of FDOT 2014 DESIGN STANDARDS

NOTES:
Sign or
DESIGN SPECIFICATIONS: AASHTO Standard Specifications for Structural Supports
Sign Cluster
for Highway Signs, Luminaires and Traffic Signals as modified by the FDOT
10"
1b"
3b"
Structures Manual.
3b"
1b"
1b "
WIND SPEEDS: See Index 11860, "Wind Speeds by County" note.
GEOMETRY: Install signs with bottom edge of the lower sign panel at 7’ above
the gutter line. Edge of sign panels must not extend beyond the inside face
3b "
of the top of the traffic railing.
10"
b" Hole
SHOP DRAWINGS: Shop drawings are not required.
Centroid
1" Hole (Typ.)
PAYMENT: Include payment for sign support bracket in the cost of the single
post sign.
1b "
Dim . C
0" (Min.)
APPLICABILITY: Mount only to concrete traffic barriers in locations where ground
mounting is not possible. Work this Index in conjunction with Index No. 11860.
3b "
Sign
Install sign posts plumb.
MATERIALS:
»¿˘" P
BASE PLATE
Coatings: Hot dip galvanize all steel and fasteners in accordance with
Specification Section 962. Galvanize Sign Support Weldment after fabrication.
Paint sign support brackets and posts when shown in the plans in accordance
Bottom of Sign
with Specification Section 649-4.
or Sign Cluster
Support Post: ASTM A501 5" NPS Schedule 40 Steel Pipe.
9"
1b"
3"
3"
Sign Post: Aluminum Association Alloy 6061-T6 (ASTM B209, B221 or B308) 5" NPS
1b"
Steel Plates: ASTM A36 or A709 Grade 36.
1b "
C:
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Schedule 40 Aluminum Pipe.
Anchor Rods & Bolts: ASTM F1554 Grade 55 with a single self-locking hex nut and
4b "
Dim . A
washers. Install anchor rods or bolts perpendicular to the base plates on back of
traffic railing. See Anchorage Notes, Sheet 2 of 2.
b" Hole
1’
-0"
Adhesive Bonded Anchors: Fully threaded Anchor Rods with Type HV Adhesive Bonding
Material System in accordance with Specification Section 416 & 937. In lieu of the
number of anchors specified to be tested in Specification Section 416-6, field test
4b "
all adhesive bonded anchors installed per this Design Standard.
U-Bolts: ASTM A449 sized for sign post, with flat washers and locking hex nuts.
»¿˘"x1" Slo
1b "
Hole (Typ.)
Welding: Weld in accordance with American Welding Society Structural Welding Code
(Steel), ANSI/AWS D1.1 (current edition). Required weld material is E70XX.
Nondestructive testing is not required.
»¿ Support
»¿˘" P
END PLATE
SIGN LIMITATIONS TABLE
8"
2"
1" 1"
sm 970re
»¿
MAX. WIND SPEED
MAX. SIGN AREA
MAX. SIGN CENTROID HEIGHT
(MPH)
(SF)
(DIM. A + DIM. C)
110
30
9’-10"
130
25
9’-7"
150
20
9’-7"
»¿˘" ˆ Hole (
Dim. A = Distance from centerline of the Support Post to the bottom of the sign
SIGN SUPPORT BRACKET
»¿˘" P
or sign cluster.
7:
10:
00 PM
U-BOLT PLATE WASHER
Dim. C = Vertical distance from the bottom of the sign or sign cluster to the Centroid
LAST
REVISION
07/01/12
REVISIO N
6/24/2013
of the sign or sign cluster.
DESCRIPTION:
INDEX
FDOT 2014
DESIGN STANDARDS
SINGLE POST BRIDGE MOUNTED SIGN SUPPORT
NO.
11870
SHEET
NO.
1of 2
B
Traffic Railing
Sign Post
(32" F-Shape shown)
A
A
1’-812"
»¿˘" U-Bolts
Locking Hex Nuts
& Plate Washers
»¿ Sign
Back Face
»¿˘" Adhesive
of Railing
Anchor (8" Min.
embedment) (Typ.)
»¿ ˘" Adhesive
(See Anchorage Notes)
Base Plate
Anchors with Heavy Hex
Nuts and Washers, shown.
Base Plate
8"
(Through bolting similar)
(Min.)
(See Note 1)
End Plate
1
2»¿"
312" 312"
Coping Line
Varies
(5" Min., 1’-0" Max.)
Weep
Base Plate
»¿ Support
Support Post
1
2»¿
U-Bolt
(See Note 1)
End Plate
Plate Washer
Plate Washer
L 212"x212"x14"
End Plate
2"
L 212"x212"x14"
Sign Post
L 212"x212"x14"
1
2»¿"
B
Bridge Deck
Bridge Deck
U-Bolts with Lo
Hex Nuts & Plate Washers
TYPICAL SECTION THRU EXISTING TRAFFIC RAILING AT SIGN SUPPORT BRACKET
VIEW B-B
PLAN VIEW A-A
(Bridge Deck shown, Approach Slab and Retaining Wall Similar)
SIGN SUPPORT BRACKET
SIGN SUPPORT BRACKET
C:
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dgn
(32" F-Shape Traffic Railing shown, other Traffic Ralings & Parapet similar)
B
A
A
3
4"
3
4"
1’-7"
1’-812"
ANCHORAGE NOTES:
»¿ Sign
1. Existing Traffic Railings:
Support Post
Locate existing conduit prior to drilling. Adjust placement
»¿ ˘" Hex He
as necessary to avoid existing conduit.
Base Plate
with Coupler Nuts shown
(Hex Head bolts without
8"
Coupler Nuts similar)
Base Plate
End Plate
1
4
312" 312"
Base plate must
Maintain a minimum
cover 2" from face of traffic railing to tip of Adhesive
(Min.)
Anchor.
(See Note 2)
8"
be flush with back of traffic railing.
1
4
For concrete parapets less than 10" thick, through bolt
»¿ Support
3
4»¿"
1
2»¿
U-Bolt
Heavy Hex Head Bolts with Nuts and Washe
lieu of Adhesive Bonded Anchors. Bolt heads shall not
1
2»¿"
protrude more than 112" beyond traffic face of railing.
Weep
End Plate
2. New Traffic Railings:
Plate Washer
sm 970re
L 212"x212"x14"
L 212"x212"x14"
Tie Anchor Bolts securely and use templates as necessary
to maintain bolt spacing.
SIGN SUPPORT WELDMENT DETAIL
Optional Couplers are shown for slipforming; keep Anchor
Bolt coupler threads free of concrete.
7:
10:
02 PM
B
Bridge Deck
TYPICAL SECTION THRU TRAFFIC RAILING AT SIGN SUPPORT BRACKET (NEW CONSTRUCTION)
(32" F-Shape Traffic Railing shown, other Traffic Ralings & Parapet similar)
CROSS REFERENCES:
For Base Plate, End Plate & U-Bolt Plate Washer Details see Sheet 1.
LAST
REVISION
07/01/12
REVISIO N
6/24/2013
(Bridge Deck shown, Approach Slab and Retaining Wall Similar)
DESCRIPTION:
INDEX
FDOT 2014
DESIGN STANDARDS
SINGLE POST BRIDGE MOUNTED SIGN SUPPORT
NO.
11870
SHEET
NO.
2 of 2