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REFERENCE

SPECIFICATION

VIRGINIA DEPARTMENT OF TRANSPORTATION

THIS PAGE INTENTIONALLY LEFT BLANK

ROAD AND BRIDGE STANDARDS

SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD

2016 ROAD & BRIDGE STANDARDS




REVISION DATE SHEET 1 OF 3

PAGE

500.01

TITLESTANDARD

SECTION 500-GUARDRAIL, BARRIER AND FENCE

INDEX OF SHEETS

W-BEAM GUARDRAIL INSTALLATION CRITERIA




W-BEAM GUARDRAIL INSTALLATION CRITERIA (FIXED OBJECT ATTACHMENT METHODS FOR CONSTRUCTION ZONES)

BLOCKED-OUT W-BEAM MEDIAN BARRIER - FIXED OBJECT ATTACHMENT RUBRAIL AND HARDWARE DETAILS

BLOCKED-OUT W-BEAM MEDIAN BARRIER - FIXED OBJECT ATTACHMENT FOR USE BETWEEN MB-7 AND MB-3

W BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT RUBRAIL AND HARDWARE DETAILS

W BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT FOR USE BETWEEN SAFETY SHAPE AND AND GUARDRAIL (STEEL POSTS)

W BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT FOR USE BETWEEN SAFETY SHAPE AND AND GUARDRAIL (WOOD POSTS)

W BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT RUBRAIL AND HARDWARE DETAILS

W BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT FOR USE WITH VERTICAL FIXED OBJECTS AND GUARDRAIL (STEEL POSTS)

W BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT FOR USE WITH VERTICAL FIXED OBJECTS AND GUARDRAIL (WOOD POSTS)

STANDARD BOX CULVERT GUARDRAIL (TEXAS T6)



TRAILING END TERMINAL TREATMENT

GUARDRAIL AT LOW-FILL CULVERT

GUARDRAIL AT LOW-FILL CULVERT

ALTERNATE BREAKAWAY CABLE TERMINAL - NO FLARE (SITE PREPARATION)

ALTERNATE BREAKAWAY CABLE TERMINAL - NO FLARE

STANDARD W-BEAM GUARDRAIL (WEAK POST SYSTEM)

STANDARD W-BEAM GUARDRAIL (WEAK POST SYSTEM)

BREAKWAY CABLE TERMINAL - 4' FLARE (SITE PREPARATION)

BREAKWAY CABLE TERMINAL - 4' FLARE

BREAKWAY CABLE TERMINAL - 4' FLARE

TERMINAL TREATMENT FOR W-BEAM GUARDRAIL


CABLE GUARDRAILS

CABLE GUARDRAILS

CABLE GUARDRAILS

STANDARD BLOCKED-OUT W-BEAM GUARDRAIL (STRONG POST SYSTEM) POST AND BLOCKOUT DETAILS

STANDARD BLOCKED-OUT W-BEAM GUARDRAIL (STRONG POST SYSTEM)

STANDARD THRIE BEAM GUARDRAIL HARDWARE

STANDARD W-BEAM GUARDRAIL HARDWARE

STANDARD W-BEAM GUARDRAIL HARDWARE

GR-INS

FOA-CZ

GR-FOA-4

GR-FOA-2, & 4

GR-FOA-2

GR-FOA-1

BGR-01

GR-11

GR-10

GR-9

GR-8, 8A, 8B, 8C

GR-7

GR-6

GR-3

GR-2, 2A

GR-HDW

501.37

501.36

501.35

501.34

501.33

501.32

501.31

501.30

501.29

501.28

501.27

501.26

501.25

501.24

501.23

501.22

501.20

501.19

501.18

501.17

501.16

501.15

501.14

501.13

501.12

501.11

501.10

501.09

501.08

501.07

501.06

501.05

501.04

501.03

501.02

501.01





SHEET 2 OF 3 REVISION DATE

500.02

STANDARD TITLE PAGE


INDEX OF SHEETS

RM-2 STANDARD PLAN AND METHOD OF SETTING RIGHT-OF-WAY MONUMENTS

504.02

RM-1

FE-6

FE-4

FE-G

FE-CL

FE-B

FE-W1, W2

MB-INS

MB-13

MB-12A, B, C

MB-11A

MB-10A

MB-9A, PC

MB-9A

MB-8A

MB-7D PC

MB-7D, 7E, 7F

MB-5

MB-3

GR-INS

STANDARD PLAN AND METHOD OF SETTING RIGHT-OF-WAY MONUMENTS

STANDARD METHOD OF FENCE AND HANDRAIL GROUNDING

WATER GATES IN FENCE LINES

STANDARD FENCE GATES

STANDARD FENCE CHAIN LINK

STANDARD FENCE BARBED WIRE

STANDARD FENCE WOVEN WIRE FABRIC

STANDARD FENCE GENERAL NOTES

BUTTING TRAFFIC BARRIER SERVICE TO SINGLE FACE PARAPET SERVICE

BUTTING TRAFFIC BARRIER SERVICE TO SINGLE FACE PARAPET SERVICE

CONCRETE MEDIAN BARRIER TYPE I, II OR III


CONCRETE MEDIAN BARRIER (TALL WALL)

CONCRETE MEDIAN BARRIER (TALL WALL)

TRAFFIC BARRIER SERVICE CONCRETE PARAPET (DOUBLE FACE) (FOR TEMPORARY INSTALLATION ON BRIDGE DECK EXTERIOR

TRAFFIC BARRIER SERVICE CONCRETE PARAPET (DOUBLE FACE) (FOR TEMPORARY INSTALLATION ON BRIDGE DECK EXTERIOR)

TRAFFIC BARRIER SERVICE CONCRETE PARAPET (DOUBLE FACE) (FOR TEMPORARY INSTALLATION ON BRIDGE DECK EXTERIOR)

TRAFFIC BARRIER SERVICE CONCRETE PARAPET (SINGLE FACE) (FOR TEMPORARY INSTALLATION ON BRIDGE DECK EXTERIOR)

TRAFFIC BARRIER SERVICE CONCRETE PARAPET (SINGLE FACE) (FOR TEMPORARY INSTALLATION ON BRIDGE DECK EXTERIOR)

PRECAST CONCRETE MEDIAN BARRIER 12 FOOT TERMINAL SECTION

CAST IN PLACE CONCRETE MEDIAN BARRIER 12 FOOT TERMINAL SECTION.

CONCRETE MEDIAN BARRIER TYPE I, II, OR III


PRECAST TRAFFIC BARRIER CONCRETE SERVICE

PRECAST TRAFFIC BARRIER CONCRETE SERVICE

CONCRETE MEDIAN BARRIER

STANDARD W BEAM MEDIAN BARRIER (WEAK POST SYSTEM)

STANDARD W BEAM MEDIAN BARRIER (WEAK POST SYSTEM)

BLOCKED-OUT W BEAM MEDIAN BARRIER

W BEAM GUARDRAIL AND MEDIAN BARRIER INSTALLATION CRITERIA

W BEAM GUARDRAIL INSTALLATION CRITERIA



504.01

503.07

503.06

503.05

503.04

503.03

503.02

503.01

502.24

502.23

502.19

502.18

502.17

502.16

502.15

502.14

502.13

502.12

502.11

502.10

502.09

502.08

502.07

502.06

502.05

502.04

502.03

502.02

502.01

501.41

501.40

501.39

501.38

07/16





REVISION DATE SHEET 3 OF 3

PAGE

500.03

TITLESTANDARD


INDEX OF SHEETS

02/17

GR-MGS-INS

GR-MGS4

GR-MGS3

GR-MGS2

GR-MGS1, 1A

MGS-HDW

IA-LM

IA-2

IA-1

MGS W-BEAM GUARDRAIL INSTALLATION CRITERIA

MIDWEST GUARDRAIL SYSTEM (TRANSITION FROM MGS 31" HEIGHT TO GR-2 27 3/4" HEIGHT)

MIDWEST GUARDRAIL SYSTEM (TRAILING END ANCHORAGE)

MIDWEST GUARDRAIL SYSTEM (TANGENT END TERMINAL)

MIDWEST GUARDRAIL SYSTEM (STANDARD AND REDUCED POST SPACING)

MGS STANDARD GUARDRAIL HARDWARE THRIE BEAM GUARDRAIL HARDWARE

MGS STANDARD GUARDRAIL HARDWARE W-BEAM GUARDRAIL HARDWARE

MGS STANDARD GUARDRAIL HARDWARE

IMPACT ATTENUATOR LOW MAINTENANCE TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION (TL-3 > 40 MPH)

IMPACT ATTENUATOR LOW MAINTENANCE TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION (TL-3 > 40 MPH)

IMPACT ATTENUATOR TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION (TL-2 < 40 MPH)

IMPACT ATTENUATOR TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION (TL-2 < 40 MPH)

IMPACT ATTENUATOR TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION (TL-3 > 40 MPH)



507.04

507.03

507.02

507.01

506.11

506.10

506.09

506.08

506.07

506.06

506.05

506.04

506.03

506.02

506.01

505.11

505.10

505.05

505.04

505.03

505.02

505.01



REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



55°

NEUTRAL AXIS

10°

SECTION THRU RAIL ELEMENT AND

W BEAM

BACK - UP PLATE

DETAIL OF SPLICE JOINT

12�" LAP

CL

CL

L

�"

�"

3"

DETAIL OF STANDARD WASHER

55°

55°

55°55°

4�"4�"

2"2" SLOTTED HOLE

�"

12�

"

W BEAM BACK-UP PLATE

1�" 1�"

3�"

1� "

2�

"3�

"1�

"3�

"2�

"

�" R

6" 6"

1-0�

"

�" x 2�"

�"

�" 1�

"

�" THICKNESS

�"

1�

"

1�"

�" R

�-11 NC-2

�-11 NC-2

�" x 1�"55°

SLOTTED HOLE

OF TRAFFIC

LAP IN DIRECTION

�" x 1" ELLIPTICAL, SLOTTED HOLE

OR MEDIAN BARRIER (MB) AND APPROVED BY THE ENGINEER.

IF INTERCHANGEABLE WITH THE STANDARDS FOR GUARDRAIL (GR)

ARTBA TECHNICAL BULLETIN NUMBER 268B MAY BE SUBSTITUTED

THE GUARDRAIL AND MEDIAN BARRIER COMPONENTS DEPICTED IN

SPECIFICATIONS.

ALL HARDWARE IS TO BE GALVANIZED IN ACCORDANCE WITH THE

NOTES:

L= 1�" FOR SPLICE BOLT-FULL LENGTH THREADS

L= 18" FOR WOOD AND CONCRETE POST BOLT-2�" MIN. THREADS

L= 26" FOR MB WOOD OR CONCRETE POST-2" MIN. THREADS

�" R

NUT-8 PER JOINT

"SPLICE BOLT" WITH

1 �"

� "

BOTH SIDES

RECESS ONE OR

1" DIA.. x �" DEEP,


REFERENCE

SPECIFICATION

GR-HDW

STANDARD GUARDRAIL HARDWARE

505

221ROAD AND BRIDGE STANDARDS

REVISION DATE

501.01

SHEET 1 OF 3

L= 2" FOR SPLICE BOLT-FULL LENGTH THREADS ON NESTED W BEAMS.

01/14

POST BOLT, AND NUT

L= 10" FOR STEEL POST BOLT-1�" MIN. THREADS

(GUARDRAIL BOLT)

DETAIL OF BUTTON HEAD BOLT AND RECESS NUT



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3’-1�"

(3’-1�" POST SPACING)

6’-3" 6’-3"

(6’-3" POST SPACING)

3’-1�" 3’-1�" 3’-1�"

MAX DYNAMIC DEFLECTION = 2’MAX DYNAMIC DEFLECTION = 3’

(STRONG POST SYSTEM)

GR-2AGR-2

*

*

STANDARD BLOCKED-OUT W-BEAM GUARDRAILREFERENCE

SPECIFICATION



SHEET 1 OF 2

501.04

REVISION DATE

GR-2, 2A

505

221

*

27�" MIN - 28�" MAX RAIL HEIGHT

USING NESTED RAIL

OPTIONAL GR-2A METHOD

RAIL ON BACK OF POST

USING ADDITIONAL

OPTIONAL GR-2A METHOD

08/14

FOR GR-2A THE POST SPACING WILL BE 6’-3".

WHEN NESTED RAIL OR ADDITIONAL RAIL IS PLACED ON BACK OF POST

PRIOR TO INSTALLATION.

STANDARD GR-2A SHALL BE APPROVED BY THE ENGINEER

OF AN ADDITIONAL RAIL ON THE BACK OF THE POST FOR

THE OPTIONAL GR-2A METHODS OF NESTING THE RAIL OR USE

A COPY OF THE ORIGINAL SEALED AND SIGNED DRAWING IS ON FILE IN THE CENTRAL OFFICE.

VEHICULAR TRAVEL FOR THE FINISHED ROADWAY.

ALL W-BEAM RAILS SHALL BE LAPPED IN THE DIRECTION OF

STANDARD GR-INS.

HEIGHT OF 27�" MIN - 28�" MAX AS MEASURED PER

ALL GR-2 AND GR-2A RAIL SHALL BE MAINTAINED AT A

SECTION 505 OF THE SPECIFICATIONS.

SET AND ALIGNED WITHOUT ALTERATION OR FORCE, AS PER

FROM VERTICAL. W-BEAM, BLOCKOUTS, AND POSTS SHALL BE

NOT BE SET WITH A VARIATION OF MORE THAN �" PER FOOT

ALL GUARDRAIL POSTS SHALL BE SET PLUMB. POST SHALL

BETWEEN 5 FEET AND 150 FEET.

RAIL ELEMENTS ARE FURNISHED SHOP CURVED FOR RADII

ASSOCIATED HARDWARE SEE SHEET NOS. 501.01 AND 501.02.

FOR DETAILS OF RAIL ELEMENT, RAIL SPLICE JOINT, AND

FOR DETAILS OF POST AND BLOCKOUTS SEE SHEET NO. 501.05.

AS DIRECTED BY THE ENGINEER.

ONLY AND CAN BE ADJUSTED DURING CONSTRUCTION IF AND

GUARDRAIL LOCATIONS SHOWN ON PLANS ARE APPROXIMATE

NOTES:

* *

*

FLARE RATES

DESIGN

SPEED SHY LINE

INSIDE

SHY LINE

BEYOND

MPHSHY

LINERATE

FLARE FLARE

RATE

50

40

30

30:1

26:1

21:1

13:1 7:1

8:1

11:1

14:1

15:1

8’

5’

LS

70

60

SUGGESTED MAXIMUM FLARE RATE

FOR SEMI-RIGID BARRIER SYSTEMS.

9’

6.5’

4’

16:1



STEEL POST

12"

2"

1’-

2" 7

"

1’-

2"

8"

6"

8" 8"

7"

6x8 WOOD POST

8"

14"

�"

6"

�"

7"

6"

14"

�"

6"

�"

7"

8"

POST MAY BE HOT ROLLED OR WELDED.

6"

1.

2.

3.

4.

�" HOLE

MATERIAL

RECYCLED

BLOCK OR

TREATED PINE

6"x6"x1’-2"

1�"

LESS THAN 1’-0"

STEEPER THAN 4:1

NOTES:

ALL BOLTS, NUTS, WASHERS, AND OTHER

STEEL ITEMS ARE TO BE GALVANIZED.

ALTERNATE TYPE POSTS AND BLOCKOUT MAY

BE INTERCHANGED ON ANY ONE PROJECT WITH

THE RESTRICTION THAT THE SAME TYPE OF

POST AND BLOCKOUT MUST BE USED IN ANY

SINGLE RUN OF GUARDRAIL.

FOR DETAILS OF GUARDRAIL ELEMENT SPLICE

JOINT, HARDWARE, ETC. SEE SHEET NOS.

6’-

0"

MIN., S

EE

DE

TAIL

A

6’-

0"

MIN., S

EE

DE

TAIL

A

BOLT IS INSTALLED.

TOP OR BOTTOM OF BLOCKOUT AFTER �" x 18

DRIVE NAIL ON BOTH SIDES WITHIN 2" OF THE

501.01

AND 501.02.

1 �"


REFERENCE

SPECIFICATION

STANDARD BLOCKED-OUT W-BEAM GUARDRAIL (STRONG POST SYSTEM, POST AND BLOCKOUT DETAILS)


REVISION DATE

501.05

SHEET 2 OF 2

505

236

221

GR-2, 2A

PINE BLOCK

TREATED

6"x8"x1’-2"

REQUIRED

8’-0" POST

& NUT

�"x18" BOLT

& NUT

�"x10" BOLT

�" WASHER

08/14

6’-

0"

8"6"

1’-

4"

7"

CRT POST

3"

4"

HOLE

�" DIA

HOLES

3�" DIA.

2’-

4�

"SEE NOTE 5.

COMMON NAIL

GALV. STEEL 10D

PLANS.

SPECIFIED BY THE ENGINEER IN THE

STANDARD GR-10 TYPE III OR WHERE

THE CRT POST IS FOR USE WITH THE

HOLES

�"

MATERIAL

RECYCLED

BLOCK OR

TREATED PINE

6"x8"x1’-2"

W6x9

W6x8.5 OR

GALVANIZING

TO FACILITATE

OPTIONAL HOLE

TO BE �" DIA.

AND BRACKETS

HOLES IN POSTS

RECYCLED MATERIAL.

PINE BLOCK OR

6"x 8"x1’-2" TREATED

SOUTHERN PINETREATED

4"

14"

�"

�"7�

"

7"

7�"

PINE BLOCK.

4"x 8"x1’-2" TREATED

4" WIDE BLOCKOUT

6" WIDE BLOCKOUT

GUARDRAIL

POST

STRONG

GUARDRAIL POSTS

SITES REQUIRING LONGER

GUARDRAIL INSTALLATION

DETAIL A

CONTAINING STEEL BLOCKOUTS.

FOR USE WHEN REPAIRING DAMAGED GUARDRAIL

REPAIR ONLY

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A

ELEVATION

PLAN

NOTES:

SECTION B-B

SECTION A-A

SECTION C-C

A B

B C

C D

D

E

E

C

C


25’-0"

12’-6"6’-3"

POST SPACING

PAY LIMITS ST’D. GR-6

1.

2.

3.

4.

5.

6.

7.

SEE SHEET 501.10.

FOR SECTIONS D-D & E-E, AND END ANCHORAGE DETAILS

#

#

#

8.

9.

THE LAST 3 TERMINAL POSTS MUST BE W6 X 8.5 STEEL.

THE POST MAY BE W6 X 8.5 STEEL OR 6 X 8 WOOD EXCEPT

ALL POST SPACING 6’-3" C-C UNLESS OTHERWISE NOTED.

THE 18" DISTANCE FROM THE GROUND.

RAIL IS REQ’D., TAPER BOTH W-BEAM RAILS TO MAINTAIN

W-BEAM RAIL AND GROUND LINE IS 18". WHEN DOUBLE

MAXIMUM DISTANCE BETWEEN BOTTOM OF THE LOWER

BEGINNING OF THE LOWER RAIL THROUGH POST 3.

LOWER W-BEAM RAILS ARE REQUIRED. FROM THE

A 8’-0" LONG POST MUST BE USED WHEN UPPER AND

EDGE OF GRADED SHOULDER

EDGE OF TRAVEL LANE EDGE OF TRAVEL LANE

1

1

DETAIL A SHEET 501.10

SEE END ANCHORAGE

11

SLOPES

DITCH

TOE OF

8’-

0"

8’-

0"

6’-

0"

EDGE OF GRADED SHOULDER

EDGE OF TRAVEL LANE EDGE OF TRAVEL LANE

11

6X8 WOOD POST

W6X8.5 STEEL OR

(9) (8) (7) (6) (5) (4) (3)

(2) (1)

SHEET 501.10

DETAIL B OR C

ANCHORAGE

SEE END

SLOPE

DITCH

TOE OF

ATTACH WITH �" BOLT

RAIL BEHIND POST AND

BEND LOWER W-BEAM

EDGE OF SHOULDER

SEE NOTE 2

BLOCKOUT

6X8X14" LG.

STANDARD

SHOULDER

POST W/�" BOLT

W-BEAM RAIL TO

ATTACH LOWER

W/�" BOLT

BACK OF POST

W-BEAM RAIL TO

ATTACH LOWER

2’-0" MAX.

18" MAX.

MAX.

2’-0"

SHOULDER

OR CUT/FILL BREAK

75’-0" MINIMUM TO THE HAZARD

MA

X.

8’-

0"

PROFILE GRADE - SEE NOTES 1, 2 & 4

W-BEAM RAIL HEIGHT CONSTANT RELATIVE TO ROADWAY

UNDIVIDED HIGHWAYS.

OF TRAFFIC) AND AT THE RUN-ON AND RUN-OFF ENDS ON

THE RUN-ON END OF DIVIDED HIGHWAYS (LEFT AND RIGHT

STANDARD GR-6 TERMINAL TREATMENT MAY BE USED AT


GR-6

REFERENCE

SPECIFICATION


REVISION DATE

501.09

SHEET 1 OF 2

505

221

BE ANCHORED PER SOLID ROCK CUT INSTALLATION (DETAIL F).

IF THE BACKSLOPE IS ROCK AND 1:1 OR STEEPER, THE W-BEAM MAY

POST 1 (8’-0" OFFSET).

BOTH W-BEAM RAILS TO BE 1’-0" BELOW FINISHED GRADE AT

DITCH LINE). THE DOUBLE RAIL WILL EXTEND TO POST 3.

18" (UP TO THE POINT WHERE THE RAIL CROSSES THE

THE GROUND AND BOTTOM OF THE TOP RAIL EXCEEDS

A SECOND RAIL IS REQ’D. WHERE THE DISTANCE BETWEEN

27�

"

MIN.

28�

"

MA

X.

RAIL IS REQUIRED MULTIPLY LENGTH BY 2.

PAY LIMITS STD GR-2. WHERE DOUBLE

3’-0" MAX 5’-0" MAX

SLOPE

TOE OF DITCH

TRAFFIC

RUN-ON AND RUN-OFF

OF ADJACENT TRAFFIC FOR

RAIL LAPS IN DIRECTION

TRAFFIC.

INSTALLED WITH RAILS LAPPED IN THE DIRECTION OF ADJACENT

ALL TERMINAL RUN-ON OR RUN-OFF INSTALLATIONS SHALL BE

7/12

FLATTER

6 ORFLATTER

4 OR

SEE NOTES 3 & 4

RAILS

3" BETWEEN

BELOW FINISHED GRADE

#1 POST 1’-0" MIN.

FOR GR-6 INSTALL.

ROADWAY SURFACE

MIN. RELATIVE TO

BACKSLOPE HGT 4’-0"

ST

EE

PE

R

2:1 O

R

NEVER EXCEED 45�"

BOTTOM OF DITCH SHALL

TOP OF GUARDRAIL TO

DITCH, DISTANCE FROM

AS GUARDRAIL CROSSES

TH

AN 4:1

NO

ST

EE

PE

R

10:1

DE

SIR

AB

LE

*

*

12.5 OR FLATTER TO DITCH LINE

12.5 OR FLATTER TO DITCH LINE

*GUARDRAIL FLARE RATE




3"

SECTION D-D

DETAIL E

�"

�"

2"

2"

3"

2"

14"

14"

SECTION E-E

DETAIL D

DETAIL AEND ANCHORAGE

SEE NOTE 1�

SEE NOTE 1

�

SEE NOTE 1

1"

DETAIL BEND ANCHORAGE (POST)

7�

"

DETAIL

ASSEMBLY

SEE ANCHOR

CONNECTOR

W-BEAM TERMINAL

DETAIL CEND ANCHORAGE (CONCRETE)

8’-

0"

8’-

0"

2�"

2�" 2�"

2�"

4"

5"

1�"

1�

"

�" THICK STEEL PLATE

STEEL POST

W6 X 8.5 X 8’-0" LG.

7�"

7�"

3’-0"

4"

4"

2’-

0"

2’-

0"

8"

8"

4"

30" X 18"

HOOPS

3- 3 BAR

NOTE:

1.

DETAIL F

SOLID ROCK CUT INSTALLATION

WASHER

ROCK

SOLID

TERMINAL CONNECTOR

GUARDRAIL W BEAMROCK CUT

2.

PLACE OF STEEL POST AT 8’-0" OFFSET.

CONCRETE END ANCHORAGE MAY BE USED IN

DRILL �" HOLES IN PLATE OR IN POST FLANGES.

NUTS. IF PLATE IS WELDED TO POST DO NOT

4 - �" X 1�" LG. HEX HEAD BOLTS W/ HEX

TO POST. IF PLATE IS BOLTED TO POST USE

�" STEEL PLATE MAY BE WELDED OR BOLTED

SLOT

4-1 X 1�"

#

SEE NOTE 1

IN POST FLANGE.

DRILL �" HOLESSEE NOTE 1

IN POST FLANGE.

DRILL �" HOLES

SEE NOTE 1.

IS BOLTED TO POST.

DRILL ONLY IF PLATE

4-�" DIA. HOLES.

(4 REQ’D.)

BOLTS

�" ANCHOR

#

18" LONG.

3- 3 BARS

ROCK FORMATIONS).

FOR SHALE OR OTHER SOFT

FOR HARD ROCK OR 5’ LENGTH

EPOXY ADHESIVE (18" LENGTH

EITHER MECHANICAL OR SET IN

�" THREADED ANCHOR BOLTS

SEE DETAIL D

�" PLATE

SEE DETAIL D

�" PLATE

#

2�"

2�"

PAVED DITCH DETAIL


30" X 18"

3- 3 BAR HOOPS

LG. STEEL POST

W6 X 8.5 X 6’-0"

1" 0 HOLE

GUARDRAIL HARDWARE

DETAILED ON STANDARD

WASHERS TO BE AS

LONG BLOCKOUT

STANDARD 6 X 8 X 14"

NUT

SQ. WASH. &

HEX BOLT,

�" X 2" LG.

PLATE WITH

ATTACHED TO

W-BEAM AND

DRILLED THRU

1" DIA HOLES

SQUARE WASHER

�" THICK

GR-6

REFERENCE

SPECIFICATION

VIRGINIA DEPARTMENT OF TRANSPORTATION 505

221


SHEET 2 OF 2

501.10

REVISION DATE

WASH. & NUT

HEX BOLT, SQ.

W/�" X 2" LG.

ATTACH TO PLATE

POST FLANGE.

W-BEAM AND

DRILLED THRU

1" DIA HOLE

AND NUT

SQ. WASHER.

HEX BOLT,

�" X 2" LG.

PLATE WITH

ATTACHED TO

W-BEAM AND

DRILLED THRU

1" DIA HOLES

WASH. & NUT

HEX BOLT, SQ.

W/�" X 2" LG.

ATTACH TO PLATE

POST FLANGE.

W-BEAM AND

DRILLED THRU

1" DIA HOLE

7/12

STEEL POST

W6 X 8.5

DETAIL A

SEE

HEX BOLT

POST WITH �"

W-BEAM TO

ATTACH LOWER

WOOD POST

OR 6 X 8

STEEL POST

W6 X 8.5

PAVED DITCH

AT THE SAME THICKNESS AS THE

IS TO BE FILLED WITH MORTAR GROUT

POST. AFTER POST INSTALLATION HOLE

DITCH FOR PLACEMENT OF GUARDRAIL

PROVIDED THROUGH THE PAVED

RECTANGULAR HOLE IS TO BE

1

ON SHEET NO. 501.02

CONNECTOR AS DETAILED

SEE W BEAM TERMINAL

*

*

2

BACKSLOPE

STEEPER

2:1 OR

1

2




TRAFFIC

2.

1.

3.

SEE NOTE 2

TERMINAL END

GUARDRAIL

STANDARD

NOTES:

89 7 6 5 4 3 2 1

A

4'-

0"

B.

SEE INDIVIDUAL MANUFACTURER'S PLANS FOR THIS INFORMATION.

AND OTHER INFORMATION NOT SHOWN WILL VARY FOR EACH MANUFACTURER.

THIS DRAWING IS REPRESENTATIONAL ONLY. DETAILS, DIMENSIONS, QUANTITIES,

PAY LIMITS GR-7 TERMINAL

A

INSTALLATION INSTRUCTIONS AND THE FOLLOWING VDOT REQUIREMENTS:

ALL TERMINALS SHALL BE INSTALLED ACCORDING TO THE MANUFACTURER'S

ALL STANDARD GR-7 TERMINALS SHALL BE INSTALLED WITH A 4 FT. OFFSET.A.

C.

6'-3" (TYP.)

6'-3" (T

YP.)

LENGTH OF NEED (TYP.)

37'-6" (TYP.)


GR-7

REFERENCE

SPECIFICATION


REVISION DATE

501.11

SHEET 1 OF 3

505

221 (4' FLARE)

4.

B

B

07/16

HEIGHT MEASURED AT TOP OF W-BEAM IS 27ƒ" MIN. - 28ƒ" MAX.

INSTALL AS SHOWN BELOW REGARDLESS OF ADJACENT TRAFFIC DIRECTION.

DO NOT CHANGE THE LAPPING OF TERMINAL FOR ANY INSTALLATIONS.

TO CURRENT MUTCD APPLICATION FOR TYPE 3 OBJECT MARKERS (OM-3).

HEAD WITH THE DIRECTION OF THE BLACK DIAGONAL STRIPES CONFORMING

STRIPES SHOULD BE APPLIED TO THE FULL AREA INSIDE THE IMPACT

HEADS, AMBER (YELLOW) REFLECTIVE SHEETING WITH BLACK DIAGONAL

W-BEAM END SECTIONS. FOR TERMINALS EMPLOYING IMPACT (EXTRUDER)

SPECIFICATIONS, SHOULD BE APPLIED IN TERMINALS EMPLOYING

YELLOW 8" X 36" REFLECTIVE SHEETING, IN ACCORDANCE WITH VDOT

D.


APPROVED PRODUCTS LIST.GUARDRAIL TERMINAL, STD. GR-7 SHALL BE FROM VDOT'S

CANNOT BE OBTAINED, CONSIDER ALTERNATIVE TERMINAL OPTIONS.

IF THE NECESSARY CLEAR RUNOUT AREA FOR THE GR-7 TERMINAL

FLARED END TERMINAL



REFERENCE

SPECIFICATION



SHEET 2 OF 3

501.12

REVISION DATE

TERMINAL END

GUARDRAIL

OF STANDARD

TANGENT POINT

GRADED SHOULDER

TANGENTIAL LINE

TERMINAL

GR-7

STANDARD

LC

4'-0" FLARE

GRADED SHOULDER

GUARDRAIL

GR-2 RADIAL

STANDARD

TERMINAL END

GUARDRAIL

OF STANDARD

TANGENT POINT

GRADED SHOULDER

TANGENTIAL LINE

TERMINAL

GR-7

STANDARD

LC

GUARDRAIL

GR-2 RADIAL

STANDARD

PREPARATION

INSTALLATION SITE

PREPARATION

INSTALLATION SITE

4'-0" FLARE

STANDARD SECTION OF GUARDRAIL.

LINE EXTENDED FROM THE END OF THE

OFFSETS ARE MEASURED FROM A TANGENTIAL

OFFSET)

(STANDARD SECTION

GUARDRAIL PROJECTED

STANDARD GR-2 RADIAL

AT THE STANDARD SECTION OFFSET.

SECTION OFFSET THE OFFSET WILL BE HELD

IF THE OFFSET IS LESS THAN THE STANDARD

OR GREATER

3000' RADIUS

TRAVEL LANES

3000 FT. RADIUS OR GREATER

FLARED TERMINAL PLACEMENT

3000 FT. RADIUS

LESS THAN

TRAVEL LANES

3000 FT. RADIUS

INSIDE OF CURVE - LESS THAN

FLARED TERMINAL PLACEMENT ON

GR-7

505

221(4' FLARE)

FLARED END TERMINAL

07/16




REFERENCESPECIFICATION

505221


REVISION DATE

501.13

SHEET 3 OF 3

15:1 TAPER

10:1 S

LO

PE

(S

EE

NO

TE 1)

5’-0"

1.

2.

3.

4’-

0"

15:1 TAPER

MIN.

5’-

0"

4.

A

A

B

B

SECTION B-B

SECTION A-A

NOTES:

REQUIREMENTS FOR GR-7

GUARDRAIL TERMINAL INSTALLATION SITE PREPARATION

HINGE POINT

10:1 (SEE NOTE1)

SEE NOTE 2

4:1 OR FLATTER

SEE NOTE 3

2’-0" MIN.

HINGE POINT

6:1 MAX.

10:1 DES.

SEE NOTE 2

FLATTER

3:1 OR

SEE NOTE 2

SLOPE HINGE POINT

TRANSITION TO EXISTING SLOPE AT HINGE

EXISTING SLOPE

GRADE TO MATCH

SLOPE HINGE POINT

GR-7 TERMINAL

GR-7

PREPARATION REQUIREMENTS TAKE PRECEDENCE OVER THIS STANDARD.FOR PROPRIETARY GUARDRAIL TERMINALS THE MANUFACTURER’S SITE GRADING MUST EXTEND A MINIMUM OF 5’-0" BEHIND THE END POST. FOR NEW CONSTRUCTION, RECONSTRUCTION, AND 3R WORK THE 10:1 SLOPE UPSTREAM UN-SHIELDED ROADSIDE AREAS.NOT ATTAINABLE THIS AREA SHOULD AT LEAST BE SIMILAR IN CHARACTER TO THE ABLE (3:1 OR FLATTER) AND FREE FROM FIXED OBJECTS. IF A CLEAR RUN OUT IS THE AREA IMMEDIATELY BEHIND AND BEYOND THE TERMINAL SHOULD BE TRAVERS- SHOWN, IS REQUIRED.PAVEMENT, THE MIN. OFFSET FROM BEHIND THE POST TO THE HINGE POINT, AS FLAT OR IS A POSITIVE SLOPE DUE TO THE SUPERELEVATION OF THE ROADWAY ADJACENT TO FOR ITS FULL LENGTH, MUST BE 10:1. IF THE EXISTING GRADE IS THE CROSS SLOPE OF THE GRADE APPROACHING THE GUARDRAIL TERMINAL, AND

4:1 SLOPE DESIRABLE - 3:1 SLOPE MAXIMUM TO TOE OF SLOPE

PROPOSED SLOPE

TRANSITION TO

GUARDRAIL

STANDARD

01/14

SITE PREPARATION REQUIREMENTS FOR GR-7




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ßÁçðÌ�ºþßÁÕ[ˆLÑòßÁ§yÓëãþßÁ 2016 ROAD & BRIDGE STANDARDS


REFERENCE

SPECIFICATION


GR-9


SHEET 1 OF 2

501.16

REVISION DATE505

TRAFFIC

50'

TOP VIEW

ELEVATION

NOTES:

W-BEAM GUARDRAIL

PAY LIMITS GR-9 TERMINAL

GR-9 TERMINAL

(1) (2) (3) (4) (5) (6) (7) (8) (9)

W-BEAM GUARDRAIL

1.

2.

3.

TRANSITION FROM GR-9 TERMINAL TO WEAK POST (STANDARD GR-8) GUARDRAIL

ST'D. GR-2 STRONG POST

ST'D. GR-2, 8 SPACES @ 6'-3" (WEAK POST)

ST'D. GR-8

NOTE 2

50:1 FLARE PER

1 FT. OFFSET

LENGTH OF NEED (SEE NOTE 3)6'-3" (TYP.) 6'-3" (TYP.)

NO FLARE07/16


TANGENT END TERMINAL

TERMINAL HEAD

TERMINAL HEAD

INCLUDED WITH THE GR-9 TERMINALS ON THE APPROVED PRODUCTS LIST.

BE FROM THE VDOT APPROVED PRODUCTS LIST. STANDARD MB-3 TERMINAL OPTIONS ARE

MEETING NCHRP 350 OR MASH TESTING CRITERIA. ANY TERMINAL USED FOR THE GR-9 SHALL

TANGENT END TERMINAL (GR-9) SHALL BE A VDOT APPROVED PRODUCT

D. HEIGHT MEASURED AT TOP OF W-BEAM IS 27ƒ" MIN. - 28ƒ" MAX.

SHOWN ABOVE REGARDLESS OF ADJACENT TRAFFIC DIRECTION.

C. DO NOT CHANGE THE LAPPING OF TERMINAL FOR ANY INSTALLATIONS. INSTALL AS

COLOR OF TAPE SHALL BE AMBER (YELLOW).

APPLICATION FOR DIAGONAL STRIPES ON OBJECT MARKERS AND BRIDGE END PANELS.

B. DIRECTION OF THE REFLECTIVE TAPE ON THE TERMINAL HEAD SHALL CONFORM TO MUTCD

WAY IS LIMITED, THE OFFSET CAN BE DECREASED AS DIRECTED BY THE ENGINEER.

TERMINAL HEAD FROM ENCROACHING ON THE SHOULDER FOR 3R WORK WHERE RIGHT OF

WITH A 1 FT. OFFSET ACCOMPLISHED WITH A 50:1 FLARE TO PREVENT THE GUARDRAIL

A. ALL STANDARD GR-9 TERMINALS (SIMILAR TO AS SHOWN ABOVE) SHALL BE INSTALLED

INSTRUCTIONS AND THE FOLLOWING VDOT REQUIREMENTS:

ALL TERMINALS SHALL BE INSTALLED ACCORDING TO THE MANUFACTURER'S INSTALLATION

MANUFACTURER'S PLANS FOR THIS INFORMATION.

INFORMATION NOT SHOWN WILL VARY FOR EACH MANUFACTURER. SEE INDIVIDUAL

THIS DRAWING IS REPRESENTATIONAL ONLY. DETAILS, DIMENSIONS, QUANTITIES, AND OTHER




REFERENCE

SPECIFICATION

REQUIREMENTS FOR GR-9

GUARDRAIL TERMINAL INSTALLATION SITE PREPARATION

SECTION A-A

SECTION B-B

SITE PREPARATION REQUIREMENTS FOR GR-9

SECTION C-C

DETAIL A

4:1 OR FLATTER

HINGE POINT

B

B

EXISTING SLOPE

15:1 TAPER

5’-0"

HINGE POINT

3R WORK ONLY

(SEE NOTE 4)

GR-9 TERMINAL

HINGE POINT

3:1 OR FLATTER

A

TRANSITION TO EXISTING SLOPE AT HINGE GRADE TO MATCH

10:1 S

LO

PE

(S

EE

NO

TE 1)

STANDARD GR-2

NOTES:

SLOPE HINGE POINT

SLOPE HINGE POINT

SLOPE

EXIST. DITCH

AGGREGATE

21 B

3R WORK ONLY

(SEE NOTE 3)

(SEE NOTE 2)

2’-0"

1.

2.

3.

4.

5.

6.

2’-

0"

MIN.

C

C

(SEE NOTE 2)

10’-0"

(SEE NOTE 5)

10:1 TAPER

A

(SEE NOTE 5)MIN.

5’-

0"

25’-0"

SEE DETAIL A FOR 3R WORK ONLY

(SEE NOTE 2)

MIN.

SLOPE AT HINGE

TRANSITION TO EXISTING

EXISTING SLOPE

GRADE TO MATCH

(SEE NOTE1)

10:1

MIN.

2’-0"

10:1 (SEE NOTE 1)

(SEE NOTE1)

10:1

GR-9


REVISION DATE

501.17

SHEET 2 OF 2

01/14

4:1 SLOPE TO TOE OF SLOPE

3:1 MAX. SLOPE TO TOE OF SLOPE 4:1 MAX. SLOPE TO TOE OF SLOPE

PROPOSED SLOPE

TRANSITION TO

25’-0"

(SEE NOTE 2)

TO TOE OF SLOPE

4:1 SLOPE OR FLATTER

PRECEDENCE OVER THIS STANDARD.

FOR PROPRIETARY GUARDRAIL TERMINALS THE MANUFACTURER’S SITE PREPARATION REQUIREMENTS TAKE

THE TAPER FOR NEW CONSTRUCTION WILL BE 15:1. FOR 3R WORK THE MINIMUM ALLOWABLE TAPER IS 10:1.

SUITABLE MATERIAL AS APPROVED BY THE ENGINEER, AT ROADWAY SHOULDERS.

WITHOUT EXTENDING THIS SLOPE BEYOND THE DITCH BOTTOM. USE 21B AGGREGATE, OR OTHER

GRADED SLOPE INTO THE EXISTING DITCH SLOPE TO COVER THE FOUNDATION TUBES AND SOIL PLATES

SLOPE EXTENDING A MINIMUM OF 2’-0" BEHIND THE BLOCKED OUT POST. FROM THE HINGE POINT, TIE THE

FOR 3R WORK, THE GRADING SHOULD BE AS CLOSE AS POSSIBLE TO THE NEW CONSTRUCTION WITH

5’-0" BEHIND THE END POST.

FOR NEW CONSTRUCTION AND RECONSTRUCTION THE 10:1 SLOPE GRADING MUST EXTEND A MINIMUM OF

SIMILAR IN CHARACTER TO THE UPSTREAM UNSHIELDED ROADSIDE AREAS.

FROM FIXED OBJECTS. IF A CLEAR RUN OUT IS NOT ATTAINABLE THIS AREA SHOULD AT LEAST BE

THE AREA IMMEDIATELY BEHIND AND BEYOND THE TERMINAL SHOULD BE TRAVERSABLE AND FREE

TO THE HINGE POINT, AS SHOWN, IS REQUIRED.

THE SUPERELEVATION OF THE ROADWAY PAVEMENT, THE MINIMUM OFFSET FROM BEHIND THE POST

ITS FULL LENGTH, MUST BE 10:1. IF THE EXISTING GRADE IS FLAT OR IS A POSITIVE SLOPE DUE TO

THE CROSS SLOPE OF THE GRADE APPROACHING THE GUARDRAIL TERMINAL, AND ADJACENT TO FOR




GUARDRAIL AT LOW-FILL CULVERTS


REFERENCE

SPECIFICATION

505

221

GR-10


REVISION DATE

501.19

SHEET 2 OF 2

DIRECTION OF TRAFFIC

25’-0" MIN.

ST’D. GUARDRAIL POST



OF SKEW

DEGREE

WIDTH

PERPENDICULAR

25’-0" MIN.

WITH DOUBLE BLOCKOUTS

CRT POST

6’-

0"

1’-

4"

CULVERT

BOX

CRT WOOD POST

6" x 8" x 6’-0"

8"

END TREATMENT.

APPROVED TERMINAL

ST’D. GR-2 AND

25’-0" MIN.

25’-0" MIN.

POST


ST’D. GUARDRAIL

LIMITS OF PAYMENT FOR ST’D. GR-10

END TREATMENT.

APPROVED TERMINAL

ST’D. GR-2 AND

50’-0" MIN.

ST’D. GR-2

END TREATMENT.

APPROVED TERMINAL

ST’D. GR-2 AND

50’-0" MIN.

PLAN

PLAN

LIMITS OF PAYMENT FOR ST’D. GR-10 50’-0" MIN.50’-0" MIN.

RUN-OFF TREATMENT).

USE APPROPRIATE

(FOR A 4 LANE ROADWAY

NOTE:

A

ST’D. GR-2

END TREATMENT.

APPROVED TERMINAL

ST’D. GR-2 AND

END TREATMENT.

APPROVED TERMINAL

ST’D. GR-2 AND

END TREATMENT.

APPROVED TERMINAL

ST’D. GR-2 AND

SKEWWIDTH (FEET)

MAX. PERPENDICULAR

0°

5°

10°

15°

20°

25°

30°

35°

40°

45°

22.90

22.60

22.10

21.40

20.60

19.60

18.40

17.10

23.00

15.60

TYPE III-THREE POSTS OMITTED

NOTES:

GR-2, 2A.

SEE STANDARD

AND BLOCKOUTS,

GUARDRAIL POSTS

FOR DETAILS OF

CULVERT

BOX

CULVERT

BOX

CULVERT

BOXGRADE

FINISHED

OMITTED TOP VIEW

THREE POSTS

TWO SECTIONS OF W-BEAM ONE SET INSIDE THE OTHER (NESTED)

W-BEAMS.

TWO NESTED

NESTED W-BEAMS.

ST’D. GR-2 WITHNESTED W-BEAMS.

ST’D. GR-2 WITH

TWO SECTIONS OF W-BEAM ONE SET INSIDE THE OTHER (NESTED)

25’-0" MIN.

NESTED W-BEAMS.

ST’D. GR-2 WITH

25’-0" MIN.

NESTED W-BEAMS.

ST’D. GR-2 WITH

DEFLECTION

DYNAMIC

MIN 5’-0"

DEFLECTION

DYNAMIC

MIN 5’-0"

A

A A

A A

A A

A A

A

9"

9"

9"

9"

9"

9"

9"

9"

9"

9"

*

*

CLOSEST POINT OF POST TO STRUCTURE.

"A" THE MINIMUM ALLOWABLE DISTANCE BETWEEN

MIN.

50’-0"

SEE NOTE 4

NOTE 5

SEE

NOTE 5

SEE

NOTE 4

SEE

50’-0" MIN.

NOTE 5

SEE

NOTE 5

SEE

BOX CULVERT

6.

5.

4.

3.

2.

1.

TYPE III THREE POSTS OMITTEDTWO WAY TRAFFIC

ELEVATION

TYPE III THREE POSTS OMITTEDONE WAY TRAFFIC

ELEVATION

AND BE BOLTED TOGETHER USING ONE SET OF BOLTS AT EACH SPLICE.

ALL SPLICES IN NESTED W-BEAM SECTIONS MUST COINCIDE AT A COMMON POINT

6"x8"x14" WOOD OR RECYCLED MATERIAL BLOCKOUTS.

TWO NESTED W-BEAM GUARDRAILS, CRT WOODPOST, 6’-3" SPACING, WITH TWO

MAXIMUM).

TWO NESTED W-BEAM GUARDRAILS, SEE TABLE FOR ALLOWABLE WIDTHS (25’-0"

GUARDRAIL POST SPACING SHALL BE IN ACCORDANCE WITH STANDARD GR-2.

ACCORDANCE WITH SECTION 221 OF THE SPECIFICATIONS.

SPECIFICATIONS. MATERIAL REQUIREMENT FOR COMPONENTS SHALL BE IN

GUARDRAIL INSTALLATION SHALL BE IN ACCORDANCE WITH SECTION 505 OF THE

FILL ABOVE THE TOP SLAB OF THE BOX CULVERT IS LESS THAN 4’-0".

THIS SHEET IS APPLICABLE WHEN GUARDRAIL IS REQUIRED AND THE DEPTH OF

2’-

4�

"

7/11




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REFERENCE

SPECIFICATION



REVISION DATE

.

SHEET 1 OF 1

TITLE

STANDARD



ALL STRUCTURAL STEEL, INCLUDING BOLTS, NUTS, AND WASHERS SHALL BE

GALVANIZED.

TESTS HAVE SHOWN THAT ALTHOUGH THIS RAIL DEFLECTS HORIZONTALLY

TWO OR THREE FEET, ADEQUATE VEHICLE CONTAINMENT AND RE-DIRECTION

IS ACHIEVED. THE RESULTING MORE GRADUAL DECELERATION THUS PRODUCES

A SAFER CONDITION THAN AFFORDED BY OTHER BRIDGE RAILINGS.

DETAILS ON THIS SHEET ARE TO BE USED FOR BOTH STRAIGHT AND

WELDED NUTS) WITH HEX NUTS AND WASHERS AS SHOWN. THREADED

RODS MAY BE 0.781 MIN. DIAMETER WITH ROLLED THREADS. NUTS SHALL

CONFORM TO A307 REQUIREMENTS AND SHALL BE TAPPED OR CHASED

AFTER GALVANIZING. BOLTS AND NUTS SHALL HAVE CLASS 2A AND 2B FIT

MAY BE FOUND IN RESEARCH REPORT 230-1, "TUBULAR W-BEAM BRIDGE RAIL",

OF RESEARCH STUDY 2-5-78-230 "BRIDGE RAIL TO CONTAIN HEAVY TRUCKS

AND BUSES", TEXAS TRANSPORTATION INSTITUTE, OCTOBER 1978.

APPROACH GUARDRAIL POSTS SHALL BE SPACED AT 6'-3" ADJACENT TO THE

CONDUCTED IN ACCORDANCE WITH NCHRP REPORT 153. TEST DOCUMENTATION

THIS RAIL HAS BEEN SUCCESSFULLY EVALUATED BY FULL SCALE IMPACT TESTS

FOR DETAILS OF GUARDRAIL, SEE GR-2 OF THE ROAD AND BRIDGE

STANDARDS.

RAIL POSTS MAY BE VERTICAL OR PERPENDICULAR TO ADJACENT ROADWAY

GRADE AND CROSS SLOPE. TOP OF PEDESTAL SHALL BE SLOPED AS

NECESSARY FOR PERPENDICULAR INSTALLATION.

SKEWED BOXES.

FOR DETAILS OF BOX CULVERTS, SEE THE BOX CULVERT STANDARDS.

THIS SHEET IS APPLICABLE WHEN GUARDRAIL IS REQUIRED AND THE DEPTH

OF FILL ABOVE THE TOP SLAB OF THE BOX CULVERT IS LESS THAN 3'-7".

DETAILS SHOWN ARE FOR INSTALLATION ON NEW BOX CULVERTS. INSTALLATION

OF PEDESTALS ON EXISTING BOX CULVERTS SHALL BE IN ACCORDANCE WITH

PLACED BETWEEN 3 AND 6 INCHES FROM THE EDGE OF THE PEDESTAL.

TOLERANCES. BOLTS SHALL BE EMBEDDED 8" INTO THE CONCRETE.

1'-

9"

LONGITUDINAL SECTION

C

PLAN

6'-3"

9"

MINIMUM

9"

MINIMUM

6'-3" SPACING AS NECESSARY 6'-3"

RAIL POST & PEDESTAL

NOTE: MAINTAIN 6'-3" POST SPACING WHEREVER POSSIBLE

FOR USE WITH 25' STANDARD RAIL SECTION. SYMMETRY

OF POST SPACING IS NOT NECESSARY.

END OF BOX

CULVERT END OF BOX

CULVERT

THE GUARDRAIL INSTALLATION SHALL CONFORM WITH SECTION 505 OF THE

THE CONTRACTOR SHALL DETERMINE THE NUMBER OF PEDESTALS REQUIRED FOR

GUARDRAIL INSTALLATION ACROSS THE BOX, PEDESTAL HEIGHT AND DIMENSIONS

(CLASS A4) AND REINFORCING STEEL USED IN THE PEDESTALS SHALL BE FIELD

OF THE BR SERIES REINFORCING BARS. THE QUANTITY OF CONCRETE

VERIFIED AND PAID FOR AT THE UNIT PRICE BID FOR THE CORRESPONDING

BOX QUANTITIES. THE RAILING (TEXAS T-6) SHALL BE MEASURED IN 25 FT.

SECTIONS AND PAID FOR AT THE CONTRACT UNIT PRICE PER LINEAR FOOT

BR SERIES BARS SHALL BE 5 IN SIZE.

INSTALLATION.

PRECAST BOXES SHALL BE TREATED AS AN EXISTING BOX FOR PEDESTAL

STANDARD BOX CULVERT GUARDRAIL

GENERAL NOTE:

BRIDGE DIVISION

AND

STRUCTURE

TUBULAR GUARD RAIL SHALL BE FURNISHED AND INSTALLED IN 25 FT.

SECTIONS. TUBULAR RAIL MEMBER SHALL BE EXTENDED AND CONNECTED TO AT

MORE SUCH POSTS SHALL BE USED TO UTILIZE 25 FT. STANDARD SECTIONS.

LEAST THE FIRST SOIL EMBEDDED POST AT EACH END OF THE STRUCTURE.

TUBULAR RAIL SINCE ITS FLEXIBILITY IS SIMILAR TO THE STANDARD METAL

BEAM GUARDRAIL. DO NOT INSTALL ADDITIONAL POSTS AT 3'-1•" CENTERS.

FULLY ANCHORED GUARDRAIL MUST BE ATTACHED AT BOTH ENDS OF TUBULAR RAIL.

OANCHOR BOLTS SHALL BE ‡" A307 (OR A36 THREADED RODS WITH TACK

SPECIFICATIONS.

CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE

#

TESTED - NCHRP 350 TEST LEVEL 2

DESIGN SPEED IS 45 MPH OR LESS.

THIS UNIT IS ONLY TO BE USED WHEN

(TEXAS T-6)

REFERENCE

SPECIFICATION



SHEET 1 OF 3

501.22

REVISION DATE

BGR-01

IN ACCORDANCE WITH SECTION 410 OF THE SPECIFICATIONS.

SEC. 412 OF THE SPECIFICATIONS EXCEPT THAT DOWELS SHALL BE



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ÿÿÿÿÿ ÿs�ùßÁd|œ?‚ÿßÁ Ï/QÿCýßÁ�¡WŒ’úßÁÿÿÿŸ��€ÿÿÿÿÿ¢“•?ÿßÁ�\tH}ýßÁ ßÁ�\ôà"þßÁ +&�€ÿÿÿÿœJ�€ÿÿÿÿ��€ÿÿÿÿ^��€ÿÿÿÿÿÿÿ ßÁei�5;ûßÁ


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SEE NOTE 6C

SECTION C-C

SEE NOTE 6

NEW BRIDGES - ATTACHMENTS

EXISTING BRIDGE ATTACHMENTS AS SHOWN ON PLANS.

ELEVATION

RUN ON

PLAN

A

B

1 2

3 4

5

7 8 9

SECTION A-A SECTION B-B

B

A

C I

MATERIAL/SPECIFICATIONS/NOTESITEM

STANDARD W-BEAM RAIL

5

6

7

9

8

10

4

3

2

1

4

7

4

5 6

58

53

1 2 3 4

12

10

1

9

10

1’-0"

4’-0"

5"

9"

7’-

6"

6’-

0"

9"

WASHER FOR �" BOLT

4 SPACES AT 1’-6�" 4 SPACES AT 3’-1�"

1�

"

1�

"

BEARING PLATE DETAILS

SEE SHEET 3 OF 3 FOR

ONE SET INSIDE THE OTHER

TWO SECTIONS OF W-BEAM

STANDARD GR-FOA-1 TYPE I

FIXED OBJECT ATTACHMENT

ONE WAY TRAFFIC - RUN-ON, 2-GR-FOA-1, TYPE I

- RUN-OFF, 2-GR-FOA-1, TYPE II

TWO WAY TRAFFIC - RUN-ON, 4-GR-FOA-1, TYPE I

ONE SET INSIDE THE OTHER.


SURFACE STRUCTURE

WALL OR OTHER FLAT

VERTICAL BRIDGE TERMINAL

STANDARD 6" x 8" WOOD POST AND BLOCK

STANDARD W-BEAM TERMINAL CONNECTOR

1.

2.

3.

4.

5.

6.

7.

8.

SEE NOTE 8.

COMMON NAIL.

GALV. STEEL 10D

(TYPE )

6

9WITH WASHERS.

ANCHOR BOLT 6" LONG

THREE �" DIA. EXP.

BLOCK OR RECYCLED MATERIAL

8" X 8" X 14" LONG TREATED PINE

8" X 8" X 7’-6" LONG WOOD POST &

END TREATMENT

GR-2 OR TERMINAL

MIN. 4 SPACES

NUT (SEE ST’D. GR-HDW)

�" X 2" LONG GUARDRAIL BOLT & RECESSED

(SEE ST’D. GR-HDW)

RECTANGULAR PLATE WASHER

(SEE SHEET 3 OF 3)

BENT PLATE RUBRAIL

(SEE SHEET 3 OF 3)

C6 X 8.2 RUBRAIL

1

FOR USE BETWEEN VERTICAL FIXED OBJECTS AND GUARDRAIL (WOOD POSTS)

W-BEAM GUARDRAIL - FIXED OBJECT ATTACHMENT


505

REFERENCE

SPECIFICATION

GR-FOA-1


REVISION DATE

501.25

SHEET 1 OF 3

27�

"MIN

28�

"M

AX

27�

"MIN

28�

"M

AX

27�

"

MIN.

28�

"

MA

X.

6’-9�"

RECESSED NUT

�" X 18" LONG GUARDRAIL BOLT AND

SEE NOTES 4 & 5.

BOLT & NUT.

�" GUARDRAIL

REFER TO STANDARD MC-4.

IF ASPHALT CURB REQUIRED,

BLOCKOUT DETAILS.

SEE SHEET 3 OF 3 FOR RUBRAIL

�" X 18 BOLT IS INSTALLED.

BOTTOM OF THE BLOCKOUT AFTER

DRIVE NAIL WITHIN 2" OF THE TOP OR

THE BRIDGE PARAPET OR TERMINAL WALL.

�" BEARING PLATE ON THE BACK SIDE OF

USED WITH THRU DRILLED HOLES AND A

A449 HEX BOLTS WITH WASHERS MUST BE

APPROPRIATE LENGTH �" DIAMETER ASTM

(LENGTH AS REQUIRED).

AND SECURED WITH �" GUARDRAIL BOLTS

POSTS 1 THROUGH 4 ARE CENTER DRILLED

BOTTOM WOOD BLOCKS LOCATED ON

POSTS 2 AND 4.

RUBRAIL. RUBRAIL IS NOT BOLTED TO

ITIONAL HOLE TO ATTACH BLOCKS AND/OR

POSTS 1, 2, 3, 4, AND 5 REQUIRE AN ADD-

BRIDGE STANDARDS.

ACCORDANCE WITH VDOT ROAD AND

GUARDRAIL COMPONENTS SHALL BE IN

ACCEPT FULL IMPACT LOADING.

MUST BE OF ADEQUATE STRENGTH TO

BRIDGE RAIL ENDS AND BRIDGE PARAPETS

WITH VERTICAL FACE.

OR OTHER FLAT SURFACED STRUCTURES

RAILS, ABUTMENTS, PIERS, RETAINING WALLS,

FIXED OBJECTS MAY CONSIST OF BRIDGE

NOTES:

SEE SHEET 3 OF 3.)

TYPE II RUN-OFF DETAILS,

(FOR STANDARD GR-FOA-1,

WASHER

BOLT 6" LONG WITH

�" DIA. EXP. ANCHOR

BOLT 6" LONG


5�"

01/14




PLAN

(TYPE I)A

SECTION A-A SECTION B-B SECTION C-C

543

2

76 8 9

ELEVATION

B

CB

1 2 3 4

3 5 6 4 5 4 5

758

1

2

1

2

3

4

5

6

7

8

1’-0"

4’-0"

6"

5"

6’-

0"

9"

7’-

6"

9"

1�

"

1�

"

SEE NOTE 6

SEE NOTE 6

NEW BRIDGES - ATTACHMENTS

MATERIAL/SPECIFICATIONS/NOTESITEM


4 SPACES AT 1’-6�" 4 SPACES AT 3’-1�"

BEARING PLATE DETAILS




ONE WAY TRAFFIC - RUN-ON, 2-GR-FOA-1, TYPE I

- RUN-OFF, 2-GR-FOA-1, TYPE II


BENT PLATE RUBRAIL

(SEE SHEET 3 OF 3)

C6 X 8.2 RUBRAIL

(SEE SHEET 3 OF 3)

1.

2.

3.

4.

5.

6.

7.

C A

�" X 2" LONG GUARDRAIL BOLT &

GR-HDW)

RUN ON

9

9

1

9

WITH WASHERS.

ANCHOR BOLT 6" LONG

THREE �" DIA. EXP.

1



FOR USE BETWEEN VERTICAL FIXED OBJECTS AND GUARDRAIL (STEEL POSTS)

W-BEAM GUARDRAIL-FIXED OBJECT ATTACHMENT

505

REFERENCE

SPECIFICATION


GR-FOA-1


SHEET 2 OF 3

501.26

REVISION DATE

27�

"MIN

28�

"M

AX

27�

"MIN

28�

"M

AX

27�

"

MIN.

28�

"

MA

X.

6’-9�"

OR RECYCLED MATERIAL

ST’D. 6X8X14" LG. TREATED PINE BLOCK

ST’D. W6X8.5 OR W6X9 STEEL POST

PINE BLOCK OR RECYCLED MATERIAL

STANDARD 6" X 8" X 14" LONG TREATED

W8 X 13 X 7’-6" LONG STEEL POST WITH

RECESSED NUT

�" X 10" LONG GUARDRAIL BOLT &

SEE NOTES 4 & 5

BOLT AND NUT.

�" GUARDRAIL

TWO WAY TRAFFIC - RUN-ON, 4-GR-FOA-1, TYPE I

SURFACE STRUCTURE

WALL OR OTHER FLAT

VERTICAL BRIDGE TERMINAL



SEE SHEET 3 OF 3)



REFER TO STANDARD MC-4


DETAILS.

SEE SHEET 3 OF 3 FOR RUBRAIL BLOCKOUT

THE BRIDGE PARAPET OR TERMINAL WALL.

�" BEARING PLATE ON THE BACK SIDE OF

USED WITH THRU DRILLED HOLES AND A

A449 HEX BOLTS WITH WASHERS MUST BE

APROPRIATE LENGTH �" DIAMETER ASTM


SECURED WITH �" GUARDRAIL BOLTS

1 THROUGH 4 ARE CENTER DRILLED AND

BOTTOM WOOD BLOCKS LOCATED ON POSTS

POSTS 2 AND 4.

RUBRAIL. RUBRAIL IS NOT BOLTED TO

ITIONAL HOLE TO ATTACH BLOCKS AND/OR


BRIDGE STANDARDS.






WITH VERTICAL FACE.

OR OTHER FLAT SURFACED STRUCTURES

RAILS, ABUTMENTS, PIERS, RETAINING WALLS,

FIXED OBJECTS MAY CONSIST OF BRIDGE

NOTES:

BOLT 6" LONG


WASHER

BOLT 6" LONG WITH


01/14




54

57

108

53

12

5,6

(W BEAM OMITTED)

1 2

3 4 5 6 7 8 9

1 2 3 4

C

D A

B

C A

SEE NOTE 7

ITEM

1

2

3

4

5

6

7

8

10

11

MATERIAL/SPECIFICATIONS/NOTES

11

9

9

4 SPACES @ 1’-6�" 4 SPACES @ 3’-1�"

7"

4’-0"

1’-0"

5"

9"

6’-

0"

7’-

6"

9"

WASHER FOR �" BOLT

1�"

1�"

6�

"

8�

"

BD

4

CONCRETE BARRIER

BRIDGE PARAPET OR

SAFETY-SHAPE

ONE-WAY TRAFFIC-RUN-ON, 2-GR-FOA-2, TYPE I

NEW BRIDGE - ATTACHMENTS

-RUN-OFF, 2-GR-FOA-2, TYPE II

TWO-WAY TRAFFIC-RUN-ON, 4-GR-FOA-2, TYPE I

PLANS.

EXISTING BRIDGE ATTACHMENTS AS SHOWN ON STANDARD W-BEAM TERMINAL CONNECTOR

RECESSED NUT.

�" X 18" LG. GUARDRAIL BOLT AND

STANDARD 6" X 8" WOOD POST AND BLOCK.


RUN ON (TYPE I)

5�"

9

11


1

1

(SEE STANDARD GR-HDW)


BENT PLATE RUBRAIL (SEE SHEET 3 OF 3)

C6 X 8.2 RUBRAIL (SEE SHEET 3 OF 3)

SECTION A-A SECTION B-BSECTION C-C

SECTION D-D

ELEVATION

PLAN

FOR USE BETWEEN SAFETY SHAPE AND GUARDRAIL (WOOD POSTS)


NOTES:

2.

3.

4.

5.

6.

7.

1.

8.

505

REFERENCE

SPECIFICATION


GR-FOA-2


SHEET 1 OF 3

501.28

REVISION DATE

NUT (SEE STANDARD GR-HDW)

�"X 2" LONG GUARDRAIL BOLT AND RECESSED

(SEE SHEET 3 OF 3)

WOOD BLOCKOUT FOR RUBRAIL


8" X 8" X 14" LONG TREATED PINE BLOCK

8" X 8" X 7’-6" LONG WOOD POST AND

27�

"MIN

28�

"M

AX

27�

"MIN

28�

"M

AX

27�

"

MIN.

28�

"

MA

X.

6’-9�"

2

STANDARD GR-FOA-2 TYPE IBEARING PLATE DETAIL




GALV. PIPE

SCHEDULE 40,

6" I.D. X 9" LONG,

STEEL SPACER TUBE

WITH WASHERS

ANCHOR BOLTS 6" LONG

THREE �" EXPANSION

WITH WASHER

LAG BOLT

�" X 3"



SEE NOTE 8.

COMMON NAIL.

GALV. STEEL 10D

SEE NOTES 4 & 5

BOLT AND NUT.

�" GUARDRAIL

SEE SHEET 3 OF 3.)



REFER TO STANDARD MC-4.

IF ASPHALT CURB REQUIRED

TREATMENT

OR TERMINAL END

MIN. 4 SPACES GR-2

01/14

DETAILS.


BOLT IS INSTALLED.

BOTTOM OF BLOCKOUT AFTER �" X 18

DRIVE NAIL WITHIN 2" OF THE TOP OR

PARAPET OR CONCRETE BARRIER.

PLATE ON THE BACK SIDE OF THE BRIDGE

THRU DRILLED HOLES AND A �" BEARING

BOLTS WITH WASHERS MUST BE USED WITH

APPROPRIATE LENGTH �" ASTM A449 HEX

HAND TWISTS WILL BE NECESSARY.

MAY BE REQUIRED. RIGHT HAND AND LEFT

SECTION C-C AND D-D. SHOP FABRICATION

RUBRAIL MUST BE TWISTED 35° BETWEEN


AND SECURED WITH �" GUARDRAIL BOLTS.



TO POSTS 2 AND 4.

AND/OR RUBRAIL. RUBRAIL IS NOT BOLTED

ITIONAL HOLE TO ATTACH LOWER BLOCKS


BRIDGE STANDARDS.






BARRIERS.

SHAPED BRIDGE PARAPETS OR CONCRETE

FIXED OBJECTS MAY CONSIST OF SAFETY

9.




SECTION A-ASECTION B-B SECTION C-C SECTION D-D

(W BEAM OMITTED)

ELEVATION1 2

3 4 5 6 7 8 9

1 2 3 4

C

D A

B

C A

PLAN

SEE NOTE 7

ITEM MATERIAL/SPECIFICATIONS/NOTES

4 SPACES @ 1’-6�" 4 SPACES @ 3’-1�"

7"

1’-0"

9"

6’-

0"

7’-

6"

9"

1�"

1�"

6�

"

8�

"

NOTES:

BEARING PLATE DETAIL


SEE SHEET 3 OF 3)



BD

GALV. PIPE

SCHEDULE 40,

6" I.D. X 9" LONG,

STEEL SPACER TUBE

CONCRETE BARRIER

BRIDGE PARAPET OR

SAFETY-SHAPE

ONE-WAY TRAFFIC-RUN-ON, 2-GR-FOA-2, TYPE I

NEW BRIDGE - ATTACHMENTS

-RUN-OFF, 2-GR-FOA-2, TYPE II

TWO-WAY TRAFFIC-RUN-ON, 4-GR-FOA-2, TYPE I


RECTANGULAR PLATE WASHER (SEE STANDARD

GR-HDW)

2.

3.

4.

5.

6.

7.


1.

RUN ON (TYPE I)

5�"

WITH WASHERS

ANCHOR BOLTS 6" LONG


9"

NUT (SEE STANDARD GR-HDW)

BENT PLATE RUBRAIL (SEE SHEET 3 OF 3)

C6 X 8.2 RUBRAIL (SEE SHEET 3 OF 3)

END TREATMENT

OR TERMINAL

MIN. 4 SPA. GR-2

4’-0"

5"

WITH WASHER

LAG BOLT

�" X 3"






4 & 5

SEE NOTES

BOLT, & NUT.

�" GUARDRAIL

THE OTHER

ONE SET INSIDE

OF W-BEAM

TWO SECTIONS


505

REFERENCE

SPECIFICATION


REVISION DATE

501.29

SHEET 2 OF 3

GR-FOA-2

FOR USE WITH SAFETY SHAPE - (STEEL POSTS)

27�

"MIN

28�

"M

AX

27�

"MIN

28�

"M

AX

27�

"

MIN.

28�

"

MA

X.

6’-9�"

RECYCLED MATERIAL.

6" X 8" X 14" LG. TREATED PINE BLOCK OR

W8 X 13 X 7’-6" LG. STEEL POST WITH STD.

(SEE SHEET 3 OF 3)


NUT

�" X 10" LONG GUARDRAIL BOLT AND RECESSED

�" X 2" LONG GUARDRAIL BOLT AND RECESSED


ST’D. 6" X 8" X 14" LG. TREATED PINE BLOCK

ST’D. W6 X 8.5 OR W6 X 9 STEEL POST W/

1

2

PLANS.

EXISTING BRIDGE ATTACHMENTS AS SHOWN ON

3

4

5

6

7

8

9

10

9

108

1

8

4

6

1

8343

4

10

97

54

42


IF ASPHALT CURB REQUIRED

01/14

DETAILS.


PARAPET OR CONCRETE BARRIER.

PLATE ON THE BACK SIDE OF THE BRIDGE

THRU DRILLED HOLES AND A �" BEARING

BOLTS WITH WASHERS MUST BE USED WITH

APPROPRIATE LENGTH �" ASTM A449 HEX

HAND TWISTS WILL BE NECESSARY.

MAY BE REQUIRED. RIGHT HAND AND LEFT

SECTIONS C-C AND D-D. SHOP FABRICATION

RUBRAIL MUST BE TWISTED 35° BETWEEN


AND SECURED WITH �" GUARDRAIL BOLTS.



TO POSTS 2 AND 4.

AND/OR RUBRAIL. RUBRAIL IS NOT BOLTED

ITIONAL HOLE TO ATTACH LOWER BLOCKS


BRIDGE STANDARDS.






BARRIERS.

SHAPED BRIDGE PARAPETS OR CONCRETE

FIXED OBJECTS MAY CONSIST OF SAFETY

8.




ELEVATION

PLAN

ITEM 7 DETAIL

ITEM 8 DETAIL

RUBRAIL AND HARDWARE DETAILS

BEARING PLATE ITEM 10 DETAIL

RUBRAIL BLOCKOUT DETAIL


14

�"

�"

�"

7�"

3"2"

RAD.

TYP.

TYP. 2 PLACES

11"

10"

3"3"

5�"

4�

"

SPACING MAX.

TYPE II

RUN-OFF

ONE WAY TRAFFIC

Typ. 2 plcs.

121

�"

�"

�"

2"

3"

3" 3"

�"

�"

1"

3’-1�"

4"

1�"

1�"

1�"

6’-11"

3’-0"

3’-1�"

6"

2’-0"

5"

8"

�" ASTM A36M PLATE

1�"

1�

"3�

"3�

"

4" 4"

2�"

3�"

6’-3" 3’-1�"3’-1�"

1�

"

5’-6"

3’-3"

C6x8.2

NOTES:

�"

6�

"

TYP.

RAD.

�"

�"x2�" (Typ.)

POST BOLT SLOTS

(TYP. 4 PLACES)

DRILL 1 �" DIA. HOLE

SIDE OF THE ROADWAY THE TRANSITION IS USED.

HAND MUST BE SPECIFIED DEPENDING ON WHICH

IF SHOP CUT AND BENT, RIGHT HAND OR LEFT

CAN BE FIELD CUT AND BENT USING HEAT.

(SEE NOTE 1)

SHOWN AND WELD

BEND WEB AS

TRIM FLANGES,

TYP. 2 PLACES

�" DIA.

7"

3�

"1"

4" THICKNESS

RUBRAIL BLOCKOUTS

7" X 4" X THICKNESS

POST THICKNESS

1 6�"

2 4�"

3

4

1.

(TYP.)

DIAMETER HOLE

DRILL THRU �" 3"2"

3�"

1�"

CONNECTOR

TERMINAL

STD. W-BEAM

RUBRAIL BLOCKOUTS

7" X 4" X THICKNESS

POST THICKNESS

1 4�"

2 3�"

3

4

2"

1"

STEEL POSTS WOOD POSTS

STD. GUARDRAIL

THICKNESS X 9’-11"

1 1�" X 10 GA.

DRILL THRU �" DIA. HOLE

TERMINAL CONNECTOR.

AS NEEDED TO ATTACH W-BEAM

*

*

�"x1�" (TYP.)

SPLICE BOLT SLOTS

505

REFERENCE

SPECIFICATION



SHEET 3 OF 3

501.30

REVISION DATE

BARRIER AND ATTACH FLUSH TO SLOPE.

THE SLOPE OF THE PARAPET OR

FABRICATE TO BE CONSISTANT WITH

(SEE NOTE 1)

BEND AND WELD.

CUT FLANGE,

STANDARD GR-FOA-2 TYPE II

RUN-OFF FIXED OBJECT ATTACHMENT

INDICATES EXTRA POST REQUIRED FOR

01/14

GR-FOA-2 & 4




1.

2.

3.

4.

5.

TYPE I

TYPE II

TYPE III

8�"

1 2 3 4 5 6 8 9

C

C

D

D

A

A

B

B

POST THICKNESS

4�"

2"

1"

ITEM


(W-BEAM OMITTED)

1

2

3

4

4 SPACES AT 1’-6�"

6"

4’-0"

6’-

0"

6’-

0"

9"

1�"

7" x 4"

3�"

9"

4 SPACES AT 3’-1�"

1 432

TRAVEL LANE (RUN-ON)

TRAVEL LANE (RUN-ON)



TWO RUN-ON SECTIONS (WITH 2 RUBRAILS SHOWN)

ONE RUN-OFF SECTION (WITH 1 RUBRAIL REMOVED)

TWO RUN-OFF SECTIONS (WITH 2 RUBRAILS REMOVED)

WOOD BLOCKS

RUBRAIL

MATERIALS/SPECIFICATIONS/NOTES ITEM MATERIALS/SPECIFICATIONS/NOTES

(SEE SHEET 2 OF 2)

C6 x 8.2 RUBRAIL

(SEE SHEET 2 OF 2)


6�"TYP.

PLAN

ELEVATION

SECTION A-A SECTION B-B

SECTION C-C SECTION D-D

7

BARRIER-FIXED OBJECT ATTACHMENT

BLOCKED-OUT W-BEAM MEDIAN


505

REFERENCE

SPECIFICATION

GR-FOA-4


REVISION DATE

501.31

SHEET 1 OF 2

(FOR USE BETWEEN STANDARD MB-7D AND STANDARD MB-3)

27�

"MIN

28�

"M

AX

27�

"MIN

28�

"M

AX

27�

"

MIN.

28�

"

MA

X.

10’-0"

1’-1"



5"

RECESSED NUT

�" X 2" LONG GUARDRAIL BOLT AND

RECESSED NUT�" x 10" LONG GUARDRAIL BOLT AND

9

ONE RUN-ON SECTION (WITH 1 RUBRAIL RETAINED)

MB-7D

STANDARD

CONC. MEDIAN BARRIER ST’D. MB-7D

ANCHOR BOLTS, 6" LONG


SEE NOTE 5

1

2

3

4

5

6

7

8

9

CYCLED MATERIAL.

TREATED PINE BLOCK OR RE-

POSTS, ST’D. 6" X 8" X 14" LONG

ST’D. W6 X 8.5 OR W6 X 9 STEEL

2 4 4 5 3 4 3 4 4

7 8 4 6

9

1

9

9

9

UNDER NUTS.

NO MORE THAN �" BEYOND NUTS. USE LOCK WASHERS

TERMINAL CONNECTORS ON EACH SIDE. BOLTS TO PROJECT

THE CONCRETE MEDIAN BARRIER ATTACHING THE W-BEAM

WASHERS ARE TO BE USED WITH HOLES DRILLED THROUGH

APPROPRIATE LENGTH �" ASTM A449 HEX BOLTS WITH

(LENGTH AS REQUIRED)

TO BE DRILLED AND SECURED WITH �" GUARDRAIL BOLTS

BOTTOM WOOD BLOCKS LOCATED ON POSTS 1 THROUGH 4 ARE

BOLTED TO POSTS 2 AND 4.

ATTACH LOWER BLOCKS AND/OR RUBRAIL. RUBRAIL IS NOT

POSTS 1, 2, 3, 4 AND 5 REQUIRE AN ADDITIONAL HOLE TO

VDOT ROAD AND BRIDGE STANDARDS.

ALL GUARDRAIL COMPONENTS ARE TO BE IN ACCORDANCE WITH

ALL GUARDRAIL POSTS ARE TO BE STEEL.

NOTES:

USE LOCK WASHER UNDER NUT.

TO PROJECT NO MORE THAN �" BEYOND NUT.

FLANGES & RUBRAILS. LENGTH AS REQ’D. BOLT

POST. �" GUARDRAIL BOLT TO GO THRU BOTH

TO ALLOW OVERLAPPING IN ORDER TO FIT INSIDE

HOLE IN RUBRAIL WILL BE VERTICALLY ELONGATED

STANDARD GR-FOA-4


1

ST’D. MB-3

(SEE STANDARD GR-HDW)


(SEE SHEET 2 OF 2)

BENT PLATE RUBRAIL

�" X 3" LAG BOLT WITH WASHER

SEE NOTE 4.

AND RECESSED NUT.

�" GUARDRAIL BOLT



SCHEDULE 40, GALV. PIPE

STEEL SPACER TUBE 6" I.D. X 9" LONG,

ST’D. W-BEAM TERMINAL CONNECTOR

01/14




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CLSPLICE

VARIABLE

RUN OFF

RUN ON

(TYPE I )(ONE WAY TRAFFIC TYPE II )

ST’D. GUARDRAIL4 SPACES @ 3’-1�"4 SPACES

@ 1’-6�"

D

D

SECTION D-D

CL

SPLICE

505

FOA-CZ

TRANSITION

RUN ON END

GRADE

FINISHED

3’-1�" 3’-1�"

SEE NOTE 4

GUARDRAIL

STANDARD

VARIABLE

WORK ZONE

CONSTRUCTION

1’-1"2’-0"

SERVICE

TRAFFICE BARRIER

SEE NOTE 1

THE OTHER

ONE NESTED INSIDE

TWO SECTIONS W-BEAM

6.

5.

4.

3.

2.

1.


REFERENCE

SPECIFICATION


REVISION DATE

501.33

SHEET 1 OF 1FIXED OBJECT ATTACHMENT METHODS FOR CONSTRUCTION ZONES


SEE NOTE 3

1’-0" MAX.

TERMINAL CONNECTOR

STANDARD W-BEAM

INSTRUCTIONS ON PERMANENT INSTALLATION.

IN CONSTRUCTION ZONES ONLY. REFER TO STANDARD GR-FOA FOR

THESE INSTRUCTIONS APPLICABLE FOR TEMPORARY INSTALLATION

TRAFFIC BARRIER SERVICE CONCRETE.

COST OF TRANSITION TO BE INCLUDED IN PRICE BID PER FOOT OF

FOR OTHER REASONS.

RUN OFF (TYPE II) GUARDRAIL TO BE USED ONLY WHEN REQUIRED

(TYPE I).

FOR TWO-WAY TRAFFIC DESIGN, USE RUN-ON END TRANSITION

LOCKING NUTS.

HEX HEAD MACHINE BOLTS WITH BEVELED WASHERS AND SELF-

AND APPROVED BY THE ENGINEER. ALL BOLTS ARE TO BE �" DIA.

BOLT LENGTHS ARE TO BE ESTABLISHED BY THE CONTRACTOR

DIAMETER NOMINAL PIPE.

HOLES, WHERE SHOWN, SHALL BE FORMED WITH SLEEVES OF 1�"

BARRIER SERVICE

OR CONCRETE

BRIDGE PARAPET

SAFETY-SHAPE

27�

"

MIN.

28�

"

MA

X.

7/11



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221

505

O

P

S

TABLE I

TABLE II

SHOULDER RECOVERABLE

AREA-6:1 SLOPE

S

WIDTH

(P )WIDTH

PAVED SHOULDER

S

OFFSET FROM

TO FACE OF GUARDRAIL

(O)

(O)


OFFSET FROM

S

PAVED SHOULDER

WIDTH

(P )

15’

13’

11’

3’ or 4’

12’

10’

8’

15’

13’

11’

8’

12’

10’

8’

6’

5’

8’

9’

GR-INS

ASPHALT CURB SECTION

CURB

4" ASPHALT

4"

SHOULDER

PAVED

APPROACH

MATERIAL

BACK-UP

CONCRETE

ASPHALT

12’ MINIMUM

1’ TO 2’

TOTAL SHOULDER

(S)

17’ 12’ 14’

(S)

WIDTH

TOTAL SHOULDER

17’ 12’ 14’

6’ or 10’


REFERENCE

SPECIFICATION


REVISION DATE

501.39

SHEET 6 OF 8W-BEAM GUARDRAIL INSTALLATION CRITERIA

OR SHOULDER

TRAVEL LANE

SHOULDER

12’ MINIMUM

BUT NO STEEPER THAN 6:1

SLOPE STEEPER THAN 10:1

SHOULDER HINGE POINT

2’ OR LESS

SHOULDER


VARIES

MEASURING GUARDRAIL HEIGHT ON FRONT SLOPE RELATIVE TO SHOULDER HINGE POINT

OR FLATTER

SLOPE 10:1 EXTENDED

SHOULDER SLOPE

ALIGNED WITH FACE OF CURB

FACE OF GUARDRAIL IS TO BE

* **

*

HEIGHT PER STANDARD GR-2 OR GR-8

5’ 0 2’

7’ 4’


TRAFFIC LANES LEFT OF TRAFFIC

NORMAL GUARDRAIL LOCATION-THROUGH

TRAFFIC LANES RIGHT OF TRAFFIC


GR-2 INSTALLATION WITH CG-3 OR CG-7 CURB

ALIGNED WITH FACE OF CURB.

FACE OF GUARDRAIL IS TO BE

27�

"MIN

28�

"M

AX

27�

"MIN

27�

"MIN

28�

"M

AX

28�

"M

AX

07/15

DESIGN SPEED < 45 MPH USE GR-2

DESIGN SPEED > 45 MPH USE GR-2A

USE GR-2.

DESIGN SPEED < 45 MPH

USE GR-2A

DESIGN SPEED > 45 MPH

EDGE OF TRAVELED WAY


RECOVERABLE SLOPE

GUARDRAIL LOCATION ON

NORMAL GUARDRAIL LOCATION SEE STANDARD MC-4 FOR PAVING UNDER GUARDRAIL.

MANUAL.CLASSIFICATION AS DEFINED IN THE ROAD DESIGN BE IN ACCORDANCE WITH THE ROADWAY FACE OF THE RAIL. THE PAVED WIDTH USED SHALLTHE PAVED SHOULDER MAY BE EXTENDED TO THEPAVED SHOULDER WIDTHS SHOWN ARE MINIMUM.

NOTE:

(SEE NOTE)

(SEE NOTE)

(PAVED & GRADED)

(PAVED & GRADED)

3’ or 4’ 5’

9’

8’

6’

3’ or 4’

3’, 4’ or 6’

0 or 2’

SEE APPENDIX I OF THE ROAD DESIGN MANUAL

OR URBAN DESIGNS WITH SIDEWALK OR SIDEWALK SPACE

FOR GUARDRAIL DESIGN POLICIES USING CURB & GUTTER

5’ 0 2’

7’ 4’0 or 2’

3’, 4’, or 8’

0, 3’, or 4’

0 or 3’

3’, 4’, or 10’



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221

505

MB-3

STANDARD MB-3 POST SPACING IS 6'-3".

W BEAM BACK UP PLATE, AND ASSOCIATED HARDWARE

SEE SHEET NO. 501.01.

POST, AND BLOCKOUTS ARE TO BE GALVANIZED.

BOLT

ALL HOLES IN POST

AND BRACKET TO

STEEL POST

METHOD OF TREATMENT AT BRIDGE PIER OR MEDIAN OBSTRUCTION

GAL. STEEL

10D COMMON

NAIL (DRIVE

SOUTHERN

PINE

POST TO BE

6'-3"6'-3"

FLARE RATE SEE TABLE.

FLARE RATES

DESIGN

SPEED SHY LINE

INSIDE

SHY LINE

BEYOND

MPHSHY

LINERATE

FLARE FLARE

RATE

50

40

30

30:1

26:1

21:1

13:1 7:1

8:1

11:1

14:1

15:1

BOLT

6'-

0"

MIN.

8" 6" 8"

1'-

2"

†" X 10"

W6X8.5 OR W6X9

BE ƒ" IN DIAMETER.

8'

5'

LS

70

60

8" 8" 8"

6"

1'-

2"

ƒ" DIAMETER.

†" X 26"

6'-

0"

MIN.

…"

6"

7"

14"

ƒ"

6X8 WOOD POST

ƒ"

DRILL

TREATED PINE BLOCK


ALTERNATE TYPE POSTS AND BLOCKOUTS MAY BE

6"

14"

ƒ"

6"

…"

7"

ƒ" DRILL8"

8" 8"

OR WELDED

POST MAY BE HOT ROLLED

6"X8"X1'-2"

6"

1-ƒ"

1-ƒ"CYCLED MATERIAL

PINE BLOCK OR RE-

6"X 6"X1'-2" TREATED



RESTRICTION THAT THE SAME TYPE OF POST AND

6"

IMPACT ATTENUATOR, CAT, BRAKEMASTER OR STANDARD GR-HDW W BEAM

END SECTION (BUFFER). (BUFFER END SECTION MAY ONLY BE USED WHEN

LOCATED OUTSIDE OF CLEAR ZONE.)

ALL HOLES IN

FOR DETAILS OF RAIL ELEMENT, RAIL SPLICE JOINT,

ALL BOLTS, NUTS, WASHERS, STEEL POSTS, BENT PLATE

GALVANIZING

TO FACILITATE

OPTIONAL HOLE

REFERENCE

SPECIFICATION


INTERCHANGED ON ANY ONE PROJECT WITH THE

BLOCKED-OUT W-BEAM MEDIAN BARRIERROAD AND BRIDGE STANDARDS

SHEET 1 OF 1

502.01

REVISION DATE

27

ƒ"

MIN.

28ƒ

"

MA

X.

27

ƒ"

MIN.

28ƒ

"

MA

X.

9'

6.5'

4'

16:1

BLOCKOUT).

BOTTOM OF

TOP OR

2" OF THE

NAIL WITHIN

MEDIAN OBSTRUCTION

BRIDGE PIER OR OTHER

OF MEDIAN BARRIER.

BLOCKOUT MUST BE USED IN ANY SINGLE RUN

NOTES:

07/16

GUARDRAIL CONTAINING STEEL BLOCKOUTS.

FOR USE WHEN REPAIRING DAMAGED

REPAIR ONLY

MAINTENANCE

BLOCKOUT FOR


BLOCKS

6"X8"X1'-2" TREATED PINE

OFF END ONLY.

STANDARD GR-11 TO BE USED ON RUN



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PLAN DETAIL A

6"

BACKFILL IS PLACED BEHIND BARRIER,

THE ENGINEER. LOCATE WITHIN LOWER

CONCRETE MEDIAN BARRIER

MB-7D,7E,7F

16‹

"16‹

"

9‚

"

9‚

"

DOWELS AND OPTIONAL CONSTRUCTION


REFERENCE

SPECIFICATION

502

105


REVISION DATE

502.04

SHEET 1 OF 1

BARRIER.

OF ADDITIONAL CONCRETE SHALL BE INCLUDED IN UNIT PRICE BID PER LINEAR FOOT OF

WITH BOTTOM OF PAVEMENT COURSE IN WHICH BASE TERMINATES; HOWEVER, THE COST

DEPTH OF CONCRETE BASE MAY BE EXTENDED AT THE CONTRACTOR'S OPTION TO COINCIDE

FOR RIGID BARRIER SYSTEMS.


BRIDGE PIER OR OTHER

MEDIAN OBSTRUCTION

VARIABLE WIDTHTRANSITION

MB-7D

TO BE PAID TO BE PAID

MB-7E

VARIES

JOINT SEAL1'-4‹"

1'-4‹"

FLARE RATE SEE TABLE

SEE DETAIL AVARIES

2'-0" TO 3'-0"

2'-0"

SEPARATELY.

JOINT IF BASE IS POURED

USED BELOW CONSTRUCTION

CLASS C-1 CONCRETE MAY BE

IF POUR IS MONOLITHIC, DOWELS

OPTIONAL CONSTRUCTION JOINT.

MAY BE ELIMINATED.

GRADE

FINISHED

@ 4'-0" C-C.

(IF REQUIRED)

8X8" DOWELS

3"

3"

7"

6"

2"

6"

ƒ"

6"

9‚"

23†"

DELINEATOR

BARRIER

ALT. TOP

1" R

BAR

4 DEFORMED

2'-

8"

1'-

10"

4‡"

2Š"

HARDWARE CLOTH

GRADEFINISHED

WEEP HOLE WITH

12"X12" PLASTIC

HARDWARE CLOTH

‚" MESH OR

INCH, NO.4 MESH

GALVANIZED STEEL

WIRE DIA. 0.03

ANCHORED FIRMLY

TO OUTSIDE OFSTRUCTURE.

ƒ"

4‡"

ƒ"

9‚"VARIES

SEALER

2"4"

16‹"

3"

3"

7"

4‡"

2'-

8"1'-

10"

2Š"

16‹"

9‚"

2Š"

10" R

7"

3"

MIN.

18"

6"

2'-

8"

1'-

10"

ƒ"

4‡"

16‹"

2Š"

9‚"

MB-7D MB-7E MB-7F

BARRIER

DELINEATOR#

4‡"

‚":1'

(TYP.)

10" R(TYP.)

10" R

FINISHED GRADE

JOINT

FIBER

BARRIER

DELINEATOR

5X8" DOWELS

@ 30" C-C

OF BARRIER TO DRAIN TO ROADWAY.

LOCATE WITHIN LOWER SLOPE FACE

APPROVED BY THE ENGINEER.

ON 10' CENTERS UNLESS OTHERWISE

3" DIA. WEEP HOLES TO BE PROVIDED

MB-7D.

ARE TO BE IN ACCORDANCE WITH

DOWELS & OPTIONAL CONST. JOINT

#

# # # #

GRADATION REQUIREMENTS

68, 78, OR 8

CRUSHED GLASS MEETING

SANDY GRAVEL, OR

SAND, SANDY LOAM,

CONSISTING OF COARSE

LIMITS OF PROJECT

AVAILABLE WITHIN THE

8, OR LOCAL MATERIAL

AGGREGATE 68, 78,

#

## ## #

#

#

## #

#

#

OR 8 GRADATION REQUIREMENTS.

4" AGGREGATE 68, 78, 8 OR CRUSHED GLASS MEETING 78

FLARE RATES

DESIGN

SPEED

SHY

LINERATE

FLARE

SHY

BEYOND

LINE

RATE

FLARE MPH

SHY LINE

INSIDE

50

40

30 13:1

16:1

21:1

26:1

30:1

8:1

10:1

14:1

18:1

20:110'

6.5'

3.5'

70

60

LS

8'

5'

DELINEATOR

BARRIER

WEEP HOLE WITH 12"X12" PLASTIC

HARDWARE CLOTH ‚" MESH OR

GALVANIZED STEEL WIRE, DIAMETER

0.03 INCH NUMBER 4 MESH

HARDWARE CLOTH ANCHORED FIRMLY

TO OUTSIDE OF STRUCTURE.

PROVIDED THROUGH BARRIER.

WHEN WEEP HOLES ARE

OR 8 GRADATION X 6" WIDTH,

CRUSHED GLASS MEETING 78,

4" AGGREGATE 68, 78, 8, OR

3" DIAMETER WEEP HOLES TO BE

PROVIDED ON 10' CENTERS WHEN

UNLESS OTHERWISE APPROVED BY

SLOPE FACE OF BARRIER TO DRAIN

TO ROADWAY.

JOINT ARE TO BE IN ACCORDANCE

WITH MB-7D.

NOTES:

BE PROVIDED IN BOTH FOOTING AND BARRIER AT THE SAME LOCATION.

TRANSVERSE JOINTS FOR CRACK CONTROL AND EXPANSION JOINTS ARE TO

IF THE CONTRACTOR ELECTS TO USE THE OPTIONAL CONSTRUCTION JOINT,

WITH A MAXIMUM SPACING OF 20 FEET C-C.

TRANSVERSE JOINTS ARE TO COINCIDE WITH JOINTS IN ADJACENT PAVEMENT

OVER THE ENDS OF THE REINFORCING STEEL.

EXPANSION AND CONTRACTION JOINTS. A 2" CONCRETE COVER IS REQUIRED

HORIZONTAL REINFORCING STEEL BARS ARE TO BE SEPARATED AT ALL

COST OF DELINEATOR TO BE INCLUDED IN THE PRICE BID FOR MEDIAN BARRIER.

CONCRETE TO BE CLASS A3 IF CAST IN PLACE, 4000 PSI IF PRECAST.

ALTERNATE TOP DESIGN SHOWN ON MB-7D. MAY ALSO BE APPLIED TO MB-7E AND MB-7F.

SPECIFICATIONS.

BARRIER DELINEATOR SIZE, COLOR, AND SPACING TO BE IN ACCORDANCE WITH THE

ONCOMING TRAFFIC.

REFLECTIVE SURFACE OF BARRIER DELINEATOR IN ALL INSTANCES, TO BE FACING

CONCRETE MEDIAN BARRIER MAY BE CAST IN PLACE OR SLIP-FORMED.

PRECAST BARRIER IS NOT PERMITTED FOR PERMANENT INSTALLATIONS.

7/16



PLAN VIEW

END VIEW SECTION A-A

ELEVATION VIEW

PRECAST TRAFFIC BARRIER SERVICE CONCRETE

A

ADRAINAGE SLOT

105

512

MB-7D PC

CL

FLARE RATES

DESIGN

SPEED LINE

INSIDE SHY

LINE

SHY

LS

MPHRATE

FLARE

RATE

FLARE

30:1 20:1

26:1 18:1

40

50 21:1

16:1

14:1

10:1

30 13:1 8:1

10'

6.5'

3.5

2'-7" NOMINAL

4"

70

60

3"

7"

ƒ"

10" R

7"

2'-

8" 1'-

10"

2•"

1 ƒ

"

KEYWAY

24"

3"

5"KEYWAY

2•"

1 ƒ

"

2"

3"

2'-

8"

1'-

6"

6"

1"

8"

1'-

6"

8'

5'

4"

4"

24"

2•"

1"

4"

2"

2"

MIN.

12"

8"

4 BAR

6 BAR

4 STIRRUP

6 BAR

4 BAR

5" 9" 5"

ƒ"

4"3"

4 BAR

2"

4 BAR

4 STIRRUP

6 BAR

3"

1/3 DIA. 4"

CONNECTOR

CONNECTOR

1/3 DIA.1/3 DIA.

1/3 DIA.

EACH END

CHAMFER

•"x •"

OPTIONAL

SEE NOTE 9.

AS REQUIRED.

VERTICAL PANELS

8" X 12" BARRIER

DELINEATOR

BARRIER

25"

FOR RIGID BARRIER SYSTEMS.

SUGGESTED MAXIMUM FLARED RATE

(SEE NOTE 8)

FOR DEFLECTIONS AND ANCHORAGE.

MANUFACTURER'S INSTALLATION INSTRUCTIONS

FOR APPROVED NON-VDOT DESIGNS, REFER TO

WORK ZONE FOR ANCHORAGE.

60' OF BARRIER UPSTREAM AND DOWNSTREAM OF

FOR A 6'-0" DYNAMIC DEFLECTION. PROVIDE MIN.

THE PIN AND LOOP POSITIVE CONNECTION, ALLOW

WHEN USING VDOT STANDARD MB-7D PC WITH

LINE

SHY

BEYOND

#

#

#

#

#

SEE NOTE 7

REFERENCE

SPECIFICATION



SHEET 1 OF 2

502.05

REVISION DATE

10'-0" AND 20'-0"*

*

( FOR TEMPORARY USE )

FOR PROPRIETARY MB-7D PC LENGTHS, REFER TO MANUFACTURER

PROTECTION MANUAL.

ACCORDANCE WITH VIRGINIA WORK AREA

BARRIER VERTICAL PANELS SHALL BE SPACED IN8.

INSTANCES SHALL BE FACING ONCOMING TRAFFIC.

BARRIER DELINEATOR REFLECTIVE SURFACE IN ALL 7.

THE ƒ" CHAMFER.

A 1" RADIUS MAY BE USED AS AN ALTERNATE FOR 6.

MAY BE SUBSTITUTED.

ACCEPTABLE ALTERNATE TO THE STANDARD DESIGN

DESIGNS THAT HAVE BEEN APPROVED BY VDOT AS AN

OTHER PRECAST TRAFFIC BARRIER SERVICE CONCRETE 5.

PRICE BID FOR TRAFFIC BARRIER SERVICE.

COST OF DELINEATOR SHALL BE INCLUDED IN THE 4.

BE IN ACCORDANCE WITH THE SPECIFICATIONS.

BARRIER DELINEATOR SIZE, COLOR AND SPACING SHALL3.

CONCRETE SHALL BE 4000 P.S.I. MINIMUM.2.

CONCRETE BARRIER FOR HANDLING.

REINFORCING MAY BE ADDED TO THE PRECAST

AT THE OPTION OF THE MANUFACTURER, ADDITIONAL 1.

NOTES:

03/17



105

512

PRECAST TRAFFIC BARRIER SERVICE CONCRETE

NOTES:MB-7D PC

PLAN OF CONNECTIONELEVATION OF CONNECTION

4"2"

4" 5"1"

6 Bar#

TOP CONNECTOR

BOTTOM CONNECTOR

NUT WASHER

BAR

BOTTOM CONNECTORTOP CONNECTOR

CONNECTOR PIN

ASSEMBLY

9‚

"

5"6"

1'-8"

ƒ" 0 STEEL BAR ‡" R

2•"

1 …"

O.165" THICK

ƒ"

4"6"

12"

‡" R

1‚" HEAVY HEX NUT

1‚" DIA. STEEL

Bar (ASTM A36)

1…"X2•"

STEEL WASHERS

2'-

1"

1…

"

„"

TH

RE

AD

ED

1/3 DIA. 4"

1/3 DIA. 3"

1/3 DIA. 4"

TOP CONNECTOR

WASHER

NUT

GALVANIZE AFTER FABRICATION

REFERENCE

SPECIFICATION


REVISION DATE

502.06

SHEET 2 OF 2

VIRGINIA DEPARTMENT OF TRANSPORTATION 7/16

( FOR TEMPORARY USE )

ASSEMBLY WITH EACH BARRIER SECTION.

BARS SHALL BE ASTM A 615 GRADE 60. ONE CONNECTOR PIN

PIN AND CONNECTORS SHALL BE ASTM-A36. REINFORCING STEEL 1.

FOR 1 ‚" PIN

STEEL WASHER

PLAIN GALVANIZED

MAY BE GALVANIZED.

NOTE: ENTIRE CONNECTOR

GALVANIZE AFTER FORMING

AFTER ASSEMBLY

THREADS BURRED

LE

NG

TH (

MIN.)

3" T

HD.

ROD IS USED

WHEN THREADED

TACK WELD NUT

ƒ" 0 STEEL BAR



DOWELS 5, LENGTH 12"

POROUS BACKFILL

SEE ST'D. RW-3 FOR ALL

DETAILS OF POROUS BACKFILL

WEEP HOLES AND RELATED ITEMS.

BARS A @ 12" C-C

BARS A-1 @12" C-C

TOE18"

DENOTES FINISHED GRADE ELEVATION

COMPACTED.

WATERSTOP

GR

EA

TE

R

TH

AN 1'-

0"

VA

RIE

S

MA

X. 2'-

0"

TYPE II (GREATER THAN 1'-0" HT. DIFF., MAX. 2'-0")

PAVEMENT OR

PAVED SHOULDER

PAVEMENT OR

PAVED SHOULDER

6"

3"

4" 4"

1'-4•"

2'-

8"

6"

DESIGN

SPEED

INSIDE

SHY LINE

BEYOND

SHY LINE

MPH

SHY

LINE

LS

FLARE

RATE

FLARE

RATE

70

60

50

40

30

10'

8'

6.5'

5'

3.5'

2

2

2

2

2

MAXIMUM FLARE RATE FOR RIGID

BARRIER SYSTEMS.

2

(FOUNDATION NOT SHOWN)

SEE ST'D. MB-7E

FOR DETAILS

VARIES

TO BE PAID

TRANSITIONED

WIDTH VARIES 2'-0"-3'-0"

TO BE PAID

TRANSITIONED TO BE

2'-0"

FLARE RATE SEE TABLE

3'-0"

A B

A B

1

1

REINFORCING STEEL

IS NOT SHOWN

SEE TYPE I, II AND

REINFORCEMENT TO BE

PLACED ON HIGHEST

SIDE OF TRANS.30 : 1

26 : 1

21 : 1

16 : 1

13 : 1

20 : 1

18 : 1

14 : 1

10 : 1

8 : 1

*

*

*

*

TYPE I (GREATER THAN 0 HT. DIFF., MAX. 1'-0")

9‚"

ƒ"

*

2'-

8"*

6"

III FOR REINFORCING.

SEE ROADWAY TYPICAL SECTION)

SECTION B-B

1'-11†"

‚":1'

1'-11†"

9‚"

ƒ"

1'-

7"

2'-

8"

**

BARRIER

DELINEATOR

VAR.

2'-

8"

18"

6"

12"

PAVED SHOULDER

PAVEMENT OR

MB-7D BARRIER FACE

#

MED. BAR. MB-8A

MB-7E

MED. BARRIER MB-8A

PAID FOR AS

FOUNDATION MATERIAL UNDER

MEDIAN BARRIER IS TO BE

(STD. MB-7E)

VERTICAL

VERTICAL

TYPE I, II OR III.

TYPE I, II OR III.

MEDIAN BARRIER MB-8A

FOUNDATION FOR

SEE APPLICABLE

TYPE I, II, OR III.

*

PAVEMENT

SHOULDER

OR PAVED

*

**

ƒ"

**

BARS B @ 8" C-C

ƒ"

**

*

2'-

1"

2'-

1"

BARRIER DELINEATOR

FOR PAVE. OR PAVED SHOULDER,

(BOTTOM OF DRAINABLE MAT'L.

2'-

1"

2'-

1"

BARRIER DELINEATOR

MAX

1'-0"

BARRIER DELINEATOR

AS SHOWN

BARS B SPACE


FLARE RATES

TYPE II

TYPE I

SECTION A-A

MB-8A

REFERENCE

SPECIFICATION

VIRGINIA DEPARTMENT OF TRANSPORTATION 502

404

105


SHEET 1 OF 2

502.07

REVISION DATE

1'-11†" - 3'-0"

VARIES

9‚

VDOT ROAD & BRIDGE SPECS.

WITH SECTION 404 OF THE CURRENT

TO BE BONDED IN STRICT ACCORDANCE

PERMISSIBLE CONSTRUCTION JOINT



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105

512

MB-11A

PLAN VIEW

24"

B

B

DRAINAGE SLOT

2'-7" NOMINAL

..

....

.

.

.

...

..

.

.

.

.

...

......

..

4'-0" MIN.

SEE NOTE 2

NOTES:

1.

2.

3.

4.

SECTION B-B

NOTE 3.

CORNER. SEE

UNIT. 1 AT EACH

4 PER PRECAST

A36 STEEL STAKE.

1" 0 X 24" GALV.

FOR PROPRIETARY MB-11A LENGTHS, REFER TO MANUFACTURER1 AT EACH CORNER.

4 PER PRECAST UNIT.

NOT TO BE USED ON BRIDGE DECKS.

STANDARD MB-11A.

STAKE LOCATIONS WHEN STAKING1 AT EACH CORNER.

4 PER PRECAST UNIT.

NOT TO BE USED ON BRIDGE DECKS.

STAKE LOCATIONS WHEN STAKING STANDARD MB-11A.

(NOT TO BE USED ON BRIDGE DECKS)

PAVEMENT, OR ASPHALT OVER CONCRETE PAVEMENT

PAVEMENT, COMPACTED BASE MATERIAL, CONCRETE

TEMPORARY INSTALLATION ON ASPHALT CONCRETE

ADDITIONAL HOLES USED WHEN BOLTING TO BRIDGE DECKS.

5.

BARRIER.

1'-0" MIN. BEYOND EACH SIDE OF

ASPHALT OVER CONCRETE PAVE.

CONCRETE PAVEMENT, OR

COMPACTED BASE MATERIAL,

ASPHALT CONC. PAVEMENT,

(DOUBLE FACE)

TRAFFIC BARRIER SERVICE CONCRETE PARAPET

(FOR TEMPORARY INSTALLATION ON ROADWAYS)

REFERENCE

SPECIFICATION



SHEET 3 OF 3

502.15

REVISION DATE

10'-0" AND 20'-0" VDOT STANDARD MB-11A

PRE-DRILL HOLES

FOR CONC. PAVEMENT

01/09

502.13 & 502.14 OF THE ROAD AND BRIDGE STANDARDS.

FOR BRIDGE DECK INSTALLATIONS, REFER TO SHEETS

THE BOTTOM OF THE EPOXY MORTAR.

CARE SHALL BE TAKEN NOT TO TRAP AIR WITHIN OR AT

CONCRETE PAVEMENT AND ASPHALT CONCRETE PAVEMENT.

SECTION 243 OF THE SPECIFICATIONS FOR HYDRAULIC CEMENT

EPOXY MORTAR CONFORMING TO THE REQUIREMENTS OF

ENGINEER. CLEAN AND FILL WITH TYPE EP-4 OR EP-5

RESULTING HOLES AS FOLLOWS OR AS DIRECTED BY THE

UPON REMOVAL OF THE STAKES AND BARRIERS, REPAIR THE

PLACING STAKES.

CONTRACTOR TO VERIFY PAVEMENT STRUCTURE PRIOR TO

SNAGGING.

DRIVE STAKE HEAD BELOW FACE OF BARRIER TO PREVENT

6" MIN. FOR COMPACTED BASE MATERIAL.

2" MIN. FOR ASPHALT CONCRETE.

WHEN DETERMINED BY THE ENGINEER.

TRENCHING OPERATION (4' OR GREATER IN DEPTH) OR

PLACED WITHIN THE TWO (2) FOOT OFFSET OF A

REQUIRED WHEN TRAFFIC BARRIER SERVICE CONCRETE IS

PAVEMENT, OR ASPHALT OVER CONCRETE PAVEMENT IS

PAVEMENT, COMPACTED BASE MATERIAL, CONCRETE

STAKING OF STANDARD MB-11A TO ASPHALT CONCRETE



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REFERENCE

SPECIFICATION



REVISION DATE

.

SHEET 1 OF 1

TITLE

STANDARD




4"2"

NUT WASHER

CONNECTORBOTTOM

CONNECTORTOP

BAR

WASHER

NUT

PLAN OF POSITIVE CONNECTION

ELEVATION OF POSITIVE CONNECTION

DOUBLE FACETBS CONC.

NOTES:

1.

2.

3.

METHOD A

PLAN VIEW

DIRECTION OF TRAFFIC(ANCHORED)SINGLE FACETBSC PARAPET

B

B

CONNECTIONPOSITIVE

(ANCHORED)SINGLE FACE TBSC PARPET

SECTION B-B

TO SINGLE FACE PARAPET SERVICE

BUTTING TRAFFIC BARRIER SERVICE

(ANCHORED)SINGLE FACE TBSC PARAPET

FOR POSITIVE CONNECTION DETAILS AND

FOR DIMENSIONS NOT SHOWN, REFER TO ST'D.

CONNECTIONPOSITIVE

DOUBLE FACETBS CONCRETE

TBSC DOUBLE FACE

REFERENCE

SPECIFICATION



SHEET 1 OF 2

502.23

REVISION DATE

MB-INS

THE WORK.

AND INCIDENTALS NECESSARY TO COMPLETE

ALL MATERIALS, LABOR, TOOLS, EQUIPMENT,

REMOVAL WHEN NO LONGER NECESSARY, AND

BARRIERS (TBS CONCRETE) AND MAINTENANCE,

FURNISHING AND PLACING PRECAST CONCRETE

EACH COMPLETE IN PLACE AND SHALL INCLUDE

WILL BE MEASURED AND PAID FOR IN UNITS OF

TRAFFIC BARRIER SERVICE LATERAL SUPPORT

BASIS OF PAYMENT:

DIMENSIONS SEE STANDARD MB-7D PC.

MB-7D PC AND MB-10A.

03/17



A


SANDBAGS

PLAN VIEW

SECTION A-A

CONNECTION

POSITIVE

A

TBSC DOUBLE FACE

SAND BAGS

JOINT

BUTT

PARAPET

BRIDGE

PERMANENT

NOTES:

1.

2.

3.

METHOD B

OF BARRIER)

(FILL TO TOP

FACE

DOUBLE

TBSC CONNECTION

POSITIVE

BASIS OF PAYMENT:

TRAFFIC BARRIER SERVICE LATERAL SUPPORT

WILL BE MEASURED AND PAID FOR IN UNITS OF

EACH COMPLETE IN PLACE AND SHALL INCLUDE

FURNISHING AND PLACING PRECAST

CONCRETE BARRIERS (TBS CONCRETE) AND SAND

BAGS, MAINTENANCE, REMOVAL WHEN NO LONGER

NECESSARY, AND ALL MATERIALS, LABOR, TOOLS,

EQUIPMENTS, AND INCIDENTALS NECESSARY TO

COMPLETE THE WORK.

FOR POSITIVE CONNECTION DETAILS AND

FOR DIMENSIONS NOT SHOWN, REFER TO ST'D.

TO SINGLE FACE PARAPET SERVICE

BUTTING TRAFFIC BARRIER SERVICE


REFERENCE

SPECIFICATION

MB-INS


REVISION DATE

502.24

SHEET 2 OF 2

20'-0" MIN. TRAFFIC BARRIER SERVICE CONCRETE LATERAL SUPPORT

FILL LENGTH OF TBSC LATERAL SUPPORT WITH SAND BAGS


DIMENSIONS SEE STANDARD MB-7D PC.

MB-7D PC AND MB-10A.

03/17



REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



ÿÿÿ°)�€ÿÿÿÿÿ �€ÿÿÿÿ"õßÁ.Äþ&�ûßÁÿÿ

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STANDARD FENCE

ME

TA

L

PO

ST

WO

OD

PO

ST

CORNER BRACE LINE BRACE LINE BRACE AT END LOCATION

METAL LINE POST ALTERNATE ANCHOR DEVICES

METHOD OF ATTACHING ANGLE

BRACES TO STRETCHER POSTS

NOTES:

+-+-

WOVEN WIRE FABRIC

REFERENCE

SPECIFICATION



SHEET 1 OF 1

503.02

REVISION DATE242

507

236

IF NOT OTHERWISE NOTED DIMENSIONS AND

DESCRIPTIONS SHOWN ON ONE DRAWING APPLY TO

OTHER DETAILS WITH THE SAME POST TYPE.

SEE GENERAL NOTES-

FENCING FOR ADDITIONAL

DETAILS AND INSTRUCTIONS.

SEE GENERAL NOTES.

STRETCHER POST.

4 POINT BARBED WIRE

LINE POST

(SEE DETAIL BELOW)

3"

STRETCHER POST

GROUND

LINE

12"X12"X12"12"

TWISTED

BRACE

POSTPAY LINES

(EXCLUSIVE OF FABRIC)

4 POINT BARBED WIRE

GROUND LINE

PAY LINES

(EXCLUSIVE OF FABRIC)LINE POST

3"

LINE POSTS ARE TO BE OF

THE TYPES SHOWN OR

EQUIVALENT MEETING THE

APPROVAL OF THE ENGINEER.

ALL POSTS ARE TO HAVE A

A MINIMUM OF FIVE CLAMPS

FOR ATTACHING FABRIC TO

POST ARE TO BE INCLUDED

ALTERNATE

CORNER POST

CONCRETE FOOTING

PAY LINES

(EXCLUSIVE OF FABRIC)

CORNER POST

3"

CONCRETE BLOCK

3"

BRACE

FE-W1,W2

3"

�"X4" GALV. STEEL DOWEL

8’-0" 8’-0

"

6"X6"

12’-0" 12’-0"

3’-

0"

MINIMUM WEIGHT OF 1.25

LBS./FT.5"-0"

1’-6"6"

6" FE-W1

12" FE-W2

8’-0"

6"X6"

12" - FE-W2

6" - FE-W1

4"X4" 6"X6"

5’-

0"

6"

2’-

6"

12’-0" 8’-0"

3’-

0"

5’-

0"

3’-

0"

12"X12"X12"

12’-0" C-C

5’-

0"

3’-

0"

6"X6"

L2�X2�X�

L2�X2�X� POST WITH 2X2X�X7’-0"

2’-

6"

CONCRETE

BLOCK

IN COST OF EACH LINE POST.

MIN. 4"

6"X6"

(EACH END ALL HORIZ. BRACES)

THE BRACE WIRE TO BE PLACED AROUND POSTS WITH ONE

CONCRETE.

FOR USE IN LIEU OF SETTING POSTS IN

#9 WIRE

L2X2X�TO BE CUT

TO FIT AROUND L2�X2�X1/4, 2" LONG

BRACKET BOLTED

TO STRETCHER POST

ALL LINE POSTS

TYPICAL SPACING

ALL LINE POSTS)

(TYPICAL SPACING BETWEEN

DEVICES SHOWN ARE REPRESENTATIONAL ONLY,

WITH 1�" O.D. BRACES @ 2.27 5% LBS./FT

BRACES OR 2�" O.D. POST @ 3.65 5% LBS./FT.

6’-0" 6’-0

"

6’-0"6’-0"

WIRE ON EACH SIDE OF BRACE. WIRE TO BE DRAWN TAUT

BY TWISTING BETWEEN BRACE AND EACH POST. THIS

APPLIES TO ALL BRACE WIRES.

DIAGONAL 4" BRACES TO BE PLACED IN DIRECTION OF

PULL. POST TO BE NOTCHED FOR DIAGONAL 4" BRACES.

12D NAILS EACH END.

ALL 4" DIAGONAL BRACES TO HAVE TWO GALVANIZED

TYPE "U"

FLANGED

TYPE "T"

FLANGE

7/13



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ôßÁ.Ä~‡mþßÁ

ìÇRo�ñßÁ`¬º«üúßÁ

õ—sÎôßÁ`¬ú?$ûßÁßÁ*bø@*ûßÁ

ßÁ

ßÁßÁ>LIûßÁßÁ�€ÿÿÿÿãÚ�€ÿÿÿÿv-ç±ôßÁ:}�ÄÈûßÁ

ßÁ�Á�

åàLþ=õßÁÄ•Ù·‰þßÁ

#õßÁ¹Êkô“þßÁ")õßÁÄ•ÙV®þßÁ

Á ýÓË�ýßÁÄ+ýßÁmÑôßÁ¹Êë¸•þßÁeÑôßÁÄ•Y�œþßÁï¶9ôßÁ‘8�…ÎüßÁLû•óßÁX�ÌàÚüßÁÛ�)òßÁëw1ÏÐüßÁ1¢•ñßÁÐ‚s@ÑüßÁ

AéMÏôßÁ¦�¤nºþßÁñØšÇôßÁ`šL,ÑþßÁ

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ßÁ‹�w�»üßÁßÁo¹ŽXÿûßÁ ò

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Á”Ä�ž�ÿßÁßÁ•;†žèþßÁß

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GROUND LINE

CONCRETE FOOTING

LINE POST

TYPICAL SPACING

BETWEEN ALL

LINE POSTS.

GROUND LINE

VANIZED STEEL

LINE POST

CONCRETE

FOOTING

GROUND LINE

MAXIMUM SPACING BETWEEN BRACES

ALTERNATE ANCHOR

DEVICES

ALTERNATE ANCHOR DEVICES

MAY BE USED IN LIEU OF

SETTING POST IN CONCRETE.

DEVICES SHOWN ARE

12"10"10"

14" 14"

12"12"

BEVELED GAL-

ROUND ROD

ROUND ROD

5" – 1"

6’-

0"

10’-0"10’-0"

11 GAUGE X 1"

3’-

6"

6’-

0"

3’-

0" �" MIN.

6’-

0"

3’-

6"

3’-

0" �" MIN.

500’

#

#

#

BOLT & NUT.

BAND WITH

1" MIN. O.D.

3’-

6"

3’-

0"

SEE GENERAL NOTES.

REPRESENTATIONAL ONLY.

BRACE

STANDARD FENCE

CHAIN LINK

DOUBLE SWING GATE

SINGLE SWING GATE

242

507

FE-CL

REFERENCE

SPECIFICATION



SHEET 1 OF 1

503.04

REVISION DATE

WIRE STRETCHED TAUT

GALVANIZED COIL SPRING

TENSION WIRE 7 GAUGE

(6 PER POST)

TO POST.

ATTACH FABRIC

TO BE USED TO

TIES OR CLIPS

9 GAUGE WIRE

CONCRETE FOOTING

24" C-C

HOG-RINGS APPROX.

TO TENSION WIRE WITH

ATTACH FENCE FABRIC

(TO BE USED WHERE SWINGING CLEARANCE IS LIMITED)

POST TYPE

GATE POSTGATE POST

GATE POSTGATE POST

VAR. 10’,12’,14’

END/CORNER POST

POSTS.

A MOISTURE-EXCLUDING CAP IS REQUIRED ON TUBULAR

LINE

GROUND

BARBED.

SELVAGE TO BE

TOP AND BOTTOM

POST

END/CORNER

NOTES:

7/11

PIPE SIZES O.D.

MINIMUM

VAR. 3’,5’,6’,8’,10’

ALIGNMENT CHANGES 15° OR MORE.

CORNER BRACE - TO BE USED WHEN HORIZONTAL

TYPES FOR OTHER LISTED FITTINGS.

MATERIAL FOR CAP SHALL CONFORM TO THE ALLOWABLE

AND INSTRUCTIONS

SEE GENERAL NOTES-FENCING FOR ADDITIONAL DETAILS

DESIGN SECTION FOR APPROVAL.

SHALL BE SUBMITTED TO THE STANDARDS & SPECIAL

CHAIN LINK FENCE GREATER THAN 6 FEET IN HEIGHT

CHANGES 15° OR MORE

LINE BRACE - TO BE USED WHEN VERTICAL ALIGNMENT

AND CORNER BRACES

END/ CORNER POSTS SHALL BE USED WITH ALL LINE

TENSION WIRE IS USED IN LIEU OF A TOP RAIL.

TWO THIRDS THE HEIGHT ABOVE THE GROUND LINE WHEN A

GROUND LINE OF THE POST WHEN A TOP RAIL IS USED, OR

BRACES SHALL BE INSTALLED HALF THE HEIGHT ABOVE THE

GATE FRAME

BRACE

GATE POST (DOUBLE SWING)

GATE POST (SINGLE SWING)

GATE POST (SINGLE SWING)

END/CORNER POST

LINE POST

1.90"

1.66"

2.875"

4.00"

2.875"

2.875"

2.375"

w 6ft.

w 6ft.

=

TRUSS ROD TIGHTENER

�" MIN. TRUSS ROD WITH

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¢óßÁcÍ•³@ÿßÁ„�yÁóßÁž¬•ÉfÿßÁ



REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



NOTES

POSITION LEFT OF TRAFFICTHROUGH ROADWAY MARKER

FINISHED GRADE2'-8ƒ" MIN.

ELEVATION VIEW


IA-1

REFERENCE

SPECIFICATION

GORE AREA REFLECTIVE MARKER

POSITION RIGHT OF TRAFFICTHROUGH ROADWAY MARKER

IMPACT ATTENUATOR

ALL STEEL HARDWARE COMPONENTS SHALL BE GALVANIZED.3.

AT THE FRONT OF THE UNIT FOR MAXIMUM VISIBILITY.

PAINT CHEVRON STRIPES AND INSTALL REFLECTIVE MARKERS ON PAVEMENT9.

MESSAGE - BLACK STRIPES (NON-REFLECTORIZED)

FIELD - YELLOW (REFLECTORIZED)

COLOR:

TO PASS.

SLOPE DOWN TOWARD THE SIDE OF THE OBSTRUCTION ON WHICH TRAFFIC IS

WITH SECTION 701 OF THE ROAD AND BRIDGE SPECIFICATIONS. STRIPES SHALL

REFLECTIVE MARKERS. ALL REFLECTIVE SHEETING IS TO BE IN ACCORDANCE

FLUORESCENT PRISMATIC LENS YELLOW SHEETING SHALL BE USED ON THE8.

TO COMPLETE THE WORK.

AND ALL MATERIALS, LABOR, EXCAVATION, TOOLS, EQUIPMENT AND ANY INCIDENTALS NECESSARY

REFLECTORIZED MARKER, PORTLAND CONCRETE FOUNDATION, REQUIRED BACKUP, TRANSITION PANEL,

PAYMENT SHALL BE FULL COMPENSATION FOR FURNISHING AND INSTALLING IMPACT ATTENUATOR,

TYPE 1 IMPACT ATTENUATOR WILL BE MEASURED IN UNITS OF EACH COMPLETE-IN-PLACE.

MEASUREMENT AND PAYMENT:10.

CROSS SLOPE OF THE PAD SHALL NOT EXCEED A 8% (12:1) SLOPE.5.

STRENGTH OF CONCRETE SHALL BE 4000 PSI.

IMPACT ATTENUATOR MANUFACTURER. MINIMUM COMPRESSIVE

DESIGN DETAILS ARE TO BE FURNISHED BY THE

A REINFORCED CONCRETE FOUNDATION IS REQUIRED,


REVISION DATE

505.01

SHEET 1 OF 3

512

505

221

105

MANUFACTURER'S DRAWINGS FOR COMPONENTS AND INSTALLATION INSTRUCTIONS.

DESIGN SHOWN IN THIS STANDARD IS FOR EXAMPLE PURPOSES ONLY, SEE1.

ACCORDANCE WITH THE MANUFACTURER'S DRAWINGS AND SPECIFICATIONS.

PANEL SHALL BE SUPPLIED BY THE MANUFACTURER AND INSTALLED IN

ANY LOCATION WHERE THERE IS REVERSE DIRECTION TRAFFIC, A TRANSITION6.

THE DESIGNER SHOULD ALLOW 30' FOR THE LENGTH OF THE ATTENUATOR.

DUE TO THE VARYING LENGTHS OF PROPRIETARY IMPACT ATTENUATORS 7.

BRIDGE PARAPET TERMINAL WALLS

STANDARD MB-7F,

STANDARD MB-7D,

TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION ( TL-3 > 40 MPH )

ITEM CODE 13607 IMPACT ATTEN. TY. 1 (TL-3, > 40 MPH) EACH

BY FHWA.

PASSED THE NCHRP 350 TL-3 OR MASH TESTING CRITERIA AND DEEMED REIMBURSABLE

OR PROVISIONALLY APPROVED MASH LIST. ALL UNITS MUST HAVE SUCCESSFULLY

IMPACT ATTENUATOR SHALL BE SELECTED FROM VDOT'S NCHRP 350 APPROVED LIST 2.

ATTENUATOR REARWORD MOTION

MINIMUM 8' CLEAR AREA FOR

NEW 07/16

MANUFACTURER'S DRAWINGS AND SPECIFICATIONS.

ANCHORING SYSTEM. FOR DIMENSIONS OF UNIT AND CONCRETE FOUNDATION SEE

IMPACT ATTENUATOR MANUFACTURER MUST FURNISH DETAILS FOR REQUIRED4.

A COPY OF THE ORIGINAL SEALED AND SIGNED STANDARD DRAWING IS ON FILE IN THE CENTRAL OFFICE



A

A

PLAN VIEW

TRAFFIC

TRAFFIC

IA-1

REFERENCE

SPECIFICATION


IMPACT ATTENUATOR

TRAFFIC

TRAFFIC

(UNI-DIRECTIONAL)

WAY TRAFFIC

REQUIRED WITH TWO

TRANSITION PANEL

B

B

SECTION A-A

SECTION B-B

3' MIN. 3' MIN.

3' MIN.3' MIN.

* *

**

PLAN VIEW

VARIABLE BASED ON MANUFACTURER


4' MIN.

VARIABLE

4' MIN.

VARIABLE



*POLICY.

SHOULD BE DESIGNED AND MAINTAINED IN ACCORDANCE WITH CURRENT VDOT

PROPER OPERATION OF THE IMPACT ATTENUATOR. STANDARD SHOULDER WIDTHS

THE MINIMUM DISTANCE SHOWN IS A MINIMUM CLEAR SPACE REQUIRED FOR THE

CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE

CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE


SHEET 2 OF 3

505.02

REVISION DATE

512

505

221

105

(BI-DIRECTIONAL)


NEW 07/16





IA-1

REFERENCE

SPECIFICATION

IMPACT ATTENUATOR

PLAN VIEW

TRAFFIC

TRAFFIC

(TWO WAY TRAFFIC)

3' MIN. 5' MIN.

C

C

WAY TRAFFIC

REQUIRED WITH TWO

TRANSITION PANEL

SECTION C-C

* *

4' MIN.

VARIABLE



5' MIN.

15:1 TAPER

NORMAL SLOPE HINGE POINT

*POLICY.




25' MINIMUM FOR GRADING

12:1 MAX.3:1 MAX.

3' MIN.* 5' MIN.*

D

D

SECTION D-D

50' MIN. CLEAR OF CURBING AND FIXED OBJECTS

NORMAL SLOPE HINGE POINT

SLOPE HINGE POINT

12:1 S

LO

PE

MA

X.

CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE

CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE


REVISION DATE

505.03

SHEET 3 OF 3

512

505

221

105


SITE PREPARATION REQUIREMENTS FOR IMPACT ATTENUATOR ON A SHOULDER


NEW 07/16




REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



NOTES



ELEVATION VIEW


IA-2

REFERENCE

SPECIFICATION



IMPACT ATTENUATOR






COLOR:

TO PASS.





TO COMPLETE THE WORK.

AND ALL MATERIALS, LABOR, EXCAVATION, TOOLS, EQUIPMENT AND ANY INCIDENTALS NECESSARY

REFLECTORIZED MARKER, PORTLAND CONCRETE FOUNDATION, REQUIRED BACKUP, TRANSITION PANEL,

PAYMENT SHALL BE FULL COMPENSATION FOR FURNISHING AND INSTALLING IMPACT ATTENUATOR,

TYPE 1 IMPACT ATTENUATOR WILL BE MEASURED IN UNITS OF EACH COMPLETE-IN-PLACE.








REVISION DATE

505.04

SHEET 1 OF 2

512

505

221

105


DESIGN SHOWN IN THIS STANDARD IS FOR EXAMPLE PURPOSES ONLY, SEE1.

ACCORDANCE WITH THE MANUFACTURER'S DRAWINGS AND SPECIFICATIONS.


ANY LOCATION WHERE THERE IS REVERSE DIRECTION TRAFFIC, A TRANSITION6.



BRIDGE PARAPET TERMINAL WALLS

STANDARD MB-7F,

STANDARD MB-7D,

TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION ( TL-2 < 40 MPH )

ITEM CODE 13606 IMPACT ATTEN. TY. 1 (TL-2, < 40 MPH) EACH

BY FHWA.

PASSED THE NCHRP 350 TL-2 OR MASH TESTING CRITERIA AND DEEMED REIMBURSABLE

OR PROVISIONALLY APPROVED MASH LIST. ALL UNITS MUST HAVE SUCCESSFULLY

IMPACT ATTENUATOR SHALL BE SELECTED FROM VDOT'S NCHRP 350 APPROVED LIST 2.

NEW 07/16



IS INSTALLED ON A SHOULDER.

SEE PAGE 505.03 FOR SITE PREPARATION REQUIREMENTS WHEN IMPACT ATTENUATOR11.







A

A

PLAN VIEW

TRAFFIC

TRAFFIC

IA-2

REFERENCE

SPECIFICATION


IMPACT ATTENUATOR

TRAFFIC

TRAFFIC

(UNI-DIRECTIONAL)

WAY TRAFFIC

REQUIRED WITH TWO

TRANSITION PANEL

SECTION A-A

SECTION B-B

3' MIN. 3' MIN.

3' MIN.3' MIN.

* *

**

PLAN VIEW



4' MIN.

VARIABLE

*POLICY.




CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE

CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE


SHEET 2 OF 2

505.05

REVISION DATE

512

505

221

105

(BI-DIRECTIONAL)

TYPE 1 RE-DIRECTIVE PERMANENT INSTALLATION ( TL-2 < 40 MPH )

B

B



4' MIN.

VARIABLE

NEW 07/16





REFERENCE

SPECIFICATION

IMPACT ATTENUATORROAD AND BRIDGE STANDARDS

REVISION DATE

505.10

SHEET 1 OF 2

512

505

221

105

NOTES




ACCORDANCE WITH THE MANUFACTURERS DRAWINGS AND SPECIFICATIONS.


ANY LOCATION WHERE THERE IS REVERSE DIRECTION TRAFFIC A TRANSITION6.



COLOR:

TO PASS.






NECESSARY TO COMPLETE THE WORK.

AND ALL MATERIALS, LABOR, EXCAVATION, TOOLS, EQUIPMENT AND ANY INCIDENTALS

CONCRETE FOUNDATION, REINFORCING STEEL, REQUIRED BACKUP, TRANSITION PANEL,

AND INSTALLING IMPACT ATTENUATOR, REFLECTORIZED MARKER, PORTLAND

COMPLETE-IN-PLACE. PAYMENT SHALL BE FULL COMPENSATION FOR FURNISHING

LOW MAINTENANCE TYPE 1 IMPACT ATTENUATOR WILL BE MEASURED IN UNITS OF EACH



DESIGN SHOWN IN THIS DRAWING IS FOR EXAMPLE PURPOSES ONLY, SEE1.




POSITION LEFT OF TRAFFIC

THROUGH ROADWAY MARKER


POSITION RIGHT OF TRAFFIC

THROUGH ROADWAY MARKER

ITEM CODE 13603 IMPACT ATTEN. TY. 1 (TL-3, LOW MAINTENANCE) EACH


ELEVATION VIEW





BRIDGE PARAPET TERMINAL WALLS.

STANDARD MB-7F,

STANDARD MB-7D,

( TL-3 > 40 MPH )

LOW MAINTENANCE TYPE 1 RE- DIRECTIVE IMPACT ATTENUATOR

IA-LM

IS INSTALLED ON A SHOULDER.

SEE PAGE 505.03 FOR SITE PREPARATION REQUIREMENTS WHEN IMPACT ATTENUATOR11.

NEW 07/16





CRITERIA AND BEEN ACCEPTED BY FHWA.

ALL UNITS MUST HAVE SUCCESSFULLY PASSED MASH OR THE NCHRP 350 TL-3 TESTING

PROVISIONAL MASH LIST FOR TYPE I RE-DIRECTIVE LOW MAINTENANCE CATEGORY.

IMPACT ATTENUATOR SHALL BE SELECTED FROM VDOT'S NCHRP 350 APPROVED OR2.




REFERENCE

SPECIFICATION



SHEET 2 OF 2

505.11

REVISION DATE

512

505

221

105

IMPACT ATTENUATOR

( TL-3 > 40 MPH )

LOW MAINTENANCE TYPE 1 RE- DIRECTIVE IMPACT ATTENUATOR

A

A

PLAN VIEW

TRAFFIC

TRAFFIC

TRAFFIC

TRAFFIC

(UNI-DIRECTIONAL)

WAY TRAFFIC

REQUIRED WITH TWO

TRANSITION PANEL

B

B

SECTION A-A

SECTION B-B

3' MIN. 3' MIN.

3' MIN.3' MIN.

* *

**

PLAN VIEW



4' MIN.

VARIABLE

4' MIN.

VARIABLE



*POLICY.




CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE

CONC. FOUNDATION

COMPACTED UNDER

SUB-BASE TO BE

(BI-DIRECTIONAL)

IA-LM

NEW 07/16




55°

NEUTRAL AXIS

10°

SECTION THRU RAIL ELEMENT AND

12•" LAP

CL

L

Š"

•"

55°

55°

55°55°

4‚"4‚"

2"2" SLOTTED HOLE

†"

12‚

"

W BEAM BACK-UP PLATE

3‚"

1̂ "

2Š

"3‚

"1„

"3‚

"2

Š"

…" R

ƒ" x 2•"

“"

1Š

"

1˜"

…" R

†-11 NC-2

†-11 NC-2

ž" x 1„"55°

SLOTTED HOLE

L= 1‚" FOR SPLICE BOLT-FULL LENGTH THREADS

•" R

1 ‚"

• "

BOTH SIDES

RECESS ONE OR

1" DIA.. x ˆ" DEEP,


REFERENCE

SPECIFICATION


REVISION DATE

506.01

SHEET 1 OF 3

L= 2" FOR SPLICE BOLT-FULL LENGTH THREADS ON NESTED W BEAMS.

(GUARDRAIL BOLT)

DETAIL OF BUTTON HEAD BOLT AND RECESS NUT

SPECIFICATIONS.


NOTES:

8 PER SPLICE

"SPLICE BOLT" WITH NUT

OF TRAFFIC

LAP IN DIRECTION

DETAIL OF MID-SPAN SPLICE JOINT

L= 14" FOR STEEL POST WITH 12" BLOCKOUT BOLT-1•" MIN. THREADS

L= 18" FOR STEEL POST WITH 16" BLOCKOUT DEPTH BOLT-2" MIN. THREADS

L= 26" FOR STEEL POST WITH 24" BLOCKOUT DEPTH BOLT-2" MIN. THREADS

505

221

NEW 02/17


MGS-HDW




3"

7‚"

2"3"4‚" 4‚"

30°

8•" 7•"

D/2

DIA

ME

TE

R

8•"

30°

W BEAM TERMINAL CONNECTOR

W BEAM END SECTION (ROUNDED)

W BEAM END SECTION (BUFFER)

AP

PR

OX.

12‚

"

3…

"2'-6"

1'-10ƒ"

4" 4"

3•

"1" HOLES

2‚"

1'-

0‚

"

1'-

4"

STANDARD DIMENSIONS OF 12•", 24" AND 30" ARE SUGGESTED.

6‚" R

2‚"

2'-0" APPROX.

1'-

0‚

"

1'-

4"

3" MIN.

NEUTRAL AXIS

3•

"

SLOT (OPTIONAL)

ƒ" X 2•" POST BOLT

L

AP

PR

OX.

"žX 3" SLOTS

SPLICE BOLT SLOT

žX 1„""

C SLOTTED HOLES žX 1„""

3"

7‚"

2"3"4‚" 4‚"

30°

8•" 7•"

D/2

8•"

30°

W BEAM TERMINAL CONNECTOR

W BEAM END SECTION (ROUNDED)

W BEAM END SECTION (BUFFER)

AP

PR

OX.

12‚

"

3…

"2'-6"

1'-10ƒ"

4" 4"

3•

"1" HOLES

2‚"

1'-

0‚

"

1'-

4"

STANDARD DIMENSIONS OF 12•", 24" AND 30" ARE SUGGESTED.

6‚" R

2‚"

2'-0" APPROX.

1'-

0‚

"

1'-

4"

3" MIN.

NEUTRAL AXIS

3•

"

SLOT (OPTIONAL)

ƒ" X 2•" POST BOLT

L

AP

PR

OX.

TRAFFIC AT SPLICE JOINT.

LAP IN DIRECTION OF

"žX 3" SLOTS

SPLICE BOLT SLOT

žX 1„""

C SLOTTED HOLES žX 1„""

REFERENCE

SPECIFICATION



SHEET 2 OF 3

506.02

REVISION DATE

505

221

SPECIFICATIONS.


NOTES:

NEW 02/17

MGS-HDW



13' - 6•"

12' - 6"

5 ƒ" x 2•" SLOTTED HOLES AT 3'-1•" SPACING


STANDARD 12'-6" W-BEAM SECTION

STANDARD 25' W-BEAM SECTION

25'

26'-•"



2"2"

3"

3"2"8"

1" O Holes (Typ.)

CL

20"

TOLERANCE

10

20"

3‰

"

2…" 3‚" 3‚"

•"R

ˆ"

4‚"

4‚"

8•"

4‚"4‚"

2‰

"7

†"

7†

"2

‰"

3…

"

7'-3•"

6‰

"6

‰"

7†

"

2'-6"

4‚" 4‚"

7‚"

1̂ "

…" R

2‚

"

POST BOLT SLOT

SPLICE BOLT SLOT

12‚

"

ž" X 1„" SLOTS

+ -

SPLICE BOLT SLOT

2" MIN.

3'-1 •" 3'-1 •"

-+

+-

+

-

‚"2"

20"

‰"

+

-

‚"2"

‰"

1̃"

"•R

1 „"

žX 1 „" (TYP.)

"

ƒ" X 2•" (TYP.)

2" MIN.

1 ‚"

1 ‚"

žX 1„""

SPLICE DETAIL

SECTION THRU THRIE BEAM RAIL ELEMENT

THRIE BEAM TERMINAL CONNECTOR DETAIL

THRIE BEAM GUARDRAIL HARDWARE

SECTION THRU THRIE BEAM RAIL ELEMENT


REFERENCE

SPECIFICATION


REVISION DATE

506.03

SHEET 3 OF 3

505

221

THICKNESS

SHEET

0"

‰"

POST BOLT SLOT

(OPTIONAL)

POST BOLT SLOTS

OF TRAFFIC

LAP IN DIRECTION

CENTERS TO BE DESIGNATED.

AND THE SUM OF POST BOLT SLOT

DISTANCE BETWEEN POST SLOTS

ƒ" X 2•"

AXIS

NEUTRAL

SLOT (OPTIONAL)

ƒ" x 2•" POST BOLT

37•"

87•"

37•"

12‚

12•"

62•"

19‡"

12•"

SPECIFICATIONS.


NOTES:

(W-BEAM TO THRIE BEAM)ASYMMETRICAL TRANSITION SECTION DETAIL

(W-BEAM TO THRIE BEAM)SYMMETRICAL TRANSITION SECTION DETAIL

6‚"

4‚"

6„"2"

4‚"

2"

4‚"

POST BOLT SLOTS

ƒ" X 2•" (TYP.)

POST BOLT SLOT

MGS-HDW


NEW 02/17




REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



NOTES:

REFERENCE

SPECIFICATION

505

236

221



REVISION DATE

506.04

SHEET 1 OF 2

MIDWEST GUARDRAIL SYSTEM

6'-3" 6'-3" 3'-1•" 3'-1•" 3'-1•" 3'-1•"

GR-MGS1, 1A

(6'-3" POST SPACING) (3'-1•" POST SPACING)

GR-MGS1 GR-MGS1A

SPLICE MID-SPAN

W-BEAM RAIL

SPLICE DETAIL

(STANDARD AND REDUCED POST SPACING)

AS DIRECTED BY THE ENGINEER.

ONLY AND CAN BE ADJUSTED DURING CONSTRUCTION IF AND

GUARDRAIL LOCATIONS SHOWN ON PLANS ARE APPROXIMATE 1.

FOR DETAILS OF POST AND BLOCKOUTS SEE SHEET NO. 506.05.2.

HARDWARE SEE SHEETS 506.01 AND 506.02.

FOR DETAILS OF RAIL ELEMENT, AND ASSOCIATED3.

SECTION 505 OF THE SPECIFICATIONS.

SET AND ALIGNED WITHOUT ALTERATION OR FORCE, AS PER

FROM VERTICAL. W-BEAM, BLOCKOUTS, AND POSTS SHALL BE

NOT BE SET WITH A VARIATION OF MORE THAN „" PER FOOT

ALL GUARDRAIL POSTS SHALL BE SET PLUMB. POST SHALL 6.

OF VEHICULAR TRAVEL FOR THE FINISHED ROADWAY.

ALL W-BEAM RAILS SHALL BE LAPPED IN THE DIRECTION7.

STANDARD GR-INS.

AT A HEIGHT OF 30" MIN - 32" MAX AS MEASURED PER

ALL GR-MGS1 AND GR-MGS1A RAIL SHALL BE MAINTAINED 5.

8 PER SPLICE

"SPLICE BOLT" WITH NUT

SHALL BE SHOP CURVED AND PAID FOR AS RADIAL GR-MGS1, OR 1A.RAIL ELEMENTS WITH RADII LESS THAN OR EQUAL TO 150 FEET4.

MIN. DISTANCE FROM FACE OF RAIL TO FIXED OBJECT = 60" MIN. DISTANCE FROM FACE OF RAIL TO FIXED OBJECT = 48"

TRAFFIC DIRECTION FOR RAIL LAP AS SHOWN

(SEE NOTE 7)

FOR STANDARD POST SPACING (6'-3")

RAIL SPLICE SHALL BE PLACED MID-SPAN

FLARE RATES

DESIGN

SPEED SHY LINE

INSIDE

SHY LINE

BEYOND

MPHSHY

LINERATE

FLARE FLARE

RATE

50

40

30

30:1

26:1

21:1

13:1 7:1

8:1

11:1

14:1

15:1

8'

5'

LS

70

60



9'

6.5'

4'

16:1

STANDARD IS NOT PERMITTED.

ADJUSTING EXISTING GUARDRAIL TO MEET THE MGS1 8.


GUARDRAIL RADIAL GR-MGS1, 9' POST

GUARDRAIL RADIAL GR-MGS1A

GUARDRAIL RADIAL GR-MGS1

GUARDRAIL GR-MGS1, 9' POST

GUARDRAIL GR-MGS1A

GUARDRAIL GR-MGS1

DESCRIPTION

LF13285

LF13284

LF13283

LF13282

LF13281

LF13280

ITEM CODE

NEW 02/17



REFERENCE

SPECIFICATION



SHEET 2 OF 2

506.05

REVISION DATE

6' STEEL POSTSTANDARD INSTALLATION

STEEL POST

4'-0"

& NUT

†"x14" BOLT

STEEPER THAN 4:1

GUARDRAIL POSTS

SITES REQUIRING 9'

GUARDRAIL INSTALLATION

4" MIN.LESS THAN 2'

505

236

221

ALL BOLTS, NUTS, WASHERS, AND OTHER STEEL ITEMS ARE TO BE GALVANIZED.1.

31"

1' -9"

1' -9"

WOOD BLOCKOUT

6" WIDE ROUTED

IN ACCORDANCE WITH THE SPECIFICATIONS.

WOOD BLOCKOUTS SHALL BE TREATED WITH A WOOD PRESERVATIVE 3.

NOTES:

MIDWEST GUARDRAIL SYSTEM(STANDARD AND REDUCED POST SPACING)

31"

IN GUARDRAIL COMPONENTS.

DIMENSION MAY VARY PLUS OR MINUS ‚" DUE TO MANUFACTURING TOLERANCES4.

SEE NOTE 4

****

****SEE NOTE 4

USED IN ANY SINGLE RUN OF GUARDRAIL.

PROJECT WITH THE RESTRICTION THAT THE SAME TYPE OF BLOCKOUT MUST BE

PRODUCTS LIST. APPROVED BLOCKOUTS MAY BE INTERCHANGED ON ANY ONE

MASH TESTING CRITERIA. BLOCKOUTS SHALL BE FROM THE VDOT APPROVED

BLOCKOUTS OTHER THAN SHOWN SHALL BE A VDOT APPROVED PRODUCT MEETING 2.

12" BLOCKOUT

POST 6' LENGTH

W6x9 OR W6x8.5 STEEL

6' OR 9' LENGTH

STEEL POST

W6x9 OR W6x8.5

POST 9' LENGTH

W6x9 OR W6x8.5 STEEL

NEW 02/17

HOLE

ƒ" DIA

7„"

ƒ"

1ƒ"

6"

12"

7"

14"

ƒ" HOLE

‡"

12"

PINE BLOCK.

6"x 12"x1'-2" TREATED 6"

14"

…"


GR-MGS1, 1A

OR FLATTER

SLOPE 10:1 MAXIMUM

OR FLATTER

SLOPE 10:1 MAXIMUM



REFERENCE

SPECIFICATION

505

236

221



REVISION DATE

506.06

SHEET 1 OF 3

MIDWEST GUARDRAIL SYSTEM(TANGENT END TERMINAL)

NOTES: ELEVATION

PLAN

GR-MGS2

50'

PAY LIMITS GR-MGS2 TERMINAL

31"SPLICE MID-SPAN

W-BEAM RAIL

6'-3" (TYP.) 6'-3" (TYP.)

TERMINAL HEAD

TERMINAL HEAD

(1)(2)(3)(4)(5)(6)(7)(8)(9)

TRAFFIC



BE FROM THE VDOT APPROVED PRODUCTS LIST.

MEETING MASH TESTING CRITERIA. ANY TERMINAL USED FOR THE GR-MGS2 SHALL

TANGENT END TERMINAL (GR-MGS2) SHALL BE A VDOT APPROVED PRODUCT1.

MANUFACTURER'S PLANS FOR THIS INFORMATION.

INFORMATION NOT SHOWN WILL VARY FOR EACH MANUFACTURER. SEE INDIVIDUAL

THIS DRAWING IS REPRESENTATIONAL ONLY. DETAILS, DIMENSIONS, QUANTITIES, AND OTHER 3.



COLOR:

TO PASS.





NOTE 2C.

AND RUN-OFF SEE

LIMITS FOR RUN-ON

WITHIN TERMINAL PAY

RAIL LAP AT SPLICE,

LENGTH OF NEED

(10)(11)

31" GUARDRAIL

STANDARD GR-MGS1

THE ENGINEER)

THE PLANS OR BY

(WHEN SPECIFIED ON

HEIGHT TRANSITION

STANDARD GR-MGS4


EACHITEM CODE 13286

09/17

HEIGHT MEASURED AT TOP OF W-BEAM IS 30" MIN. - 32" MAX.E.

REGARDLESS OF ADJACENT TRAFFIC DIRECTION. (SEE DETAIL THIS SHEET)

INSTALL AS SHOWN IN THE MANUFACTURER'S INSTALLATION INSTRUCTIONS

DO NOT CHANGE THE LAPPING OF TERMINAL FOR ANY INSTALLATIONS. D.

MARKERS AND BRIDGE END PANELS. (SEE NOTE 4)

CONFORM TO MUTCD APPLICATION FOR DIAGONAL STRIPES ON OBJECT

DIRECTION OF THE REFLECTIVE TAPE ON THE TERMINAL HEAD SHALL C.

INSTALLING GR-MGS2 TERMINAL ON A RADIUS IS NOT PERMITTED.B.

SHALL BE INSTALLED WITHOUT AN OFFSET.

ALL STANDARD GR-MGS2 TERMINALS (SIMILAR TO AS SHOWN ABOVE) A.

INSTALLATION INSTRUCTIONS AND THE FOLLOWING VDOT REQUIREMENTS:

ALL TERMINALS SHALL BE INSTALLED ACCORDING TO THE MANUFACTURER'S 2.



REFERENCE

SPECIFICATION



SHEET 2 OF 3

506.07

REVISION DATE

GR-MGS2


505

236

221

EXISTING SLOPE

15:1 TAPER


(S

EE

NO

TE 1)SLOPE HINGE POINT

SLOPE HINGE POINT

25'-0"

(SEE NOTE 2)

4:1 MAX. SLOPE TO TOE OF SLOPE

PROPOSED SLOPE

TRANSITION TO

MIN.

6'-

0"

15:1 TAPER

10'-0"

10:1

MA

X.

SL

OP

E

A

A

B

B

SECTION A-A

SECTION B-B

NOTES:

THE FACE OF RAIL TO THE HINGE POINT, AS SHOWN, IS REQUIRED.

SLOPE DUE TO THE SUPERELEVATION OF THE ROADWAY PAVEMENT, THE MINIMUM OFFSET FROM

ITS FULL LENGTH, MUST BE A MAXIMUM OF 10:1. IF THE EXISTING GRADE IS FLAT OR IS A POSITIVE

THE CROSS SLOPE OF THE GRADE APPROACHING THE GUARDRAIL TERMINAL, AND ADJACENT TO FOR 1.

6'-0"

4'-0"

6'-0" MEASURED FROM THE FACE OF RAIL.

FOR NEW CONSTRUCTION AND RECONSTRUCTION, THE 10:1 SLOPE GRADING SHALL EXTEND A MINIMUM OF 3.

SITE PREPARATION REQUIREMENTS FOR GR-MGS2

HINGE POINT

HINGE POINT

4:1 OR FLATTER

(SEE NOTE 1)

10:1 MAX.

(SEE NOTE 1)

10:1 MAX.

4'-0"

**

****

MEASURED FROM THE FACE OF RAIL

GR-MGS2 TERMINAL

50'-0"

PRECEDENCE OVER THIS STANDARD IF ADDITIONAL GRADING IS REQUIRED.

FOR PROPRIETARY GUARDRAIL TERMINALS, THE MANUFACTURER'S SITE PREPARATION REQUIREMENTS TAKE 4.


FROM FIXED OBJECTS. IF A CLEAR RUN OUT IS NOT ATTAINABLE THIS AREA SHALL AT LEAST BE

THE AREA IMMEDIATELY BEHIND AND BEYOND THE TERMINAL SHALL BE TRAVERSABLE AND FREE 2.

POST 1CENTER OFFROM THEMEASURED


09/17



REFERENCE

SPECIFICATION

505

236

221



REVISION DATE

506.08

SHEET 3 OF 3


GR-MGS2

EXISTING SLOPE


(S

EE

NO

TE 1)

SLOPE HINGE POINT

SLOPE HINGE POINT

25'-0"

(SEE NOTE 2)

4:1 MAX. SLOPE TO TOE OF SLOPE

PROPOSED SLOPE

TRANSITION TO

10'-0"

10:1

MA

X.

SL

OP

E

A

A

B

B

4'-0"

**

****

MEASURED FROM THE FACE OF RAIL

GR-MGS2 TERMINAL

50'-0"

MIN.

4'-

0"

POST 1CENTER OFFROM THEMEASURED

10:1 TAPER

10:1 TAPER

NOTES:

SECTION A-A

SECTION B-B

4'-0"

HINGE POINT

HINGE POINT

4:1 OR FLATTER

(SEE NOTE 1)

10:1 MAX.

(SEE NOTE 1)

10:1 MAX.

THE FACE OF RAIL TO THE HINGE POINT, AS SHOWN, IS REQUIRED.

SLOPE DUE TO THE SUPERELEVATION OF THE ROADWAY PAVEMENT, THE MINIMUM OFFSET FROM

ITS FULL LENGTH, MUST BE A MAXIMUM OF 10:1. IF THE EXISTING GRADE IS FLAT OR IS A POSITIVE

THE CROSS SLOPE OF THE GRADE APPROACHING THE GUARDRAIL TERMINAL, AND ADJACENT TO FOR 1.


FROM FIXED OBJECTS. IF A CLEAR RUN OUT IS NOT ATTAINABLE THIS AREA SHOULD AT LEAST BE

THE AREA IMMEDIATELY BEHIND AND BEYOND THE TERMINAL SHOULD BE TRAVERSABLE AND FREE 2.

4'-0"

LIMITED USE SITE PREPARATION REQUIREMENTS FOR GR-MGS2

OR OTHER SUITABLE MATERIAL AS APPROVED BY THE ENGINEER.

FROM THE FACE OF RAIL AND GRADING SHALL CONFORM TO THE DETAILS ABOVE. USE 21B AGGREGATE,

THE SITE PREPARATION REQUIREMENTS ON PAGE 506.07. THE SLOPE SHALL EXTEND A MINIMUM OF 4'-0"

FOR LIMITED APPLICATIONS AS DESCRIBED IN NOTE 3, THE GRADING SHOULD BE AS CLOSE AS POSSIBLE TO 4.

UNLESS APPROVED BY THE ENGINEER.

NOT FOR USE ON INTERSTATES, FREEWAYS, OR NEW CONSTRUCTION.

REQUIREMENTS ON PAGE 506.07.

MAY BE USED WHEN SPECIFIED IN THE PLANS FOR 3R WORK THAT CANNOT CONFORM TO THE SITE PREPERATION

NOT FOR USE ON INTERSTATES, FREEWAYS, OR NEW CONSTRUCTION, UNLESS APPROVED BY THE ENGINEER. 3.


09/17



REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



GR-MGS3

REFERENCE

SPECIFICATION

505

236

221



REVISION DATE

506.09

SHEET 1 OF 2

MIDWEST GUARDRAIL SYSTEM(TRAILING END ANCHORAGE)

SEE DETAIL A

SEE STD GR-HDW

END SECTION

PLAN

ELEVATION

DETAIL A

NUT AND WASHER

BEARING PLATE,

TUBE

FOUNDATION

STEEL

6'-3"

OR PAVEMENT

TOP OF GROUND

WITH ‡" FLAT WASHERS

HEAD BOLT AND NUT

‡" x 7•" LONG HEX

10" LONG WITH WASHERS

†" HEX. BOLT AND NUT

STRUT AND YOKE ASSEMBLY

STEEL FOUNDATION TUBE

ANCHOR BRACKET

ASSEMBLY

ƒ" CABLE ANCHOR

3'-11ƒ"

6‚"

6'-3" 3'-1•"

6‚"

W BEAM END PANEL DETAIL

BOLT DETAILANCHOR BRACKET

GR-MGS3 PAY LIMIT

STANDARD MID-SPAN SPLICE

ASSEMBLY

ƒ" CABLE ANCHOR POST SLEEVE

AND NUT WITH WASHERS

†" HEX. BOLT 10" LONG

MGS TIMBER POST

MGS TIMBER POST

MGS TIMBER POST

10" LONG AND NUT

†" GUARDRAIL BOLT

10" LONG AND NUT

†" GUARDRAIL BOLT

12"ANCHOR BRACKET HOLES TYP.

ƒ" x 2•" SLOTTED HOLES TYP.

W-BEAM END PANEL

STANDARD SPLICE HOLES TYP.

NOTES:

THE DETAILS ABOVE.

WITH THE GR-MGS1 STANDARD AND LOCATED AS SHOWN IN

STEEL POST, BLOCKOUT, AND SPLICE SHALL BE IN ACCORDNCE 2.

CONDITIONS ON DIVIDED HIGHWAYS.

USE OF THIS TRAILING END ANCHORAGE IS RESTRICTED TO RUN-OFF 1.

70"

EACHITEM CODE 13287

NEW 02/17

AND NUT

HEAD BOLT, WASHERS

†" x 1•" LONG HEX

W6x9 OR W6x8.5 STEEL POST 6' LENGTH

31"

6'-1ƒ"

10'-5"

IN ACCORDANCE WITH THE SPECIFICATIONS.

WOOD POSTS SHALL BE TREATED WITH A WOOD PRESERVATIVE 4.

BE GALVANIZED.

ALL BOLTS, NUTS, WASHERS, AND OTHER STEEL ITEMS ARE TO 3.




REFERENCE

SPECIFICATION

VIRGINIA DEPARTMENT OF TRANSPORTATION221

505

GR-MGS3

SECTION A-A

ƒ" 6X19 IWRC IPS CABLE

2" 2"4"4"4"

16"

HOLE

1„" DIA.

COLD FORM

PLATE ONE PIECE

‰" STEEL ANCHOR

BEARING PLATE

STEEL FOUNDATION TUBE

YOKE

MIDWEST GUARDRAIL SYSTEM(TRAILING END ANCHORAGE)

CABLE ANCHOR ASSEMBLY

STRUT

ENTIRE LENGTH1" - 8UNC STUD THREADED

6" x 3" 10 GAUGE

MGS TIMBER POST

DETAIL B

SEE DETAIL B

STRUT AND YOKE ASSEMBLY

POST SLEEVE

1…"

1•"

2ƒ"

17"

72"

7•"

2ƒ"3ƒ"

5•"

46"

7„"

17•"

23‡"

8"

8"

†"

3"

4"

1" DIA.

1„" DIA.

2…" O.D.6"

2•" DIA.

‡" DIA.

ƒ" DIA.

STRUT

YOKE

75"

78"

67"

15"7" 5" ƒ" 6X19 IWRC IPS CABLE

50"

80"

6" 8"

‰" WALL THICKNESSANCHOR BRACKET DETAILSEND PLATE

ANCHOR BRACKET

1"

ƒ" DIA.

3"

6"

3"

…"

5†" 1ƒ"

1ƒ"

3Š"

…"

ƒ" DIA. TYP.

‰

‚

‰

8•"

3"

‡" x 2" SLOT

4"4‚"

3"

•"

R=•"R=•"

5•"

FITTING

STANDARD SWAGGED

END PLATE

ANCHOR BRACKET

1‚" DIA.

ASTM A53 GRADE B SCHEDULE 40

Ž"

1•"

35°


SHEET 2 OF 2

506.10

REVISION DATE

NEW 02/17




GR-MGS4

REFERENCE

SPECIFICATION

505

236

221



REVISION DATE

506.11

SHEET 1 OF 1

MIDWEST GUARDRAIL SYSTEM(TRANSITION FROM MGS 31" HEIGHT TO GR-2 27ƒ" HEIGHT)

6'-3"6'-3" 6'-3" 6'-3"3'-1•"

4'-0" MIN.

3'-0" MIN.

27ƒ"31"

NOTES:

PLAN

ELEVATION

8" BLOCKOUT

SPLICE AT POST

W-BEAM RAILSPLICE AT POST

W-BEAM RAIL

SPLICE MID-SPAN

W-BEAM RAIL

STANDARD AND LOCATED AS SHOWN IN THE DETAILS ABOVE.

POSTS, BLOCKOUTS, AND SPLICES WILL BE IN ACCORDNCE WITH THE GR-MGS12.

STANDARD GR-MGS4 TRANSITION WILL BE PAID FOR AS EACH COMPLETE IN PLACE.4.

HINGE POINT

34' - 4•"

13' - 6•"

12' - 6"


31"

SPLICE MID-SPAN

W-BEAM RAIL

6'-3"

DIRECTLY TO HEIGHT TRANSITION.

WHEN TERMINAL CONNECTS

POST (9) OF GR-MGS2 TERMINAL

W-BEAM SECTION

STANDARD 12-6"


12'-6" W-BEAM SECTIONSEE NOTE 1SEE NOTE 1

09/17

END TERMINAL WILL BE A VDOT APPROVED PRODUCT MEETING MASH TESTING CRITERIA. 5.

STANDARD 6 FOOT POSTS WILL BE USED UNLESS OTHERWISE NOTED ON PLANS3.

GR-MGS4 HEIGHT TRANSITION.

DEPTH OF THE GR-MGS2 TERMINAL WHEN THE TERMINAL TIES DIRECTLY TO THE

THE BLOCKOUT DEPTH OF THE GR-MGS4 TRANSITION WILL MATCH THE BLOCKOUT 6.

(SEE NOTE 6)

12" BLOCKOUT

ITEM CODE 13288 GUARDRAIL HEIGHT TRANSITION GR-MGS4 EACH

PAY LIMITS GR-MGS4 HEIGHT TRANSITION

SINGLE 25' W-BEAM WITH ƒ" x 2•" SLOTTED HOLES AT 3' - 1•" SPACING.

2 - STANDARD 12'-6" SECTIONS OF W-BEAM (SPLICES AS SHOWN) OR A

HEIGHT TRANSITION FROM 31" GR-MGS1 TO 27ƒ" GR-2 WILL REQUIRE1.

OR STANDARD GR-MGS2

STANDARD GR-MGS1



REFERENCE

SPECIFICATION




SHEET 1 OF 1

.

REVISION DATE

TITLE

STANDARD



221

505VIRGINIA DEPARTMENT OF TRANSPORTATION

REFERENCE

SPECIFICATION


REVISION DATE

507.01

SHEET 1 OF 4

SHOULDER


VARIES

*

*

GR-MGS-INS

TO CURB OR CURB & GUTTER

MEASURING GUARDRAIL HEIGHT ADJACENT

SLOPE RELATIVE TO SHOULDER HINGE POINT

MEASURING GUARDRAIL HEIGHT ON FRONT

HEIGHT PER STANDARD GR-MGS1

4' MINIMUM

4' MINIMUM

4' MINIMUM

PAVEMENT SLOPE

PROJECTED

FACE OF CURB.

OF RAIL WHEN OFFSET FROM THE

SHALL BE MEASURED AT THE FACE

THE HEIGHT OF THE GUARDRAIL

SEE CHAPTER 2E OF THE VDOT ROAD DESIGN MANUAL

FOR GUARDRAIL DESIGN POLICIES USING CURB OR CURB & GUTTER

OR FLATTER

SLOPE 10:1 MAXIMUM

POINT

SLOPE HINGE

POINT

SLOPE HINGE

POINT

SLOPE HINGE

*

*

*

*


*


*


6' MINIMUM

2% MAX.

FACE OF CURB OR CURB & GUTTER

MEASURING GUARDRAIL HEIGHT & RAIL OFFSET FROM

APPLICABLE FOR DESIGN SPEEDS OF 45 MPH AND LESS.

ALL VDOT CURB TYPES

THE FACE OF CURB.

PROJECTED PAVEMENT ELEVATION AT

SHALL BE MEASURED FROM THE

IS USED THE HEIGHT OF THE GUARDRAIL

WHERE COMBINATION CURB & GUTTER

NOT USED.

SURFACE WHEN GUTTER PAN IS

OF CURB FROM THE PAVEMENT

SHALL BE MEASURED AT THE FACE

THE HEIGHT OF THE GUARDRAIL

WITH FACE OF CURB

FACE OF RAIL SHALL BE ALIGNED

WITH FACE OF CURB

FACE OF RAIL SHALL BE ALIGNED

NEW 02/17

IS APPLICAPLE FOR DESIGN SPEEDS OF 45 MPH AND LESS.

THE OPTION TO OFFSET GUARDRAIL FROM THE FACE OF CURB




221

505

RO

AD

SID

E

OB

ST

RU

CTIO

N

SECTION A-A

TRAFFIC RUN ON OR RUN OFF

6'-3"3'-1•" TYP. SPACING


SPACES BEFORE FIXED OBJECT

REFERENCE

SPECIFICATION


SHEET 2 OF 4

507.02

REVISION DATE

VARIABLE

8 ST'D. GR-MGS1A POST

LIMITS OF PAYMENT FOR ST'D. GR-MGS1A

ST'D. GR-MGS1

O

P

S

TABLE I

TABLE II

S

WIDTH

(P )WIDTH

PAVED SHOULDER

S

OFFSET FROM


(O)

(O)


OFFSET FROM

S

PAVED SHOULDER

WIDTH

(P )

16'

14'

12'

3' or 4'

12'

10'

8'

16'

14'

12'

9'

12'

10'

8'

6'

5'

8'

TOTAL SHOULDER

(S)

18' 12' 14'

(S)

WIDTH

TOTAL SHOULDER

18' 12' 14'

6' or 10'

6' 0 2'

8' 4'

TRAFFIC LANES LEFT OF TRAFFIC


TRAFFIC LANES RIGHT OF TRAFFIC




NORMAL GUARDRAIL LOCATION

SEE STANDARD MC-4 FOR PAVING UNDER GUARDRAIL.

MANUAL.

CLASSIFICATION AS DEFINED IN THE ROAD DESIGN

BE IN ACCORDANCE WITH THE ROADWAY

FACE OF THE RAIL. THE PAVED WIDTH USED SHALL

THE PAVED SHOULDER MAY BE EXTENDED TO THE

PAVED SHOULDER WIDTHS SHOWN ARE MINIMUM.

NOTE:

(SEE NOTE)

(SEE NOTE)

(PAVED & GRADED)

(PAVED & GRADED)

3' or 4' 5'9'

6'

0 or 2'

6' 0 2'

8' 4'0 or 2'

0 or 4'

GR-MGS1A, 4'-0" MIN.

GR-MGS1, 5'-0" MIN.

SHOULDER

PAVED

DESIGN FROM EACH END OF FIXED OBJECT.

FOR TWO WAY TRAFFIC, USE 8 POST SPACING

@ 6'-3"

25' MIN.

OBSTRUCTION

ROADSIDE

A

A

UNDERGROUND OR LOW PROFILE OBSTRUCTION

DETAIL OF MULTIPLE BLOCK-OUT TO AVOID

CONCRETE BARRIER

USE PERMANENT

CANNOT BE OBTAINED

IF 3'-4" DIMENSION

3'-4" ABSOLUTE MINIMUM

SYSTEM (BPPS) SHALL BE USED.

OR BRIDGE PIER PROTECTION

PERMANENT CONCRETE BARRIER

GUARDRAIL CANNOT BE MET A

IF THE MINIMUM DEFLECTION FOR

OBSTRUCTION

OR LOW PROFILE

UNDERGROUND

D

D

SECTION D-D

GR-MGS-INS


10'

4' or 10'

4' or 8'

10'

(25'-0") MIN.

4', 5', or 6'

3', 4', 5', or 6'

0 or 4'

THE GUARDRAIL.

THE SHOULDER IN FRONT OF

SHALL BE THE SAME SLOPE AS

GRADING BEHIND THE GUARDRAIL

NEW 02/17


(24" MAXIMUM BLOCKOUT DEPTH)

2- 12" BLOCKOUTS FOR ONE POST ONLY.

BE LIMITED TO ONE IN ANY 100 FT LENGTH OF GUARDRAIL.

BLOCKOUTS GREATER THAN 16" UP TO 24" DEEP SHALL

DOUBLE STANDARD BLOCKOUTS OR COMBINATIONS OF

BLOCKOUTS.

OF A 4" AND A 12" BLOCKOUT OR 2 MASH APPROVED 8"

POSTS. THIS WILL BE ACCOMPLISHED WITH A COMBINATION

BLOCKOUT DEPTH OF 16" MAY BE USED FOR A SERIES OF

IN PRICE BID PER LINEAR FOOT OF GUARDRAIL.

COST OF ADDITIONAL BLOCKOUTS TO BE INCLUDED



221

505

TRAFFIC

8 SPACES @ 6'-3"

ST'D. GR-8

TRAFFIC

ST'D. GR-8A ST'D. GR-8B


REFERENCE

SPECIFICATION


REVISION DATE

507.03

SHEET 3 OF 4

12'-6" SPACING

WEAK POST @

(WEAK POST)

4 SPACES @ 6'-3"

(WEAK POST)

8 SPACES @ 3'-1•"

(TYP.)

32‚" HEIGHT

@ 12'-6" SPACING

GR-8 (WEAK POST)

31" HEIGHT

ST'D. GR-MGS1

GR-MGS2

TRANSITION FROM GR-MGS2 TERMINAL TO WEAK POST GUARDRAIL

GR-MGS2

GR-MGS-INS

(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)

THE ENGINEER)

THE PLANS OR BY

(WHEN SPECIFIED ON

HEIGHT TRANSITION

STANDARD GR-MGS4GR-MGS2


HEIGHT DIFFERENCE

ADJUST FOR RAIL

GR-MGS2 TERMINAL TO GR-MGS4 HEIGHT TRANSITION


HEIGHT DIFFERENCE

ADJUST FOR RAIL

09/17

@ 12'-6" SPACING

GR-8 (WEAK POST)

GR-MGS1

HEIGHT DIFFERENCE

ADJUST FOR RAIL

TRAFFIC

TO WEAK POST GUARDRAIL

TRANSITION FROM GR-MGS2 TERMINAL

TO WEAK POST GUARDRAIL

TRANSITION FROM GR-MGS1 GUARDRAIL

3 SPACES @ 6'-3"

1 SPACE @ 3'-1•"

GR-MGS1

7 SPACES @ 6'-3"

1 SPACE @ 3'-1•"

(ONE WAY) (ONE WAY)

(TWO WAY)



ST'D. GR-8B ST'D. GR-8A ST'D. GR-8

TRAFFIC

221

505

@ 6'-3" SPACING

4 SPACES @ 6'-3"

50'-0"

8 SPACES @ 3'-1•"

REFERENCE

SPECIFICATION



SHEET 4 OF 4

507.04

REVISION DATE

HEIGHT DIFFERENCE

ADJUST FOR RAIL

@ 12'-6"

WEAK POST


GR-MGS1

TRANSITION FROM WEAK POST (STANDARD GR-8) TO GR-MGS1 GUARDRAIL

NEW 02/17


GR-MGS-INS



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