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_ _ _ _-----. . - - - - -- Symbols Numbering System � General Safety Notes PLATE LOCATION AND ORIENTATION _ �3j" Center plate on joint unless x,y 6-4-$ dimensions shown in ft-in-sixteenths Failure to Follow Could Cause Property 4 offsets are indicated. (Drawings not to scale) Damage or Personal Injury � Dimensions are in ft-in-sixteenths. � Apply plates to both sides of truss ,� 2 3 1. Additional stability bracing for truss system,e.g. and fully embed teeth. � � dia onal or X-bracin TOP CHORDS 9 g,is always required. See BCSI. �� c�-z cz-s 2. Truss bracing must be designed by an engineer.For �'�16 4 wide truss spacing,individual lateral braces themselves � WEBS �3,� may require bracing,or alternative Tor I � � ,y � p bracing should be considered. � O � � � ,r�''� 3 O � U � � = 3. Never exceed the design loading shown and never I a �° � U stack materials on inadequately braced trusses. � p 4. Provide copies of this truss design to the building C7-8 C6-7 CS-6 For 4 x 2 orientation,IOCBte � designer,erection supervisor,property owner and plates 0- '�,�'from outside BOTTOM CHORDS all other interested parties. edg@ Of tfUSS. 8 7 6 5 5. Cut members to bear tightly against each other. II 6. Place plates on each face of truss at each This Symbol indiCates the JOINTS ARE GENERALLY NUMBEREDILETTERED CLOCKWISE � joint and embed fully.Knots and wane at joint fequifed difeCtion 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 I NUnneERSiLET7ERS. SoftwBr@ O�upOn�¢quOSt. 8. Unless otherwise noted,moisture content of lumber shall not exceed 19%at time of fabrication. PLATE SIZE PRODUCT CODE APPROVALS 9. Unless expressly noted,this design is not applicable for � ICGES R2pOftS: use with fire retardant,preservative treated,or green lumber. The fifst dimension is the plate � 10.Camber is a non-structural consideretion and is the 4 x 4 `/'�idth measufed pefpendiCular ESR-1311, ESR-1352,ESR1988 � responsibility of truss fabricator General practice is to to slots.Second dimension is ER-3907,ESR-2362,ESR-1397, ESR-3282 I camberfordead load deflection. � the length parallel t0 SIOtS. 11.Plate type,size,orientation and location dimensions indicated are minimum plating requirements. LATERAL BRACING LOCATION I 12.Lumber used shall be of the species and size,and in all respects,equal to or better than that Indicated by symbol shown and/or Trusses are designed for wind loads in the plane of the specified. by text in the bracing section of the I tfUSS U11I@SS Oth@IWIS@ ShOWl1. 13.Top chords must be sheathed or purlins provided at output. Use T or I bracing spacing indicated on design. if indicated. Lumber design values are in accordance with ANSI/TPI 1 section 6.3 These truss designs rely on lumber values �4.Bottom chords require lateral bracing at 10 ft.spacing, or less,if no ceiling is installed,unless otherwise noted. BEARING established by others. 15.Connections not shown are the responsibility of others. � Indicates location where bearings 16.Do not cut or alter truss member or plate without prior � (supports)occur. Icons vary but c0 2012 MiTek�All Rights Reserved approval of an engineer. reaction section indicates joint � nUmb@f wh8f@ b@afin95 OCCuf. 17.Install and load vertically unless indicated otherwise. j Min size shown is for crushing only. i ��, 18.Use of green or treated lumber may pose unacceptable � � environmental,health or performance risks.Consult with project engineer before use. Industry Standards: � ��!�� ANSI/TP11: National Design Specification for Metal , �� 19.Review all portions of this design(front,back,words PI8t2 COIl112Ct8d WOOd TfuSS ConStfUCti0f1. and pictures)before use.Reviewing pictures alone DSB-89: Desi n Standard for Bracin is not sufficient. BCSI: Build ng Component Safetygnformation, � 20.Design assumes manufacture in accordance with Guide to Good Practice for Handling, M�� ANSI/TPI 1 Quality Criteria. Installing&Bracing of Metal Plate ConneCted Wood Trusses. MiTek Engineering Reference Sheet:MII-7473 rev. 10/03/2015