Concrete Barrier Rail Drawing.pdf

REBAR DETAIL

(SEE NOTES)

REFLECTOR

* SEE NOTE

* SEE NOTE

PLAN VIEW

END VIEW

END VIEW

END VIEW

ELEVATION VIEW

* SEE NOTE

ELEVATION VIEW

BARRIER RAIL

CONCRETE

(SEE LOOP DETAIL)

LOOP (TYP.)

LOOP DETAIL

6"

OPTIONAL LOOP DETAIL

(TYP.)

CONNECTING PIN DETAIL

:LOOP FABRICATION REQUIREMENTS

LOOP DETAIL)

(SEE OPTIONAL

OPTIONAL LOOP (TYP.)

END 8

TAPERED

OPTIONAL

END 8

TAPERED

OPTIONAL

SHOWN FOR CLARITY

INTERMEDIATE REBAR NOT

UNLESS OTHER UNITS ARE SHOWN.

METRIC AND ARE IN MILLIMETERS (mm)

UNITS SHOWN IN BRACKETS [] ARE

5" [127]

1" [25] R

1" [25] R

[254] R

10"

[330]

1'-1"

[152]

6"

6" [152]

4" [102]

2'-8" [813]

[102]

4"

[102]

4"

2'-0" [610]

[102]

4"

[152]

6"

[813]

2'-8"

[152]

6"

[25]

1"

[25]

1"

[25]

1"

8" [200]

REBAR

#4 [#13]

3'-3" [991]

6" [152]

3'-1" [940] 3'-10" [1170]

3" [76]

6" [152]

10'-0" [3.05 m]

#5's [#16's] (TYP.)

(TACK WELD)

(1/4" [6] THICK)

3" [76] SQUARE WASHER

[305]

1'-0"

#6 [#19] REBAR

[22] R

7/8"

[102]

4" [152]

REINFORCING STEEL.

3. NO WELDING IS PERMITTED ON THE SMOOTH ROUND BARS OR

THE BAR TO FACILITATE BENDING.

ACCURATE RADIUS WITHOUT MARRING THE BAR. DO NOT HEAT

2. COLD BEND THE LOOPS BY USING A JIG THAT WILL PRODUCE AN

LOOPS.

M 270 [270M], GRADE 36 [250] TO FABRICATE THE OPTIONAL

1. USE CONTINUOUS SMOOTH ROUND BARS CONFORMING TO AASHTO

:OPTIONAL LOOP FABRICATION REQUIREMENTS

NOTES:

4" [102]

(TYP.)

4"

4"

[9.5 mm (6 mm)]

[9.5 mm (6 mm)]

[102 mm]

[102 mm]

OR

[251]

9 7/8"

[191]

7 1/2"

[191]

7 1/2"

[597]

1'-11 1/2"

1 1/4" [32]

3/4" [19] DIA. BAR

2'-10 3/4" [882]

3/8" (1/4")

3/8" (1/4")

3 1/4" [83]

2 1/4" [57]

1 3/4" [44]

[206]

8 1/8"

[191]

7 1/2"

[191]

7 1/2" 3 1/2" [89]

[273]

10 3/4"

[375]

1'-2 3/4"

3 1/2" [89]

[349]

1'-1 3/4"

[54]

2 1/8"

[44 (± 3)]

1 3/4" (± 1/8")

1 1/4" [32] R

[441]

1'-5 3/8"

5 1/4" [133]5 1/4" [133]

[292] R

11 1/2"

3/4" [19]

[44]

1 3/4"

3/8" [10]

[89]

3 1/2"

(SEE DETAIL)

SQUARE WASHER

PIN W/ 3" [76]

1 1/4" [32] DIA.

1 3/4" [44]

[206]

8 1/8"

[191]

7 1/2"

[191]

7 1/2"

[251]

9 7/8"

[191]

7 1/2"

[191]

7 1/2"

3/4" [19]

3/4" [19] DIA. BAR

7/8" [22] R

2 1/4" [57] R

IN THE PLANS.

CASE-BY-CASE BASIS AS SPECIFIED

DIA. HOLE IN THIS RAIL ON A

USE THE ALTERNATE 8" [200 mm]

CHAMFER IS ACCEPTABLE.

EDGE RESULTS.) 1/2" [13 mm]

ROUNDED SO THAT A SMOOTH

OPENING (OR SUFFICIENTLY

3/4" [19 mm] CHAMFER ENTIRE

[305]

1'-0"

[429]

1'-4 7/8"

[178]

7"

CROSSINGS **

SENSITIVE TO SMALL ANIMAL

HOLE FOR SPECIFIC SITES

ALTERNATE 8" [200] DIA.

1" [25]

SMOOTH ROUND BARS OR REINFORCING STEEL.

5. NO ADDITIONAL WELDING IS PERMITTED ON THE

TOGETHER PRIOR TO WELDING.

E8018 ROD. DO NOT TACK WELD THE PIECES

REQUIREMENTS USING 1/8" [3 mm] DIA.

4. WELD REBAR TO LOOPS MEETING SECTION 624

FACILITATE BENDING.

MARRING THE BAR. DO NOT HEAT THE BAR TO

WILL PRODUCE AN ACCURATE RADIUS WITHOUT

3. COLD BEND THE LOOPS BY USING A JIG THAT

36 [250].

CONFORMING TO AASHTO M 270 [270M], GRADE

2. LOOP ENDS CONSIST OF SMOOTH ROUND BARS

BEING WELDED TO LOOPS.

A 706 [706M], GRADE 60 [420] FOR REBAR

1. USE REINFORCING STEEL CONFORMING TO ASTM

[152]

6"

CL. (TYP.)

1 1/2" [38]

9 3/8" [238]

7 3/4" [197]

7 3/4" [197]

2 1/4" [57]

3" [76]

YELLOW PER MUTCD

SHEETING, WHITE OR

MINIMUM REFLECTIVE

[70]

2 3/4"

[102]

4"

[140 - 152]

5 1/2" - 6"

DETAIL **

BARRIER RAIL

CONCRETE

SEE ALTERNATE

BARRIER RAIL DETAIL

ALTERNATE CONCRETE

[57 - 64]

2 1/2"

2 1/4" -

554,605,624,711

ASTM GALVANIZING STANDARDS.

WITH ASTM A153, B695 (CLASS 50) OR OTHER APPLICABLE

WITH SUBSECTION 711.02.1. GALVANIZEIN ACCORDANCE

AFTER FABRICATION/BENDING. EPOXY COAT IN ACCORDANCE

GALVANIZE OR EPOXY COAT LOOPS AND CONNECTING PINS

VERTICAL END FOR ALL CONCRETE BARRIER RAIL ENDS.

THE OPTIONAL TAPERED END SHOWN IS AN ACCEPTABLE ALTERNATE TO THE

605-05 FOR CONCRETE BARRIER RAIL ANCHORS.

6.5' [2.5 m] OF THE BASE (TRAFFIC SIDE) OF THE RAIL. SEE DTL. DWN NO.

DO NOT INSTALL UNANCHORED CONCRETE BARRIER RAIL FOR OBSTACLES WITHIN

PAVED (FLUSH) MEDIAN APPLICATIONS. REFLECTORIZE BOTH SIDES.

MANUFACTURER'S SPECIFICATIONS FOR ADHESIVE MOUNTING. IN NARROW

MEETING THE ALUMINUM ASSOCIATION ALLOY AA5052-H32. FOLLOW THE

ATTACH REFLECTORS TO RAIL EVERY 30' [9.15 m]. USE ALUMINUM ALLOY

TANGENT. THIS IS TO BE DETERMINED EARLY IN FABRICATION.

CAN BE MAINTAINED ON ALL ROADWAY ALIGNMENT, CURVES AS WELL AS ON

SECTIONS IN THE FABRICATIONS PLANT TO DETERMINE THAT PROPER FIT-UP

CONCRETE BARRIER RAIL. ASSEMBLE AND PIN SUFFICIENT NUMBER OF PRECAST

THE CONTRACTOR IS RESPONSIBLE FOR THE PROPER FIT-UP OF THE PRECAST

TO FACILITATE FORM REMOVAL. RECTANGULAR CUTOUTS ARE ACCEPTABLE.

CUTOUTS ON ENDS OF EACH SECTION ARE SHOWN WITH SLIGHT TAPER

[250] OR BETTER. CONNECTING PINS NEED NOT BE PAINTED.

DETAILED AND CONFORMING TO AASHTO M 270 [270M], GRADE 36

CONNECT EACH 10' [3.05 m] SECTION WITH CONNECTING PINS AS

AASHTO M 31 [31M]. GRADE 60 [420].

REINFORCING STEEL CONSISTS OF DEFORMED BARS CONFORMING TO

USE CLASS DECK CONCRETE OR EQUIVALENT.

605-00

(SEE REBAR DETAIL)

7" [178] O.C.

#4's [#13's] AT

16 SPACES AT 7" [178]

[406]

1'-4"

2'-2" [660]

[254]

10"

MIN. CL.

2" [51]

DWG. NO.REFERENCE

SECTION

STANDARD SPEC.

DETAILED DRAWING

OF TRANSPORTATION

MONTANA DEPARTMENT

REFLECTOR 6

OPTIONAL TAPERED END 8