|
<br />*DIAGONAL SPACEC
<br />AT 15'-0" O.C, MAX
<br />
<br />=-- /;~
<br />\-;~-
<br />
<br />-; />--
<br />. - .
<br />
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<br />~~I
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<br />
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<br />
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<br />'\ \- --.;-
<br />--__ x-';--- -BLOCKING
<br />.;---
<br />
<br />,
<br />~ MINIMUM 2"x4"
<br />I ~ CROSSBRACING
<br />(SEE PLAN FOR
<br />
<br />
<br />V ~ LOCATIONS)
<br />_(3) 12d
<br />V- PER JOINT
<br />(: .
<br />00 \ 00 ~
<br />
<br />\_CONTINUOUS BOTTOM CORD BRACING 2"x4" MIN.
<br />
<br /> ::::::
<br /> ~ ~
<br /> - -- .:.;...-
<br /> I
<br /> '\ --
<br /> _. --
<br /> --
<br /> - -- ~
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<br />I
<br />, - ~ I
<br /> - -.
<br />
<br />CONTINUOUS LATERAL BRACIN
<br />NAIL OVER X-BRACE AS SHOW
<br />INSTALL BLKG. AT TRUSS WEBS
<br />FOR NAILING
<br />
<br />-
<br /> -
<br />I
<br />,- I
<br />- -,
<br />
<br />X-BRACING - 2x4 SPF OR SY
<br />wi 2-16d @ EACH TRUSS WEB
<br />2A , CROSS BRACING DETAIL (TYP.)
<br />S-3 I NOT TO SCALE
<br />
<br />-
<br />
<br />I 2 ,CROSS BRACING DETAIL (TYP )
<br />
<br />~' SCALE: N.T.S.
<br />
<br />I
<br />,
<br />
<br />G.C. TO PROVID;:
<br />BLOCKING TO COMPLY
<br />W/ APA RECOMENDATION~
<br />FOR SPAN RATING OF
<br />7/16" OSB.
<br />
<br />** ALTERNATE SPAN RATED
<br />32/16 PLYWOOD MAY BE USED
<br />20'-0" MAX 20'-0" MAX
<br />
<br />"X" BRACE SEE CONTINUOUS OTTOM CHORD
<br />DETAIL 2/S3~ r BRACING 2 X L MIN. SEE DETAIL 3jS-3
<br />\ I
<br />1\
<br />[>K1
<br />
<br />~
<br />~
<br />
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<br />v"\
<br />~
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<br /> 5'
<br /> '<;j"
<br /> ----
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<br />" ----
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<br /> ~ 5'
<br /> '<;j"
<br /> ~ ----
<br />5' ~ 5'
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<br /> 5' ~ti
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<br />
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<br />
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<br />
<br />L TOP & BOTTOM CHORD
<br />GABLE END BRACING @
<br />4'-0" O.C. MAX. FOR
<br />FIRST (4) ROWS OF TRUSSES
<br />
<br />-
<br />
<br />:\OTE:
<br />1) SEE TRUSS MANUFACTURER'S TRUSS ENGINEERING
<br />CUT SHEETS FOR ADDITIONAL PERMANENT BRACING
<br />THAT MAY BE REQUIRED
<br />2) "r' BRACING MAY BE USED IN PLACE OF PERMANENT
<br />BRACING PROVIDED IT EXTENDS OVER AT LEAST 90% OF THE WEB.
<br />
<br />,REQUIRED MINIMUM PERMAI'IENT TRUSS BRACING PLAN
<br />
<br />I AS PER HIB 91
<br />
<br />I 4
<br />\ S-3
<br />
<br />REV. 7/19/03
<br />
<br />SCALE: N.T.S.
<br />
<br />-
<br />
<br />TF~USS NOTES:
<br />
<br />1. WOOD TRUSS ERECTOR SHALL PROVIDE BRACING ACCORDING TO ANSI/TPl-2002
<br />(TRUSS PLATE INSTITUTE) NOTE THAT THE COMBINED WIND AREA IS GREATER BEFORE THE ROOF SHEATHING IS APPLIED, AND
<br />BRACING SHALL THEREFORE BE INSTALLED AS THE TRUSSES ARE ERECTED. INADEQUATE BRACING IS THE MOST COMMON CAUSE OF ACCIDENT
<br />IN WOOD TRUSS CONSTRUCTION. FULL BUNDLES OF PLYWOOD SHALL NOT BE PLACED ON TRUSSES. THIS CONSTRUCTION LOAD SHOULD BE LIMITED
<br />TO 8 SHEETS OF PLYWOOD ON ANY PAIR OF TRUSSES & SHALL BE LOCATED ADJACENT TO THE SUPPORTS. NO EXCESS COr-..;CENTRATION OF ANY
<br />CONSTRUCTION MATERIAL (SUCH AS GRAVEL OR SHINGLES) SHALL BE PLACED ON THE TRUSSES IN ANY ONE AREA THEY SHALL BE SPREAD OUT
<br />EVENLY OVER A LARGE AREA SO AS TO AVOID OVERLOADING ANY ONE TRUSS.
<br />2. ALL BRACING (DB,CB,BB) SHOWN ABOVE SHALL BE IN ADDITION TO CONTINUOUS LATERAL BRACING SPECIFIED BY THE TRUSS MANUFACTER ALL
<br />LATERALBRACING SPECIFIED BY TRUSS MANUF. SHALL HAVE ADDITIONAL DIAGONAL BRACES AT 20'-0" O.C. MAXIMUM.
<br />3. ALL BRACES SHALL BE 2X4 NOMINAL DIMENSION LUMBER & SHALL BE ATTACHED W/ 2-16D NAILS AT EACH TRUSS INTERSECTION.
<br />4, ADDITIONAL BOTTOM CHORD BRACING SHALL BE INSTALLED AS REQUIRED BY TRUSS DESIGN WHEREVER ADEQUATE STRUCTURAL CEILING ARE NOT
<br />ATTACHED DIRECTLY TO THE BOTTOM CHORD OF THE TRUSS.
<br />5. PROVIDE TRUSS BLOCKING AT ALL TRUSS BEARING SUPPORTS WHERE TRUSS DEPTH EXCEEDS STANDARD HEEL HEIGHT.
<br />SEE TYP. TRUSS BLOCKII\;G DETAILS CONV FRAMED RIDGE TYP. HAND FRAMING ABOVE TRUSS-,
<br />. . 2X4 STUDS & PLATES AT 2'-0" O.C.
<br />/J.--2X4 BLOCKING MAY BE NAILED w/ MIN. EACH DIRECTION TYP. U.N.O.
<br />I\BETWEEN EA. TRUSS (4) 12d WHEN IT LANDS
<br />2X4 DIAGONAL AT 8'-0" 0 C A NEXT TO PRE-ENG. TRUS ~2x8 BLKING. NAILED @ EACH
<br />. . .... SIDE w/ (3) 12d NAILS WHEN
<br />MAX & EACH END ALTERNATE l REQUIRED w/ (2) USP MTW12
<br />I DIRECTION TYP.~ W/ (14) - 10d X 11/2" EACH
<br />.7 '\. I \ ~
<br />
<br />I ~ ~ V \ X' ~~ * ~ COLLAR TIE
<br />~ ,.,.-EVERY 3rd
<br />~ '-- ** ~~ RAFTER
<br />? CB~~ ~ ~
<br />
<br />VERTICAL SCAB
<br />2 x 6 #2 SPF 48" O.C.
<br />W/ (4) 10d TOP &
<br />BOTTOM
<br />OR USP RT7 OR
<br />HCLR/LL W/ 8 - 8d
<br />IN PLACE OF (4) 10d
<br />
<br />TB
<br />
<br />BEVEL CUTS
<br />V- (OPTIONAL)
<br />/
<br />~!~
<br />
<br />"~2X4 SPF 2 (2) #7X 3-1/2"
<br />~ WOOD SCREW EACH TRUSS
<br />OR USP RT7 @ 48" O.C.
<br />
<br />D g....-=;:::: ---
<br />
<br />( PRE-ENG. TRUSS
<br />
<br />CONT. ROOF SHEATHII\;G AT TRUSS TOr
<br />CHORD AT ALL HAND FRAMED AREAS TYP.
<br />
<br />/
<br />
<br />/
<br />
<br />DIAGONAL,
<br />AT 8'-0" I"
<br />MAX 7
<br />L.
<br />
<br />* 2x8 #2 SPF RIDGE BEAM
<br />
<br />** 2x6 RAFTERS @ 2'-0"0.C.
<br />MAX. wj (3) 10d COMMON
<br />TOENAILS TO RIDE BEAM
<br />
<br />-
<br />
<br />...
<br />X -1--- "',
<br />~ ~WOOD
<br />.- ,e,7" TRUSS
<br />X
<br />/
<br />2X4 CONT. AT) ~
<br />T & B CHORD ~
<br />
<br />A-A ALTERNATE BLOCKING
<br />9 ,DETAIL @ INTERIOR BEARING
<br />\ S-3 I REV. 8/3/04
<br />
<br />I
<br />)7
<br />I
<br />
<br />x
<br />
<br />I
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<br />I
<br />
<br />CONC.MASONRY
<br />STEEL OR WOOD
<br />BEARING SUPPORT
<br />
<br />-
<br />
<br />--..L.-WOOD TRUSS!
<br />
<br />PROVIDE BLOCKING AT ALL TRUSS BEARING
<br />SUPPORT WHERE TRUSS DEPTH EXCEEDS
<br />STANDARD HEEL HEIGHT
<br />
<br />....A
<br />
<br />TYP. WOOD TRUSS BLOCKING DETAIL
<br />
<br />SCALE: 3j4"-l'-0"
<br />
<br />SCALE: 3/4"=1'-0"
<br />
<br />-
<br />
<br />SEE r- ~""-
<br />PLAN Af7 ~
<br />
<br />PRE-ENGINEERED OVERLAP TRUSS BRACING
<br />WOOD TRUSSES \ 7 AT LEAST ONE TRUSS 6"
<br />\ SPACE
<br />
<br />W
<br />ll..~0:::
<br />'00:::0
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<br />0:::-1........
<br />:J~~~O:::
<br /><(0::><(0
<br />
<br />-PROVIDE 2X4 MIN. BLOCKING AT
<br />ROOF ~ ~ OF HIP/RIDGE, TYP.BETWEEN TRUSSE~
<br />SHEATHING WI (2) 12D NAILS EACH END TO
<br />TRUSS TOP CHORD
<br />
<br />TYP.
<br />
<br />2X4 BLOCKING
<br />BETWEEN TRUSSES
<br />
<br />OVERLAP
<br />
<br />JACK
<br />TRUSSE~
<br />
<br />I . ,
<br />
<br />~MINIMUM (2) 16d PER JOIN\' "
<br />~~MINIMUM 2"x4" SPF OR
<br />* SPACED AT 15'-0" MAX SYP TRUSS BRACING
<br />
<br />^7A TRUSS
<br />
<br />A~
<br />~
<br />'\~
<br />~
<br />1/ ~
<br />
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<br />
<br />G,T,
<br />ADD 2X4 ALONGSIOC
<br />TOP CHORD WHEN REQ'D
<br />TO PREVENT PLYWOOD
<br />SPAN FROM EXCEEDING
<br />MAX 24" SPAN (EITHER
<br />SIDE OR BOTH IF REQ'D)
<br />
<br />~~-I ~
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<br />
<br />(2) 12D NAILS-
<br />AT 12" O.C. MAX
<br />
<br />@ TRUSS BRACING OVERLAP
<br />3 DE~
<br />S-3 SCALE: N,T.S.
<br />
<br />-
<br />
<br />(2B ,HIP/RIDGE BLOCKING DETAIL
<br />\...S_~REV. 7/18/03 3/4"=1'-0"
<br />
<br />-
<br />
<br />.
<br />
<br />7/16" O.S.B.
<br />EA, SIDE
<br />
<br />2X BLK'G.
<br />TO O,S.B.
<br />W / 2 - 8d
<br />EA. END
<br />
<br />-r\r~
<br />~
<br />~
<br />~
<br />- Uv- "-
<br />EDGE VIEW
<br />
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<br />EDGE VIEW
<br />
<br />7/16" O.S.B,
<br />EA. SIDE
<br />
<br />2X BLK'G.
<br />TO O.S.B,
<br />W / 2 - 8d
<br />EA. END
<br />
<br />- WHEN REQ'D RECESSED
<br />PRE-CAST LINTEL
<br />
<br />SEE 6/S-
<br />FOR CONN.
<br />
<br />(3) 16J
<br />COMMON
<br />NAI LS(TYP)
<br />
<br />1 NOTE: MAY CUT BACK 2x8 P,T. @
<br />TOP TO ALLOW CONT, 2x4 BLOCKING
<br />AROUND CURVE, MIN. 2 TAPCON
<br />ANCHORS TO 2x8
<br />
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<br />
<br />~(7 116" OSB WI 6d NAILS ~ ~
<br />~ 16" O,C, TO SIDE & TOP NAILER ~"
<br />~ 2x WI (2) 16d TOE NAILS ~
<br />EACH END TYP. ~
<br />2x4 SPF CONTINUOUS BLOCKINGJ
<br />ATTACHED TO 7/16" aSB WI
<br />(2) 8d NAILS. SEE DETAIL ABOVE
<br />
<br />/ /
<br />
<br />2x8 Wj (2) 16d TOE NAIl.:
<br />EACH END
<br />7 j16" OSB Wj 6d NAILS
<br />16" O.C. TO SIDE & TOP NAILER
<br />
<br />2x4 SPF CONTINUOUS BLOCKI G
<br />ATTACHED TO 7/16" OSB WI
<br />(2) 8d NAILS. SEE DETAIL ABOV
<br />
<br />x8 P.T, WI TAPCON HW4-2 4
<br />(1/4"x2-3/4") @ 12" O.C. MAX
<br />
<br />10'-111A" MAX
<br />WINDOW OR
<br />_ DOOR OPN'G
<br />
<br />I 10"\ DET. @ ARCH WINDOW FRAMIN(
<br />\ S-W CMU WALL 3-17-04 SCALE: N,T.S.
<br />
<br />
<br />-
<br />
<br />7'-0" MAX
<br />WINDOW OR
<br />.- DOOR OPN'G
<br />(11"\ DET. @ ARCH WINDOW FRAMING
<br />\ S-3 J FRAME WALL 3-17-04 SCALE: 1/2" = 1'-0"
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<br />LAST PLOT DATE N
<br />March 11, 2005 @
<br /> DETAILS
<br />
|