.000004

0.000002

0.000002

0.000001

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

1300

0.000008

0.000003

0.000010

0.000003

0.000209

0.000020

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

1300

0.000010

0.000020

0.000013

0.000021

0.000202

0.000117

0.000000

0.000000

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

1300

0.001008

0.000636

0.000790

0.000827

0.000393

0.000242

0.000000

0.000000

Intertidal Mudflats

Shui Hau Wan

SR33

s

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

1300

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

2100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

2100

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

0.000000

 


Table D2 (cont’d)   Predicted Unionised Ammonia Concentrations (mg L-1) for Scenarios 7 and 8 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TKN Conc. In Sediment (mg kg-1)

Scenario 7

Scenario 8

 

 

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Intertidal Mudflats

Pak Nai

SR01

s

2600

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

2600

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

2600

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Black Point Power Station

SR04

b

2600

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

2100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

2100

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Butterfly Beach

SR05c

a

2100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

2100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

2100

0.000000

0.000000

0.000154

0.000408

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

2100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

2100

0.000000

0.000000

0.000000

0.000001

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

2100

0.000000

0.000000

0.000029

0.000043

Seawater Intakes

Castle Peak Power Station

SR07a

b

2100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Tuen Mun Area 38

SR07b

b

2100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07c

b

2100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07d

b

2100

0.000000

0.000000

0.000000

0.000000

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

2100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07e

b

2100

0.000000

0.000000

0.000000

0.000001

Seawater Intakes

Airport

SR07f

b

2100

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

2100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

2100

0.000000

0.000000

0.000029

0.000008

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

2100

0.000000

0.000000

0.000063

0.000011

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

2100

0.000000

0.000000

0.000043

0.000019

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

2100

0.000000

0.000000

0.000058

0.000025

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

2100

0.000000

0.000000

0.000046

0.000077

Intertidal Mudflats

Yi O

SR14

s

2100

0.000000

0.000000

0.000025

0.000004

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

2100

0.000000

0.000000

0.000038

0.000051

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

2100

0.000000

0.000000

0.000038

0.000060

Mangroves

Fan Lau Tung Wan

SR15b

s

2100

0.000000

0.000000

0.000014

0.000007

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

2100

0.000000

0.000000

0.000021

0.000107

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

2100

0.000000

0.000000

0.000035

0.000028

Fish Fry Habitat

Pak Tso Wan

SR16b

a

1300

0.000688

0.000391

0.000274

0.000072

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

2100

0.000000

0.000000

0.000013

0.000003

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

1300

0.000001

0.000002

0.000065

0.000037

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

1300

0.000008

0.000014

0.000073

0.000018

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

1300

0.000010

0.000021

0.000029

0.000026

Intertidal Mudflats

Shui Hau Wan

SR33

s

1300

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

1300

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

1300

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

1300

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

2100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

2100

0.000000

0.000000

0.000000

0.000000

 


Table D2 (cont’d)   Predicted Unionised Ammonia Concentrations(mg L-1) for Scenarios 9 and 10 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TKN Conc. In Sediment (mg kg-1)

Scenario 9

Scenario 10

 

 

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Intertidal Mudflats

Pak Nai

SR01

s

2600

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

2600

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

2600

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Black Point Power Station

SR04

b

2600

0.000000

0.000000

0.000001

0.000000

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

2100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

2100

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Butterfly Beach

SR05c

a

2100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

2100

0.000074

0.000079

0.000454

0.000212

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

2100

0.000484

0.000565

0.000032

0.000012

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

2100

0.000003

0.000001

0.000006

0.000008

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

2100

0.000003

0.000014

0.000004

0.000003

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

2100

0.000079

0.000056

0.000034

0.000017

Seawater Intakes

Castle Peak Power Station

SR07a

b

2100

0.000000

0.000000

0.000001

0.000001

Seawater Intakes

Tuen Mun Area 38

SR07b

b

2100

0.000000

0.000000

0.000001

0.000001

Seawater Intakes

Airport

SR07c

b

2100

0.000000

0.000001

0.000000

0.000000

Seawater Intakes

Airport

SR07d

b

2100

0.000000

0.000000

0.000000

0.000000

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

2100

0.000000

0.000000

0.000000

0.000000

Seawater Intakes

Airport

SR07e

b

2100

0.000000

0.000001

0.000000

0.000000

Seawater Intakes

Airport

SR07f

b

2100

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

2100

0.000002

0.000001

0.000004

0.000002

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

2100

0.000008

0.000006

0.000001

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

2100

0.000014

0.000011

0.000002

0.000006

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

2100

0.000008

0.000004

0.000001

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

2100

0.000008

0.000004

0.000001

0.000001

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

2100

0.000012

0.000016

0.000002

0.000002

Intertidal Mudflats

Yi O

SR14

s

2100

0.000009

0.000004

0.000001

0.000000

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

2100

0.000012

0.000005

0.000001

0.000001

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

2100

0.000002

0.000002

0.000000

0.000000

Mangroves

Fan Lau Tung Wan

SR15b

s

2100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

2100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

2100

0.000002

0.000002

0.000000

0.000000

Fish Fry Habitat

Pak Tso Wan

SR16b

a

1300

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

2100

0.000003

0.000005

0.000001

0.000001

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

1300

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

1300

0.000000

0.000000

0.000000

0.000000

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

1300

0.000000

0.000000

0.000000

0.000000

Intertidal Mudflats

Shui Hau Wan

SR33

s

1300

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

1300

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

1300

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

1300

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

2100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

2100

0.000000

0.000000

0.000000

0.000000

 


Table D2 (cont’d)   Predicted Unionised Ammonia Concentrations (mg L-1) for Scenarios 11 and 12 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TKN Conc. In Sediment (mg kg-1)

Scenario 11

Scenario 12

 

 

Dry

Wet

Dry

Wet

 

 

Max

Max

Max

Max

Intertidal Mudflats

Pak Nai

SR01

s

2600

0.000005

0.000004

0.000012

0.000035

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

2600

0.000018

0.000016

0.000055

0.000061

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

2600

0.000000

0.000000

0.000000

0.000003

Seawater Intakes

Black Point Power Station

SR04

b

2600

0.000048

0.000118

0.000794

0.000559

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

2100

0.000009

0.000001

0.000029

0.000003

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

2100

0.000006

0.000003

0.000017

0.000012

Gazetted Beaches

Butterfly Beach

SR05c

a

2100

0.000000

0.000000

0.000000

0.000000

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

2100

0.000037

0.000040

0.000002

0.000001

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

2100

0.000017

0.000013

0.000002

0.000002

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

2100

0.000060

0.000044

0.000005

0.000007

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

2100

0.000029

0.000024

0.000005

0.000004

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

2100

0.000020

0.000016

0.000001

0.000001

Seawater Intakes

Castle Peak Power Station

SR07a

b

2100

0.000056

0.000051

0.000044

0.000066

Seawater Intakes

Tuen Mun Area 38

SR07b

b

2100

0.000030

0.000024

0.000014

0.000018

Seawater Intakes

Airport

SR07c

b

2100

0.000007

0.000005

0.000002

0.000001

Seawater Intakes

Airport

SR07d

b

2100

0.000000

0.000001

0.000000

0.000001

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

2100

0.000000

0.000001

0.000000

0.000001

Seawater Intakes

Airport

SR07e

b

2100

0.000000

0.000002

0.000000

0.000000

Seawater Intakes

Airport

SR07f

b

2100

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

2100

0.000040

0.000036

0.000008

0.000009

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

2100

0.000004

0.000006

0.000002

0.000001

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

2100

0.000001

0.000005

0.000000

0.000000

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

2100

0.000001

0.000001

0.000000

0.000000

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

2100

0.000001

0.000001

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

2100

0.000003

0.000003

0.000001

0.000001

Intertidal Mudflats

Yi O

SR14

s

2100

0.000001

0.000001

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

2100

0.000001

0.000001

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

2100

0.000000

0.000000

0.000000

0.000000

Mangroves

Fan Lau Tung Wan

SR15b

s

2100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

2100

0.000000

0.000000

0.000000

0.000000

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

2100

0.000000

0.000000

0.000000

0.000000

Fish Fry Habitat

Pak Tso Wan

SR16b

a

1300

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

2100

0.000002

0.000002

0.000001

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

1300

0.000000

0.000000

0.000000

0.000000

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

1300

0.000000

0.000000

0.000000

0.000000

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

1300

0.000000

0.000000

0.000000

0.000000

Intertidal Mudflats

Shui Hau Wan

SR33

s

1300

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

1300

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Tong Fuk

SR34

a

1300

0.000000

0.000000

0.000000

0.000000

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

1300

0.000000

0.000000

0.000000

0.000000

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

2100

0.000000

0.000000

0.000000

0.000000

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

2100

0.000000

0.000000

0.000000

0.000000

 


Table D2 (cont’d)   Predicted Unionised Ammonia Concentrations (mg L-1) for Scenarios 13 as a Result of Sediment Release due to the Works

Submarine Gas Pipeline

Sensitive Receiver

Name

ID

Depth (s = surface, m = middle, b = bottom, a = depth-average)

Max TKN Conc. In Sediment (mg kg-1)

Scenario 13

 

 

 

Dry

Wet

 

 

 

 

Max

Max

 

 

Intertidal Mudflats

Pak Nai

SR01

s

2600

0.000014

0.000025

 

 

Horseshoe Crab Nursery Grounds

Pak Nai

SR01

a

2600

0.000043

0.000056

 

 

Seagrass Beds/Mangroves/Oyster Farm

Pak Nai

SR02

s

2600

0.000000

0.000001

 

 

Seawater Intakes

Black Point Power Station

SR04

b

2600

0.000196

0.000177

 

 

Non-gazetted Beaches

Lung Kwu Sheung Tan

SR05a

a

2100

0.000016

0.000001

 

 

Non-gazetted Beaches

Lung Kwu Tan

SR05b

a

2100

0.000011

0.000007

 

 

Gazetted Beaches

Butterfly Beach

SR05c

a

2100

0.000000

0.000000

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06a

a

2100

0.000003

0.000001

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06b

a

2100

0.000002

0.000002

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06c

a

2100

0.000009

0.000005

 

 

Marine Park

Designated Sha Chau and Lung Kwu Chau

SR06d

a

2100

0.000007

0.000004

 

 

Artificial Reef Deployment Area

Sha Chau and Lung Kwu Chau

SR06e

a

2100

0.000003

0.000001

 

 

Seawater Intakes

Castle Peak Power Station

SR07a

b

2100

0.000034

0.000042

 

 

Seawater Intakes

Tuen Mun Area 38

SR07b

b

2100

0.000016

0.000014

 

 

Seawater Intakes

Airport

SR07c

b

2100

0.000002

0.000001

 

 

Seawater Intakes

Airport

SR07d

b

2100

0.000000

0.000000

 

 

Artificial Reef Deployment Area

Northeast Airport

SR07d

a

2100

0.000000

0.000001

 

 

Seawater Intakes

Airport

SR07e

b

2100

0.000000

0.000000

 

 

Seawater Intakes

Airport

SR07f

b

2100

0.000000

0.000000

 

 

Spawning/Nursery Grounds

Fisheries Spawning Ground in North Lantau

SR08

a

2100

0.000007

0.000009

 

 

Horseshoe Crab Nursery Grounds

Sham Wat Wan

SR10

a

2100

0.000002

0.000001

 

 

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11

a

2100

0.000000

0.000000

 

 

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11a

a

2100

0.000000

0.000000

 

 

Protection Zone

Chinese White Dolphin Protection Zone in Mainland Waters

SR11b

a

2100

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Tai O

SR12

a

2100

0.000001

0.000001

 

 

Intertidal Mudflats

Yi O

SR14

s

2100

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Yi O

SR14

a

2100

0.000000

0.000000

 

 

Non-gazetted Beaches

Fan Lau Sai Wan

SR15a

a

2100

0.000000

0.000000

 

 

Mangroves

Fan Lau Tung Wan

SR15b

s

2100

0.000000

0.000000

 

 

Non-gazetted Beaches

Fan Lau Tung Wan

SR15b

a

2100

0.000000

0.000000

 

 

Non-gazetted Beaches

Tsin Yue Wan

SR15c

a

2100

0.000000

0.000000

 

 

Fish Fry Habitat

Pak Tso Wan

SR16b

a

1300

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Sha Lo Wan

SR18

a

2100

0.000001

0.000000

 

 

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR24

a

1300

0.000000

0.000000

 

 

Spawning/Nursery Grounds

Fisheries Spawning/Nursery Grounds in South Lantau

SR27

a

1300

0.000000

0.000000

 

 

Subtidal Hard Bottom Habitat (coral)

Southern Side of South Soko

SR31

a

1300

0.000000

0.000000

 

 

Intertidal Mudflats

Shui Hau Wan

SR33

s

1300

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Tong Fuk Miu Wan

SR33

a

1300

0.000000

0.000000

 

 

Gazetted Beaches

Tong Fuk

SR34

a

1300

0.000000

0.000000

 

 

Gazetted Beaches

Upper Cheung Sha Beach

SR35

a

1300

0.000000

0.000000

 

 

Seagrass Beds/Mangroves

Tung Chung Bay

SR39

s

2100

0.000000

0.000000

 

 

Horseshoe Crab Nursery Grounds

Tung Chung Bay

SR39

a

2100

0.000000

0.000000