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R-21
PAVEMENT SAFETY EDGE
PSE-2
6.
CONCRETE PAVEMENT.
SAFETY EDGE SHALL BE CONSTRUCTED IN UNION WITH THE ASPHALT
CONSTRUCTION AND TO OVERLAYS OF AT LEAST 2".
THE SAFETY EDGE, AS SHOWN, CAN BE APPLIED TO NEW
2.
3.
4.
5.
ACCORDANCE WITH THE 2019 ODOT STANDARD SPECIFICATIONS.
ALL CONSTRUCTION AND MATERIAL REQUIREMENTS SHALL BE IN1.
GENERAL NOTES
SAFETY EDGE DETAILS (A-C)
30°±5° (ANGLE IS MEASURED FROM SLOPED EDGE OF SHOULDER)
DETAIL A (T¡5")
EDGE OF SHOULDER
VA
RIE
S
T
X
SUBGRADE
SAFETY S
LOPE
SHOULDER SLOPE
1:1
X
SUBGRADE
SAFETY S
LOPE
SHOULDER SLOPE
EDGE OF SHOULDER
T ( Y )
DETAIL C (OVERLAY)
PAVEMENT
EXISTING
( Y )
2"
MIN.
BACKFILL
EXISTING
EDGE OF SHOULDER
SHOULDER SLOPE
SLOPE
SAFETY
DRIVING LANE
2% OR 4%
T
FOR INSTALLATION FEATURES
SEE SAFETY EDGE DETAILS (A-C)
2% OR 4%
1:1
GRADING WIDTH
BACKFILL WIDTH SHOULDER (4'-0" OR LESS)
1:6 OR 1:4
TYPICAL SECTION VIEW OF AN ASPHALT PAVEMENT SAFETY EDGE
SEE TYPICAL SECTION FOR DIMENSIONS AND SLOPES.
NOTE: SAFETY EDGE SHALL BE INSTALLED ON SHOULDERS OF WIDTH 4'-0" OR LESS.
OF VEGETATION.
AT EDGE OF PAVED SHOULDER TO PROVIDE A LEVEL SURFACE FREE
PRIOR TO PAVING SAFETY EDGE, GRADE AN AREA 10" WIDE BEGINNING
GUTTER AREAS.
INSTALLATION OF SAFETY EDGE IS NOT REQUIRED IN CURB AND
5"
DETAIL B (T ´ 5")
STANDARD REVISIONS
SAFETY EDGE WIDTH
X - ASPHALT PAVEMENT
2% -2%Y
0.50
IN
1.00
0.75
1.50
2.00
2.50
3.00
3.50
4.00
5.00
4.50
IN ININ
X (2% SLOPE)
0.86
1.71
2.57
3.42
4.28
5.14
5.99
6.85
7.70
1.28
8.56
0.88
1.31
1.75
2.63
3.50
4.38
5.26
6.13
7.01
7.88
8.76
0.89
1.33
1.77
2.66
3.54
4.43
5.31
6.20
7.08
7.97
8.85
(-4% SLOPE)
X
A
B
SAFETY S
LOPE
Y
X
30° FOR ANGLE A.
CALCULATE X USING
X =SIN(A)
Y x SIN(B)
VARIES BETWEEN 2" AND 5" WITH A MAXIMUM 5" HEIGHT
IS TO THE SATISFACTION OF THE ENGINEER.
OF WORK TO DEMONSTRATE THAT THE EDGE SHAPE AND COMPACTION
THAT A TEST SECTION BE CONSTRUCTED PRIOR TO THE BEGINNING
PREVIOUS PROJECTS WITH ACCEPTABLE RESULTS OR MAY REQUIRE
ENGINEER MAY REQUIRE PROOF THAT THE SYSTEM HAS BEEN USED ON
ALL SAFETY EDGES MUST MEET THE APPROVAL OF THE ENGINEER. THE
DATEDESCRIPTION
OKLAHOMA DEPARTMENT OF TRANSPORTATION
2019 SPECIFICATIONS
ROADWAY ENGINEER:
APPROVED BY
DATE:
XXXXXXXXXX XX/XX/XX
STANDARD REVISIONS
ROADWAY DESIGN DIVISION STANDARD
1
5/27/20
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