Environmental Statement Appendix 12.A (6.3.12.1)

GIR Borehole Location Plan and Geological Long Sections

April 2016

Page 1 of 6

THIS PAGE HAS INTENTIONALLY BEEN LEFT BLANK

N

ST03

ST07

ST06ST05

ST02

ST04

BM-S

BM-N

2003-WS104B

2003-101A2003-101B

0+700

0+720

0+740

0+760

0+780

0+800

0+820

0+840

0+860

0+880

0+900

0+920

0+940

0+960

0+980

1+000

1+020

1+040

1+060

1+080

1+100

1+120

1+140

1+160

1+180

1+200

1+220

1+240

1+260

1+280

1+300

1+320

1+340

1+360

1+380

1+400

1+420

1+440

1+460

1+480

1+500

1+520

1+540

1+560

1+580 1+600 1+620 1+640 1+660 1+680 1+700 1+720 1+740 1+760 1+780 1+800

1+820

1+840

1+860

1+880

1+900

1+920

1+940

1+960

1+980

2+000

2+020

2+040

2+060

2+080

2+100

2+120

2+140

2+160

2+180

TU B

H01

Offs

et: 6

.8m

TU B

H02

Offs

et: -

0.3m

G3

Offs

et: -

9.4m

EB

1O

ffset

: 11.

3m

G5

Offs

et: 3

.6m

ET9

Offs

et: 1

1.8m

G9

Offs

et: 7

.5m

G6

Offs

et: -

2.1m

ET5

Offs

et: 0

.0m

2003

-102

Offs

et: 9

.5m

2003

-WS

106

Offs

et: -

19.0

m

2003

-106

Offs

et: 1

9.7m

2003

-WS

102

Offs

et: 1

0.9m

2003

-101

CO

ffset

: 5.7

m

G10

AO

ffset

: 9.3

m

G1B

Offs

et: 1

3.3m

Elevation (m

AO

D)

16251350 1600 1750 1775 1875-55.00

-50.00

-30.00

-40.00

-20.00

-10.00

0.00

10.00

900 925 950 975 1000 1025 1050 1075 1100 1125 1150 1175 1200 1225 1250 1275 1300 1325 1375 1400 14751425 1450 1500 1525 15751550 170016751650 18501725 1800 1825 1900 1925 1950 2000 2100 211975 20752025 21502050 2125

GEOLOGICAL SECTION LEGEND:

MADE GROUND

ALLUVIUM

RIVER TERRACE DEPOSIT

LONDON CLAY

THANET SAND

CHALK

HARWICH FORMATION

READING FORMATION LOWER MOTTLED CLAY

WOOLWICH FORMATION LAMINATED BEDS

WOOLWICH FORMATION LOWER SHELLY CLAY

UPNOR FORMATION

HARDSTANDING

EXISTING GROUND LEVEL

ROAD ALIGNMENT

ZONE OF CORE LOSS

TUNNEL OUTLINE

PLAN LEGEND:

CABLE PERCUSSION

TRIAL PIT / TRENCH

OBSERVATION PIT

ORANGE SYMBOLS DENOTE HOLESUSED ON THE LONG SECTION

LOCATIONPLAN

SAFETY, HEALTH AND ENVIRONMENTALINFORMATION

In addition to the hazards/risks normally associated with the types of workdetailed on this drawing, note the following significant residual risks(Reference shall also be made to the design hazard log).ConstructionGroundwater is contiguous with the tidal River Thames throughout thegeological sequence. High groundwater pressures may be expected at thetunnel face throughout the tunnel drive.Maintenance / CleaningNone

UseNone

Decommissioning / DemolitionNone

Date

Designed / Drawn

Revision

Scale

Drawing Number

Drawing Title

Project TitleDrawing Status

DO

NO

T S

CA

LE

Date Date Date

Checked ApprovedClient

Original Size

Suitability

Mill

imet

res

100

100

A1

Plo

tted:

Apr

26,

201

6 - 5

:48p

m b

y: B

RO

W31

84

Drawn / Des DateCheckedRev Approved

Description

Authorised

Copyright C Atkins Limited (2014)

Woodcote GroveAshley RoadEpsomSurreyKT18 5BW

www.atkinsglobal.com

Tel:Fax:

+44 (0)1372 726140+44 (0)1372 740055

SILVERTOWN TUNNELREFERENCE DESIGN

GEOLOGICAL LONG SECTIONAND LOCATION PLAN

SHEET 1 OF 2

STWTN-ATK-HGT-XXXX-DR-C-0001 P03

S2FOR INFORMATION

AS SHOWN SB

26/04/16

RS

26/04/16

SRM

26/04/16

MRM

26/04/16P03 SB RS SRM 26/04/16

For TfL Review

P02 SB MK MK 25/09/15

For TfL Review

P01 JC FR SRM 19/06/15

Draft

Scale 1:2000

50m 0m 50m 100m LONG SECTION1:2000H 1:500V

CO

NTI

NU

ATI

ON

ON

DW

G S

TWTN

-ATK

-HG

T-X

XX

X-D

R-C

-000

2C

ON

TIN

UA

TIO

N O

N D

WG

STW

TN-A

TK-H

GT-

XX

XX

-DR

-C-0

002

PLAN1:2000

NOTES:

1. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH THE GROUND INVESTIGATION REPORT (GIR)STWTN-ATK-VGT-XXXX-RP-GE-0001.

2. TOPOGRAPHY IS TAKEN FROM THE TOPOGRAPHICAL SURVEY STWTN-ATK-GEN-XXXX-M3-G-0001.3. RIVER BED LEVEL IS TAKEN FROM THE BATHYMETRY SURVEY STWTN-ATK-VTO-XXXX-M3-G-0002.4. GEOLOGICAL DATA USED IN THE THREE DIMENSIONAL (3-D) MODEL (STWTN-ATK-GEN-XXXX-M3-Z-0001)

HAS BEEN SOURCED FROM A NUMBER OF GROUND INVESTIGATION REPORTS, INCLUDINGa. ATKINS, DLR LCY EXTENSION, 1998b. ATKINS, GREENWICH PENINSULA, 2003c. BURO HAPPOLD, LONDON CABLE CAR, JULY 2011d. ATKINS, SILVERTOWN TUNNEL, JUNE 2015

5. THE GEOLOGICAL SECTION SHOWN IS A SLICE THROUGH THE 3-D GROUND MODEL, USING ALL OF THEAVAILABLE DATA, AS LISTED IN NOTE 4. THE BOREHOLES SHOWN ON THE SECTION ARE A SELECTIONALONG THE LINE OF SECTION, FOR ILLUSTRATIVE PURPOSES ONLY. THEY DO NOT REPRESENT THETOTALITY OF DATA USED TO GENERATE THE SECTION.

6. THE GEOLOGICAL SECTION IS TAKEN ALONG THE CENTRE LINE OF THE NORTH TUNNEL.

CROSS PASSAGES OMITTED FOR CLARITY

THIS MAP IS REPRODUCED FROM ORDNANCE SURVEY MATERIAL WITHTHE PERMISSION OF ORDNANCE SURVEY ON BEHALF OF THECONTROLLER OF HER MAJESTY'S STATIONERY OFFICE. © CROWNCOPYRIGHT. UNAUTHORISED REPRODUCTION INFRINGES CROWNCOPYRIGHT AND MAY LEAD TO PROSECUTION OR CIVIL PROCEEDINGS.Licence No. 100018928, 2014

an High Water

y

N

G21

G27

G24ET15

ET13

ET26

ET34ET25

ET33

ET36

ET22ET21

G20

ET18

1602+180

2+200

2+220

2+240

2+260

2+300 2+320

2+360

2+420

2+480

2+500

2+560

2+580

2+600

2+620

2+640

2+660

2+680

2+700

2+720

2+7402+748

NT

DS

02F

Offs

et: -

1.4m

NIT

BH

08O

ffset

: 7.5

m

NT

DS

01O

ffset

: -19

.9m

G17

Offs

et: 1

2.7m

G15

Offs

et: -

19.5

m

EB

4O

ffset

: 8.8

m

G20

Offs

et: -

5.4m

ET1

7O

ffset

: -11

.0m

ET2

4O

ffset

: 3.3

m

ET1

8O

ffset

: -8.

6m

ET3

2O

ffset

: -0.

6m

EB

6O

ffset

: -6.

5m

Ele

vatio

n (m

AO

D)

-55.00

-50.00

-40.00

-30.00

-20.00

-10.00

0.00

10.00

75 2200 2250 22752225 2300 23502325 2375 2400 2425 2450 2475 25252500 2550 2575 2600 2625 2650 2675 2700 2725 2748

GEOLOGICAL SECTION LEGEND:

MADE GROUND

ALLUVIUM

RIVER TERRACE DEPOSIT

LONDON CLAY

THANET SAND

CHALK

HARWICH FORMATION

READING FORMATION LOWER MOTTLED CLAY

WOOLWICH FORMATION LAMINATED BEDS

WOOLWICH FORMATION LOWER SHELLY CLAY

UPNOR FORMATION

HARDSTANDING

EXISTING GROUND LEVEL

ROAD ALIGNMENT

ZONE OF CORE LOSS

TUNNEL OUTLINE

PLAN LEGEND:

CABLE PERCUSSION

TRIAL PIT / TRENCH

OBSERVATION PIT

ORANGE SYMBOLS DENOTE HOLESUSED ON THE LONG SECTION

LOCATIONPLAN

Date

Designed / Drawn

Revision

Scale

Drawing Number

Drawing Title

Project TitleDrawing Status

DO

NO

T S

CA

LE

Date Date Date

Checked ApprovedClient

Original Size

Suitability

Mill

imet

res

100

100

A1

Plo

tted:

Apr

26,

201

6 - 5

:49p

m b

y: B

RO

W31

84

Drawn / Des DateCheckedRev Approved

Description

Authorised

Copyright C Atkins Limited (2014)

Woodcote GroveAshley RoadEpsomSurreyKT18 5BW

www.atkinsglobal.com

Tel:Fax:

+44 (0)1372 726140+44 (0)1372 740055

SILVERTOWN TUNNELREFERENCE DESIGN

GEOLOGICAL LONG SECTIONAND LOCATION PLAN

SHEET 2 OF 2

STWTN-ATK-HGT-XXXX-DR-C-0002 P03

S2FOR INFORMATION

AS SHOWN SB

26/04/16

RS

26/04/16

SRM

26/04/16

MRM

26/04/16P03 SB RS SRM 26/04/16

For TfL Review

P02 SB MK MK 25/09/15

For TfL Review

P01 JC FR SRM 19/06/15

Draft

Scale 1:2000

50m 0m 50m 100m

LONG SECTION1:2000H 1:500V

CO

NTI

NU

ATI

ON

FR

OM

DW

G S

TWTN

-ATK

-HG

T-X

XX

X-D

R-C

-000

1

CONTINUATION FROM DWG STWTN-ATK-HGT-XXXX-DR-C-0001

SAFETY, HEALTH AND ENVIRONMENTALINFORMATION

In addition to the hazards/risks normally associated with the types of workdetailed on this drawing, note the following significant residual risks(Reference shall also be made to the design hazard log).ConstructionGroundwater is contiguous with the tidal River Thames throughout thegeological sequence. High groundwater pressures may be expected at thetunnel face throughout the tunnel drive.Maintenance / CleaningNone

UseNone

Decommissioning / DemolitionNone

NOTES:

1. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH THE GROUND INVESTIGATION REPORT (GIR)STWTN-ATK-VGT-XXXX-RP-GE-0001.

2. TOPOGRAPHY IS TAKEN FROM THE TOPOGRAPHICAL SURVEY STWTN-ATK-GEN-XXXX-M3-G-0001.3. RIVER BED LEVEL IS TAKEN FROM THE BATHYMETRY SURVEY STWTN-ATK-VTO-XXXX-M3-G-0002.4. GEOLOGICAL DATA USED IN THE THREE DIMENSIONAL (3-D) MODEL (STWTN-ATK-GEN-XXXX-M3-Z-0001)

HAS BEEN SOURCED FROM A NUMBER OF GROUND INVESTIGATION REPORTS, INCLUDINGa. ATKINS, DLR LCY EXTENSION, 1998b. ATKINS, GREENWICH PENINSULA, 2003c. BURO HAPPOLD, LONDON CABLE CAR, JULY 2011d. ATKINS, SILVERTOWN TUNNEL, JUNE 2015

5. THE GEOLOGICAL SECTION SHOWN IS A SLICE THROUGH THE 3-D GROUND MODEL, USING ALL OF THEAVAILABLE DATA, AS LISTED IN NOTE 4. THE BOREHOLES SHOWN ON THE SECTION ARE A SELECTIONALONG THE LINE OF SECTION, FOR ILLUSTRATIVE PURPOSES ONLY. THEY DO NOT REPRESENT THETOTALITY OF DATA USED TO GENERATE THE SECTION.

6. THE GEOLOGICAL SECTION IS TAKEN ALONG THE CENTRE LINE OF THE NORTH TUNNEL.

PLAN1:2000

CROSS PASSAGES OMITTED FOR CLARITY

THIS MAP IS REPRODUCED FROM ORDNANCE SURVEY MATERIAL WITHTHE PERMISSION OF ORDNANCE SURVEY ON BEHALF OF THECONTROLLER OF HER MAJESTY'S STATIONERY OFFICE. © CROWNCOPYRIGHT. UNAUTHORISED REPRODUCTION INFRINGES CROWNCOPYRIGHT AND MAY LEAD TO PROSECUTION OR CIVIL PROCEEDINGS.Licence No. 100018928, 2014