HomeMy WebLinkAboutMiscellaneous - Exception (557)NOV 13, 2001 WEB BRACING RECOMMENDATIONS ST-WEBBRACE
* -CONTROLLED BY CONNECTION
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Mitek Industries, Inc.
TYPE
BRACING MATERIALS
1. X -BRACING IS REQUIRED TO TRANSFER THE CUMULATIVE LATERAL BRACE FORCE INTO THE
ROOF ANDIOR CEILING DUPHRAGM THE DIAPHRAGM IS TO BE DESIGNED BY ACI ALIFIED
1 X 4 IND. 45 SYP
PROFESSIONAL -
2. THESE CALCULATIONS BASED ON LATERAL BRACE CARRYING 2% OF THE WEB FORCE. ,
MAXIMUM WEB FORCE (Ibs.)
4
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a. X -BRACING MATERIAL MUST BE SAME SIZE AND GRADE OR BETTER, AS THE LATERAL BRACE
X -BRACE
-OR-
24"O.C.
MATERIAL, AND SHALL BE INSTALLED W SUCH A MANNER THAT IT INTERSECTS WEB MEMBERS
48"O.C.
1 X 4 #2 SRB (DF, HF, SPF)
72" O.C.
AT APPROX 45 DEGREES AND SHALL BE NAILED AT EACH END AND EACH INTERMEDIATE
TRUSS WITH 2-1 Bd COMMON WIRE NAILS. (3-18d NAILS FOR 2X8 MATERIAL)
SAY SIZE
BRACING MATERIAL TYPE
BRACING MATERIAL TYPE
B
BRACING MATERIAL
TYPE
NAILS FOR ZXe LATERALBRACES)
S. LATERAL BRACE SHOULD BE CONTINUOUS AND SHOULD OVERLAP AT LEAST ONE TRUSS SPACE
A
B
C
D
'A B C
D
C
D
10'-0"
3630 *
4600 *
4600
6900
1344
.4600
4600 •
6900 *
4034
6382
1.2•-0"
3154
3942 *
3942 •.
5914 *
1344
.3942 *
3942 °
5914 '
3942
5914
14'-0"
2760 *
3450 *
3450 *
5175 *.
1344
3450 *
3450 *
5175 *
3450
5175
16'-0"
2453 *
3066 *.
3066 '
4600 *
1344
3066 *
3066 *
4600 *
3066 *
4600
22QS *
2760 *
2760 *
4140 *
1344
2760 *
2760 *
4140 *
2760 *
4140
20'-0"
2007 *
2509 *
2509 *
3763 *
1344'
2509 *
2509 *
3753 *
2509 *
3763
* -CONTROLLED BY CONNECTION
NOTE: FOR A SPACING OF 24- O.C. ONLY, MITEK STABILIZER TRUSS BRACING SYSTEMS CAN BE
SUBSTITUTED FOR TYPE A. B. C AND O BRACING MATERIAL. CROSS BRACING FOR STABILIZERS
ARE TO BE PROVIDED AT BAY SDE INDICATED ABOVE WHERE DIAPHRAGM BRACING IS REQUIRED
AT PITCH BREAKS, STABA-�RS MAY Be REPLACED WITH WOOD BLOCKING SEE STABILIZER
iy,ij RACING INSTALLATION GUIDE AND PRODUCT SPECIFICATION.
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GENERAL NOTES
TYPE
BRACING MATERIALS
1. X -BRACING IS REQUIRED TO TRANSFER THE CUMULATIVE LATERAL BRACE FORCE INTO THE
ROOF ANDIOR CEILING DUPHRAGM THE DIAPHRAGM IS TO BE DESIGNED BY ACI ALIFIED
1 X 4 IND. 45 SYP
PROFESSIONAL -
2. THESE CALCULATIONS BASED ON LATERAL BRACE CARRYING 2% OF THE WEB FORCE. ,
4
'�0%FssiCl
a. X -BRACING MATERIAL MUST BE SAME SIZE AND GRADE OR BETTER, AS THE LATERAL BRACE
A
-OR-
MATERIAL
MATERIAL, AND SHALL BE INSTALLED W SUCH A MANNER THAT IT INTERSECTS WEB MEMBERS
1 X 4 #2 SRB (DF, HF, SPF)
16d NAILS
(SEE NOTES 4 8 8)
AT APPROX 45 DEGREES AND SHALL BE NAILED AT EACH END AND EACH INTERMEDIATE
TRUSS WITH 2-1 Bd COMMON WIRE NAILS. (3-18d NAILS FOR 2X8 MATERIAL)
4. CONNECT LATERAL BRACE TO EACH TRUSS WITH TWO led COMMON WIRE NAILS. (THREE led
B
2 X 3 #3, STD, CONST (SPF, OF, HF, OR SYP)
NAILS FOR ZXe LATERALBRACES)
S. LATERAL BRACE SHOULD BE CONTINUOUS AND SHOULD OVERLAP AT LEAST ONE TRUSS SPACE
FOR CONTINUITY. '
e. FOR ADDITIONAL GUIDANCE REGARDING DESIGN AND INSTALLATION OF BRACING, CONSULT
C
2 X 4113, STD, CONST ( SPF, OF, HF, OR SYP)
OSB -B9 TEMPORARY BRACING OF METAL PLATE CONNECTED WOOD TRUSSES AND HIS -01
HANDLING INSTALLING AND BRACING FOR RECOMMENDATIONS FROM TRUSS PLATE INSTfME,
'
583 D'ONOFRIO DRIVE, MADISON, W. 53710.
7• SEE SEPERATE TRUSS ENGINEERING FOR DESIGN OF WEB MEMBER. vvv1Rvyvv1'R
7pNrA
D
2 X 6 #3 OR BETTER (SPF, DF, HF, OR SYP)
e. THE ted NAILS SPECIFIED SHOULD BE 3.5' LONG AND 0.182' W MWNE1iFiRINFCCORQANQE
1 ` t°Vd AA
WITH Nos 1901. ea C(
NOTE: FOR A SPACING OF 24- O.C. ONLY, MITEK STABILIZER TRUSS BRACING SYSTEMS CAN BE
SUBSTITUTED FOR TYPE A. B. C AND O BRACING MATERIAL. CROSS BRACING FOR STABILIZERS
ARE TO BE PROVIDED AT BAY SDE INDICATED ABOVE WHERE DIAPHRAGM BRACING IS REQUIRED
AT PITCH BREAKS, STABA-�RS MAY Be REPLACED WITH WOOD BLOCKING SEE STABILIZER
iy,ij RACING INSTALLATION GUIDE AND PRODUCT SPECIFICATION.
i•'r f,. • ,•• r'
LSF x
�`�et k'ss OIRA
STEPHEN W. CABLER
V ,
Horizontal Blocking
MATERIAL
MATERIAL
,(One leg of Y. -bracing shown dashed for drawing clarity.
This leg will require horivontal blocking TRUSS WEB
Text to the top and bottom chord so it attaches to the brace plane.) MEMBERS
s parameters and READ NOTES ONTWS AND REVERSE SIDE BEFORL USE.
MISTEUILM—
i Mtfek connectors. This design Is based only upon parameters shown, and Is for an Individual buldhg com °P, ii° SS�ONA
y. Appicablity of design parameters and )Nopet Incorporation of component Is recponslbelty of bulidhg des el -
4 lateral support of Indtvldual web members only. Additional temporary bracing to Insure dobafy during con ucTbn b the
Additional permanent bfochg of the ovefol structure Y the respondWy of the building designer. For go
conhol, storage, delivery. erection and bracing, consult CST -USB Quality Standard, DSI.59 Bracing Specification, and HII.91 A'�A �®
q Recommendation available from Trus° Plate Institute, 583 D'Onofrb c
Ddve, Madison, WI 53719. 'V'
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LATERAL
BRACING
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MATERIAL
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16d NAILS
(SEE NOTES 4 8 8)
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STEPHEN W. CABLER
V ,
Horizontal Blocking
MATERIAL
MATERIAL
,(One leg of Y. -bracing shown dashed for drawing clarity.
This leg will require horivontal blocking TRUSS WEB
Text to the top and bottom chord so it attaches to the brace plane.) MEMBERS
s parameters and READ NOTES ONTWS AND REVERSE SIDE BEFORL USE.
MISTEUILM—
i Mtfek connectors. This design Is based only upon parameters shown, and Is for an Individual buldhg com °P, ii° SS�ONA
y. Appicablity of design parameters and )Nopet Incorporation of component Is recponslbelty of bulidhg des el -
4 lateral support of Indtvldual web members only. Additional temporary bracing to Insure dobafy during con ucTbn b the
Additional permanent bfochg of the ovefol structure Y the respondWy of the building designer. For go
conhol, storage, delivery. erection and bracing, consult CST -USB Quality Standard, DSI.59 Bracing Specification, and HII.91 A'�A �®
q Recommendation available from Trus° Plate Institute, 583 D'Onofrb c
Ddve, Madison, WI 53719. 'V'