30 - wyoming department of transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk...

8
GENERAL SIDEWALK REQUIREMENTS 1/4'' [6] SILICONE JOINT SEALANT TYPICAL EXPANSION JOINT DETAIL (e.g. MASKING TAPE) BOND BREAKER RANGE CANE DETECTABLE TREE BRANCHES & STREET FURNITURE [685] 27'' 4' [1220] MINIMUM RANGE CANE DETECTABLE BUILDING FRONTS STORE GENERAL 4'' [100] MAX. [685] 27'' PROJECTION WALL 4' [1220] MINIMUM WBW RCS WBW 608-1A GENERAL REQUIREMENTS ADA ACCESSIBILITY CONCRETE SIDEWALK AND 608-1B 1 8 ENGINEERING SERVICES RANGE CANE DETECTABLE P SPEED LIMIT 30 SIGNS & POST MOUNTED OBJECTS POST PROJECTION [685] 27'' 4' [1220] MINIMUM 4'' [100] OR LESS Cross-Slope (perpendicular to the travel direction): Curb Ramps: Detectable Warnings: Pedestrian Signal Actuators: Provide in accordance with MUTCD. Sidewalk Closures (for construction): Expansion Joints: Provide expansion joints (shown below) as required in the contract. conformance with ADA and MUTCD requirements. Provide sidewalk closures in Provide color contrast detectable warnings in color contrast requirements. The rust like patina on cast iron detectable warnings is considered to meet perpendicular ramps and the entire street grade landing for parallel ramps. accordance with the contract for all ramps for the entire ramp width for Provide curb ramps and landings at all pedestrian street combination ramps where available right-of-way exists. crossings and for each direction of travel. Provide perpendicular ramps or WIDTH, HEIGHT, AND PROTRUDING OBJECTS MINIMUM PEDESTRIAN ACCESS ROUTE PATH PEDESTRIAN CIRCULATION PATH PEDESTRIAN CIRCULATION PATH PEDESTRIAN CIRCULATION ACCESS ROUTE MIN. PEDESTRIAN ACCESS ROUTE MIN. PEDESTRIAN ACCESS ROUTE MIN. PEDESTRIAN MINIMUM 6' - 8'' [2030] ADA DESIRABLE 7' [2135] OR GREATER MINIMUM 6' - 8'' [2030] ADA DESIRABLE 8' [2440] OR GREATER SEALANT) SURFACE TO ALLOW ROOM FOR SILICONE (FULL DEPTH - START ABOUT 1/2'' [13] BELOW 1/2'' [13] PREFORMED EXPANSION JOINT FILLER MINIMUM 6' - 8'' [2030] ADA DESIRABLE 8' [2440] OR GREATER Sidewalk Grade: If the sidewalk is contained within the roadway/highway the entire circulation path for which a pedestrian can walk. The requirements above for clear height and protruding objects apply to VARIES THE EDGE OF THE POST. NOT PROJECT MORE THAN 4'' [100] FROM BELOW 7 FT. [2135] AS LONG AS THEY DO SECONDARY SIGNS MAY BE MOUNTED PREFERRED 5' [1525] OR GREATER PREFERRED 5' [1525] OR GREATER PREFERRED 5' [1525] OR GREATER projection of an object located within the cane detection range. permitted to protrude horizontally more than 4 in. [100] from the vertical (8 ft. [2440] preferred). An object above the cane detection line is not below 6'-8'' [2030] clear height (5 ft. [1525] or greater preferred) or the of the pedestrian access route below 4 ft. [1220] clear width reduces the side or overhanging any portion of a pedestrian circulation path which Do not permit objects (street furniture, signs, trees, branches, etc.) along Corrective Work: with ADA Standards. as approved by the Engineer to bring the work into compliance infeasibility condition). If exceeded, provide corrective work requirements (unless specified in the contract for a given site Do not exceed ADA minimum or maximum Minimum Sidewalk & Ramp Widths: minimum of 5 ft. [1525] x 5 ft. [1525] (ADA minimum). the clear width of the sidewalk is less than 5 ft. [1525]. Passing zones are Provide sidewalk passing zones every 200 ft. [61m] (ADA maximum) when infrastructure. ADA Minimum = 4 ft. [1220] (with passing zones). 5 ft. [1525] for new construction and where feasible in existing curb ramp grades have their own requirements. For other areas, do not exceed 4.5%. ADA maximum = 5.0%. Exception: right of way, do not exceed the maximum grade for the adjacent roadway. ADA maximum cross-slope = 2.0%. Slope sidewalks at 1.5% towards street unless otherwise shown. JULY 2018 STANDARD PLAN NUMBER Date Issued: SHEET of TRANSPORTATION OF WYOMING DEPARTMENT D E P A R T M E N T O F W YO M I NG TRANSPORTATION Issued by: STANDARD PLAN Checked by: Drawn by: Designed by: Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown. Previous Dwg. No.

Upload: others

Post on 06-Oct-2020

5 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

GENERAL SIDEWALK REQUIREMENTS

1/4'' [6] SILICONE JOINT SEALANT

TYPICAL EXPANSION JOINT DETAIL

(e.g. MASKING TAPE)

BOND BREAKER

RANGE

CANE DETECTABLE

TREE BRANCHES & STREET FURNITURE

[685]

27''

4' [1220] MINIMUM

RANGE

CANE DETECTABLE

BUILDING FRONTS

STORE

GENERAL

4'' [100] MAX.

[685]

27''

PROJECTION

WALL

4' [1220] MINIMUM

WBW

RCS

WBW

608-1A

GENERAL REQUIREMENTSADA ACCESSIBILITY

CONCRETE SIDEWALK AND 608-1B1 8

ENGINEERING SERVICES

RANGE

CANE DETECTABLE

P

SPEED

LIMIT

30

SIGNS & POST MOUNTED OBJECTS

POST PROJECTION

[685]

27''

4' [1220] MINIMUM

4'' [100] OR LESS

Cross-Slope (perpendicular to the travel direction):

Curb Ramps:

Detectable Warnings:

Pedestrian Signal Actuators:Provide in accordance with MUTCD.

Sidewalk Closures (for construction):

Expansion Joints:Provide expansion joints (shown below) as required in the contract.

conformance with ADA and MUTCD requirements.

Provide sidewalk closures in

Provide color contrast detectable warnings in

color contrast requirements.

The rust like patina on cast iron detectable warnings is considered to meet

perpendicular ramps and the entire street grade landing for parallel ramps.

accordance with the contract for all ramps for the entire ramp width for

Provide curb ramps and landings at all pedestrian street

combination ramps where available right-of-way exists.

crossings and for each direction of travel. Provide perpendicular ramps or

WIDTH, HEIGHT, AND PROTRUDING OBJECTS

MINIMUM PEDESTRIAN ACCESS ROUTE

PATH

PEDESTRIAN CIRCULATION

PATH

PEDESTRIAN CIRCULATION

PATH

PEDESTRIAN CIRCULATION

ACCESS ROUTE

MIN. PEDESTRIAN

ACCESS ROUTE

MIN. PEDESTRIANACCESS ROUTE

MIN. PEDESTRIAN

MINIMUM

6' - 8'' [2030] ADA

DESIRABLE

7' [2135] OR GREATER

MINIMUM

6' - 8'' [2030] ADA

DESIRABLE

8' [2440] OR GREATER

SEALANT)

SURFACE TO ALLOW ROOM FOR SILICONE

(FULL DEPTH - START ABOUT 1/2'' [13] BELOW

1/2'' [13] PREFORMED EXPANSION JOINT FILLER

MINIMUM

6' - 8'' [2030] ADA

DESIRABLE

8' [2440] OR GREATER

Sidewalk Grade:If the sidewalk is contained within the roadway/highway

the entire circulation path for which a pedestrian can walk.

The requirements above for clear height and protruding objects apply to

VARIES

THE EDGE OF THE POST.

NOT PROJECT MORE THAN 4'' [100] FROM

BELOW 7 FT. [2135] AS LONG AS THEY DO

SECONDARY SIGNS MAY BE MOUNTED

PREFERRED

5' [1525] OR GREATER

PREFERRED

5' [1525] OR GREATER

PREFERRED

5' [1525] OR GREATER

projection of an object located within the cane detection range.

permitted to protrude horizontally more than 4 in. [100] from the vertical

(8 ft. [2440] preferred). An object above the cane detection line is not

below 6'-8'' [2030] clear height(5 ft. [1525] or greater preferred) or the

of the pedestrian access route below 4 ft. [1220] clear widthreduces the

side or overhanging any portion of a pedestrian circulation path which

Do not permit objects (street furniture, signs, trees, branches, etc.) along

Corrective Work:

with ADA Standards.

as approved by the Engineer to bring the work into compliance

infeasibility condition). If exceeded, provide corrective work

requirements (unless specified in the contract for a given site

Do not exceed ADA minimum or maximum

Minimum Sidewalk & Ramp Widths:

minimum of 5 ft. [1525] x 5 ft. [1525] (ADA minimum).

the clear width of the sidewalk is less than 5 ft. [1525]. Passing zones are

Provide sidewalk passing zones every 200 ft. [61m] (ADA maximum) when

infrastructure. ADA Minimum = 4 ft. [1220] (with passing zones).

5 ft. [1525] for new construction and where feasible in existing

curb ramp grades have their own requirements.

For other areas, do not exceed 4.5%. ADA maximum = 5.0%. Exception:

right of way, do not exceed the maximum grade for the adjacent roadway.

ADA maximum cross-slope = 2.0%.

Slope sidewalks at 1.5% towards street unless otherwise shown.

JULY 2018

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 2: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

WBW

WBW

ENGINEERING SERVICES

ADA ACCESSIBILITY

CONCRETE SIDEWALK AND 608-1BRCS

608-1A 82

2'-0'' [610]

BACK OF CURB

2'-0'' [610]

DETECTABLE WARNINGS

BACK OF CURB

LANDING

RAMP OR

DETECTABLE WARNING

DETECTABLE WARNING

2'' [50] MAX. FROM B.O.C.

LANDING RAMP LENGTH

L

ELEVATION

B.O.C.

RAMP SLOPE 7.5%

CROSS-SLOPE = 1.5%

ADJACENT SIDEWALK

SLOPE = 0.0% (FLAT)

MISCELLANEOUS DETAILS

SIDEWALK CROSS-SLOPE

CAUSED BY ADJACENT

ELEVATION INCREASE

CALCULATING RAMP LENGTH WHEN CHASING ADJACENT SIDEWALK CROSS-SLOPE

ADJACENT SIDEWALK

CROSS SLOPE OF

LRAMP SLOPE

2'' [50] MAX. FROM B.O.C. (BACK OF CURB)

SEE VARIOUS RAMP CONFIGURATIONS FOR MORE PLACEMENT GUIDANCEMAXIMUM COUNTER SLOPE

0% TO 2%

SLOPE EXCEEDS 11%.

SLOPE AND THE COUNTER

WHEN THE SUM OF THE RAMP

RECOMMENDED TREATMENT

RAMP SLOPE

SLOPE

COUNTER

requirements for handrails.

provided and shall extend 1 ft. [305] beyond the end of a ramp or stairs. See the ADA standards for other

Handrails may be free standing or attached to a wall or other barrier. Handrails shall be continuous for the distance

Where handrails are required by ADA or provided even if not required, they shall meet these requirements. Note:

provide delineation and some deterrent for going off the drop-off.

Free standing handrails do not meet the requirements for a pedestrian barrier, but may be used for low risk drop-offs to

HANDRAIL REQUIREMENTS

FREESTANDING HANDRAIL HANDRAIL ATTACHED TO WALL OR BARRIER

< 4'' [100]

4'' [100] MIN.

1'-0'' [305]

SEE ADA STANDARDS

OTHER SHAPES:

2'' [51] MAX.

DIA.= 1 1/4'' [32] MIN.

ROUND HANDRAILS:

GRIPPING SURFACES

1 1/2'' [38] MIN.

1 1/2'' [38] MIN.

1'-0'' [305] BEHIND RAILING

EXTENDS AT LEAST

WALKING SURFACE

DELETED IF THE

LOWER BAR MAY BE

PEDESTRIAN BARRIER

[915]

36''

[685]

27''

SECTION

TO PASS IN THIS

6'' [150] SPHERE

NOT ALLOW A

OPENINGS WILL

THIS SECTION

TO PASS IN

8'' [205] SPHERE

NOT ALLOW AN

OPENINGS WILL

FOR BICYCLE BARRIERS ON SHARED USE PATHS:

TO PREVENT SNAGGING OF HANDLEBARS

TRAFFIC SIDE FROM 36'' [915] TO 44'' [1120]

FLAT SURFACE WITHOUT OPENINGS ON

RECOMMEND PROVIDING SMOOTH,

MINIMUM HEIGHT: 48'' [1220]

34'' [865] TO 38'' [965])

(ADA PERMITS

OTHERWISE SPECIFIED

36'' [915] UNLESS

BARRIER

PEDESTRIAN

FOR

MIN.

[1065]

42''

(AND BICYCLE BARRIERS)

8.3% ADA MAX.5% ADA MAX.

8.3% ADA MAX.5% ADA MAX.

JULY 2018

2 ft. [610] (typically the gutter pan).

slope to 2% or flat for a minimum of

and it is feasible, reduce the counter

and the counter slope exceed 11%,

the algebraic sum of the ramp slope

space shall not exceed 5%. Where

of a curb ramp or landing/turning

The counter slope at the end Note:

planting (presumably with no cross-slope), the ramp length would be 6'-8'' [2030]

Note: If the sidewalk is detached so that the area adjacent to the ramp is a

L=0.5 ft./(0.075-0.015)=8.3 ft. [2540]

Example: Hc = 6 in. (0.5 ft.), Rs=7.5% (0.075), Cs = 1.5% (0.015)

Cs=Cross-slope of adjacent sidewalk

L=Hc/(Rs-Cs) where: Hc=Curb Height, Rs=Ramp Slope,

formula can be used to calculate the perpendicular ramp length:

and any other slopes such as adjacent sidewalk cross-slope that must also be intercepted. The following

Ramp length for perpendicular ramps is dependent on the ramp slope, height of the curb Ramp Length:

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 3: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

WBW

WBW

ENGINEERING SERVICES

ADA ACCESSIBILITY

CONCRETE SIDEWALK AND 608-1BRCS

608-1A

CURB & GUTTER CURB & GUTTER

THIS TYPE OF TREATMENT)

(WHERE R/W PERMITS

PARKING

DETACHED SIDEWALK

BULB OUT

TYPICAL CURB RAMP TYPE • TREATMENTS

SIDEWALK WIDTH

SIDEWALK WIDTH

SIDEWALK WIDTH

CURB & GUTTER

DETACHED SIDEWALK - BACK TO BACK RAMPS

SIDEWALK WIDTH

RETURNSVERTICAL CURB

NARROW SIDEWALK BYPASS

AREA

OTHER NON-PEDESTRIAN

GRASS, PLANTING OR

AREA

OTHER NON-PEDESTRIAN

GRASS, PLANTING OR

CURB & GUTTER

SIDEWALK WIDTH

DIAGONAL RAMP

RESTRICTED USE ONLY !

4' [1220]

8

1

2

3

4

5

may be steeper. Place ramps with flared returns perpendicular to the curb line.

non-pedestrian area (for example, a signal pole blocks passage), the flares

measured along the curb line. If the flare between ramps is located in a

Provide flared returns with a relative slope of 10% Flared Ramp Returns:

6

as the flow line are constructed perpendicular to the ramps.

the intended direction of travel across the street. Ensure slope breaks such

tripping hazard. When using vertical returns, ensure the ramps align with

pedestrians don't have to traverse vertical flares which could become a

is detached from the curb or obstructions are adjacent to the ramp so

Vertical returns may be used only if the sidewalk Vertical Ramp Returns:

7

8

9

gutter thickness in the last 18 in. [460] of the ramp.

Transition ramp thickness from sidewalk thickness to Ramp Construction:

3

LL

L

L L

L

L

L

SEE NOTE 7

L

L

WIDTH 10' TO 12' [3.0 m TO 3.6 m]SIDEWALK

CURB & GUTTER2' [610] MIN.

CURB

FULL HEIGHT

WIDE SIDEWALK

[460]

18''

SLAB

THICKEN

STANDARD SIDEWALK THICKNESS [150]

6''

ramp length when chasing an adjacent sidewalk cross-slope.

cross-slope that must also be intercepted. See for calculating

slope, height of the curb and any other slopes such as adjacent sidewalk

Perpendicular curb ramp length is dependent on the ramp Ramp Length:

SHEET 2

TYPE I - PERPENDICULAR CURB RAMPS

TYP.

WARNING DEVICES TYP.

COLORED DETECTABLE

WARNING DEVICES TYP.COLORED DETECTABLE

PERPENDICULAR RAMP NOTES

L

EXPANSION JOINTSEXPANSION JOINTS

EXPANSION JOINTS

EXPANSION JOINTS

EXPANSION JOINTSEXPANSION JOINTS

EXPANSION JOINTSEXPANSION JOINTS

5 FT. [1525] WIDE RAMP).

GREATER FOR A PERPENDICULAR INTERSECTION AND A

FOR EACH DIRECTION OF TRAVEL. (e.g. R=15 FT. [4.6 m] OR

INTERSECTING TANGENT LINES FROM THE FACE OF CURB

BEYOND THE RAMP TO BE FULLY CONTAINED WITHIN THE

RADIUS TO ALLOW AN IMAGINARY PROJECTION 4 FT. [1220]

WHEN USING DIAGONAL RAMPS, PROVIDE A LARGE ENOUGH

JULY 2018

MINIMUM

6' [1830] RECOMMENDED

MINIMUM

6' [1830] RECOMMENDED

be provided which doesn't extend beyond either face of curb line.

that an imaginary 4 ft. [1220] by 4 ft. [1220] box at the bottom of the ramp can

ramp better serves both directions of travel. If a diagonal ramp is used, ensure

infeasibility conditions exist or a skewed intersection is present where one

crosswalk. Provide one ramp for each direction of travel, unless site

Provide ramps aligned to be fully contained in the intended Ramp Alignment:

the ramp is fully contained within the pedestrian crossing.

conditions do not permit, provide a 4 ft. [1220] minimum ramp width. Ensure

Provide 5 ft. [1525] or greater width where possible. If site Ramp Width:

7.5% or flatter, ADA maximum = 8.3%.Ramp Slope:

1.5%, ADA maximum = 2.0%.Ramp Cross-Slope:

ramp run). ADA maximum cross-slope = 2.0%.

1.5% for the landing in either primary direction (parallel or perpendicular to the

walls, curbs, etc. are directly behind the landing. Do not exceed a slope of

can be reduced to 4 ft. [1220] if no vertical obstructions such as buildings,

length (in the direction of the ramp run) of 5 ft. [1525] minimum. This length

perpendicular ramps with a width equal to the ramp width. Provide a landing

Provide a landing/turning area at the top of Landing/Turning Area:

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 4: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

WBW

WBW

ENGINEERING SERVICES

608-1BRCS

608-1A 84

TOP VIEW ISOMETRIC VIEW

RA

MP F

LARE

SIDEWALK

ADJACENT

L

TOP VIEW ISOMETRIC VIEW

2% DESIRABLE

WIDTH

RAMP

1

2

6

L

L

L

WARNINGS

DETECTABLE

B

A

B

C

D

E

Expansion Joint - SHEET 1See

Not a grade break line.

NOTES:

flow line) perpendicular to the ramps.

Make grade breaks (such as the gutter

locations.

maximum where possible at curb ramp

Gutter counter slopes should be 2%

Color contrast from the sidewalk is only required for detectable warnings.

Shaded areas are intended to highlight ramps and flares in the drawings.

Notes 1 through 9 SHEET 3See-

NOTES:

See notes below.

A

C

D

E

A

4

WARNING DEVICES TYP.DETECTABLE

DESIRABLE2' [610] MIN.

CURBFULL HEIGHT

WARNINGSDETECTABLE

L

DESIRABLE

2%

ADA ACCESSIBILITY

CONCRETE SIDEWALK AND

TYPICAL TYPE I (PERPENDICULAR) CORNER RAMPS WITH FLARED RETURNS

RA

MP FLA

RE

5

A

A

FLOW LINE

4

CURB

RETENTION

4'' [100] WIDE

TYPICAL TYPE I (PERPENDICULAR) CORNER RAMPS WITH VERTICAL RETURNS

RAMP WIDTH

1

1:10

of the ramp, slope downward at 2% to flow line.

curb line. In those cases, beginning at the end

However, when specified, ramp may stop at

Typically ramp run should extend to flow line.

JULY 2018

TYPE I PERPENDICULAR RAMPS (CONTINUED)

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 5: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

TOP VIEW

ISOMETRIC VIEW

ISOMETRIC VIEWTOP VIEW

WBW

RCS

WBW

608-1A

608-1B5 8

ENGINEERING SERVICES

L

L

L

L

TYPE II - COMBINED PERPENDICULAR / PARALLEL RAMPS

A

B

C

D

E

Expansion Joint - SHEET 1See

Not a grade break line.

NOTES:

flow line) perpendicular to the ramps.

Make grade breaks (such as the gutter

locations.

maximum where possible at curb ramp

Gutter counter slopes should be 2%

Color contrast from the sidewalk is only required for detectable warnings.

Shaded areas are intended to highlight ramps and flares in the drawings.

Notes 1 through 9 SHEET 3See-

NOTES:

See notes below.

2% DESIRABLE

DESIRABLE

2%

A

A

B

C

D

E

4

WARNINGSDETECTABLE

ADA ACCESSIBILITY

CONCRETE SIDEWALK AND

RETENTION CURB

4'' [100] WIDE

MODIFIED TYPE II (COMBINED) CORNER RAMPS WITH FLARED RETURNS

TO STREET

TO ALLOW DRAINAGE

SET CURB HEIGHT

RETENTION CURB

4'' [100] WIDE

FLOW LINE

2

2

5

WID

TH

RA

MP

1

DETECTABLE WARNINGS

FLOW LINE

4

2 2

A

A

6 RETENTION CURB

4'' [100] WIDE

WIDTH

RAMP

1

1:1

0

FL

AR

E

RA

MP

RAMPS WITH VERTICAL CURB RETURNS

MODIFIED TYPE II (COMBINED) CORNER

A

STRUCTURE

IF AGAINST

RETENTION CURB

JOINT ALONG

USE EXPANSION of the ramp, slope downward at 2% to flow line.

curb line. In those cases, beginning at the end

However, when specified, ramp may stop at

Typically ramp run should extend to flow line.

JULY 2018

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 6: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

608-1B

3

(PARALLEL CURB RAMP)

CURB RAMP TYPE •••

1

2

3

B

B

PAY LIMITS-SIDEWALK

B.O.C.

THICKNESS

SIDEWALK

SLAB

THICKEN

SECTION B-B

FLOW LINE

RAMP FLUSH AT

CURB & GUTTER MODIFICATION AT LANDING

ENGINEERING SERVICES

WBW

WBW

6 8ADA ACCESSIBILITY

CONCRETE SIDEWALK AND

4'' [100]

18'' [460]6'' [150]

7'' [180]

1/2'' [13]

INTERFACE FLUSH

MAKE PAVEMENT

608-1A

TYPE III (PARALLEL) CURB RAMP REQUIREMENTS

or type II combined ramps.

Use type III parallel ramps when it is not feasible to construct type I perpendicular,

DETECTABLE WARNING DEVICES

RCS

CURB RAMPS

TYPE III (PARALLEL)

PAY LIMITS - (TYPE A SHOWN)

CURB & GUTTER

7.5% MAX.MIN.

5' [1525]

WARNING DEVICES

DETECTABLE

WARNING DEVICES

DETECTABLE

L

L

LWIDTH

SIDEWALK

GUTTER&

CURB

L

LWIDTH

SIDEWALK

GUTTER&

CURB

5

5

4

23

2

3

JOINTSEXPANSION

DUAL PAIR PARALLEL RAMPSSINGLE PAIR PARALLEL RAMPS

RADIUS BACK SIDEWALK

EXPANSION JOINT

EXPANSION JOINT

SQUARE BACK SIDEWALK

CURB

RETENTION

PRACTICABLE

WHERE

GUTTER SLOPE

EXCEED 2%

DO NOT

Ramp Width:

sidewalk run.

Provide a ramp width equal to or greater than the adjacent

Ramp Slope:

Ramp Cross-Slope:

4 ''L'' Landing/Turning Area:

5

6

Ramp Length:

Single or Dual Pair Ramps:

Ramp length is normally determined by the ramp slope and

Provide dual pair ramps when they adequately

crossing.

pair ramps. Ensure the ramp landings are fully contained within the pedestrian

dual ramps are not practical due to existing site conditions, provide single

fit site conditions and align with ramps on the other side of the street. Where

RETENTION CURB

4'' [100] WIDEJOINTS

EXPANSION

5' [15

25]

Provide a landing/turning area at the bottom of

''L''

''L''

5' [152

5] MIN.

1.5% MAX.-ADA MAX. 2.0%

5' [1525] MIN.LEVEL LANDING

JULY 2018

5' [1525] PREFERRED4' [1220] MIN.WIDTH SIDEWALK

does not require the ramp length to exceed 15 ft. [4.6 m].

terrain is sloping, ramp lengths can get significantly longer, however, ADA

6 in. [150] curb height the ramp length equals 6'-8'' [2030]. Where the

the elevation change from the sidewalk to the landing. For flat terrain and a

7.5% or flatter, ADA maximum = 8.3%.

1.5%, ADA maximum = 2.0%.

the pedestrian crossing. ADA maximum cross-slope = 2.0%.

perpendicular to the ramp run). Ensure the landing is fully contained within

slope of 1.5% for the landing in either primary direction (parallel or

(in the direction of the ramp run) of 5 ft. [1525] minimum. Do not exceed a

parallel ramps with a width equal to the ramp width. Provide a landing length

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 7: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

ENGINEERING SERVICES

WBW

WBW

ADA ACCESSIBILITY

CONCRETE SIDEWALK ANDDRIVEWAYS & APPROACHES

TYPICAL SIDEWALK AND/OR DOUBLE GUTTER TREATMENT AT APPROACHES

CROSS SLOPE:

DRIVEWAYS AND APPROACHES:

NOTES:

1

(MOST DESIRABLE TREATMENT)

TYPE A - PEDESTRIAN SIDEWALK WITH EXTERNAL BYPASS

TYPE B - PEDESTRIAN SIDEWALK WITH INTERNAL BYPASS

TYPE C - DEPRESSED PEDESTRIAN SIDEWALK

TYPE D - DETACHED PEDESTRIAN SIDEWALK

RIGHT-OF-WAY PERMITS CONSTRUCTION)(USE FOR SIDEWALK ADJACENT TO CURB WHERE

4 DRIVEWAY SLOPE:

shaded area will be constructed to the depth specified for double gutter.represents the pay limits if double gutter is specified and the entire

shaded area double gutter is specified at a given location. The unlessretention curbs) and curb & gutter in front of the back of curb line, are paid for as sidewalk behind the back of curb line (including Driveways and approaches

(USE WITH SIDEWALK WIDTHS 7' [2135] AND WIDER.)

3

2

7 8

FLARE

FLARE

CURB & GUTTER

APPROACH WIDTH (SEE PLANS)

SEE NOTE 1

4

5' [1525]

5' [1525]MIN.

4' [1220]

WIDTH

SIDEWALK

2

CURB & GUTTER

APPROACH WIDTH (SEE PLANS)

SEE NOTE 1

FLARE

FLARE

7' [2135] MIN.

WIDTH

SIDEWALK

5' [1525]

FLARE

FLARE

MIN.

4' [1220]

WIDTH

SIDEWALK

5' [1525]

5' [1525]

CURB & GUTTER

PAY

C & G

LIMIT

PAY LIMIT

SIDEWALK

SEE NOTE 1

APPROACH WIDTH (SEE PLANS)

4' [1220] MIN.

WIDTH

SIDEWALK

CURB TYP.

RETENTION

SEE NOTE 1

3

2 2

4

SIDEWALK WIDTH

4' [1220] OR GREATER

DRIVEWAY

OR

APPROACH

X

Y

2

4

5' [1525]

PAY LIMIT

SIDEWALK

SEE NOTE 1

LIMIT

PAY

C & G

PAY LIMIT

SIDEWALK

SEE NOTE 1

LIMIT

PAY

C & G

PAY LIMIT

SIDEWALK

SEE NOTE 1 PAY

C & G

LIMIT

RCS

608-1B608-1A

DRIVEWAY

OR

APPROACH

CURB & GUTTER

7.5% MAX.

RAMP SLOPE

2

4WIDTH

SIDEWALK

4' [1220] OR GREATER

APPROACH WIDTH (SEE PLANS)

7.5% MAX.

RAMP SLOPE

RAMP SLOPE:

exceed 2.0%.

ADA does not permit the cross-slope to

1.5% towards street unless otherwise shown.

Slope sidewalks at

TYP.

EXPANSION JOINT

TYP.

EXPANSION JOINT

TYP.

EXPANSION JOINT

TYP.

EXPANSION JOINT

X YWIDTH

SIDEWALK

Ft Ft Ftmm mm

>2745

2440

2135

>9'

8'

7'

5' MIN.

4'

4'

4'

3'

1220

915

JULY 2018

mm

1525 MIN.

1220

1220

NOTE:

doubles as a curb ramp.

line of gutter unless this driveway

to 1 1/2'' [25 to 38] above flow

Elevate depressed sidewalk 1''

SECTIONGUTTER

1'' [25] MIN.

1 1/2'' [38] MAX.

FLOW LINE

A

A

SECTION A-A

ADA maximum = 8.3%.

7.5% or flatter,

4' [1220] OR GREATER

4' [1220] MIN.

1220 MIN.4' MIN.

considered to reduce the effect of slowing traffic on the street.

a length of 4 feet [1220] perpendicular to the street. For busier approaches, flatter driveways should be

after the initial rise to curb height (typically 6 inches [150] high) the driveway slope can be achieved in

ramp requirements. For Single use driveways (such as residential), where the driveway is relatively flat

a dual purpose as an ADA curb ramp and a driveway, the driveway must conform to perpendicular curb

pedestrian access route through a driveway must be made to not exceed 2% (ADA). If a driveway serves

Driveway slopes typically exceed ADA cross-slope requirements, therefore the

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.

Page 8: 30 - Wyoming Department of Transportation...ramp slope 7.5% cross-slope = 1.5% adjacent sidewalk slope = 0.0% (flat) miscellaneous details sidewalk cross-slope caused by adjacent elevation

L L L123

MEDIAN OR ISLAND CUTISLAND CUT DETAIL

ACCESSIBLE PARALLEL PARKING SPACES BUS / TRANSIT PULLOUTS

NOTES:

Bus Pullouts:

LEVEL LANDING

MIN.

plusAccessible Parallel Parking Spaces

accessible parking stalls and/or bus pullouts.See plans for locations and actual dimensions of

LANDING

WBW

WBW

ENGINEERING SERVICES

MEDIAN OR ISLAND CUTS

PARALLEL ON-STREET PARKING &

STALL WIDTH

8' [2.4 m] MINIMUM PARKING

24' [7.3 m] MIN.

PARKING STALL WIDTH

WIDTH BEYOND STANDARD

RAMP SLOPE

RAMP SLOPE

CROWN

>

8 8

RCS

608-1A

608-1B

MIN.

5' [1525]

DETECTABLE WARNING DEVICES TYP.

LANDING

L

WIDTH

WIDTH

LANDING

DETECTABLE WARNING DEVICE

2.5' [76

0] MIN.

2.5' [76

0] MIN.

ISLAND WIDTHS >

9' [2745

]

B.O.C.

B.O.C.

7.5%

7.5%

B.O.C.

B.O.C.

MAX.MAX.

2%2%

SEE NOTE

WARNINGS

DETECTABLE BETWEEN CLEAR

LESS THAN 9' [2745] MEDIAN WIDTHS

-See landing requirements, see SHEET 2

ADA ACCESSIBILITY

CONCRETE SIDEWALK AND

L

L

For Islands:

provide a cross-slope for the pedestrian path through the island.exceed 2% (1.5% preferred) and crowned at the center of the island. Do not Provide a longitudinal slope for the pedestrian path through the island not to

DIRECTIONS

MIN. ALL

5' [1525]

[1525]

5'

RAMP WIDTH

4' [1220] MIN. 5' [1525] MIN.

5' [1525] - PREFERRED

9' [2745] OR WIDER MEDIANS

4' [1220

] MIN. 2' M

IN. [610

]

5' [1525] MIN.5' [1525] MIN.

between detectable warnings. These are considered pedestrian refuge islands.6 ft. [1830] and wider - provide detectable warnings. Provide 2 ft. [610] clear

cut-through. These medians are not considered pedestrian refuge islands.Less than 6 ft. [1830] - don't provide detectable warnings. Only provide

JULY 2018

of a vehicle.accommodate van wheelchair lifts and access from either sidestandard parking stall (8 ft [2440] min. width) 5 ft [1525] to should consist of the

4' [1220] MIN.

MAX.= 8.3%.7.5% , ADA RAMP SLOPE

detectable warning devices.the center of the island. Provide ramps (slope 7.5%) on each side with Provide a level landing 4 ft. [1220] minimum long by 5 ft. [1525] minimum wide in

AND WIDER

MEDIAN WIDTHS 6' [1830]

DEVICES ONLY USED FOR

DETECTABLE WARNING

1

2

3

L = Length required for bus to maneuver out of pullout

L = Length of bus +10 ft [3.0 m]

L = Length required for bus to maneuver into pullout

STANDARD PLAN NUMBER

Date Issued:

SHEET of TRANSPORTATION

OF

WYOMING DEPARTMENT

DEPARTMENT OF

WYOMING

TRANSPORTATION Issued by:

STANDARD PLAN

Checked by:

Drawn by:

Designed by:

Note: Units shown in brackets [ ] are metric and are in millimeters (mm) unless other units are shown.

Previous Dwg. No.