attachment-4-bid-94-26.pdf

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REVISION DATE

*.DGN FILE NAME

GUARDRAIL STANDARD

GR-1

SAMPLE GUARDRAIL INSTALLATION LAYOUT

STANDARD SECTION

EAGRT TERMINAL UNIT EAGRT TERMINAL UNIT

ROADSIDE BARRIER - SEE NOTE NO. 1

TRAFFIC

9'-4•"

IF NECESSARY

(SEE GEN. NOTE 6.)

6'-3" 6'-3"

(TYP.)(TYP.)

GENERAL NOTES

2.

3.

4.

5.

1.

6.

7.

8.

STANDARD ELEMENTS

PLAN

ELEVATION

W-BEAM

PAY LIMITS FOR STANDARD SECTION

EDGE OF PAVEMENT

SHOULDER GRADE AT

ON THE TYPICAL SECTION

FACE OF GUARDRAIL AS SHOWN

12'-6"

WHICH HAVE ONLY BEEN TESTED AT 27".

OVER 50 FEET FOR ALL TERMINAL UNITS

TRANSITION RAIL HEIGHT FROM 31" TO 27"

3'-1•" 3'-1•"

6" x 8" SYNTHETIC OFFSET BLOCK (TYP.)

4" x 6" STEEL POST WITH

(TYP.)

6'-3"

6'-3"

9'-4•"

(SEE GEN. NOTE 6.)

IF NECESSARY

3'-1•"

9'-4•"

IF NECESSARY

(SEE GEN. NOTE 6.)

6'-3"

(TYP.)

(SHOWN)

6'-3" 6'-3"

(SEE NOTE NO. 5)

31" TYP.

APPROACH UNIT, ETC.

TERMINAL UNIT, BRIDGE

APPROPRIATE APPROVED

STANDARD SECTION

55°

10°

SECTION THRU RAIL ELEMENT

12‚"

…" R

•" R

•" R

ˆ

2Š"

3‚" 1„" 3‚" 2Š"

ˆ

NEUTRAL AXIS

12 GAUGE (0.109")

SHEET THICKNESS

5/8" BUTTON HEAD BOLT AND RECESSED NUT

Š"

Â

1Š"

1…" R

“" 1‚"

1‚"

2"

9•"

T INTENDED USEL

SHOULDER

L

T

FULL LENGTH THREAD RAIL SPLICE BOLTS

POST BOLT (STEEL POSTS)

POST BOLT

RECESS BOTH SIDES

1"Â x „" DEEP

4" MIN. THREAD LENGTH

DESIGNATOR

FBB01

FBB02

FBB03

[FBB01-03]

1ƒ" MIN. THREAD LENGTH

AT THIS TIME (NOMINALLY 25'=0")]

[8 SPACE W-BEAM GUARDRAIL UNDESIGNATED

RWM04a (NOMINALLY 12'-6")]

[4 SPACE W-BEAM GUARDRAIL DESIGNATED

5‡" 4"

W6 x 8.5

1„"

FRONTSIDE

ƒ" Â HOLE

STEEL POST

STRUCTURAL SHAPE

1„"

(SHOWN WITH FASTENERS)

TYPICAL FRONT VIEW

DETAILS FOR DIMENSIONS

SPLICE BOLT SLOT

SEE BOLT SLOT/

TYPICAL SIDE VIEW

(SHOWN WITH FASTENERS)

STEEL POST

RAIL

FACE OF

PAVEMENT

EDGE OF

[FBB03]

OFFSET BLOCK

SYNTHETIC

POST BOLT

BUTTON HEAD

2" 8•"

AT BEAM SPLICE

ELEVATION VIEW

2"

TRAFFIC

HEAD SPLICE BOLT

[FBB01] BUTTON

SEE NOTE 5

ž

®" R

1„"

SPLICE BOLT SLOT

2•" ƒ

…" R

BOLT SLOT

NOTE: LAP RAIL IN DIRECTION OF TRAFFIC

"7

1„" 1„"

TOP FRONT

Ž"Â HOLE

4•"

6" ƒ

SYNTHETIC OFFSET BLOCK

9.

APPROACH UNIT, ETC.

TERMINAL UNIT, BRIDGE

APPROPRIATE APPROVED

PLATFORM'S FOR OFFSET EAGRT'S

SEE SPECIAL DETAILS

NOTE:

GR-1

GR-1

IMPACTS.

CRASH WORTHY FOR END-ON

IS AN ANCHORAGE ONLY, NOT

TERMINAL UNIT TYPE G-2

THAN 4:1

SLOPES STEEPER

2' MINIMUM FOR

OR FLATTER

SLOPES 4:1

1' MINIMUM FOR

FLATTER SLOPE

4:1 OR

THAN 4:1

SLOPES STEEPER

STEEL POST

GENERAL NOTE 7

DETAIL FOR

CLARIFICATION

& HARDWARE DETAILS

STANDARD SECTION-STEEL POSTS

31" MID-SPLICE BEAM GUARDRAIL

OF EXISTING RUNS OF STRONG POST W-BEAM GUARDRAIL WITH OFFSET BLOCKS.

INCLUDES ALL NEW RUNS, REPLACEMENT RUNS, AND SUBSTANTIAL REPLACEMENT PORTIONS

USE: WHEREVER STRONG POST W-BEAM GUARDRAIL WITH OFFSET BLOCKS IS REQUIRED. THIS

PAID: LINEAR FOOT

ITEM 606.18001 - 31" W-BEAM GUARDRAIL WITH 8" OFFSET BLOCK (STEEL POST)

LETTER FOR MASH TEST LEVEL 3.

THIS GUARDRAIL SYSTEM HAS RECEIVED A FEDERAL ELIGIBILITY

SPECIFICATIONS AND DETAILS REMAIN IN FORCE.

C) ALL OTHER REQUIREMENTS OF THE PERTINENT

ON THE PLANS BUT IT MAY BE MORE.

IN THE SLOPE SHALL NOT BE LESS THAN WHAT IS SHOWN

B) THE DISTANCE FROM THE BACK OF THE POST TO THE BREAK

THE PLANS, AND

PAVEMENT OR AT THE INDICATED LOCATION AS SHOWN ON

A) THE FACE OF RAIL SHALL REMAIN AT THE EDGE OF

THE FOLLOWING APPLIES:

OTHER THAN THE NOMINAL DIMENSIONS AS SHOWN ON THE PLANS,

DIMENSIONS. IN ORDER TO USE ANY OFFSET BLOCKS THAT HAVE

WOULD BE CONSIDERED WITHIN THE NORMAL CONTEXT OF NOMINAL

BLOCKS HAVE OR MAY HAVE DIMENSIONS THAT VARY MORE THAN

LEVEL 3 OR HIGHER IN THE FUTURE. SOME OF THESE OFFSET

LEVEL 3 CRITERIA. OTHERS MAY BE ADDED UNDER MASH AT TEST

ARE ELIGIBLE FOR FEDERAL PARTICIPATION PER NCHRP 350 TEST

THE FHWA HAS LISTED OFFSET BLOCKS ON THEIR WEBSITE THAT

EROSION.

CRACKS PARALLEL TO THE ROADWAY, ETC.) OR ACTIVE

SHOWING SIGNS OF SLOPE MOVEMENT (SUCH AS DEPRESSIONS,

OR STONE LINED SLOPE. THE TERM STABLE INCLUDES NOT

TO THE SLOPE BREAK OF A STEEPER THAN 4:1 STABLE SOIL

OF THE GUARDRAIL POST ALONG A 10:1 OR FLATTER SLOPE

B) WHERE THERE IS A MINIMUM DISTANCE OF 2' FROM THE BACK

SLOPE TO THE SLOPE BREAK OF A 4:1 OR FLATTER SLOPE OR

BACK OF THE GUARDRAIL POST ALONG A 10:1 OR FLATTER

A) WHERE THERE IS A MINIMUM DISTATNCE OF 1' FROM THE

LONG, IS ONLY ALLOWED UNDER THE FOLLOWING CONDITIONS:

USE OF POSTS SHORTER THAN 7', BUT NOT LESS THAN 6'-0"

TAPERED SECTIONS.

CONSTRUCTION OF THE OFFSET GUARDRAIL TERMINAL UNITS AT THE

ALSO, THESE PANELS MAY BE USED TO FACILITATE THE

POST BRIDGE APPROACH UNITS AND GUARDRAIL TERMINAL UNITS.

CONVENTIONAL SPLICE ON POST W-BEAM GUARDRAIL AND SPLICE ON

9'-4•" W-BEAM RAIL PANELS MAY BE USED TO TRANSITION TO

PERFORMANCE.

AN ENGINEERING REVIEW TO ENSURE APPROPRIATE SYSTEM

ABOVE ARE ENCOUNTERED, ESTABLISH RAIL HEIGHT THROUGH

C) WHEN SITUATIONS OTHER THAN THOSE DESCRIBED IN A OR B

SIDEWALK AND THE CURB IS AT THE EDGE OF PAVEMENT

II) THE FACE OF RAIL IS AT THE BACK OF A CURBED

RAIL IS 10:1 OR FLATTER OR

THE CROSS SLOPE FROM THE EP TO THE FACE OF

I) THE FACE OF RAIL IS OFFSET FROM THE EP AND

FACE OF RAIL WHEN:

B) SET THE HEIGHT OF RAIL FROM THE GROUND AT THE

EDGE OF PAVEMENT.

PAVEMENT (EP) WHEN THE FACE OF RAIL IS AT THE

A) SET THE HEIGHT OF RAIL FROM THE EDGE OF THE

ESTABLISH RAIL HEIGHT AS FOLLOWS:

THAN 100' RADIUS.

USE 12'-6" LENGTH RAIL ELEMENTS IN RAIL CURVES OF LESS

MANUFACTURERS FOR THEIR PROPRIETARY PRODUCTS.

ON THE OTHER STANDARD SHEETS OR AS REQUIRED BY THE

ONLY USE RECTANGULAR PLATE WASHERS [FWR03] WHERE SHOWN

HARDWARE".

IN AASHTO'S "A GUIDE TO STANDARDIZED HIGHWAY BARRIER

ITEMS IN BRACKETS [ ] ARE DESCRIBED

G-2 TERMINAL UNIT.

TERMINAL UNIT OR CRASH CUSHION AS WELL AS THE ENTIRE

EXCLUDED FROM THIS IS THE GATING PORTION OF A GUARDRAIL

ADOPTED EDITION OF THE AASHTO ROADSIDE DESIGN GUIDE.

THE DEFINITION OF ROADSIDE BARRIER IS PER THE LATEST

THE FACE OF THE POST

INDENTATION AGAINST

PLACE OFFSET BLOCK

08-19-2015

N26ADH

Callout 7' Steel W2 Post

N26ADH

Callout 5/8"" x 1 3/4" W2 Buttonhead bolt

N26ADH

Callout W2 Polyoffset Block