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StLucieCounty TABLE OF CONTENTS
GENERAL STANDARD ENGINEERING PAGES
1:... LATERAL BRACING RECOMMENDATIONS...l................
ST-STRGBCK
2... WEB BRACING RECOMMENDATIONS........... 11................ST-WEBBRACE
3... TRUSS WEB BRACING LETTER
4... SCAB -BRACE DETAIL .................................... Ji...................ST-SCAB-BRACE
T-BRACE/I-BRACE DETAIL W/2X BRACE ONLV..............ST-T-BRACE 2
6... L-BRACE DETAIL .......... ...............................!11...............
ST- L BRACE
7.... OPEN JACK & CORNER HIP RAFTER DETAIL..I...............ST-CORNER SET
8... LATERAL TOE -NAIL DETAIL ...........................
i
9..•.UPLIFT TOE -NAIL DETAIL ..............................! ............. ST-TOENAIL-UPLIFT
10... LATERAL TOE -NAIL DETAIL ................... .......I............ ST-TOENAIL SP
II ... TRUSSED VALLEY SET DETAIL ....................... !............ ST-VALLEV3
12... STANDARD PIGGYBACK TRUSS CONNECTION DETAIL..ST-PIGGY-ALT
13... STANDARD PIGGYBACK TRUSS CONNECTION DETAIL (PERPENDICULAR)
14... STANDARD GABLE END DETAIL..................................ST-GE170-SP
15 ... STANDARD GABLE END DETAIL..................................ST-GE170-D-SP
16 ... STANDARD GABLE END DETAIL..................................SKEET 2
17... BEARING BLOCK DETAIL .......................................... ST-BLCK1
18... BEARING BLOCK DETAIL............................................S.T-BLCK2
CARL G. FORBES, PE
555 S. POMPANO PKWY
POMPANO BEACH, FL M69
LICENSE NO: 2069;-=`
954) 682-6651' . ' .-'-/'
t
PLATE LOCATION AND ORIENTATION
Center plate on joint unless x, y
offsets are indicated.
Dimensions ore in ft-in-sixteenths.
Apply plates to both sides of truss
and fully embed teeth.
9
For 4 x 2 orientation, locate
plates 0-Ilia' from outside
edge of truss.
This symbol indicates the
required direction of slots in
connector plates.
Plate location details available in MITek 20/20
software or upon request.
PLATE SIZE
The first dimension is the plate
4 x 4 width measured perpendicular
to slots. Second dimension is
the length parallel to slots.
LATERAL BRACING LOCATION
Indicated by symbol shown and/or
by text in the bracing section of the
output. Use T, I or Eliminator bracing
if indicated.
BEARING
Indicates location where bearings
supports) occur. Icons vary but
reaction section indicates joint
number where bearings occur.
I
I
Industry Standards:
ANSI/TPII : National Design Specification for Metal
Plate Connected Wood Truss Construction.
DSB-89: Design Standard for Bracing.
BCSI: Building Component Safely Information,
Guide to Good Practice for Handling,
Installing & Bracing of Metal Plate
Connected Wood Trusses.
s
3umbb er ing Sys g
i'• o,ril l
6-4-8 dimensions shown in ft-in-sixteenths
Drowings not to scale)
1 2 3
TOP CHORDS
C I.2 C2-3
o WEBS c3 4
w c ty i; n O
0
U
o- 'u U
O o
C7-e C6.7 CS•6 O
F-
BOTTOM CHORDS
8 7 6 5
JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKWISE
AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO
THE LEFT.
CHORDS AND WEBS ARE fDENTIFIED BY END JOINT
NUMBERS/LETTERS.
PRODUCT CODE APPROVALS
ICC-ES Reports:
ESR-1311. ESR-1352, ER-5243, 9604B,
95-43, 96-31,•9667A
NER-487, NER-561
95110, 84-32, 96-67, ER-3907, 9432A
2006 MiTekO All Rights Reserved
M!Tek
1=7W,E R TM P97RF-ORM."
Miiek Engineering Reference Sheet: Mll-7473 rev, 10208
W6 .eif4ei al S9e3v N roibe
Failure to Follow Could Cause Property
Damage or Personal Injury
1. Additional stability bracing for truss system, e.g.
diagonal or X-bracing, is always required. See BCSI.
2. Truss bracing must be designed by on engineer. For
wide truss spacing, individual lateral braces themselves
may require bracing, or olternotive T, I. or Eliminator
bracing should be considered.
3. Never exceed the design loading shown and never
stack moterfots on inadequately braced trusses.
4. Provide copies of this truss design to the building
designer, erection supervisor, property owner and
all other interested parties.
5. Cut members to bear tightly against each other.
6. Place plates on each face of truss at each
joint and embed fully. Knots and wone of joinl
locations are regulated by ANSI/rPI 1.
7. Design assumes trusses will be suitably protected from
the environment in accord with ANSI/TPI 1.
8. Unless otherwise noted, moisture content of lumber
shall not exceed 19% at time of fabrication.
9. Unless expressly noted, this design is not applicable for
use wfih fire retardant, preservative treated, or green lumber.
10. Comber is a non-structural consideration and is the
responsibility of truss fabricator. General practice is to
camber for dead load deflection.
11. Plate type, sae, orientation and location dimensions
indicated are minimum plating requirements.
12. Lumber used shot] be of the species and size, and
in oil respects, equal to or better than that
specified.
13. Top chords must be sheathed or purfins provided at
spacing indicated on design.
IA. Bottom chords require lateral bracing at 10 It. spacing,
or less, if no ceiling is installed, unless otherwise noted.
15. Connections not shown are the responsibility of others.
16. Do not cut or alter truss member or plate wilhout prior
approval of on engineer.
17. Install and load vertically unless indicated otherwise.
18. Use of green or treated lumber may pose unacceptable
environmental• health or performance risks. Consult with
project engineer before use.
19. Review all portions of this design (front, back, words
and pictures) before use. Reviewing pictures alone
is not sufficient.
20. Design assumes manufacture in accordance with
ANSI/TPI 1 Quarily Criteria.
FEBRUARY 8, 2008
MiTel(USA, Inc.
LATERAL BRACING• RECOMMENDATIONS ST-STRGBCK
I
MiTol( USA,.Inc. -- Page 1 of 1
TO MINIMIZE VIBRATION COMMON TO ALL SHALLOW FRAMING SYSTEMS,
12x6 "STRONGBACK" IS RECOIMMENDED, LOCATED EVERY 8 TO 10 FEETALONGAFLOORTRUSS.
NOTE 1: 2X6 STRONGBACK ORIENTED VERTICALLY"MAY BE POSITIONED DIRECTLY UNDER THE TOFF CHORD OR DIRECTLYABOVETHEBOTTOMCHORD. SECURELY FASTENED TO -THE TRUSS USING ANY OF THE METHODS ILLUSTRATED BELOW.
NOTE 2: STRONGBACK BRACING ALSO SATISFIES THE LATERAL BRACING REQUIREMENTS FOR THE BOTTOM CHORD OFTHETRUSSWHENITISPLACEDONTOPOFTHEBOTTOMCHORDJ, IS CONTINUOUS FROM END TO END, CONNECTEDWITHAMETHODOTHERTHANMETALFRAMINGANCHOR, AND P OPERLY CONNECTED, BY OTHERS, AT THE ENDS.
USE METAL FRAMING
ANCHOR TO ATTACH
TO TOP CHORD\
ATTACH TO VERTICAL
WEB WITH (3) - 10d NAILS
0.131"x 3")
BLOCKING BEHIND THE
VERTICAL WEB 1S
RECOMMENDED WHILE
NAILING THE STRONGBACK
USE METAL FRAMING
ANCHOR TO ATTACH ATTACH TO VERTICAL
TO BOTTOM CHORD WEB WITH (3) -10d NAILS
0.131" x 3")
ATTACH TO VERTICAL
SCAB WITH (3) -I10d NAILS
OA31" x 3")
ATTACH' 2x4 VERTICAL TO FACE
OF TRUSS. FASTEN TO TOP AND
BOTTOM CHORD WITH (2) - 10d
NAILS (0.131" x 3") IN EACH CHORD
ATTACH TO VERTICAL
SCAB WITH (3) -10d NAILS
0.1 1" x 3")
TRUSS ; 2x6 I 4-0-0
1 WALL
Q
STRONGBACK i (TYPICAL SPLICE) 7 (6Y O'
INSERT WOOD SCREW THROUGH OUTSIDE
FACE OF CHORD INTO EDGE OF STRONGBACK
DO NOT USE DRYWALL TYPE SCREWS)
ATTACH TO VERTICAL
WEB WITH (3) - 10d NAILS
0.131 N W)
ATTACH TO CHORD
WITH TWO #1Zx 3"
WOOD SCREWS (.216" DIAM.)
INSERT SCREW THROUGH OUTSIDE
FACE OF CHORD INTO EDGE OF
STRONGBACK (DO NOT USE
DRYWALL TYPE SCREWS)
THE STRONGBACKS SHALL BE SECURED AT THEIR ENDS TO ADEQUATE SUPPORT, DESIGNED BY OTHERS. 1F SPLICING IS NECESSARY; USE A 4'4- LONGSCABCENTEREDONTHESPLICEANDJOINEDWITH (12) -10d NAILS0.131 " x 3") EQUALLY SPACED.
ALTERNATE METHOD OF SPLICING:
OVERLAP STRONGBACK MEMBERS A MINIMUM OF 4'-0" AND FASTEN WITH (12) - 10dNAILS (0.131" x 3") STAGGERED AND EQUALLY SPACED.
TO BE USED ONLY WHEN STRONGBACK IS NOT ALIGNED WITH A VERTICAL)
BLOCKING
BY OTHERS)
f ,
a I
MARCH 12, 2009 WEB BRACING RECOMMENDATIONS ST-WEBBRACE
MiTek USA, Inc. Page 1 of 1r
MiTek USA, Inc.
BRACE
MAXIMUM TRUSS WEB FORCE (Ibs.)(See note 7)
24" O.C. 48"O.C. 72" O.C. BAY SIZE
BRACING MATERIAL TYPE BRACING MATERIAL TYPE BRACING MATERIAL TYPE
A B C D A B C D C I D
L'"'•` "''`' `• 10'-0' 1610 1886 1886 2829
1'
1342 1572 1572 2350 III 3143 3143 4715 4715 j 7074
r , .:.::-
14'-0' 1150 1347 1347 2021
t r ::i i %. •: .'.:; ;;;ky'
i. i?I^
Y
iYin .{'•'tom:`'
ti:.
r=.y:,a .:..ate.: .....-...:..r':ici'.:.:._:`r.'
2358
Ai f'` t_i i...
f''~,.:•• i.',..'•'t,f., ::C:'I'e•'
16'-0' 1006 1179 1179Y 1768 t,',i ' 2358 3536
i"
t}
t `.ii"j:•:,S:i
1886 1886 1 2829
3143••' ::•:.`" *4715. 18'-0" 894 1048 1048 1572
20 805 943 1414
Bay size shall be measured in between the centers of pairs of diagonals.
TYPE BRACING MATERIALS
GENERAL NOTES
1. DIAGONAL BRACING IS REQUIRED TO TRANSFER THE CUMULATIVE LATERAL BRACE FORCE INTO THE
ROOF AND/OR CEILING OIAPHRAGM.THE DIAPHRAGM IS TO BE DESIGNED BY A QUALIFIED
PROFESSIONAL.
1 X 4 IND. 45 SP 2. THESE CALCULATIONS ARE BASED ON LATERAL BRACE CARRYING 2%OF THE WEB FORCE.
A. i OR- 3. DIAGONAL BRACING MATERIAL MUST BE SAME SIZE AND GRADE OR BETTER, AS THE LATERAL BRACE
INMATERIAL. AND SHALL BE INSTALLED SUCH A MANNER THAT IT INTERSECTS WEB MEMBERS
1 X 4 112 SRB (OF, HF, SPF) AT APPROX. 45 DEGREES AND SHALL BE NAILED AT EACH END AND EACH INTERMEDIATE TRUSS WITH 2.0d
0.131-Id.5-) FOR 1.4 BRACES, 2-10d (0.131". 3') FOR 24 and 2.4 BRACES. AND 3.10d (D.131-Ki') FOR 2.6 BRACES.
u,—„,__,_,_, _ t CONNECT LATERAL BRACETO EACH TRUSS WITH 2•Bd (0.131-X2.5-) NAILS FOR ix4 LATERAL BRACES.
2.10d (0.131•IG-) NAILS FOR 2x3 and 2x4 LATERAL BRACES. AND 3.10d (0.131",411 FOR 2.6 LATERAL BRACES. B 2 X 3 03, STD, CONST (SPF, DF, HF, OR SP) 5. LATERAL BRACE SHOULD BE CONTINUOUS AND SHOULD OVERLAP AT LEAST ONE TRUSS SPACE
FOR CONTINUITY.
6. FOR ADDITIONAL GUIDANCE REGARDING DESIGN AND INSTALLATION OF BRACING. CONSULT
C 2 X 4 113, STD, CONST (SPF, DF, HF, OR SP) DSO-09 TEMPORARY BRACING OF METAL PLATE CONNECTED WOOD TRUSSES AND BCSI 1
GUIDE TO GOOD PRACTICE FOR RANOLWG, INSTALLING 6 BRACING OF METAL PLATE CONNECTED
WOOD TRUSSES. JOINTLY PRODUCED BY WOOD TRUSS COUNCIL OF AMERICA and TRUSS PLATE INSTITUTE.
www.shclnduslr4.tann and www.lpinsl.org _
D 2 X 6 43 OR BETTER (SPF, DF, HF, OR SP) 7. REFER TO SPECIFIC TRUSS DESIGN DRAWING FOR WEB MEMBER FORCE.
B, TABULATED VALUES ARE BASED ON A DOL - 1.15
FOR STABILIZERS:
FOR A SPACING OF 24. O.G. ONLY, MITEK'STABILIZER- TRUSS BRACING SYSTEMS CAN BE
SUBSTITUTED FOR TYPE A, B. C AND D BRACING MATERIAL DIAGONAL BRACING FOR STABILIZERS
ARE TO BE PROVIDED AT BAY SIZE INDICATED ABOVE. WHERE DIAPHRAGM BRACING IS REQUIRED
AT PITCH BREAKS. STABILIZERS MAY BE REPLACED WITH WOOD BLOCKING. SEE *STABILIZER'
TRI IAA RnAr. Alr IM-11 AT— r 11— Aun onnnl,nr coer•tnr Ttnu
MEMBERS
This information is provided as a recommendation to assist in the
requirement for permanent bracing of the individual truss web
members. Additional bracing may still be required for the stability
of the overall roof system. The method shown here is just one
method that can be used to provide stability against web buckling.
CONTINUOUS LATERAL
RESTRAINT
2-10d NAILS
SEE NOTE 4)
S
N
CARL G. FORBES, P.E.
555 S. POMPANO PARKWAY
POMPANO BEACH, FL 33069
FL. LICENSE N,O.20699
954) 6824651
March 16, 2016
To who it may concern:
Re: TRUSS WEB BRACING
CUSTOM TRUSS
For any of the trusses designed by this office, where 1x4 lateral bracing is called for on the
engineering sheets, the following may be substituted:
If one brace is called for, lx4 "T" or "I", Hem Fir or Southern, -Yellow Pine may be used with
8d nails at 8 inches o.c.
If two braces are called for, 2x4 "T" or "I" Hem Fir or Southern Yellow Pine may be used with
12d nails at 8 inches o.c.
In all cased, the "T" or "I" brace must be installed and centered along at least 90% of the length
of the web.
Please let me know if I can be of any further assistance.
Very;truly yours,
t . : Carl' G. Forbes, P.E.
Licepse•N-0:'20699
C3
Y
JANUARY 1, 2009
R
lJ _lE
MiTiek USA, Inc.
SCAB -BRACE DETAIL
Note: Scab -Bracing to be used when continuous
I lateral bracing at midpoint (or T-Brace) is
impractical.
Scab must cover full length of web +/- 6".
THIS DETAIL IS NOT APLICABLE WHEN BRACING IS "'
REQUIRED AT 1/3 POINTS OR I -BRACE IS SPECIFIED.
APPLY 2xSCAB TO ONE FACE OF WEB WITH 2
ROWS OF_ 10d (3" X 0.131 ") NAILS SPACED 6" O.C. SCAB
MUST BE THE SAME GRADE, SIZE AND SPECIES (
OR BETTER) AS THE WEB. I
I
SCAB
BRACE MAXIMUM
WEB AXIAL FORCE = 2500 Ibs MAXIMUM
WEB LENGTH = 12'-0" 2x4
MINIMUM WEB SIZE MINIMUM
WEB GRADE OF #3 Nails
Section Detail Scab -
Brace Web
Scab -
Brace must be same species grade (or better) as web member. ST -
SCAB -BRACE MiTek
USA, Inc. Page 1 of 1 Y
August 10, 2010 T-BRACE / I -BRACE DETAIL WITH 2X BRACE ONLY ST - T-BRACF_ 2 1
I
00 ®R MiTek USA, Inc. Page 1 of 1
I
I V - Note: T-Bracing / I -Bracing to be used when continuous lateral bracing
f
is impractical. T-Brace / I -Brace must cover 90% of web length. I `
Ul , Note: This detail NOT to be used to convert T-Brace / I -Brace
MITek USA, Inc.
webs to continuous lateral braced webs: -_ -
Nailing Pattern
T-Brace size Nail Size Nail Spacing
2x4 or 2x6 or 2x8 10d I 6" O.C.
Note: Nail along entire length of T-Brace / I -Brace
On Two-Ply's Nail to Both Plies)
WE
Nails
vveo
Nails
Brace Size
for One -Ply Truss
Specified Continuous
Rows of Lateral Bracing
2x3 or 2x4 2x4 T-Brace2x4 I -Brace
2x6 ! 2x6 T-Brace 2x6 I -Brace
2x8 2x8 T-Brace MI -Brace
Brace Size
for Two -Ply Truss
Specified Continuous
Rows of Lateral Bracing
Web Size 1 2
2x3 or 2x4 2x4 T-Brace 2x4 I -Brace
2x6 2x6 T-Brace 2x6 kBrace
2x8 ^ 2x8 T-Brace — 2x8 I -brace
T-Brace / I -Brace must be same species
and grade (or better) as web member.
Nails
K
Web I —Brace
Nailsz .
1.
JANUARY 1, 2009
11 Fill E
I MiTek USA, Inc.
L-BRACE DETAIL
Nailing Pattern
L-Brace size Nail Size Nail Spacing
4 x4 or 6 10d 8" o.c.
2x4, 6, or 8 16d 8" D.C.
Note: Nail along entire length of L-Brace
On Two-Ply's Nail to Both Plies)
WE
Web
Nails
L-Brace must be same species grade (or better) as web member.
ST - L-BRACE
Mirek USA, Inc. Page 1 of 1
Note: L-Bracing to be used when continuous
lateral bracing is impractical. L-brace
must cover 90% of web length.
L-Brace Size
I for One -Ply Truss
i Specified Continuous
Rows of Lateral Bracing
i
Web Size 1 2
2x3 or 2x4 1 x4
2x6 1 x6 "**
2x8 2x8
DIRECT SUBSTITUTION NOT APLICABLE.
L-Brace Size
for Two -Ply Truss
Specified Continuous
Rows of Lateral Bracing
Web Size 1 2
2x3 or 2x4 2x4
2x6 2x6
2x8 2x8
DIRECT SUBSTITUTION NOT APLICABLE
JANUARY 22, 2013 OPEN JACK AND CORNER
HIP CORNER DETAIL ST-CORNER SET
000
0 00
a
MiTek USA, Inc.
A
Open End Jack
PITCH B
MAX8.00 12
MIN 4.00 12
3x4= C
L SPAN (M-0 MAX) I,
Max. overhang: 2-M
Hip Comer
D
PITCH
MAX 5.e6 12
MIN 2.93 12
Plate covers
1-1/2" min.
3x10= over bearing
SPAN (11-3-12 MAX)
Mln. heel helgth: 0-3-15
Max. overhang: 2-10.0
Lumber. SPF MSR 21001.8E min. top chord required for
top chord slopes between 5.01/12 and 8/12.
SPF No. 2 min. top chord slopes between 5112 and 4112.
SPF No. 2 min. bottom chord.
SYP No. 2 or better for comer rafter.
Plates: All plates are MT20 Installed on each face per TPI 1
SQUARE CUT
Connection at A Connection at C
91DEVIEW 9IDEVIEW
Mks M4)
y
NEARSIDE NEAR 910E
FAR SIDE FAR SIDE
VN— NEARSIDE —' NEAR 9IDE
0.00•
L
Lre
10d (0.131" x 3") nails
MTek USA, Inc. Page 1 of 1
Connection at D
Connect top of comer Hip with (3) 10d (0.131" x 3")
toenails Into top chord of hip girder. +
rs
v
Hip Girder
Hip Girder
1
Attach 12' 2x6 SYP No. 2 block with
two rows of 10d (0.131' x 3")
nails spaced 3" oc. Use a
min 3" member end distance
45 DEGREE ANGLE
Connection at B
BEVEL CUT
SIDE VIEW
214) 2 NARS
NEAR SIDE
NEAR 916E
45.00•
L2
L rt
10d (0.131" x 3") nails
4ind loading:
Basic wind speed is 170 MPH - ASCE 7-10
Exposure category B or C.
Occupancy category II
8 psf top chord dead load.
4.2 psf bottom chord dead load.
25' roof height.
MWFRS Directional / C-C Hybrid
Enclosed building (Cond. 1)
Duration of load is 1.60
reflection:
Truss LL- U360 TL- U240
Loading: Duration of load is 1.25
30 psf top chord live load
15 psf top chord deal load
0 psf bottom chord live load
10 psf bottom chord dead load
10 psf non -concurrent bottom chord live load
Conforms to: IRC 200012003/2006/2009/2012
IBC 2000/2003/2006/2009/2012
r
March 4, 2013 LATERAL TOE -NAIL DETAIL ST-TOENAIL
MTek USA, Inc. Page 1 of 1
I 0
E]E] Ni. OTES:
SHALL BE DRIVEN AT AN ANGLE OF 30 DEGREES WITH THE MEMBER
AND STARTED 1/3 THE LENGTH OF THE NAIL FROM THE MEMBER END AS SHOWN.
2. THE END DISTANCE, EDGE DISTANCE, AND SPACING OF NAILS SHALL BE SUCH
J( AS TO AVOID UNUSUAL SPLITTING OF THE WOOD.
L 3. ALLOWABLE VALUE SHALL BE THE LESSER VALUE OF THE BOTTOM CHORD SPECIES
MiTek USA, Inc.
FOR MEMBERS OF DIFFERENT SPECIES. I,
I SQUARE CUT
TOE -NAIL SINGLE SHEAR VALUES PER NDS 2005 (lb/nail)
DI_A_M. SP DF_ - HF __ S_PF SPF-S
0 131 88.1- 80.6 69.9 68.4 59.7
z
135 93.5 85.6 74.2 72.6 63.4
j
Ui
162 _ 116.3 108.3 T1 93_9 91.9 80.2
0 128 84-1 76.9 66.7 65.3 57.0
z
j 131_ 88.1 80.6 69.9 68.4 59.7
N 148 106.6 97.6 ; 84.7 82.8 72.3
EV5I
0 1 .120 73.9 67.6 I 58_7 50.1
z•--
O 128 84.1 76.9 - 66.7
57.4
65.3 57.0
0 131 88.1 80.6 69.9 68.4 59.7
9
148--106.6 97.6 84.7 82.8 72.3
VALUES SHOWN ARE CAPACITY PER TOE -NAIL.
APPLICABLE, DURATION OF LOAD INCREASES MAY BE APPLIED.
EXAMPLE:
3) - 16d NAILS (.162" diam. x 3.5") WITH SPF SPECIES BOTTOM CHORD
For load dw2tion increase of 1.15:
3 (nails) X 91.9 (lb/nail) X 1.15 (DOL) = 317.0 lb Maximum Capacity
45 DEGREE ANGLE
BEVEL CUT
SIDE VIEW
2x3)
2 NAILS
NEAR SIDE
NEAR SIDE
I SIDE VIEW SIDE VIEW
2 NAILS 2NAILS
NEAR SIDE NEARSIDE
FAR SIDE
I'
NEAR SIDE i -
i FAR SIDE
I
SIDE VIEW
2x6)
4 NAILS
SIDE VIEW
2x4)
3_NAILS
NEAR SIDE -
NEAR SIDE
NEAR SIDE
NEAR SIDE
I FAR SIDE
NEAR SIDE
FAR SIDE
SIDE VIEW
2x6)
4 NAILS
NEAR SIDE
NEAR SIDE
NEAR SIDE
NEAR SIDE
March 4, 2013 UPLIFT TOE -NAIL DETAIL ST-TOENAIL UPL• IFTI
MiTek USA, Inc. Page 1 of 1
THIS DETAIL SHALL BE USED FOR A CONNECTION RESISTING
on UPLIFT FORCES ONLY. BUILDING DESIGNER IS RESPONSIBLE
l FOR LOADS IN OTHER DIRECTIONS.
MiTek USA, Inc.
END VIEW '
SIDE VIEW
o.00 °
TOP PLATE
OF W LL 1" FOR 3" NAIL
NEAR SIDE 7l-1/16"FOR3.25"NAIL
NEAR SIDE L I L 1-3/16" FOR 3.5" NAIL
VIEWS SHOWN ARE FOR
FAR SIDE ILLUSTRATION PURPOSES ONLY
TOE -NAIL WITHDRAWAL VALUES PER NDS 2005 (lb/nail)
DIAM. SP DF HF SPF SPF-S
0 131 59 46 32 30 20
O 135 60 48 33 30 20
J
u, 162 72 58 39 37 25
J
I=— Z 128 54 42 28.__ 27 19
W 131 55 43 29 28 19
J N 148 62 48 34 31 21
Z m
C7 120 51 39_ 27 26 _ 17__
O.128 49 38 26 25 17
c 131 51 39 27 26 17
c6
148 57 44 31 28 20
NOTES:
1. TOE -NAILS SHALL BE DRIVEN AT AN ANGLE OF 30 DEGREES
WITH THE MEMBER AND STARTED 1/3 THE LENGTH OF THE
NAIL FROM THE MEMBER END AS SHOWN.
2. THE END DISTANCE, EDGE DISTANCE, AND SPACING OF
NAILS SHALL BE SUCH AS TO AVOID UNUSUAL SPLITTING
OF THE WOOD.
3. ALLOWABLE VALUE SHALL BE BASED ON THE SPECIE WITH
LOWER NAIL CAPACITY BETWEEN THE TWO MEMBERS IN
THE CONNECTION.
VALUES SHOWN ARE CAPACITY PER TOE -NAIL
APPLICABLE DURATION OF LOAD INCREASES MAY BE APPLIED.
EXAMPLE:
3) -16d NAILS (.162" diam. x 3.5") WITH SPF SPECIES TOP PLATE
For Wind DOL of 1.33:
3 (nails) X 37 (lb/nail) X 1.33 (DOL for wind) = 148 lb Maximum Allowable Uplift Reaction Due To Wind
For Wind DOL of 1.60:
3 (nails) X 37 (lb/nail) X 1.60 (DOL for wind) =177 lb Maximum Allowable Uplift Reaction Due To Wind
If the uplift reaction specified on the Truss Design
Drawing exceeds 147 Ibs (177 ibs) Building Designer
is responsible to specifiy a different connection.
USE (3) TOE -NAILS ON 2x4 BEARING WALL
USE (4) TOE -NAILS ON 2x6 BEARING WALL
t JANUARY 28, 2015 I LATERAL TOE -NAIL DETAIL I ST-TOENAIL_SP
MiTek USA, Inc. Page 1 of 1
vI NOTES: I f 1. TOE -NAILS SHALL BE DRIVEN AT AN ANGLE OF 45 DEGREES WITH THE MEMBER
AND MUST HAVE FULL WOOD SUPPORT. 1 (NAIL MUST BE DRIVEN THROUGH AND
EXIT AT THE BACK CORNER OF THE MEMBER END AS SHOWN.
2. THE END DISTANCE, EDGE DISTANCE, AND SPACING OF NAILS SHALL BE SUCH
AS TO AVOID UNUSUAL SPLITTING OF THE WOOD.
MiTek USA, Inc.
3. ALLOWABLE VALUE SHALL BE THE LESSER VALUE OF THE TWO SPECIES
FOR MEMBERS OF DIFFERENT SPECIES.
OE -NAIL SINGLE SHEAR VALUES PER NDS 2001 (lb/nail)
D14M. SP DF HF SPF SPF-S
C9 131 88.0 86.6 69.9 68.4 59.7
p 85.6 74.2 72.6 63.4
LQ-
j135
162
93.5
108.8 99.6 86.4- 84.5 73.8
128 74.2 67.9 58.9 57.6 50.3
z
JO 75.9 69.5 60.3 59.0 51.1
in
131
148 81.4 74.5 64.6 63.2 52.5
Cl)
VALUES SHOWN ARE CAPACITY PER TOE -NAIL.
APPLICABLE DURATION OF LOAD INCREASES MAY BE APPLIED.
EXAMPLE:
3) - 16d NAILS (.162" diam. x 3.5') WITH SPF SPECIES BOTTOM CHORD
For load duration increase of 1.15:
3 (nails) X 84.5 (lb/nail) X 1.15 (DOL) = 291.5 lb Maximum Capacity
ANGLE MAY
VARY FROM
30 *TO 60 °
45.00"
ANGLE MAY
VARY FROM
30 ° TO 60 °
ITHIS DETAIL APPLICABLE TO THE IITHREEENDDETAILSSHOWNBELOW
VIEWS SHOWN ARE FOR
ILLUSTRATION PURPOSES ONLY
SIDE VIEW
2x3)
2 NAILS
NEAR SIDE
NEAR SIDE
SIDE VIEW
2x4)
3 NAILS
NEAR SIDE
NEAR SIDE
NEAR SIDE
45.000
SIDE VIEW
2x6)
4 NAILS
NEAR SIDE
NEAR SIDE
NEAR SIDE
NEAR SIDE
ANGLE MAY
VARY FROM
300 TO 600
45.00 °
FEBRUARY 14, 2012 TRUSSED VALLEY SET DETAIL ST-VALLEYS =
MiTek USA, Inc. Page 1 of
LIVE LOAD = 30 PSF (MAX) 0 0o GABLE END, COMMON TRUSS NOTE: VALLEY STUD SPACING NOT,
OR GIRDER TRUSS DEAD LOAD = 15 PSF (MAX)
TO EXCEED 48" O.C. SPACINGD.O.L. INC = 1.15
ASCE 7-98, ASCE 7-02, ASCE 7-05 (MWFRS) 100 MPH
MiTek USA. Inc. ASCE 7-10 (MW FRS)125 MPH
I II
I'
it--
11 I II II
11 II II p 11
u u u n u u
11 11 " 11
I ---- --- 11 11111III
111' 1
II I
II
II1
II 11 11 11 11 11
1' 11 II II II II
II II 11
1
1' 'I II II II II
II
II
C
I I 1
11 II II
II
II
VALLEY
24"O.C.)
TRUSS TYPICAL
BASE TRUSSES
c
TYPICAL (24" O.C.) -
VALLEY TRUSS TYPICAL GABLE END, COMMON TRUS:
nl Inn
P F121. INSTALL BASE TRUSSES.
2. APPLY SHEATHING TO TOP CHORD OF SUPPORTIN
TRUSSES, VALLEY TRUSSES MAY PROVIDE 6
BRACING IF SHEATHING IS NOT APPLIED. -- u
BASE TRUSSES MUST BE DESIGNED FOR 7 1PURLINSPACINGEQUIVALENTTOVALLEYi
TRUSS SPACING (NOT TO EXCEED 24" O.C.). '---------
3. INSTALL VALLEY TRUSSES (24" O.C. MAXIMUM)
AND SECURE TO BASE TRUSSES AS e
PER DETAIL A, B, OR C BELOW.
SEE DETAIL4. BRACE VALLEY WEBS IN ACCORDANCE WITH
A, B, OR CTHEINDIVIDUALDESIGNDRAWINGS.
BELOW (TYP,) g "
TOE - NAIL VALLEY TO
BASE TRUSS W/
12 11 10
2) 16d TOE NAILS
ATTACH 2x6 CONTINOUS NO.2 SPF ATTACH 2x4 CONTINOUS NO.2 SPF
TO THE FACE OF THE ROOF W/ TWO BLOCK TO THE FACE OF THE ROOF W/
16d (.131" x 3.5") NAILS INTO EACH TWO 16d (A31" x 3.5") NAILS INTO EACH
TRUSS BELOW TRUSS BELOW. EACH TRUSS BELOW
MUST HAVE A BLOCK ATTACHED TO IT.
TOE - NAIL VALLEY TO
BASE TRUSS W/
VALLEY TRUSS 2) 16d TOE NAILS
RESTS ON 2x6
DETAIL A
GREATER THAN 3/12 PITCH)
DETAIL B
ATTACH BEVELED 2x4 CONTINOUS
NO.2 SPF TO THE FACE OF THE ROOF
3/12 PITCH OR LESS) _
W/ TWO 16d (A31" x 3.5") NAILS INTO
EACH TRUSS BELOW
ATTACH VALLEY TO
BEVELED 2x4 W/
2 )16d TOE NAILS
DETAIL C TOE - NAIL VALLEY TO
GREATER THAN 3/12 PITCH BASE TRUSS W/
LESS THAN 12/12 PITCH) (2) 16d TOE NAILS
FEE3F UARY 14, 2012
I STANDARD PIGGYBACK i ST-PIGGY-ALTITRUSSCONNECTIONDETAIL
MiTek USA, Inc.
A- PIGGBACK TRUSS, REFER TO MITEK TRUSS DESIGN DRAWING.
SHALL BE CONNECTED TO EACH PURLIN
WITH (2) 0.131" X 3.5" TOE NAILED.
B - BASE TRUSS, REFER TO MITEK TRUSS DESIGN DRAWING.
C - PURLINS AT EACH BASE TRUSS JOINT AND A MAXIMUM 24" O.C.
UNLESS SPECIFIED CLOSER ON MITEK TRUSS DESIGN DRAWING.
CONNECT TO BASE TRUSS WITH (2) 0.131"X 3.5" NAILS EACH.
D - 2 X X 4'-0" SCAB, SIZE AND GRADE TO MATCH TOP CHORD OF
PIGGYBACK TRUSS, ATTACHED TO ONE FACE, CENTERED ON
INTERSECTION, WITH (2) ROWS OF 0.131" X 3" NAILS @ 4" O.C.
SCAB MAY BE OMITTED PROVIDED THE TOP CHORD SHEATHING
IS CONTINUOUS OVER INTERSECTION AT LEAST 1 FT. IN BOTH
DIRECTIONS AND:
1. WIND SPEED OF 90 MPH OR LESS FOR ANY PIGGYBACK SPAN, OR
2. WIND SPEED OF 91 MPH TO 140 MPH WITH A MAXIMUM
PIGGYBACK SPAN OF 12 It.
E - FOR WIND SPEED IN THE RANGE 126 MPH -160 MPH
ADD 9" x 9" x 1/2" PLYWOOD (or 7/16" OSB) GUSSET
EACH SIDE AT 48" O.C. OR LESS. ATTACH WITH
3 - 6d (0.113- X 2') NAILS INTO EACH CHORD FROM
EACH SIDE (TOTAL - 12 NAILS)
WHEN NO GAP BETWEEN PIGGYBACK AND BASE TRUSS EXISTS:
REPLACE TOE NAILING OF PIGGYBACK TRUSS TO PURLINS WITH Nall -On
PLATES AS SHOWN, AND INSTALL PURLINS TO BOTTOM EDGE OF BASE
TRUSS TOP CHORD AT SPECIFIED SPACING SHOWN ON BASE
TRUSS MITEK DESIGN DRAWING.
SCAB C(
NOTE D
7" x 7" x 1/2" PLYWOOD (or 7/16" OSB) GUSSET EACH SIDE AT 24" O.C. AT
EACH BASE TRUSS JOINT. ATTACH WITH 3 - 6d (0.113- X 2") NAILS
INTO EACH CHORD FROM EACH SIDE (TOTAL -12 NAILS)
VERTICAL WEB TO
EXTEND THROUGH
BOTTOM CHORD
OF PIGGYBACK
MiTek USA, Inc.
MAXIMUM WIND SPEED = REFER TO NOTES D AND OR E
MAX MEAN ROOF HEIGHT - 30 FEET
MAX TRUSS SPACING = 24 " O.C.
CATEGORY II BUILDING
EXPOSURE B or C
ASCE 7-02. ASCE 7-05
DETAIL IS NOT APPLICABLE FOR TRUSSES
TRANSFERING DRAG LOADS (SHEAR TRUSSES).
ADDITIONAL CONSIDERATIONS BY BUILDING
ENGINEER/DESIGNER ARE REQUIRED.
This sheet is provided as a Piggyback connection
detail only. Building Designer is responsible for all
permanent bracing per standard engineering practices or
refer to BCSI for general guidance on lateral restraint
and diagonal bracing requirements.
FOR LARGE CONCENTRATED LOADS APPLIED
TO CAP TRUSS REQUIRING A VERTICAL WEB:
1) VERTICAL WEBS OF PIGGYBACK AND BASE TRUSS
MUST MATCH IN SIZE, GRADE, AND MUST LINE UP
AS SHOWN IN DETAIL.
2) ATTACH 2 x _ x 4'-0" SCAB TO EACH FACE OF
TRUSS ASSEMBLY WITH 2 ROWS OF 10d (0.131" X 3") NAILS
SPACED 4" O.C. FROM EACH FACE. (SIZE AND GRADE TO MATCH
VERTICAL WEBS OF PIGGYBACK AND BASE TRUSS.)
MINIMUM 2X4)
3) THIS CONNECTION IS ONLY VALID FOR A MAXIMUM
CONCENTRATED LOAD OF 4000 LBS (@1.15). REVIEW
BY A QUALIFIED ENGINEER IS REQUIRED FOR LOADS
GREATER THAN 4000 LBS.
4) FOR PIGGYBACK TRUSSES CARRYING GIRDER LOADS,
NUMBER OF PLYS OF PIGGYBACK TRUSS TO MATCH BASE TRUSS.
5) CONCENTRATED LOAD MUST BE APPLIED TO BOTH` r.
THE PIGGYBACK AND THE BASE TRUSS DESIGN.
r
STANDARD PIGGYBACK TRUSS ST-PIGGY-PERP.` FEBRUARY 14, 2012 CONNECTION DETAIL (PERPENDICULAR)
MITek USA, Inc. Page i of 1
R.
a 1 MAX MEAN ROOF HEIGHT = 30 FEET
BUILDING CATEGORY 11
WIND EXPOSURE B.or C
I I WIND DESIGN PER ASCE 7-98, ASCE 7-02, ASCE 7-05 100 MPH (MW FRS):
l .. WIND DESIGN. PER ASCE 7-10125 MPH (MWFAS) '
Mffek USA, Inc. DURATION -OF LOAD INCREASE {
FOR WIND LOAOS:1:60
DETAIL IS NOT APPLICABLE FOR TRUSSES
TRANSFERING DRAG LOADS (SHEAR TRUSSES).
ADDITIONAL CONSIDERATIONS BY BUILDING
ENGINEERMESIGNER ARE REQUIRED.
i
OI
PIGGY -BACK TRUSS
CROSS-SECTION VIEW)
i Refer to actual truss design drawing for
additional piggyback truss Information.
NEAR SIDE
THIS DETAIL SHALL BE ONLY USED FOR RESISTING A VERTICAL -WIND UPLIFT
UP TO 14D ILBS MAXIMUM ATEACH CONNECTION POINT. BUILDING DESIGNER;
IS RESPONSIBLE FOR THE LOAD EXCEEDING THIS LIMITATION AND/OR IN
OTHER. DIRECTIONS.
ATTACH PIGGYBACK TRUSS
TO BASE TRUSS WITH
2)-16TO.191- ED 5-) NAILS
I FAR SIDE
i
i
I
FLATTOP CHORD
OF BASE TRUSS
BASE TRUSS (SIDE VIEW)
Refer to actual tlltss design drawing
for additional base truss information.
I
NOTES FOR TOE -NAIL:
1. TOE -NAILS SHALL BE DRIVEN AT AN ANGLE OF 30 DEGREES
WITH THE MEMBER AND STARTED 1/0 THE LENGTH OF THE
NAIL FROM THE MEMBER END AS SHOWN.
2 THE END DISTANCE.,
NAILS SHALL BE SUCHCNAS TO AVOID UGENUSUAL
AND ASPIUNGTTOFING.
OF THE WOOD.
NOTES FOR TRUSS:
1. THIS DETAIL IS VALID FOR ONE -PLY PIGGYBACK TRUSS ONLY;
2. THE CHORD MEMBER OF PIGGYBACK AND SASE TRUSSES
MUST BE SOUTHERN PINE OR DOUGLAS FIR -LARCH LUMBER;
3. THE SPACING OF PIGGYBACK TRUSSES AND BASE TRUSSES
IS 2 FT OR LESS;
4. THE PIGGYBACK TRUSSES SHOULD BE PERPENDICULAR TO
BASE TRUSSES.
5. PIGGYBACK TRUSS MAY NOT CANTILEVER OVER BASE TRUSS
OR HAVE AN OVERHANG WHICH WILL CREATE A HIGHER UPLIFT
AT CONNECTING POINT.
May N, 2012 I Standard Gable End Detail I ST-GE170-SP
J
MjTek USA, Inc.
DIAGONAL BRACE
N-0" O.C. MAX
Typical 2x4 L-Brace Nailed To
2x4 Verticals W/10d Nails, 6" o.c.
Vertical Stud
Ar",%
SECTION B-B
FTRUSS GEOMETRY AND CONDITIONS
SHOWN ARE FOR ILLUSTRATION ONLY.
12
Varies to Common Truss
MiTek USA, Inc. Page 1
Vertical Stud
SP O(
4) -16d Nails ouGONAL BRACE
SPF No.21
16d Nails
Spaced 6" o.c.
2) - 10d Nails into 2x6 2X6 SP OR SPF No. 2
R
Typical Horizontal Brace
Nailed To 2x4 Verticals
w/(4)-10d Nails
SECTION A -A 2X4 SP OR SPF No. 2
SEE INDIVIDUAL MITEK ENGINEERING PROVIDE 2x4 BLOCKING BETWEEN THE FIRST
FOR DESIGN CRITERIA TWO TRUSSES AS NOTED. TOENAIL BLOCKING
TO TRUSSES WITH (2) - 10d NAILS AT EACH END.
ATTACH DIAGONAL BRACE TO BLOCKING WITH
6RRAW1NGS
5) - 10d NAILS.
3x4 .
4) - ed NAILS MINIMUM, PLYWOOD
SHEATHING TO 2x4 STD SPF BLOCK
Diagonal Bracing L-Bracing Refer
Refer to Section A -A to Section B-B
NOTE: 24" Maxl Roof Sheath
1. MINIMUM GRADE OF 42 MATERIAL IN THE TOP AND BOTTOM CHORDS.
2. CONNECTION BETWEEN BOTTOM CHORD OF GABLE END TRUSS AND
WALL TO BE PROVIDED BY PROJECT ENGINEER OR ARCHITECT.
3. BRACING SHOWN IS FOR INDIVIDUAL TRUSS ONLY. CONSULT BLDG. 1 _
ARCHITECC OR ENGINEER FOR TEMPORARY AND PERMANENT
Max. BRACING OF ROOF SYSTEM.
4. "12'BRACES SPECIFIED ARE TO BE FULL LENGTH, SPF or SP No.3
OR BETTER WITH ONE ROW OF 10d NAILS SPACED 6" O.C.
5. DIAGONAL BRACE TO BE APPROXIMATELY 45 DEGREES TO ROOF
DIAPHRAM'AT 4'-0" O.C.
6. CONSTRUCT HORIZONTAL BRACE CONNECTING A 2x6 AND A
2x4 AS SHOWN WITH 16d NAILS SPACED 6" O.C. HORIZONTAL
BRACE TO BE LOCATED AT THE MIDSPAN OF THE LONGEST GABLE STUD.
ATTACH TO VERTICAL GABLE STUDS WITH (4) 10d NAILS THROUGH 2x4.
REFER TO SECTION A -A) Diag. Brace7. GABLE STUD DEFLECTION MEETS OR EXCEEDS U240.
1/38. THIS DETAIL DOES NOT APPLY TO STRUCTURAL GABLES. at pointp
9. DO NOT USE FLAT BOTTOM CHORD GABLES NEXT TO SCISSOR if needed
TYPE TRUSSES.
10. 10d AND 16d NAILS ARE 0.131"X3.0" AND 0.131"X3.5" COMMON WIRE NAILS RESPECTIVELY.
11. SOUTHERN PINE LUMBER DESIGN VALUES ARE THOSE EFFECTIVE 06-01-12 BY SPIB/ALSC.
2 DIAGONAL
Minimum Stud Without 2x4 DIAGONAL BRACES AT
Stud Size Spacing Brace L-Brace BRACE 1/3 POINTS
Species
Maximum Stud LengthandGrade
2x4 SP No. 3 / Stud 12" O.C. 4-0-1 6-2-9 8-0-1 12-0_-2
fi2x4SPNo. 3 / Stud 16" O.C. 3-7-10 5-4-9 7-3-5 10-10-15 I
2x4 SP No. 3 / Stud 24" O.C. 3-0-3 4-4-11 6-0-6 9-0-9
2x4 SP No. 2 12" O.C. 4-2-9 6-2-9 8-2-5 12-7-12
SP No. 2 16" O.C. 7-7-14 11-5-14z_xa
2x4 SP No. 2 24" O.C.-
3_-9-15
3-4-2
5-4-2
4-4-11 6-8-5 T 10-0-7
Diagonal braces over 6'-3" require a 2x4 T-Brace attached to
one edge. Diagonal braces over 12'-6" require 2x4 I -braces
attached to both edges. Fasten T and I braces to narrow edge
of diagonal brace with 10d nails bin o.c., with 3in minimum
end distance. Brace must cover 90% of diagonal length.
T or I braces must be 2x4 SPF No. 2 or SP No. 2.
MAX MEAN ROOF HEIGHT = 30 FEET
EXPOSURE B or C -
ASCE 7-10 170 MPH I STUD DESIGN IS BASED ON COMPONENTS'AND 0
DURATION OF LOAD INCREASE: 1.60 1 CONNECTION OF BRACING IS BASED ON MWFRS.
End Wall
2) -10j X
2) - 10d NAILS
i
I
jTrusqps @ 24" o.c.
2x6 DIAGONAL BRACE SPACED
48" O.C. ATTACHED TO VERTICAL WITH
4)
6-16d NAILS, AND ATTACHED TO
BLOCKING WITH (5) -10d NAILS.
HORIZONTAL BRACE
SEE SECTION A -A)
MAY 24, 2012 I Standard Gable End Detail I ST-GE1704)-SP
5
o=
11Q
1
MiTek USA, Inc.
DIAGONAL BRACE
4'-D" O.C. MAX
Typical 2x4 L-Brace Nailed To
2x4 Verticals W/10d Nails, 6" o.c.
Vertical Stud
SECTION B-B
TRUSS GEOMETRY AND CONDITIONS
SHOWN ARE FOR ILLUSTRATION ONLY.
12
Varies to Common Truss
MiTek USA, Inc. Page 1
Vertical Stud
I4) - 16d Nails 2X6 SP OR SPF No. 2
f\ \ DIAGONAL BRACE ! i
16d Nails
Spaced 6" D.C.
2) - 10d Nails into 2x62X6 SP OR SPF No. 2 Typical
Horizontal Brace Nailed
To 2x4 Verticats CTw/(
4)-
10d Nails SECTION A -
A 2X4 SP
OR SPF No. 2 SEE INMITE
ENGINEERING PROVIDE 2X4 BLOCKING BETWEEN THE FIRST' DRAWINGS FOR DESIGN
CRITERIA TWO TRUSSES AS NOTED. TOENAIL BLOCKING TO TRUSSES WITH (
2) - 10d NAILS AT EACH END. ATTACH DIAGONAL BRACE
TO BLOCKING WITH - r--A-{I—\
Ir"
h (5) - 10d NAILS.
3x4 = 4) - 8d
NAILS
MINIMUM, PLYWOOD SHEATHING TO 2x4
STD SPF BLOCK Diagonal Bracing * * - L-
Bracing Refer Refer to Section
A -A to Section B-B NOTE: 24" Max
Roof Sheath 1. MINIMUM GRADE
OF #2 MATERIAL IN THE TOP AND BOTTOM CHORDS. 2. CONNECTION BETWEEN
BOTTOM CHORD OF GABLE END TRUSS AND WALL TO BE
PROVIDED BY PROJECT ENGINEER OR ARCHITECT. 3. BRACING SHOWN
IS FOR INDIVIDUAL TRUSS ONLY. CONSULT BLDG. 1'-t)' ARCHITECT OR ENGINEER
FOR TEMPORARY AND PERMANENT Max. BRACING OF ROOF
SYSTEM. 4. "L" BRACES
SPECIFIED ARE TO BE FULL, LENGTH, SPF or SP No.3 OR BETTER WITH
ONE ROW OF 10d NAILS SPACED 6" O.C. 5. DIAGONAL BRACE
TO BE APPROXIMATELY 45 DEGREES TO ROOF DIAPHRAM AT 4'-
0" O.C. 6. CONSTRUCT HORIZONTAL
BRACE CONNECTING A 2x6 AND A 2x4 AS SHOWN
WITH 16d NAILS SPACED 6" O.C. HORIZONTAL BRACE TO BE
LOCATED AT THE MIDSPAN OF THE LONGEST GABLE STUD. ATTACH TO VERTICAL
GABLE STUDS WITH (4) 10d NAILS THROUGH 2x4. pia Brace REFER
TO SECTIONA -A) g• 7. GABLE STUD
DEFLECTION MEETS OR EXCEEDS U240. at 1 /3 points/ 8. THIS DETAILDOESNOTAPPLYTOSTRUCTURALGABLES. If needed 9.
DO NOTUSEFLATBOTTOMCHORDGABLESNEXTTOSCISSORTYPETRUSSES. 10.
10d AND
16d NAILS ARE 0.131"X3.0" AND 0.131"X3.5" COMMON WIRE NAILS RESPECTIVELY. 11. SOUTHERN PINE
LUMBER DESIGN VALUES ARE THOSE EFFECTIVE 06-01-12 BY SPIB/ALSC. End Wall Minimum
Stud Size
Species
and Grade
Stud
Spacing Without
Brace
2x4
L-
Brace
DIAGONAL
BRACE' 2
DIAGONAL
BRACES
AT 1/
3 POINTS
Maximum Stud Length
2x4 SP No./
Stud 12" O.C. 3-9-7 5-8-8 6-11-1 _ 11-4-4 _ 3 2x4 SPNo.
3/ Stud 16" O.C. 3-4-12 4-11-15 6-9-8 10-2-3 2x4 SP No.
3 / Stud 24" O.C. 2-9-4 4-0-7 5-6-8 8-3-13 2x4 SP No.
2 12" O.C. 3-11-13 5-8-8 6-11-1 11-11-7 2x4 SP No.
2 16" O.C. 3-7-7 4-11-5 6-11-1 _ 10-10-5 _ 2x4 SP No.
2 24" O.C. 3-1-IT I'—' 4-0-7 u 6-3-
14
9-5-14 Diagonal braces over
V-3" require a 2x4 T-Brace attached to one edge. Diagonal
braces over 12'-6" require 2x4 I -braces attached to both
edges. Fasten T and I braces to narrow edge of diagonal brace
with 10d nails 616 D.C., with 31n minimum end distance. Brace
must cover 90% of diagonal length. T or I
braces must be 2x4 SPF No. 2 or SP No. 2. MAX MEAN ROOF
HEIGHT - 30 FEET EXPOSURE D - ASCE
7-10
170 MPH I STUD DESIGN IS BASED ON COMPONENTS AND C DURATION OF LOAD
INCREASE: 1.60 CONNECTION OF BRACING IS BASED ON MWFRS. 2) - 1 01
L. x 2) - 1Qd NAILS
X / 24" o.
c.
X\ 2x6 DIAGONAL
BRACE
SPACED 48" O.C.
ATTACHED TO VERTICAL WITH 4) -16d NAILS,
AND ATTACHED TO BLOCKING WITH (5) -
10d NAILS. HORIZONTAL BRACE SEE
SECTION A -
A)
FG8RUARY14'2O12:
if R
MiTek USA, Inc.
Standard Gable End Detail
ALTERNATE DIAGONAL
@ 24"O'C'
HORIZONTAL BRACE
MiTek USA, Inc. Page 2 of 2
oxuum/x unau
SEE SECTION *A) ATTACHED TO VERTICALWITH u
RnofShoathing--i \
TTACHEDMMONB[OCk G-l0d COMMONS.
IT IS THE RESPONSIBILITY OF THE BLDG DESIGNER OR
THE PROJECT ENGINEERIARCHTECT TO DESIGN THE
NAIL DIAGONAL BRACETC,
PURLIN WITH TWO 16d NAILS
CEILING DIAPHRAGM AND ITS ATTACHMENT TO THE fl
TRUSSES roRESIST ALL OUT opPLANE LOADS THAT | MAY RESULT
FROM THE BRACING orTHE GABLE ENDS2X 4 PURLIN FASTENED TO FOUR TRUSSES f'`;'`'~^~` { ' »0 D
g Brace. `
at /3 .-SUPPORTING
THE BRACE AND THE TWO TRUSSES needed ON EITHER
SIDE AS NOTED. TOENAIL BLOCKING mmuuuEuwvnw,mmu^mEACH
em ' m^oxomeowALBRACE ToBLOCKING WITH
i 1 n m wxnsw u . 2. EndVVaU ; / CEILINGSHEATHING! BRACING REQUIREMENTS
FORSTRUCTURALGABLE
TRUSSES | arnborun*
LGABLE TRUSSES MAY os ----------'---'-------' -----------'`STRUCTURAL
RACED AS NOTED: METHOD : ATTACH xMATCHING GABLETRUSSroTHEINSIDE `
J ` . `, o*a[E TRUSS FACE OF THE STRUCTURAL GABLE AND FASTEN PER THE
FOLLOWING NAILING SCHEDULE. METHOD 2: ATTACH 2X SCABS TO
THE FACE OF
EACH VERTICAL SCAB ALONG MEMBER ON THE STRUCTURAL GABLE PER THE FOLLOWING NAILINGSCHEDULE. SCABS ARE TO BE OF THE SAME
SIZE, GRADE VERTICAL AND SPECIES AS THE TRUSS VERTICALS NAILING SCHEDULE: wwoupssou |
pon wpx uswasnown*owsROW or ou
u x
mmLoopAosoO.C.
ponWmoopesouansxrsn 120 mpx mp* MEMBERS wnnnWoROWS op1oauorxulNAILS oPAc C.px4anUDuMINIMUM)
MAX IMUM STUD LENGTHS
ARE LISTED ON PAGE 1. ALL BRACING METHODS SHOWN
ON PAGE 1 ARE VALID AND ARE TO BE
FASTENED TO THE SCABS OR INLAYED STUD VERTICAL
STUDS OF THE STANDARD GABLE TRUSS ON THE INTERIOR SIDE OF THE
STRUCTURE. b, AN ADEQUATE DIAPHRAGM OR OTHER
METHOD OF BRACING MUST GABLE TRUSS BE
PRESENT
TO PROVIDE FULL LATERAL SUPPORT OF THE BOTTOM ir
CHORD TO RESIST ALL OUT OF PLANE LOADS. THE BRACING SHOWN INTHISDETAILISFORTHEVERTICAUSTUDSONLY. STRUCTURAL GABLES WITH INLAYED STUDS.
TRUSSES WITHOUT .INLAYED STUDS ARE NOT ADDRESSED *sns
STANDARD GABLE TRUSS
March 4, 2013 I BEARING BLOCK DETAIL ST-BLCK1 a
R REFER TO INDIVIDUAL TRUSS DESIGN MiTek USA, Inc. Page 1 of 1
FOR PLATE SIZES AND LUMBER GRADES
0 0o IMPORTANTO00
I This detail to,be used only with one ply trusses
y L-LID with a D.O.L.; lumber increase of 1 A 5 or higher.
MiTek USA, Inc. Trusses not fitting these criteria should be examined individually.
0-3-8 ACTUAL BEARING SIZE
BOTTOM CHORD SIZE
AND
NAILING PATTERN
LUMBER
GRADE
ALLOWABLE
REACTION
Ib) *
BEARING BLOCK
ALLOWABLE LOADS
BEARING BLOCK & WOOD BEARING ALLOWABLE LOADS '
ALLOWABLE LOAD (Ib) TOTAL EQUIVALENT BEARING LENGTH
SP 2966 975 3941 0-4-10
2 BOTTOM CHORD
2Rows @ 3" O.C. DF 3281 892 4173 0-4-7 - 8
TOTAL NAILS) HF 2126 772 2898 0-4-12 SPF
2231 754 2985 0-4-11 SP
2966• 1462 4428 0-5-3 2x6
BOTTOM CHORD DF 3281 1338 4619 0-4-14 3
ROWS @ 3" O.C. HF 2126 1159 3285 0-5-6 12
TOTAL NAILS) SPF
2231 1131 3362 0-5-4 SP
2966 1950 0-5-12 2x8
BOTTOM CHORD DF 3281 1784 4916
5065
4
ROWS @ 3" O.C. 16
TOTAL NAILS) HF 2126- 1545 3671 0-6-0 ' SPF
2231 1508 1 3739 0-5-13 4"
MINIMUM HEEL
HEIGHT I BHG
BLUUK,I U BL SAML 12'
BLOCK SIZE, GRADE, & SPECIES AS
EXISTING BOTTOM CHORD. APPLY
TO ONE FACE OF TRUSS. NOTES:-
1.
USE LOWER OF TOP PLATE 08 TRUSS WOOD SPECIES. 2.
THE END DISTANCE, EDGE DISTANCE, AND SPACING OF NAILS SHALL BE SUCH AS
TO AVOID UNUSUAL SPLITTING OF THE WOOD, 3.
NAILS DESIGNATED ARE 10d (A 31' DIAM. x 3") FOR
BEARINGS NOT NEARER THAN 3" TO THE END OF
A MEMBER (CASE 2), THESE VALUES MAY BE MULTIPLIED
BY A BEARING FACTOR OF 1.10 LOADS
BASED ON FOLLOWING Fc PERPENDICULAR VALUES: SP =
565 psi DF =
625 psi HF =
405 psi SPF =
425 psi NOTE:
VALUES DO NOT INCLUDE MSR LUMBER WITH "E" VALUES GREATER
THAN 1,900,000 PSI OR NON -DENSE GRADE LUMBER. 12'
BLOCK C%
March 4, 2013 BEARING BLOCK DETAIL ST-BLCK2
I
1 O
MiTek USA, Inc. Page 1 of 1
REFER TO INDIVIDUAL TRUSS DESIGN
E-villo FOR PLATE SIZES AND LUMBER GRADES
0 00 IMPORTANT
j This detail to be used only with one ply trusses
L Vr I with a D.O.L. lumber increase of 1.15 or higher.
MiTek USA, Inc. Trusses not fitting these criteria should be examined individually.
0-5-8 ACTUAL BEARING SIZE
BOTTOM CHORD SIZE
AND
NAILING PATTERN
LUMBER
GRADE
ALLOWABLE
Ib))ACTION
i
BEARING BLOCK
ALLOWABLE LOADS
BEARING BLOCK & WOOD BEARING ALLOWABLE LOADS
ALLOWABLE LOAD (Ib) TOTAL EQUIVALENT BEARING LENGTH
SP 4661 975 5636 0-6-10
2z4 BOTTOM CHORD
2 ROWS @ 3" O.C. DF 5156 892 6048 0-6-7
8 TOTAL NAILS) HF 3341 772 4113 0-6-12
SPF 3506 754 4260 0-6-11 ^
SP 4661 1462 6123 0-7-3
2x6 BOTTOM CHORD DF 5156 1338 6494 0-6-15
3 ROWS @ 3" O.C. HF 3341 1159 4500 0-7-6
12 TOTAL NAILS)
SPF 3506 1131 4637 0-7-4
SP 1950 0-7-12__
2x8 IJOTTOM CHORD DF
4661 _
5156 1784
6611
6940 0-7-6
4 ROWS @ 3" O.C.
16 TOTAL NAILS) HF 3341 1545 4886 • 0-8-0
SPF 3506 1508 5014 1 0-7-14
4" MINIMUM T
HEEL HEIGHT 1
11
UK TO 6E SAME
ADE, & SPECIES
ING BOTTOM CHORD.
0 ONE FACE OF TRUSS.
NOTES:
1. USE LOWER OF TOP PLATE OR TRUSS WOOD SPECIES.
23HE END DISTANCE, EDGE DISTANCE, AND SPACING OF NAILS SHALL BE SUCH
AS TO AVOIU UNUSUAL SPLITTING OF THE WOOD.
3. NAILS DESIGNATED ARE 10d (.131" DIAM. x 3")
FOR BEARINGS NOT NEARER THAN 3" TO THE END
OF A MEMBER (CASE 2), THESE VALUES MAY BE
MULTIPLIED BY A BEARING FACTOR OF 1.03
12' BLOCK
LOADS BASED ON FOLLOWING Fc PERPENDICULAR VALUES:
SP = 565 psi
DF = 625 psi
HF = 405 psi
SPF = 425 psi
NOTE: VALUES DO NOT INCLUDE MSR LUMBER WITH "E" VALUES
GREATER THAN 1,900,000 PSI OR NON -DENSE GRADE LUMBER. + .