The Sizewell C Project · 43 42 4 63 41 64 39 65 41 61 59 47 62 58 6 44 62 43 P9 42 P8 P7 P6 P5 P4 P3 P2 P1 P15 P14 P12 P11 P10 SIZEWELL C PROJECT ENVIRONMENTAL STATEMENT VOLUME 2

May 2020

Planning Act 2008 Infrastructure Planning (Applications: Prescribed Forms and Procedure) Regulations 2009

The Sizewell C Project

6.3

Revision: 1.0

Applicable Regulation: Regulation 5(2)(a)

PINS Reference Number: EN010012

Volume 2 Main Development SiteChapter 19 Groundwater and Surface Water Appendix 19B: Sizewell C Conceptual Site Model of the Hydrogeological Regime Part 5 of 5

0

0.2

0.4

0.6

0.8

1

1.2

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

1.2

01/0

1/20

19

26/0

1/20

19

20/0

2/20

19

17/0

3/20

19

11/0

4/20

19

06/0

5/20

19

31/0

5/20

19

Daily

Rai

nfal

l mm

Aver

age

Hour

ly W

ater

Leve

l mAO

D

Chart 7E: Groundwater Levels Within C3 Boreholes and Neighbouring Peat Piezometers, 2019

P10

P13

C3S

C3D

No Rainfall Data

This Chart supersedes Chart 8 in the 2015 CSM Report

0

0.2

0.4

0.6

0.8

1

1.2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

01/0

1/20

19

26/0

1/20

19

20/0

2/20

19

17/0

3/20

19

11/0

4/20

19

06/0

5/20

19

31/0

5/20

19

Daily

Rai

nfal

l mm

Aver

age

Hour

ly W

ater

Leve

l mAO

D

Chart 8E: Groundwater Levels Within C4 Boreholes and Neighbouring Peat Piezometers, 2019

P12

C4S

C4D

No Rainfall Data

P9

P8

P7

P6

P5

P4

P3 P2

P1

P15

P14

P12

P11

P10

0.7

0.6

0.67

0.68

0.660.69

0.71

0.65

0.64

0.62

0.63

0.61

0.59

0.72

0.58

0.73

0.57

0.73

SIZEWELL C PROJECTENVIRONMENTAL STATEMENTVOLUME 2CHAPTER 19B1GROUNDWATER AND SURFACE WATER APPENDIXB1

FIGURE 19B 1.1

0 0.04 0.08 0.12 0.16 0.2KM

Project Title:

DRAWING TITLE:

DRAWING NO:

DATE: DRAWN: SCALE :

JAN 2020 S.R.HSCALE BAR

Reproduced from Ordnance Survey map with the permission ofOrdnance Survey on behalf of the controller of Her Majesty'sStationery Office © Crown Copyright (2019). All Rightsreserved. NNB GenCo 0100060408.

1:4,000 @A3

2013 PEAT PIEZOMETERS

WATER LEVEL IN PEAT MONITORINGBOREHOLES (MAOD)

GROUNDWATER IN PEAT DEPOSITS DURINGPUMPING AT MINSMERE SLUICE (07/01/2014)

© Copyright 2020 NNB Generation Company (SZC) Limited. No part of this drawingis to be reproduced without prior permission of NNB Generation Company (SZC) Limited.

COPYRIGHT

NOT PROTECTIVELY MARKED

GROUNDWATER FLOW DIRECTION

KEY

EXTENT OF THE PEAT DEPOSITS.PEAT CONTOURS ARE CONSTRAINED TO THE

5129919/SZC/201 IN THE 2015 CSM REPORTTHIS FIGURE SUPERSEDES DRAWINGNOTES

5 5

P9

P8

P7

P6

P5

P4

P3 P2

P1

P15

P14

P12

P11

P10

0.5

0.52

0.6

0.51

0.49

0.48

0.53

0.47

0.54

0.46

0.55

0.45

0.56

0.57

0.58

0.44

0.43

0.590.

610.

620.

630.

64

0.65

0.42

0.66

0.410.4

0.50.41

0.59

0.52

0.58

0.51

0.42

0.52 0.41

SIZEWELL C PROJECTENVIRONMENTAL STATEMENTVOLUME 2CHAPTER 19B1GROUNDWATER AND SURFACE WATER APPENDIXB1

FIGURE 19B 1.2

0 0.04 0.08 0.12 0.16 0.2KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:4,000 @A3

2013 PEAT PIEZOMETERS

WATER LEVEL IN PEAT MONITORINGBOREHOLES (MAOD)

GROUNDWATER IN PEAT DEPOSITS POSTPUMPING AT MINSMERE SLUICE (01/06/2014)


COPYRIGHT



KEY

EXTENT OF THE PEAT DEPOSITS.PEAT CONTOURS ARE CONSTRAINED TO THE

55129919/SZC/202 IN THE 20155 CSM REPORTTHIS FIGURE SUPERSEDES DRAWINGNOTES

C4 (S&D)

C3 (S&D)

C2 (S&D)

C1 (S&D)

GW3

GW2

PZ8PZ7 PZ6

PZ5

PZ3

PZ2

GW20

PZ21

PZ20

PZ19 PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ18 & GW6S

1

2

0.9

1.11.

2

1.3

1.41.

5

1.8

1.6

1.7

1.9

0.8

0.7

2.1

0.71.3

1.8

1.4

1.7

1 1.51.3

0.9

1.2

1.1

1.6

SIZEWELL C PROJECTENVIRONMENTAL STATEMENTVOLUME 2CHAPTER 19B1GROUNDWATER AND SURFACE WATER APPENDIX B1

FIGURE 19B 1.3

0 0.08 0.16 0.24 0.32 0.4KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:8,079 @A3

2013 BHs with loggers


WATER LEVEL IN CRAG MONITORINGBOREHOLES (MAOD)

KEY

NOTES

GROUNDWATER CONTOURS IN CRAG AQUIFERDURING STORM SURGE (06/12/2013)


COPYRIGHT


TextTextText


55129919/SZC/203 IN THE 20155 CSM REPORT

THIS FIGURE SUPERSEDES DRAWING

C4 (S&D)

C3 (S&D)

C2 (S&D)

C1 (S&D)

GW3

GW2

PZ8PZ7 PZ6

PZ5

PZ3

PZ2

GW20

PZ21

PZ20

PZ19 PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ18 & GW6S

1

2 0.7

0.8

0.9

1.1

1.21.

3

1.41.5

1.6

1.9

1.7

1.8

0.6

0.5

2.1

0.7


FIGURE 19B 1.4

0 0.085 0.17 0.255 0.34 0.425KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:8,653 @A3




KEY

NOTES

GROUNDWATER CONTOURS IN CRAG AQUIFERDURING NORMAL CONDITIONS (11/06/2014)


COPYRIGHT





C4 (S&D)

C3 (S&D)

C2 (S&D)

C1 (S&D)

GW3

GW2

PZ8PZ7 PZ6

PZ5

PZ3

PZ2

GW20

PZ21

PZ20

PZ19 PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ18 & GW6S

1

2

0.8

0.9

1.11.

21.3

1.4

1.5

1.9

1.6

1.71.8

0.7

2.1

0.6

0.8

0.6


FIGURE 19B 1.5

0 0.085 0.17 0.255 0.34 0.425KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:8,657 @A3




GROUNDWATER CONTOURS IN CRAG AQUIFERDURING PUMPING AT SLUICE (28/02/2014)


COPYRIGHT



5

KEY

REPORTTHIS FIGURE SUPERSEDES DRAWINGNOTES

5129919/SZC/20 5 IN THE 20155 CSM

BP23

BDG1A

C4 (S&D)

C3 (S&D)

C2 (S&D)

C1 (S&D)

GW3

GW2

PZ8PZ7 PZ6

PZ5

PZ3

PZ2

GW20

PZ21

PZ20

PZ19 PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ18 & GW6S

1

1.1

1.2

1.3

1.7

1.6

1.4

1.5

1.8

0.9

0.8

1.9

2

0.7 0.6

2.1

0.9SIZEWELL C PROJECTENVIRONMENTAL STATEMENTVOLUME 2CHAPTER 19B1GROUNDWATER AND SURFACE WATER APPENDIX B1

FIGURE 19B 1.6

0 0.085 0.17 0.255 0.34 0.425KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:8,653 @A3

2014 BHs WITH LOGGERS




KEY

NOTES

GROUNDWATER CONTOURS IN CRAG AQUIFERDURING MID TIDAL CYCLE (14/10/2014)


COPYRIGHT





C4 (S&D)

C3 (S&D)

C2 (S&D)

C1 (S&D)

GW3

GW2

PZ8PZ7 PZ6

PZ5

PZ3

PZ2

GW20

PZ21

PZ20

PZ19 PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ18 & GW6S

1

1.4

1.5

1.3

1.6

1.7

1.2

1.8

2

1.1

1.9

1.15

1.45

1.35

1.55

1.65

1.25

1.75

1.85

0.9

1.05

1.95

0.85

0.95

0.8

2.05

2.1

0.751

1.051.1

1.1

0.95


FIGURE 19B 1.7

0 0.085 0.17 0.255 0.34 0.425KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:8,650 @A3

2014 BHs with

2013 BHs with

2010 BHs with


KEY

NOTES

GROUNDWATER CONTOURS IN CRAG AQUIFERDURING LOW TIDE (09/12/2014)


COPYRIGHT





C4 (S&D)

C3 (S&D)

C2 (S&D)

C1 (S&D)

GW3

GW2

PZ8PZ7 PZ6

PZ5

PZ3

PZ2

GW20

PZ21

PZ20

PZ19 PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ18 & GW6S

1

2

1.21.

4

1.5

1.6

1.3

1.8 1.7

1.9

1.1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

2.1

1

0.8

1.1

0.90.7


FIGURE 19B 1.8

0 0.085 0.17 0.255 0.34 0.425KM

Project Title:

DRAWING TITLE:

DRAWING NO:




1:8,650 @A3

2014 BHs with

2013 BHs with

2010 BHs with


KEY

NOTES

GROUNDWATER CONTOURS IN CRAG AQUIFERDURING HIGH TIDE (09/12/2014)


COPYRIGHT





GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S

1

1.1

1.2

1.3

1.4

1.5

1.6

0.9

1.7

1.8

0.8

2

1.9

0.70.

6

2.1 0.7


FIGURE 19B 1.9

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

GROUNDWATER CRAG CONTOURS(MAOD) - SUMMER 2015

KEY

NOTES


COPYRIGHT



PEAT CONTOURS ARE CONSTRAINED TO THEEXTENT OF THE PEAT DEPOSITS

DURING SUMMER 2015 (01/06/2015)GROUNDWATER CONTOURS IN CRAG AQUIFERDRAWING TITLE:

GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S

1

1.6

1.5

1.1

1.2

1.3

1.4

0.9

1.7

1.8

0.8 0.7

1.9

2

0.8


FIGURE 19B 1.10

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

GROUNDWATER CRAG CONTOURS(MAOD) - WINTER 2015

KEY

NOTES


COPYRIGHT




DURING WINTER 2015 (09/12/2015)GROUNDWATER CONTOURS IN CRAG AQUIFERDRAWING TITLE:

GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

GR11

CPB_BP_11

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S

1

1.2 1.1

1.3

1.6

1.4

1.5

0.9

1.7

0.8

0.7

0.6

1.8

0.50.4

1.9

0.70.8

0.9

0.7


FIGURE 19B 1.11

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

2015 BOREHOLES


KEY

NOTES


COPYRIGHT





GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

GR11

CPB_BP_11

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S


FIGURE 19B 1.12

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

2015 BOREHOLES


KEY

NOTES


COPYRIGHT





GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

GR11

CPB_BP_11

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S

2

1

1.9

1.8

1.7

1.6 1.4

1.5

0.8

1.3

2.1

1.2

0.9

1.1

2.2

0.7

2.3

2.4

0.6

2.5

0.5

2.6

0.4

2.72.8

0.6

0.7


FIGURE 19B 1.13

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

2015 BOREHOLES


KEY

NOTES


COPYRIGHT





GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

GR11

CPB_BP_11

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S


FIGURE 19B 1.14

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

2015 BOREHOLES


KEY

NOTES


COPYRIGHT





GW3

GW2

PZ8PZ7 PZ6

PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

GR11

CPB_BP_11

BDG1

BP23

C4 D

C4 S

C3 D

C3 S

C2 D

C2 S

C1 D

C1 S


FIGURE 19B 1.15

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:




1:10,103 @A3

2010 BOREHOLES

2013 BOREHOLES

2014 BOREHOLES

2015 BOREHOLES


KEY

NOTES


COPYRIGHT





GW3

GW2

PZ8PZ7 PZ6PZ5

GW20

PZ21

PZ20

PZ19

PZ18

PZ17

PZ16

PZ15

PZ14

PZ13

PZ11PZ10

PZ 3

PZ 2

GR11

CPB_BP_11

BDG1

BP23

C4 DC4 S

C3 DC3 S

C2 DC2 S

C1 DC1 S

2

1

1.9

1.81.7

1.4

1.6

1.5

1.3

1.2

1.1

2.1

2.22.32.4

0.8

0.9

2.52.6

2.7

0.7

1.2

1

1

1.1


FIGURE 19B 1.16

0 0.1 0.2 0.3 0.4 0.5KM

Project Title:

DRAWING NO:

DATE: DRAWN: SCALE :JAN 2020 S.R.HSCALE BAR


1:10,103 @A3

2010 BOREHOLES2013 BOREHOLES2014 BOREHOLES2015 BOREHOLESGROUNDWATER CRAG CONTOURS(MAOD) - WINTER 2018

KEY

NOTES


COPYRIGHTNOT PROTECTIVELY MARKED




0.5

0.6

0.48

0.46

0.52

0.540.56

0.58

0.44

0.42

0.62

0.64

0.4

0.66

0.680.7

0.38

0.36

0.34

0.32

0.72

0.480.64

0.58

0.62

0.56

0.66

P9

P8

P7

P6

P5

P4

P3P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.17

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES

GROUNDWATER PEAT CONTOURS(MAOD) - WINTER 2015

KEY

NOTES


COPYRIGHT




DURING WINTER 2015 (09/12/2015)GROUNDWATER CONTOURS IN PEAT AQUIFERDRAWING TITLE:

0.5

0.460.48

0.44

0.52

0.54

0.6

0.56

0.4

0.58

0.420.38

0.62

0.64

0.36

0.66

0.34

0.68

0.7

0.5

0.560.

42

0.46

0.54

P9 P8

P7

P6

P5

P4

P3P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.18

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES

GROUNDWATER PEAT CONTOURS(MAOD) - SUMMER 2016

KEY

NOTES


COPYRIGHT




DURING SUMMER 2016 (01/06/2016)GROUNDWATER CONTOURS IN PEAT AQUIFERDRAWING TITLE:

0.5

0.47

0.48

0.490.

46

0.6 0.51

0.52

0.530.55

0.54

0.56

0.57

0.45

0.580.590.61

0.44

0.62

0.430.42

0.4

0.63

0.41

0.64

0.39

0.65

0.41

0.61

0.59

0.47

0.620.58

0.6

0.44

0.62

0.43

0.42

P9

P8

P7

P6

P5

P4

P3P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.19

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES


KEY

NOTES


COPYRIGHT





0.3

0.4

0.44

0.32

0.34

0.360.38

0.42

0.46

0.48

0.28

0.260.24

0.2

0.22

0.5 0.18

0.16

0.28

0.28

0.260.24

0.26

P9

P8

P7

P6

P5

P4

P3P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.20

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES


KEY

NOTES


COPYRIGHT





0.5

0.56

0.6

0.54

0.52

0.58

0.46

0.480.44

0.62

0.42

0.4

0.64

0.380.36

0.46

P9

P8

P7

P6

P5

P4

P3P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.21

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES


KEY

NOTES


COPYRIGHT





0.4

0.440.46

0.36

0.34

0.38

0.42

0.30.32

0.28

0.48

0.26

0.5

0.24

0.22

0.2

0.34

P9

P8

P7

P6

P5

P4

P3P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.22

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES


KEY

NOTES


COPYRIGHT





0.6

0.7

0.67

0.680.66

0.69

0.59

0.65

0.58

0.61

0.64

0.620.63

0.57

0.710.72

0.56

0.55

0.73

0.54

0.74

0.570.56

P9

P8

P7

P6

P5

P4

P3 P2

P1

P15

P14

P12

P11

P10


FIGURE 19B 1.23

0 0.03 0.06 0.09 0.12 0.15KM

Project Title:

DRAWING NO:




1:3,357 @A3

2013 PEAT BOREHOLES


KEY

NOTES


COPYRIGHT





Sea

SeaSea

Fresh

Fresh Fresh

Mixing

0

100

00

00

00

0

100

100

100100100

100

100

Plot 1: Crag Water Quality 2015 to 2019

Sea

SeaSea

Fresh

Fresh Fresh

Mixing

100

00

00

00

0

100

100

100100100

100

100

0

Plot 2: Made Ground Water Quality 2015 to 2019

Sea

SeaSea

Fresh

Fresh Fresh

Mixing

Sea

SSea

Fresh

resh Fresh

MixingM gg

0

Plot 3: Peat Water Quality 2015 to 2019

Sea

SeaSea

Fresh

Fresh Fresh

Mixing

Sea

SeSea

Fresh

resh Fresh

MixingM gg

0

Plot 4: Surface Water Quality 2015 to 2019

Documents

The Sizewell C Project · 43 42 4 63 41 64 39 65 41 61 59 47 62 58 6 44 62 43 P9 42 P8 P7 P6 P5 P4 P3 P2 P1 P15 P14 P12 P11 P10 SIZEWELL C PROJECT ENVIRONMENTAL STATEMENT VOLUME 2