Attachement__3_-_GeologyAndLogs_2.pdf
PDF 30 MB Posted
- Attached to
- Potomac Dam #5 Left Abutment Repair.
- Solicitation number
- 140R4023R0029
About this file
This file is an attachment to a federal contract solicitation for repair work on Potomac Dam Number 5. The solicitation was issued by the Department of the Interior Bureau of Reclamation under number 140R4023R0029 for repair of the left abutment of Potomac Dam Number 5. The attachment contains 30 megabytes of geology and logs data relevant to the repair work required. Bidders should review the attachment carefully to understand the site conditions and inform their proposals for the repair work sought under this special notice solicitation. The response due date and planned award date are not provided in this file attachment.
View the file
Other files
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
0.4
15.0
28.5
1.8
0.8
0.4
1.2
2.0
1.3
1.9
370.0
355.4
341.9
S-1
S-2
S-3
S-4
S-5
S-6
R-1
TOPSOIL, dark brown
SANDY LEAN CLAY, trace silt (CL), soft to medium stiff, damp to dry (fill)
5.0 ft: sample wet due to water added by driller
5.5 ft: lost water return
S-3: low recovery possibly due to cobble at bottom of boring not allowing soil to collect in split spoon
FAT CLAY, trace sand and gravel (CH), medium stiff, damp (fill)
18.0-19.5 ft: driller indicated harder drilling, possible boulder
Top of Rock at 28.5 ft
WOH
WOH
WOH
WOH
CL
CL
CL
CH
CH
CH
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 17.0WATER:
SEGMENT
TIME: 7:30 AM DATE: 8/14/2018
DATE: 8/13/2018
END 8/13/2018
BORING NO. B-1
DATE:
1 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 17.4
DRILLERS NAME/COMPANY Rich Krum/TRC
COUNTY Washington
OFFSET
TIME: 2:20 PM
O.G.
ELEV. 370.4
START 8/13/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
0.0
2.0
5.0
7.0
10.0
12.0
15.0
17.0
20.0
22.0
25.0
27.0
28.5
42.5
1.7
5.0
4.2
52 327.9
R-2
R-3
R-4
LIMESTONE, gray, moderately weathered, medium hard to very hard, thin to thick bedding (RD = 30-40 degrees), slightly to moderately fractured, widely spaced, slightly continuous, slightly open to wide, iron staining on joint surfaces.
Unit RQD = 71% (continued)
36.0-37.8 ft: sandy limestone, slightly weathered
End of Boring at 42.5 ft
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 17.0WATER:
SEGMENT
TIME: 7:30 AM DATE: 8/14/2018
DATE: 8/13/2018
END 8/13/2018
BORING NO. B-1
DATE:
2 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 17.4
DRILLERS NAME/COMPANY Rich Krum/TRC
COUNTY Washington
OFFSET
TIME: 2:20 PM
O.G.
ELEV. 370.4
START 8/13/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
30.5
32.5
37.5
42.5
5.0
17.0
30.0
1.0
0.6
0.2
0.0
1.7
1.2
1.2
369.8
365.2
353.2
340.2
S-1
S-2
S-3
S-4
S-5
S-6
S-7
TOPSOIL, dark brown
LEAN CLAY, little sand, trace gravel (CL), red-brown, soft, damp (fill)
SANDY LEAN CLAY with gravel (CL), red-brown, medium stiff, wet (fill)
7.0 ft: lost water return
S-3 & S-4: Low recovery due to large cobbles in soil
LEAN CLAY with sand, trace gravel (CL), brown-gray, stiff, moist (fill)
CL
CL
CL
CL
CL
CL
CL
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 7.8WATER:
SEGMENT
TIME: 12:20 PM DATE: 8/14/2018
DATE: 8/14/2018
END 8/14/2018
BORING NO. B-2
DATE:
1 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 11.4
DRILLERS NAME/COMPANY Rich Krum/TRC
COUNTY Washington
OFFSET
TIME: 11:30 AM
O.G.
ELEV. 370.2
START 8/14/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
0.0
2.0
5.0
7.0
10.0
12.0
15.0
17.0
19.0
20.0
22.0
25.0
27.0
30.0
32.0
46.0
1.1
2.0
2.0
5.0
5.0
338.2
324.2
S-8
R-1
R-2
R-3
R-4
SILTY LEAN CLAY (CL),
brown-gray, stiff, damp (fill)
Top of Rock at 32.0 ft
LIMESTONE, dark gray to black, slightly weathered, very hard, thin to thick bedding (RD=45-50 degrees), moderately fractured, moderate to widely spaced, slightly continuous, tight to open joints (bedding). Unit
RQD = 100%
44.2-44.9 ft: increased sand content
End of Boring at 46.0 ft
50/.2
CL
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 7.8WATER:
SEGMENT
TIME: 12:20 PM DATE: 8/14/2018
DATE: 8/14/2018
END 8/14/2018
BORING NO. B-2
DATE:
2 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 11.4
DRILLERS NAME/COMPANY Rich Krum/TRC
COUNTY Washington
OFFSET
TIME: 11:30 AM
O.G.
ELEV. 370.2
START 8/14/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
32.0
34.0
36.0
41.0
46.0
10.0
23.0
1.2
0.5
0.9
1.5
0.9
1.5
2.0
4.9
370.2
360.6
347.6
S-1
S-2
S-3
S-4
S-5
R-1
R-2
R-3
TOPSOIL, dark brown
SANDY LEAN CLAY, trace gravel, trace organics (CL), orange-brown, soft, dry (fill)
2.1-2.8 ft: driller indicated hard drillining - possible boulder
S-2: wet sample
SANDY LEAN CLAY with gravel (CL), brown, medium stiff, damp (fill)
S-4: gray-brown, trace organics
Top of Rock at 23.0 ft
LIMESTONE, dark gray, moderately weathered to weathered, hard to very hard, thin to thick bedding (RD=40-45 degrees), moderately fractured (bedding), moderate to widely spaced, continuous, slightly open to wide. Unit RQD = 92%
CL
CL
CL
CL
CL
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 7.4WATER:
SEGMENT
TIME: 4:20 PM DATE: 8/14/2018
DATE: 8/14/2018
END 8/14/2018
BORING NO. B-3
DATE:
1 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 8.4
DRILLERS NAME/COMPANY Rich Krum/TRC
COUNTY Washington
OFFSET
TIME: 3:50 PM
O.G.
ELEV. 370.6
START 8/14/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
0.0
2.0
5.0
7.0
10.0
12.0
15.0
17.0
20.0
22.0
23.0
24.5
26.5
36.5
96 334.1
R-4
LIMESTONE, dark gray, moderately weathered to weathered, hard to very hard, thin to thick bedding (RD=40-45 degrees), moderately fractured (bedding), moderate to widely spaced, continuous, slightly open to wide. Unit RQD = 92% (continued)
31.5-32.1 ft: increased sand content
31.7 ft: calcite vein
End of Boring at 36.5 ft
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 7.4WATER:
SEGMENT
TIME: 4:20 PM DATE: 8/14/2018
DATE: 8/14/2018
END 8/14/2018
BORING NO. B-3
DATE:
2 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 8.4
DRILLERS NAME/COMPANY Rich Krum/TRC
COUNTY Washington
OFFSET
TIME: 3:50 PM
O.G.
ELEV. 370.6
START 8/14/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
31.5
36.5
0.3
25.0
28.0
1.3
0.7
0.9
0.4
0.3
1.2
1.8
369.5
364.8
344.8
341.8 *No water return while coring
S-1
S-2
S-3
S-4
S-5
S-6
R-1
TOPSOIL, dark brown
LEAN CLAY, trace sand and gravel (CL), orange-brown, medium stiff, damp (fill)
LEAN CLAY with gravel (CL), brown, very stiff, moist (fill)
9.0 ft: lost water return
5.0-18.0 ft: hard drilling, in and out of boulders
S-4: possible boulder at bottom of boring responsible for high blow count
S-5: low recovery due to cobble in toe of spoon
FAT CLAY with gravel (CH), gray-brown, medium stiff, damp to dry (fill)
Top of Rock at 28.0 ft
50/.4
CL
CL
CL
CL
CL
CH
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 20.5WATER:
SEGMENT
TIME: 12:00 PM DATE: 8/15/2018
DATE: 8/15/2018
END 8/15/2018
BORING NO. B-4
DATE:
1 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 20.5
DRILLERS NAME/COMPANY Rick Krum/TRC
COUNTY Washington
OFFSET
TIME: 11:05 AM
O.G.
ELEV. 369.8
START 8/15/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
0.0
2.0
5.0
7.0
10.0
12.0
15.0
17.0
20.0
22.0
25.0
27.0
28.0
30.0
42.0
1.8
5.0
5.0
92 327.8
R-2
R-3
R-4
LIMESTONE, gray to dark gray, slightly to very weathered, very hard, thin to moderate bedding (RD=45-50 degrees), moderately to very fractured, close to widely spaced, contiuous, tight to open bedding joints. Unit RQD = 67% (continued)
30.0-32.0 ft: rubble zone
40.5 ft: calcite vein
End of Boring at 42.0 ft
BORING LOG
S A
M P
L E
N O
T
Y P
E /C
O R
E R
U N
R Q
D
) REMARKS
U S
C S
R E
C O
V E
R Y
F t.)
STATE RT. NO.
INSPECTOR S. McWilliams
DRILLING METHODS SPT 3' Spacing / Casing Advancer / Solid Barrel w/ Wireline
CASING: SIZE:
OFFSET FROM CENTERLINE
DEPTH:
NOT ENCOUNTERED
DEPTH: 20.5WATER:
SEGMENT
TIME: 12:00 PM DATE: 8/15/2018
DATE: 8/15/2018
END 8/15/2018
BORING NO. B-4
DATE:
2 2
B L
O W
S /0
.5 F
T
O N
S A
M P
L E
R
R E
C O
V E
R Y
DESCRIPTION
D E
P T
H
F T
STATION
CHECKED BY:
SECT.
DATE: DEPTH: 20.5
DRILLERS NAME/COMPANY Rick Krum/TRC
COUNTY Washington
OFFSET
TIME: 11:05 AM
O.G.
ELEV. 369.8
START 8/15/2018
SHEET OF
L
IT
H O
L O
G Y
Unit Depth Unit Depth
PROJECT NAME NPS CHOH Potomac Dam No. 5
EQUIPMENT USED Acker Soil-XLS Track Mounted Rig
Unit Elev.
32.0
37.0
42.0
| 00 00 02A_Drawings-Geology_G1-G5_22x34_05-12-2023 |
| 00 00 02A_GeologyLogs_G6-G33_05-12-2023 |
| G6_B-1_Sht1of2 |
| G7_B-1_Sht2of2 |
| G8_B-2_Sht1of2 |
| G9_B-2_Sht2of2 |
| G10_B-3_Sht1of2 |
| G11_B-3_Sht2of2 |
| G12-B-4_Sht1of2 |
| G13_B-4_Sht2of2 |
| G14_TP-22-01 |
| G15_TP-22-02_Sht1of2 |
| G16_TP-22-02_Sht2of2 |
| G17_TP-22-0_Sht1of2 |
| G18_TP-22-0_Sht2of2 |
| G19_Table 1 - SummaryOfLabTestResults_B-2 and B-3 |
| G20_SummaryOfPhyProp_TP-22-01, -02, -03_Sht1of2 |
| G21_SummaryOfPhyProp_TP-22-01, -02, -03_Sht2of2 |
| G22_SummaryOfGradation&Hydro_TP-22-01, -02, -03_Sht1of2 |
| G23_SummaryOfGradation&Hydro_TP-22-01. -02. -03_Sht2of2 |
| G24_Table 1 - SummaryOfSoil-TypePhyProp_TP-22-02, -03 |
| G25_Table 2 - SummaryOfOne-DimentionalConsolidationTestResults_TP-22-2, -3 |
| G26_Table 3 - SummaryOfTriaxialTestResults_TP-22-2, -3 |
| G27_Table 4 - SummaryOfPermeabilityTestResults_TP-22-2, -3 |
| G28_Table 5 - SummaryOfJETResults_TP-22-2, -3 |
| G29_Table 6 - SummaryOfDispersionTestResult_TP-22-1, -2, -3 |
| G30_Table 7 - SummaryOfRock-TypePhyPropTestResults |
| G31_Table 8 - SummaryOfRockDirectSherTestResults |
| G32_Table 9 - SummaryOfAnchorPulloutTestResults |
| G33_Table 10 - MortarLabResults |
| B-1 ShtNo Sht1of2: G6 |
| B-1 ShtNo Sht2of2: G7 |
| B-2 ShtNo ShtNo 1of2: G8 |
| B-2 ShtNo Sht2of2: G9 |
| B-3 ShtNo Sht1of2: G10 |
| B-3 ShtNo Sht2of2: G11 |
| B-4 ShtNo Sht1of2: G12 |
| B-4 ShtNo Sht2of2: G13 |
| TP-22-01 ShtNo: G14 |
| TP-22-02 ShtNo Sht1of2: G15 |
| TP-22-02 ShtNo Sht2of2: G16 |
| TP-22-0 ShtNo Sht1of2: G17 |
| TP-22-0 ShtNo Sht2of2: G18 |
| Table 1 - G19 ShtNo: G19 |
| SummaryOfPhyProp - G20: G20 |
| SummaryOfPhyProp - G21 Sht2of2: G21 |
| SummaryOfGradation&Hydro - G22 Sht1of2: G22 |
| SummaryOfGradation&Hydro - G23 Sht2of2: G23 |
| Table 1 - G24: G24 |
| Table 2 - G25 ShtNo: G25 |
| Table 3 - G26 ShtNo: G26 |
| Table 4 - G27 ShtNo: G27 |
| Table 5 - G28 ShtNo: G28 |
| Table 6 - G29 ShtNo: G29 |
| Table 7 - G30 ShtNo: G30 |
| Table 8 - G31 ShtNo: G31 |
| Table 9 - G32 ShtNo: G32 |
| Table 10 - G33 ShtNo: G33 |
File details come from the government source that posted it. Updated .