11_NCDOT Rip-Rap Drawings

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I A
CHANNEL WITH CLASS I RIP RAP*
„W„
B C
0
18" MIN. CLASS I BED LEVEL G
24" MIN. CLASS II
B X GEOTEXTILE
CHANNEL WITH CLASS I OR CLASS II RIP RAP
LENGTH OF DITCH
18" MIN. CLASS I GEOTEXTILE 4'-0" CLASS II
24" MIN. CLASS II 2'-0" CLASS I
LONGITUDINAL SECTION A -A, B-B OR C-C
GENERAL NOTES:
1. USE RIP -RAP IN CHANNEL BED WHERE
SHOWN ON PLANS.
2. IF BEDROCK IS ENCOUNTERED WITHIN THE LIMITS
OF THE TOEWALL, BEGIN TOEWALL ON THE BEDROCK
OR AS DIRECTED BY THE ENGINEER.
3. WHERE ONLY ONE SIDE REQUIRES RIP -RAP I OR
'II' LIST STATION AND SIDE OF SAME.
CLASS I
0'-5'
BED
LEVEL
6'-10'
12"
11'-20'
18"
*FOR "V" DITCH "W" IS 0'
CLASS II
ALL
36"
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HEET 1 OF 1
876.01

4 X D
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PLAN
1
OUTLET
W/DITCH
OUTLET W/O DITCH
D
CLASS 'B' RIP RAP
CLASS I RIP RAP
CLASS 'B' RIP RAP
CLASS I RIP RAP
TONS
OEo-
T E XT I L E
S.Y.
TONS
GEo-
T E XT I L E
TONS
GEo-
T E X T I L E
S.Y.
TONS
12"
2
5
5
2
5
1
4
2
1
15"
2
7
7
3
7
1
5
3
2
T12
18"
3
10
9
4
10
2
7
4
2
24"
5
14
15
7
15
3
11
7
4
30"
8
21
21
11
22
5
16
11
7
17
36"
11
28
29
15
30
7
22
16
10
23
42"
15
37
39
20
39
10
28
22
13
30
48"
-
-
49
26
50
-
-
28
17
38
54"
-
60
33
62
36
21
47
60"
-
73
40
75
44
26
56
66"
-
87
48
89
54
32
67
72"
-
102
57
104
64
38
78
NOTE:
FOR CALCULATION PURPOSES
CLASS 'B' RIP RAP = 100 LB
CLASS I RIP RAP = 105 LB
D SLOPE 1/2.1 OR FLATTER
D
H
GEOTEXTILE
SECTION A -A
PIPE OUTLET WITH DITCH
H= RIP RAP TO TOP OF PIPE (MAX. H = D + T)
T= 15" CLASS I RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS
T= 12" CLASS 'B' RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS
4 X D 0-1
SECTION B-B
PIPE OUTLET WITHOUT DITCH

GENERAL NOTES:
-USE CLASS 'A' RIP RAP.
-CONSTRUCT WIDTH AND SHAPE OF THE DITCHES AS
SHOWN OR DIRECTED BY THE ENGINEER.
-USE GEOTEXTILE UNDER CLASS 'A' RIP RAP IF
SPECIFIED ON PLANS.
*AS SPECIFIED ON PLANS.
12' VERTICAL CURVE
ris
12' V.C. ROADWAY DITCH
SLOPE DRAIN, BASE DITCH OR
BERM DRAINAGE OUTLET DITCH
MEDIAN OR BERM DITCH
6'-0"
DT8„
0
SHOULDER
POINT NOTE: "D" VARIES WITH LENGTH
AND RATE OF SIDE SLOPES.
H
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I L
a
a
Cc
SIDE DITCH
HEET 1 OF 1
876.03

GENERAL NOTES:
-USE CLASS 'B' RIP RAP.
-CONSTRUCT WIDTH AND SHAPE OF THE DITCHES AS
SHOWN OR DIRECTED BY THE ENGINEER.
-USE GEOTEXTILE UNDER CLASS 'B' RIP RAP IF
SPECIFIED ON PLANS.
*AS SPECIFIED ON PLANS.
*
SIDE DRAINS, BASE DITCH OR
OTHER OUTLET DITCHES
* * BERM DITCH
1'-0" 1
MIN.
MAX 1 .5
VEE DITCH
ILE