Earthquake Commission Christchurch Earthquake … fileAppendix C: Borehole Logs . ... BH-WAI-07 19.95 2484755.11 5743470.35 2.11 Sonic DCN ... 4.0 4.5 MOISTURE CONDITION ROCK DESCRIPTION

REPORT Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Wainoni Appendix C: Borehole Logs

Christchurch Earthquake Recovery Geotechnical Factual Report Wainoni Appendix C: Borehole Logs T&T Ref. REP-WAI-FAC Earthquake Commission November 2011

REPORT

Report prepared for: EARTHQUAKE COMMISSION

Report prepared by: Tonkin & Taylor LTD

Distribution:

EARTHQUAKE COMMISSION 1 copy

Tonkin & Taylor LTD (FILE) 1 copy

November 2011

T&T Ref: REP-WAI-FAC

Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Wainoni Appendix C: Borehole Logs


Christchurch Earthquake Recovery Geotechnical Factual Report Wainoni Appendix C: Borehole Logs Prepared by Tonkin & Taylor Limited for the Earthquake Commission

November 2011

Applicability This report was produced for the Earthquake Commission (EQC) to assist in assessing insurance claims made under the Earthquake Commission Act 1993. This report is not intended for any other purpose. It is recognised, however, that this report may assist central and local government planning for effective long-term solutions for the affected communities. Neither Tonkin & Taylor Ltd (T&T) nor the Earthquake Commission accepts any liability to any third party with respect to this report.

Limitations

This document is released for general information purposes only and should only be used for design purposes by appropriately qualified and experienced Scientists, Geologists and/or Professional Engineers. All of the data and information which is contained in this document may only be used for the purposes of recovery and repair of land and building damage associated with the Canterbury Earthquakes (04 September 2010 and 22 February 2011).

This report comprises a main body and separate appendices which must be read in their entirety and are to be used in conjunction with each other.


Appendix C: Borehole Logs

Summary Sheet – Wainoni WAI 72

Borehole ID Depth (m)

Location (mE)

Location (mN)

Ground level R.L

Method Drilling Company

BH-WAI-07 19.95 2484755.11 5743470.35 2.11 Sonic DCN BH-WAI-10 20.00 2484884.48 5742941.60 4.97 Sonic DCN

PR

E-D

UG

SO

NIC

SP

TS

ON

IC V

IBR

AT

ION

SP

TS

ON

IC V

IBR

AT

ION

SP

T

HAND DIG FILL.(Potholed for servicescheck and backfilled.)

YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)

4/4/6N=10

FC

2/4/8N=12

9/4/0N=4

ML

SP

FILL: Borehole drilled through pre-dug andbackfilled pothole.

SILT, bluish grey mottled orange brown.Stiff, moist, low plasticity.

- contains trace fine sand

- contains some fine sand

3.1 to 3.45m no recovery

Silty, fine SAND, grey. Medium dense, wet.

- sand becoming fine to medium

- 4.3m to 4.4m moderately thin silt layer

4.5 to 4.95m no recovery. Becoming loose.

010

010

010

0

M

W

St

MD

L

Hole Location: Wainoni Rd

SHEET 1 OF 5

BOREHOLE No: WAI 07

BORELOG 650494.000 BOREHOLE LOGS.GPJ 10/11/11

CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

2.0

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION

Substance: Rock type, particle size, colour,minor components.

Defects: Type, inclination, thickness,

BOREHOLE LOG

WA

TE

R

20 50 100 roughness, filling.

50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION

Soil type, minor components, plasticity orparticle size, colour.ORIGIN,

MINERAL COMPOSITION.

ENGINEERING DESCRIPTION

FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM

PROJECT: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: WAINONI JOB No: 52000.3200

2.11 m

NZMG

DRILL TYPE: Direct Push

DRILL METHOD: Sonic Vibration

HOLE STARTED: 6/9/11

HOLE FINISHED: 7/9/11

DRILLED BY: DCN

LOGGED BY: TH CHECKED: BMcDDRILL FLUID: N/A


T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5743470.35 mN2484755.11 mE

TONKIN & TAYLOR LTD

SO

NIC

VIB

RA

TIO

NS

PT

SO

NIC

VIB

RA

TIO

NS

PT

SO

NIC

VIB

RA

TIO

NS

PT

SO

NIC

VIB

R.

YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)

CHRISTCHURCHFORMATION(MARINE &ESTUARINE)

PSD WS

0/0/2N=2

FC

2/2/6N=8

FC

4/4/8N=12

SW

SW

SW

Silty, fine to medium SAND, grey. Loose,wet.Gravelly, fine to coarse SAND with tracesilt, dark grey. Loose, wet. Gravel is fine tocoarse, rounded to subrounded.

Fine to medium SAND, grey. Very loose,wet.



- becoming loose


- 8.3m to 8.4m with trace fine to medium,rounded to subrounded gravel- very closely spaced peat laminae- 8.55m to 8.65m moderately thin silt layer

- becoming medium dense


100

8610

086

W

W

W

L

L

VL

L

MD


SHEET 2 OF 5

BOREHOLE No: WAI 07


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-3.0

-3.5

-4.0

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


2.11 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5743470.35 mN2484755.11 mE

TONKIN & TAYLOR LTD

SP

TS

ON

IC V

IBR

AT

ION

SP

TS

ON

IC V

IBR

AT

ION

SP

TS

ON

IC V

IBR

AT

ION


1/0/0N=0

2/4/6N=10

FC

4/4/2N=6

SW Fine to medium SAND, grey. Mediumdense, wet.

- becoming very loose10.3 to 10.5m no recovery

Note: SPT results anomalously low from10.5mbgl. to end of hole.

- becoming loose



100

100

100

W MD

VL

L


SHEET 3 OF 5

BOREHOLE No: WAI 07


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-8.0

-8.5

-9.0

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


2.11 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5743470.35 mN2484755.11 mE

TONKIN & TAYLOR LTD

SP

TS

ON

IC V

IBR

AT

ION

SP

TS

ON

IC V

IBR

AT

ION

SP

TS

ON

IC V

IBR

AT

ION

SP

T

CHRISTCHURCHFORMATION(MARINE &ESTUARINE) 2/3/2

N=5

FC

4/6/6N=12

8/7/9N=16

FC

2/3/3N=6


- becoming medium dense


17.85 to 18.0m no recovery.


- becoming loose19.15 to 19.5m no recovery


100

8667

MD

L


SHEET 4 OF 5

BOREHOLE No: WAI 07


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-13.0

-13.5

-14.0

-14.5

-15.0

-15.5

-16.0

-16.5

-17.0

-17.5

DE

PT

H (

m)

15.5

16.0

16.5

17.0

17.5

18.0

18.5

19.0

19.5

15.5

16.0

16.5

17.0

17.5

18.0

18.5

19.0

19.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

20

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


2.11 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5743470.35 mN2484755.11 mE

TONKIN & TAYLOR LTD

End of borehole at 19.95mbgl. Openstandpipe piezometer installed. Please seeattached diagram in Appendix C.


SHEET 5 OF 5

BOREHOLE No: WAI 07


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-18.0

-18.5

-19.0

-19.5

-20.0

-20.5

-21.0

-21.5

-22.0

-22.5

DE

PT

H (

m)

20.5

21.0

21.5

22.0

22.5

23.0

23.5

24.0

24.5

20.5

21.0

21.5

22.0

22.5

23.0

23.5

24.0

24.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

25

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


2.11 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5743470.35 mN2484755.11 mE

TONKIN & TAYLOR LTD

PR

E-D

UG

SV

SP

TS

ON

IC V

IBR

.S

PT

SO

NIC

VIB

R.

SO

NIC

VIB

R.

SP

T

HAND DIG FILL.(Potholed for servicescheck and backfilled.)

YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL) FC

9/5/7/5/3N=20

FC

10/5/6/5/6N=22

FC

4/2/3/2/2N=9

SW

MOL

SW

ML

SW

FILL: Borehole drilled through pre-dug andbackfilled pothole.

Fine to medium SAND, dark grey. Mediumdense, moist.

Sandy, organic SILT with some rootlets,brown. Stiff, wet, non plastic.

Fine to medium SAND, dark grey. Mediumdense, moist.


- contains trace silt

SILT with some rootlets, grey. Stiff, moist,low plasticity.

Fine to medium SAND, dark grey. Loose,moist.

010

080

100

100

M

W

M

M

M

MD

St

MD

St

L

Hole Location: 69 Vancouver Cres

SHEET 1 OF 4

BOREHOLE No: WAI 10

BORELOG 650494.000.BOREHOLE LOGS A.GPJ 10/11/11

CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


4.97 m

NZMG





DRILLED BY: DCN/Griffiths



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5742941.6 mN2484884.48 mE

TONKIN & TAYLOR LTD

SO

NIC

VIB

R.

SP

TS

ON

IC V

IBR

.S

ON

IC V

IBR

.S

PT

SO

NIC

VIB

R.

SP

TS

ON

IC V

IBR

.


FC

6/3/3/4/4N=14

FC

12/5/4/6/7N=22

FC

15/9/11/16/23N>50

FC

SW

SW

Fine to medium SAND interbedded withsilt, dark grey. Loose, moist.

- 5.3 to 5.5m extremely closely spaced, siltlaminae

Fine to medium SAND, grey. Mediumdense, wet.

- sand becoming fine to coarse


- 8.0 to 8.7m contains some fine to medium,subrounded gravel

- sand becoming fine to medium

- becoming very dense

9.7 to 9.95 no recovery

100

100

7010

075

M

W

L

MD

VD


SHEET 2 OF 4

BOREHOLE No: WAI 10


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

-4.0

-4.5

-5.0

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


4.97 m

NZMG








T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5742941.6 mN2484884.48 mE

TONKIN & TAYLOR LTD

SO

NIC

VIB

R.

SP

TS

ON

IC V

IBR

.S

PT

SO

NIC

VIB

R.

SO

NIC

VIB

R.

SP

TS

ON

IC V

IBR

.


26/16/11/10/14N>50

12/9/12/10/16N=47

FC

10/9/10/9/10N=38

SW Fine to medium SAND interbedded withsilt, dark grey. Very dense, wet.


- contains some fine to medium, subroundedgravel11.55 to 12.0m no recovery

- becoming dense



6055

7010

070

W VD

D


SHEET 3 OF 4

BOREHOLE No: WAI 10


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-5.5

-6.0

-6.5

-7.0

-7.5

-8.0

-8.5

-9.0

-9.5

-10.0

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


4.97 m

NZMG








T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5742941.6 mN2484884.48 mE

TONKIN & TAYLOR LTD

SP

TS

ON

IC V

IBR

.S

ON

IC V

IBR

.S

PT

SO

NIC

VIB

R.

SP

TS

ON

IC V

IBR

.S

ON

IC V

IBR

.S

PT

CHRISTCHURCHFORMATION(MARINE &ESTUARINE) 12/7/7/7/7

N=28

13/10/9/10/10N=39

10/10/9/10/8N=37

FC12/10/11/10/11N=42

SW Fine to medium SAND interbedded withsilt, dark grey. Medium dense, wet.

- becoming dense




- contains trace shells

End of borehole at 20mbgl. Nopiezometer installed - backfilled with grout.

100

6090

9010

0

W MD

D


SHEET 4 OF 4

BOREHOLE No: WAI 10


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-10.5

-11.0

-11.5

-12.0

-12.5

-13.0

-13.5

-14.0

-14.5

-15.0

DE

PT

H (

m)

15.5

16.0

16.5

17.0

17.5

18.0

18.5

19.0

19.5

15.5

16.0

16.5

17.0

17.5

18.0

18.5

19.0

19.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

20

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


4.97 m

NZMG








T+

T_D

AT

AT

EM

PL

AT

E.G

DT

eek

5742941.6 mN2484884.48 mE

TONKIN & TAYLOR LTD


Documents

Earthquake Commission Christchurch Earthquake … fileAppendix C: Borehole Logs . ... BH-WAI-07 19.95 2484755.11 5743470.35 2.11 Sonic DCN ... 4.0 4.5 MOISTURE CONDITION ROCK DESCRIPTION