Attachment 1 2007 2008 drill logs.pdf
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- UPPER SUNKEN GRADE Subsurface Geotechnical Investigation, Willamette National Forest, Oregon
- Solicitation number
- 69056720Q000028
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51-60/2.5" (Rec. 10")
50/5" (Rec. 5")
50/2"
(Rec. 3")
Cobbly Road Fill
Medium dense, tan-gray, SILTY GRAVEL (GM), dry to slightly moist
DENSE to VERY DENSE, green-gray to gray, highly weathered TUFF, dry, breaks down to a clayey sand with gravel (SC)
...drilling steady, no soft or extremely hard spots
...augering very hard now, same gray, dry auger cuttings
Auger refusal at 40 feet, switched to core
R-1
R-2
MC-1
R-3
R-4
MC-2
R-5
R-6
MP-3
R-7
R-8
2.0
6.0
40.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
02234 (2009 LIDAR) N44° 24' 28.66" W122° 13' 50.85"
11/14/07
DESCRIPTION
BORING USGO1i
RECOVERY (%)
WATER LEVEL
Sheet 1 of 2
D E
P T
H ft)
RQD (%)
Upper Sunken Grade, LT side
BEGAN:
Rainy-cold
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/14/07
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
HARD, dark gray to black, moderately weathered TUFF to
TUFF BRECCIA
2.75-inch slope inclinometer casing installed with cement-bentonite grout backfill
TOTAL DEPTH 55.0 FEET
R-9
R-10
R-11
55.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
11/14/07
DESCRIPTION
BORING USGO1i
RECOVERY (%)
WATER LEVEL
Sheet 2 of 2
D E
P T
H ft)
RQD (%)
Upper Sunken Grade, LT side
BEGAN:
Rainy-cold
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/14/07
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
6-6-15 (Rec. 14")
14-50/6" (Rec. 10")
Cobbly Road Fill
Medium dense, tan-gray, SILTY GRAVEL (GM), dry to slightly moist
DENSE to VERY DENSE, green-gray to gray, dry, highly weathered TUFF, breaks down to a clayey sand with gravel
(SC)
Sample MC-1: 15.1% Gravel 52.6% Sand c. to f., 32.2% Fines
(SC)
Sample MC-2: 4.5% Gravel, 58.2% Sand c. and f., 37.3% Fines (SC)
One-inch standpipe piezometer installed to 25 feet, screen 15 to 25 feet, sand to 14 feet with bentonite seal to surface
TOTAL DEPTH 25.0 FEET
R-1
MC-1
R-2
MC-2
R-3
R-4
R-5
2.0
6.0
25.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
02234 (2009 LIDAR) N44° 24' 28.66" W122° 13' 50.85"
11/15/07
DESCRIPTION
BORING USGO1p
RECOVERY (%)
WATER LEVEL
Sheet 1 of 1
D E
P T
H ft)
RQD (%)
Upper Sunken Grade, LT side
BEGAN:
Rainy-warm
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/15/07
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
50/4" (Rec. 4")
21-38-50/5" (Rec. 17")
7-36-43 (Rec.8")
7-19-18 (Rec. 10")
5-5-7 (Rec. 11")
6-15-14 (Rec. 12")
ASPHALTIC CONCRETE (FILL), placed to maintain grade, grade change due to landslide movement.
...circulation color change from dark gray to light brown at 14.0 feet
MEDIUM STIFF, brown, trace to slightly clayey, silty SAND;
numerous fine gravel-sized sub-rounded rock fragments, trace woody debris polished and diced textures (LANDSLIDE
DEBRIS?)
Sample MC-4: 40.5% Gravel, 33.2% Sand c. to f., 26.3% fines (GM; silty gravel with sand)
Sample MC-6: 10.7% Gravel, 73.2% Sand c. to f., 16.1% fines, non-plastic (SM; silty sand)
...hard drilling at 32 feet EXTREMELY SOFT (R0), brown, decomposed VOLCANIC TUFF, highly jointed, 0-20 degrees and 30 to 50 degrees dominant relative to core axis, slickensided (LANDSLIDE
DEBRIS?)
Bent/sheared slope inclinometer casing measured with lengths of steel pipe at 38.1 feet
MC-1
MC-2
MC-3
MC-4
MC-5
MC-6
R-1
14.0
32.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
0 2224 (2009 LIDAR)
11/22/08
DESCRIPTION
BORING USG-02
RECOVERY (%)
WATER LEVEL
Sheet 1 of 3
D E
P T
H ft)
RQD (%)
Upper Sunken Grade Slide, RT Side, LAT. 44.40643, LONG. 122.22337 (handheld GPS)
BEGAN:
Cold, moderate rain
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/23/08
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
(continued from previous page)
VW-Piezometer S/N 87297 grouted in at 41.4 feet
...slickensides on 45º joint, 65º rake at 42.1 feet
SOFT to MEDIUM HARD (R3), gray to green-gray moderately weathered VOLCANIC TUFF; highly jointed, 0-20 degrees and 60 to 80 degrees dominant relative to core axis (TERTIARY
VOLCANICS)
...slickensides on 10º joint, 90º rake and clay infilling at 52.5 feet
...slickensides on hand-break, 30º curved joint, 85º rake at 58.0 feet
...slickensides on 10º joint, 0º rake at 67.8 feet
...slickensides on 10º joint, 0º rake at 78.0 feet
R-2
R-3
R-4
R-5
R-6
R-7
R-8
R-9
50.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
11/22/08
DESCRIPTION
BORING USG-02
RECOVERY (%)
WATER LEVEL
Sheet 2 of 3
D E
P T
H ft)
RQD (%)
Upper Sunken Grade Slide, RT Side, LAT. 44.40643, LONG. 122.22337 (handheld GPS)
BEGAN:
Cold, moderate rain
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/23/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
...slickensides on 50º joint, 0º rake at 81.5 feet
...lost circulation at 84 feet
...slickensides on 20º joint, 90º rake at 87.8 feet
2.75-inch slope inclinometer casing installed with cement-bentonite grout
TOTAL DEPTH 91.0 FEET
R-10
R-11
91.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
11/22/08
DESCRIPTION
BORING USG-02
RECOVERY (%)
WATER LEVEL
Sheet 3 of 3
D E
P T
H ft)
RQD (%)
Upper Sunken Grade Slide, RT Side, LAT. 44.40643, LONG. 122.22337 (handheld GPS)
BEGAN:
Cold, moderate rain
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/23/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
4-3-3 (Rec. 6")
5-5-7 (Rec. 6")
6-10-10 (Rec. 11")
5-5-8 (Rec. 11")
20-22-20 (Rec. 7")
18-18-21 (Rec. 12")
4-7-13 (Rec. 11")
Numerous large boulders observed on surface.
Intermixed MEDIUM DENSE to DENSE, brown angular ROCK FRAGMENTS; and STIFF, slightly clayey to clayey, silty SAND, trace charred wood fragments, polished surfaces, scattered cobbles encountered during drilling (LANDSLIDE DEBRIS)
...start drilling with HWT Casing Advancer
...lost circulation at 3 feet
...hard drilling at 22.5 to 23.0 feet
Sample S-6: 13.2% Gravel, 56.5% Sand c. to f., 30.3% fines (SM; silty sand)
...smoother drilling at 31 feet
Shear zone measured with slope inclinometer at 34-38 feet
DENSE to VERY DENSE, brown, slightly silty SAND with gravel
S-1
S-2
S-3
S-4
S-5
S-6
S-7
39.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
0 1662 (2009 LIDAR)
10/23/08
DESCRIPTION
BORING DG-01
RECOVERY (%)
WATER LEVEL
Sheet 1 of 5
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39838, LONG. 122.26093 (handheld GPS)
BEGAN:
Cool, partly sunny
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
10/30/08
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
11-21-23 (Rec. 8")
17-17-22 (Rec. 5")
40-41-50/4" (Rec. 8")
19-24-50 (Rec. 7")
16-30-27 (Rec. 6")
15-48-50/5" (Rec. 11")
32-50/5" (Rec. 7")
15-32-50/5" (Rec. 6") and cobble-sized rock fragments (LANDSLIDE DEBRIS)
...smoother drilling 43.0 to 44.0 feet
...squeezing on rods 52.0 to 53.0 feet
S-8
S-9
S-10
S-11
S-12
S-13
S-14
S-15
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
10/23/08
DESCRIPTION
BORING DG-01
RECOVERY (%)
WATER LEVEL
Sheet 2 of 5
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39838, LONG. 122.26093 (handheld GPS)
BEGAN:
Cool, partly sunny
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
10/30/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
20-40-50/3" (Rec. 7")
24-45-43 (Rec. 7")
24-32-41 (Rec. 17")
19-23-25 (Rec. 7")
18-16-19 (Rec. 8")
50-70/5" (Rec. 10")
13-16-16 (Rec. 7")
7-7-70/2" (Rec. 5")
(continued from previous page)
...rougher drilling and squeezing on rods at 82.0 feet
VW-Piezometer S/N 97496 grouted tip at 90.5 feet
...hard drilling at 98.0 feet
...rough drilling 106.5 to 107.5 feet
...rough drilling 112.0 to 113.0 feet
...hard drilling at 115.0 feet
...switch to HQ3 Core at 117 feet
DENSE, brown, gravel and cobble-sized ROCK FRAGMENTS, matrix of clayey, sandy SILT, polished and slickensided surfaces, diced texture present in matrix (LANDSLIDE DEBRIS)
S-16
S-17
S-18
S-19
MC-20
MC-21
MC-22
MC-23
R-1
117.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
10/23/08
DESCRIPTION
BORING DG-01
RECOVERY (%)
WATER LEVEL
Sheet 3 of 5
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39838, LONG. 122.26093 (handheld GPS)
BEGAN:
Cool, partly sunny
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
10/30/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
Bent/sheared slope inclinometer casing measured with lengths of steel pipe at 136.3 feet
Sample R-5, core sample at 136.8 feet: LL = 61
...slickensides at 137.5 feet
...rods drop 142.5 to 143.5 feet
...slickensides at 152 feet
HARD, (R4), green-gray, moderately weathered ANDESITE, highly jointed, 35-55 degrees dominant relative to core axis, trace silty sand filling (TERTIARY VOLCANICS)
2.75-inch slope inclinometer casing installed with cement-bentonite grout
R-2
R-3
R-4
R-5
R-6
R-7
R-8
R-9
152.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
10/23/08
DESCRIPTION
BORING DG-01
RECOVERY (%)
WATER LEVEL
Sheet 4 of 5
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39838, LONG. 122.26093 (handheld GPS)
BEGAN:
Cool, partly sunny
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
10/30/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
TOTAL DEPTH 161.5 FEET
161.5
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
10/23/08
DESCRIPTION
BORING DG-01
RECOVERY (%)
WATER LEVEL
Sheet 5 of 5
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39838, LONG. 122.26093 (handheld GPS)
BEGAN:
Cool, partly sunny
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
10/30/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
4-3-3 (Rec. 8")
50/0" (No Rec.)
50/1.5" (No Rec.)
2-3-2 (No Rec.)
LOOSE, dark brown, SILTY SAND (SM), dry to slightly moist, about 30% cobbles to 18" max. in SM matrix (FILL)
LOOSE, tan/brown, SILTY SAND (SM), dry to slightly moist, less than 10% cobbles to 12" max. in SM matrix
Sample MC-1: 19.2% Gravel, 48.6% Sand f. to m., 32.2% Fines (SM)
...increase in gravel
MEDIUM DENSE, tan/brown, SILTY SAND (SM), moist, 15 to 65% very hard cobbles and boulders to 48" max. in SM matrix
Auger refusal at 21', switched to core
R-1
R-2
MC-1
R-3
R-4
MC-2
R-5
MC-3
R-6
R-7
MC-4
R-8
7.0
20.0
40.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
01625 (2009 LIDAR) N44° 23' 53.2" W122° 15' 40.63"
11/8/07
DESCRIPTION
BORING DG02i
RECOVERY (%)
WATER LEVEL
Sheet 1 of 3
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side
BEGAN:
Clear-cool
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/10/07
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
10-8-12 (Rec.12")
LOOSE to MEDIUM DENSE, tan/brown, CLAYEY SAND (SC), moist, 0% to 30% cobbles and boulders to 18" max. in gravelly SC matrix
Core sample at 55': 13.8% Gravel, 53.0% Sand c. to f., 33.2% Fines (SC)
Core sample at 64.5': 32.0% Gravel, 43.4% Sand f. to m., 24.6% Fines (SC); LL=71
MEDIUM DENSE to DENSE, tan/brown, CLAYEY SAND (SC), no gravel, mottled zones light tan with rusty brown streaks that are loose to medium dense, possible failure zone (?), 0% cobbles Core sample at 76': 38.7% Gravel, 35.5% Sand, 25.8% Fines (GC?), insuffcient material to perform Atterburg limits and
USCS
R-9
R-10
MC-5
R-11
R-12
R-13
R-14
R-15
R-16
75.0
80.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
11/8/07
DESCRIPTION
BORING DG02i
RECOVERY (%)
WATER LEVEL
Sheet 2 of 3
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side
BEGAN:
Clear-cool
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/10/07
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
MEDIUM DENSE, tan/brown, CLAYEY SAND (SC), gravelly, very moist, 10 to 15% cobbles and boulders to 18" max. in gravelly SC matrix
MEDIUM DENSE, dark gray, CLAYEY SAND (SC), gravelly, very moist, cobbles are mostly dark, very hard breccia, 20 to 45% cobbles and boulders to 18" max, in gravelly SC matrix
Mostly broken rock fragments recovered, difficult to tell if cobbles or bedrock, mostly the same dark, gray to black rock (basalt?), some SC matrix recovered, dark gray/green, medium dense (?), very moist
2.75-inch slope inclinometer casing installed with cement-bentonite grout backfill
TOTAL DEPTH 114.0 FEET
R-17
R-18
R-19
R-20
R-21
R-22
R-23
R-24
R-25
90.0
100.0
114.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
11/8/07
DESCRIPTION
BORING DG02i
RECOVERY (%)
WATER LEVEL
Sheet 3 of 3
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side
BEGAN:
Clear-cool
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/10/07
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
LOOSE, dark brown, SILTY SAND (SM), dry to slightly moist, about 30% cobbles to 18" max. in SM matrix (FILL)
LOOSE tan/brown, SILTY SAND (SM), dry to slightly moist, less than 10% cobbles to 12" max. in SM matrix
MEDIUM DENSE, tan/brown, SILTY SAND (SM), moist, 15 to 65% very hard cobbles and boulders to 48" max. in SM matrix
Auger refusal at 20', switched to core
R-1
R-2
R-3
R-4
R-5
R-6
R-7
R-8
R-9
7.0
19.0
40.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
01625 (2009 LIDAR) N44° 23' 53.2" W122° 15' 40.63"
11/11/07
DESCRIPTION
BORING DG02p
RECOVERY (%)
WATER LEVEL
Sheet 1 of 2
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side
BEGAN:
Cloudy
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/12/07
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
LOOSE to MEDIUM DENSE, tan/brown, CLAYEY SAND (SC), moist, 0% to 30% cobbles and boulders to 18" max. in gravelly SC matrix
Core sample at 65': 34.9% Gravel, 42.7% Sand m. to f., 22.4% Fines (SC); LL= 62
Core sample at 75': 17.2% Gravel, 34.5% Sand c. to f., 48.3% Fines (SC); LL=62
MEDIUM DENSE to DENSE, tan/brown, CLAYEY SAND (SC), no gravel, mottled zones light tan with rusty brown streaks that are loose to medium dense, possible failure zone (?), 0% cobbles One-inch standpipe piezometer installed to 80 feet. Screened 60 to 80 feet, sand pack to 54 feet, grout seal to surface
TOTAL DEPTH OF BORING 80.0 FEET
R-10
R-11
R-12
R-13
R-14
R-15
R-16
R-17
75.0
80.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
Santiam Highway 20 Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
BK 81
Jason Adams, Haz Tech
WATER CONTENT (%)
S A
M P
LE
11/11/07
DESCRIPTION
BORING DG02p
RECOVERY (%)
WATER LEVEL
Sheet 2 of 2
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side
BEGAN:
Cloudy
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
11/12/07
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
20 60
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
20-24-28 (Rec. 2")
Cobble and boulder-size ROCK FRAGMENTS in a matrix of STIFF, brown, slightly clayey silty SAND; occasional diced texture, polished surfaces, slickensided joints on rock fragments; (LANDSLIDE DEBRIS)
...no circulation
...hard drilling at 10.0 feet, switched to core at 11 feet
...basalt boulders 11.0 to 23.0 feet
...tuff breccia boulders 23.0 to 36.0 feet
...diced and sheared clayey silty sand with slickensides 29.5 to
31.0 feet
Sample R-8, core sample at 30.2 feet: 17.7% Gravel, 55.2% Sand c. to f., 27.1% fines (SM; silty sand with gravel)
MC-1
R-1
R-2
R-3
R-4
R-5
R-6
R-7
R-8
R-9
R-10
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
0 1628 (2009 LIDAR)
1/11/09
DESCRIPTION
BORING DG-03
RECOVERY (%)
WATER LEVEL
Sheet 1 of 4
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39810, LONG. 122.26067 (handheld GPS)
BEGAN:
Cold, partly cloudy
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
1/15/09
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
10-17-25 (Rec. 16")
40-46-44 (Rec. 11")
26-28-48 (Rec. 17")
50/4" (Rec. 6")
31-28-36 (Rec. 8")
18-14-15 (Rec. 4")
50/4" (Rec. 4")
(continued from previous page)
...slickensides on 45º joint, 55º rake at 33.2 feet
Sample MC-4: 6.1% Gravel, 49.0% Sand c. to f., 44.9% fines (SM; silty sand)
...hard drilling 59.0 to 60.0 feet
...hard drilling 68.0 to 70.0 feet
R-11
MC-2
MC-3
MC-4
MC-5
MC-6
MC-7
MC-8
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
1/11/09
DESCRIPTION
BORING DG-03
RECOVERY (%)
WATER LEVEL
Sheet 2 of 4
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39810, LONG. 122.26067 (handheld GPS)
BEGAN:
Cold, partly cloudy
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
1/15/09
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
50/4" (Rec. 0")
34-42-50/5" (Rec. 1")
31-42-35 (Rec. 10")
50/6" (Rec. 6")
50/0" (Rec. 0")
(continued from previous page)
Shear zone measured with slope inclinometer at 86-90 feet
...harder drilling at 87.5 feet
VW Piezometer S/N 97500 grouted tip at 90.0 feet
...woody debris at 96.0 feet
Sample CA-12: 25.9% Gravel, 39.8% Sand c. to f., 34.3% fines (SM; silty sand with gravel) SOFT (R2), brown, moderately weathered TUFF BRECCIA;
highly jointed, joints 30-50 degrees relative to core axis, rough, secondary mineralization (LANDSLIDE DEBRIS?)
...hard drilling at 98.5 feet
...switched to core at 102 feet
...slickensides on 75º joint, 45º rake at 104.0 feet
...circulation return 30 to 50 percent
...slickensided clay on 45º joint, 10º rake at 109.7 to 109.9 feet
MEDIUM HARD (R3), blue-gray and brown-gray slightly weathered VOLCANIC TUFF; moderately jointed, 30-50 degrees relative to core axis, rough, numerous healed joints, staining on joints up to 3 inches, (TERTIARY VOLCANICS)
MC-9
MC-10
CA-11
CA-12
CA-13
R-12
R-13
R-14
R-15
98.5
112.3
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
1/11/09
DESCRIPTION
BORING DG-03
RECOVERY (%)
WATER LEVEL
Sheet 3 of 4
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39810, LONG. 122.26067 (handheld GPS)
BEGAN:
Cold, partly cloudy
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
1/15/09
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
2.75-inch slope inclinometer casing installed with cement-bentonite grout
TOTAL DEPTH 135.0 FEET
R-16
R-17
R-18
135.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
1/11/09
DESCRIPTION
BORING DG-03
RECOVERY (%)
WATER LEVEL
Sheet 4 of 4
D E
P T
H ft)
RQD (%)
Double Gate Slide, LT Side, LAT. 44.39810, LONG. 122.26067 (handheld GPS)
BEGAN:
Cold, partly cloudy
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
1/15/09
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
14-16-21
10-13-13 (Rec. 7")
6-5-6 (Rec. 6")
6-7-7 (Rec. 6")
13-13-16 (Rec. 7")
DENSE, dark gray, silty SAND and GRAVEL-sized rock fragments (FILL)
...intermittent circulation return
Cobble and boulder-sized ROCK FRAGMENTS in a matrix of STIFF, brown, slightly clayey, silty SAND; occasional polished, slickensided and stained joints on rock fragments (LANDSLIDE
DEBRIS)
...woody debris 29.3 to 29.5 feet
...switched to core at 31.0 feet
...zone of boulders 31.0 to 51.5 feet
...slickensides on 10º joint, 90º rake at 32.2 feet
MC-1
MC-2
MC-3
MC-4
MC-5
R-1
R-2
12.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
0 1621 (2009 LIDAR)
12/10/08
DESCRIPTION
BORING DG-04
RECOVERY (%)
WATER LEVEL
Sheet 1 of 3
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side, LAT. 44.39810, LONG. 122.26088 (handheld GPS)
BEGAN:
Cold, light rain
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
12/11/08
ELEV:
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
5-8-12 (Rec. 10")
16-18-26 (Rec. 8")
23-22-50/4" (Rec. 8")
29-7-23 (Rec. 7")
50/5" (Rec. 5")
26-49-38 (Rec. 10")
(continued from previous page)
...switched back to casing advancer at 51.5 feet
Sample MC-6: 15.0% Gravel, 31.9% Sand c. to f., 53.1% fines (CH; silty fat clay with gravel)
...carbonized organics and woody debris at 58 to 59 feet
...hard drilling at 64.3 feet
...hard drilling at 72.5 feet
R-3
R-4
R-5
R-6
MC-6
MC-7
MC-8
MC-9
MC-10
MC-11
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
12/10/08
DESCRIPTION
BORING DG-04
RECOVERY (%)
WATER LEVEL
Sheet 2 of 3
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side, LAT. 44.39810, LONG. 122.26088 (handheld GPS)
BEGAN:
Cold, light rain
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
12/11/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
PLASTIC LIMIT
22-22-24
50/0" (Rec. 0")
(continued from previous page)
VW-Piezometer S/N 97291 grouted tip at 80.0 feet
2.75-inch slope inclinometer casing installed with cement-bentonite grout.
...hard drilling at 87 feet
TOTAL DEPTH 88 FEET
MC-12
MC-13
88.0
S A
M P
LE BLOW
COUNT
FEDERAL HIGHWAY ADMINISTRATION
VANCOUVER, WASHINGTON
GEOTECHNICAL SECTION
SAMPLE PENETRATION RESISTANCE
LIQUID LIMIT
43 mm O.D. SPLIT TUBE SAMPLE
81 mm O.D. SPLIT TUBE SAMPLE (D & M)
51 mm O.D. SPLIT TUBE SAMPLE (SPT)
D E
P T
H ft)
6 in H-S AUGER
US Route 20, South Santiam Highway Landslide Investigation
OTHER:
G R
A P
H
IC
L O
G
AUGER
CORE
CS-1000
HazTech
WATER CONTENT (%)
S A
M P
LE
12/10/08
DESCRIPTION
BORING DG-04
RECOVERY (%)
WATER LEVEL
Sheet 3 of 3
D E
P T
H ft)
RQD (%)
Double Gate Slide, RT Side, LAT. 44.39810, LONG. 122.26088 (handheld GPS)
BEGAN:
Cold, light rain
8 in H-S AUGER
HQ3 CORE
PROJECT:
STATION, OFFSET:
12/11/08
76 mm SHELBY TUBE 100
COMPLETED:
DRILL:
DRILLER:HQ CORE
Casing Advancer
BORING LOG (English Units)
STANDARD BLOWS PER FOOT
(140 lb mass, 30 in drop)
WEATHER:
File details come from the government source that posted it. Updated .