HomeMy WebLinkAboutMiscellaneous - Exception (568)2 x x 6'-0" SIZE TO MATCH
TOP CHORD OF PIGGYBACK.
ATTACHED TO ONE FACE OF.TOP
CHORD WITH 2 ROWS OF 1 O NAILS
SPACED 6" O.C. AND STAGGERED
ra,
STANDARD PIGGYBACK I ST -PIGGY
TRUSS CONNECTION DETAIL
PIGGYBACK TRUSS
ATTACH PIGGYBACK TRUSS
TO EACH PURLIN WITH.
2 -16d NAILS TQENAILED.
ATTACH EACH PURLIN TO
JCHORD OF BASE TRUSS
2 16d NAILS.
MiTek Industries, Inc.
DECEMBER 2, 2002
Page 1 of 1
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BASE TRUSS ?� �►.••'' ''••.'�•.
SPACE PURLINS ACCORDING TO THE MAXIMUM
SPACING ON THE TOP CHORD OF THE BASE
TRUSS (SPACING NOT TO EXCEED 24" O.C.).
ATTACH EACH PURLIN TO TOP CHORD OF
BASE TRUSS WITH 2 - 16d NAILS.
FOR PIGGY BACK TRUSSES WITH SPANS < 12'
SCAB MAY BE OMMITED PROVIDED THAT:
ROOF SHEATHING TO BE CONTINUOUS OVER JOINT
(SHEATHING TO OVERLAP MINIMUM 12" OVER JOINT)
d
STEPHEN W.
4 r
~ s
CABLER a it
i
4850
NOTE: P�iAQjt`�'• _ ti�`0`
A PURLIN TO BE LOCATEKA
AT EACH BASE TRUSS O f�4�� �QNA�.t+
NiS�ltl
AS
IF NO GAP CAP TRUSS DUSBSETSE TRUSS: I
BOF
HA&, ,,?4A
��•.•••..•
CAPE TRUSS TO PURLINS WITH GEN
REPLACE TOE NAILING
���•��``
`a siyl
AS SHOWN, AND APPLY PURLINS TO LOWER EDGE OF BASE
ABOVE.
a Q ��•
TRUSS TOP CHORD AT RECOMENDEO SPACING SHOWN
m !� � ��,� � •;
•*°
'•isF� '^°••° '`• +�sC�°.``
6"x 6" x 1/2" PLYWOOD (or 7/16" OSB)
GUSSET EACH SIDE AT
`�Q ., ��
4= y
S Q`�, rp r�
VERTICAL WEB TO 2) VERTICAL WEBS OF PIGGYBACK MUST RUN THROL IGH—
EACH BASE TRUSS JOINT.
r
• G C� trJ
ro
&TEN- -N W. CABLE8
ATTACH WITH 3 - 6d NAILS
�►'�
O ? o
Y• �0' <v G a
3) CONCENTRATED LOAD MUST BE APPLIED
INTO EACH CHORD FROM
EACH SIDE TOTAL - 12 NAILS
If. a
R
F�"a..• •
N�� fib°
,tea+a ���� S�G
TRUSS ASSEMBLY WITH 2 ROWS OF 10d NAILS AT
MATCH
��° O� ° a.o.° `I, \��/'.,
�✓tib 'r:� �•., • i ,�,
,.+los
�
�•��.'
FOR LARGE CONCENTRATED LOADS APPLIED
ew ?�,
TO CAP TRUSS REQUIRING A VERTICAL WEB.;.T
-,7
1 VERTICAL WEBS OF PIGGYBACK AND BASE TRUSS
o •° ka.
i"pih °•°°•j��El c,���,•" ?�`
MUST MATCH IN SIZE, GRADE, AND MUST LINE UP
'•isF� '^°••° '`• +�sC�°.``
AS SHOWN IN DETAIL.
VERTICAL WEB TO 2) VERTICAL WEBS OF PIGGYBACK MUST RUN THROL IGH—
a
EXTEND THROUGH BOTTOM CHORD SO THAT THERE IS FULL WOOD I
BOTTOM CHORD,TO WOOD CONTACT BETWEEN WEB OF PIGGYBAC
&TEN- -N W. CABLE8
OF PIGGYBACK
AND THE TOP CHORD OF THE BASE TRUSS.
3) CONCENTRATED LOAD MUST BE APPLIED
TO BOTH THE PIGGYBACK AND THE BASE TRUSS.
4) ATTACH 2 x _ x 6'-0" SCAB TO EACH FACE OF
TRUSS ASSEMBLY WITH 2 ROWS OF 10d NAILS AT
MATCH
-' J{�j
3" O.C. STAGGERED. (SIZEAND GRADE TO
�
VERTICAL WEBS OF PIGGYBACK AND BASE TRUSS.
IS ONLY VALID FOR A MAXIMUM
,5)
S1 isCONCENTRATED
THIS CONNECTION ,
LOAD OF 3700 LBS (Qa1.15). REVIEBY
A QUALIFIED ENGINEER IS REQUIRED FOR LOA
�` IGREATER
THAN 3700 LBS.toFESsiOt
A WARNING - VerVy design parameters and READ NOTES ON TBIS AND REYF.R= SIDE BEFORE USE.
and is for an Individual building component
s� sa e
to be
Design valid for use only with MITek connectors. This design is based only upon parameters shown,
Installed and loaded verticaly. ApplicablittY of design parameters and proper incorporation of component is tesponsibilly of building designer - not truss
bracing to insure stability during construct on is the
designer. &acing shown is for lateral support of Individual web members only. Additional temporary
responsibility of the erecta. Acidltlonal permanent fixing of the overat structure is the iesponsibNty of the building designer. For general guidance
CST-ee Cuailty Standard, D31•e9 gracing Specification, and HIS -91 e
M iTe
recording labricatlon, quality control, storage, delivery, erection and bracing, comull
.. q ■nacho Recommendation avaYm able froTruss Plate Institute, 593 D'Onohlo Drive, Madison, W153719.