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Symbols Numbering System l Safety s <br /> PLATE LOCATION AND ORIENTATION <br /> 3 " Center plate on joint unless x,y 6-4-8 dimensions shown in ft-in-sixteenths Failure to Follow Could Cause Property <br /> /4 offsets are indicated. (Drawings not to scale) Damage or Personal Injury <br /> Dimensions are in ft-in-sixteenths. <br /> Apply plates to both sides of truss 1 2 3 1. Additional stability bracing for truss system,e.g. <br /> and fully embed teeth. <br /> TOP CHORDS diagonal or X-bracing,Is always required. See BCSI. <br /> T r� C1-2 C2-3 2. Truss bracing must be designed by an engineer.For <br /> �'/16 4 wide truss spacing,Individual lateral braces themselves <br /> WEBS c3q may require bracing,or alternative Tor I <br /> T O p bracing should be considered. <br /> T �� 0� <br /> O 3. Never exceed the design loading shown and never <br /> IL �° U stack materials on Inadequately braced trusses. <br /> 4. Provide copies of this buss design to the building <br /> For 4 x 2 orientation,locate c 8 designer,erection supervisor,property owner and <br /> plates 0-1/,9' from outside BOTTOM CHORDS all other interested parties. <br /> edge of truss. 8 7 6 5 5. Cut members to bear tightly against each other. <br /> 6. Place plates on each face of truss at each <br /> This symbol indicates the JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKWISE joint and embed fully.Knots and wane otjolnt <br /> required direction of slots in AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO locations are regulated by ANSI/TPI 1. <br /> connectorlates. THE LEFT. <br /> p 7. Design assumes trusses will be suitab/protected from <br /> CHORDS AND WEBS ARE IDENTIFIED BY END JOINT the environment in accord with ANSI/TPI 1. <br /> Plate location details available in MiTek 20/20 NUM BERS/LETTERS. <br /> software or upon request. 8. Unless otherwise se noted,moisture content of lumber <br /> shall not exceed 19%at ilme of fabrication. <br /> PRODUCT CODE APPROVALS 9. Unless express/noted,this design is not applicable for <br /> PLATE SIZE ICC-ES Reports: use with fire retardant,preservative treated,or green lumber. <br /> The first dimension is the plate 10.Camber is a non-structural consideration and is the <br /> width measured perpendicular ESR-131 1,ESR-1352, ESR 1988 responsibility of truss fabricator.General practice is to <br /> 4 x 4 <br /> to slots.Second dimension is ER-3907, ESR-2362,ESR-1397,ESR-3282 camber for dead load deflection. <br /> the length parallel to slots. 11.Plate type,size,orientation and location dimensions <br /> indicated are minimum plating requirements. <br /> LATERAL BRACING LOCATION 12.Lumber used shall be of the species and size,and <br /> in all respects,equal to or better than that <br /> Indicated by symbol shown and/or specified. <br /> by text in the bracing section of the 13.Top chords must be sheathed or purlins provided at <br /> output. Use T or I bracing spacing Indicated on design. <br /> if indicated. <br /> 14.Bottom chords require lateral bracing at 10 ft.spacing, <br /> BEARING or less,if no ceiling is installed,unless otherwise noted. <br /> 15.Connections not shown are the responsibility of others. <br /> Indicates location where bearings 16.Do not cut or alter truss member or plate without prior <br /> (supports)occur. Icons vary but m 2012 MiTek®All Rights Reserved approval of an engineer. <br /> reaction section indicates joint <br /> number where bearings occur. 17.Install and load vertically unless indicated otherwise. <br /> Min size shown is for crushing only. ,x 18.Use of green or treated lumber may pose unacceptable <br /> environmental,health or performance risks.Consult with <br /> Industry Standards: project engineer before use. <br /> ANSI/TPI1: National Design Specification for Metal 19.Review all portions of this design(front,back,words <br /> Plate Connected Wood Truss Construction. and pictures)before use.Reviewing pictures alone <br /> is not sufficient. <br /> DSB-89: Design Standard for Bracing. <br /> BCSI: Building Component Safety Information, 20.Design assumes manufacture in accordance with <br /> Mffek'� <br /> Guide to Good Practice for Handling, ANSI/TPI 1 Quality Criteria. <br /> Installing &Bracing of Metal Plate <br /> Connected Wood Trusses. MiTek Engineering Reference Sheet:Mll-7473 rev.02/16/2015 <br />