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Plans (381) bi Ofl - o00 � , - -- • • • . • , • • .• • • .• • • • • • • . . .. .. . . • . .• . . ••• •• • •• • • • • CT ENGIN E E R I N G •• • ••• ••• ••• •••• • • • • INC 180 Nickerson St. Suite 302 • • • • • ••• • • •• ••• •• S�ttle,W4 9$109 •• •• • ••• (296)285-•1512(V): • • • ••• •• ••• • (206)285-0618(F) asolomon@ctengineering.com ••• ••• • • •• •• • •• •• • • • • • • • BULLETIN • •j. ::51 . •• •• • • • Date: April 6,2016 Number: CT-02 Project#: 15238 Project Name: River Terrace SF Attached: None Subject: Lots 18& 23—Patio Roof Truss Connection Drawings Affected: Description/Action: This bulletin provides response to RFI, design clarifications and/or variation requests for the `River Terrace Single-Family' project located in Tigard, Oregon. The patio roof trusses shall be attached to the home using a 2x6 ledger with (3) 0.131"x3" nails to each wall stud. This application applies to all of the plan types in the River Terrace single-family development. 0-p PRO, , ��GINF�1 I, OREGO 9A '4FS T ak\,F 04/06/2016 CALL WITH ANY QUESTIONS Issued by: Arnold R. Solomon Date: April 6, 2016 Distribution: Contact Information: Chris Walther Polygon Northwest Company Maggie Gordon Polygon Northwest Company Rick Tolleshaug Milbrandt Architects Alexia Fukui Milbrandt Architects R:\15238 River Terrace\Bulletins\15238_2016.04.06_CT02_Lots 18&23(Patio Roof Truss Connection).doc Structural Engineers • •• • •• • • • • •• • • • • • • • • • • • • • • • •• • • • • • • • S.. 0 •• • • • • • • • • • • • • • • • • • • • •• MuTele •• • •• • • ••• • • • . . • ••• . • (I..: • • • . ... • •. • • • • • • IOIiTdR'USA, In>;:• • 250 Klug Circle ..• •Gorona,CA 93880•• .• $51-2115-955 • • • • • • • 11.0 ••• •• • • Re: NRT LOT 23 PATIO COVER • 01/0 • • The truss drawing(s)referenced below have been prepared by MiTek USA, Inc.under my direct supervision based on the parameters provided by Pacific Lumber&Truss Co.. Pages or sheets covered by this seal: K1815510 thru K1815511 My license renewal date for the state of Oregon is December 31,2017. Lumber design values are in accordance with ANSI/TPI 1 section 6.3 These truss designs rely on lumber values established by others. �S���NG N Eq so 89200PE 7 4,OREGON� ��Q /O D' 14,20 # MFRRILN-Q' March 16,2016 Baxter,David The seal on these drawings indicate acceptance of professional engineering responsibility solely for the truss components shown. The suitability and use of this component for any particular building is the responsibility of the building designer,per ANSI/TPI 1. •• • • • • •• •• •• • • • • • • • • • • • • • • • • • • • • • •• •• • • • • • • •• • I ••• • • • • • • • • • • •• • • • • • • • ••• • • • • • • •• • • •• • • • • • • • • • • ••• • • • • •• • ••• • • • • • • •• • • • ••• •• ••• • • •• •• • • ••• ••• • • • • • • •• 0041 ••• • • • • • • ••• • This design prepared from computer input by Pacific LunEei and Tru=_-BC LUMBER SPECIFICATIONS TRUSS SPAN 12'-10.0" IBC 2012 MAX MEMBER FORCES 4./EDF/Cm-1.0.0 SC: 2x4 IQIDF N16BTR LOAD DURATION INCREASE=1.15 1-2-( 0) 29 2-6-(-224) 1024 -3=1 0) 293 BC: 2x4 RUDE kl§BTR P/ACED 24.0"G.C. - - 3=(-1-65) 158 6-]=(-23�) 1066 3 4=(-1131) 105 WEBS: 2r.9 1CDDF STAND 3-4'( -Sc) 74 9-9=1 -1851 104 LOADING 9-5-( -y) _ IC LATERAL SUPPORT<-12"0C. 203. L:.1 24.01+DL(10.0) ON TOP CHORD= 35.0 PSF BC LATERAL SUPPORT<-12"OC. UON. DL ON BOTTOM CHORD= 10.0 PSF TOTAL LOAD- 45.0 PSF BEARING IRO VERT 515,.0 HORS BRG REQUIRED BRG AREA C4'ERHANGS: 22.0" 1.5" LO A.TIONS REACTIONS REACTIONS S12E SQ.IN. (SPECIES) I.),=25 PSF Ground Snow (Pgl 0'- 0.0" -105/ 707V -42/ 125H 5.50" 1.13 SUDS ( 625) 12'-10.0 -74/ 583V 0/ OH 5.50" 0.99 EDDF ( 625) For huge: S =_F oved Alarm ans LIMITED STORAGE DOES APPLY DUE TO THE SPATIAL REQUIREMENTS OF IBC 2012 AND IRC 2012 NOT BEING MET. BOTTOM CHORD CFECTED FOR 10PSF LIVE LOAD. TOP ON,2: Design checked for net(-5 per) uplift a'.24 ^..c spacing. AND BOTTOM CHORD LIVE LOADS ACT NON-CONCURRENTLY. - JERTICAL DEFLECTION LIMITS( 1,11240, =L/IE3 414.)LL DEFT= 0.002"@ -1'- 0.0" Allowed= 0.100" MAX TL CREEP DEFL=-0.003"@ -1'- 0.0" Allowed= 0.133" MAX LL DEFL=-0.0:54"@ -11.5" Allowed= 0.596" M.TL CREEP DEFL=-0.02 "p 6.-71.5" Allowed= 0.794" 33RD LL DEFL- 0.000"e 0'- Allowed= 0.012" 510X TL CREEP DEFL= 0,900"@ 0'- .0Allowed- 0.017" MAX BOR IZ. LL[EFL- C.CFG.a 12'- .AN 5.012. TI,DEFL- 0.016"a 121- 4.5" 7-01-04 5-08-12 Design conforms to mein windforce-resistinc: -- - 1 - f system and components and cladding criteria. Wind:12 3.00 v 140 mph, h=20.Bft, TCDL=6.O,BCDL=6.0, ASCE 7-10, M-1.5x3 (511 Heights), Enclosed, Cat.2, Esp.B, MWFRS(Dir), load duration facto:1.6, End vertically; a_ sed to wind, /4 N WE e _ designed esigned for-.._o loads % in the plane C. the t_055 only. M-3x4------------ \' WAllg - • -=- y o M-3x4 M-165x3 M-3x4 6-11-08 5-10-08 1-00 y _._ _ 12-10 __. 0-11-08 'SO- PR OF�Ss �c�co``�NGINE9 X02 89200PE 12- 9r JOB NAME: NRT LOT 23 PATIO COVER - P2 Seal,: 0.4073 • WAIINNIOSii 004.1..NOM, unIne others*not.: Truss: P2 Be of en Note based 7G OREGON ��2 an w .Applicabilitydesign me ,`b compression2 SO incorporation of responsibility 'O "1)- 142( Q± 3 M a, n is the ny biasing of 4 7 respectivcontinuo.sheathing such as ely 9e nem By 0 DATE: 3/16/2016 sbityof the bul...pe,. q ( ' r° '°(B�,. MFRRII.�- e+ea n9 or lateral bracingrequiredof the where mho.. SEQ.: K1815510 a.Me olreleteddied m ter Man ems,repo e,seed n a nron euemh endronment complete tinea no airea Rome eny he greater en 5 Daman assumes TRANS ID: LINK design Mads be applied m any component eMua.qmN a S.ConaTrushasnocontraloverandassumesnareaaanstalyMrthh •m>,•ta��hh,Pnaenw,n.Bn�mnr�eeBh�1 EXPIRES: 12/31/2017 necessary labiate,handling 6 This_ .esuNedtent othe TA..En6setm'.#3 Plates s`;IlbeN adequate 'r provided ndpacedsothe�rcenter March 16,2016 UrnBMcogan1A,ns MIbewmBne°upon request lines MITek USA,Ir,cSCampuTrus Software 78]1L4-E 10.9.Digits emz�c connecticate Mae or plate center ilxnez pa:rekl ( gam eesgn nines see 7512-1311.ESR-I988 •• .• •• •• • • • • •• • • • • • •• • • • •••• • • • • •• •• • • • • •• • •• ••• •• • •• • •• •• ••• • • •• • • •• •• •••• • •• •• •• •• •• •• • • • • • ••• • • • •• • • •• • • • • •••• • • • • • •• • •• • ••• • • •• • •• • •• •• •• • •• • • • • 000 •• •0• • 4100 000 • • •• 00 • • • • • • • ••• ••• 410 • • • • • ••• • • This design prepared from con:I,uter input by Pacific Lumber and Truss-BC LUMBER SPECIFICATIONS TRUSS SPAN 12'- 10.C" IBC 2012 MAX MEMBER FORCES 9MR/DEF/Cq=I.RC IC: 204 REEF bi.BTR LOAD DURATION INCREASE-1.1`_ 1-2-( 3) R29S Z-7=(-220) 1074 6-5=( 1) 205 BC: 204 REEF STABTR SPACED 24.0"O.C. 10E6 3-7=(-1131) 205 WEBS: 274 KDDF ST.NND -3-(-11631 If-7I=(-ti07 3-4=) -82) 74 7-4-) -]85) 104 LOTOG 4-v( -9) TC LATERAL.SUPPORT12"OC. UON. L:.) ?�.0)1DL( 10.0) ONN TOP CHORD= 15.0 PSF BC LATERAL SUPPORTT �,. <-12".0G. 'JON. DL ON BOTTOM CHORD= 10.0 PSF TOTAL LOAD= 45.0 PSC BEARING SAX VERT MAX.HOER BRG REQUIRED PRO AREA OVERHANGS: 12.2" 1.5" LOCATIONS REACTIONS REACTIONS SIZE BOER. (SPECIES) LL-25 PSF Ground Stow (cg) 0'- 0.0" -105/ 7070 -42/ 125H 5.50" 1.13 REEF ( 625) 0/ OH ` G5.97 EDRF 625) M-1.574 c Equal at n -structure. LIMITED STORAGE DJES NOT AFFLY DUE TO TH:.SPEER,L aertical members (doh. RRQUIREMENTS OF IHC,x.012 AND IRC 20:2 NOT BP L4G MET. A. 170 Lan BOTTOM CHORD CHECKED FOR OP TYRE LOAD. 'I oP II.��OND. 2: Desi checked for net(-5 Langer specs. approved plana ANG BOTTOM CHORD LIVE LOADS r Design psf) uplift at 24 _c ACT NON CONCURRENTLY. pspacing. VERTICAL DEFLECTION LIMITS: L1-1./240, TL-1/160 MAX LL DEFL- 0.002" I - 0.0" Allowed- 0.100" MAX IL CREEP DEF:.--0.003"4 - 0.0" Allowed= 0.593" MAK EL DEFL--0.079"4 6'- 11.5" Allowed- 0.596" NTJ:TL CREEP DEFL=-0.075"@ -11.5" Allowed- 0.749" MAX LL DEFL- 0.000" @ 0'- 0.0" 01lewed- 0.015" 11AF IL CREEP DEFL= 0.000"I - 0.0" Allowed- 0.017" MAX.HORI, LL DEFL- 0.009"4 12'- 4.5" MA%HORI... TL DEFT 0.016"@ 12'- 4.5" 7-01-04 5-08-12 12 Design conforms SO main windfedde-resisting 3.00 o- system and components and cladd mg criteria. 1007.0: 140 mph, 0-20.Eft, TCDL=6.C,RCDL-6.0, ASCE 7-10, M-1.5x3 (All Heights), Enclosed, Cat.2, Exp.B, MWFRS(Dir), load duration factor=1.6, M-3x5 a s End v cal(s) are exposed t Lind, Truss designed 0500:0nd loads / ® `in one plane of ore truss only. M-3x5 M-1.5x9 ® M-3x4 _-------- 1 1 s designed for 402 rut!osiers. 274 let-ins ��M-3 5 I oftheease s_ and grade a structural top - char_.Outlockensu multi get fit it care an of let-in. permissible m e cut with care 9 ' ie' -_ permisciCle ettrnlet board a_es.,onlya e M-3x5 ,i L �� m i a. o M-3x4 M-1.5x3 M-3x4 6-11-08 5-10-08 00 z-10 �E0 PRQFF 0-01-1-08 �c\5‹•,.. NEF9 S/0'L cc :9200P 9r JOB NAME: NRT LOT 23 PATIO COVER - P1 - Scale: 0.3446 -` j•411P WARNINOfti GENERAL Truss: P1 Builder of WI General Mduai y OREGON !(/ Wamings before...Won commences building combo..A,, in of design parameters and proper bottom 77 L'<) ' 14 2�1A+� 3 P is Wa.responsitilay of Me erector Addeo.permanent bracing of respectively myg^haa� �� 0 DATE: 3/16/2016 responsibility d the budding designer. swh as plywood sheathing(TC)ander dywen(i9c) MFp R I L SEQ.: K1815511 Noiaann>va be applied component me acre,a)macing andblazing) fM�„Kp;.ow shown Ell a hsreners are compete and at no lima shroud any lows wee.man in a nun TRANS ID: LINK be applied to any component pox idy assumes <pnpaM.mmm�m.m, ;Nana no pntrni�.rand 7" me noresponsibility relma re)im gats supports mm smm�r.dg„ EXPIRES: 12/31/2017 faecal,design i.furnishedsuiact10W mna ns`seb.byre 3'Design°he,i.lo adequate is ndpacedsotheicenNr March 16,2016 9 iSIONTCAinec9i,eopesuredebyailaremWeduponrequest lines coincide WM joint Denier lines in MUSA.IncJConpuTrus Software 76.](IL)-E 10 For basicwn n m to M$77gn values. size f pees NMI, ESR 1311,ESR-1988(MiTeN) Symbols Numbering System A General Safety Notes PLATE LOCATION AND ORIENTATION 3/4 Center plate on joint int unless x,y 6-4-8 dimensions shown in ft-in-sixteenths Failure to Follow Could Cause Property I I (Drawings not to scale) offsets are indicated. Damage or Personal Injury =rill( Dimensions are in ft-in-sixteenths. 11111 Apply plates to both sides of truss and fully embed teeth. 1 2 3 1. Additional stability bracing for truss system,e.g. TOP CHORDS diagonal or X-bracing,is always required. See BCSI. 2. Truss bracing must be designed by an engineer.For 1/16 r 4 wide truss spacing,individual lateral braces themselves may require bracing,or alternative Tor I ,41110 Q bracing should be considered. _ O 3. Never exceed the design loading shown and never 1..,,,,, UrL Al U stack materials on inadequately braced trusses. O 04. Provide copies of this truss design to the building For 4 x 2 orientation,locate 7.8 C6 7 cs 6 designer,erection supervisor,property owner and plates 0-1A4'from outside BOTTOM CHORDS all other interested parties. edge of truss. 8 7 6 5 5. Cut members to bear tightly against each other. 6. Place plates on each face of truss at each This symbol indicates the JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKWISE joint and embed fully.Knots and wane at joint required direction of slots in AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO locations are regulated by ANSI/TPI 1. Connector plates. THE LEFT. 7. Design assumes trusses will be suitably protected from CHORDS AND WEBS ARE IDENTIFIED BY END JOINT the environment in accord with ANSI/TPI 1. •Plate location details available in MiTek 20/20 NUMBERS/LETTERS. 8. Unless otherwise noted,moisture content of lumber software or upon request. shall not exceed 19%at time of fabrication. PRODUCT CODE APPROVALS 9. Unless expressly noted,this design is not applicable for PLATE SIZE use with fire retardant,preservative treated,or green lumber. ICC-ES Reports: The first dimension is the plate 10.Camber is a non-structural consideration and is the 4 x 4 width measured perpendicular ESR-1311,ESR-1352,ESR 1988 responsibility of truss fabricator.General practice is to to slots.Second dimension is ER-3907,ESR-2362,ESR 1397,ESR 3282 camber for dead load deflection. the length parallel to slots. 11.Plate type.size,orientation and location dimensions indicated are minimum plating requirements. LATERAL BRACING LOCATION 12.Lumber used shall be of the species and size,and Southern Pine lumber designations are as follows: in all respects,equal to or better than that SYP represents values as published specified. 410' • Indicated by symbol shown and/or by AWC in the 2005/2012 NDS • • •• by text in the bracing section of the SP represents ALSC approved/new values 13.Top chords must be sheathed or purlins provided at ••••• output•Uig T or I bracing with effective date of June 1,2013 spacing indicated on design. • • •••• if indicated. 14.Bottom chords require lateral bracing at 10 ft.spacing, • ••• • • or less,if no ceiling is installed,unless otherwise noted. •.•.BEARING •••` • • • 15.Connections not shown are the responsibility of others. • •••• ••.• • ••: IndIlw�ItG �OCatlOn where bearings 16.Do not cut or alter truss member or plate without prior (supports),occur. Icons vary but ©2012 MiTek®All Rights Reserved approval of an engineer. • ■=c • reaeii3rj ection indicates joint 17.Install and load vertically unless indicated otherwise. .• • numlSOr•reltere bearings occur. Mins e�bUse of • • own is for crushing only. lilt 18.a vino nmentalr health or pose Consultlttwith • •le ►� •• •• • • project engineer before use. • Industry S1bhtyti tis: • • ANSI/TPI I: National De6ig/I�pecification for Metal 19.Review all portions of this design(front,back,words and pictures)before use.Reviewing pictures alone •• An Connected Wood Truss Construction. is not sufficient. • OB-89: •••• Design Standard for Bracing. i `••BCSI: Building Component Safety Information, M Tek6 20.Design assumes manufacture in accordance with Guide to Good Practice for Handling, ANSI/TPI 1 Quality Criteria. Installing&Bracing of Metal Plate Connected Wood Trusses. MiTek Engineering Reference Sheet:MII-7473 rev.01/29/2013