HomeMy WebLinkAboutSUB201300030 Certified Engineer's Report 2022-10-28 (2)MOISTURE/DENSITY RELATIONSHIP
100
99
98
U
d
_T
N
C
N
D
a
97
98
95
21 22.5 24 25.5 27 28.5 30
Water content, %
Test specification: VTM-1, Std. VTM correction
Elev/
Depth
Classification
Nat.
Moist.
S G.
p
LL
pi
% >
#4
% <
No.200
USCS
AASHTO
ML
A-7-5
22
48
15
1.9
76.2
TEST RESULTS
MATERIAL DESCRIPTION
Maximum dry density = 97.9 pcf
Optimum moisture = 24.8 %
Brown, sandy SILT with trace gravel
Project No. 71SO129 Client: Stanley Martin Homes
Project: Westlake Hills Phase 14
Date: 7/8/15
O Location: Jonna Street Station 22+50 Sample Number: 2815 -
Remarks:
Figure
FROEHLING & ROBERTSON, INC.
GRAIN SIZE DISTRIBUTION REPORT
100
90
80
70
z60
FL
z 50
W
W 40
W
a
30
20
10
0
100
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10
SIEVE
SIZE
PERCENT
FINER
SPEC
PERCENT
PASS?
(X=NO)
1 1/2 in
100.0
1 in
99.8
3/4 in
99.4
1/2 in
99.0
3/8 in
98.6
#4
98.1
#8
97.1
#10
96.8
#16
95.4
#30
92.0
#40
89.6
#50
86.8
#100
80.5
#200
76.1
Lab No.: 2815
Location: Jonna Street Station 22+50
SINCE
c&n Froehling and
1" l� Robertson, Inc.
1 0.1
GRAIN SIZE (mm)
0.01 0.001
Brown, sandy SILT with trace gravel
Atterbern Limits
LL= 48 PL= 33 PI= 15
Coefficients
D85= 0.246 Deo= D50=
Dao= Dls= Om=
C�= C�=
Classification
USCS= ML AASHTO= A-7-5
Remarks
Moisture Content-- 22.0 %
Date: 7/23/15
Elev/Depth:
Stanley Martin Homes
Westlake Hills Phase 1-4
n: Albemarle County
No.: 71SO129
SINCE FROEHLING & ROBERTSONr INC.
Engineering* Environmental • Geotechnical
F6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
Re T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes Record #: 71SO129
Project: Westlake Hills Phase 1-4 F&R Lab No.: 2815
Location: Lonna Street Station 22+50 Test Date: 23-Jul-15
Unsoaked CBR �X Soaked CBR
Compaction method: VTM -1; Surcharge weight -10 Ibs Sample Depth: 0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
500
_
N
t
0 400
N_
d
C
°
300
N
N
O!
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
21.2
Swell (%):
N/A
Dry Density Before Soak (pcf):
99.7
Moisture Content Before Soak (%):
24.8
% Compaction Before Soak:
101.8%
Dry Density After Soak (pcf):
N/A
Moisture Content After Soak, Top in. (%):
N/A
%Compaction After Soak:
N/A
Resiliency Factor:
2.0
Tested By: RK
Proctor Max. Dry Density (pcf): 97.9
Proctor Opt. Moisture Content (%): 24.8
Liquid Limit: 48
Plasticity Index: 15
% Retained No. 4 Sieve 1.9
% Passing No. 200 Sieve: 76.2
Visual Description: Brown, sandy SILT with trace
gravel
USCS Classification: ML
AASHTO Classification: A-7-5 (13)
Reviewed By:
Froehling and Robertson, Inc.
SINCE FROEHLING & R0E3ERTSON, INC.
FAR Engineering •Environmental • Geotechnical
6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-33301 USA
8H1 T 434.823.51541 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes Record #: 71SO129
Project: Westlake Hills Phase 1-4 F&R Lab No.: 2815
Location: Jonna Street Station 22+50 Test Date: 23-Jul-15
Unsoaked CBR Soaked CBR �K
Compaction method: VTM -1; Surcharge weight -10 Ibs Sampling Depth: 0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
_ 500
N
d
0 400
a
° 300
w
M
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
14.1
Proctor Max. Dry Density (pcf):
97.9
Swell (%):
0.65%
Proctor Opt. Moisture Content (%):
24.8
Dry Density Before Soak (pcf):
99.7
Liquid Limit:
48
Moisture Content Before Soak (%):
24.8%
Plasticity Index:
15
%Compaction Before Soak:
101.8%
% Retained No. 4 Sieve
1.9
Dry Density After Soak (pcf):
99.0
% Passing No. 200 Sieve:
76.2
Moisture Content After Soak, Top in. (%):
28.4%
Visual Description: Brown, sandy SILT with trace
% Compaction After Soak:
101.2%
gravel
Resiliency Factor:
2.0
USCS Classification:
ML
AASHTO Classification:
A-7-5 {13)
Tested By: RK
Reviewed By:
Froehling and Robertson, Inc.
• III . . . •
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ROCK CORRECTED TEST RESULTS
UNCORRECTED
Optimum moisture
rojeet No. 71SO129 Client: Stanley Martin Homes
Project: Westlake Hills Phase 14
Date:
�O Sample Number: 2816
FROEHLING & ROBERTSON,
GRAIN SIZE DISTRIBUTION REPORT
100
90
80
70
Z 60
z50
W
of 40
w
a
30
20
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10
SIEVE
SIZE
PERCENT
FINER
SPEC
PERCENT
PASS?
(X=NO)
1 1/2 in
99.0
1 in
97.9
314 in
95.2
1/2 in
91.7
3/8 in
90.2
#4
87.7
#8
84.8
#10
84.1
#16
81.9
#30
77.2
#40
74.1
#50
70.3
#100
63.3
#200
57.9
Lab No.: 2816
Location: Jonna Street Station 19+00
SINCE
Oc&n Froehling and
Robertson, Inc.
1 0.1
GRAIN SIZE (mm)
0.01 0.001 1
Soil Description
Orangish brown, sandy SILT with little gravel
Atterbero Limits
LL= 41 PL= 30
PI= 11
Coefficients
Dss= 2.469 D60= 0.097
D50=
D30= Die=
Dio=
C, C�=
Classification
USCS= ML AASHTO=
A-7-5
Remarks
Moisture Content= 10.8 %
Specific Gravity=
ect II
Date: 7/23/15
Elev/Depth:
Stanley Martin Homes
Westlake Hills Phase 1-4
Albemarle County
SINCE FROEHLING & ROBERTSON, INC.
Engineering •Environmental • Geotechnical
6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes
Project: Westlake Hills Phase 1-4
Location: Jonna Street Station 19+00
Unsoaked CBR F]
Compaction method: VTM -1; Surcharge weight -10 Ibs
Compactive effort: 5 Layers with 45 blows per layer
Record #:
71SO129
F&R Lab No.:
2816
Test Date:
23-Jul-15
Soaked CBR
Sample Depth:
0 to 1.5 feet
700
600
_ Soo
N
C
0 400
N
a
C
N 300
N
d
V
N
200
100
V-
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
Swell (%):
Dry Density Before Soak (pcf):
Moisture Content Before Soak (%):
%Compaction Before Soak:
Dry Density After Soak (pcf):
Moisture Content After Soak, Top in. (%):
% Compaction After Soak:
Resiliency Factor:
31.0
Proctor Max. Dry Density (pcf):
110.3
N/A
Proctor Opt. Moisture Content (%):
17.9
111.7
Liquid Limit:
41
17.8
Plasticity Index:
11
101.3%
% Retained No. 4 Sieve
12.3
N/A
% Passing No. 200 Sieve:
57.6
N/A
Visual Description: Orangish brown, sandy SILT with
N/A
little gravel
2.0
USCS Classification:
ML
AASHTO Classification:
A-7-5 (5)
Tested By: RK Reviewed By:
Froehling and Robertson, Inc.
----------------
SINCE FROEHLING & ROBERTSON, INC.
Engineering* Environmental • Geotechnical
6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
881 T 434.823.51541 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes Record #: 71SO129
Project: Westlake Hills Phase 1-4 F&R Lab No.: 2816
Location: Jonna Street Station 19+00 Test Date: 23-Jul-15
Unsoaked CBR ❑ Soaked CBR �X
Compaction method: VTM -1; Surcharge weight - 30 Ibs Sampling Depth: 0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
Soo
.N
a
0 400
N
a
°
300
-
v
N
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
Swell (%):
Dry Density Before Soak (pcf):
Moisture Content Before Soak (%):
% Compaction Before Soak:
Dry Density After Soak (pcf):
Moisture Content After Soak, Top in. (%):
%Compaction After Soak:
Resiliency Factor:
Tested By: RK
19.2
Proctor Max. Dry Density (pcf):
110.3
0.50%
Proctor Opt. Moisture Content (%):
17.9
112.1
Liquid Limit:
41
17.8%
Plasticity Index:
11
101.6%
% Retained No. 4 Sieve
12.3
111.5
% Passing No. 200 Sieve:
57.6
22.4%
Visual Description: Orangish brown, sandy SILT with
101.1%
little gravel
2.0
USCSClassification:
ML
AASHTO Classification:
A-7-5 {5)
Reviewed By:
Froehling and Robertson, Inc.
MOISTURE/DENSITY RELATIONSHIP
97
95.s
46 96
dINN
N
C
m
t?'
95.5
95
94.5
21 22.5 24 25.5 27 28.5 30
Water content, %
Test specification: VTM-I, Std. VTM correction
Elev/
Depth
Classification
Nat.
Moist.
S G.
p
LL
PI
%>
#4
%
No.200
USCS
AASHTO
M L
A-7-5
26.1
49
14
2.3
71.4
TEST RESULTS
MATERIAL DESCRIPTION
Maximum dry density = 96.2 pcf
Optimum moisture = 25.6 %
Orangish brown sandy SILT with trace
gravel
Project No. 71S0129 Client: Stanley Martin Homes
Project: Westlake Hills Phase 14
Date: 8/13/15
10 Location: Jonna Street Station 10+50 Sample Number: 2833
Remarks:
Figure
JLFROEHLING & ROBERTSON, INC.
100
Is
iT
w
Z 60
LL
Z 50
W
x 40
W
IL
kl(
20
ID]
GRAIN SIZE DISTRIBUTION REPORT
G
L gg
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10
SIEVE
SIZE
PERCENT
FINER
SPEC
PERCENT
PASS?
(X=NO)
1 1/2 in
100.0
1 in
99.7
3/4 in
99.5
1/2 in
98.4
3/8 in
98.5
#4
97.7
#8
96.8
#10
96.4
#16
95.0
#30
91.1
#40
88.2
#50
84.7
#100
77.0
#200
71.4
Lab No.: 2833
Location: Jonna Street Station 10+50
SINCE
F&A Froehling and
Robertson, Inc.
1 0.1
GRAIN SIZE (mm)
0.01 0.001
Soil Description
Orangish brown, sandy SILT with trace
gravel
Atterbem Limits
LL= 49
PL= 35
PI= 14
Coefficients
Dee= 0.309
D6o=
D50=
D3o=
D15=
Dio=
C,,=
C
Classification
USCS= ML
AASHTO=
A-7-5
Remarks
Moisture Content= 26.1 %
Specific Gravity=
Date: 9/1/15
Elev/Depth:
Stanley Martin Homes
Westlake Hills Phase 1-4
n: Albemarle County
No.: 71SO129
SINCE FROEHLING & ROBERTSON, INC.
F&R Engineering •Environmental • Geotechnical
6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
3B T 434.823.51541 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes Record #: 71SO129
Project: Westlake Hills Phase 1-4 F&R Lab No.: 2833
Location: Jonna Street Station 30+50 Test Date: 01-Sep-15
Unsoaked CBR ❑X Soaked CBR
Compaction method: VTM -1; Surcharge weight -10lbs Sample Depth: 0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
500
a
I "
0 400
a
c
°
300
"
"
U1
N
200
i
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
19.2
Swell (%):
N/A
Dry Density Before Soak (pcf):
97.7
Moisture Content Before Soak (%):
25.6
% Compaction Before Soak:
101.5%
Dry Density After Soak (pcf):
N/A
Moisture Content After Soak, Top in. (%):
N/A
% Compaction After Soak:
N/A
Resiliency Factor:
2.0
Proctor Max. Dry Density (pcf):
96.2
Proctor Opt. Moisture Content (%):
25.6
Liquid Limit:
49
Plasticity Index:
14
% Retained No. 4 Sieve
2.3
% Passing No. 200 Sieve:
71.4
Visual Description: Orangish brown, sandy SILT with
trace gravel
USCS Classification:
ML
AASHTO Classification:
A-7-5 ill)
Tested By: RK Reviewed By:
Froehling and Robertson, Inc.
F.- -- - ] -
SINCE FR❑EHLING & ROBERTSON, INC.
FAR Engineering* Environmental • Geotechnical
6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
ae, T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes Record #: 71SO129
Project: Westlake Hills Phase 1-4 F&R Lab No.: 2833
Location: Jonna Street Station 30+50 Test Date: 01-Sep-15
Unsoaked CBR El Soaked CBR �X
Compaction method: VTM -1; Surcharge weight - 30 Ibs Sampling Depth: 0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
500
.N
a
0 400
N
a
c
N 300
N
w
Y
H
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
13.5
Proctor Max. Dry Density (pcf):
96.2
Swell (%):
0.92%
Proctor Opt. Moisture Content (%):
25.6
Dry Density Before Soak (pcf):
97.6
Liquid Limit:
49
Moisture Content Before Soak (%):
25.6%
Plasticity Index:
14
% Compaction Before Soak:
101.5%
% Retained No. 4 Sieve
2.3
Dry Density After Soak (pcf):
96.7
% Passing No. 200 Sieve:
71.4
Moisture Content After Soak, Top in. (%):
30.8%
Visual Description: Orangish brown, sandy SILT with
% Compaction After Soak:
100.5%
trace gravel
Resiliency Factor:
2.0
USCS Classification:
ML
AASHTO Classification:
A-7-5 {311
Tested By: RK
Reviewed By:
Froehling and Robertson, Inc.
F NCF
FROEHLING & ROBERTSON, INC.
Engineering • Environmental • Geotechnical
I` K 6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes
Record #:
71SO129
Project: Westlake Hills Phase 1-4
F&R Lab No.:
2685
Location: Westhall Drive Station 18+50
Test Date:
28-Jan-15
Unsoaked CBR
❑
Soaked CBR
�X
Compaction method: VTM -1; Surcharge weight -10 Ibs
Sampling Depth:
0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
Soo
N
Q
0 400
V
N
'a
c
° 300
N
v
V
h
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
Swell (%):
Dry Density Before Soak (pcf):
Moisture Content Before Soak (%):
%Compaction Before Soak:
Dry Density After Soak (pcf):
Moisture Content After Soak, Top in. (%):
% Compaction After Soak:
Resiliency Factor:
10.8
Proctor Max. Dry Density (pcf):
95.9
1.75%
Proctor Opt. Moisture Content (%):
23.1
97.8
Liquid Limit:
NP
23.1%
Plasticity Index:
NP
101.9%
% Retained No. 4 Sieve
1.7
96.1
% Passing No. 200 Sieve:
67.2
31.7%
Visual Description: Light brown, sandy SILT with trace
100.2%
gravel
2.0
USCS Classification:
ML
AASHTO Classification:
A-4 (0)
Tested By: RK Reviewed By:
F NCF
FROEHLING & ROBERTSON, INC.
Engineering • Environmental • Geotechnical
I` K 6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes
Record #:
71SO129
Project: Westlake Hills Phase 1-4
F&R Lab No.:
2685
Location: Westhall Drive Station 18+50
Test Date:
28-Jan-15
Unsoaked CBR
�X
Soaked CBR
❑
Compaction method: VTM -1; Surcharge weight -10 Ibs
Sample Depth:
0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
Soo
N
Q
0 400
V
N
'a
c
° 300
N
v
V
h
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
Swell (%):
Dry Density Before Soak (pcf):
Moisture Content Before Soak (%):
%Compaction Before Soak:
Dry Density After Soak (pcf):
Moisture Content After Soak, Top in. (%):
% Compaction After Soak:
Resiliency Factor:
11.9
Proctor Max. Dry Density (pcf):
95.9
N/A
Proctor Opt. Moisture Content (%):
23.1
97.8
Liquid Limit:
NP
23.1
Plasticity Index:
NP
101.9%
% Retained No. 4 Sieve
1.7
N/A
% Passing No. 200 Sieve:
67.2
N/A
Visual Description: Light brown, sandy SILT with trace
N/A
gravel
2.0
USCS Classification:
ML
AASHTO Classification:
A-4 (0)
Tested By: RK Reviewed By:
F NCF
FROEHLING & ROBERTSON, INC.
Engineering • Environmental • Geotechnical
I` K 6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes
Record #:
71SO129
Project: Westlake Hills Phase 1-4
F&R Lab No.:
2700
Location: Jonna Street Station 29+00
Test Date:
18-Feb-15
Unsoaked CBR
❑
Soaked CBR
�X
Compaction method: VTM -1; Surcharge weight -10 Ibs
Sampling Depth:
0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
Soo
N
Q
0 400
V
N
'a
c
° 300
N
v
V
h
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
Swell (%):
Dry Density Before Soak (pcf):
Moisture Content Before Soak (%):
%Compaction Before Soak:
Dry Density After Soak (pcf):
Moisture Content After Soak, Top in. (%):
% Compaction After Soak:
Resiliency Factor:
5.4
Proctor Max. Dry Density (pcf):
95.7
3.80%
Proctor Opt. Moisture Content (%):
19.6
95.9
Liquid Limit:
NP
19.5%
Plasticity Index:
NP
100.2%
% Retained No. 4 Sieve
1.3
92.4
% Passing No. 200 Sieve:
67.9
33.7%
Visual Description: Light brown, sandy SILT with trace
96.6%
gravel
2.0
USCS Classification:
ML
AASHTO Classification:
A-4 (0)
Tested By: RK Reviewed By:
F NCF
FROEHLING & ROBERTSON, INC.
Engineering • Environmental • Geotechnical
I` K 6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes
Record #:
71SO129
Project: Westlake Hills Phase 1-4
F&R Lab No.:
2700
Location: Jonna Street Station 29+00
Test Date:
18-Feb-15
Unsoaked CBR
�X
Soaked CBR
❑
Compaction method: VTM -1; Surcharge weight -10 Ibs
Sample Depth:
0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
Soo
N
Q
0 400
V
N
'a
c
° 300
N
v
V
h
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
Swell (%):
Dry Density Before Soak (pcf):
Moisture Content Before Soak (%):
%Compaction Before Soak:
Dry Density After Soak (pcf):
Moisture Content After Soak, Top in. (%):
% Compaction After Soak:
Resiliency Factor:
19.2
Proctor Max. Dry Density (pcf):
95.7
N/A
Proctor Opt. Moisture Content (%):
19.6
96.1
Liquid Limit:
NP
19.5
Plasticity Index:
NP
100.5%
% Retained No. 4 Sieve
1.3
N/A
% Passing No. 200 Sieve:
67.9
N/A
Visual Description: Light brown, sandy SILT with trace
N/A
gravel
2.0
USCS Classification:
ML
AASHTO Classification:
A-4 (0)
Tested By: RK Reviewed By:
ro&Robertson, Inc.
Crozet
"Y(K rozet zetOTfice
v 6185 Rockfish Gap Turnpike
Crozet, VA 22932
Phone: 434.823.5154 www.FandR.com
0
California Bearing Ratio Test Report
Client: Stanley Martin Homes CC:
11710 Plaza America Drive
Reston, VA 20190
Project: 71 V0037
Westlake Hills Phase II, III, and IV
Westlake Hills
Crozet, VA 22932
Report No: CBR:7121-03614-S02
Issue No: 1
Reviewed By: Taylor Lance J
Review Dale: 6/3/2021
Sample Details
Sample ID: 7121-03614-S02 Date Sampled: 3/23/2021
Sampled By:
Sampling Method:
Source: Material:
Specification: Full Set of Sieves Location: Lavaca Court; Station 11+50
Tested By: Date Tested:
Stress vs
Penetration =
est Result
240.0
- - ............
ASTM D 1883
CBR At 0.1 in (%): 8.8
CBR At 0.2in (%): 8.8
220.0
............................................... ....
Compactive Effort:
200.0
.....................:....................... ........a
Number of Blows: 56
% of Maximum Dry Density: 100.3
180.0
. . . . .. . ........................... ....'........... ,
Dry Density Before Soaking (lb/ft): 93.8
Dry Density After Soaking (Ibttl): 93.6
160.0
..........:..........:........ ..................... :
MC Before Compaction(%): 26.7
MC After Compaction (%): 26.6
^ 140.0
.... ,
Moisture Content of Top l in (%): 34.8
a
-------=------- : : :
Average Moisture Content(%): 28.4
1e 120.0
.....:....... .......................
..... ' ..........:
Maximum Dry Density (Ib/ft): 93.5
y
w
'
Optimum Moisture Content (%): 26.7
N 100.0
..........:
Sample Condition: Soaked
Immersion Period (h): 96
80.0
......... .......... i...................................
Swell (%): 1.3
Surcharge Mass (lb):
60.0
.........i..........i...................................
Date Tested:
20.0
I I
........ !.......... !......
i I
0.0
0.0
0.1 0.2 0.3 0.4 0.5
Penetration (in)
The results provided herein relate only to the items inspectetl an Wor tested. This report shall not ba reproduced, except in full, without the prior written approval of FBR.
Form No: 189 , Report No: CBR:712140614 = 0200 2021 QESTLab by SpeUreQEST.com Page 1 of 1
ro&Robertson, Inc.
Crozet
"Y(K rozet zetOTfice
v 6185 Rockfish Gap Turnpike
Crozet, VA 22932
Phone: 434.823.5154 www.FandR.com
0
California Bearing Ratio Test Report
Client: Stanley Martin Homes CC:
11710 Plaza America Drive
Reston, VA 20190
Project: 71 V0037
Westlake Hills Phase II, III, and IV
Westlake Hills
Crozet, VA 22932
Report No: CBR:7121-03614-S03
Issue No: 1
Reviewed By: Taylor Lance J
Review Dale: 6/3/2021
Sample Details
Sample ID: 7121-03614-S03 Date Sampled: 3/23/2021
Sampled By:
Sampling Method:
Source: Material:
Specification: Full Set of Sieves Location: Westhall Drive, station 14+30
Tested By: Date Tested:
Stress vs
Penetration
Test Resul�-
240.0
- -
ASTM D 1883
;
CBR At 0.1 in (%): 8.1
CBR At 0.2in (%): 8.5
220.0
................................................. ...
Compactive Effort:
200.0
.....................:........................... .. .:
Number of Blows: 56
% of Maximum Dry Density: 100.3
180.0
.......... . ..........:.................... .......... .
Dry Density Before Soaking (lb/ft ): 94.1
Dry Density After Soaking (Ibttl): 94.9
160.0
..........'..................... .. ..................:
MC Before Compaction(%): 28.5
MC After Compaction (%): 28.2
^ 140.0
Moisture Content of Top l in (%): 30.6
Average Moisture Content (%): 28.4
1e 120.0
.......... . ....... ..i..........:........... ............ ._
Maximum Dry Density (Ib/ft): 93.8
w
I
Optimum Moisture Content (%): 28.2
_
1n 100.0
...........
Sample Condition: Soaked
Immersion Period (h): 96
80.0
........... .......................:
I
Swell (%): 0.4
i
Surcharge Mass (lb):
60.0
.... ... i.......... i..................................
Date Tested:
40.0
.........i...........i.................................:
20.0
I I
.......... !.......... i_
i I
0.01.
0.0
0.1 0.2 0.3 0.4 0.5
Penetration (in)
The results provided herein relate only to the items inspectetl an Wor tested. This report shall not ba reproduced, except in full, without the prior written approval of FBR.
Form No: 18e86, Report No: CBR:712140614503 0200 2021 QESTLab by SpeUreQEST.com Page 1 of 1
ro&Robertson, Inc.
Crozet
"Y(K rozet zetOTfice
v 6185 Rockfish Gap Turnpike
Crozet, VA 22932
Phone: 434.823.5154 www.FandR.com
0
California Bearing Ratio Test Report
Client: Stanley Martin Homes CC:
11710 Plaza America Drive
Reston, VA 20190
Project: 71 V0037
Westlake Hills Phase II, III, and IV
Westlake Hills
Crozet, VA 22932
Report No: CBR:7121-03614-S05
Issue No: 1
Reviewed By: Taylor Lance J
Review Dale: 6/3/2021
Sample Details
Sample ID: 7121-03614-S05 Date Sampled: 3/23/2021
Sampled By:
Sampling Method:
Source: Material:
Specification: Full Set of Sieves Location: Eastern Ave. Station 18+00
Tested By: Date Tested:
Stress vs
Penetration
Test Resul
260.0
-
ASTM D 1883
CBR At 0.1 in (%): 15.2
240.0
..........:...........:...........:...........:...... ...:
CBR At 0.2in (%): 12.8
Compactive Effort:
220.0
...........:...........:...........-............ ....•
Number of Blows: 56
:
% of Maximum Dry Density: 101.3
200.0
'. ! ......... i .......... r
Dry Density Before Soaking (lb/ft): 88.4
-----------------
Dry Density After Soaking (Ibttt): 88.5
180.0
..........:..... ....
MC Before Compaction (%): 32.4
MC After Compaction (%): 32.5
so.o
.-.
........... ...... ...
-------- I
Moisture Content of Top l in(%): 36.6
to
... 140.0
. . . . . .. . . ...... . . . . ...... . . ............:
Average Moisture Content (°k): 34.2
rn
Maximum Dry Density (Ib/ft): 87.3
N
v 120.0
............................:...........:.......... :
Optimum Moisture Content (%): 33.4
1n
i i
Sample Condition: Soaked
100.0
.... .... { ...........I ....................... :.............
Immersion Period (h): 96
Swell (%): 0.3
80.0
... ......i .......... ...........:...........:.
� � . . . . . . . . . :
Surcharge Mass (lb):
Date Tested:
00.0
.....................i..................... .. ...........
40.0
I I
..........i..........i...........:.. .........: .. .. .......
i I
i I
0o
0.0
0.1 0.2 0.3 0.4 0.5
Penetration (in)
The results provided herein relate only to the items inspectetl an Wor tested. This report shall not ba reproduced, except in full, without the prior written approval of FBR.
Form No: 18e86, Report No: CBR:712140614S05 0200 2021 QESTLab by SpeUreQEST.com Page 1 of 1
ro&Robertson, Inc.
Crozet
"Y(K rozet zetOTfice
v 6185 Rockfish Gap Turnpike
Crozet, VA 22932
Phone: 434.823.5154 www.FandR.com
0
California Bearing Ratio Test Report
Client: Stanley Martin Homes CC:
11710 Plaza America Drive
Reston, VA 20190
Project: 71 V0037
Westlake Hills Phase II, III, and IV
Westlake Hills
Crozet, VA 22932
Report No: CBR:7121-03614-S06
Issue No: 1
Reviewed By: Taylor Lance J
Review Dale: 6/3/2021
Sample Details
Sample ID: 7121-03614-S06 Date Sampled: 3/23/2021
Sampled By:
Sampling Method:
Source: Material:
Specification: Full Set of Sieves Location: Westhall Drive, station 11+50
Tested By: Date Tested:
Stress vs
Penetration
Test Resul�-
280.0
- .............. ..
ASTM D 1883
CBR At 0.1 in (%): 9.8
260.0
............. ........ .:............................... ..
CBR At 0.2in (%): 10.1
Compactive Effort:
240.0
..................... ... ......................... .....
Number of Blows: 56
% of Maximum Dry Density: 100.0
220.0
i
Dry Density Before Soaking (lb/ft): 101.2
200.0
.......... + ...........:...........:.. ....... : ...... .....:
Dry Density After Soaking (Ib/ft): 100.7
MC Before Compaction (%): 20.8
180.0
..........:..........:...... ...............:..........:
MC After Compaction (%): 20.7
Moisture Content of Top 1 in (%): 27.5
rn160.0
o_
....................... .. ...................
_ _ _ _ _ _ _ _: _ _ _ _ _ _ _ _
Average Moisture Content (%): 22.7
ow 140.0
' ..........:
Maximum Dry Density (Ib/ft): 101.2
w
'
Optimum Moisture Content (%): 20.8
1n 120.0
. . . . . .i.
Sample Condition: Soaked
Immersion Period (h): 96
100.0
..............................................
Swell ° 1.0
80.0
...... . i ........... ........... :.......... ..............
Surcharge Mass (lb):
i i
Date Tested:
I I
i I
i
I
0.0
0.0
0.1 0.2 0.3 0.4 0.5
Penetration (in)
The results provided herein relate only to the items inspected an Wor tested. This report shall not tw reproduced, except in full, without the prior written approval of FBR.
Form No: 189 , Report No: CBR:712140614506 0200 2021 QESTLab by SpeUreQEST.com Page 1 of 1
MOISTURE/DENSITY RELATIONSHIP
94
93
92
U
a
N
C
m
!T
91
90
8911
24 25.5 27 28.5 30 31.5 33
Water content, %
Test specification: VTM-1, Std. VTM correction
Elev/
Depth
Classification
Nat.
Moist.
Sp.G.
LL
PI
%>
#4
%<
No.200
USCS
AASHTO
ML
A-5
31.8
47
7
2.3
81.8
TEST RESULTS
MATERIAL DESCRIPTION
Maximum dry density = 92.9 pcf
Optimum moisture = 27.8 %
Brown, SILT with some sand and trace
gravel
Project No. 71SO129 Client: Stanley Martin Homes
Project: Westlake Hills Phase 1-4
Date: 6/4/16
�- Location: Eastern Ave. station 12+50 Sample Number: 3090
Remarks:
Figure
FROEHLING & ROBERTSON, INC.
"CE FROEHLING & ROBERTSON, INC.
/ Engineering • Environmental • Geotechnical
F6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
i ae, T 434.823.5154 1 F 434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes Record #: 71SO129
Project: Westlake Hills Phase 1-4 F&R Lab No.: 3090
Location: Eastern Ave. station 12+50 Test Date: 10-Jun-16
Unsoaked CBR ❑X Soaked CBR El
Compaction method: VTM -1; Surcharge weight - 30 Ibs Sample Depth: 0 to 1.5 feet
Compactive effort: 5 Layers with 45 blows per layer
700
600
it
500
_
N
O.
a
400
N
a
c
N 300
N
w
Y
N
200
100
0
0.000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
15.5
Swell (%):
N/A
Dry Density Before Soak (pcf):
114.7
Moisture Content Before Soak (%):
27.9
%Compaction Before Soak:
123.4%
Dry Density After Soak (pcf):
N/A
Moisture Content After Soak, Top in. (%):
N/A
% Compaction After Soak:
N/A
Resiliency Factor:
2.0
Tested By: RK
Proctor Max. Dry Density (pcf):
92.9
Proctor Opt. Moisture Content (%):
27.8
Liquid Limit:
47
Plasticity Index:
7
% Retained No. 4 Sieve
2.3
% Passing No. 200 Sieve:
81.8
Visual Description: Brown, SILT with some sand and
trace gravel
USCS Classification:
AASHTO Classification:
Reviewed By:
Froehling and Robertson, Inc.
SINCE FROEHLING & ROBERTSON, INC.
Engineering* Environmental • Geotechnical
6181 Rockfish Gap Turnpike
Crozet, Virginia 22932-3330 1 USA
T434.823.51541 F434.823.4764
California Bearing Ratio (AASHTO T 193)
Client: Stanley Martin Homes
Project: Westlake Hills Phase 1-4
Location: Eastern Ave. station 12+50
Unsoaked CBR El
Compaction method: VTM -1; Surcharge weight -10 Ibs
Compactive effort: 5 Layers with 45 blows per layer
Record #:
7150129
F&R Lab No.:
3090
Test Date:
10-1un-16
Soaked CBR
F]
Sampling Depth:
0 to 1.5 feet
700
600
_ 500
n
a
400
a
c
300
a
N
200
100
0
0,000 0.100 0.200 0.300 0.400 0.500
Penetration (inches)
CBR @ 0.1 in. penetration:
8.8
Proctor Max. Dry Density (pcf):
92.9
Swell (%):
1.55%
Proctor Opt. Moisture Content (%):
27.8
Dry Density Before Soak (pcf):
94.5
Liquid Limit:
47
Moisture Content Before Soak (%):
27.8%
Plasticity Index:
7
% Compaction Before Soak:
101.7%
% Retained No. 4 Sieve
2.3
Dry Density After Soak (pcf):
93.0
% Passing No. 200 Sieve:
81.8
Moisture Content After Soak, Top in. (%):
34.5%
Visual Description: Brown,
SILT with some sand and
% Compaction After Soak:
100.2%
trace gravel
Resiliency Factor:
2.0
USCS Classification:
AASHTO Classification:
Tested By: RK
Reviewed By:
Froehling and Robertson, Inc.