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Page 1: ta7510 - report on a ground investigation for sivertown tunnel
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Page 31: ta7510 - report on a ground investigation for sivertown tunnel

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Page 73: ta7510 - report on a ground investigation for sivertown tunnel

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Page 246: ta7510 - report on a ground investigation for sivertown tunnel

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ES 2 1

ES 4 1

ES 30 1

ES 1 1

ES 3 1

ES 5 1

ES 10 1

ES 13 1

ES 16 1

ES 19 1

ES 25 1

ES 30 1

ES 34 1

ES 39 1

ES 45 1

ES 48 1

ES 9 1

ES 1 1

ES 3 1

ES 5 1

ES 9 1

ES 12 1

ES 15 1

ES 16 1

ES 17 1

ES 18 1

ES 26 1

ES 31 1

ES 36 1

ES 41 1

ES 44 1

ES 3 1

ES 5 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

23/02/2015 16/06/2015

N/R

EB3A 13.40 2014-12-11 4.7 N/R

EB4 0.30 2015-01-22 <0.1 N/R

EB4 0.55 2015-01-22 <0.1 N/R

ian.harman samantha.finch

EB3A 1.00 2014-11-28 110.0 N/R

EB3A 2.00 2014-11-28 50.0 N/R

N/R

EB3A 4.80 2014-12-10 11.2 N/R

EB2 3.30 2014-12-12 7.2 N/R

EB2 3.70 2014-12-12 0.2 N/R

EB2 4.70 2014-12-12 0.8 N/R

EB2 1.00 2014-12-18 <0.1 N/R

EB2 1.50 2014-12-12 6.7 N/R

EB2 2.30 2014-12-12 5.4 N/R

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

EB1

EB1

EB1

EB2

EB2

0.30

1.00

10.50

0.30

0.50

2015-01-28

2015-01-28

2015-01-22

2014-12-18

2014-12-18

<0.1

<0.1

<0.1

<0.1

<0.1

N/R

N/R

N/R

Project Name Silvertown Tunnel Photo Ionisation

ResultsProject No. TA7510

Engineer Atkins Ltd

MiniRae2000

Client Atkins Ltd

MiniRaeLite

RemarksPID Device

Type

MiniRaeLite

MiniRaeLite

Table No.

SE-EMS-F-001 2.00 Issue Date 19/02/2015

MiniRae2000

MiniRae2000

MiniRae2000

MiniRaeLiteN/R

MiniRaeLite

MiniRaeLite

N/R

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLite

EB2 6.70 2014-12-12 <0.1 N/R

EB2 8.70 2014-12-15 <0.1

MiniRaeLite

N/R

EB2 10.70 2014-12-15 1.1 N/R

EB2 12.70 2014-12-15 0.3 N/R

MiniRaeLite

MiniRae2000

MiniRae2000

EB3 1.80 2014-11-28 830.0 N/R

EB3A 0.30 2014-11-28 140.0

MiniRae2000

EB2 13.50 2014-12-15 <0.1 N/R

N/R

EB3A 0.50 2014-11-28 590.0 N/R

MiniRae2000

MiniRae2000

MiniRae2000

EB3A 3.00 2014-11-28 290.0 N/R

EB3A 4.00 2014-11-28 190.0 N/R

MiniRaeLite

MiniRaeLite

EB3A 4.00 2014-12-10 6.4 N/R

EB3A 4.80 2014-12-10 16.7

MiniRaeLite

MiniRaeLiteEB3A 7.00 2014-12-11 7.5 N/R

MiniRaeLite

MiniRaeLite

MiniRaeLite

EB3A 10.50 2014-12-11 8.5 N/R

EB3A 12.50 2014-12-11 26.7

MiniRaeLite

EB3A 8.50 2014-12-11 5.3 N/R

MiniRae2000

MiniRae2000

4

Part of the Bachy Soletanche Group

Page 312: ta7510 - report on a ground investigation for sivertown tunnel

ES 8 1

ES 12 1

ES 14 1

ES 20 1

ES 27 1

ES 32 1

ES 29 1

ES 5 1

ES 11 1

ES 16 1

ES 23 1

ES 24 1

ES 25 1

ES 29 1

ES 36 1

ES 37 1

ES 43 1

ES 1 1

ES 4 1

ES 10 1

ES 14 1

ES 19 1

ES 26 1

ES 30 1

ES 33 1

ES 36 1

ES 6 1

ES 7 1

ES 8 1

ES 9 1

ES 10 1

ES 1 1

ES 3 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

N/R

EB7 2.00 2014-12-19 1.1 N/R

N/R

N/R

EB6 6.00 2014-11-17 <0.1 N/R

EB6 8.00 2014-11-17 <0.1 N/R

N/R

EB7 0.50 2014-12-19 13.8 N/R

<0.1 N/R

EB5 1.00 2014-12-11 3.3 N/R

N/R

EB5 9.70 2014-12-15 <0.1 N/R

EB5 3.00 2014-12-11 343.0 N/R

EB5 5.00 2014-12-12 <0.1 N/R

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

EB4 1.10 2015-01-22 <0.1 N/R

EB4 2.10 2015-01-22 <0.1 N/R

EB4 2.50 2015-01-22 <0.1 N/R

TA7510

Engineer Atkins Ltd

Photo Ionisation

Results

2.00

Client Atkins Ltd

Project Name Silvertown Tunnel

Project No.

SE-EMS-F-001 Issue Date 19/02/2015

EB4 4.50 2015-01-22

RemarksPID Device

Type

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000

MiniRaeLite

MiniRaeLite

MiniRaeLite

<0.1 N/R

EB4 6.50 2015-01-22 <0.1

MiniRae2000

MiniRae2000

MiniRaeLite

MiniRaeLiteEB5 2.00 2014-12-11 8.3 N/R

N/R

EB4 8.50 2015-01-22 <0.1 N/R

EB4 10.70 2015-01-22

MiniRaeLite

MiniRaeLite

EB5 5.50 2014-12-12 <0.1 N/R

EB5 6.00 2014-12-12 <0.1 N/R

MiniRaeLite

EB5 7.00 2014-12-12 12.3 N/R

EB5 9.00 2014-12-15 <0.1

MiniRaeLite

MiniRaeLite

MiniRae2000

EB5 12.00 2014-12-15 <0.1 N/R

EB6 0.30 2014-11-17 <0.1 N/R

MiniRae2000EB6 1.00 2014-11-17 <0.1 N/R

MiniRae2000

MiniRae2000

EB6 2.00 2014-11-17 <0.1 N/R

EB6 3.00 2014-11-17 <0.1 N/R

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000EB6 10.00 2014-11-17 <0.1 N/R

MiniRae2000

MiniRaeLite

EB6 11.30 2014-11-17 <0.1 N/R

EB7 0.30 2014-12-19 3.0

EB6 4.00 2014-11-17 <0.1

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLiteEB7 2.50 2014-12-19 1.1 N/R

MiniRae2000

MiniRae2000

ET1 0.30 2015-01-27 <0.1 N/R

ET1 0.50 2015-01-27 <0.1

EB7 1.00 2014-12-19 1.9

Table No.

4

Page 313: ta7510 - report on a ground investigation for sivertown tunnel

ES 5 1

ES 7 1

ES 9 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 10 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 10 1

ES 1 1

ES 3 1

ES 3 2

ES 5 1

ES 5 2

ES 8 1

ES 10 1

ES 12 1

ES 12 2

ES 2 1

ES 4 1

ES 6 1

ES 8 1

ES 10 1

ES 1 1

ES 4 1

ES 6 1

ES 1 1

ES 3 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

N/R

N/R

N/R

ET17 0.30 2014-11-20 <0.1 N/R

ET17 0.80 2014-11-20 <0.1 N/R

2014-11-20 <0.1 N/R

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET18 0.50 2014-11-20 <0.1 N/R

ET12 1.00 2014-11-28 17.0 N/R

ET12 4.00 2014-11-28 176.0 N/R

N/R

ET16 0.50 2014-11-19 <0.1 N/R

N/R

ET11 1.00 2014-11-26 <0.1 N/R

ET11 2.00 2014-11-26 <0.1 N/R

N/R

ET12 1.00 2014-11-26 <0.1 N/R

ET1 1.00 2015-01-27 <0.1 N/R MiniRae2000

N/R

ET10 0.50 2014-11-26 <0.1 N/R

ET10 0.80 2014-11-26 <0.1 N/R

MiniRae2000ET1 1.50 2015-01-27 <0.1 N/R

MiniRae2000

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

SE-EMS-F-001 Issue Date2.00 19/02/2015

Atkins Ltd

Project No. TA7510

Engineer Atkins Ltd

Photo Ionisation

Results

Project Name Silvertown Tunnel

Client

RemarksPID Device

Type

MiniRae2000

ET1 2.00 2015-01-27 <0.1 N/R

ET10 0.30 2014-11-26 <0.1

MiniRae2000

MiniRae2000

MiniRae2000ET10 1.00 2014-11-26 <0.1 N/R

MiniRae2000ET10 2.00 2014-11-26 <0.1 N/R

MiniRae2000

MiniRae2000

ET11 0.30 2014-11-26 <0.1 N/R

ET11 0.50 2014-11-26 <0.1 N/R

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET11 2.00 2014-11-27 <0.1 N/R

MiniRae2000

MiniRae2000

ET12 0.30 2014-11-26 <0.1 N/R

ET12 0.80 2014-11-26 <0.1

ET11 0.80 2014-11-26 <0.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET12 2.00 2014-11-26 <0.1 N/R

MiniRae2000

MiniRae2000

ET12 3.00 2014-11-26 <0.1 N/R

ET12 4.00 2014-11-26 <0.1

ET12 0.80 2014-11-28 49.0

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET16 1.00 2014-11-19 <0.1 N/R

MiniRae2000

MiniRae2000

ET16 1.50 2014-11-19 <0.1 N/R

ET16 2.00 2014-11-19 <0.1

ET16 0.30 2014-11-19 <0.1

MiniRae2000

ET17 1.00 2014-11-20 <0.1 N/R

ET18 0.80

Table No.

4

Page 314: ta7510 - report on a ground investigation for sivertown tunnel

ES 5 1

ES 8 1

ES 10 1

ES 12 1

ES 1 1

ES 3 1

ES 4 1

ES 6 1

ES 1 1

ES 3 1

ES 5 1

ES 8 1

ES 10 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 15 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

N/R

N/R

N/R

N/R

N/R

ET29 1.00 2014-12-16 <0.1 N/R

ET29 2.00 2014-12-16 <0.1 N/R

Part of the Bachy Soletanche Group

N/R

ET28 2.00 2015-01-19 <0.1 N/R

ET28 2.50 2015-01-19 <0.1 N/R

ET28 3.00 2015-01-19 <0.1 N/R

N/R

ET24 1.00 2014-12-12 2.8 N/R

ET27 1.00 2015-01-27 <0.1 N/R

ET27 1.50 2015-01-27 <0.1 N/R

N/R

ET20 0.50 2014-11-21 <0.1 N/R

ET20 0.80 2014-11-21 <0.1 N/R

ET24 0.30 2014-12-12 1.1 N/R

ET18 2.00 2014-11-20 <0.1 N/R

ET18 3.00 2014-11-20 <0.1 N/R

ET18 4.00 2014-11-20 <0.1 N/R

Project No. TA7510

Silvertown Tunnel

SE-EMS-F-001 Issue Date 19/02/20152.00

Remarks

MiniRae2000

MiniRae2000

MiniRae2000

Engineer Atkins Ltd

Client Atkins Ltd

Photo Ionisation

Results

Project Name

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

ET18 1.00 2014-11-20 <0.1 N/R

MiniRae2000

MiniRae2000ET19 0.30 2014-11-17 <0.1 N/R

MiniRae2000

MiniRae2000

ET19 0.80 2014-11-17 <0.1 N/R

ET19 1.00 2014-11-17 <0.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET20 1.00 2014-11-21 <0.1 N/R

MiniRae2000

MiniRae2000

ET20 2.00 2014-11-21 <0.1 N/R

ET20 3.00 2014-11-21 <0.1

ET19 2.00 2014-11-17 <0.1

Possible moisture interference

on probeMiniRaeLite

Possible moisture interference

on probeMiniRaeLite

Possible moisture interference

on probeMiniRaeLite

Possible moisture interference

on probeMiniRaeLiteET24 2.00 2014-12-12 0.8 N/R

MiniRae2000

MiniRae2000

ET27 0.30 2015-01-27 <0.1 N/R

ET27 0.50 2015-01-27 <0.1

ET24 0.50 2014-12-12 3.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET28 0.50 2015-01-19 0.9 N/R

MiniRae2000

MiniRae2000

ET28 1.00 2015-01-19 <0.1 N/R

ET28 1.50 2015-01-19 <0.1

ET28 0.30 2015-01-19 <0.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET28 3.50 2015-01-19 <0.1 N/R

MiniRaeLite

MiniRaeLite

ET29 0.30 2014-12-16 1.6 N/R

ET29 0.50 2014-12-16 4.0

MiniRaeLite

MiniRaeLite

Table No.

4

PID Device

Type

Page 315: ta7510 - report on a ground investigation for sivertown tunnel

ES 9 1

ES 11 1

ES 13 1

ES 1 1

ES 3 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 15 1

ES 1 1

Checked By: Approved By:

Date: Date:

Form No. Revision No. 2.00 19/02/2015

N/R

ET35 3.00 2015-01-28 <0.1 N/R

N/R

ET4 0.30 2015-01-27 <0.1 N/R MiniRae2000

SE-EMS-F-001 Issue Date

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

N/R

ET32 3.00 2014-12-10 6.4 N/R

ET32 4.00 2014-12-10 3.9 N/R

N/R

ET35 2.00 2015-01-28 <0.1 N/R

2014-12-16 <0.1 N/R

ET29 3.80 2014-12-16 <0.1 N/R

ET3 0.30 2015-01-28 <0.1 N/R

N/R

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather Remarks

Client

PID Device

Type

Atkins Ltd

Project Name Silvertown Tunnel

Project No. TA7510

Engineer Atkins Ltd

Photo Ionisation

Results

MiniRae2000

MiniRae2000

ET30 0.50 2015-01-19

ET30 1.50 2015-01-19 1.8 N/R

ET30 2.00 2015-01-19 1.0 N/R

ET30

29.3 N/R

ET30 1.00 2015-01-19 3.9

MiniRaeLite

Table No.

4

MiniRaeLite

MiniRaeLite

MiniRae2000

MiniRae2000

ET3 0.50 2015-01-28 <0.1 N/R

ET30 0.30 2015-01-19 7.1 N/R

MiniRae2000

ET29 3.00 2014-12-16 <0.1 N/R

ET29 3.60

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET30 3.00 2015-01-19 <0.1 N/R

2.50 2015-01-19 <0.1 N/R

MiniRaeLite

MiniRaeLite

ET31 0.30 2014-12-10 1.0 N/R

ET31 0.50 2014-12-10 1.2

MiniRaeLite

MiniRaeLite

N/R

ET31 1.00 2014-12-10 1.0 N/R

ET31 2.00 2014-12-10 2.9 N/R

MiniRaeLite

MiniRaeLiteET31 4.00 2014-12-10 2.5 N/R

MiniRaeLite

MiniRaeLite

ET32 0.30 2014-12-10 1.4 N/R

ET32 1.00 2014-12-10 1.0

ET31 3.00 2014-12-10 1.1 N/R

N/R

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLiteET32 4.80 2014-12-10 1.3 N/R

MiniRae2000

MiniRae2000

ET35 0.50 2015-01-28 <0.1 N/R

ET35 1.00 2015-01-28 <0.1

ET32 2.00 2014-12-10 6.4

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET35 3.50 2015-01-28 <0.1 N/R

MiniRae2000

MiniRae2000

ET35 4.00 2015-01-28 <0.1 N/R

ET35 4.50 2015-01-28 <0.1

ET35 2.50 2015-01-28 <0.1

Page 316: ta7510 - report on a ground investigation for sivertown tunnel

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 15 1

ES 17 1

ES 19 1

ES 1 1

ES 3 1

ES 5 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

ES 9 1

ES 11 1

ES 13 1

ES 3 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

G1 0.30 2015-01-28 <0.1 N/R

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

MiniRae2000

MiniRae2000

ET9 0.30 2014-11-25 <0.1 N/R

ET9 0.50 2014-11-25 <0.1 N/R

N/R

N/R

ET9 4.00 2014-11-25 <0.1 N/R

N/R

ET8A 0.50 2014-12-05 <0.1 N/R

N/R

ET8A 1.70 2014-12-05 <0.1 N/R

N/R

ET4 1.50 2015-01-27 <0.1 N/R

N/R

ET6 1.50 2015-01-27 <0.1 N/R

ET6 2.00 2015-01-27 <0.1 N/R

Client Atkins Ltd

Photo Ionisation

Results

Project Name Silvertown Tunnel

ET4 0.50 2015-01-27 <0.1 N/R MiniRae2000

Project No. TA7510

Table No.

4

Engineer Atkins Ltd

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000

ET4 2.00 2015-01-27 <0.1 N/R

ET4 2.50 2015-01-27 <0.1 N/R

RemarksPID Device

TypeHole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

ET4 1.00 2015-01-27 <0.1 N/R

MiniRae2000

MiniRae2000

ET4 3.00 2015-01-27 <0.1 N/R

ET4 3.50 2015-01-27 <0.1

MiniRae2000

MiniRae2000

N/R

ET4 4.00 2015-01-27 <0.1 N/R

ET4 4.50 2015-01-27 <0.1 N/R

MiniRaeLite

MiniRaeLiteET5 0.50 2014-12-19 <0.1 N/R

MiniRaeLite

MiniRae2000

ET5 0.75 2014-12-19 <0.1 N/R

ET6 0.50 2015-01-27 <0.1

ET5 0.30 2014-12-19 <0.1 N/R

N/R

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET6 2.50 2015-01-27 <0.1 N/R

MiniRae2000

MiniRaeLite

ET6 3.00 2015-01-27 <0.1 N/R

ET8A 0.30 2014-12-05 <0.1

ET6 1.00 2015-01-27 <0.1

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLiteET8A 1.90 2014-12-05 <0.1 N/R

MiniRaeLite

MiniRaeLite

ET8A 2.90 2014-12-05 <0.1 N/R

ET8A 3.50 2014-12-05 <0.1

ET8A 1.00 2014-12-05 <0.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000ET9 1.00 2014-11-25 0.2 N/R

MiniRae2000

MiniRae2000

ET9 2.00 2014-11-25 <0.1 N/R

ET9 3.00 2014-11-25 <0.1

ET9 0.80 2014-11-25 <0.1

19/02/2015SE-EMS-F-001 Issue Date2.00

Page 317: ta7510 - report on a ground investigation for sivertown tunnel

ES 8 1

ES 12 1

ES 1 1

ES 3 1

ES 5 1

ES 7 1

B 2 1

B 7 1

B 11 1

ES 10 1

B 14 1

B 18 1

B 23 1

B 30 1

B 32 1

ES 55 1

B 82 1

B 86 1

B 93 1

ES 53 1

ES 3 1

ES 6 1

ES 9 1

ES 14 1

ES 55 1

ES 1 1

ES 1 2

ES 3 1

ES 3 1

ES 5 1

ES 5 1

ES 11 1

ES 14 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

G17 3.00 2014-12-09 1.0 N/R

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche GroupSE-EMS-F-001

N/R

N/R

G17 0.30 2014-12-09 <0.1 N/R

G17 0.50 2014-12-05 0.4 N/R

G17 0.50 2014-12-09 <0.1 N/R

N/R

G10A 28.00 2015-01-20 0.3 N/R

N/R

G16 0.40 2015-01-19 0.8 N/R

G16 1.00 2015-01-19 <0.1 N/R

N/R

G10A 3.50 2015-01-28 300.0 N/R

G10A 4.50 2015-01-20 1.9 N/R

N/R

G10A 11.00 2015-01-20 0.2 N/R

G1 2.00 2015-01-28 <0.1 N/R

G10 0.30 2014-12-02 1.2 N/R

G10 0.50 2014-12-02 1.6 N/R

Client Atkins Ltd

Project No. TA7510

Engineer Atkins Ltd

Issue Date2.00 19/02/2015

MiniRae2000

RemarksPID Device

Type

Silvertown Tunnel

Table No.

4

MiniRae2000

Possible moisture interference

on readingsMiniRaeLite

Possible moisture interference

on readingsMiniRaeLite

Photo Ionisation

Results

Project Name

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

G1 1.00 2015-01-28 <0.1 N/R

Possible moisture interference

on readingsMiniRaeLite

Possible moisture interference

on readingsMiniRaeLite

MiniRae2000

MiniRae2000

G10A 0.50 2015-01-20 <0.1 N/R

G10A 2.50 2015-01-20 7.9

G10 1.00 2014-12-02 1.5 N/R

G10 1.30 2014-12-02 1.2 N/R

N/R

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000G10A 6.00 2015-01-20 4.7 N/R

MiniRae2000

MiniRae2000

G10A 8.50 2015-01-20 0.2 N/R

G10A 9.50 2015-01-20 <0.1

G10A 3.50 2015-01-20 16.2

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000G10A 29.50 2015-01-20 <0.1 N/R

MiniRae2000

MiniRaeLite

G10A 31.00 2015-01-20 <0.1 N/R

G12 20.00 2014-12-09 54.0

G10A 20.40 2015-01-20 0.5

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000G16 2.50 2015-01-19 0.5 N/R

MiniRae2000

MiniRaeLite

G16 15.50 2015-01-19 0.3 N/R

G17 0.30 2014-12-05 1.3

G16 1.40 2015-01-19 <0.1

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLiteG17 1.00 2014-12-05 0.4 N/R

MiniRaeLite

MiniRaeLite

G17 1.00 2014-12-09 3.5 N/R

G17 2.00 2014-12-09 0.4 N/R

MiniRaeLite

Page 318: ta7510 - report on a ground investigation for sivertown tunnel

ES 17 1

ES 22 1

ES 27 1

ES 32 1

ES 37 1

ES 42 1

ES 47 1

ES 52 1

ES 1 1

ES 3 1

ES 8 1

ES 35 1

ES 39 1

ES 1 1

ES 3 1

ES 1 1

ES 3 1

ES 5 1

ES 3 1

ES 9 1

ES 13 1

ES 3 1

ES 6 1

ES 7 1

ES 11 1

ES 16A 1

ES 25 1

ES 30 1

ES 15 1

ES 1 1

ES 6 1

ES 11 1

ES 16 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

N/R

G20 1.50 2014-12-12 2.3 N/R

G20 3.50 2014-12-12 1.5 N/R

N/R

G1B 1.00 2015-01-28 <0.1 N/R

G1B 2.00 2015-01-28 <0.1 N/R

N/R

G2 4.00 2015-01-28 0.4 N/R

2014-12-09 1.5 N/R

G17 5.00 2014-12-09 <0.1 N/R

G17 6.00 2014-12-09 1.1 N/R

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

Client Atkins Ltd

Project No. TA7510

Engineer Atkins Ltd

Photo Ionisation

Results

Project Name Silvertown Tunnel

MiniRaeLite

MiniRaeLite

RemarksPID Device

Type

MiniRaeLite

MiniRaeLiteG17 7.00 2014-12-09 1.6 N/R

MiniRaeLite

MiniRaeLite

G17 8.00 2014-12-10 7.4 N/R

G17 9.00 2014-12-10 4.7 N/R

G17 4.00

MiniRaeLite

MiniRaeLite

G17 10.00 2014-12-10 4.6 N/R

G17 11.00 2014-12-10 5.5

MiniRae2000

MiniRae2000

G18 0.30 2014-11-17 <0.1 N/R

G18 1.00 2014-11-17 <0.1

N/R

N/R

MiniRae2000

MiniRae2000

G18 2.00 2014-11-18 <0.1 N/R

G18 9.30 2015-01-28 <0.1

MiniRae2000

MiniRae2000

G18 10.30 2015-01-28 <0.1 N/R

G19 0.30 2014-11-20 <0.1

N/R

N/R

MiniRae2000

MiniRae2000

G19 0.50 2014-11-20 <0.1 N/R

G19A 0.30 2014-11-20 <0.1

MiniRae2000

MiniRae2000

N/R

G19A 0.50 2014-11-20 <0.1 N/R

G19A 1.00 2014-11-20 <0.1 N/R

MiniRae2000

MiniRae2000G19B 6.50 2014-11-21 <0.1 N/R

MiniRae2000

MiniRae2000

G19B 8.30 2014-11-24 <0.1 N/R

G1B 0.30 2015-01-28 <0.1

G19B 4.50 2014-11-21 <0.1 N/R

N/R

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000G1B 3.20 2015-01-28 <0.1 N/R

MiniRae2000

MiniRae2000

G1B 5.30 2015-01-28 <0.1 N/R

G1B 7.30 2015-01-28 <0.1

G1B 0.50 2015-01-28 <0.1

MiniRae2000

MiniRaeLite

MiniRaeLite

MiniRaeLiteG20 2.50 2014-12-12 2.7 N/R

MiniRaeLite

2.00 Issue Date 19/02/2015SE-EMS-F-001

G20 0.50 2014-12-12 2.6

Table No.

4

Page 319: ta7510 - report on a ground investigation for sivertown tunnel

ES 5 1

ES 1 1

ES 2 1

ES 3 1

ES 4 1

ES 7 1

ES 8 1

ES 14 1

ES 17 1

ES 12 1

ES 21 1

ES 24 1

ES 27 1

ES 32 1

ES 23 1

ES 27 1

ES 45 1

ES 31 1

ES 53 1

ES 1 1

ES 4 1

ES 9 1

ES 15 1

ES 20 1

ES 24 1

ES 27 1

ES 2 1

ES 4 1

ES 6 1

ES 5 1

ES 10 1

ES 31 1

ES 20 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

N/R

G25 0.30 2014-11-19 <0.1 N/R

N/R

G26 2.00 2014-12-18 <0.1 N/R

G26 3.00 2014-12-18 <0.1 N/R

N/R

G23 0.30 2014-11-17 <0.1 N/R

G23 1.00 2014-11-17 <0.1 N/R

N/R

G23 6.50 2014-11-17 <0.1 N/R

G22 0.30 2015-01-28 <0.1 N/R

G22 1.00 2014-11-17 <0.1 N/R

N/R

G22 2.00 2015-01-28 <0.1 N/R

G22 1.50 2014-12-08 1.7

G21 1.00 2014-12-16 <0.1 N/R

Atkins Ltd

Client Atkins Ltd

Project Name

G22 0.30 2014-11-17 <0.1 N/R

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

2.00 Issue Date 19/02/2015

MiniRae2000

MiniRaeLite

G22 1.00 2015-01-28 <0.1 N/R

G22 2.50 2014-12-08 <0.1 N/R

G22 3.00 2014-12-08 0.1

RemarksPID Device

Type

MiniRae2000

MiniRaeLite

Silvertown Tunnel Photo Ionisation

ResultsProject No. TA7510

Engineer

MiniRae2000

MiniRaeLite

MiniRaeLite

MiniRae2000G22 3.00 2015-01-28 <0.1 N/R

N/R

MiniRaeLite

MiniRaeLite

G22 3.50 2014-12-08 1.0 N/R

G22 4.00 2014-12-08 0.4

MiniRaeLite

MiniRaeLite

N/R

G22 4.50 2014-12-08 0.5 N/R

G22 5.50 2014-12-08 <0.1 N/R

MiniRae2000

MiniRae2000G22 8.00 2015-01-28 <0.1 N/R

MiniRaeLite

MiniRae2000

G22 9.50 2014-12-08 <0.1 N/R

G22 10.00 2015-01-28 <0.1

G22 6.00 2015-01-28 <0.1 N/R

N/R

MiniRaeLite

MiniRae2000

MiniRae2000

MiniRae2000G23 1.50 2014-11-17 <0.1 N/R

MiniRae2000

MiniRae2000

G23 2.50 2014-11-17 <0.1 N/R

G23 4.50 2014-11-17 <0.1

G22 20.00 2014-12-08 <0.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000G25 0.50 2014-11-19 <0.1 N/R

MiniRae2000

MiniRaeLite

G25 1.00 2014-11-19 <0.1 N/R

G26 1.00 2014-12-18 <0.1

G23 8.50 2014-11-17 <0.1

MiniRaeLite

MiniRaeLite

MiniRaeLite

SE-EMS-F-001

G26 4.00 2014-12-18 <0.1 N/R

Table No.

4

MiniRae2000

MiniRae2000

Page 320: ta7510 - report on a ground investigation for sivertown tunnel

ES 34 1

ES 42 1

ES 49 1

ES 2 1

ES 2 1

ES 4 1

ES 6 1

ES 12 1

ES 15 1

ES 21 1

ES 2 1

ES 5 1

ES 9 1

ES 13 1

ES 16 1

ES 21 1

ES 26 1

ES 30 1

ES 35 1

ES 1 1

ES 3 1

ES 5 1

ES 9 1

ES 13 1

ES 18 1

ES 28 1

ES 33 1

ES 38 1

ES 1 1

ES 9 1

ES 14 1

ES 19 1

ES 24 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche Group

G5 7.50 2015-02-03 <0.1 N/R

G5 9.50 2015-02-03 <0.1 N/R

G5 11.20 2015-02-03 <0.1 N/R

G4 12.00 2014-12-12 2.2 N/R

G5 3.50 2015-02-03 <0.1 N/R

G5 5.50 2015-02-03 <0.1 N/R

G4 4.80 2014-12-10 13.9 N/R

G4 8.20 2014-12-11 25.1 N/R

G4 10.20 2014-12-11 15.4 N/R

N/R

N/R

G4 1.00 2014-12-10 1.5 N/R

G4 2.00 2014-12-10 2.3 N/R

G4 3.00 2014-12-10 8.4 N/R

N/R

G3 1.00 2015-01-28 <0.1 N/R

N/R

G3 5.00 2015-01-28 <0.1 N/R

G3 7.00 2015-01-28 <0.1 N/R

N/R

G27A 0.30 2014-12-16 <0.1 N/R

G27A 0.50 2014-12-18 1.2 N/R

N/R

G27A 4.00 2014-12-18 11.2 N/R

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather

G26 6.00 2014-12-18 <0.1 N/R

G26 8.00 2014-12-18 <0.1 N/R

Project Name Silvertown Tunnel

MiniRaeLite

SE-EMS-F-001 2.00 Issue Date 19/02/2015

Photo Ionisation

Results

Client Atkins Ltd

Project No. TA7510

Engineer Atkins Ltd

Remarks

MiniRaeLite

PID Device

Type

MiniRaeLite

MiniRaeLiteG26 10.00 2014-12-18 <0.1 N/R

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLiteG27A 1.00 2014-12-18 67.0 N/R

MiniRaeLite

MiniRaeLite

G27A 2.00 2014-12-18 107.0 N/R

G27A 3.00 2014-12-18 52.0

G27A 0.30 2014-12-18 1.6

MiniRaeLite

MiniRae2000

MiniRae2000

MiniRae2000G3 2.00 2015-01-28 <0.1 N/R

MiniRae2000

MiniRae2000

G3 3.00 2015-01-28 <0.1 N/R

G3 4.00 2015-01-28 <0.1

G3 0.30 2015-01-28 <0.1

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000G3 11.00 2015-01-28 0.4 N/R

MiniRaeLite

MiniRaeLite

G4 0.30 2014-12-10 1.6 N/R

G4 0.50 2014-12-10 3.5

G3 9.00 2015-01-28 <0.1

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRaeLite

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000

MiniRae2000

Table No.

4

Page 321: ta7510 - report on a ground investigation for sivertown tunnel

ES 1 1

ES 3 1

ES 5 1

ES 9 1

ES 11 1

ES 16 1

ES 25 1

ES 30 1

ES 36 1

ES 41 1

ES 46 1

ES 1 1

ES 3 1

ES 5 1

ES 63 1

ES 71 1

ES 1 1

ES 3 1

ES 5 1

ES 9 1

ES 12 1

ES 15 1

ES 18 1

Checked By: Approved By:

Date: Date:

Form No. Revision No.

ian.harman samantha.finch

23/02/2015 16/06/2015

Part of the Bachy Soletanche GroupSE-EMS-F-001 2.00 Issue Date 19/02/2015

G9 4.00 2014-12-09 <0.1 N/R MiniRaeLite

G9 5.00 2014-12-09 <0.1 N/R MiniRaeLite

G9 1.00 2014-12-02 1.9 N/RPossible moisture interference

on readingsMiniRaeLite

G9 2.00 2014-12-09 <0.1 N/R MiniRaeLite

G9 3.00 2014-12-09 <0.1 N/R MiniRaeLite

G8 14.00 2014-12-08 <0.1 N/R MiniRaeLite

G9 0.30 2014-12-02 1.2 N/RPossible moisture interference

on readingsMiniRaeLite

G9 0.50 2014-12-02 2.2 N/RPossible moisture interference

on readingsMiniRaeLite

G7 0.50 2014-11-27 <0.1 N/R MiniRae2000

G7 1.00 2014-11-27 <0.1 N/R MiniRae2000

G7 11.10 2014-12-08 <0.1 N/R MiniRaeLite

G6 11.30 2014-12-05 <0.1 N/R MiniRaeLite

G6 13.20 2014-12-05 <0.1 N/R MiniRaeLite

G7 0.30 2014-11-27 <0.1 N/R MiniRae2000

G6 5.30 2014-12-05 <0.1 N/R MiniRaeLite

G6 7.50 2014-12-05 <0.1 N/R MiniRaeLite

G6 9.30 2014-12-05 <0.1 N/R MiniRaeLite

G6 1.50 2014-12-05 <0.1 N/R MiniRaeLite

G6 2.00 2014-12-05 <0.1 N/R MiniRaeLite

G6 3.20 2014-12-05 <0.1 N/R MiniRaeLite

G6 0.30 2014-12-02 18.7 N/RPossible moisture interference

on readingsMiniRaeLite

G6 0.50 2014-12-02 3.0 N/RPossible moisture interference

on readingsMiniRaeLite

G6 1.00 2014-12-02 2.2 N/RPossible moisture interference

on readingsMiniRaeLite

Project Name Silvertown Tunnel Photo Ionisation

ResultsProject No. TA7510

Engineer Atkins Ltd Table No.

4Client Atkins Ltd

Hole ID

Sample

Depth

m Sample

Type

Sample

Ref.

Test

Number

Test Date

yyyy-mm-dd

PID

ppm

Temp.

°CWeather Remarks

PID Device

Type

Page 322: ta7510 - report on a ground investigation for sivertown tunnel
Page 323: ta7510 - report on a ground investigation for sivertown tunnel

Recorded By: Checked By: Approved By:

Date: Date: Date:

Form No. IssueNo.RevisionNo Issue Date

4Employer Atkins Ltd

Hole ID Date TimeStrike at

depth

Rise to

depth

Time

taken to

rise

Casing

depth at

strike

time

Project Name Silvertown Tunnel Groundwater Inflows

Recorded in

Exploratory HolesProject No. TA7510

Engineer Atkins Ltd Table No.

m

EB1 28/01/2015 1415 5.00 4.00 5 5.00

Casing

depth to

seal flow

Stratum Code

(GEOL_LEG)Flow rate remarks

dd/mm/yyyy hhmm m m mins m

504 Fast

EB1 28/01/2015 1415 5.00 3.80 15 5.00

0.00 504 Fast

EB1 28/01/2015 1415 5.00 3.80 10 5.00

504 Fast

EB2 11/12/2014 1545 5.00 5.00 20 5.00

504 Fast

EB1 28/01/2015 1415 5.00 3.80 20 5.00

Not sealed 102

EB3A 09/12/2014 1715 5.70 4.10 20 5.70

Not sealed 220

EB3A 26/11/2014 1300 1.80 1.70 20 1.80

203

EB5 10/12/2014 1515 3.00 2.48 20 3.00

Not sealed 520

EB4 14/01/2015 1130 3.70

102

EB5 10/12/2014 1515 3.00 2.85 10 3.00

102

EB5 10/12/2014 1515 3.00 2.95 5 3.00

102

EB6 17/11/2014 1045 3.00 2.93 20 3.00

102

EB5 10/12/2014 1515 3.00 2.65 15 3.00

3.20 102

EB6 17/11/2014 1045 3.00 2.94 10 3.00

3.20 102

EB6 17/11/2014 1045 3.00 2.95 5 3.00

3.20 102

EB6 17/11/2014 1420 6.80 4.10 20 4.20

3.20 102

EB6 17/11/2014 1045 3.00 2.94 15 3.00

430

EB6 17/11/2014 1420 6.80 4.10 10 4.20

430

EB6 17/11/2014 1420 6.80 4.20 5 4.20

430

ET16 18/11/2014 1400 0.95

430

EB6 17/11/2014 1420 6.80 4.10 15 4.20

102

ET28 13/01/2015 1430 3.00 3.00

102

ET17 20/11/2014 2.30

102

ET35 16/01/2015 1230 0.80 0.80 20

203

ET31 10/12/2014 2.70

602

G10A 07/01/2015 0940 5.50 5.40 5 5.15

102

ET6 26/01/2015 0910 2.80

5.60 202 Medium

G10A 07/01/2015 0940 5.50 5.40 15 5.15

5.60 202 Medium

G10A 07/01/2015 0940 5.50 5.40 10 5.15

5.60 202 Medium

G10A 07/01/2015 1510 9.00 7.60 5 9.00

5.60 202 Medium

G10A 07/01/2015 0940 5.50 5.40 20 5.15

16/06/2015 16/06/2015

SE-PGR-F-007 3.04 26/07/2013

504 Fast

samantha.finch paul.longman

504 Fast

G10A 07/01/2015 1510 9.00 7.50 10 9.00

Part of the Bachy Soletanche Group

Page 324: ta7510 - report on a ground investigation for sivertown tunnel
Page 325: ta7510 - report on a ground investigation for sivertown tunnel
Page 326: ta7510 - report on a ground investigation for sivertown tunnel
Page 327: ta7510 - report on a ground investigation for sivertown tunnel

NOTES:

Form No. Revision No. Issue Date

10/02/2015

17/02/2015

17/02/2015

10:30

12:50

8:20

G4

Part of the Bachy Soletanche Group

150

10/02/2015 13:50

Date(dd/mm/yyyy)

Time

hh:mmExploratory Hole ID

G16

Initial

Groundwater

Level

(m)

Litres Purged

Groundwater Level

After Purging

(m)

150

270

Abandoned

G10A

G3A Deep

TA7510

Atkins Ltd

Atkins Ltd

G3A Shallow

EB5

10:35

11:50

G25A

G6

G5

G7

Project Name Silvertown Tunnel Record of Installations

Purged

24/01/2014

Project No.

Engineer

Client

G4

1.03SE-PGR-F-013

10012:00 3.56

18/02/2015

18/02/2015

18/02/2015

23/02/2015

23/02/2015

24/02/2015

24/02/2015

Groundwater Level

After 30 minutes

(m)

7.09

4.44

1.74

3.82

4.77

4.72

pump failure

14:40

12:50

13:50

9:00

7.09

1.67

3.41

05

Table no.

7.12

2.17

450

50L*Dry

20L*Dry

700-750

3.52

450

1000

Dry

7.12

4.45

3.60

4.26

3.90

3.64

4.74

3.87

3.98

7.14

1.79

after 1hr

7.14

4.39

1.74

3.60

Dry

4.68

Page 328: ta7510 - report on a ground investigation for sivertown tunnel

NOTES:

Form No. Revision No. Issue Date

1.91

3.49

2.91

5.59

3.52

3.65

1.93

4.28

4.57

to purge

3.66

1.94

4.28

4.57

water volume

1.91

2.91

6.28

56

18

12

Insufficient

1.83

21

30

5.59

3.56

Dry

05

Table no.

5.59

3.539:30

12:10

13:00

14:20

Groundwater Level

After 30 minutes

(m)

3.65

1.87

4.28

4.57

3.83

2.91

15/04/2015

15/04/2015

15/04/2015

15/04/2015

16/04/2015

16/04/2015

16/04/2015 4514:05 3.49

1.03SE-PGR-F-013

Project Name Silvertown Tunnel Record of Installations

Purged

24/01/2014

Project No.

Engineer

Client

EB5

G7

G6

G16

G25A

G5

EB3A Shallow

TA7510

Atkins Ltd

Atkins Ltd

EB3A Deep

G4

14:55

15:50

Initial

Groundwater

Level

(m)

Litres Purged

Groundwater Level

After Purging

(m)

66

42

48

14/04/2015 14:14

Date(dd/mm/yyyy)

Time

hh:mmExploratory Hole ID

G8

G1

Part of the Bachy Soletanche Group

01/01/1900

15/04/2015

15/04/2015

16:10

10:55

13:!5

Page 329: ta7510 - report on a ground investigation for sivertown tunnel

NOTES:

Form No. Revision No. Issue Date

1.84

3.52

2.87

5.48

3.59

-

3.71

1.93

4.27

4.58

to purge

3.72

1.96

4.27

4.58

water volume

2.02

2.89

6.86

56

18

12

Insufficient

1.84

21

30

5.48

3.59

DRY

05

Table no.

11.50

3.5916:15

15:30

9:20

10:00

Groundwater Level

After 30 minutes

(m)

3.71

1.92

4.27

4.58

3.81

2.87

-

28/05/2015

28/05/2015

27/05/2015

27/05/2015

26/05/2015

27/05/2015

26/05/2015 4511:40 3.52

1.03SE-PGR-F-013

Project Name Silvertown Tunnel Record of Installations

Purged

24/01/2014

Project No.

Engineer

Client

EB5

G7

G6

G16

G25A

G5

EB3A Shallow

TA7510

Atkins Ltd

Atkins Ltd

EB3A Deep

G4

11:00

12:55

Initial

Groundwater

Level

(m)

Litres Purged

Groundwater Level

After Purging

(m)

66

42

-

48

27/05/2015 11:10

Date(dd/mm/yyyy)

Time

hh:mmExploratory Hole ID

G8

G1

Part of the Bachy Soletanche Group

26/05/2015

27/05/2015

27/05/2015

13:10

10:30

14:10

Page 330: ta7510 - report on a ground investigation for sivertown tunnel

Recorded by: Checked by: Approved by:

Date: Date: Date:

Form No.

14.57 1.87

SE-PGR-F-008 Part of the Bachy Soletanche Group

RP

10/02/2015

24/01/2014Issue Date

03/06/2015

SF

22.50

12.00

24.00

14.00

9.00

12.00

Issue.Revision No.

PL

26/02/2015

9.50

1.80

31/03/2015 11:45 3.40

31/03/2015 10:55

EB3A

EB5

G10A

G10A

9.50

24.00

26.00

10.50

G11A

Client

2.05

NOTES:

For multiple installations at the same depth, use different Installation IDs. Otherwise, the field is optional.

Monitoring point depth for piezometers = tip depth, for standpipes = base of response zone

4.12

Project Name Silvertown Tunnel Groundwater

Readings For

InstallationsProject No.

Engineer

TA7510

Atkins Ltd Table No.

Date

dd/mm/yyyy

08:50

09:00

09:10

m

DRY

Time

Recorded Water Level

01

8.50

3.00

9.00

SP

SPIE 02

27.00

10.00 02

02

TypeTime

hh:mm

16.00 01

10/02/2015

SP

SP

15.00

DRY

6.00

16.00

5.00

29.00

016.00

5.00

29.00

10/02/2015

EB2

EB3A

COMMENTS

Exploratory Hole ID

Installation Details

SP

01

SP

Atkins Ltd

SPIE=Piezometer, SP=Standpipe

4.30

Reading

06

31/03/2015 11:25 1.84

31/03/2015 14.55 4.39

Reading

hh:mm m

Reading

1.67

7.07

DRY

Date

dd/mm/yyyy

31/03/2015

31/03/2015 14:13 7.25

01

02

02

01

3.15

4.21

11:30 2.01

31/03/2015 13:07 4.25

1.94

31/03/2015

31/03/2015

31/03/2015

31/03/20154.25

10/02/2015

2.60

4.25

31/03/2015

12:10 6.60

12:20 2.25

31/03/2015 14:05 8.69

27.00

10.00

7.85

24/02/2015

01

SPIE 26.00

01

10/02/2015

7.60

SP

SPIE

G16

G15 SPIE

SPIEG15

G16

SP

10.50 2.66

22.50

4.50

9.50

3.00 DRY

3.54

3.48

11:53 2.95

12:06 2.93

8.50

3.00

01

10/02/2015

DRY

SPIE

SPIE

SPIE

G1B SPIE 9.50

G18 SPIE 4.50

G1B SP 3.00

SP

G22

G25A

12.00G4

SPIE

SP

G22 4.5010/02/2015

10/02/2015 DRYSP 02

3.8013:3831/03/2015

08:2024/02/2015

3.56

3.41 3.52

G7

4.98

12.00

SP

SP

11.00

4.50 01G6

3.66

14:2031/03/2015G7 SPIE 01

G5 11.00 10/02/2015 3.98

4.50

4.6614:2831/03/201502

3.8414:3431/03/2015

09/02/2015

4.55

5.31

G8 5.50 6.0713:575.48 31/03/2015

09/02/2015

3.95

3.87

4.09

4.72

09/02/2015

10/02/2015 3.79

DRY

7.38

6.38

1.72

3.04

2.68

G9

12:35G8 14.00

5.62

09/02/2015

24/02/2015

m

DRY

4.44

1.74

1.67

7.09

10/02/2015

10/02/2015

5.50 5.5713:525.48 31/03/2015

11:40

11:10

12:00

14:40

10:30

11:50

11:30

12:50

12:20

14:08

09:05

12:40

12:35

09:00

13:50

10:35

14:30

13:13

Time

hh:mm

14:45

09:00

10:35

14:40

13:50

24/02/2015

17/02/2015

23/02/2015

18/02/2015

17/03/2015

23/02/2015

17/03/2015

17/03/2015

18/03/2015

18/03/2015

18/03/2015

10/02/2015

18/03/2015

17/03/2015

31/03/2015

18/03/2015

31/03/2015

Date

dd/mm/yyyy

31/03/2015

18/02/2015

18/02/2015

10/02/2015

17/02/2015

31/03/2015

17/03/2015

16:10

15:44

15:33

10:00

13:20

13:38

12:35

12:36

10:58

14:50

08:30

08:38

16:00

12:44

15:25

15:10

15:05

11:55

11:50

11:27

11:12

12:00

4.00

15.00

4.00

01

01

01

2.00 01

Depth to base

of pipe

m

Monitoring

point depth

m

2.00

ID

09/02/2015

09/02/2015

09/02/2015

24/02/2015

09/02/2015

09/02/2015

10/02/2015

09/02/201501

02

01

Page 331: ta7510 - report on a ground investigation for sivertown tunnel

G9 No Access - Landscaped over from 17/03/15 onwards

Recorded by: Checked by: Approved by:

Date: Date: Date:

Form No.

16/04/2015 03/06/2015

SE-PGR-F-008 Issue.Revision No. 2.05 Issue Date 24/01/2014 Part of the Bachy Soletanche Group

RP / IH / JC / DB PL SF

27/05/2015 11:00 5.79

14:14 5.59 27/05/2015 11:05 5.48

G9 SPIE 9.50 9.50 01

5.48

G8 SPIE 14.00 14.00 02 14/04/2015

14/04/2015 14:16 5.59 27/05/2015 11:06

27/05/2015 12:53 4.58

G8 SPIE 24.00 24.00 01

15/04/2015 15:40 4.57

15:25 4.96 27/05/2015 12:40 4.79

G7 SP 12.00 12.00 02

3.81

G7 SPIE 22.50 22.50 01 15/04/2015

15/04/2015 16:05 3.83 27/05/2015 13:10

27/05/2015 09:10 3.71

G6 SP 4.50 4.50 01

15/04/2015 12:44 3.65

08:55 3.56 26/05/2015 15:20 3.59

G5 SP 11.00 11.00 01

3.52

G4 SP 12.00 12.00 01 31/03/2015 13:43 3.58 15/04/2015

16/04/2015 14:00 3.49 26/05/2015 11:28

26/05/2015 14:29 DRY

G25A SP 9.00 9.00 01

16/04/2015 12:32 Dry

12:32 3.85 26/05/2015 14:30 3.81

G22 SP 3.00 3.00 02

DRY

G22 SPIE 8.50 8.50 01 16/04/2015

15/04/2015 12:10 Dry 27/05/2015 15:25

27/05/2015 15:25 DRY

G1B SP 3.00 3.00 02

15/04/2015 12:00 Dry

12:45 1.76 26/05/2015 12:10 1.83

G1B SPIE 9.50 9.50 01

2.87

G18 SPIE 4.50 4.50 01 16/04/2015

16/04/2015 10:50 2.91 26/05/2015 10:27

26/05/2015 10:28 2.86

G16 SP 10.50 10.50 02

16/04/2015 10:51 2.90

10:03 2.64 26/05/2015 09:47 2.41

G16 SPIE 26.00 26.00 01

6.31

G15 SPIE 10.00 10.00 02 16/04/2015

16/04/2015 09:59 7.43 26/05/2015 09:45

27/05/2015 10:10 7.49

G15 SPIE 27.00 27.00 01

14/04/2015 12:52 7.90

12:33 Dry 27/05/2015 10:47 DRY

G11A SPIE 29.00 29.00 01

7.12

G10A SPIE 5.00 5.00 02 14/04/2015

14/04/2015 12:16 7.20 27/05/2015 10:48

27/05/2015 14:10 1.84

G10A SP 16.00 16.00 01

16/04/2015 13:15 1.83

14:10 1.87 28/05/2015 09:53 1.92

EB5 SP 6.00 6.00 01

4.27

EB3A SP 4.00 4.00 02 15/04/2015

15/04/2015 14:55 4.28 28/05/2015 09:55

27/05/2015 13:25 DRY

EB3A SP 15.00 15.00 01

15/04/2015 17:15 Dry

hh:mm m dd/mm/yyyy hh:mm m

EB2 SP 2.00 2.00 01

Time Reading Date Time Reading

m m dd/mm/yyyy hh:mm m

Monitoring

point depth

IDDate Time Reading Date

dd/mm/yyyy

Monitoring point depth for piezometers = tip depth, for standpipes = base of response zone

COMMENTS

Exploratory Hole ID

Installation Details Recorded Water Level

Type

Depth to base

of pipe

06Client Atkins Ltd

NOTES: SPIE=Piezometer, SP=Standpipe

For multiple installations at the same depth, use different Installation IDs. Otherwise, the field is optional.

Project Name Silvertown Tunnel Groundwater

Readings For

InstallationsProject No. TA7510

Engineer Atkins Ltd Table No.

Page 332: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

DRY DRY DRY DRY

1030 1011 1014 1023

-14 <1 <1 <1

2.04 2.04 2.04 2.04

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

1.8 1.6 1.7 1.9

0.3 1.7 2.8 7.3

<1 <1 1 <1

<1 <1 <1 <1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

1.6 1.4 1.7 1.9

0.3 2.2 2.8 7.3

<1 <1 1 3

<1 <1 <1 <1

0.2 0.4 0.5 0.4

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.

RP RP/IH

2.06 Issue Date

7

Equipment Type

Equipment Last Calibrated

G501940 G501940

ppm

16:57:00

%v/v

13:19:00

N/A

ppm

ppm

1

86

Gas Flow

3

08:46:00

08:43:00

14:43:00 17:03:00

0.1

31/03/2015

1

1

%v/v

%v/v

1ppm

hh:mm:ss N/A

0.1

CH4: (LEL) Steady State

0.1

%

%v/v

%v/v

hh:mm:ss

0.1

N/A

1

0.1

Cloud

13:17:00

SunnySunny

17/03/2014 06/03/2015 06/03/2015 06/03/2015

Cloud

GA5000

Project No.

0.01

Engineer

Client

TA7510

Measured Parameter

Date

Units

14:37:00hh:mm:ss

l/hr

27/01/2014

GA5000 GA5000 GA5000

JC / DB JC / DA

G501940 G501940

SE-EMS-F-002

Weather Conditions:

m 0.01

m

mb

mb

1

1

H2S: Peak

Hole ID

EB2

07

Table No.

14:40:00

4 5

Project Name Silvertown Tunnel Record Of Gas

Monitoring

16:50:00

27/05/2015

13:15:00

Atkins Ltd

Atkins Ltd

N/A

1

%v/v

%

CO: Steady State

CO2: Steady State

1

O2: Steady State

CH4: Steady State

0.1

0.1

15/04/2015

2.00

0.50

Detection

Limit

2

N/A

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

01Monitoring Point ID

2.00

2.00Base of response zone

Initial base depth of installationSP+GMP

Distance to monitoring point

Top of response zone

Time of initial readings

Water Level

Monitoring round no. N/A

dd/mm/yyyy

Well Type

Atmospheric pressure

CO2: Peak

Time of Steady readings

Time of 'Peak' readings

Base depth of installation at

time of monitoring

CH4: (LEL) Peak

O2: Minimum

H2S: Steady State

Part of the Bachy Soletanche Group

10/02/2015

08:42:00

Relative pressure

CH4: Peak

CO: Peak

Page 333: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

1.80 1.87 1.87 1.92

1030 1011 1016 1013

<1 <1 <1 <1

4.12 4.12 4.12 4.12

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

5.8 5.6 4.4 6.2

13.1 10.6 13.2 13.5

<1 <1 <1 <1

<1 <1 <1 1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

5.8 6.9 4.4 6.2

13.1 9.9 13.2 13.5

<1 <1 <1 <1

<1 <1 <1 <1

0.3 0.4 0.3 0.2

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Cloud Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

09:46:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 09:07:00 14:56:00 14:10:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

09:04:00 14:54:00 14:05:00 09:42:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 09:01:00 14:50:00 14:00:00

15/04/2015 28/05/2015

09:40:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 1.00 Base of response zone

Date dd/mm/yyyy N/A 10/02/2015 31/03/2015

Measured Parameter Units

4.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 4.00 Monitoring Point ID 02

4.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

EB3AProject No. TA7510

Engineer Atkins Ltd Table No.

Page 334: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

1.67 1.84 1.83 1.84

1029 1008 1016 1022

<1 <1 <1 <1

5.94 5.94 5.94 5.94

NR NR NR NR

<0.1 <0.1 <0.1 <1

0.6 0.1 0.1 0.1

7.9 20.7 20.5 17.9

<1 <1 <1 3

<1 <1 <1 <1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

0.6 0.1 0.1 0.1

8.1 20.7 20.6 18.3

<1 <1 <1 3

<1 <1 <1 <1

-0.6 0.0 0.5 0.3

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Cloud Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

14:04:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 12:43:00 11:23:00 13:10:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

12:42:00 11:21:00 13:05:00 14:02:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 12:40:00 11:20:00 13:00:00

16/04/2015 27/05/2015

14:00:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 1.00 Base of response zone

Date dd/mm/yyyy N/A 10/02/2015 31/03/2015

Measured Parameter Units

6.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 6.00 Monitoring Point ID 01

6.00

Well Type SP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

EB5Project No. TA7510

Engineer Atkins Ltd Table No.

Page 335: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

7.07 7.25 7.20 7.12

1029 1011 1025 1023

<1 <1 1 <1

16.00 16.00 16.00 0.67

NR NR NR NR

4.7 0.4 0.5 0.8

3.8 0.5 0.5 1.0

18.0 20.8 20.0 20.1

<1 <1 <1 <1

<1 <1 1 1

NR NR NR NR

1.3 <0.1 0.1 <0.1

1.6 <0.1 0.1 0.2

19.1 21.2 20.2 20.5

<1 <1 <1 <1

<1 <1 1 <1

<0.1 0.4 0.5 0.3

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH IH / JC JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Sunny Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

10:38:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 15:20:00 14:12:00 12:08:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

15:18:00 14:10:00 12:06:00 10:35:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 15:17:00 14:09:00 11:59:00

14/04/2015 29/05/2015

10:30:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 14.50 Base of response zone

Date dd/mm/yyyy N/A 09/02/2015 31/03/2015

Measured Parameter Units

16.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 16.00 Monitoring Point ID 01

16.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G10AProject No. TA7510

Engineer Atkins Ltd Table No.

Page 336: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

3.17 2.93 2.91 2.87

1030 1010 1015 1022

<1 <1 <1 <1

10.28 10.28 10.28 10.28

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

0.2 0.1 0.3 0.3

20.0 20.7 20.6 20.4

<1 1 1 1

<1 <1 <1 <1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

0.2 0.1 0.2 0.2

20.8 20.7 20.7 20.5

<1 1 <1 <1

<1 <1 <1 <1

0.1 <0.1 0.5 2.1

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015

G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000

Weather Conditions: Cloud Cloud Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

10:24:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 11:18:00 11:58:00 10:45:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

11:15:00 11:57:00 10:40:00 10:22:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 11:14:00 11:55:00 10:35:00

16/04/2015 26/05/2015

10:19:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 7.00 Base of response zone

Date dd/mm/yyyy N/A 10/02/2015 31/03/2015

Measured Parameter Units

10.50

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 10.50 Monitoring Point ID 02

10.50

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G16Project No. TA7510

Engineer Atkins Ltd Table No.

Page 337: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

DRY DRY DRY DRY

1029 1010 1017 1022

<1 -1 <1 <1

3.10 3.10 3.10 3.10

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

2.8 6.7 6.7 6.7

5.6 3.6 5.5 5.4

w <1 <1 <1

<1 <1 <1 <1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

0.6 6.7 6.7 6.7

8.1 3.6 5.5 5.4

<1 <1 <1 <1

<1 <1 <1 <1

-0.6 0.4 0.2 0.2

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Sunny Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

15:17:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 11:15:00 13:12:00 12:25:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

11:00:00 13:11:00 12:20:00 15:13:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 13:28:00 13:09:00 12:18:00

15/04/2015 27/05/2015

15:10:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 1.00 Base of response zone

Date dd/mm/yyyy N/A 09/02/2015 31/03/2015

Measured Parameter Units

3.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 3.00 Monitoring Point ID 02

3.00

Well Type SP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G1BProject No. TA7510

Engineer Atkins Ltd Table No.

Page 338: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

Dry DRY DRY DRY

1028 1007 1015 1023

-15 -1 <1 <1

2.60 2.60 2.60 2.60

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

2.8 3.6 4.6 5.5

7.3 3.0 1.2 0.3

<1 <1 <1 3

<1 <1 <1 1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

1.3 1.3 2.1 5.5

13.4 14.5 11.9 0.3

17 1 1 2

<1 <1 <1 1

<0.1 0.6 0.8 1.8

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Cloud Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

14:16:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 12:30:00 10:08:00 12:28:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

12:28:00 11:05:00 12:23:00 14:13:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 12:24:00 11:03:00 12:20:00

16/04/2015 26/05/2015

14:10:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 1.00 Base of response zone

Date dd/mm/yyyy N/A 10/02/2015 31/03/2015

Measured Parameter Units

3.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 3.00 Monitoring Point ID 02

3.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G22Project No. TA7510

Engineer Atkins Ltd Table No.

Page 339: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

3.42 3.40 3.49 3.52

1029 1009 1015 1022

<1 <1 <1 <1

9.10 9.10 9.10 9.10

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

1.8 1.9 1.4 2.3

15.3 13.8 14.9 14.5

<1 <1 <1 <1

<1 1 1 1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

1.8 1.9 1.4 2.3

15.3 13.8 14.9 14.5

<1 <1 <1 <1

<1 1 1 <1

0.4 -0.2 0.6 0.4

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Cloud Snow Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

11:24:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 10:52:00 13:40:00 13:55:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

10:49:00 11:36:00 13:50:00 11:20:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 10:47:00 11:33:00 13:45:00

16/04/2015 29/05/2015

11:18:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 1.30 Base of response zone

Date dd/mm/yyyy N/A 10/02/2015 31/03/2015

Measured Parameter Units

9.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 9.00 Monitoring Point ID 01

9.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G25AProject No. TA7510

Engineer Atkins Ltd Table No.

Page 340: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

3.54 3.58 3.56 3.59

1029 1011 1017 1023

<1 <1 <1 <1

12.35 12.35 12.35 12.35

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

4.6 <0.1 2.7 0.8

18.6 21.0 20.2 19.9

<1 <1 <1 1

<1 <1 <1 <1

NR NR <1 NR

<0.1 <0.1 <0.1 <0.1

0.5 <0.1 0.6 0.4

20.3 21.0 20.6 20.3

<1 <1 <1 1

<1 <1 <1 <1

<0.1 0.1 0.3 5.1

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DB

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Sunny Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

15:09:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 14:46:00 13:43:00 08:52:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

14:41:00 13:42:00 08:45:00 15:07:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 14:40:00 13:40:00 08:40:00

15/04/2015 26/05/2015

15:05:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 5.00 Base of response zone

Date dd/mm/yyyy N/A 09/02/2015 31/03/2015

Measured Parameter Units

12.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 12.00 Monitoring Point ID 01

12.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G4Project No. TA7510

Engineer Atkins Ltd Table No.

Page 341: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

3.66 3.80 3.65 3.71

1030 1011 1017 1024

<1 <1 <1 <1

11.10 11.10 11.10 11.10

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

8.0 4.3 1.1 1.3

11.8 15.3 19.6 20.1

<1 <1 1 <1

<1 <1 <1 <1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

5.4 <0.1 0.5 0.4

14.4 20.8 20.2 20.6

2 <1 1 <1

<1 <1 <1 <1

-4.7 0.4 0.2 0.1

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Cloud Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

09:11:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 08:27:00 13:37:00 12:55:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

08:23:00 13:27:00 12:50:00 09:08:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 08:21:00 13:26:00 12:44:00

15/04/2015 27/05/2015

09:05:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 3.00 Base of response zone

Date dd/mm/yyyy N/A 10/02/2015 31/03/2015

Measured Parameter Units

11.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 11.00 Monitoring Point ID 01

11.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G5Project No. TA7510

Engineer Atkins Ltd Table No.

Page 342: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

4.55 4.66 4.57 4.58

1029 1011 1015 1024

<1 <1 <1 <1

11.65 11.65 11.65 11.65

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

0.6 0.2 0.3 0.4

18.9 20.5 19.4 17.2

1 <1 1 4

<1 <1 1 1

NR NR NR NR

<0.1 <0.1 <0.1 <0.1

0.5 0.1 0.3 0.4

19.1 20.9 19.5 17.5

<1 <1 1 4

<1 <1 1 1

1.8 0.3 4.2 4.9

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP RP/IH JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015 06/03/2015

G501940 G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000 GA5000

Weather Conditions: Sunny Cloud Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

12:49:00

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 16:05:00 14:27:00 15:46:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

16:04:00 14:24:00 15:43:00 12:47:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 16:00:00 14:22:00 15:40:00

15/04/2015 27/05/2015

12:45:00

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 7.00 Base of response zone

Date dd/mm/yyyy N/A 09/02/2015 31/03/2015

Measured Parameter Units

12.00

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 12.00 Monitoring Point ID 02

12.00

Well Type SP+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G7Project No. TA7510

Engineer Atkins Ltd Table No.

Page 343: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

For double gas valves, record valves separately, using separate Monitoring Point ID

m

m m

m

4.98 4.96 4.79

1029 1014 1024

<1 <1 <1

21.80 21.80 21.80

NR NR NR

<0.1 <0.1 <0.1

1.5 0.6 0.6

17.3 16.1 15.7

<1 <1 4

<1 <1 1

NR NR NR

<0.1 <0.1 <0.1

0.1 0.1 0.2

20.3 20.3 18.3

<1 <1 4

<1 <1 1

0.1 2.6 13.3

Equipment Serial Number

Monitored By

Comments

Form No. Revision No.SE-EMS-F-002 2.06 Issue Date 27/01/2014 Part of the Bachy Soletanche Group

RP JC / DB JC / DA

Equipment Last Calibrated 17/03/2014 06/03/2015 06/03/2015

G501940 G501940 G501940

Equipment Type GA5000 GA5000 GA5000

Weather Conditions: Sunny Sunny Sunny

H2S: Steady State ppm 1

Gas Flow l/hr 0.1

O2: Steady State %v/v 0.1

CO: Steady State ppm 1

CH4: Steady State %v/v 0.1

CO2: Steady State %v/v 0.1

CH4: (LEL) Steady State % 1

Time of Steady readings hh:mm:ss N/A 15:50:00 15:35:00 12:34:00

CO: Peak ppm 1

H2S: Peak ppm 1

CO2: Peak %v/v 0.1

O2: Minimum %v/v 0.1

CH4: (LEL) Peak % 1

CH4: Peak %v/v 0.1

15:48:00 15:30:00 12:32:00

Base depth of installation at

time of monitoringm 0.01

Time of 'Peak' readings hh:mm:ss N/A

Atmospheric pressure mb 1

Relative pressure mb 1

Water Level m 0.01

Time of initial readings hh:mm:ss

7 8

N/A 15:47:00 15:25:00 12:30:00

29/05/2015

Detection

Limit

Monitoring round no. 4 5 6

Top of response zone 21.00 Base of response zone

Date dd/mm/yyyy N/A 09/02/2015 15/04/2015

Measured Parameter Units

21.80

07Client Atkins Ltd

GMP = Gas Monitoring Point, GMP+SP = Gas Monitoring Point and Standpipe, GMP+SPIE

= Gas Monitoring Point and Standpipe Piezometer, GMP+GWMP = Gas Monitoring Point

and Groundwater Monitoring Point

N/A N/A 1 2 3

Distance to monitoring point 22.50 Monitoring Point ID 01

23.00

Well Type SPIE+GMP Initial base depth of installation

Project Name Silvertown Tunnel Record Of Gas

Monitoring

Hole ID

G7Project No. TA7510

Engineer Atkins Ltd Table No.

Page 344: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

mbgl

mbgl

Weather Conditions:

Equipment Used (list):

Equipment Last Calibrated (respective to list above):

Comments

Monitored By:

Form No. Revision No.SE-PGR-F-012 2.05 Issue Date 24/01/2014 Part of the Bachy Soletanche Group

RP/IH

Date: 31/03/2015

Overcast / Sunny

Volume of water

purgedlitres 0.01 NR NR

Turbidity ftu 0.01 NR NR

Redox Potential

(ORP)mV 1 NR NR

Dissolved Oxygen % 0.01 NR NR

Conductivity µS/cm 0.01 NR NR

Temperature °C 0.01 NR NR

pH pH Units 0.01 NR NR

DNAPL m 0.01 NR NR

LNAPL m 0.01 NR NR

Water Level m 0.01 DRY Dry

Time of initial

readinghh:mm N/A 14:45 17:15

Datedd/mm/

yyyyN/A 31/03/2015 15/04/2015

Well volume N/A N/A

Monitoring round

no.N/A N/A 1 2

Measured

ParameterUnits

Detection

Limit

Depth to base of installation 16.30

Distance to monitoring point from datum 2.00 Monitoring Point ID 1

08Client Atkins

OB = Open Borehole, SP = Standpipe, SPIE = Piezometer, GMP = Gas monitoring point,

GWP = Groundwater monitoring point, SS = Surface Sample, NR = Not Recorded

Well Type Standpipe

Project Name Silvertown Tunnel Record Of In-Situ

Water Monitoring

Hole ID

EB2AProject No. TA7510

Engineer Atkins Table no.

Page 345: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

mbgl

mbgl

Weather Conditions:

Equipment Used (list):

Equipment Last Calibrated (respective to list above):

Comments

Monitored By:

Form No. Revision No.SE-PGR-F-012 2.05 Issue Date 24/01/2014 Part of the Bachy Soletanche Group

RP/IH

Date: 31/03/2015

Overcast / Sunny

NB - Interface probe sensors covered / obscured with tar.

Volume of water

purgedlitres 0.01 NR NR

Turbidity ftu 0.01 NR NR

Redox Potential

(ORP)mV 1 NR NR

Dissolved Oxygen % 0.01 NR NR

Conductivity µS/cm 0.01 NR NR

Temperature °C 0.01 NR NR

pH pH Units 0.01 NR NR

DNAPL m 0.01 <0.01 <0.01

LNAPL m 0.01 <0.01 <0.01

Water Level m 0.01 1.87 1.87

Time of initial

readinghh:mm N/A 14:50 14:30

Datedd/mm/

yyyyN/A 31/03/2015 15/04/2015

Well volume N/A N/A

Monitoring round

no.N/A N/A 1 2

Measured

ParameterUnits

Detection

Limit

Depth to base of installation 4.12

Distance to monitoring point from datum 4.00 Monitoring Point ID 2

08Client Atkins

OB = Open Borehole, SP = Standpipe, SPIE = Piezometer, GMP = Gas monitoring point,

GWP = Groundwater monitoring point, SS = Surface Sample, NR = Not Recorded

Well Type Standpipe

Project Name Silvertown Tunnel Record Of In-Situ

Water Monitoring

Hole ID

EB3AProject No. TA7510

Engineer Atkins Table no.

Page 346: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

mbgl

mbgl

Weather Conditions:

Equipment Used (list):

Equipment Last Calibrated (respective to list above):

Comments

Monitored By:

Form No. Revision No.SE-PGR-F-012

N/A N/A 1 2

Monitoring Point ID

Measured

ParameterUnits

Detection

Limit

1

Well Type Standpipe

Depth to base of installation 16.30

Distance to monitoring point from datum 16.00

Monitoring round

no.

On visit of 14/04/2015 black tarry material as encountered at the base of hole approx 100mm depth. It was not possible to record

N/A

°C

µS/cm

%

pH

N/A

0.01

0.01

0.01

m

LNAPL

Date

N/A

NR

N/A

NR

NR

14/04/2015

<0.01

NR

<0.01

Hole ID

Issue Date

Project Name Silvertown Tunnel Record Of In-Situ

Water Monitoring

24/01/2014

Project No. G10ATA7510

Atkins

Atkins

2.05

0.01

<0.01

Engineer

Client

OB = Open Borehole, SP = Standpipe, SPIE = Piezometer, GMP = Gas monitoring point,

GWP = Groundwater monitoring point, SS = Surface Sample, NR = Not Recorded

08

Table no.

7.25

31/03/2015

<0.01

NR

14:10

NR

12:16

7.20

NR

NR

NR

NR

1mV

NR0.01

NR

pH Units

NR

ftu

Well volume

hh:mm

dd/mm/

yyyy

Redox Potential

(ORP)

DNAPL

m

m

Temperature

Conductivity

Volume of water

purged

Time of initial

reading

Water Level

Turbidity

Dissolved Oxygen

0.01

0.01

0.01

0.01 NR

Overcast / Sunny

litres

Part of the Bachy Soletanche Group

true depth as material is not compatible with an interface probe. Thickness estimated from staining on diptape.

RP/IH

Date: 31/03/2015

Page 347: ta7510 - report on a ground investigation for sivertown tunnel

Notes Type of Sampling Point:

mbgl

mbgl

Weather Conditions:

Equipment Used (list):

Equipment Last Calibrated (respective to list above):

Comments

Monitored By:

Form No. Revision No.SE-PGR-F-012 2.05 Issue Date 24/01/2014 Part of the Bachy Soletanche Group

RP/IH

Date: 31/03/2015

Overcast / Sunny

Volume of water

purgedlitres 0.01 NR NR

Turbidity ftu 0.01 NR NR

Redox Potential

(ORP)mV 1 NR NR

Dissolved Oxygen % 0.01 NR NR

Conductivity µS/cm 0.01 NR NR

Temperature °C 0.01 NR NR

pH pH Units 0.01 NR NR

DNAPL m 0.01 <0.01 <0.01

LNAPL m 0.01 <0.01 <0.01

Water Level m 0.01 3.40 3.49

Time of initial

readinghh:mm N/A 11:45 14:00

Datedd/mm/

yyyyN/A 31/03/2015 16/04/2015

Well volume N/A N/A

Monitoring round

no.N/A N/A 1 2

Measured

ParameterUnits

Detection

Limit

Depth to base of installation 9.10

Distance to monitoring point from datum 9.00 Monitoring Point ID 1

08Client Atkins

OB = Open Borehole, SP = Standpipe, SPIE = Piezometer, GMP = Gas monitoring point,

GWP = Groundwater monitoring point, SS = Surface Sample, NR = Not Recorded

Well Type Standpipe

Project Name Silvertown Tunnel Record Of In-Situ

Water Monitoring

Hole ID

G25AProject No. TA7510

Engineer Atkins Table no.

Page 348: ta7510 - report on a ground investigation for sivertown tunnel