Loading...
HomeMy WebLinkAboutPUBLIC WORKS MASTER 1234 SHASTAN CO.it ?s a. t � s. .V led Jffm% AM snaps #W%DAvWv%wv %kowla 0 P. q. Bax 746.2 ® 4045 Sinton Road 9 Colorado Springs, Colo. 80933 (303) 475-7550 May 15, 1978 a Systems Pius Lumber P.O. Box 700 Redding, CA 9 6 0 Q I Subject: Dutch, Hip Masters with MAximum set back of 41011 y J t To Whom It May Concern A double common tiss)nt�,.i'lrci tobn.tfre � w i i l) 10 1 t1�a 1�; ;� 16" OX all around, mc.y b*0 Used as a Dtitc li Ili,'f) [triter as 7 :lone as =the set -bock does riot exceed 410". 1 o u r t ru l o FESSIO V p► V Ai J, 9 cs► Dan�.ey, ; f� . � 22�� (h i e l; Eta' ineer { i g 11WD/de �r�Tf OF l h` P ,d ri .F t ---- -,_ -..---- -- --- --- ---- ---- --------------- ------ . 2r'�(� L�lyt__l 1JJa1 _L11(LLZLI�._ I,8QSo, Bardey tr Q Seet J.D. ADAMS COMPANY ,ENGINEERING ANDERSON, CALIFORNIA 96007 �: �1L t . EAl P'k A . � r 0 L/$ -- LA(IFQRN\P - 4x00/]2 W ----------------- -------------------------------------------------------- �-------------------------------------- -----__--,..,r,.,---------..----_----- FOR FOR SPAN 45'-• d' OR LESS MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR $1 BOTTOA CHORD -2X 6 DOUG FIR -LAR ei JOINT A- 3.9X 7.2 JOENT Al -1.3X 1.8 JOINT 11-4.5X 3,6 ALL WEBS -2X 4 DOUG FIR -LAP STV JOINT C264.5X 3,6 BRACED WEBS C2 -B JOINT D -4,5X 3>.6 JOINT E -4.5X 3.6 THE MINIMUM BEARING■3,5 INCHES ...,.;___------_....____;-_-----_.-_-,_ .__.----__-_------__,,----------__.-------------------------------------------------- __---«-----------------------w----.__------_.---,,FOR FOR SPAN 42'- 2' OR LEGS MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 41 BOTTOM CHORD -2X 6 DOUG r"TR-LAR 41 JOINT An 3.9X 7.2 JOINT Adr1.3X 1.8 JOINT H -4.5X 3.6 ALL WEBS -2X 4 DOUG FIO-LAR STO JOINT'C2.4.SX 35 NO BRACED WEBS JOINT D -4.5X 3:.6 JOINT E -4.5X 3,.6 THE MINIMUM BEARING+ 3.5 INCHw~5 __ -- -- ----r._ - ------------- ---------------------------------------------------------------------------------------------- FOR FOR SPAN 39''- 4' OR LEGS MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 81 BOTTOM CHORD -2X 6 DOUG FIR -LAR •T. JOINT A" 3,2X 7.2 .JOINT Al -1.3X 1.8 JOINT B -4.5X 3,6 ALL WEBS -2X 4 DOUG FIR -LAR STO JOINT C2*2.6X 5x4, NO: BRACED WEBS JOINT D«4,59 3,6 JOINT E -4.5X 3.6 THE MINIMUM BEARING- 3,5 INCHES - _-...-...._-.... FOR ,r-,.--....--__..,.,........,_..-..._____.__-.....-.._ter SPAR 36'- 6' _..,..__....-_ .._.+.-.....«_,.-,... OR LEBB MINIMUM LUMBER TOP CHORD -2N 4 DOUG FIR -LAR ..r e..« ,rt.... w__.,. .. SS 80170M CHORD -2X 6 DOUG FIR -LAR e1 JOINT A- 3,9X; 5,4 JOINT Al-IoSX 1.8 JOINT 8-3.2X 3.6 ALL WE95-2X 4 DOUG PIR -LAR SrV JOINT C2 -342X 3.6 NO (+RACED WEBS JOINT D -41.5X 3-.6 JOINT Ep3.2X 3.6 THE MINIMUM BEARING- 3.5 INCHES --------------------------------------------- e------------ --------------------- -------w«__-_---- ,.FOR FOR SPAN 36'- 0' OR LEGIS MINIMUM LUMBER TOP CHORDb2X 4 DOUG FIR -LAR SS RoTTOM CHORD -2X 4 DOUG FIR -LAR :0.1 JOINT Am 3.9X 5.4 JOINT AI -1,3X 1.8 JOINT B -3,2X 7,.S ALL WEBS -2X 4 DOUG FIR -LAR 570 JOINT C2 -3.2X 3.6 NO BRACED WEBS JOINT 003,2X 3.6 JOINT E -3.2X 3,6 - THE MINIMUM BEARING- 3.5 INCHES --------------------------- FOR ----,----_----„----.--..__.._- _ ,.----------- ------------------------------- OR LE$!I MINIMUM LUMBER TOP CHORD -2X:4 DRUG FIR••(ak BOTTOM CHORD -2X 4 DOUG FIR -LAR 41 �1 8N0 JOINT .. Aw- 3.9X 5.4 r - JOINT AII t.3X 1.8 JOINT B 3,2X 3.6 ALL WEBS -2X 4 DOUG FIR-LAk STD JOINT C..A3,2XS3,61. GRACED WEBS JOINT D -3,2X 3.6 JOINT C -3.2X 3.6 THE MINIMUM BEARING- 3.5 INCHES M- M41 - - FOR ^«- SPAN 33'-1-- -- OR LESS �`W- LUMBERTOP CHORD-2Xy -'� 01BOTTOMCHORD-2X4DOUO FIR -LAR JOINT Am 3.9X 5.4 JUINT-Al-1,],X 1.8 JOINT 8-3.2X 3.6 ALL WEBS -2X 4 DOUG FIR"LAR STO JOINT C2 -3.2X 3,:6 NO BRACED WEBS JOINT V -:3.-2X 3.6 JOINT E -3.2X 3,6 1 H MINIMUM DEARING- 3.5 INCHES --------------.r---------------------------------- FOR FOR -------_-__-- SPAN 31'•- 1' --...,..-------«_--.r OR LESS MINIMUM LUMHER TOP CHORD -2X 4 DOUG FIR -TAR 41 BOT IOM CHORD -2X 4 11(1110 F I 1 A.1 41 JOINT A- 3,2X 5.4 JOINT A1 -1,3X 1.6 JOINT B -3.2x 3.6 ALI WEDS -2X 4 DOUG FIR LAR bill JOINT C2m2,6X 3.6 NO BRACED WEBS JOINT Vu3.2X 3.6 JOINT E':1,2X 3,6 THE MINIMUM BEARING- 3.5 INCHE5 _. ----------- ... ----. .,_FOR ---- ---..,.,.__.w FOR ---------------------- aPAN 31'x- 1' -------- ,. _w,...... _w___ .,__... ,. OR LESS M'INIKf,`h LUMBER TOP CHARD -2X 4 DOUG FIR -LAP _-___,_. 41 BOTTOM CHORD -2X 4 DOUG FIk LAk .01 JOINT A- 3.2X 5,4 JOINT A191.3X 1,8 JOINT B -3.''.X 3.6 ALL WEBS -2X 4 DOUG FIk LAr( Sill JOINT C2 -2.6X 3,6 NO BRACED WELTS JOINT D=3,.`..X 3.6 JOINT E -3.2X 3.6 rHL MINIMUM BEARING`•, 3,5 INLHLt) 1 ' SP;i�INT LUMBLr`y TOP CNORLI-2X DO FYR-LAFt pk LE55.1 OM CHOP1D-2 4 DOUG .E IR LAR' S 1 wy BNGrALL �-•-+- �,_. JOFOR JOIb1T X t AP 3, t�ryJ C2 31NIHUM' JgTNT A.1 k 1,8 lO.INr a 3.2X 3 b +�a/Cr �I� WEBS -2X d.4b`�. ALL WEBS 2X A DOUG FIR-IAR S1 JOINT D■3. "X 3.66 JOINT E -3,2X 3,6 - -• r• T THE M1NIt1LIM BEARING- 3.5 INCHES T 'BEST RESULTS IN` TRUSS FABRICATION ARE OBTAINED WITH A MECH J THAT ELIMINATES HARMFUL 5TRE55ES'GAUSED BY HANDL-,TNG, LACKING SUCH A JTGr GREATER CARE MUST BE EXERCISED I:N HANDITNG THE 7RU5S OR LAPOER CONNECTOR PLATES 5F(DULD :bE EU©STITUTED,"D.ADAh15 C0 BEARS R( RESPOHSIBILITX FqR TNF ERI.GTF:DN OF TRU6SE5. PERSONS USING TRUSSL:S ARE CAUTIONECI' TC SEEK PROFESSIONAL ADVICE IN REGARD TO ERECTION BRACING AND PERMANENT BRACING, ALL ;JINIS MUST BE ACCURATELY CUT AND }IT. DIMENSIONS MUST BE VERIF:I'ED. ALL PLATES CENTERED UNLESS SHOWN OTHERWISE, PLATES ARE MINIMUM BASED ON STRE0ESr FABRICATOR MAY FIND FROM EXPERIENCE THAT SOME JOINTS MIGHT REQUIRE LARGER PLATES FOR HANDLING, ALL CONTINAUS BRACING ON WEBS AND CHORDS 1'0 BE ANCHORED AT BOTH ENDS TO A SUITABLE SUPPORT. (ALL BRACING TO BE SUPPLIED BY OTHERS.) ALL WEBS 2X4 UNLESS OTHERW18k SPECIFIED, ' MULT18PiKE '(BY J,D. ADAMEI co.) SHALL BE MADE OF 20 GAGE STEEL AND PRESSED INTO BOTH PACES OF JOINT84 ---------- .,_...;«._.._.:.-__...._..___'--_-___;...«,..__�.._»., MULTIPLY ------- SPAN BY FACTORS BELOW FOR STREStES ) TRUSS LOADING 1' ROOF A -Ala M 63,(C) Al-$- 69.20(C)rA-C2. 74.5O('T) G2 -C1- 50.24(T) I LL- 16.00 PSF AI -C2- -12.81(0) C2-0- 22.06(T) I DL- Y.60 PSF" I CEILING FOR ALL BRACED kbrii U5E A )X4 CONTINUOUS ORACC I LLr 0.00 PSF FOR A MINIMUM BE010 GREATER THAN 3 ll2' OUT NOT EXCCEDIN13 7'' 1 DL* 10,66 PSP ADD ONE BEARING BLOCK t X INCREASE FOR'STL-1S' REgUIRED NAILS ON BEARINO BLOCK-(MIN.00,w3.5)X 6114 I,SPACED AT 24'Or,C. PAGE Ii a ilil(CI�CIJII�IC�IIII'CCCfICIClIIIICCfIIIiII � ( j � � � � C � � � � � � � 1 �,l � � � � � � � I � � C��k �Iw�l�i�i(I�cl� III�([I�ilC�f�[ III�III�1�1�111 [IC�IIf IjN1►ji Itl�l,�l C�C�II1 I�1�111 i�IlIII III�I,I Ili IIl !Cr IIS 1jlill lIi III 1jf !j II 1Clillllll►I � I I I IjIiI 1 Cfi lel I I"I';I INCHES 2 4� 5r �� J 1 I �If��II�1��k►� 7 i Precision ftirn1i1F ,teo # to f imfo for ra 58' j17$ ». U r 4 vs �s ' u 07F. . I 4 0 hk - . -� -- ---.---- -_- -_ -_--_-.-^-_-_- --- _ j -4 /8 �- -----'_ - __r_ __ _n J.D. ADAMS COMPANYENGIPEERINO 1 1', pis w = v !"' r Al. _.. 1/4�'7Lt6a: ' w 7 Al , f �2vl ° 4 L/4 ��rr ..,,..L..,•• ���Q , C1fi, GALIFG L _. f Pilo! 4.-00/12 WK __ - -----------------------------------------------------NIMU_2X 6 DO ,_____-L=___�,_ 601- OR LESS LINTER01 DJOINT __ ___..__ALLCHORD�2X-4-DOUG FIR -LAR 41 BOTTOMFIR LAR ST STD JOINT A-AN4'MINIMUM -T02XC3,6 BD3p2XI5-'4 B JOINT Al 1 3% 1.8 JOINT A2 3. JOINT '5X10,0' C3 -3.2X 3.6 J02NT C2=3.2X 712 BRAWEBS-2X A2-C?, THE MINIMUM BEARING- 3,5 INCHES OINT E-h.5X 3.6 D -.5.8X 514 JOINT- --------------------------- -----------------�---------------------------=-----------..-_- FOR SPAN 551- 5' OR LESS MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 01 BOTTOM CHOR002X b DOUG FIR -LAR 01 WEBS -2X 4 DOUG FIR -LAR STD < JOINT As 3.9X 9.0 JOINT A101.3X 1.8 JOINT A20 -3.2X 3.6 JOINT B -3.2X 5,4 ALL. BRACED WEBS 42-C2, ,JOINT C3 -3.2X 3.6 JOINT C21 -2.6X 7,2 THE MINIMUM BEARING- 3.5 INCHES JOINT Di -5.8X 5,4 JOINT E■4,5X' 3.6 •- ---__---_--_-_-----_-_--_-_-----_-_-_.._.---- i ----------------- FOR --------_--_--�-�------_-_-'- ,--_--__---------. '- SPAN 50' -11' -OR LESS MINIMUM LUMBER TOP0H0RDr+2X 6 DOUG FIR -LAR 01 BOTTOM CHORD■2X 6 DOUG FIR -LAR 01 JOINT A- 3,9X 9 o-juINT AT+a2' 3X I. -B JOVIT-A2s2.dX"af:I4 Jt]?11`f By3.Z7F 3+ 5" ALL WEB4 DOTJG F'TR-LAR STD TRACEEDD WEBSA2=C2e JOINT C3 -2,6X 3#6 JOINT C2 -2,6X 7.2 THE MINIMUM BEARING- 3.5 INCHE'S JOINT D*4.5X 5,4 JOINT E -4.5X 316 ~----__-_-- ___-_• _ __-_ .._ ----R --a--------_--__----_-----_______________..-,------�----�-------�------------------_-__- 5' OR LESS MINIMUM LUMBER TOP CHORD -2X 6 DOUG FIR -LAR 01 BOTTOM CHORD -2X 4 DOUG FIR -LAR S5 FOR JOINT $PAN 46'- A" 3.2X 9-0 JOINT Al -1-3X 168 JOINT A2 -2.6X 3..6 JOINT B -3.2X 3.6 ALL WEBSd2X 4 DOUG, FIR -LAR STII JOINT C3 -2,6X 3.6 JOINT C2 -2.6X 7.2 BRACED WEBS A2�-C2t THE MI;iYMUM BEARING= 3.3 INCHES JOINT D -3,9X 5.4 ,JOINT' E -4,5X 3.6 _._____ __ ---------------_'---------�-------r--�-----'--------- ---------------- FOR ;JOINT-pPAN4- __--»-"_,_____.-------__ 46'- 0' OR LESS MINIMUM LUMBER TOP•CHORD■2X 4 DOUG FIR -LAR SS BOTTOM CHORDw2X 4 DOUG FIR -LAR 55 ALL WEBS=2X 4 DOUG FIR -LAR STV - .5X 7.2 JOINT Ai-i.3X 1,8 JOINT A2 -2.6X 3.6 JOINT B=3.2X 3.6 BRACED WEBS A2-C2f JOINT C3 -2.6X 3,b JOINT C2-2.bX 7;2 THE MINIMUM BEARING -3.5 INCHES I . 2X 3.6 ------------..__-_---_- -_----__-___--_,--a_.--- _ mJOINT_C-13y9X-5; FOR __;--_-------JO ------------------------- ------ SPAN 43 7 OR MINIMUM LUMBER TOP LHORD-2X 4 DOUG FIR -LAR !I BOTTOM CH0RD-i2X 4 DOUG FIR -LAR 56 JOINT''Ao, ,LESS 3,9X 7;.2 JOINT Al -i -3X 1.8 JOINT A2 -2.6X 3.6 JOINT B -342X 3.6 ALL WEBS -2X 4 DOUG FIR -LAR 5TE, JOINT C3=2 -6X 3.6 JOINT C2.2o6X 7.2 BRACED WEBS A2 -C2# THE MI 3. r INCHES 46INT D -3.9'X 5-4 JOINT E -3.2X 3.MINIMUM;BEARING- --- >- _-�--_-.- - -----------,---------------------------------.. w------------------------------------------------------------------ FOR ,--------__---_---------_-.._-_. �- SPAN 43 b OR LESS MINIMUM LUMBER TOP CHORD -2X 4 DOUG FIR -LAR 01 BOTTOM CHORD -2X WEBS -2X 4 DOUG FM -LAR �i'i' D JOINT A= 3r9X 7.2 JOINT AI -'.3X 1,8 JOINT A2 -2.6X 3.6 JOINT B -:3,2X 3.6 ALL BRACEDWEBS A2. -C2. JOINT C3=24:6X 3.6 JOINT' C2 -2.6X 7,2 THE MINIMIM,BEARING= 3.5 TNCHEb' ?, JOINT D -319X 5.4 JOINT E -3.2X 3.6 ..____--__.,»-_.._. ------------------------------ - ----5f - AN---- ----'-- ----------- _-__ ___--------------------- 41- b OR MINIMUM- LUMBER TOP CHORD -2'X 4 DOUG FIR -LAR '01 BOTTOM CHORCI:Q2X 1 DOUG FIR -LAR 91 ALL WEBS -2X 4;DOUG FIR CAF. SlP JOINT A- 3.9X 7.2 JOINT Al-'i.dX 1.B JOINT A2 -2,6X 3.6 JOINT B -3-2X 3.6 JUIN! C3 -2,6i 3.6 JOINT C2.2.AX 7-2 NO BRACEDWEBS � THE MINIMUM BEARING- G 3.S INC.HE JOINT _. D --3.9X 5.4 JOINT E -312X 3.6 �___ _--,_.._ �-.• ------- ^UOTTOM ------------- 39'- 6' OR LESS MINIMUM LUMBER TOP-CHORDa2X-4 DOUG FIR -LAR 01 DOUG CHORD -2X 4 DOUG 1IR I.AK' OJ a, 14?X 7.2 JOINT A1.1.3X 1,B JOINT A2 -;2-6X 3.6 JOINT 8-3.2X 3,6 ALL WEBS■'2X 4 DOUG FIR -LAP BTCI =2.6X 3.6 JOINT C2-26 X 7 2 x NO BRACED WEBS r THE MINIMUM BEARING- 3.5INCITES�a 3, 2X 5,4 JOINT' E=3, 2X 3,6 r? - ------ -_ - _ -.. . ,...+�_�� LRPAAN -_- -- --_a------- -~-MINIMUM L MBER TO CHORD 2X 4 DOUG FIR LIR O1 -b^-OR _'- ' 'y DOTTOM CHORD 2X 4 DOUG FIR GAR tl 37 LESS � ,2x 3µ 3.9X 7.2 JOINT Al -1.3X 1.8 JOINT A2 2.6X 3.6 JOINT 8 3 .6 ALL WEB6�2X-4 D0UGYF'IR-LAR 5TAN' - D I -2.6X 3.6 JOINT G2=2.bX 7,2 a NO BRACED WEBS3,2X 5.4 JOINT E -3.2X 3. t THE MINIMUM BEARING" 3 5 IN - -STRESS- -- _---^ --«----__..._ THE DEST RESULTS IN TRUSS FABRICATION ;,RE OBT NED WITH A MECHANICAL JIG THAT ELIMINATES HARMFUL $5 CAUSED ELIN N T THE TRUSS OR LARGER CONNE`LTOR PLATF.,5 BY JIG. GREAYER CARE MUST` BE EXERCISED IN HANDLING G. LACKING SUJF.D.ADAMS NO RESPONSIBILITY FOR THE ERECTION OF TRUSSES- PERSONS i.GI'NG TRUSSES DBEN SHOULD ARC SUBSTITUTED- CO, BEARS TO SEEK PROFESSIONAL ADVICE IN REGARD TO ERECTION BRACING AND PERMANENT BRACING, ALL JOINTS MUST CAUTIONED CURATELY CUT AND ,FIT. DIMENSIONS MUST BE VERIFIED. A(.L PLATES CENTERED UNLESS SHOWN OTHERWISE. PLATES ARE LARGER PLATES FOR MINXMUM BASED ON STRESSES. FABRICATOR MAY FIND FROM EXPERIENCE. THAT SOME .,JOINTS MIGHT RFGUIRE HANDL'INdi ALL CONTINUOUS BRACING ON WEDS AND CHORDS TO BE ANCHORED AT BOTH ENDS TO A SUITABLE SUPPORT, CALL BRACING TO DE SUPPLIED BY OTHERS.) ALL WETB 2X4 UNLESS OTHERWISE SPECIFIED, JOINTS+ • •' SAGE STEEL AND PRESSED MULTISPIKE 0Y J,D ADAMS C0.) SHALL BE MADE OF 20 INTO BOTH FACETS OF TRUSSRODFdINO MULTIPLY SPAN BY FACTORS BELOW FOR STRESSES � ;y A -A1 08.01(C) Ai-A2t+,79.68(C) A2-8- 54:93(C-) A- 83.4.9( 7) C3-C2A 67,95(7) i LLM 16.00 PSF DL- 9.00 PSF + Al -C3- 9.66(C) C3-A2,b' 12.96(7)'A2 -C2- 19-17(C) B -C2- 2b,,37(T)' - 1, I CEILING FOR ALL BRACED WEBS► USE A iX4 CONTINUOUS BRACE 1 CCL- 0.00 PSF C 1 DL- CREAT) i^SF t FOR A MINIMUM BEARING GREATER THAN 3 1/2• BUT NOT EXCEEDING 7' t X INCREASE FGR 5TL=iS I ;f ADD ONE REARING BLOCK i' SPACE D AT 24•D,C.. t u REQUIRED NAILS ON BEARING 0LOCK-'(4IN,BRO--3-5)X 6,14 PAGE 19 / ----------------------------- ------------------ -------- -_ --------- f jM1 Fe �i u, o r , p ,"r1, i tier