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REPORT
Earthquake Commission Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui Appendix C: Borehole Logs
Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui
Appendix C: Borehole Logs T&T Ref. REP-BEX-FAC
Earthquake Commission January 2011
REPORT
Report prepared for:
EARTHQUAKE COMMISSION
Report prepared by:
TONKIN & TAYLOR LTD
Distribution:
EARTHQUAKE COMMISSION 3 copies
TONKIN & TAYLOR LTD (FILE) 1 copy
January 2011
T&T Ref: REP-BEX-FAC
Earthquake Commission Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui Appendix C: Borehole Logs
Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui
Appendix C: Borehole Logs T&T Ref. REP-BEX-FAC
Earthquake Commission January 2011
Appendix C: Borehole Logs
Summary Sheet – Bexley & Aranui BEX 10
Borehole ID Maximum depth (m)
Location (mE)
Location (mN)
Ground level R.L
Method Drilling Company
BH-BEX-01 15.00 2487831.73 5743890.93 2.16 HQ Coring Perry
BH-BEX-02 15.00 2487862.55 5743776.50 1.82 HQ Coring Perry
BH-BEX-03 15.00 2487759.13 5743477.43 1.35 HQ Coring Perry
BH-BEX-04 30.00 2487606.15 5743239.39 1.96 HQ Coring Perry
BH-BEX-05 15.00 2487403.50 5743116.28 1.99 HQ Coring Perry
SA
MP
LE
BA
GG
ED
OP
EN
BA
RR
EL
HAND DIG FILL.(Potholed for servicescheck and backfilled.)
YALDHURSTFORMATION(Overbank silt)
CHRISTCHURCHFORMATION(Coastal Sand)
0/0/0/0/1N=1PSD WS
FC
1/1/1/2/2N=4
FC
3/3/3/4/5N=15
FC
FILL
ML
SP
SW
VS
VL
L
MD
65
D
M
W
FILL: Silty fine SAND, brown. Dry, wellgraded. (Borehole drilled through pre-dugand backfilled pothole)
SILT with trace fine sand and rootlets,greyish brown. Moist, low plasticity.
- 1.5m to 2.1m no recovery
Fine SAND with some silt, grey. Wet,poorly graded. Silt present in very thin beds.
Fine to medium SAND, grey. Wet, wellgraded.
6010
0
Hole Location:BH-BEX-01-Bexley
SHEET 1 OF 3
BOREHOLE No: BEX-01
BORELOG BEXLEY.GPJ 26/1/11
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
2.16 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 13/12/10
HOLE FINISHED: 13/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP/CRS CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743890.932487831.73
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal Sand)
FC
1/2/4/3/6N=15
FC
5/2/4/5/8N=19
FC
PSD WS
4/5/5/5/6N=21
FC
SW
SP
MD
65
W Fine to medium SAND, grey. Wet, wellgraded.
Fine SAND with trace silt, grey. Wet,poorly graded.
- thin bed of silt
100
100
100
100
Hole Location:BH-BEX-01-Bexley
SHEET 2 OF 3
BOREHOLE No: BEX-01
BORELOG BEXLEY.GPJ 26/1/11
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
)
-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
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
)
10
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
2.16 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 13/12/10
HOLE FINISHED: 13/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP/CRS CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743890.932487831.73
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal Sand)
1/1/3/5/7N=16
4/4/6/8/13N=31
6/5/6/9/10N=30
3/3/6/7/10N=26
SP MD
D
MD
65
W Fine SAND with trace silt, grey. Wet,poorly graded.
- thin bed of silt
End of borehole at 15mbgl.
100
100
100
Hole Location:BH-BEX-01-Bexley
SHEET 3 OF 3
BOREHOLE No: BEX-01
BORELOG BEXLEY.GPJ 26/1/11
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
)
-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
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
)
15
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
2.16 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 13/12/10
HOLE FINISHED: 13/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP/CRS CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743890.932487831.73
TONKIN & TAYLOR LTD
SA
MP
LE
BA
GG
ED
OP
EN
BA
RR
EL
HAND DIG FILL.(Potholed for servicescheck and backfilled.)
YALDHURSTFORMATION(Overbank silt)
CHRISTCHURCHFORMATION(Coastal sand)
2/1/1/1/2N=5
PSD HYD
FC
4/3/2/3/4N=12
FC
FC
0/1/0/0/1N=2
FILL
ML
SP
L
MD
VL
65
D
W
FILL: Silty, fine to medium SAND, brown.Dry, well graded. (Borehole drilled throughpre-dug and backfilled pothole.)
Fine sandy SILT, dark grey. Wet, lowplasticity.
Fine SAND, grey. Wet, poorly graded.
- moderately thin bed of silt
100
100
Hole Location:BH-BEX-02-Bexley
SHEET 1 OF 3
BOREHOLE No: BEX-02
BORELOG BEXLEY.GPJ 26/1/11
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
)
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
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
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.82 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 10/12/10
HOLE FINISHED: 10/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743776.52487862.55
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
FC
3/1/1/1/1N=4
FC
PSD WS
FC
5/4/6/6/8N=24
PSD WS
5/4/5/5/6N=20
FC
SP
SW
SP
VL
L
MD
65
W Fine SAND, grey. Wet, poorly graded.
Fine to medium SAND, greyish brown.Wet, well graded.- laminated silt layersFine SAND, grey. Wet, poorly graded.
- very thin bed of silt
- very thin bed of silt
- very thin bed of silt
- very thin bed of silt
100
100
100
100
Hole Location:BH-BEX-02-Bexley
SHEET 2 OF 3
BOREHOLE No: BEX-02
BORELOG BEXLEY.GPJ 26/1/11
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
)
-3.5
-4.0
-4.5
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8.0
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
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
)
10
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.82 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 10/12/10
HOLE FINISHED: 10/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743776.52487862.55
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
4/4/8/9/14N=35
5/4/5/7/10N=26
4/5/8/7/9N=29
2/4/6/8/11N=29
SP MD
D
MD65
W Fine SAND, grey. Wet, poorly graded.
- trace shells
End of borehole at 15mbgl.
100
100
100
Hole Location:BH-BEX-02-Bexley
SHEET 3 OF 3
BOREHOLE No: BEX-02
BORELOG BEXLEY.GPJ 26/1/11
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
)
-8.5
-9.0
-9.5
-10.0
-10.5
-11.0
-11.5
-12.0
-12.5
-13.0
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
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
)
15
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.82 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 10/12/10
HOLE FINISHED: 10/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743776.52487862.55
TONKIN & TAYLOR LTD
SA
MP
LE
BA
GG
ED
OP
EN
BA
RR
EL
FILL. (Potholed forservices check andbackfilled.)
CHRISTCHURCHFORMATION(Coastal sand)
0/1/0/1/0N=2
FC
FC
PSD WS
4/3/3/3/5N=14
FC
3/5/4/5/4N=18
SP
ML
SP
VL
VSt
F
MD
65
D
W
FILL (Borehole drilled though pre-dug andbackfilled pothole.)
Fine SAND with some silt, grey. Wet,poorly graded.
- 1.2m to 1.5m no recovery
Sandy SILT, grey. Wet, low plasticity.Sand is fine.
Fine to medium SAND, grey. Wet, poorlygraded.
5010
010
0
Hole Location:BH-BEX-03-Bexley
SHEET 1 OF 3
BOREHOLE No: BEX-03
BORELOG BEXLEY.GPJ 26/1/11
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
)
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.35 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 9/12/10
HOLE FINISHED: 9/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743477.432487759.13
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
FC
2/1/2/5/7N=15
FC
FC
3/4/5/4/4N=17
FC
4/4/7/8/12N=31
FC
SP
SP
SP
MD
D
65
W Fine to medium SAND, grey. Wet, poorlygraded.
Medium SAND, grey. Wet, poorly graded.
Fine SAND with trace shell fragments, grey.Wet, poorly graded.
100
100
100
100
Hole Location:BH-BEX-03-Bexley
SHEET 2 OF 3
BOREHOLE No: BEX-03
BORELOG BEXLEY.GPJ 26/1/11
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
)
-4.0
-4.5
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8.0
-8.5
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
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
)
10
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.35 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 9/12/10
HOLE FINISHED: 9/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743477.432487759.13
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
6/5/9/10/14N=38
3/3/6/9/11N=29
4/5/8/10/12N=35
6/6/9/11/16N=42
SP D
MD
D
65
W Fine SAND with trace shell fragments, grey.Wet, poorly graded.
End of borehole at 15mbgl.
100
100
100
Hole Location:BH-BEX-03-Bexley
SHEET 3 OF 3
BOREHOLE No: BEX-03
BORELOG BEXLEY.GPJ 26/1/11
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
)
-9.0
-9.5
-10.0
-10.5
-11.0
-11.5
-12.0
-12.5
-13.0
-13.5
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
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
)
15
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.35 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 9/12/10
HOLE FINISHED: 9/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743477.432487759.13
TONKIN & TAYLOR LTD
SA
MP
LE
BA
GG
ED
OP
EN
BA
RR
EL
HAND DIG FILL.(Potholed for servicescheck and backfilled.)
SUBDIVISIONCONSTRUCTIONFILL
CHRISTCHURCHFORMATION(Coastal sand)
PSD WS
FC
PSD HYD
3/3/3/4/8N=18FC
3/3/3/3/3N=12
SW
ML
SP
SW
VL
VS
MD
65
D
W
FILL. (Borehole drilled through pre-dug andbackfilled pothole.)
FILL: Fine SAND with some silt, brown.Dry, well graded.
FILL: SILT with some sand, grey. Wet, lowplasticity. Sand is fine.
- red brick
Fine SAND, grey. Wet, poorly graded.
Fine to medium SAND, grey. Wet, wellgraded.
100
100
Hole Location:BH-BEX-04-Bexley
SHEET 1 OF 6
BOREHOLE No: BEX-04
BORELOG BEXLEY.GPJ 26/1/11
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
)
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
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
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.96 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 8/12/10
HOLE FINISHED: 8/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743239.392487606.15
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
FC
0/1/0/1/1N=3FC
FC
3/2/2/3/5N=12FC
3/3/5/6/6N=20PSD WS
SW MD
VL
MD
65
W Fine to medium SAND, grey. Wet, wellgraded.
100
100
100
100
Hole Location:BH-BEX-04-Bexley
SHEET 2 OF 6
BOREHOLE No: BEX-04
BORELOG BEXLEY.GPJ 26/1/11
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
)
-3.5
-4.0
-4.5
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8.0
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
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
)
10
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.96 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 8/12/10
HOLE FINISHED: 8/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743239.392487606.15
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
FC
4/4/4/5/6N=19
3/4/6/7/10N=27
3/4/7/10/15N=36
SW
SP
MD
D
65
W Fine to medium SAND, grey. Wet, wellgraded.
Fine SAND with trace shells, grey. Wet,poorly graded.
100
100
100
100
Hole Location:BH-BEX-04-Bexley
SHEET 3 OF 6
BOREHOLE No: BEX-04
BORELOG BEXLEY.GPJ 26/1/11
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
)
-8.5
-9.0
-9.5
-10.0
-10.5
-11.0
-11.5
-12.0
-12.5
-13.0
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
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
)
15
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.96 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 8/12/10
HOLE FINISHED: 8/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743239.392487606.15
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
2/3/5/9/13N=30
7/9/13/16/12for 40mmN=50
2/2/2/4/6N=14
SP
SP
SP
MD
VD
MD
65
W Fine to medium SAND, grey. Wet, wellgraded.
Fine to medium SAND interbedded withthin to very thin beds of silt, grey. Wet,poorly graded. Silt has low plasticity and iscohesive.
Fine SAND, grey. Wet, poorly graded.
100
100
100
100
Hole Location:BH-BEX-04-Bexley
SHEET 4 OF 6
BOREHOLE No: BEX-04
BORELOG BEXLEY.GPJ 26/1/11
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
)
-13.5
-14.0
-14.5
-15.0
-15.5
-16.0
-16.5
-17.0
-17.5
-18.0
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
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
)
20
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.96 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 8/12/10
HOLE FINISHED: 8/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743239.392487606.15
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
5/2/2/4/7N=15
4/1/3/2/3N=9
2/2/2/3/6N=13
SP
ML
SP
MD
S
MD
65
W Fine to medium SAND, grey. Wet, wellgraded.
- shell fragments
SILT, grey. Wet, low plasticity, cohesive.
Fine SAND with trace shells, grey. Wet,poorly graded.
100
100
100
100
Hole Location:BH-BEX-04-Bexley
SHEET 5 OF 6
BOREHOLE No: BEX-04
BORELOG BEXLEY.GPJ 26/1/11
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
)
-18.5
-19.0
-19.5
-20.0
-20.5
-21.0
-21.5
-22.0
-22.5
-23.0
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
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
)
25
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.96 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 8/12/10
HOLE FINISHED: 8/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743239.392487606.15
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
5/5/11/14/20N=50
3/2/2/3/6N=13
3/4/8/11/14N=37
3/2/1/2/2N=7
SW
SW
SP
SP
MD
D
MD
D
65
W Fine to medium SAND, grey. Wet, wellgraded.Fine to medium SAND with trace shells,grey. Wet, well graded.
Fine SAND, grey. Wet, poorly graded.
- wood
Fine to medium SAND, grey. Wet, poorlygraded.
End of borehole at 30mbgl.
100
100
100
Hole Location:BH-BEX-04-Bexley
SHEET 6 OF 6
BOREHOLE No: BEX-04
BORELOG BEXLEY.GPJ 26/1/11
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
)
-23.5
-24.0
-24.5
-25.0
-25.5
-26.0
-26.5
-27.0
-27.5
-28.0
DE
PT
H (
m)
25.5
26.0
26.5
27.0
27.5
28.0
28.5
29.0
29.5
25.5
26.0
26.5
27.0
27.5
28.0
28.5
29.0
29.5
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
)
30
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.96 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/Concentrix
HOLE STARTED: 8/12/10
HOLE FINISHED: 8/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743239.392487606.15
TONKIN & TAYLOR LTD
SA
MP
LE
BA
GG
ED
OP
EN
BA
RR
EL
HAND DIG FILL.(Potholed for servicescheck and backfilled.)
SUBDIVISIONCONSTRUCTIONFILL
YALDHURSTFORMATION(Overbank silt)
CHRISTCHURCHFORMATION(Coastal sand)
0/2/1/1/2N=6
PSD WS
FC
1/1/1/2/3N=7
FC
FC
0/1/2/3/4N=10
ML
ML
SP
SP
S
L
65
W FILL: Fine to medium SAND with somesilt, brown. Wet, well graded. (Boreholedrilled through pre-dug and backfilledpothole.)
FILL: Sandy SILT with some gravel andtrace organics (wood), brown. Wet, lowplasticity. Sand is fine to medium. Gravel isangular (fill).
SILT with some sand, grey. Wet, lowplasticity. Sand is fine.
- 1.5m to 1.95m no recovery
Fine SAND with some silt, grey. Wet,poorly graded.
Fine SAND, grey. Wet, poorly graded.
100
3610
0
Hole Location:BH-BEX-05-Bexley
SHEET 1 OF 3
BOREHOLE No: BEX-05
BORELOG BEXLEY.GPJ 26/1/11
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
)
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.99 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/concentrix
HOLE STARTED: 7/12/10
HOLE FINISHED: 7/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743116.282487403.5
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand)
4/1/2/3/2N=8
FC
3/3/4/3/2N=12
FC
PSD WS
3/3/4/2/2N=11
FC
SP L
MD
65
W Fine SAND, grey. Wet, poorly graded.
- 6.5m to 7.5m trace silt
100
100
100
100
Hole Location:BH-BEX-05-Bexley
SHEET 2 OF 3
BOREHOLE No: BEX-05
BORELOG BEXLEY.GPJ 26/1/11
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
)
-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
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
)
10
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.99 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/concentrix
HOLE STARTED: 7/12/10
HOLE FINISHED: 7/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743116.282487403.5
TONKIN & TAYLOR LTD
OP
EN
BA
RR
EL
CHRISTCHURCHFORMATION(Coastal sand) FC
3/2/4/4/4N=14
2/2/2/2/3N=9
2/0/1/1/2N=4
3/4/6/7/11N=28
SP MD
L
D
65
W Fine SAND, grey. Wet, poorly graded.
- potentially low N value due to drillingdifficulties
- 14.1m to 14.3 trace shells
End of borehole at 15mbgl.
100
100
100
Hole Location:BH-BEX-05-Bexley
SHEET 3 OF 3
BOREHOLE No: BEX-05
BORELOG BEXLEY.GPJ 26/1/11
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
)
-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
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
)
15
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: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001
1.99 m
Lyttleton 1937
DRILL TYPE:
DRILL METHOD: Open barrel/concentrix
HOLE STARTED: 7/12/10
HOLE FINISHED: 7/12/10
DRILLED BY: Perry Drilling
LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A
BORELOG BEXLEY.GPJ 26/1/11
T+
T_D
AT
AT
EM
PLA
TE
.GD
T e
ek
5743116.282487403.5
TONKIN & TAYLOR LTD
Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui
Appendix C: Borehole Logs T&T Ref. REP-BEX-FAC
Earthquake Commission January 2011