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Plans (75) t23G6— sw =e) sci—/6//c4 e e I c• r •• a •• r•• • r• e• • •• • • • • • • r• _• r• r• r• • • • • ••• •f •• ••• _• t• • • CT ENGINEERING 6 • • • 6 • • • <a- • • • INC 180 Nickerson St. e Suites 302 r r • • r •e r • < • ••• r e f • • • r •• r•Se•tt'e,Vitt 98109• • • ••• r• • r• • • • • • • ••• • •(2Q,o)285-4512( 6 • • •••r •r E• • • ••• (206)285 0618(F) ,asolomon@ctengineering.com ••• ••• 6 ., - •e •• •• • • BULLETIN ,- . ••• • • • • • -• 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. REVISION p PRO, �����'"F#1, d VREG'iNk SITE COPY2�lFs G_ 04/06/2016 S CALL WITH ANY QUESTIONS Issued by: Arnold R. Solomon Date: April 6.2016 Distribution: Contact Information: Chris Walther Polygon Northwest Companv 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 .... mit MiTek6 MiTek USA, Inc. 250 Klug Circle Corona,CA 92880 951-245-9525 Re: NRT LOT 23 PATIO COVER 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‘..,‘GINEt 44, act- 89200PE 9r" 11,OREGON �lti� /O l9 Y 14 Z��-Q*' All R 11-x- 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. This design prepared from computer input by Pacific Lumber and Truss-BC LUMBER SPECIFICATIONS TRUSS SPAN 12'-10.0" IBC 2012 MAX MEMBER FORCES 4WR/DDF/Cg-1.00 IC: 254 FLOE OIRBTR LOAD DURATION INCREASE-1.15 1-2-) 0) 29 2-6-)-224) 1074 6-3-( 0) 293 BC: 204 KDDF*16BTR SPACED 24.0"O.C. 2-3=(-1163) 156 6-7=(-230) 1066 3-7=(-1131) 205 WEBS:204 CODE STAND 3-4=( -82) 74 7-4=(-185) 104 LOADING 4-5=( -9) 2 TC LATERAL SUPPORT 0=12"OC.UON. LL(25.1)4EL( 10.0) ON TOP CHORD= 35.0 PSP BC LATERAL SUPPORT<=12"OC. NON. DL ON BOTTOM CHORD= 10.0 POE TOTAL LOAD= 45.0 PSF BEARING MAX VERT MAX HORT BRG REQUIRED FRG AREA OVERHANGS: 12.0" 1.5" LOCATIONS REACTIONS REACTIONS SIZE SQ.IN. (SPECIES) LL=25 POE Ground Sew (Py) 0'- 0.0" -105/ 707V -42/ 125H 5.50" 1.13 KDDF ( 625) 12'-10.0" -74/ 583V 0/ OH 5.50" 0.93 KDDF ( 625) LIMITED STORAGE DOES NOT APPLY DUE TO THE SPATIAL '*For hangar specs. -See approved plans REQUIREMENTS OF IBC 2012 AND IRC 2012 NOT BEING MET. BOTTOM CHORD CHECKED FOR lOPSF LIVE LOAD. TOP ICOND. 2: Design checked for net(-5 psf) uplift at 29 "oc spacing. AND BOTTOM CHORD LIVE LOADS ACT NON-CONCURRENTLY. VERTICAL DEFLECTION LIMITS: LL-L/240, TL=C/180 MAX LL DEFL- 0.002"@ -1'- 0.0" Allowed- 0.100" MAX TL CREEP DEFL=-0.003"@ -1'- 0.0" Allowed= 0.133" MAX LL REEL=-0.134"@ 6'-11.5" Allowed- 0.596" MAX TL CREEP DEFL=-0.075"@ 6'-11.5" Allowed= 0.794" MAX LL DEFL= 0.000^@ 0'- 0.0^ Allowed- 0.012^ MAX TL CREEP DEFL= 0.000"@ 0'- 0.0" Allowed- 0.017" MAX HORIZ. LL DEFL- 0.009"@ 12'- 4.5" MAX HORIZ. TL DEFL- 0.016"@ 12'- 4.5" 7-01-04 5-08-12 Design conforms to main windforce-resisting 1 4f f system and components and cladding criteria. 12 Wind: 140 mph, h-20.8ft, Tall-6.0,BCDL=6.0,ASCE 7-10, 3.00 v M-1.5X3 (All Heights), Enclosed, Cat.2, Exp.B, MWFRS(Dir), 4 load duration factor-1.6, End vertical(s) are exposed to wind, I Truss designed for wind loads in the plane of the truss only. M-3x4 illi -..IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIbIIIIIIIIIIIIIIIIIMII...- GIN O M-3x4 M-1.5x3 M-3x9 J. 1, y 6-11-08 5-10-08 } y J4 ��PEp P R Ore 1-00 12-10 0-01-08 �'CD �cN�'INEF9 /0 �� 89200PE �4 JOB NAME: NRT LOT 23 PATIO COVER - P2 /�� Scale: 0.4073 WARMISAL 1.Bader air. ddw a all Dapmhms O.Tm® e'»doaniYyupset.p parameters shown and is for anMmwual -y A-OREGON 2 Truss: P2 and vnm Warnings ..ussonW�.ycw. poising cornrows.Applodles°Nogg.a,.m.raraaiap.6.f L -4.7 1R A, 2.Se,,.reaaianxaebfecing m.be installed Mere sham.. Imre.of component the tamponsipiy of Me pildtm designer. /O " t4,2-(1' '�- at aem�.I t.mwrery bracing to insure nabit8 bona..mss �.Deanadslyee,.ssumes Ma a .Uy,IncaoS.amemp.gairy Ie..braceU, 0" responsibility tithe erector.Adtl'MwlpemrerembrediM of 7aaand atlao.c.reeves.*unless braced thoughts Mab length q4/6. DATE: 3/16/2016 studios I yo0. ., 3 hhnmuasshwMl.rwenrpYngmon.eteshown+drwell(BC). RR�>_�. �� responsibility per b.tlgya selaten piremrdshea Mansnarn.. SEQ.: K18155104No Madshould.appu.dro .m bany corm. unM ahMrall erasing and 4 Mml nofbuss Mate...day of M.raspwg.e sopee1e: fasteners are mndete and.tm time should any leads greater Man 5.Design assumes pow are M M ufadh a 11011<OMsNeemlonmem, end TRANS ID: LINK assn b..sa'�.d to any Damm.. 6. nassuumes Seeamo at an wpoeiashow.Shim 5.campuTresh.nocontroioerandassumesnorespareibiiinmrMe EXPIRES: 12/31/2017 andling.shipm..end ireMxtionafoomwe.nle. Designasumesad.. Oain.geMpro.,ded March 16,2016 6.This...furnished wined M Me smbabonsMrodhq e.Plates snail be MaWon both laws ofMse,and placed so Meir center TAIMITCA in BC%cep.ofMkhWill he NmNM upon raven linas wind.aft joint center lines. i 9.Diem inee...of plate M inches. MRek USA,Inc/CompliTrus Software 7.8.7(11.1E t9.Em ewe connector dm design vain.see Es2-1311.ES12-1668 oncr.m This design prepared from computer input.by Pacific Lumber and Truss-BC LUBBER SPECIFICATIONS TRUSS SPAN 12'-10.0" IBC 2012 MAX MEMBER FORCES 4WR/DDF/Cg-1.00 IC: 204 KDDF#11816 LOAD DURATION INCREASE=1.15 1-2-1 0) 29 2-6=(-224) 1074 6-3-( 0) 293 BC: 2x4 KDDF X16BTR SPACED 24.0"O.C. 2-3=(-1163) 158 6-7=(-230) 1066 3-7=(-1131) 205 WEBS: 204 RODE STAND 3-4=( -82) 74 7-4-)-185) 104 LOADING 9-5=( -9) 2 TC LATERAL SUPPORT 0=12"0C.UON. LL(25.0)+DL( 10.0) ON TOP CHORD= 35.0 PSF BC LATERAL SUPPORT 0=12"OC. UON. DL ON BOTTOM CHORD= 10.0 PSF TOTAL LOAD- 45.0 PSF BEARING MAX VERT WAX HORZ BOG REQUIRED BRG AREA OVERHANGS: 12.0" 1.5" LOCATIONS REACTIONS REACTIONS SIZE SQ.IN. (SPECIES) LL-25 PSF Ground Snow (Pg) 0'- 0.0" -10E/ 7070 -42/ 125H 5.50" 1.13 KITE ( 625) 12'-10.0" -74/ 583V 0/ OH 5.50" 0.93 KITE ( 625) M-1.5x9 c equal at no-structural LIMITED STORAGE DOES NOT APPLY DUE TO THE SPATIAL vertical members Own). REQUIREMENTS OF INC 2012 AND IRC 2012 NOT BEING MET. It For hen -See d Tans BOTTOM CHORD CHECKED FOR 10PSF LIVE LOAD. TOP ICOND. 2: Design checked for net(-5 psf) uplift at 24 "oc spacing. J ger specs. approve p AND BOTTOM CHORD LIVE LOADS ACT NON-CONCURRENTLY. VERTICAL DEFLECTION LIMITS: LL=L/240, TL=L/180 MAX LL DEFL= 0.002"@ -1'- 0.0" Allowed= 0.100" MAX TL CREEP DEFL=-0.003"@ -1'- 0.0" Allowed- 0.133" MAX LL DEFL=-0.034"@ 6'-11.5" Allowed= 0.596" MAX TL CREEP DEFL--0.075"@ 6'-11.5" Allowed- 0.794" MAX LL DEFL= 0.000"@ 0'- 0.0" Allowed= 0.013" MAX TL CREEP DEFL- 0.000"@ 0'- 0.0" Allowed- 0.017" MAX HORIZ. LL DEFL- 0.009"@ 12'- 4.5" MAX HORIZ. TL DEFL= 0.016"@ 12'- 4.5" 7-01-09 5-08-12 T 1 l' 12 Design conforms to main indforce-resisting 3.00 v system and componentsand cladding criteria. Wind: 190 mph, h-20.8ft, TCDL-6.0,BCDL-6.0,ASCE 7-10, M-1.5x3 (511 Heights), Enclosed, Cat.2, Exp.R, MWFRS(Dir), load duration factor-1.6, M-3x5 4 s y End vertical(s) are exposed to wind, Truss designed for wind loads r I' n the plane of the truss only. M-3x5 M-1.5x9 0 I M-3x9 11. Truss designee for 4x2 out lookers. 2x4 let-ins M-3x5 3 nn of the same srze and grade a structural top 0 chord. Insure tight fit at each end of let-in. 00 .40. w Outlookers must be cut with care and are AM-1.5x9 permissible at inlet board areas only.S,5 l 04 1 l �d • MEW 1 v o M-3x4 M-1.5x3 M-3x9 Jo--- il b 6-11-08 5-10-08 1-00 12-10 0-01-08 c,���NGP FFFS`s/o Scale: 0.3948 :9200P JOB NAME: NRT LOT 23 PATIO COVER - P1 �. �� WARM.: o6KPAL MOILS, ewes....none Q Nato. 1 Th de t..donluwndewmmm for n yG �IOREGON , Truss: P1 and a.Genewising ral acomponent.°°.M:u"»a cMdesigner. / " Zp�aP� 2.7.compression �. Mdwhere aMM.. incorpDesign en by and hoepmMa4 O 14 dm= stability during cons.cuon �r€1.lwaWoo.reso«.mmr unless braced mmagnoa their l.nagw DATE: 3/16/2016 sidgameerector.rmaidael pemanentdaay a mnywoua wreathing such es prwod sM1.1.06).namda.a1807 p v sialaram....64.6Fef a L Impact andng«wma damp mound where...•• MFa7 R�,-`' SEQ.: K1815511 e. .a r companwa ung alter e9 mangand a Iwellaoon of truss is me res....,ane rasp....00..otor. • faslanais No should commd4e and at no time aMu4 any loads greater than s wagnessum.w..ere m m used n a nMncan.Menvironment • ena TRANS ID: LINK design am..ads be apd to any oomponea w.MM.NNndl9or aa.. 5.Comp.,.h.nontrolover and assumes noi.ponsidlivWMa .ass •mg•t°°>u,ga,e.•ow^_6^im°r.°dg•^ wEXPIRES: 12/31/2017 S.Tai dessigP'FNm9hlshipment a.Installation gra ;.«f0� "°t' o ;„ March 16,2016 �n c61.p pfM Mtm mW.de moue. _ on bath Owed so indicate MTek USA,InclComlwTrus Software 7.6](1L)-E 10.F basic connector plats design values..ESR-1311,061-1888(45804 Symbols Numbering System A General Safety Notes PLATE LOCATION AND ORIENTATION 41 1 3/4" Center plate on joint unless x,y I 6-4-8 dimensions shown in ft-in-sixteenths (Drawings not to scale) Failure to Follow Could Cause Property offsets are indicated. Damage or Personal Injury raM Dimensions are in ft-in-sixteenths.1.164,� Apply plates to both sides of truss 1 2 3 1. Additional stability bracing for truss system,e.g. and fully embed teeth. diagonal or X-bracing,is always required. See BCSI. TOP CHORDS 7 2. Truss bracing must be designed by an engineer.For 0'/16„ 4 wide truss spacing,individual lateral braces themselves may require bracing,or alternative Tor I _ p bracing should be considered. Mill. O Q 3. Never exceed the design loadg shown and never stack materials on inadequately braced trusses. O 4. Provide copies of this truss design to the building For 4 x 2 orientation,locate ' ' 6 designer,erection supervisor,property owner and III plates 0 'a6'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 y 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. software or upon request. 8. Unless otherwise noted,moisture content of lumber 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 i� Indicated bysymbol shown and/or SYP represents values as published specified. �/ bytext in the bracingsection of the by AWC in the 2005/2012 NDS SP represents ALSC approved/new values 13.Top chords must be sheathed or purlins provided at output. Use 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, BEARING or less,if no ceiling is installed,unless otherwise noted. 15.Connections not shown are the responsibility of others. I Indicates location where bearings 16.Do not cut or alter truss member or plate without prior (supports)occur. Icons vary but ©2012 MiTekQ11 All Rights Reserved approval of an engineer. tjjjjjjj■O reaction section indicates joint IrrimEll number where bearings occur. 17.Install and load vertically unless indicated otherwise. Min size shown is for crushing only. IIIIII MINIe, 18.Use of green or treated lumber may pose unacceptable _. environmental,health or performance risks.Consult with industry Standards: project engineer before use. ANSI/TPI1: National Design Specification for Metal illi19.Review all portions of this design(front,back,words Plate Connected Wood Truss Construction. and pictures)before use.Reviewing pictures alone is not sufficient. DSB-89: Design Standard for Bracing. a BCSI: Building Component Safety Information, F/1�Te k 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