HomeMy WebLinkAbout20140684 Ver 1_Site Plan_20140730TYPICAL SECTIONS
1V:2H 4%
1
V:
2
H 1V:1H
4%
6" Aggregate Base Grading C or D
14 ' Travel way
PGL
S lop e v a r i e s
Roadway excavation
Limits of clearing and grubbing, and turf establishment
B2
1
8
"
(
t
y
p
)
2% min
(Sta 10+60 to 11+80)
SITE 1 SLIDE SECTION
CL_SG
CL
SHLD_SG
CP_SG
SHLD_SG CP_SG
See Detail E629-01A
Rolled erosion control product, Type 5.A
15' minimum length (typ)
4'
1V:1.3H
Select granular backfill (57 stone)
1
4
'
w
a
l
l
h
e
i
g
h
t
and Detail E255-B
Facing support, see note 7
13' minimum length (typ)
Existing ground
1'
1'
Section A-A
4-Inch drain pipe
Select granular backfill (57 stone)
where drain pipes are not used.
3. Provide 6 inches of select granular backfill (57 stone) below the wall
2. Establish turf according to Section 625 on all slopes.
1. Grade roadside ditches to drain (0.5 percent minimum slope).
NOTES:
8. Construct GRS wall in accordance with Section 255.
7. Provide wire basket with support struts according to Detail E255-B.
6. Key new fill into temporary slopes during backfilling.
5. Adequately stabilize temporary slopes during excavation and backfilling.
4,000 lb/ft.
4. Provide biaxial geogrid with minimum long-term design strength (LTDS) of
of Subsection 706.08(d).
Furnish perforated outlet pipe and fittings to meet the requirements
10.
11.
12.
13.
9.
subsection 703.03(a) .
Furnish select granular backfill (57 stone) meeting the requirements of
suitable marker.
Mark the outlet of the underdrain with a delineator post or other
A
A
4" Perforated drain pipe
Geogrid reinforcement (typ)
spacing.
Place 4-inch perforated drain pipes at maximum 10 feet center to center
as approved by the CO.
605.03. Hold the screen securely in place with standard coupling bands or
Cover the end of the outlet drain pipe with screen according to subsection
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL HIGHWAY ADMINISTRATION
EASTERN FEDERAL LANDS HIGHWAY DIVISION
STERLING, VIRGINIA
REG STATE PROJECT SHEET NO.
NC8 NC ERFO FSR 2013-1(1)
NANTAHALA NATIONAL FOREST
TYPICAL SECTIONS
4%4%
6" Aggregate Base Grading C or DPGL
14 ' Travel way
1V:2H
Varies
1V:1H 1
V:
2
H
2% min
Roadway excavation
Limits of clearing and grubbing, and turf establishment
1
6
'
w
a
l
l
h
e
i
g
h
t
B3
1
8
"
(
t
y
p
)
CL
(Sta 21+50 to 23+00)
SITE 2 SLIDE SECTION
Rock dowel (typ)
See Detail E629-01A
Rolled erosion control product, Type 5.A
Sl
o
p
e
v
arie
s -
2.
4
V:
1
H
m
a
x
14' minimum length (typ)
16' minimum length (typ)
S
l
o
p
e
v
a
r
i
e
s
-
7
V
:
1
H
m
a
x
4'
Select granular backfill (57 stone)
20' (typ)
Slo
pe varies
and Detail E255-B
Facing support, see note 7
Existing ground
1'
1'
Section A-A
4-Inch drain pipe
Select granular backfill (57 stone)
of Subsection 706.08(d).
Furnish perforated outlet pipe and fittings to meet the requirements
14.
11.
12.
13.
subsection 703.03(a) .
Furnish select granular backfill (57 stone) meeting the requirements of
suitable marker.
Mark the outlet of the underdrain with a delineator post or other
6. Key new fill into temporary slopes during backfilling.
backfilling.
5. Adequately stabilize temporary slopes during excavation and
strength (LTDS) of 4,000 lb/ft.
4. Provide biaxial geogrid with minimum long-term design
the wall where drain pipes are not used.
3. Provide 6 inches of select granular backfill (57 stone) below
2. Establish turf according to Section 625 on all slopes.
1. Grade roadside ditches to drain (0.5 percent minimum slope).
NOTES:
on Sheet C2.
full height to start/end limits according to wall schedule
Use 1 row of rock dowels where wall transitions from
horizontal) in two rows starting at 6 feet below grade.
10. Space rock dowels at 7 feet center to center (vertical and
or flatter.
by the CO. Rock dowels are not needed on slopes at 1:1
9. Install rock dowels for back slope stabilization as required
8. Construct GRS wall in accordance with Section 255.
Detail E255-B.
7. Provide wire basket with support struts according to
15.
A
A
4" Perforated drain pipe
as approved by the CO.
605.03. Hold the screen securely in place with standard coupling bands or
Cover the end of the outlet drain pipe with screen according to subsection
spacing.
Place 4-inch perforated drain pipes at maximum 10 feet center to center
Geogrid reinforcement (typ)
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL HIGHWAY ADMINISTRATION
EASTERN FEDERAL LANDS HIGHWAY DIVISION
STERLING, VIRGINIA
REG STATE PROJECT SHEET NO.
NC8 NC ERFO FSR 2013-1(1)
NANTAHALA NATIONAL FOREST
TYPICAL SECTIONS
1
V:
2
H
4%
1V:2H1V:1H
4%
6" Aggregate Base Grading C or D
14 ' Travel way
PGL
Slope varies
Roadway excavation
Limits of clearing and grubbing, and turf establishment
B4
(Sta 26+75 to 27+95)
SITE 3 SLIDE SECTION
CL_SG
CL
SHLD_SG
SHLD_SG
Varies - 1
V:1
H
max
1
8
"
(
t
y
p
)
Select granular backfill (57 stone)
4'
14' minimum length (typ)
11' minimum length (typ)
1
2
'
w
a
l
l
h
e
i
g
h
t
See Detail E629-01A
Rolled erosion control product, Type 5.A
2% min
and Detail E255-B
Facing support, see note 7
Existing ground
1'
1'
Section A-A
4-Inch drain pipe
where drain pipes are not used.
3. Provide 6 inches of select granular backfill (57 stone) below the wall
2. Establish turf according to Section 625 on all slopes.
1. Grade roadside ditches to drain (0.5 percent minimum slope).
NOTES:
8. Construct GRS wall in accordance with Section 255.
7. Provide wire basket with support struts according to Detail E255-B.
6. Key new fill into temporary slopes during backfilling.
5. Adequately stabilize temporary slopes during excavation and backfilling.
4,000 lb/ft.
4. Provide biaxial geogrid with minimum long-term design strength (LTDS) of
Select granular backfill (57 stone)
Mark the outlet of the underdrain with a delineator post or other suitable marker.
of Subsection 706.08(d).
Furnish perforated outlet pipe and fittings to meet the requirements
10.
11.
12.Furnish select granular backfill (57 stone) meeting the requirements of subsection 703.03(a) .
13.
9.
A
A
4" Perforated drain pipe
Place 4-inch perforated drain pipes at maximum 10 feet center to center spacing.
Geogrid reinforcement (typ)
Hold the screen securely in place with standard coupling bands or as approved by the CO.
Cover the end of the outlet drain pipe with screen according to Subsection 605.03.
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL HIGHWAY ADMINISTRATION
EASTERN FEDERAL LANDS HIGHWAY DIVISION
STERLING, VIRGINIA
REG STATE PROJECT SHEET NO.
NC8 NC ERFO FSR 2013-1(1)
NANTAHALA NATIONAL FOREST
TBAR
4202
TBAR
30603070 3070
3080
308
0
30
8
0
3090
3090
3090
3100
3100
3100
3100
3110
3110
3110
312
0
3120
3120
3
13
0
3130
3130
3130
3
140
3140
3140
3140
4203
3
150
3150
3150
3150
3
16
0
3160
3160
3
1
6
0
3170
3170
317
0
318
0
3180
3180
3190
3190
3190
320
0
3200
32103210
3220
P
C
2
0
+
5
8
.5
0
2
1
+
0
0
P
T
2
1
+
0
0
.
2
7
P
C
2
1
+
1
9
.
8
4
P
T
2
1
+
5
8
.
6
7
2
2
+
0
0
P
C
2
2
+
0
6
.
8
4
2
3
+
0
0
P
T
2
3
+
2
9
.
8
3
2
4
+
0
0
21+00
3120
3122
3124
3126
3128
3130
3132
3134
3136
3120
3122
3124
3126
3128
3130
3132
3134
3136
22+00 23+005050
3136
3138
3140
3142
3144
3146
3136
3138
3140
3142
3144
3146
50
NANTAHALA NATIONAL FOREST
D2
Centerline
Proposed edge of road
Existing edge of road
Proposed profile
Existing ground
Existing ground
Match to existing
21+00 Route 423
Begin aggregate overlay
NC ERFO FSR 2013-1(1)8 NC
D
PI 20+79.42
Curve = SITE2&3-1
R = 300.00'
T = 20.92'
L = 41.78'
PI 21+39.50
D
Curve = SITE2&3-2
R = 100.00'
T = 19.66'
L = 38.83'
D
R = 300.00'
PI 22+69.21
Curve = SITE2&3-3
T = 62.37'
L = 122.99'
E 562,412.10
N 578,299.07
23+50 Route 423
End aggregate overlay
Proposed profile
23+50 Route 423
End aggregate overlay
31483148
3150 3150
Remove existing 24" CMP
1
4
'
t
y
p
.
N
1
4
'
t
y
p
Match to existing
Match to existing
Install 1 ton riprap class 3
Install inlet type 4B
Install 24" x 21' CMP
21+00
Install 1 ton riprap class 3
Install inlet type 4B
Install 24" x 20' CMP
24+00
Remove existing inlet.
Remove existing 24" culvert.
12
-
J
u
n
-
2
0
1
4
0
9
:10
A
M9
:10
:0
2
A
M
M
:\
P
R
O
J
E
C
T
S
\
_
F
S
\
N
C
\
2
0
1
3
-
1(
1)
\
P
r
o
j
_
D
e
v
\
C
A
D
D
\
D
2
&
3
-
n
c
e
r
f
o
_
2
0
1
3
-
1(
1)
_
p
&
p
.d
g
n
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL HIGHWAY ADMINISTRATION
EASTERN FEDERAL LANDS HIGHWAY DIVISION
STERLING, VIRGINIA
PLAN & PROFILE
TATHAM GAP ROAD SITE 2
REG STATE PROJECT SHEET
NO.
Construction limits
CL El. 3128.10
Install 24" x 21' CMP
21+00
CL El. 31248.76
Install 24" x 20' CMP
24+00
1290 cuyd excavation
SCALE IN FEET
0 20 40
E 562,429.31
N 578,052.52
21+00 Route 423
Begin aggregate overlay
Begin Site 2
N.C.
E 562,419.29
N 578,348.36
24+00 Route 423
End Site 2
+5.978%
V
P
I
2
1
+
7
5
E
L
3
,
1
3
8
.
4
1
30' VC
K = 12
SSD = 451'
V
P
I
2
2
+
5
5
E
L
3
,
1
4
1
.
2
1
+3.502%
+7.995%
117' VC
K = 26
+7.995%
2470
2470
2470
2
4
7
0
4504
TBAR
2480
2
4
8
0
2480
2
4
8
0 ALLOWEDDUMPINGNO 4503
TBAR
500NAIL
24
90
2490
2
4
9
0
2490
2500
2500
2
5
0
0
2510
2510 25
20
2520
2530
2530
2540
2540
2550
P
O
T 6
0
+
0
0.0
0
6
0
+
0
0
6
1
+
0
0
P
C 6
1
+
1
5.0
4
6
2
+
0
0
6
3
+
0
0
P
T
6
3
+
8
9
.1
2
6
4
+
0
0
60+00 61+00 62+005050 50
2472
2474
2476
2478
2480
2482
2484
2486
NANTAHALA NATIONAL FOREST
D5
Curve = SITE5-1
D
R = 300.00'
PI 62+62.48
T = 147.44'
L = 274.08'
E
L
2
,
4
8
5
.
3
3
V
P
I
6
1
+
0
0
E
L
2
,
4
7
5
.
5
6
V
P
I
6
2
+
1
0
2
,
4
8
6
.
7
9
NC ERFO FSR 2013-1(1)8 NC
N
Centerline
Existing edge of road
Proposed edge of road
Existing ground
Proposed profile
60+00 Route 423
Begin aggregate overlay
62+50 Route 423
End aggregate overlay
2472
2474
2476
2478
2480
2482
2484
2486
Construction limits
E 561,680.56
N 589,094.80
62+50 Route 423
End aggregate overlay
1
4' t
y
p
63+00
2472
2474
2476
2478
2480
2482
2468
2470
2468
2470
2472
2474
2476
2478
2480
2482
Remove existing culvert
12
-
J
u
n
-
2
0
1
4
0
9
:18
A
M9
:18
:3
9
A
M
M
:\
P
R
O
J
E
C
T
S
\
_
F
S
\
N
C
\
2
0
1
3
-
1(
1)
\
P
r
o
j
_
D
e
v
\
C
A
D
D
\
D
5
-
n
c
e
r
f
o
_
2
0
1
3
-
1(
1)
_
p
&
p
.d
g
n
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL HIGHWAY ADMINISTRATION
EASTERN FEDERAL LANDS HIGHWAY DIVISION
STERLING, VIRGINIA
PLAN & PROFILE
TATHAM GAP ROAD SITE 5
REG STATE PROJECT SHEET
NO.
Install inlet type 4B.
Install 24" x 20' CMP.
Remove existing inlet.
Remove existing culvert.
62+80.92
CL El. 2468.752
Install 24" x 20' CMP
62+80.92
66 cuyd excavation, 82 cuyd embankment
SCALE IN FEET
0 20 40
CL El. 2479.714' with 1.25' embedment
Install 26' of 7' x 4' RCB
Remove existing double 20" x 30' CMP
60+68
E 561767.49
N 588,863.28
60+00 Route 423
Begin aggregate overlay
Begin Site 5
N.C.
Construct headwalls, skew 5°
Install 26' of 7' span x 4' rise RCB
Remove existing double barrel CMPs
60+68
E 561,675.25
N 589,127.26
62+82 Route 423
End Site 5
-1
.456%
-8.88
7
%
75' VC
K = 10
SSD = 183'-8.88
7
%
-
4.
332
%
80' VC
K = 18
2
,
4
7
3
.
8
2
-
4.
332
%
2
,
4
7
3
.
8
2