0

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