Number & Location Of Panel Splices To

Number & Location Of Panel Splices To
Be Determined By The Sign Face
Supplier. See Detail Of Sign Face Splice
Number Of Zee 3x2.69x2.33
Horiz. Wind Beams For
Sign Depth And Wind
Zee 3x2.69x2.33 Alum. Wind
Beams See Table For Number
6"
Wind
M.P.H.
No. Beams
Number Of I6x4.69 or Zee 5x3.25x4.01
Vertical Hanger Beams For Sign Length
2 Hangers
3 Hangers
4 Hangers
5 Hangers
6 Hangers
Max Length
Max Length
Max Length
Max. Depth
Max Length
Max Length
150
2
5'
15'
30'
45'
X
X
150
3
9'
15'
30'
45'
X
150
4
12'
15'
22'
30'
38'
45'
150
5
15'
15'
22'
30'
38'
45'
150
6
18'
15'
22'
30'
38'
45'
130
2
5'
15'
30'
45'
X
130
3
9'
15'
30'
45'
X
130
4
12'
15'
22'
30'
38'
45'
130
5
15'
15'
22'
30'
38'
45'
130
6
18'
15'
22'
30'
38'
45'
110
2
5'
15'
30'
45'
X
X
110
3
9'
15'
30'
45'
X
X
110
4
12'
15'
30'
38'
45'
X
110
5
15'
15'
30'
38'
45'
X
110
6
18'
15'
30'
38'
45'
X
7.
0% D
=
Six W ind Beam s
10.
7% D
8.
5% D
=
=
Four W ind Beam s
Five W ind Beam s
21% D
splice is allowed at an interior
Zee support, shop drawings
=
than 10'-0", a horizontal panel
=
NOTE:
If the Sign Panels are deeper
Three W ind Beam s
2" (Typ.)
Two W ind Beam s
C
Depth D
Equal Spacing For
C
H orizontal W ind Beam s
Hangers See Table For Number
14.
5% D
I6x4.69 or Zee 5x3.25x4.01 Aluminum
shall be required.
Sign
Face 18"
Thick
Equal Spacing For Vertical Hangers*
X
X
X
Length L
*Note:
Two Hangers
=
21% L
Three Hangers
=
14.5% L
Four Hangers
Five Hangers
Six Hangers
=
=
=
10.7% L
8.5% L
7.0% L
1
4"
Ø Alum. Flat Head Machine
Screws With Lock Nuts And Flat
Washers. Screws Shall Be
Spacing of vertical hangers may be varied slightly or as necessary
to clear the truss struts and diagonals at panel points.
Spaced at 12" Centers Maximum
GENERAL NOTES
1. Work this Index with Index 11200.
ON FOR OVERHEAD TRUSS
EVATI
GN FACE EL
CAL SI
TYPI
2. Shop Drawings:
Zee 3x2.69x2.33
Aluminum
Wind Beam
6"±
Varies, 5'
Maximum Cantilever
� Panel Splice
Sign Face 18" Thick
Sign Face
Sign Panels Butt Together
2"
� Top Truss
A. Aluminum:
a. Bars, and Extruded Shapes: ASTM B 221,
Alloy 6061-T6 or Alloy 6351-T5
b. Structural Shapes: ASTM B308, Alloy 6061-T6
c. Flat Head and Hex Head Machine Bolts:
C
ON CSECTI
1"
� Panel Splice
5
8"
Ø Aluminum Hex Head
I6x4.69 or
Bolt With Lock Nuts & Flat Washers
Zee 5x3.25x4.01
Alloy 6262-T9
e. Washers: ASTM B221, Alloy 7075-T6
Alum. Hanger
(SHOWING ATTACHMENT OF SIGN FACE PANEL TO VERTICAL HANGER
SUPPORTS, VERTICAL I SHAPE HANGER AS SHOWN, Zee SHAPE OPTIONAL)
B. Steel Materials:
a. U-Bolts: ASTM A449 or ASTM A193 B7
b. Nuts: ASTM F563, 2 per leg
c. Washers: ASTM F436
LA
DETAI
4. Coatings:
A. Aluminum Bolts, Nuts and Washers: Anodic
� Bottom Truss Chord
(0.0002 inches min) and chromate sealed.
B. Galvanized Steel Bolts, Nuts and Washers:
ASTM F2329
1"
3
8"
1
2" Ø
3
8"
See Detail A
ASTM F468, Alloy 2024-T4
d. Hex Nuts: ASTM F467, Alloy 6061-T6 or
Bolt Wind Beam To Vertical
Hanger With
M ax. Spacing - 12'
Thick
c. to c. Chords)
Depth of Truss (
1
8"
Thick
U-Bolt W ith Double Nuts
1
8"
And Flat W asher ASTM A449 or
ASTM A193 B7 Galvanized
according to ASTM F2329
Backing Strip
B. Splice must be located at an interior Zee
Support and only allowed on signs greater
than 10’-0”.
3. Materials:
Sign Face
4"
A. Required for Sign Panels deeper than 10’-0”
with a horizontal panel splice.
D/2
11:
34:
43 AM
Pairs Of
1
4"
D/2+112"±
Ø Aluminum
Flat Head Machine
Screws Spaced At
12" Centers Maximum
12/9/2015
BACKING STRIP DETAIL
WN)
T SHO
NG NO
I
GHT
I
L
(
ON
GN & TRUSS CONNECTI
L OF SI
CAL DETAI
TYPI
LAST
REVISION
01/01/16
REVISIO N
DETAILS OF SIGN FACE & TRUSS CONNECTION
DESCRIPTION:
INDEX
FY 2016-17
DESIGN STANDARDS
STEEL OVERHEAD SIGN STRUCTURES
NO.
11300
SHEET
NO.
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