|
<br />*DIAGONAL SPACEC
<br />AT 15'-0" O.C, MAX
<br />
<br />~ h~-::'
<br />,;--, :4~
<br />
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<br />.
<br />
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<br />'\ \- -..::*
<br />- ~..::*- -BLOCKING
<br />
<br />,
<br />"'- MINIMUM 2"x4"
<br />""- CROSSBRACING
<br />(SEE PLAN FOR
<br />LOCATIONS)
<br />
<br />::::::
<br />~~
<br />I~~--
<br />-
<br />-
<br />
<br />~~
<br />
<br />-
<br />--
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<br />-
<br />~ -
<br />
<br />:V~
<br />
<br />.
<br />.
<br />.
<br />
<br />(3) 12d
<br />~PER JOINT
<br />
<br />1
<br />I.... _ ,
<br />--,
<br />
<br />1--1
<br />
<br />1
<br />..-......--.,1
<br />
<br /> -
<br /> -
<br />1
<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 />X-BRACING - 2x4 SPF OR SY
<br />w/ 2-16d @ EACH TRUSS WEB
<br />CROSS BRACING DETAIL (TYP.)
<br />
<br />NOT TO SCALE
<br />
<br />C<l\ C<l C<
<br />\_CONTINUOUS BOTTOM CORD BRACING 2"x4" MIN.
<br />
<br />--
<br />
<br />--
<br />
<br />I 2 CROSS BRACING DETAIL (TYP )
<br />~
<br />
<br />I 2A \
<br />, S-3 I
<br />
<br />SCALE: N.T.S.
<br />
<br />G.C. TO PROVIDL.
<br />BLOCKING TO COMPLY
<br />WI APA RECOMENDATIONS
<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
<br />DETAIL 2/S3\
<br />
<br />CONTINUOUS [ OTTOM CHORD
<br />r BRACING 2 X L MIN. SEE DETAIL 3/S-3
<br />\ If
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<br />
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<br />GABLE END BRACI~G @
<br />4'-0" O,C. MAX. FOR
<br />FIRST (4) ROWS OF TRUSSES
<br />
<br />~
<br />
<br />NOTE:
<br />1) SEE TRUSS MANUFACTURER'S TRUSS ENGINEERING
<br />CUT SHEETS FOR ADDITIONAL PERMANEiNT BRACING
<br />THAT MAY BE REQUIRED
<br />2) ''1'' BRACING MAY BE USED IN PLACE OF PERMANENT
<br />BRACING PROVIDED IT EXTENDS OVER AT LEAST 90% OF THE WEB.
<br />
<br />,REQUIRED MINIMUM PERMANENT 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 />TRUSS 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 CO~CENTRATION OF ANY
<br />CONS1RUCTION 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 WI 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 />//r-2X4 BLOCKII\;G MAY BE NAILED w/ MIN. EACH DIRECTION TYP. U.N.O.
<br />I\BETWEEN EA. TRUSS (4) 12d WHEN IT LANDS
<br />, II N XT TO PRE-ENG TRUS ,-2x8 BLKING. NAILED @ EACH
<br />2X4 DIAGONAL AT 8 -0 O.C. ..... A E .' SIDE w/ (3) 12d NAILS WHEN
<br />MAX & EACH END ALTERNATE I REQUIRED wi (2) USP MTW12
<br />I DIRECTION TYP.~ WI (14) - 10d X 11/2" EACH
<br />
<br />4'~ ' xi \x ~
<br />
<br />~\) * 1--
<br />,A----- ~ ,
<br /><<--- ~.~
<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 />1-
<br />;-
<br />
<br />COLLAR TIE
<br />V- EVERY 3rd
<br />RAFTER
<br />
<br />1'- ** ~~
<br />
<br />TB
<br />
<br />BEVEL CUTS
<br />/ (OPTIONAL)
<br />~ V
<br />
<br />
<br />~i'-2X4 SPF 2 (2) #7X 3-1/2"
<br />. ~ WOOD SCREW EACH TRUSS
<br />OR USP RT7 @ 48" O.C.
<br />
<br />D~--
<br />
<br />?
<br />
<br />/
<br />
<br />/
<br />
<br />PRE-ENG. TRUSS
<br />
<br />CONT. ROOF SHEATHlr\G AT TRUSS TOr
<br />CHORD AT ALL HAND FRAMED AREAS TYP.
<br />
<br />DIAGONAL "-
<br />AT 8'-0" ""-
<br />MAX 7'
<br />"'-
<br />
<br />* 2x8 #2 SPF RIDGE BEAM
<br />
<br />** 2x6 RAFTERS @ 2'-0"0.C.
<br />MAX, wi (3) 10d COMMON
<br />TOENAILS TO RIDE BEAM
<br />
<br />-,
<br />
<br />..
<br />X -'--- .......
<br />-~WOOD
<br />'- "'- '7 TRUSS
<br />X
<br />
<br />I
<br />
<br />2X4 CONT. AT} ~
<br />T&BCHORD ~
<br />
<br />__ A-A ALTERNATE BLOCKING
<br />
<br />9 ,DETAIL @ INTERIOR BEARING
<br />, S-3 I REV. 8/3/04 SCALE: 3/4"=1'-0"
<br />
<br />-
<br />
<br />I
<br />.7
<br />1
<br />
<br />x
<br />
<br />x
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<br />
<br />x
<br />
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<br />
<br />CONC. MASONRY
<br />STEEL OR WOOD
<br />BEARING SUPPORT
<br />
<br />--
<br />
<br />'-WOOD TRUSS!
<br />
<br />-
<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: 3/4"-1'0"
<br />
<br />-
<br />
<br />-PROVIDE 2X4 MIN. BLOCKING AT
<br />ct. OF HiP/RIDGE, TYP.BETWEEN TRUSSE~
<br />W/ (2) 12D NAILS EACH END TO
<br />TRUSS TOP CHORD
<br />
<br />TYP.
<br />
<br />SEE r-- ~
<br />PLAN ~ ~
<br />
<br />ROOF
<br />SHEATHING
<br />
<br />2X4 BLOCKING
<br />BETWEEN TRUSSES
<br />
<br />,
<br />
<br />SECT. A-A
<br />
<br />I)/~ TRUSS
<br />'~l( A
<br />J~
<br />~
<br />~,
<br />/ "~,~I~
<br />
<br />,
<br />
<br />G.T.
<br />ADD 2X4 ALONGSID:
<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 />JACK
<br />TRUSSE~
<br />
<br />(2) 12D NAIL
<br />AT 12" O.C, MAX
<br />
<br />PRE-ENGINEERED OVERLAP TRUSS BRACING
<br />WOOD TRUSSES \ -, AT LEAST ONE TRUSS
<br />\ SPACE
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<br />
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<br />
<br />~?>- .
<br />.
<br />
<br />\ I. .
<br />
<br />MINIMUM (2) 16d PER JOIN\
<br />'J~MINIMUM 2"x4" SPF OR
<br />* SPACED AT 15'-0" MAX SYP TRUSS BRACING
<br />
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<br />3 DE~
<br />S-3 SCALE: N.T.S.
<br />
<br />I 2B ,HIP/RIDGE BLOCKING DETAIL
<br />\ S-3 IREV. 7/18/03 3/4"=1'-0"
<br />
<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. EI\D
<br />
<br />z:
<br />-Uv--
<br />EDGE VIEW
<br />
<br />- WHEN REQ'D RECESSED
<br />PRE-CAST LINTEL
<br />
<br />~" D BLOCK TIEBEA
<br />tv/ 1#5 REBAR U.N.O.
<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 />
<br /> '"
<br /> I I I "'l I I
<br /> I "'- I
<br />....J
<br />....J I '/ H__ ~ I
<br /><(
<br />3 I 2x8 W/ (2) 16d TOE NAIl: ~/ I
<br />:J
<br />~ EACH END ~
<br />u I 7/16" OSB W/ 6d NAILS ~ I
<br />t-
<br />o I 16" O.C. TO SIDE & TOP NAILER, I
<br />.-i
<br />0 I 2x4 SPF CONTINUOUS BLOCKI G I
<br />f-
<br />a... ATTACHED TO 7~16" OSB W~
<br />:J I (2) 8d NAILS. S E DETAIL A OV I
<br /> I I
<br /> I x8 P.T. W/ TAPCON HW4-2 4 I
<br /> (1/4"x2-3/4") @ 12" O.C. MAX
<br /> I I
<br /> I 10'-11%" MAX I
<br /> WINDOW OR
<br /> _ DOOR OPN'G
<br />I 10\ DET. @ ARCH WINDOW FRAMIN(
<br />, S-3 I eMU WALL 3-17-04 SCALE: N.T.S.
<br />
<br />.
<br />
<br />- ,--
<br />
<br />:g:
<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 />~
<br />~
<br />
<br />:8:
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<br />
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<br />FOR CONN.
<br />
<br />(3) 166 \
<br />COMMON
<br />NAILS(TYP)
<br />
<br />1\
<br />-... \ \
<br />
<br />..........HEADER PER LOCATION
<br />
<br />/'" ~
<br />
<br />~~~///~ ~~/;~
<br />'/~ ~y
<br />v/ 7/16" OSB WI 6d NAILS @ ~
<br />~ 16" a.c. TO SIDE & TOP NAILER ~
<br />~ 2x WI (2) 16d TOE NAILS ~
<br />1 EACH END TYP. ~
<br />
<br />2x4 SPF CONTINUOUS BLOCKING
<br />ATTACHED TO 7/16" OSB WI
<br />(2) 8d NAILS. SEE DETAIL ABOVE
<br />
<br />7'-0" MAX
<br />WINDOW OR
<br />__ DOOR OPN'G
<br />(ii, DET. @ ARCH WINDOW FRAMING
<br />\...S-3 I FRAME WALL
<br />
<br />-
<br />
<br />3-17-04
<br />
<br />SCALE: 1/2" = 1'-0"
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<br />LAST PLOT DATE ('\J
<br />March 10, 2005 @
<br /> DETAILS
<br />
|