GDOT SPECIAL DETAIL A3 CONCRETE SIDEWALK DETA.PDF

STATE PROJECT NUMBER

GA.

NO.

SHEET

SHEETS

TOTAL

V A

R

IE

S

20’20’20’20’20’20’ MAXIMUM

60’ MAXIMUM

�" EXP. JT.

JOINT

CONTRACTION

TRAVERSE

�" RADIUS JOINT

�" EXP.

JOINT

CONTRACTION

JOINT

CONTRACTION

CONCRETE SIDEWALK DETAILS

PLAN VIEW

VARIABLE VAR.

TYPICAL LOCATIONS FOR CURB CUT RAMPS - PLAN VIEW

LINES

CROSSWALK

PAVEMENT EDGEMIN.

4’

MIN.

4’

4’ MIN.

DEPARTMENT OF TRANSPORTATION

STATE OF GEORGIA

R E

V

IS

IO

N D

A T

E

LINES

CROSSWALK

5’ MIN. 2’-0" MIN.

NO SCALE

M

IN

SIDEWALKSIDEWALK

SIDEWALK

AT STRUCTURES

�" EXP. JT. TYP.

S I

D E

W A L

K

M A

X

M A

X

L A

N D I

N G

R A

M P

F L

A R E

D

S I

D E S

90°

CL

m a x

N o r m a l

G u t t e r

S l o p e

N o r m a l

G u t t e r

S l o p e

SECTION E-E CURB TRANSITION

SAME WIDTH AS

SIDEWALK

CURB

GUTTER

M A

X

E E

PLAN VIEW

F F

JOINT

CONSTR.

SECTION F-F

V A

R

SAME WIDTH

AS SIDEWALK

4" MIN.

VAR. 6"VAR. 6"

4" CONC.

S L

O P

E :1

JOINT

�" EXP.

TO 12"

48" MIN.

TO 12"

SIDEWALK

Type A Type B Type D

Type C

6’ m in

5’ m in

6’ m in

Va ri es

Va ri es

Va ri es

La nd in g

Ar ea

Ra mp

Ra mp

1:12 M ax S lop e

1:12 M ax S lop e

No rm al G ut te r

Sl op e

No rm al G ut te r

Sl op e

La nd in g

Ar eaLanding Area

La nd in g

Ar ea

5’ m in

Ra mp

5’ m in

:1 M ax S lop e

:1 M ax S lop eRa mp

5’ m in

5’ Min 2’ Min

" M in im um

60" Desirable

CONCRETE SIDEWALK

RADII CURBS.

CROSSWALK LINE - OR FOR TIGHT

TO OBTAIN 4’ MIN. OFFSET FROM

BE INCREASED, AS NECESSARY,

MINIMUM WIDTH OF 5’ MAY

INTO THE REQUIRED LEVEL LANDING AREA

BY THE ENGINEER SO AS NOT TO ENCROACH

AS SHOWN IN THE PLANS OR AS DIRECTED

BACK OF SIDEWALK MUST BE LOCATED

WITH GRASS STRIP

ALTERNATE SECTION

WITHOUT GRASS STRIP

ALTERNATE SECTION

Skewed Ramp Details o f

R a m p

B o tto m

(Applies to Type A & Type D Ramps Only)

TO THE RAMP CENTERLINE.

BOTTOM OF RAMP SHALL BE PERPENDICULAR

the required landing area.

so as not to encroach into or as directed by the Engineer located as shown in the plans

Back of sidewalk shall be

RESUMED AT A SIMILAR DISTANCE BEYOND THE RAMP.

A FLAT GUTTER SLOPE. NORMAL GUTTER SLOPE SHALL BE

FEET FROM THE RAMP AND BEGIN TRANSITION TO

END NORMAL GUTTER SLOPE AT A DISTANCE OF 6 TO 10

IN AREAS WHERE THE GUTTER HAS A SLOPE 1" IN 1’

TH

ER

E

WI

LL

B E

NO

S

EP

AR

AT

E

PA

YM

EN

T

CU

RB

M

AY

B

E

IN

TE

GR

AL

O R

HE

AD

ER

T

YP

E

TH

ER

E

WI

LL

B E

NO

S

EP

AR

AT

E

PA

YM

EN

T

CU

RB

M

AY

B

E

IN

TE

GR

AL

O

R

HE

AD

ER

T

YP

E

MARCH 12, 2002R

E

V

IS

E D

CURB CUT (WHEELCHAIR) RAMPS

CONCRETE SIDEWALK DETAILS

SPECIAL DETAIL

square yards shall be interpreted to mean linear meters and square meters.

4"=100mm, and 12" or 1’ =300mm. All measurement notes that refer to linear feet and metric units using the following " Rounded-Off" conversion factors: 1" =25mm, The dimensions shown that are in feet and inches may be converted to corresponding constructed in metric units, exact or precise conversion to metric units is not required.

When these details are incorporated into plans and or projects that are being prepared or

Guidelines For Usage On Metric Projects

R E

V

IS

E D

R E

V

IS

E D

SLOPE

NORMAL GUTTER

(8.33% max)

WCR GRADE

RAMP

GUTTER AT

REQUIRED

OR LESS

SLOPE 2%

R E

V

IS

E D

R E

V

IS

E D

2% Or Less

Transition Gutter to

2% or Less

Transition Gutter to

2% or Less

Transition Gutter to

2% or Less

Transition Gutter to

2% or Less

Transition Gutter to

2% or Less

Transition Gutter to

GUTTER TRANSITION DETAIL

VAR.

5’ MIN. 6’-0" DES.

WITH 6’ GRASS STRIP

PREFERRED SECTION

R E

V

IS

E D

WITH THIS INSTALLATION

16’ SHOULDER RECOMMENDED

VARIABLE

7’ DES.

R E

V

IS

E D

5’ MIN.

(MAILBOXS, SIGNS,ETC)

5’ MIN WIDTH WITH NO OBSTRUCTIONS

FOR SIDEWALK)

SHALL BE INCLUDED IN THE PRICE BID

REQUIRED FOR MAILBOX AND SIGN POST

(COST OF TEXTURE, COLORING & HOLES

ADJACENT TO THE CURB.

OF CONTRASTING COLOR & TEXTURE

7’ PREFERRED WIDTH WITH A 2’ AREA

(The Prefered Ramp) at the top of a Type A Ramp) is not available for a landing

(Normally used when space ties directly into the crosswalk)

(Normally used when the sidewalk

Max

R E

V

IS

E D

48" Minimum

R E

V

IS

E D

G L

O

R E

V

IS

E D

1-

MAX.SLOPE:

:1

R E

V

T R

U N

C A

T E

D

O

M E S

SLOPE 2% MAX

(MAY BE FLAT)

2% MAX

SLOPE:

SLOPE 2% MAX

(MAY BE FLAT)

2% MAX

SLOPE

(MAY BE FLAT)

2% MAX

SLOPE

G L

O R

E V

S L

O P

S

T

P

R C

E N

T

2% M ax 2% Max

S I

D E

W A L

K

S I

D E

W A L

K

M A

X

PROVIDED AT THE BOTTOM OF THE RAMP.

A LEVEL LANDING AREA WITH SLOPES LESS THAN 2% MUST BE

WHEN THE RAMP CENTERLINE IS NOT PERPENDICULAR TO THE CURB

TOWARDS GUTTER AT 2% MAX

SLOPE LOWER LANDING AREA

M A

X

2%

SIDEWALK

M

IN

M

IN

" CORNER TYPE CURB RAMP

S L O P E : 2

SLOPE 2% MAX.

%M

A X

%M

A X

S L

O P E

M A

X

5’ MIN.

LANDING AREA VARIES

NUMBER

A3

This Detail Replaces Ga Standard 9031W

M A

X

MAX.

2%

M A

X

S I

D E

W A L

K

S I

D E

W A L

K

SID

EWALK

MAX.

2% SLOPE

MAX.

2% SLOPE

2% M ax

2% M ax

Ramp

Top of

5’ DES.

5’ Min

A 1:12 SLOPE

LENGHT REQUIRED FOR

6 feet

5 feet

4 feet

3 feet

2 feet

1 foot

HEIGHT

IN

DIFFERENCE

REQUIRED

LENGTH

A 1:10 SLOPE

LENGHT REQUIRED FOR

HEIGHT

IN

DIFFERENCE

REQUIRED

LENGTH

5 feet

4’-2"

3’-4"

2’-6"

1’-8"

10 inches

3’ M

IN.

LANDING AREA VARIES

6 inches

5 inches

4 inches

3 inches

2 inches

1 inch

6 inches

5 inches

4 inches

3 inches

2 inches

1 inch the back of the curb.

5 ft wide sidewalk with no offset to

3 ft. wide landing to be used only with a

M

IN.

4’

PREVENT THE USE OF A RAMP 15 FEET LONG.

EXCEED 12:1 IF THE SITE CONDITIONS

EXCEED 15 FEET. THE RAMP SLOPE MAY

NOTE: THE RAMP LENGTH IS NOT REQUIRED TO

INTERVALS.

STRUCTURE OR TERMINATE AT CURB, RAMPS OR DRIVEWAYS AND AT 60’

C. �" EXPANSION JOINTS SHALL BE PLACED, WHERE SIDEWALK TIE INTO A

INTERVALS. ALL EDGES TO BE ROUNDED TO �" RADIUS.

B. TRANSVERSE CONTRACTION JOINTS SHALL BE PLACED AT 20 FT.

FLOATS AND STIFF-BRISTLE BROOMS.

A. CONCRETE TO BE PLACED 4" THICK AND FINISHED WITH TAMPS, WOOD

NOTES FOR CONCRETE SIDEWALK:

AADT OF 25 VPD.

STREETS, SIGNALIZED COMMERCIAL DRIVEWAYS, AND COMMERCIAL DRIVEWAYS WITH AN

8. DETECTABLE WARNING SURFACES ARE REQUIRED ON ALL INTERSECTIONS WITH PUBLIC

SEPARATE PAYMENT WILL BE MADE FOR REMOVAL OF THE PAVEMENT.

TO PROVIDE A MINIMUM THICKNESS OF 3 INCHES OF CONCRETE AT ALL LOCATIONS. NO

7. WHEN A CURB RAMP IS PLACED ON EXISTING PAVEMENT. THE PAVEMENT SHALL BE REMOVED

OR CURB WHERE NECESSARY FOR RAMP CONSTRUCTION.

NO ADDITIONAL PAYMENT WILL BE MADE FOR SAWING AND REMOVING EXISTING SIDEWALK

WILL INCLUDE RAMPS. NO ADDITIONAL PAYMENT WILL BE MADE FOR CURB RAMPS.

OF RAMPS. SQ. YDS. OF CONCRETE SIDEWALK AND CONCRETE MEDIAN PAVING

6. LIN. FT. OF CURB AND GUTTER WILL INCLUDE THE TRANSITIONED CURB IN FRONT

IS STEEPER THAN 12:1.

A MINIMUM OF 48 INCHES, AND NO SLOPE ON THE ACCESSIBLE PART OF THE RAMP

MODIFIED BY THE DESIGNER OR ENGINEER, PROVIDED THAT THE WIDTH REMAINS

SKEWED INTERSECTIONS, OR IN OTHER SPECIAL CASES, THE RAMP DESIGNS MAY BE

5. WHERE UTILITY STRUCTURES CONFLICT, WHERE SIDEWALK GEOMETRY VARIES, AT

TAPERS ARE MEASURED PERPENDICULAR TO THE RAMP AND NOT ALONG THE CURVE.

4. WHERE RAMPS ARE LOCATED IN RADII, THE DIMENSIONS SHOWN FOR RAMP WIDTHS AND

SHOULD BE LOCATED AT LEAST 10 FT. FROM RAMPS WHEN FEASIBLE.

3. DROP INLETS ARE NOT TO BE LOCATED DIRECTLY IN FRONT OF RAMPS. CATCH BASINS

TEXTURED FINISH.

THE SAME AS FOR CONCRETE SIDEWALK. RAMPS SHALL HAVE EITHER A ROUGH OR A

2. RAMPS WILL BE CONSTRUCTED FROM CONCRETE. SPECIFICATIONS FOR RAMPS WILL BE

DISABLED.

WHERE THE CURB WOULD OTHERWISE BE AN OBSTRUCTION TO THE PHYSICALLY

c) AT OTHER LOCATIONS SUCH AS HOSPITALS, NURSING HOMES, REST AREAS, ETC..

TURNOUTS OR AT INTERSECTIONS.

b) WHERE THE SIDEWALK, CONCRETE OR UNPAVED, IS INTERRUPTED BY THE CURB AT

a) AT ALL PEDESTRIAN CROSSWALKS WHERE CURB IS CONSTRUCTED OR REPLACED.

SPECIFY OTHERWISE.

1. CURB CUT RAMPS WILL BE LOCATED AS FOLLOWS UNLESS PLANS OR CONTRACT

NOTES FOR CURB CUT RAMPS:

S

X

12:1

A D

D

G

N

N O

T

N

A N

D E

D

:1

:1 C

H A

R T

S

XS

L

O P E

S

X S L

O P E

WILL BE MADE.

ADDITIONAL PAYMEN

CONCRETE. NO

TO PLACE ADDITIONAL

CONTRACTOR MAY ELECT

STP00-2868-00(001) 113 258