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J.D. ADAMS C0"P
ANY ENGINEERING
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F I OR SPAN 60f- of, OR LE96 MINIMUM LUMBER TOP C409D-2X 6 DOUG FIR -LAR #1 BOTTOM CHORD02X 6 DOUG FIR
ALL WEBt-2X 4 DOUG FIR -LAR STO
jol"I Am A.SX10.6 JOINT 41,-'.3X. I -Pr JOINT A203,21X, 3#6 JOINT Bw3.2X 5.4 BRACED WEDS A2-C2y
JOINT C3 -3.2X'3#6 JOINT C2 -3142X 7,2 THE MINIMUM 'BEARING* 3-5 INCHES
JOTNT 0=5.SX 15.41 JOINT Em4o5g '396 ---------------------- -----------------------------------
-------------------- --------------
w2X 6 DOUG FIR -LAR 01
MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 01 BOTTOKCHORD
FOR SPAN 55'- 5* OR LESS 'ALL WEBS02X 4 DOUG, FIR -LAR STD
ITAI-1.3X 1.8 MINT A2 -3.2X 1-6 JOINT B-m3.2X 5.4
JOINT 'Am 3 , 9X 96o jalk
JOINT 0=3.2* 1.6 J61RT C2 -2,6X 7#2 BRACED WEDS A2-C2t
THE MIN*MU" BEARING= 3.5 INCHES
JOINT Dw5iU 5*4 JOINT E=4.59 3.6 ----------------------------------- : -----------------
......... ..... �, ..... -....f ... ...
j OUG FIR -LAR 61
FOR SPAN SO.-witl' OR LESS; HIffIMUM LUMOER TOP CHORDA2X 4 DOUG FiR-LAR #1 BOITOM CHPRD-2X 6 D
ALL 9EBSvi2X4 DOUG FM -LAR STD
JOINT -";3r z . -im 0RACED.WEBSA2-C2v,
'a'
C242,6X 7 2
JOINT C X*. 06 J THE MINIMUM BEARING- 3.5 INCHES
JOINT DIF4-5X St4 JOIN� t -4.5x 3.6
--------------------------------------------------
--------------------------------------------- DOUG PIR -LAR SS
FOR SPAN 46'- 59 OR LESS ER TOP CHORDw2X A DOUG FIR -LAR #I BOTTOM CHORD"2X 4
MUM LUMN
'MINI
JOINT An 3.2X 9,0 JOINT AI-IAX i.8,JOINT A2=2.6X 3,6, JOINT Bw3.2X 3.6 ALL WEBS"2* 4 DOUG FrR-LAR STD
BRACED WEBS A2-C2v
JOINT CS.�2.6X 3i6" JOINT C2-2i6X 1-2 j"UM BEARINO- 3.5 INCHES
THE MIN
JOINT D-S.,9X 5.4 JOINT Em4.5X 3.6 ---------------------------------
------------- eomo ---------------------------------------------------------------
FOR SPAN 46'- 0# OR LESS MINIMUM LUMBER TOP CHORDw2 R -LAR SS
'X 4 DOUG FI iOTTOM CHOAD:2X 4 DOUG FIR -LAR SS
JOINT A- 4.5X 7.2 JOINT Al=l.3X 1*8 JOINT A2w2s6X 3.6 JOINT:0-3.2X 1.6 ALL WEBS,2.X 4 DOUG FIR -LAP STD
BRACED WEBS A2-C2t
JOINT C3 -2,6X 1#6 JOINT C2=246X 7#2
THE MINIMUM BEARINGO 3-5 INCHES:
JOINT DK3,,9X 5-4 JOINT EIF3.V 3-6 -------------------------------- --------------- -------------
- ----------------------------- DOUG FXP.-LAP SS
------------- -------- OR 0 1 BOTTOM CHORD -29 4
FOR SPAN 41' 7' OR'LESS MINIMUM LUMBER TOP CHORDw2X 1 DOUG CIR-L I I WEBS*2X 4 DOUG FIR -LAR STV
ALL
pl JOINT 0--fi 3,9X 7.2 JOINT A1 -1.3X 1.6 JOINT A2 -2.6X 3-6 JOINT BIm3.2X 3.6 BRACED WEBS A2-C2v
;2w2.6X 7.2
JOINT OA -2.0'3-6 JOINT C- THE MINIMUM BEARING' 1.5�INCHES
JOINT D -3.9Y 5.4 JOINT E -3.2X 3�d ---- I ------------ I ---------
----------------
--------------I- wei ------- r ------ ----------------------------
BOTTOM OUG PIR -LAR 01
FOR SPAN 431- 64 ak'4 LESS MINIMUM LUMBER TOP CHORVw2X 4 DOUG FIR -LAR #1 q4pkD-2)� 4 D -L.AR STD
JOIN! AW 3o9X 7*2 JOINT At-,Ii3X 1.8 JOINT 42-1.6X 3.6 JOINT vw3,2X 3.6 ALL WEBS 2X A, DOUG FIR
BRACED UEBS A2-C2t
C2"2o6X 7.2 3,5
JOINT C130.246X 3#6 JOINT THE MINIMUM BEARING'
iJOINT E -1.2X'3-6 --- ------------------------
OINT rl,*3,.9X 544
------------------- 010 ------------------- --- ----------------------------------------------
4 DOUG FIR -LAR 61 BOTTOK cHORD-2X A DOUG PIR -LAR 01
FOR 'SPAN 41'- 6' OR LESS MINIMUM LUMBER TOO CHORD -2X -L.AR STV
JOINT A- 1.9k 7.2 L 40INT All -11.3X iog JOINT A2 -2.6X 3.6 JOINT Bw3.2X 3.6 NO ALL WEBSm2X 4 DOUG FIR
BRACED WEDS f
JOINT Cj.2,6X 3s6 JOINT C2w2.6X 7.2 THE' MINIMUM BEARING- 3.5 INCHES
JOINT D-3o?X !,44 'JOINT E -3.2X 3-6 ---------- ----- --------- ------------------- -----------
----------------------------------------------------------
MINIMUM LUMBER TOO CHORD02X 4 DOUG FIR -LAR #1 BOTTOM CHORD -2X A DOUG FIR -LAR #1
FOR 'SPAN 39'- 6, OR LESS INT B43.2X 3-6 ALI. WEDS -2X 4 DOUG FTR-LAR STV
JOINT 41- 30YX 7,2 JOINT A11 -4.3X 1.8 JOINT A2 -42.6X 3-6 40
JOINT C3w2sAA 3o6 JOINT C2-2 , 6X 7.2 NO BRACED WEDS
1*�zE rt"IMUH BEARINGN 3,5 INCHES
jOTNT D -342X 5,4 JOINT E-3j2X 3,,6, ----------------------------
------------------------------------------- ---------------
6' OR LESS MINIMUM LUMBER TOP CHORDw2X 4 DOUG FIR -LAR #1 48OTTLA CHORDw2X 4 DOUG rTR-LAR #1
FOR SPAN 37:-
I-Io3X 1.9 JOINT A2-2o6X 3.6 JOINT B03.2X 3.6 ALL WEBIS-2X 4 DOUG FIA�LAR STP
___>JOINT A, 3..9X,r7.2 JOINT 4 NO BRACEDWEBS f
JOINT C302.6k 3.6 JOINI L2 -2.6X 7.2 THE,MINIMUM BEARING- 3-5 INCHES
JOINT 0-3,2X 5s4 JOINT tw3*2X 3-6 ---------------
---------------
---------------------- ----- ---------- -------------------------------
I - I L ELIMINATES HARMFUL STRESSES CAUSED
THE BEST RESULTS IN TRUSS FABR CATION ARE OBTAINED WITH A MECHANICAL JIG THAT R PLATES
CKING SUCH A JIGO OREATERZARE MUST BE EXERCISED 114 HA14DLING THE TRUSS OR LARGER CONNECTO
BY HANPLiNG. LA PERSONS USING TOUSSta
SHOULD BE SUBSTITUTED. J-D.ADAHS CO-19EARS NO RESPONSIBILITY FOP THE ERECTION OF TAUtSES.
AND PERMANENT BRACING, ALL JOINTS MUST
ARE -CAUTIONED TO. SEEK PROFESSIONAL ADVICE IN REGARD TO ERECTION BRACING ATES ARE
ALL PLATES CENTERED UNLESS SHOWN OTHERWISE, PL
BE ACCURATELY CUT ANDiFM DIMENSIONS MUST PIE, VERIFIED# UIRE LARGER PLATES FOR
MINIMUM BASED ON STRESSES.' FABRICATbR.HAY FIND FROM EXPERIENCE THAT SOME JOINTS MIGHT REG
PACING ON WE DOTH ENDSTO A SUITABLE SUPPORT#
HANDLING, ALL CONTINUOU8.8 96 AND CHORDS TO,9E ANCHOPED AT I
(ALL SPACING TO BE SUPPLIED BY OTHERS0 ALL WEBS 2X4 UNLESS OTHERWISE SPECIFIED.
MULTISPIKE '(Dy J.D. ADAMS 04) SHALLM MADE OF 20 GAGE STEEL AND PRESSED INTO BOTH FACES OF JOINTS*
---------------------------------- -------------------
---- ------------------------- ----------------------
I TRUSS LOADING
MULTIPLY SPAN BY FACTORS BELOW FOR STRESSES ROOF
16,00 PSF
-A2 A2-9- 54.95(C) A -C30 83.49(T) C3 -C20 67,95(T) I LL- 0 PSF
d0e0l(C) Ai - 79.AGtC) I DLa 9-0�
I. ki 66'(C) C3 -A2-1 12-96(T� A2"U2wi 047(0 B -C2- 26.57AT) -
I CE G
J. I �A
LLm 0,00 PSF
'FOR ALL BRACED WEBSO USE:A IX4 CONTINUOUS BRACE
UT NOT EXCEEDING 7- DL- 10.00 PSF
FOR A MINIMUM BEARING GREATER THAN 3 1/26 9 1 X INCREASE FOR STL-16 1
06D G E ieAR106 BLOCK I SPACED AT 2400 -t -
REWIRED WAILS ON BEARING SL000(HIN-BRG--3-6)X dil'4
PAGE 19
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J-D- ADM8 COWA44Y ENG.I.NEERIN ANDERSON, CALIFORNIA .96007
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FOR SPAN 44'#* Sq OR LEW
MINIMUM LUMBER TOP CHO,RD02X 6 DOUG FIR -LAN 58 BOTTOM CHORD -2X,6 DOUG FIR -LAR 41
JOINT Am� 4*5X Vo* J0Iffr9llj245X'I' —Fi - _ - . -
ALL WEBSm2X 4 DOUG FIR -LAR STD
JOINT fl -4-5k 3,6 6RACEDVE96 62�B_
JOINT 0-4.5X , 5,4 JOI"T Ew4p5X 34 THE MINIMUM MEANING- 3.5 INCHES
------------------------------------------------------------------ ow ---------------------- ------------------------------
FOR SPAN 41 7@ OR Ll.Ag 14INIMUN LUMBER TOP CHORDm2X 6 DOUG -FIR -LAR, #1 BQTT�lfl CHORD, ?,X 6 DOUG FIR -LAR #1
JOINT An 3.9X V,0 -JOINT AIN2.6X 1-8 J0114T 9-3.0 5,4' ALLVEDS-2X 4 DOUGfIR-LAR STD
JOINT C2 -445X 3#6 NO DRACEDWEBS�
JoINT Dw4s5X, �4iiO JOINT E -4055X 3.6 THE 01NIMUM, SEARING- 3.5 INCNES
---------------------------------------------- I -------------------------------------------- 1� ------------------ i ----------
FOR SPAN 361- 54 OR LESS MINIMUM LUMBER' TOP CHORD -2X 6 DOUG FIR -LAR *I BOTTOM CHORDm2X 6 DOUQf,IR-LAR 01
JOINT Am 3o9X 9.0 JOIWT AIm2,,6X' 1#8 JOI - NT Pw3.9X 514 A I WEBSm2X 4 DO
US FIR -LAR STO
h JOINT C2m4.59 3.4 NO PRACED WEDS
JOINT I) -4 -'SX 4u4` JOXWT E -4.5X 3,,6 ThC MINIMUM BEARINGwt 3.5 INCHES
--------------- I ----------------------------------------------------------- ------ I ----------------
FOR SPAN 350- 0 Wil LESS MINiMUM'LuMBER TOO CHORD102X AF DOUG FIR -LAA 01 BOTTOO CHORD -j 2X 4 DOUG FI R -LAR SS
T Am 4.5X 7.2 JOINT At "1.3X ls6 JOINT Bn4#5X 3.6 -kLAR STD
JOIN
&L WED642X 4 DOUG FIR
JOINT C2 -4.5X 3.6 NO BRACED WEBS
JOINT D"342X 5,,4 JOINT tw415X 3.6 THE ATNIMUM REARINOm 3s5, INCHES
----------------------------------------------------------------------------------------------------------------
FOR SPAN 32'- 1' OR LESS MINIMUM,LUMBER TOP CHORD -2,X 4 DOUG FI_R�LAR 01 POTTIM CHORD -?X 4 bOUQ Flk-LAR $1
JOINT An 3#9X,7i2 JOINT Alwl,U'103 JOINT 90405X 346 ea., WEBSwu 4, DOUG FIR�LAR SID
JOINT C2w4.,5X NV.6
NO aRACED WEVO
JOINT Dm3.2X 50 JOINT Ewcu 3ia IME C-1011MOM VEARINGA 3i5 INCHES
----------- ------------------------------------------------------
FOR SPAN 30'- 6" dr� LESS, 141MIMUM LUMBER TOP CNMDm2,X 41)OUG FIR -LAR SS BOTTOM (:HORD-q2X 4 DOUG FIRrLAR OL
JOINT Am 3.,k '�,2 JOINT Almlo:SX lcO JOINT Nu4.5X 3.4 fl,.L WEDS,=2X 4 DOUG FIR -LAR STO
JOINT C2 -?.4X 6,4 NO URACED WEDS
JOINT Dw3o2lg ilFi,4 JOINT E -3.2k 3.6 THE fl4NIMUM BEARING- 345 INCHES
---------------------------- I ------- ---------------------------------------------------- -------------- -------
FOR $PAN 201- 10 OR LESS MINIMUM LUMBER TOP CkORnm1X 4 DOUG FIR -LAR 01 BOTTG(f CHORD*2X I'DOUG FIR -LAR 41
JOINT Am 3*," -X 7i2 JOINT Al"I,3X 1#8 JOINT 0-41.5X 3.6 ka�(_ WEBS -2X 4'DOUO FIR -LAR STV
JOINT C2"3#29 316 NO BRACED WEBS
:JOINT Dm3.2)1� ls6 JOINT E-3i!X 3.6 THE KINVIUM BEARING- 3 0 54 INCHES
---------------------- ----------- ------------ --------- ---------------------------- --------------------------- ---------
PON SPAN 264- 1@ OR LESS MINIMUM LUMBER TOO CHGRD-2X 4 DOUG FrR-LAR tt SOTTUN CHORDm2� 4 DOUG FIR-�.AP #1
JOINT Am Z',,,?X 3.4 Jo'lNT_Aj-1.,3X 1.8 JOINT 91-3.2X 3.6 ALL WEBS -2X 4 DOUG FIR -LAR STD
JOINT'CZm3#2X 146 'No BrtACED WEDS
JOIN! ba3o2g 3.6 JOINT E -3#2x 396 THE MINIMUM BEARINGm 3aS INCHES
---------- ------------------- ; ---------------- -------------------- , -------------
----------------
FOR SPA14 24'- l!F OR LESS MINIMUM LU80ER TOP CHORD -2X 4 DOUG FIR-LO�� 01 BOTTOM CHORD -2X 4 DOUG FIR -LAR #i
JOINT Am 34,9x P64 JOINT Almi.3X 103 JOINT B -302X 3,16 At L WEBS -2)X 4 lWUO FIR, -LAR SITD
JOINT C263�2X 3#6 1,10 tAACED, WEDS
JOINT D -3,2x 3#6 JOINT E -3.2X 3.6 THE h�Nlht)h 0EARING,14 3o5 INCHES
---------------------------- �
------ ------------ ------------------- ------ ---------- I -------- ----------
110 llil�
FOR SFYIN 22- 1 iF OR LESS MINIMUM'LUMBER TOP CHORD -2X 4 DOUG FIR -LAR 03 VOTTOM CHORD -2X 4 DOUG FIR -LAR 44
JOINT A-0 Z.9X 5 -*4 JOINT Alml.3X 1*8 JOINT 'B=3.2X 3.A 04,L WEDSw2X 4 DOUG FIR"LAR SfO
JOINT C2.,MF2.6x 3.4 ljo 10A1,CED WEDS
JOINT bu.3.4ix 3.6 jOINT E -3.2X 3.6 qlE R�141MUM BEARINOn 3.5 �INCHCS
------------------------------------------------------------------------- ------- -----------------
THE BIXT RESULTG IN TRUSS FABRICATION ARE OB I TAINED WITH 'A MECHANICAL JIG THAT ELIXIN611S HAR0lFuL tTRESSIES CAUSED
BY HA00LIMR4 LollCKING SUCHA J1,89 GREATER CARE MUST BE EXERCISED IN HANDLING THE Tkt).b�i OR LARGER CONNECTOR PLATCS
SHOOLP !l SOBSTVTUTED. J.D.ADAM9 CO. SEARS HOPESPOMBIPILITY FOR THE 9PECTION �01- TRUSSE64 -PERSONS UVING TRUSSES
ARE ww,"111'ACD TO SEEK PROFESSIONAL ADVICE IN REGARD TO ERECTIOK 'BRACING AND PERMAYIENI BRACING, ALL JOINTS MUST
K CUT AND FIT. DIMENSIONS MUST BE VERIFIED, ALL PLATES CENTERED UNLIESS SHOWN OTHERWISEir PLATES ARE
MININQJ4 DASrzD ON STRESSES, FABRICATOR HAY FIND PROM EkPtRftNCE THAT SOME, JOINTS MIGH1 REQUIRE LARGER ft,,r TES FOP I
HANDLno,. ALL coNTxi4uous snokciwo ON WEBS AND CHORDS TO BE ANCHORED AT BOTH ENDS TO .41 SUITABLE SUPPORTO
(ALL W54tigNo TO SE SUPPLIED, BYI)THERS.) 4" WEDS 2X4 UNLESS OTHERWISE SPECIFIED,
"Ui -�IsPXKE 90Y J.D, 6PiMS Coo) SHALL BE MADE OF 20 GAGE STEEL AND PRESSED INTO BOTH FACES OF JOINTS.
---- -------------- — -----------------
----------- _ ------ -------- -------
----------
Ij, RUSS LOADING
HUvtPLY SPAN s* FACTORS OELOW FOR,STRE9SES V.
ROOF
A-dlmll2i45M) 41-9m 97.S6.4CJr,A-C2mI06.6s(T) C IfT k L 30,00PSF
2-:Clm 72@17�.,.,,
A -C24 '20*20(C) C!"B"29s57(T)
t Lw 10#00,POF
'CEILING
FOR ALL &RACED:WESSP USE A IX4 CONTINUOUS PRACE I LLm,V.00 PSF I
FOR A MINXOUn BEARING. GREATER THAN 3 1/2' BUT NOT C DLr 10.00 PSF
ARD ONEZEARING BLOCK 0FF9F"lVl G I' X'ItNCREASE FOR STL-15 .1
REQUIRED MAILS ON BEARIING BLOCkm("rN,#SRG."3.5)X 6,*14 1 SPACED AT,24NG*co I
jp� - PAGE It
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