j05 267 140r march2007v15 sdt - transport scotland...location of boreholes project: drawing: client:...

Mouchel Fairhurst JV Raith M74 Junction 5

March 2007 J05/267/140R

Figures

0m 1000m500m

Junction 5 – M74

Reproduced from Road Map 3 1:250 000 scale by permission of Ordnance Survey ® on

behalf of The Controller of Her Majesty’s Stationery Office. © Crown Copyright 2001. All

rights reserved. Licence number 100046014

Groundwater Specialists

Drawing:

OGIProject:

Client: Description:

Date: Drawn by: Checked by:

© Oxford Geotechnica International (UK) Ltd 2006

Junction 5 - M74Raith

Mouchel Fairhurst JV

August 2006

Figure 1.1(J05/267/223D)

Site location

JGG DJF

Not To Scale


Drawing:

OGIProject:






August 2006

Figure 2.1(J05/267/264D)

Site location and surrounding area

JGG

Not To ScaleReproduced from Landranger(r) 1: 50 000 scale by permission of Ordnance Survey(r) on behalf of The Controller of Her Majesty's Stationery Office. (c)Crown copyright 2005. All rights reserved. Licence number WL9029.

Pond No. 5

Location of Site

River Clyde

StrathclydeLoch

Proposed Location of Underpass

DJF

Pond No. 1 (in SSSI)

70 71 72 73

57

58

59

60

61


Drawing:

OGIProject:






August 2006

Figure 2.2(J05/267/225D)

Proposed route of underpass

JGG DJF

Proposed Route of Underpass

Not To Scale

Based on Mouchel Fairhurstdrawings referenceM8MFJV.ST3.G.1212revB,M8MFJV.ST3.G.1214revA andRAITHMFJV/ST3/S/1010

Ch.500.0

Ch.650.0

Ch.900.0

OGIProject:

Client:

Drawing:

Description:Groundwater Specialists

Date:

Drawn by: Checked by:



Figure 3.1J05/267/266D


November 2006

DJF

Metres OD

Idealised Conceptual Model

Not to Scale

30

25

20

15

10

5

0

SDT

M74

South North

Highest recordedPiezometric water levelin BH270A @ 25.92m OD

Approx. 600 m

Approx. 700m

Pond 1

RiverClyde

Pond No.5

Approx. 400 m

Lowest recordedPiezometric water levelin BH217 @ 18.56m OD

30

25

20

15

10

5

0

A725 A725BH217

BH 230

BH 270A

Idealised Conceptual model

Level of rock headunknown at this location

Ground conditions andgeology unknown

Made Ground

Glacial Till

Marine and Glaciolacustrine Silt/Clay

ROCK HEADUpper Coal Measures which includes horizons of Sandstone, Mudstone and Siltstone

Proposed underpass

Lower Sand and Gravel Alluvial and Glacial deposits consisting of horizons of Sands, Gravels, Silts, Clay, and Glacial Till

Upper Sand and Gravel Alluvial and Glacial deposits consisting of Silt and Clay with horizons of sand and gravel

Pond 3

Metres OD

Location of Boreholes

Drawing:Project:


Drawn by:Date:

© OGI Groundwater Specialists Limited 2007

J5 M74 Raith

Mouchel-Fairhurst JV

March 2007

Figure 4.1(J05/267/276D)

JG DFChecked by:

Scale: Not To ScaleDrawing based on: Raeburn Fig No A2 (Contract No. 18622-04)

4BH2084BH209

4BH207

4BH207A

4BH211

4BH215

4BH2164BH217

4BH221

4BH2244BH225

4BH218B

4BH226

4BH2274BH228

4BH2314BH233

4BH234

4BH238A

4BH238B

4BH239

4BH241

4BH242

4BH243

4BH247

4BH249

4BH252A

4BH214

4BH265

4BH266

4BH268

4BH269

4BH270A

4BH272

4BH274

4BH288

4BH290

4BH2534BH255

4BH275

110 m to NNE20 m to NE

270 m to SW4BH201

N

Pumping and Observation WellObservation Well

Response Zone in Lower GravelResponse Zone in Upper Gravel

Response Zone in RockResponse Zone in Clay

Response Zone in Upper and Lower Gravel

Key

100 m(Approximate Scale)

4BH210

Use of Well:

Response Zone Location:


Drawing:

OGIProject:






March 2007

Figure 4.2 (J05/267/298D)

Contour plot of groundwater levels

LCP

N

18.0m OD

18.5m OD

19.0m OD

19.5m OD

20.0m OD

20.5m OD

21.0m OD

21.5m OD

22.0m OD

22.5m OD

23.0m OD

23.5m OD

24.0m OD

24.5m OD

25.0m OD

SDT

Project:

Client:

Drawing:


OGIDate:




Figure 5.1J05/267/230D

JGGDrawdown curve

August 2006


Pumping from 4BH217 - 8hr testDrawdown observed in 4BH216

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.200.00 100.00 200.00 300.00 400.00 500.00 600.00

Time in minutes since start of test

Dra

wdo

wn

in m

etre

s

SDT

Project:

Client:

Drawing:


OGIDate:




Figure 5.2J05/267/231D

JGGLogarithmic drawdown curve

August 2006


Pumping from 4BH217 - 8hr testDrawdown observed in 4BH216 (semi-log graph)

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.201.00 10.00 100.00 1000.00


Dra

wdo

wn

in m

etre

s

SDT

Project:

Client:

Drawing:


OGIDate:




Figure 5.3J05/267/232D

JGGLogarithmic curve and best fit line

August 2006


Pumping from 4BH217 - 8hr testDrawdown observed in 4BH216 (semi-log graph)

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.201.00 10.00 100.00 1000.00


Dra

wdo

wn

in m

etre

s

0.1500

0.0845

0.0655

SDT

Q = 94.2 m3/dayT = 263.2 m2/day

BH209 Pump Test Well Locations

Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.4(J05/267/278D)

JG DFChecked by:


4BH2084BH209

4BH207

4BH207A

4BH217

4BH214*

N

Pumping WellObservation Well


Response Zone in Rock


Key


Use of Well:


* - Indicates that the data from this well was not analysed

BH209 Pumping TestLocation of Pumping and Observation Wells

First Test Date: 02 Feb 06First Test Duration: 2.5 hours

Second Test Date: 06 Feb 06Second Test Duration: 8 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.5(J05/267/279D)

JG DFChecked by:


4BH2084BH209

4BH2164BH217 4BH218B

4BH265

N





Key


Use of Well:




Test Date: 14 Feb 06Test Duration: 8 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.6(J05/267/280D)

JG DFChecked by:


4BH2084BH209

4BH2164BH217

4BH225

4BH218B

4BH265

N





Key


Use of Well:




Test Date: 23 Feb 06 – 24 Feb 06Test Duration: 24 hours

BH265A Pump Test Well Locations

Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.7(J05/267/300D)

JG DFChecked by:


4BH2084BH209

4BH2164BH217

4BH225

4BH218B

4BH265

N





Key


Use of Well:




Test Date: 28 Feb 06 – 01 Mar 06Test Duration: 24 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.8(J05/267/282D)

JG DFChecked by:


4BH241*

4BH265*

4BH270A

4BH272

4BH274

4BH290

N





Key


Use of Well:



BH270A Pumping TestLocation of Pumping and Observation Wells

Test Date: 14 Apr 06Test Duration: 8 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.9(J05/267/283D)

JG DFChecked by:


4BH2284BH288

N





Key


Use of Well:




Test Date: 04 May 06Test Duration: 8 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.10(J05/267/284D)

JG DFChecked by:


4BH224

4BH218B

4BH234

4BH265

4BH266

4BH268*

4BH288

N





Key


Use of Well:




Test Date: 08 May 06Test Duration: 8 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.11(J05/267/285D)

JG DFChecked by:


4BH2164BH217 4BH218B

4BH233*

4BH266

4BH269*

4BH270A*

N





Key


Use of Well:




Test Date: 13 May 06 – 19 May 06Test Duration: 6 days


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.12(J05/267/286D)

JG DFChecked by:


4BH228*

4BH234

4BH238B

4BH239

4BH252A

4BH265*

4BH266

4BH268

4BH270A

4BH274

4BH290

N





Key


Use of Well:



BH270A Pumping TestLocation of Pumping and Observation Wells

Test Date: 22 May 06 – 06 Jun 06Test Duration: 14 days, 18 hours


Drawing:Project:


Drawn by:Date:


J5 M74 Raith


March 2007

Figure 5.13(J05/267/287D)

JG DFChecked by:


4BH225*

4BH2314BH233*

4BH234

4BH239*

4BH241*

4BH268*

4BH269

N





Key


Use of Well:




Test Date: 10 Jun 06 – 11 Jun 06Test Duration: 24 hours

Project:

Client:

Drawing:


OGIDate:



Pump Well 270AObservation 272

March 2007

SDT JGG

Figure 5.14(J05/267/288D)

0.000

0.200

0.400

0.600

0.800

1.000

1.200

1.400

1.600

1.800

2.0000.00 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00

Time in minutes since start of pump test

Dra

wdo

wn

in m

etre

s

Pumping Rate = 1135 cu.m/day Distance from Obs Well = 174m

Pumping Period

Recovery Period

Pumping from BH270A - 14 Apr 06 Drawdown in Observation Well 272



Project:

Client:

Drawing:


OGIDate:


© OGI Groundwater Specialists 2007Mouchel Fairhurst JV Pump Well 270A

Observation 272

March 2007

SDT JGG

Figure 5.15(J05/267/289D)

Pumping from BH270A - 14 Apr 06 Drawdown in Observation Well 272

Simulated by Groundwater Computer Model0.000

0.200

0.400

0.600

0.800

1.000

1.200

1.400

1.600

1.800

2.0000.00 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00

Time in minutes since start of pump test

Dra

wdo

wn

in m

etre

s

Pumping Rate = 1135 cu.m/day Distance from Obs Well = 174m

Pumping Period Recovery Period

Computer Simulation of Drawdown With Transmissivity T = 80sq.m/d Storage Coefficient, S = 0.0007


Project:

Client:

Drawing:


OGIDate:


© OGI Groundwater Specialists 2007


Figure 5.16J05/267/290D

JGGLogarithmic curve and CVM fit line

March 2007

Mouchel Fairhurst JV SDT

T = 55 sq.m/day

S = 0.0006

Leakance = 0.00285 /day

-0.500

0.000

0.500

1.000

1.500

2.000

2.500

3.000

3.5001 10 100 1000 10000 100000

Time in Minutes Since Start of Pump Test

Dra

wdo

wn

in M

etre

s

Field Data

CVM Fit


Drawing:

OGIProject:






March 2007

Figure 6.1(Ref:J05/267/291D)

Drawing showing possible location of internal wells

SDT

Not To Scale

Based on Mouchel Fairhurstdrawings referenceM8MFJV.ST3.G.1212revB andRAITHMFJV/ST3/S/1010

Structural deck 1AWestern Roundabout

Structural deck 1BM74

Structural deck 1C Eastern Roundabout

JGG

Northeast Dewatering wells

Southwest Dewatering Wells

100 metres

Approximate Scale

Ch.500.0

Ch.650.0

Ch.900.0

Piezometric Levels (Chainage Section)

14

16

18

20

22

24

26

28

0 200 400 600 800 1000 1200 1400 1600

Distance along chainage (m)

Piez

omet

ric h

ead

(m)

OGIProject:

Client:

Drawing:


Date:




Figure 6.2(J05/267/292D)


March 2007

JGGPreconstruction

groundwater level SW - NE section

SDT

Measured Groundwater Levels in Boreholes

Modelled Initial Piezometric Level

OGIProject:

Client:

Drawing:


Date:




Figure 6.3(J05/267/247D)


August 2006

SDT LCP

CLCut-off wall

Simulated groundwater flow to underpassexcavation with cut-off wall penetrating to 7m OD

Groundwater flow net with penetrating cut-off

wall to 7m OD

+14m OD

+22m ODGroundwater

Discharge

Underpass

Made Ground

Sand/Gravel

Rock

OGIProject:

Client:

Drawing:


Date:




Figure 6.4(J05/267/248D)


August 2006

SDT LCP

CLCut-off wall

Simulated groundwater flow to underpassexcavation with cut-off wall penetrating to 7m OD

Water table with cut-off penetrating wall to 7m OD

+16m OD

Underpass

GroundwaterDischarge

+14m OD

Water Table

Note: Water Table immediately outside cut off wall is 16m OD

+22m OD


14

16

18

20

22

24

26

28

0 200 400 600 800 1000 1200 1400 1600


Piez

omet

ric h

ead

(m)

OGIProject:

Client:

Drawing:


Date:




Figure 6.5(J05/267/293D)


March 2007

JGGDewatered

groundwater level SW - NE section

SDT

Measured Groundwater Levels in Boreholes


Simulated Dewatering Piezometric Level


Drawing:

OGIProject:






August 2006

Figure 6.6(J05/267/250D)

Plan view of section along proposed unerpass

JGG

Not To ScaleReproduced from Landranger(r) 1: 50 000 scale by permission of Ordnance Survey(r) on behalf of The Controller of Her Majesty's Stationery Office. (c)Crown copyright 2005. All rights reserved. Licence number 100046014.

DJF

70 71 72 73

57

58

59

60

61

Section Along Proposed Underpass


Drawing:

OGIProject:






August 2006

Simulated drawdown

JGG SDT

Figure 6.7(J05/267/251D)

1m

2m

1.5m

PredictedPiezometric Drawdown


Piezometric head at excavation at 16m OD.


Drawing:

OGIProject:






March 2007

Drawdown simulation for14m OD inside excavation

JGG SDT

Figure 6.8(J05/267/299D)

Not To ScaleReproduced from Landranger(r) 1: 50 000 scale by permission of Ordnance Survey(r) on behalf of The Controller of Her Majesty's Stationery Office. (c)Crown copyright 2005. All rights reserved. Licence number 100046014.

3m

1m

2m

PredictedPiezometric Drawdown


14

16

18

20

22

24

26

28

0 200 400 600 800 1000 1200 1400 1600


Piez

omet

ric h

ead

(m)

OGIProject:

Client:

Drawing:


Date:




Figure 6.9(J05/267/294D)


March 2007

JGGArtesian pressure relief

SW-NE along underpass

SDT


Reduction in Piezometric Head During FirstStage Dewatering/Pressure Relief


Drawing:

OGIProject:






March 2007

Simulated reduction in artesian pressure head

JGG SDT

Figure 6.10(J05/267/295D)

1.0m

1.4m

1.2m


Simulated Reduction in Artesian Pressure Head Due to First Stage Dewatering and Artesian Pressure Relief


Drawing:

OGIProject:






March 2007

Simulated reduction in artesian pressure head

JGG SDT

Figure 6.11(J05/267/296D)

1.0m

1.4m

1.2m


Simulated Reduction in Artesian Pressure Head Due to First Stage Dewatering and Artesian Pressure Relief

OGIProject:

Client:

Drawing:


Date:




Figure 6.12 J05/267/275D

Mouchel Fairhurst JV SDTConceptual modelat Pond No.5

Not to Scale

JGG

Conceptual model of the groundwater and surface water flow recharging at Pond No. 5

Likely small Contribution of Artesian water

recharging the pond

Surface wa

ter recharg

e

Pond No. 5

Alluvial / Glacial deposits consisting of Sand, Gravel,

Silt and Clay

Direction of groundwater flow

ROCK - depth to rock head uncertainbut assumed to be approximately 15m bgl


February 2007

DirectRainfall

Near Surfa

ce

Groundwa

ter Flow

Alluvial / Glacial deposits consisting of Sand, Gravel,

Silt and Clay

Surface wate

r

recharge

Near Surfa

ce

Groundwa

ter Flow

OGIProject:

Client:

Drawing:


Date:




Figure 7.1(J05/267/297D)


March 2007

SDT DJFPiezometric head during dewatering

Pre-Construction & during Dewatering Piezometric Head

-10

-5

0

5

10

15

20

25

16 17 18 19 20 21 22 23 24 25 26

Piezometric Head (mOD)

Elev

atio

n (m

OD

)Initial pre-Dewatering Piezometric Head Distribution

Dewatering to 18mOD

3m Head reduction to ground levelFurther 4m Head reduction to 18mOD head

Ground Level 22mOD

Reduced Piezometrichead to 18m OD

Initial Artesian Head

Dewatering to 22mOD

Rock

Initial seepagedue to upward

hydraulic gradient

General downward flow torock from natural surface recharge

Rock

OGIProject:

Client:

Drawing:


Date:




Figure 7.2(J05/267/258D)

Mouchel Fairhurst JV SDTConceptual model of existing conditions

at north of site

Not to Scale

DJF

Conceptual model of the upward flow of groundwater under existing conditions

Artesian water recharging upper strata


in upper Sand & Gravel

ROCK - depth to rock head uncertainbut assumed to be at approximately 0mOD


in Rock

August 2006

Existing Piezometric

surface in rock to n

ear ground surface

Clay aquitard

Existing water table

in upper aquifer

OGIProject:

Client:

Drawing:


Date:




Figure 7.3(J05/267/259D)

Mouchel Fairhurst JV SDTConceptual modelat north of site

Not to Scale

DJF

Conceptual model of the upward flow of groundwater under dewatering conditions

Reduced Artesian water recharging upper strata


in upper Sand & Gravel

ROCK - depth to rock head uncertainbut assumed to be at approximately 0mOD


in Rock

August 2006

Depressed Piezome

tric surface in rock t

o near ground surfa

ce

Clay aquitard

Lowering of water t

able in upper aquife

r

OGIProject:

Client:

Drawing:


Date:




Figure 7.4(J05/267/260D)


August 2006

LCPSchematic of recharge system

SDT

Not to Scale

Q outQ in Q out Q inExcavation


Drawing:

OGIProject:






August 2006

Figure 7.5(Ref:J05/267/261D)

Possible location of dewatering and external recharge wells

SDT

Not To Scale

Based on Mouchel Fairhurstdrawings referenceM8MFJV.ST3.G.1212revB andRAITHMFJV/ST3/S/1010

JGG

Preliminary Drawing

100 metres

Approximate Scale

Internal Dewatering Wells

External Recharge Wells

Ch.500.0

Ch.650.0

Ch.500.0

j05 267 140r march2007v15 sdt - transport scotland...location of boreholes project: drawing: client:...

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