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Symbols <br />Numbering System <br />General Safety Notes <br />PLATE LOCATION AND ORIENTATION <br />Center plate on joint unless x, y <br />4 offsets are indicated. <br />1 6-4-8 dimensions shown in ft-in-sixteenths <br />(Drawings not to scale) <br />Failure to Follow Could Cause Property <br />Damage or Personal Injury <br />Dimensions are in ft-in-sixteenths. <br />1. Additional stability bracing for truss system, e.g. <br />Apply plates to both sides of truss <br />1 2 3 <br />diagonal or X-bracing, is always required. See BCSI. <br />LLf� and fully embed teeth. <br />TOP CHORDS <br />2. Truss bracing must be designed by an engineer. For <br />0-11fi <br />c1-2 c2-3 <br />wide truss spacing, individual lateral braces themselves <br />bracing, Tor I <br />4 <br />may require or alternative <br />WEBS C� <br />p" �?� � <br />bracing should be considered. <br />3. Never exceed the design loading shown and never <br />= " �� O <br />U a� _ <br />stack materials on inadequately braced trusses. <br />0- " V <br />4. Provide copies of this truss design to the building <br />0 <br />designer, erection supervisor, property owner and <br />For 4 x 2 orientation, locate <br />C7-8 c6-7 cs-s I-_ <br />all other interested parties. <br />plates 0- 'rie' from outside <br />BOTTOM CHORDS <br />5. Cut members to bear tightly against each other. <br />edge of truss. <br />8 7 6 5 <br />6. Place plates on each face of truss at each <br />joint and embed fully. Knots and wane at joint <br />This symbol indicates the <br />JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKWISE <br />locations are regulated by ANSI/TPI 1. <br />required direction of slots in <br />AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO <br />7. Design assumes trusses will be suitably protected from <br />connector plates. <br />THE LEFT. <br />the environment in accord with ANSI/TPI 1. <br />Plate location details available in MiTek 20120 <br />CHORDS AND WEBS ARE IDENTIFIED BY END JOINT <br />8. Unless otherwise noted, moisture content of lumber <br />software or upon request <br />NUMBERS/LETTERS. <br />shall not exceed 19% at time of fabrication. <br />9. Unless expressly noted, this design is not applicable for <br />PLATE SIZE <br />PRODUCT CODE APPROVALS <br />use with fire retardant, preservative treated, or green lumber. <br />ICC-ES Reports: <br />10. Camber is a non-structural consideration and is the <br />The first dimension is the plate <br />responsibility of truss fabricator. General practice is to <br />4 x 4 width measured perpendicular <br />ESR-1311, ESR-1352, ESR1988 <br />camber for dead load deflection. <br />to slots. Second dimension is <br />ER-3907, ESR-2362, ESR-1397, ESR-3282 <br />11. Plate type, size, orientation and location dimensions <br />the length parallel to slots. <br />indicated are minimum plating requirements. <br />LATERAL BRACING LOCATION <br />12. Lumber used shall be of the species and size, and <br />in all respects, equal to or better than that <br />specified. <br />Indicated by symbol shown and/or <br />by text in the bracing section of the <br />Trusses are designed for wind loads in the plane of the <br />truss unless otherwise shown. <br />13. Top chords must be sheathed or purlins provided at <br />spacing indicated on design. <br />Output. Use T or I bracing <br />if indicated. <br />Lumber design values are in accordance with ANSI/TPI 1 <br />14. Bottom chords require lateral bracing at 10 ft. spacing, <br />or less, if no ceiling is installed, unless otherwise noted. <br />section 6.3 These truss designs rely on lumber values <br />BEARING <br />established by Others. <br />15. Connections not shown are the responsibility of others. <br />16. Do not cut or alter truss member or plate without prior <br />Indicates location where bearings <br />approval of an engineer. <br />(supports) occur. Icons vary but <br />reaction section indicates joint <br />© 2012 MiTek® All Rights Reserved <br />17. Install and load vertically unless indicated otherwise. <br />_� <br />number where bearings occur. <br />Min size shown is for crushing only. <br />18. Use of green or treated lumber may pose unacceptable <br />environmental, health or performance risks. Consult with <br />project engineer before use. <br />Industry Standards: <br />W1 <br />19. Review all portions of this design (front, back, words <br />ANSI/TP11: National Design Specification for Metal <br />and pictures) before use. Reviewing pictures alone <br />is not sufficient. <br />Plate Connected Wood Truss Construction. <br />DSB-89: Design Standard for Bracing. <br />A <br />20. Design assumes manufacture in accordance with <br />BCSI: Building Component Safety Information, <br />MiTek <br />ANSI/TPI 1 Quality Criteria. <br />Guide to Good Practice for Handling, <br />21.The design does not take into account any dynamic <br />Installing & Bracing of Metal Plate <br />or other loads other than those expressly stated. <br />Connected Wood Trusses. <br />MiTek Engineering Reference Sheet: MII-7473 rev. 5/19/2020 <br />