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Transcript of REPORT - eqc.govt.nz · Christchurch Earthquake Recovery Geotechnical Factual Report Woolston...
REPORT Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations
Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011
REPORT
Report prepared for: EARTHQUAKE COMMISSION
Report prepared by: Tonkin & Taylor LTD
Distribution:
EARTHQUAKE COMMISSION 1 copy
Tonkin & Taylor LTD (FILE) 1 copy
December 2011
T&T Ref: REP-CCM-FAC
Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations
Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011
Appendix A8: Investigation Location Plans and Geotechnical Investigations
Drawing GIP-CCM-A8
Woolston
Cone penetration testing summary table
Suburb CPT ID Depth (m)
Location (mE)
Location (mN)
Ground Surface RL
Ground Water Depth (m)
Comments
Woolston CPT-WSW-31 25.46 2483854.75 5738896.06 2.61 2.40
Woolston CPT-WSW-32 7.39 2484215.67 5738945.85 2.31 1.62 Piezometer installed
Woolston CPT-WSW-33 9.71 2484195.04 5738606.79 2.56 1.80 Seismic CPT
Woolston CPT-WSW-56 8.66 2485542.08 5739960.56 2.09 0.70
A typical detail of a piezometer installation is included in this Appendix.
Machine borehole drilling summary table
Suburb BH ID Depth (m)
Location (mE)
Location (mN)
Ground Surface RL
Method Drilling Company
Woolston BH-WSW-09 20.45 2484195.08 5738606.78 2.55 HQTT Prodrill
Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011
Cone penetration tests
Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 1 of 2 CPT-WSW-31 Test Date: 1-Jun-2011 Location: Woolston Operator: Perry
Pre-Drill: 1.2m Assumed GWL: 2.4mBGL Located By: Survey GPS
Position: 2483854.8mE 5738896.1mN 2.61mRL Coord. System: NZMG & MSL
Other Tests: Comments:
0
2
4
6
8
10
12
14
16
18
20
0 40 80 120 160 200 240 280 320 360 400
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12 14 16 18 20
Sleeve Friction (kPa)
Dep
th(
m)
Cone Resistance (MPa)Cone Sleeve
0 1 2 3 4 5 6
0 1 2 3 4 5 6
Friction Ratio (%)
0 100 200 300
0 100 200 300
Pore Pressure (kPa)
T+T Ref: 52000.3000 Printed: 8/09/2011 4:10 p.m. Template: CPT Graph Template v0.41.xls
Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 2 of 2 CPT-WSW-31 Test Date: 1-Jun-2011 Location: Woolston Operator: Perry
Pre-Drill: 1.2m Assumed GWL: 2.4mBGL Located By: Survey GPS
Position: 2483854.8mE 5738896.1mN 2.61mRL Coord. System: NZMG & MSL
Other Tests: Comments:
20
22
24
26
28
30
32
34
36
38
40
0 40 80 120 160 200 240 280 320 360 400
20
22
24
26
28
30
32
34
36
38
40
0 2 4 6 8 10 12 14 16 18 20
Sleeve Friction (kPa)
Dep
th(
m)
Cone Resistance (MPa)Cone Sleeve
0 1 2 3 4 5 6
0 1 2 3 4 5 6
Friction Ratio (%)
0 100 200 300
0 100 200 300
Pore Pressure (kPa)
T+T Ref: 52000.3000 Printed: 8/09/2011 4:10 p.m. Template: CPT Graph Template v0.41.xls
Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 1 of 1 CPT-WSW-32 Test Date: 1-Jun-2011 Location: Woolston Operator: Perry
Pre-Drill: 1.2m Assumed GWL: 2.2mBGL Located By: Survey GPS
Position: 2484215.7mE 5738945.9mN 2.31mRL Coord. System: NZMG & MSL
Other Tests: Comments:
0
2
4
6
8
10
12
14
16
18
20
0 40 80 120 160 200 240 280 320 360 400
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12 14 16 18 20
Sleeve Friction (kPa)
Dep
th(
m)
Cone Resistance (MPa)Cone Sleeve
0 1 2 3 4 5 6
0 1 2 3 4 5 6
Friction Ratio (%)
0 100 200 300
0 100 200 300
Pore Pressure (kPa)
T+T Ref: 52000.3000 Printed: 8/09/2011 4:11 p.m. Template: CPT Graph Template v0.41.xls
Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 1 of 1 CPT-WSW-33 Test Date: 20-Oct-2011 Location: Woolston Operator: Opus
Pre-Drill: 1.2m Assumed GWL: 1.8mBGL Located By: Survey GPS
Position: 2484195mE 5738606.8mN 2.56mRL Coord. System: NZMG & MSL
Other Tests: Comments:
0
2
4
6
8
10
12
14
16
18
20
0 40 80 120 160 200 240 280 320 360 400
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12 14 16 18 20
Sleeve Friction (kPa)
Dep
th(
m)
Cone Resistance (MPa) Cone Sleeve
0 1 2 3 4 5 6
0 1 2 3 4 5 6
Friction Ratio (%)
0 100 200 300
0 100 200 300
Pore Pressure (kPa)
T+T Ref: 52000.3000 Printed: 26/10/2011 9:07 a.m. Template: CPT Graph Template v0.41.xls
Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 1 of 1 CPT-WSW-56 Test Date: 13-Jun-2011 Location: Woolston Operator: Geotech
Pre-Drill: 1.2m Assumed GWL: 0.7mBGL Located By: Survey GPS
Position: 2485542.1mE 5739960.6mN 2.09mRL Coord. System: NZMG & MSL
Other Tests: Comments:
0
2
4
6
8
10
12
14
16
18
20
0 40 80 120 160 200 240 280 320 360 400
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12 14 16 18 20
Sleeve Friction (kPa)
Dep
th(
m)
Cone Resistance (MPa)Cone Sleeve
0 1 2 3 4 5 6
0 1 2 3 4 5 6
Friction Ratio (%)
0 100 200 300
0 100 200 300
Pore Pressure (kPa)
T+T Ref: 52000.3000 Printed: 8/09/2011 4:16 p.m. Template: CPT Graph Template v0.41.xls
Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011
Borehole logs
HA
ND
DU
GH
QT
TS
PT
HQ
TT
SP
TH
QT
TS
PT
HAND DIG FILL(Potholed for servicescheck and backfilled.)
YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)
PSD WS
3/3/4/3/3/2N=12
1/2/1/1/2/1N=5
FC
FC
1/0/0/1/2/2N=5
SP
GW
ML
SP
SP
SP
SP
FILL: Borehole drilled through pre-dug andbackfilled pothole.
Medium SAND, brown grey. Mediumdense, moist.
Silty, medium to coarse GRAVEL, grey.Loose, wet. Gravel is angular.Sandy SILT, grey. Very soft, wet, lowplasticity. Sand is coarse.2.3 to 3.0m no recovery
Silty, fine SAND with some gravel, grey.Loose, moist. Gravel is fine, angular.
Silty, fine SAND, grey. Loose, moist.
Silty, medium SAND interbedded with veryclosely spaced silt laminae, grey. Loose,moist.4.3 to 4.5m no recovery
Medium SAND with minor silt, grey. Loose,moist.
- contains trace silt
100
5387
M
W
W
M
M
M
M
MD
L
VS
L
L
L
L
Hole Location: Maunsell St &Cumnor Tce
SHEET 1 OF 5
BOREHOLE No: WSW 09
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
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
)2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
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: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: WOOLSTON JOB No: 52000.3200
2.55 m
NZMG
DRILL TYPE: Rotary
DRILL METHOD: HQTT
HOLE STARTED: 13/6/11
HOLE FINISHED: 14/6/11
DRILLED BY: Pro-Drill
LOGGED BY: CP CHECKED: BMcDDRILL FLUID: Mud
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
T+
T_D
AT
AT
EM
PL
AT
E.G
DT
rth
5738606.78 mN2484195.08 mE
TONKIN & TAYLOR LTD
HQ
TT
SP
TH
QT
TS
PT
HQ
TT
SP
T
YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)
FC
3/6/6/5/4/6N=21
PSD WS
5/5/5/10/11/12N=38
9/10/11/9/11/12N=43
SP
SP
GW
G
GW
Medium SAND with trace silt, grey. Loose,moist.
6.4 to 6.5m no recovery
Silty, fine SAND, grey. Medium dense,moist.
Fine to medium GRAVEL, light grey.Dense, moist. Gravel is subrounded tosubangular.
8.0 to 9.5m no recovery. Becoming dense.
Sandy, fine to coarse GRAVEL, grey.Dense, moist. Gravel is subrounded tosubangular. Sand is medium.
Fine to medium GRAVEL, light grey.Dense, moist. Gravel is subrounded tosubangular.
9580
0
M
M
M
M
M
L
MD
D
D
D
D
Hole Location: Maunsell St &Cumnor Tce
SHEET 2 OF 5
BOREHOLE No: WSW 09
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
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
)-2.5
-3.0
-3.5
-4.0
-4.5
-5.0
-5.5
-6.0
-6.5
-7.0
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: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: WOOLSTON JOB No: 52000.3200
2.55 m
NZMG
DRILL TYPE: Rotary
DRILL METHOD: HQTT
HOLE STARTED: 13/6/11
HOLE FINISHED: 14/6/11
DRILLED BY: Pro-Drill
LOGGED BY: CP CHECKED: BMcDDRILL FLUID: Mud
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
T+
T_D
AT
AT
EM
PL
AT
E.G
DT
rth
5738606.78 mN2484195.08 mE
TONKIN & TAYLOR LTD
HQ
TT
SP
TH
QT
TS
PT
HQ
TT
SP
TH
QT
T
YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)
YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)
1/2/1/3/3/5N=12
3/4/5/8/10/11N=34
3/5/7/10/10/13N=40
FC
SP
10.0 to 11.0m no recovery
Medium SAND, grey. Medium dense,moist.
11.4 to 12.5m no recovery
- becoming dense
12.9 to 14.0m no recovery.
3327
3087
M MD
D
Hole Location: Maunsell St &Cumnor Tce
SHEET 3 OF 5
BOREHOLE No: WSW 09
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
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
)-7.5
-8.0
-8.5
-9.0
-9.5
-10.0
-10.5
-11.0
-11.5
-12.0
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: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: WOOLSTON JOB No: 52000.3200
2.55 m
NZMG
DRILL TYPE: Rotary
DRILL METHOD: HQTT
HOLE STARTED: 13/6/11
HOLE FINISHED: 14/6/11
DRILLED BY: Pro-Drill
LOGGED BY: CP CHECKED: BMcDDRILL FLUID: Mud
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
T+
T_D
AT
AT
EM
PL
AT
E.G
DT
rth
5738606.78 mN2484195.08 mE
TONKIN & TAYLOR LTD
SP
TH
QT
TS
PT
HQ
TT
SP
TH
QT
T
CHRISTCHURCHFORMATION(MARINE &ESTUARINE)
2/4/7/10/9/12N=38
FC
FC
1/3/3/3/3/4N=16
PSD HYD
1/1/1/1/5/7N=14
FC
SP
ML
ML
SP
ML
Medium SAND, grey. Dense, moist.
15.3 to 15.5m no recovery
16.3 to 16.5 contains organic material
16.6 to 17.0m no recovery
Sandy SILT, grey. Stiff, moist, lowplasticity. Sand is fine.
SILT, bluish grey. Firm, moist, lowplasticity.
Silty, fine SAND, bluish grey. Mediumdense, moist.
Sandy SILT, bluish grey. Stiff, moist, nonplastic, dilatant. Sand is fine.
7380
47
M
M
M
M
M
D
St
F
MD
St
Hole Location: Maunsell St &Cumnor Tce
SHEET 4 OF 5
BOREHOLE No: WSW 09
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
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
)-12.5
-13.0
-13.5
-14.0
-14.5
-15.0
-15.5
-16.0
-16.5
-17.0
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: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: WOOLSTON JOB No: 52000.3200
2.55 m
NZMG
DRILL TYPE: Rotary
DRILL METHOD: HQTT
HOLE STARTED: 13/6/11
HOLE FINISHED: 14/6/11
DRILLED BY: Pro-Drill
LOGGED BY: CP CHECKED: BMcDDRILL FLUID: Mud
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
T+
T_D
AT
AT
EM
PL
AT
E.G
DT
rth
5738606.78 mN2484195.08 mE
TONKIN & TAYLOR LTD
SP
T
CHRISTCHURCHFORMATION(MARINE &ESTUARINE)
FC
0/0/0/0/0/0N=0
ML Sandy SILT, bluish grey. Very soft, moist,non plastic, dilatant. Sand is fine.
End of borehole at 20.45mbgl. Nopiezometer installed - backfilled with grout.
M VS
Hole Location: Maunsell St &Cumnor Tce
SHEET 5 OF 5
BOREHOLE No: WSW 09
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
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
)-17.5
-18.0
-18.5
-19.0
-19.5
-20.0
-20.5
-21.0
-21.5
-22.0
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: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: WOOLSTON JOB No: 52000.3200
2.55 m
NZMG
DRILL TYPE: Rotary
DRILL METHOD: HQTT
HOLE STARTED: 13/6/11
HOLE FINISHED: 14/6/11
DRILLED BY: Pro-Drill
LOGGED BY: CP CHECKED: BMcDDRILL FLUID: Mud
BORELOG 650494.000 BOREHOLE LOGS.GPJ 19/12/11
T+
T_D
AT
AT
EM
PL
AT
E.G
DT
rth
5738606.78 mN2484195.08 mE
TONKIN & TAYLOR LTD
Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011
Machine borehole core photographs
Christchurch Earthquake Recovery Geotechnical Factual Report Woolston Appendix A8: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011
Laboratory test results
Summary Sheet
a) Fines content
Borehole ID Depth of Sample
BH-WSW-09 3.60
BH-WSW-09 4.20
BH-WSW-09 5.00
BH-WSW-09 14.50
BH-WSW-09 16.00
BH-WSW-09 17.00
BH-WSW-09 17.50
BH-WSW-09 19.00
BH-WSW-09 20.00
b) Particle size distribution
Borehole ID Depth of Sample
BH-WSW-09 0.80
BH-WSW-09 7.00
BH-WSW-09 18.50