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LD-450 5/12/09
DEPARTMENT OF TRANSPORTATION
DIVISION: MATERIALS
REPORT COVER SHEET
Soil Survey Report March 29, 2015
Matthew G. Moore, P.E.
VDOT (Division) or Company Name Insert Location, Virginia
Insert Technical Discipline
VDOT Materials - Culpeper District Culpeper, Virginia
Geotechnical Engineering
VDOT (Division) or Company Name Insert Location, Virginia
Insert Technical Discipline
Responsible for Pages Responsible for Pages 1 to 3 Responsible for Pages
Project Description From: 0.095 Miles East of Route 1060 To: Route 1070 Project UPC No.: 100549
DEPARTMENT OF TRANSPORTATION 1601 Orange Road
Culpeper, Virginia 22701 Charles A. Kilpatrick, P.E. Commissioner
WE KEEP VIRGINIA MOVING
March 29, 2015
Project: 0661-030-737, P101 UPC #: 100549 From: 0.095 mi. E. of Rte. 1060 To: Rte. 1070
Length: 0.16 mi. To: Culpeper District Location & Design Subject: Soil Survey Report, Route 661 Schoolhouse Road, Fauquier County This soil survey report is based on a total of seven (7 ) soil borings performed on March 9, 2015. The borings were extended to a maximum depth of 5.0 feet below existing surface elevations. The purpose of the project is to improve or change the alignment of Route 661 without added capacity. According to Integrated Project Management (IPM) system information, the project is currently scheduled for construction November 2016.
Soil Description, Groundwater & Observations Below the existing pavement structure, strata described and/or classified as clay (CL) was encountered. Auger refusal, possibly indicating the top of rock, was encountered at boring location B-5 at approximately 4.0 feet below the existing surface elevation. Groundwater was not encountered. Descriptions of strata are provided on the attached boring logs. Existing Pavement Structure
At the boring locations, the existing pavement structure consisted of asphalt concrete layers ranging between 4.0 and 8.0 inches and underlying base type aggregate ranging between 4.0 and 6.0 inches. The pavement structure material thicknesses are show on the attached boring logs.
Soil Survey Report VDOT Project No. 0661-030-737, P101, UPC# 100549 March 29, 2015 Page 2 of 3
WE KEEP VIRGINIA MOVING
Pavement Structure Recommendations
New Pavement – Route 661 Mainline
For Surface: Use 1.5 inches of Asphalt Concrete, Type SM-9.5A. For Base: Use 4.0 inches of Asphalt Concrete, Type BM-25.0A. For Subbase: Use 6.5 inches of Aggregate Base, Type I, Size No. 21-B.
Existing Pavement – Route 661 Mainline
Mill 1.5 inches and replace with 1.5 inches Asphalt Concrete, Type SM-9.5A. The AASHTO Guide for Design of Pavement Structures (1993) was used to determine the pavement structure recommendations above (new pavement and overlay). A 20-year design life, 6,000 psi subgrade resilient modulus, assumed 2.0% growth rate and traffic data obtained from VDOT Traffic Engineering Division (Year 2013, Jurisdiction Report 030) were used for calculations of new pavement structure design. A 10-year design life was used for the overlay design. Existing paved shoulder areas that will be exposed to long-term or post-construction mainline traffic should be demolished and replaced with new mainline pavement structure. UD-4 edge-drain and CD-2 under-drain should be constructed per VDOT Road and Bridge Standards with positive drainage to outlet pipes and daylight points. In lieu of edge-drain, pavement structure drainage can be provided by day-lighting the aggregate subbase. For crown sections, edge-drain should be placed along both sides of the pavement structure and along the low side, only, for super-elevated sections. Earthwork & Materials Recommendations
Regular Excavation & Borrow
Soils from the planned regular excavation can be used for fill and backfill. Borrow soils should have a minimum CBR value of 5.0, maximum Liquid Limit (LL) of 45 and maximum plasticity index of 20. Highly plastic clay was encountered and may need significant manipulation in order to achieve the moisture content(s) required for adequate compaction. It is recommended that the Contractor plan for having equipment available to disc and till the soils. Slopes
All cut and fill slopes should be no steeper than a ratio of 2 horizontal to 1 vertical (2H:1V).
Shrinkage Estimate
Use 15.0% shrinkage factor for earthwork volume computations (borrow and regular excavation).
Topsoil Use 6.0-inch depth for calculation of topsoil removal. Ditch lines, and other areas where soil and debris can accumulate, may need to be considered with, or part of, topsoil removal in fill areas.
Soil Survey Report VDOT Project No. 0661-030-737, P101, UPC# 100549 March 29, 2015 Page 3 of 3
WE KEEP VIRGINIA MOVING
Rock Auger refusal was encountered at boring location B-5 at approximately 4.0 feet below the existing surface elevation and may indicate the tope of rock. Based on comparison of the planned cut depths with the auger refusal elevation, rock excavation is not anticipated. Auger refusal was not encountered at any of the other boring locations. Unsuitable Subgrade Soil material unsuitable for proposed subgrade was not encountered within the borings. Source of Materials
Aggregates
Two sources for aggregate material, located within the Culpeper District and near to the project location, are provided below along with recent test results data of selected products.
Luck Stone – Bealton
Aggregate Base Material, Type I, Size No. 21-A – maximum dry density 163.5 lbs. /cu. ft. at 4.6% optimum moisture content. Aggregate Base Material, Type I, Size No. 21-B – maximum dry density 161.9 lbs. / cu. ft. at 4.7% optimum moisture content.
Vulcan Materials - Warrenton
Aggregate Base Material, Type I, Size No. 21-A – maximum dry density 137.7 lbs. / cu. ft. at 5.9% optimum moisture content. Aggregate Base Material, Type I, Size No. 21-B – maximum dry density 138.3 lbs. / cu. ft. at 5.6% optimum moisture content.
For Open-Graded Aggregate, Size No. 57, a unit weight of 105.0 lbs. / cu. ft. is recommended for quantity calculations.
Matthew G. Moore. P.E. Geotechnical/Pavement Engineer Culpeper District Materials Attachments: Boring Logs (7 Pages) Boring Location Plan (2 Pages)
18.0
27.1
38 15 70.5
0.0 / 293.0ASPHALT ASPH
0.7 / 292.3CRUSHED AGGREGATE CRA1.0 / 292.0 Red to brown, LEAN CLAY, contains aggregate, verystiff, moist CL
2.2 / 290.8Red to brown, LEAN CLAY, hard, moist CL
Boring terminated at 3.7 feet
77
87
PAGE 1 OF 1
B-1
B-1
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 5' Right of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
B:R
OU
TE
661
SC
HO
OLH
OU
SE
RD
.GP
J:8.
30.0
03:0
125
12:3
/30/
15
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
FIN
ES
CO
NT
EN
T -
#200
(%
)
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
292
291
290
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.20.40.60.81.01.21.41.61.82.02.22.42.62.83.03.23.43.6
STATION: 199+00NORTHING: ftSURFACE ELEVATION: 293.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
4
12
6
14
12
17
0.7
2.2
3.7
11.4
11.7
7.9
31 9 73.5
0.0 / 298.0ASPHALT ASPH0.3 / 297.7CRUSHED AGGREGATE CRA0.6 / 297.4Brown, LEAN CLAY, contains aggregate, hard, moistCL
1.8 / 296.2Brown, LEAN CLAY, very hard, moist CL
3.3 / 294.7SAME, CL
Boring terminated at 4.7 feet
67
100
71
PAGE 1 OF 1
B-2
B-2
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 5' Left of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
B:R
OU
TE
661
SC
HO
OLH
OU
SE
RD
.GP
J:8.
30.0
03:0
125
12:3
/30/
15
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
FIN
ES
CO
NT
EN
T -
#200
(%
)
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
296
294
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
STATION: 201+00NORTHING: ftSURFACE ELEVATION: 298.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
7
10
12
10
20
34
14
40
50/5
0.3
1.8
3.3
4.7
18.7
14.6
27.6
28 10 73.3
0.0 / 306.0ASPHALT ASPH
0.5 / 305.5CRUSHED AGGREGATE CRA0.8 / 305.2Brown, LEAN CLAY, contains aggregate, stiff, moist CL
2.0 / 304.0SAME, CL
3.5 / 302.5SAME, very stiff CL
Boring terminated at 5.0 feet
67
20
113
PAGE 1 OF 1
B-3
B-3
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 6' Right of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
B:R
OU
TE
661
SC
HO
OLH
OU
SE
RD
.GP
J:8.
30.0
03:0
125
12:3
/30/
15
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
FIN
ES
CO
NT
EN
T -
#200
(%
)
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
304
302
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
STATION: 203 +00NORTHING: ftSURFACE ELEVATION: 306.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
6
6
6
5
5
8
5
5
8
0.5
2
3.5
5
15.5
21.537 17 68.4
0.0 / 305.0ASPHALT ASPH
0.5 / 304.5CRUSHED AGGREGATE CRA0.8 / 304.2Brown to gray, LEAN CLAY, contains aggregate base,stiff, moist CL
2.0 / 303.0SAME, CL
Boring terminated at 4.0 feet
67
50
PAGE 1 OF 1
B-4
B-4
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 5' Left of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
B:R
OU
TE
661
SC
HO
OLH
OU
SE
RD
.GP
J:8.
30.0
03:0
125
12:3
/30/
15
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
FIN
ES
CO
NT
EN
T -
#200
(%
)
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
304
303
302
301
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.20.40.60.81.01.21.41.61.82.02.22.42.62.83.03.23.43.63.84.0
STATION: 205+00NORTHING: ftSURFACE ELEVATION: 305.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
6
6
4
5
4
4
3
0.5
2
4
15.7
17.7
38 10 58.0
0.0 / 303.0ASPHALT ASPH
0.7 / 302.3CRUSHED AGGREGATE CRA1.0 / 302.0Brown to gray, LEAN CLAY, contains aggregate base,very stiff, moist CL
2.2 / 300.8SAME, hard CL
Boring terminated at 3.7 feetAuger refusal at 4.2 feet.
67
120
PAGE 1 OF 1
B-5
B-5
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 5' Left of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
B:R
OU
TE
661
SC
HO
OLH
OU
SE
RD
.GP
J:8.
30.0
03:0
125
12:3
/30/
15
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
FIN
ES
CO
NT
EN
T -
#200
(%
)
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
302
300
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
STATION: 304+85NORTHING: ftSURFACE ELEVATION: 303.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
4
5
6
10
8
21
0.7
2.2
3.7
10.6
11.9
0.0 / 300.0ASPHALT ASPH
0.7 / 299.3CRUSHED AGGREGATE CRA
1.2 / 298.8Brown, LEAN CLAY, contains aggregate base, very stiff, moistCL
2.2 / 297.8SAME, very hard CL
Boring terminated at 4.2 feet
80
75
PAGE 1 OF 1
B-6
B-6
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 5' Right of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
:RO
UT
E 6
61 S
CH
OO
LHO
US
E R
D.G
PJ:
8.30
.003
:012
512
:3/3
0/1
5
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
298
296
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
STATION: 303+00NORTHING: ftSURFACE ELEVATION: 300.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
10
5
13
8
8
30
41
0.7
2.2
4.2
14.7
16.4
16.8
0.0 / 304.0ASPHALT ASPH0.3 / 303.7CRUSHED AGGREGATE CRA0.7 / 303.3Brown, LEAN CLAY, contains aggregate base, hard, moist CL
1.8 / 302.2SAME, CL
3.3 / 300.7SAME, CL
Boring terminated at 4.8 feet
87
87
113
PAGE 1 OF 1
B-7
B-7
FIELD DESCRIPTION OF STRATA
GROUND WATER
PAGE 1 OF 1OFFSET: 5' Left of CLEasting: ftCOORD. DATUM:
REMARKS: Rig Type: CME-45C.Boring backfill with auger cuttings
Copyright 2015, Commonwealth of Virginia
SP
T_L
OG
:RO
UT
E 6
61 S
CH
OO
LHO
US
E R
D.G
PJ:
8.30
.003
:012
512
:3/3
0/1
5
LAB DATA
MO
IST
UR
E C
ON
TE
NT
(%
)
PLA
ST
ICIT
Y IN
DE
X
PILL
LIQ
UID
LIM
IT
SO
IL R
EC
OV
ER
Y (
%)
CO
RE
RE
CO
VE
RY
(%
)NOT ENCOUNTERED DURING DRILLING
DIP °
R O C K
SA
MP
LE L
EG
EN
D
S O I L
PROJECT #:LOCATION:STRUCTURE:
ELE
VA
TIO
N (
ft)
302
300
DE
PT
H (
ft)
SA
MP
LE IN
TE
RV
AL
RO
CK
QU
ALI
TY
DE
SIG
NA
TIO
N
ST
AN
DA
RD
PE
NE
TR
AT
ION
TE
ST
HA
MM
ER
BLO
WS
FIELD DATA
ST
RA
TA
LE
GE
ND
JOIN
TS
ST
RA
TA
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
STATION: 305+50NORTHING: ftSURFACE ELEVATION: 304.0 ft
0661-030-737,P101,R201,C501Fauquier CountyEXISTING PAVEMENT
Date(s) Drilled: 3/9/2015 - 3/9/2015Drilling Method(s): 2-1/4" I.D. Hollow Stem AugerSPT Method: Automatic HammerOther Test(s):Driller: REIMON /DMYLogger: ASSEFA /VDOT
8
8
7
11
12
10
15
16
18
0.3
1.8
3.3
4.8
