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4.0.1 ADAMS COMPANY ENGINEEPING ANDERSON, ULIFORNIA 96007
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NA' FOR SPAN 30'- 0' OR LESS MINIMUM LUMBER TOP CHORDw2X:4 DOUG FIR -LAR 01 BOTTOM CHORD-2XA DOUG FIR -LAR 01
JOINT An 3.IX 0.4 JOINT Alnl43X IoB JOINT 2w3.2X 3.6 ALL WEBSw2X 4 DOUG FIR�LAR STD
JOINT CI=2*AX 7s2 NO BRACED WEDS 'I
JOIN! D-4oU 3.6 JOIN! Ew3#,2X 3o6 THE MINIMOM 991ARING- 3�5 INCHES
------------------------------------------------------ -------------------------------------- 7 --------- --------
FOR SPAN 27-,0* OR LESS MINIMUM, LUMBER TOP CHORD -2k 4 DOUG FIR -LAR 01 BOTTOM CHOROP-2X 6 DOUG FrR�LAR '01
JOINT A- 4.3X�3.6 JOINT Ail-t.3X 1.8 JOINT 13�*3.2X 3.6 ALL WEBSw2'X 4 DOUG FIR -LAR STD
JOINT Clm2.dX 742 NO BRACED WEBS
JOINT Dm4q5X 3.6 JOINT E -3.2X 3.6 THE MINIMUM BEARING- 3,5 INCHES
e --'FOR SPAN 24-- 0' OR LESS MINIMUM LUMBER TOP CHORD42&J�OUG 1,�� A 64 J)O.T.T.OM,,CHORDm2X,--i�,,DOUCi�,..,F-
J
JOINT Am 4.-5X 3.6 JOINT At -1.3X 1.8 JOINT ALL WEBSw7X 4 DOUG FIR LAP STD
140
JOINT Cl-2.1AX 7--2 B kAZWOU
JOINT Dw3,.2X 3.6 JOINT E*3.2X 3.6 THE MINIMUM DEARINOm 3,5 INCHES
FOR SPAN 22e- 0' OR LESS MINIMUM LUMBER TOP CHORDw2X 4 DOUG FIR"LAR #I BQTTOM,,C.HORDI-2 X 4 DOUG FiR-LAR 01
rJOINT A- 3.2X 3,6 JOINT Alml.3X 148 JOINT Bw4.2X 3.6 '. ALL WEBSm2X 4 DOUG FIR -LAR STD
JOINT CI -2.6X 7.2 NO BRACED WEBS 0
JOINT b-�.2X 3.6 JOINT E -3,2X 3.6 THE MINIHIUMBEARINda, 3.5 INCHES
--------------------------------------------------------------------------------------------------------------- I -------
FOR SPAN 221- 01 OR LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIR -LAR #1 BOTTOM CHORD -2X 4 DOUG FIR -LAR I01
JOINT An 3q2Xl 3o6 JOINT Ai -1.3X I'te: JOINT 603-2X 3.6 ALL WEBS -2X 4 DOUG FIR -LAR STD
JOINT Cl -2 -AX 7.2 NO BRACED WEDS
JOINT D -3-2X liA JOINT E -3,2X 3.6 THE MINIMUM BEARING= 3s5 INCHES
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FOR SPAN 20"- 0' OR LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIR -LAP #1 BOTTOM CHORD42X 4 DOUG FIR -LAR #"I
JOINT An 3.2X 3,td JOINT Al-�l.!X 1.0 JOINT B -3.2X 3o6 -2X: 4 DOUG Flk-LAR SID
ALL WEDS
JOINT Cl-2*6X. 742 NO BRACED WE68
JOINT DiO3�.2X 3.6 JOINT'Ew3.2X 3.6 THE MINIMUM BEARrNOw 3.5 INCHES
--------------------- I
-------------------------------------- ------------------------------- ----------- --- -----------
FOR SPAN 18'- 0' 00 LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIP-LAR 01 BOTTOM CHORD -2X 4 DO I UG FIR -LAR 01
'JOINT A- 2s4X 3.6 JOINT At-lo3X 168 JOINT B -3.2X 3.6 ALL WEBS -2X i DOUG FIR -LAR SID
JOINT CIII 1.2 NO IRRACEII WEDS
JO 1 NT D-3ol2k 3,6 J01NT Em3,2X 3.6 THE HI'N,IHUH BEARING- 3,6 INCHES
---------------------------------------------------------------------- ----------------- ------
FOR SPAW 14'- 04 OR,LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIR -LAR 41 BOTTOM CHORD -2X 4 DOUG FIR -LAR #1
JOINT A- 2s6X 3.6 J61NT Almlo3X lo8 JOINT 0-3.2X 3oA ALL WEB5-2X A DOUG FIR -LAR STO
JOINT C102.
6X 712 NO BRACED�WEDS
J61NT D -3.2X 3,6 16INT E-i3.2X 3.6 THE MINIMUM BEARING- 3.5 INCHES
------------------------------------------------- -------------------------------------------------- -------- --------
FOR SPAN 14'- O� OR LESS MINIMUM LUMBER TOP CHORDw2X 4 DOUG FIR -LAR 01 BOTTOM CHORD -2X 4 DOUG FIR -LAR 41
JOINT A a 2.6X 3iI6 JOINT Atal.3X 1.8 JOINT JR -3#2X 3o6 ALL WEBS -2X 4 DOUG FIR -LAR STO
JOINT Cl -2.6X 7.2 NO BRACED WEBS
JOINT 01111 3.6 JOINT E -3.2X 1,6 THE MINIMUM BEARING- 3.5 INCHES
------------------------------------ ------------------------------------------------------ I --- ----------------
THE BEST RESULTS IN TRUSS FABRICATION ARE OBTAINED WITH A MECHANICAL JIG THAT ELIMINAT I ES HARMFUL STRESSES CAUSED
BY HANDLINGi LACKING SUCH,A JIG, GREATER CARE MUST ll� EXFRCISED IN HANDLING THE TRUSS OR LARGER CONNECTOR PLATES
SH04LD BE SUBSTITUTEDi J.D.ADAMS CO. BEARS NO. RESPONSIBILITY FORITHE ERECTION OF TRUSSES. PERSONS USING TRUSSES
ARE CAUTIONED TO SEEK PROFESSIONAL ADVICE IN REGARD TO ERECTION BRACING AND PERHANENT BRACINGa ALL,JOINTS MUST
BE ACCURATELY CUTAND FIT, 'DIMENSIONS MUST BE VEROIEDo ALL PLATES CENTERED UNLESS SHOWN OTHEOQISC. PLATES ARE
MINIMUM BASED ON STRESSES. FABRICATOR MAY F114D FROM EXPERIENCE THAT SOME JOINTS MIGHT REQUIRE LARGER PLATES FOR
HANDLING. ALL CONTINUOUS BRACING ON WEBS AND CHORDS To' BE ANCHORED AT BOTH ENDS TO A SUITABLE SUPPORT.
(ALL BRACING TO BE SUPPLIED BY OTHERS-) ALL WEDS 2X4 UNLESS OTHERWISE,SPECIFIED.
HULTISPIKE #(BY J,.Do ADAMS COO SHALL BE MADE OF 20 GAGE STEEL AND PRESSED IAfO BOTH FACES OF JOINTS-
--------------- ---------------- ------
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MULTIPLY SPAN BY FACTORS BELOW FOR STRESSES RUSS LOADING
ROOF
A-4,10 71453(C) Al -B- 53i6b(C) A -Cl- 67.8,6(T) LLx 16,00 PSF
Al-Clo 118611(Cl CI -0- DLw 'V.OV *PST -
CEILING;,
FOR ALL BRACED WEBSP USE A iX4 CONTINUOUS BRACE LLO OiOO PSF
FOR.A MINIMUM BEARING GREATER THA14 3 1/2' BUT NOT EXCEEDING 7' DLi- i0.66 PSF
ADD ONE BEARING BLOCK X INCREASE FOR STLx-15
REOUIRED NAILS ON BEARING BLOCK-(MIN.DR0o-1.5)X 6.14 �l SPACED AT 24'0o.Co
ll��. PAGE 7
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IS00 '�.o, Barney Street
J. D,. AVOMS COMPANY CmallNegol"a
ANDERSON, CALIFORNIA 96007
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FOR SPAN 45'- *o OR LEGS- �IuNlmum LUMBER TOP - CHORDw,2X 6 DOUG FIR -LAR 01. ROTTOM CHORD -2X & DOUG FIR�LAR .01
JOINT Aow 3.9X 7i2 JOINT Almi.34 t.8 JOINT 2-4.5X 3.6 ALL wEvsw2x� 4 DOUG FIR -LAR SID
JOINT C2-4 ' 5X 3.6 BRACED WEDS C2-9
JOINT, - Dw4�SX 346 JOINT Ew4.5X 3.6 THE MINIMUM' BEARING= 3.5 INCHES
----------------------------------------------------------------- I ---------- -------- 7 ------- �-7 ----------------------
FOR SPAN, 421- 2' OR LEGS. MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 41 BOTTOM CHORDw2X 6 DOUG FIR -LAR 01
JOINT A= 3.,9X 7.2 JOINT Alwil,,3)( 1.9 JOINT 0=44X 3.6 ALL WEBS02X A tWO.FIR-LAR SID
JOIN! C2 -4.5k 3-6 NO BRACED WEBS
JOINT D-4459 3.6 JOINT E -4.5X 3.6 THE MINIMUM BEARING- 3.5 INCHES
----------------------------------------- ----------------------------------------------------------------------
FOR SPAN 39'� 4' OR LESS MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 01 BOTTOM CHGRD-02X 6�DOUG FIR -LAR 01
JOINT As 3.2X 7.2 ' JOINT Aiml.3X, 1,VJOINT B -4,5X 3.6 ALL WEBMr214 4 DOUG PIR-ILAR SID
JOINT C2 -2,6X 5*4 NO BRACED WEBS
JOINT D -4.5X 1#4 JOINT E -4.5X 3,6 THE MINIMUM BEARINGO 345 INCHES
------------- * ------------------------------- ---------- ---------------------------------------------------------------
FOR SPAN 36'- 6' OR LESI MI0IMUk LUMBER TOP CHORD -2X 4 DOUG FIR -LAR SS BOTTOM CHORDw2X�6 DOUG FIR -LAR 01
JOINT As 3.4X 5.4 JOINT AIwl.3X 1.0 J0114T B"3.2X 346 ALL WC66-2X 4 DOUG FIR -LAR STV
JOINT C2wli2X 3.6 No BkACED WEDS
JOINT Dm4.5X 3.6 JOINT, EwS.2X 3.6 1 HE MINIMON �,)EARING- 3.3 INCHES
---------- -------------- ----------------------------------- --------------------- ------
-------------------- 7
FOR SPAN 36'- 0' OR LESS MINIMUM LUMBER TOP CHORD -2X 4 DOU13 FIR -LAR SS :AOTTOM CHORD -2X 4 DOUG FIR -LAP 01
JOINT An 3 , 9X 5 . 4 JOINT Al -1.3X 1.6 JOINT B -3.2X 3.6 AILLUEBS 2.X 4 DOUG FIR -.LAP SID
JOINT C2-3o,2X 3#6 Nb DRAICED WEDS
JOINT 0-3.2X 3.4 JOINT E-j.,2X 3i6 T114E MINI14UM BEARING- 3.5 INCHES
----------------------------- .......................... -----------------------------------------------
FOR SPAN 35- 1' OR LESS 14INIMUM LUMBER TOP CHORD -2X 4 DOUG FIR -LAR 401 BOTTOM cHORV-2X 4 DOUG FIR -LAP 01
JOINT Aoo 3.9X 5.4 JOrNT Almot-ax 1,8 JOINT 0*3.2X 3.6 ALL WEBS -2X 4 DOUG FIR -LAR SID
JOINT C2wl.2x 3.14 NO DRACED VEDS
j')INT D -3,2X 3i6 JOINT E -34,2X 3o6 THE MINIiIUM DEARING- 3.5 INCHES
---------------------------------------- --------------------------------------------
FOR SPAN 331- 1' OR LESS MINIMUM LUMBER TOP CHORD 2X 4 DOUG FIR -LAR 01 BOTTOM CHORD -2X 4 DOUG FIR -LAR 4t
JOINT A- 1,9,N� -5,4 JdTNT AI-I.3X 1.8 JOINT 0-3.2X 3s6 ALL WEBS -IX i DOUG FtR-LAR Sri,
JOINT C21 -34X 5,4 NO BRACED, WEDS
JOINT D43.2X 3.6 JOINT E-i3.*2X 3.6 T iiE MINIMUM BEARING- 3,5 INCHES
------------------------------------- ------ I ------------------- ---------------- I ------- -1 ------
FOR SPAN 31j- I' OR LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIR -LAR 01 BOTrPH Ct!dRb-2X 4 noud rip iAN #i
JOINT A- 3.,2X 5.4 JOINT Ai -'I,3*' 1.8 JOINT B -3.2X 346 ALi WEDS -2X 4 DOUG FIR LAP �i,10
jOINT,C2w2,6X 3,6 NO PRACED'WEDS
JOINT D=3.2X 3t6 JOTNT E -13.2X 3,6 THE MINIMUM PtARINO- 3#5 INCHE5
- ---------- ---------------------------------------------------- w -----------------------------
FOR SPAN 31'- 1' OR LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIR-LAk 01 uoTlom cHoRti-2x 4 'DOUG FIR-LAk 01
JOINT Au 3.2X 5o4 JOINT AI-i,3X 1.0 JOINT 9-3.2X 3.6 ALL WEBSw2X 4 DOUG FIR -LAP SID
NO BRACED WEBS
JOINT C2 -2,6X 3.6
JOINT V -3.2X 3q6 JOINT E-3j2X 3tA 'THL MINIMUM DtARINGm 3-5 IN(dAL5,
SPAN 29- 1' OR LESS MINIMUM LUMDER TOP CHORD -2X 4 DOUG FIR -LAR #1
JOINT A 3 :1, X 5 4 J 0 1 N T A 1 1 .3)< 1 R J 0 1 N'T B - 3 ALL WEDSw2X 4 DOUG Fl§;��.A
!_>�JO I N I C2 -2.6x 3.6 a WAelf
JOINT D -342X 3.6 JOINT C -3.2X 3i6 THE MINIMUM BEARING" 3-5 INCHES
THE BEST RESULTS IN TRUSS FABRICATION ARE OBTAINED WITH A MECHANICAL JIG THAT ELIMINATES, HARMFUL STRESSH-d'AUSED
BYi�HANDLiNo* LACKING SUCH A JIGv GREATER CARE 14UST BE'EXERCISEb IN HANDLING THE TRUSS OR LARDER CONNECTOR PLAIES
SHOULD bE SUBSTITUTEI)k jsD4ADAMS CO, BEARS NO RESPONSIBILITY FOR T HE ERECTION OF TRUSSES. PERSONS USING TRUSSES
ARE CAUTIONED TO SCEk PROFESSIONAL ADVICE IN REGARD TO ERECT I ION BRACING AND PERMANENT BRACINO- ALL JOINTS mosy
BE ACCURATELY CUT AND FIT4 DIMENSIONS MUST ME VtRIFIED, Au PLATES CENTERED UNLESS SHOWN OTHERWISE. PLAIES ARE
MINIMUM BASED ON STRESSESo FABRICATOR MAY FIND FROM EXPERIENCE THAT SOME JOINTS MIGHT REGUIRE LARGER PLATES FOR
HANDLING- ALL CONTINUOUS SPACING ON WEBS AND CHORDS TO BE ANCHORED AT BOTH ENDS TO A SUITABLE SlJPPORT#
(ALL BRACING TO BE SUPPLIED BY OTHERS#) ALL WEDS 2X4 UNLESS OTHERWISE SPECIFIEDi
MULTISPIKE 4(BY J,D.. ADAMS CO,) SHALL BE MADE OF 20 GAGE STEEL AND PRESSED Wd BOTH FACES OF JOINTS.
- -----------------------------------
MULTIPLY SPA`N BY FACTORS BELOW FOR STRESSES �ITkRS LOADING
POOP
A-Als, 78-53(C) Al- I SO 69,20(C)v!A"C2oo 74i�50(T) C2-C,l- 50.24(T) I LL- 10-00 PSI'
P
A'l-C2x l2a8l(t) C�-Dft 22.06(T) DL- 9,00 , !F
CEILING
P9P
FOR ALLBRACED WEBSt USE A IX4 CONTINUOUS BRACE LL- 0.00
FOR A MLINIMUM BEARING GREATER THAN 3 1/2' 9UTjNOT EXCEEDING 7' 1 DL- l0o0O PSF
ADD ONE DEARING BLOCK I X INCREASE Pao STLwI5
REQUIRED NAILS ON BEARING BLGCK*(MXN.BRG,-345)X 6.14 1 SPACED AT 24"O.C.
PAGt it
---------------
---------------- --------- -----------------
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J. D. A DA NIS COJIPANY
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COLORADO SPRINGS, COLORADO
COPYRIGHT 1978
J,D, Adams Co. bears no responsibility for the erection
of trusses. Persons using trusses are cautioned to
seeK professional advice in regard to erection bracing
arid permanent bracing.
a 111 n g pattern, Double trusses shall 'be nailed
toget 3r with 10d nails (s.tagg,ered) both top and bot-
tom chords (triple, and quadrupled trusses nailed from
both sideswfth 20d nails staggered) using the follow -
Ing formula:
I
Length of trusses supported No. of nails
4 per toot
THIS TRUSS DESIGN INGORPORATES
THE LUMBER $TRESS ALLOWABLES
THAT BECAME EFFECTIVE DEC.
�gjl L 1 1977.
SEE OPPOSITE PAGE FOR PLATE SIZES
AND LOCATIONS
PLF ON BOTTOM CHORD
HEM F I R
QTOP CHORD LUME31113
BOTTOM CHORD LUMBER HEM FIR
EBS H EM �F I R #2 OR BET. 1000f 2 x 6
lot HOP
MEMBER
n
9
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2xI0
I GIRDER
2 GIRDERS
3 GIRDERS
4 GIRDERS
�I3. C,
MAX,SPAN
TYPE
PLATES
MAX, SPAN
TYPE
P L AT FES,
MAX, SPAN
TYPE
PLATES
MAX. SPAN
T Yr P F,.
PLAT
S 11;
201-7"
MK
C
31 _O"
DMK1
B
39 _/.9r-�,;�-�`-_"
TMK
8
0`18'- 3"
_DMK
C
19, - 1011
MK
C
SS
n
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DMK
B
-3�8 7
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led
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DMK
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36 -2/1
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18,;
MK
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251
DMK
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MK
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301-6"
D K
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B
451 10"
TMK
B
1
12'-0"
MK
C
20' -4"
3�'�6
M K
—M K
C
C
-
3 1 -6"
2,11
DMK
C
42' -6"
TM K
_Q
MK
—C-29
5 f,
1-5f,
-5"
DMK
C
2 x 12�-
I GIRDER
2 GIRDERS
3 GIRDERS
4 GIRDERS
B. C.
MAX71 APAN7-Z.
J�PE
PLATES
MAX, SPAN
TYPE
PLATES
MAX. TYPE
PLATES
MAX, SPAN
TYPE
PLAT
CQ
0
SS
t,,26 7
DMK
B
39'-7"_, K
261-8" M'k
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0
34f -3"
DMK
C
# 2
24'- 2"
DMK
C
SS
17'-21"
MK
B
32,-511
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B
#1
21 ',-1,0:`
M K
C
33'-0"'
�DMK
C
1 4,3111 - 11 0
TMK
#2
22, - 10"
_MK
C
30'-4
iD M K�-
C
CQ
SS
191-41"
3-9,- 1 1
TMK
B
0
Ln
_;PW
#
r4'"
MK
C
—
27f -I"
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DMK
M K
C
C
401-5"
-'-:—
I 28 0"
TMK
TM _KFC
C
TMKI
C
COLORADO SPRINGS, COLORADO
COPYRIGHT 1978
J,D, Adams Co. bears no responsibility for the erection
of trusses. Persons using trusses are cautioned to
seeK professional advice in regard to erection bracing
arid permanent bracing.
a 111 n g pattern, Double trusses shall 'be nailed
toget 3r with 10d nails (s.tagg,ered) both top and bot-
tom chords (triple, and quadrupled trusses nailed from
both sideswfth 20d nails staggered) using the follow -
Ing formula:
I
Length of trusses supported No. of nails
4 per toot
THIS TRUSS DESIGN INGORPORATES
THE LUMBER $TRESS ALLOWABLES
THAT BECAME EFFECTIVE DEC.
�gjl L 1 1977.
SEE OPPOSITE PAGE FOR PLATE SIZES
AND LOCATIONS
PLF ON BOTTOM CHORD
HEM F I R
QTOP CHORD LUME31113
BOTTOM CHORD LUMBER HEM FIR
EBS H EM �F I R #2 OR BET. 1000f 2 x 6
lot HOP
MEMBER
n
9
L I,'-- 01W'�