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Symbols Numbering System General Safety Notes PLATE LOCATION AND ORIENTATION Center plate on joint unless x,y 6-4-8 dimensions shown in ft-in-sixteenths Failure to Follow Could Cause Property t4-131;' (Drawings not to scale) offsets are indicated. Damage or Personal Injury Dimensions are in ft-in-sixteenths. I I 1.—LJNI Apply plates to both sides of truss 1 2 3 1. Additional stability bracing fortress system,e.g. and fully embed teeth. TOP CHORDS diagonal or X-bracing,is always required. See BCSI. C1-2 02-3 2. Truss bracing must be designed by an engineer.For 0 4 wide truss spacing,individual lateral braces themselves WEBS may require bracing,or alternative Tor I 0 0 bracing should be considered. 0 3. Never exceed the design loading shown and never m: (L zS stack materials on Inadequately braced trusses. 0 CL 4. Provide copies of this truss design to the building For 4 x 2 orientation,locate C7-8 esa cs F designer,erection supervisor,property owner and Plates 0- 'lid'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 ANSl1TPl 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 ANSIrrPI 1. Plate location details available in MiTek'20,1`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 ICC-ES Reports: use with fire retardant,preservative treated,or green lumber. The first dimension is the plate 10.Camber is a non-structural consideration and Is the 4 x width measured perpendicular ESR-1 311,ESR-1 352,ESR1 988 responsibility of truss fabricator.General practice is to 4 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 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 truss unless otherwise shown. 13,Top chords must be sheathed orpurfins provided at output. Use T or I bracing spacing Indicated on design. if indicated. Lumber design values are in accordance with ANSI/TPI 1 14.Bottom chords require lateral bracing at 10 fit spacing, section 6.3 These truss designs rely on lumber values 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 after truss member or plate without prior (supports)occur. Icons vary but 0 2012 MiTeMD All Rights Reserved approval of an engineer. reaction section indicates,joint number where bearings occur. 17.Install and load vertically unless indicated otherwise. Min size shown is for crushing only. 18,Use of green or treated lumber may pose unacceptable environmental,health or performance risks.Consult with project engineer before use. Industry Standards: ANSIrrPI1: National Design Specification for Metal 19.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. BCSI: Building Component Safety Information, 20.Design assumes manufacture in accordance with Guide to Good Practice for Handling, MiTek ANSI1TPl I Quality Criteria. Installing&Bracing of Metal Plate Connected Wood Trusses. MiTek Engineering Reference Sheet Ml1-7473 rev.10103/2015