HomeMy WebLinkAboutWSDOT STD Detail C-20.10-02...I ...I w 0 0
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FACE OF
BARRIER
SHOULDER W-SEE TABLE
6 x 8 TIMBER POST OR
Vl/6 x 9 STEEL POST
(SEE NOTES 1 & 5)
GROUND LINE
I HINGEPOINT
----------~~--------~--~-L--~ SLOPE-
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TYPICAL SECTION -WITHOUT CURB
(6' -0" LONG POSTS)
RAIL ELEMENT
6 x 12 BLOCKOUT
(SEE NOTE 4)
6 x 8 TIMBER POST OR
Vl/6 x 9 STEEL POST
(SEE NOTES 1 & 5)
5/8" (IN) x 14" (IN) BUTTON HEAD BOLT
WITH 7/32" (IN) OVAL GRIP AND
RECESSED HEX NUT (TYP.)
SEE TABLE
PLAN VIEW 3/4" (IN) DIAM. HOLE
THROUGH BLOCK
FOR TIMBER POST
ATTACHMENT
BEAM GUARDRAIL TYPE 31
3'-1 1/2" I 6'-3" 6'-3"
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J. J.
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TYPICAL ELEVATION
13'-6 1/2"
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6'-3"
I GROUND LINE
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NOTES
1. Refer to Standard Plans C-1 and C-1 b for
additional details not shown on this plan.
2. Extend shoulder pavement to provide a base for the
extruded curb. See Contract Plans for exceptions to
distances shown.
3. Use a single block or combination of blocks (no more
than 2) to achieve the actual 12" (in) offset. See
Standard Specification 9-16.3(2). Wood blocks
shall be secured to the posts with anti-rotation nails.
If combination blocks are used, the adjacent blocks
shall be toenailed with two 16d galvanized nails to
prevent block rotation.
4 1/4" 1 1 3' - 1 1/2" 6' -3" 3' - 1 1/2" 4. Wood blocks are shown. Blocks of an approved ~PJii ~i-1 _4_1_M~ .. ~~~--~-------S-Y-M~M~E~T~R-IC_A_L ______ ~--~-~~---~~mdwm~~mQ~~~.S~~~a~
:---: i (TYP.) ABOUT <t Specification 9-16.3(2).
I ~-iii.iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii.il S.~~~~~a~~~~~~rrunsh~l~cl~ ~ same type: timber or steel.
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2" (TYP.)•-i ~
TYPICAL RAIL ELEMENT
3/4" (IN) DIAM. HOLE THROUGH BLOCK
FOR STEEL POST ATTACHMENT
3/4" (IN) DIAM. HOLE FOR BUTTON
HEAD BOLT (TYP.)
1 3/16" ; I--
SLOPE\EMBANKMENTTABLE
SLOPE W(FT)
2H: 1V OR FLATTER 2.5' MIN.
STEEPER THAN 2H : 1V
BUT NOT 4.0' MIN.
STEEPER THAN 1 H : 1V
ANTI-ROTATION
NAIL 16d (TYP.) \ 5/8" (IN) RECESSED
\ / HEX NUT (TYP.)
Vl/6 x 9 x 6' LONG STEEL POST
(SEE NOTES 1 & 5)
ANTI-ROTATION
\IL 16d [TYP.)
(SEE NOTE 3)
\. 6 x 12 BLOCKOUT (TYP.)
. ' (SEE NOTE 3)
WOODBLOCK
FACE OF
BARRIER
SHOULDER
6 x 12 BLOCKOUT
(SEE NOTE 4)
W-SEETABLE
6 x 8 TIMBER POST OR
Vl/6 x 9 STEEL POST
(SEE NOTES 1 & 5)
0 PERMISSIBLE CURB
PLACEMENT AREA
(SEE NOTE 2)
GROUND LINE
SLOPE-
SEE TABLE
ELEVATION VIEW
TYPICAL SECTION -WITH CURB
(6' -0" LONG POSTS)
6 x 8 TIMBER POST OR
Vl/6 x 9 STEEL POST (TYP.)
6 x 8 x 6' LONG TIMBER POST
(SEE NOTES 1 & 5)
RAIL ELEMENT
(TYP.)
5/8" (IN) x 1 1/4" (IN) BUTTON HEAD BOLT
WITH 7/32" (IN) OVAL GRIP (TYP.)
AND RECESSED HEX NUTS -
8 REQUIRED PER SPLICE
5/8" (IN) x 22" (IN) BUTTON HEAD BOLT
WITH 7/32" (IN) OVAL GRIP AND
RECESSED HEX NUT (TYP.)
ISOMETRIC VIEW
BEAM GUARDRAIL TYPE 31
STANDARD PLAN C-20.10-02
SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
STATE DESIGN ENGINEER ...... . ... Washington State Department of Transportation