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Symbols Numbering System General Safety Notes <br /> PLATE LOCATION AND ORIENTATION Failure to Follow Could Cause Property <br /> 3/4' Center plate on joint unless x,y Damage or Personal Injury <br /> offsets are Indicated. 6-4-8 dimensions shown in ft-in-sixteenths <br /> Dimensions are in ft-in-sixteenths. 1. Additional stability bracing for truss system,e.g. <br /> Apply plates to both sides of truss diagonal or X-bracing,is always required. See BCSI-131. <br /> and securely seat. <br /> 2. Never exceed the design loading shown and never <br /> ID 1 2 3 stack materials on inadequately braced trusses. <br /> TOP CHORDS <br /> C1-2 3. Provide copies of this truss design to the building <br /> designer,erection supervisor,property owner and <br /> ❑ WEBS 4 all other interested parties. <br /> 0 0 4. Out members to bear tightly against each other. <br /> 3: <br /> •For 4 x 2 orientation,locate 0 = <br /> plates 0- 'lid'from outside a. 0 <br /> 0 Q. 6. Place plates an each face of truss at each <br /> edge of truss. cm 0 joint and embed fully.Knots and wane at joint <br /> C7.8 BOTTOM CHORDS locations are regulated by ANSIITPI 1. <br /> •This symbol indicates the 8 7 6 5 6. Design assumes trusses will be suitably protected from <br /> required direction of slots in the environment in accord with ANSIfTPI1. <br /> connector plates. 7. Unless otherwise noted,moisture content of lumber <br /> Plate location details available in MITek 20120 shall not exceed 19%at time of fabrication. <br /> software or upon request, JOINTS ARE GENERALLY NUMBEREDILE77ERED CLOCKWISE <br /> AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO & Unless expressly noted,this design is not applicable for <br /> PLATE SIZE THE LEFT. use with fire retardant or preservative treated lumber. <br /> CHORDS AND WEBS ARE IDENTIFIED BY END JOINT 9. Camber is a non-structural consideration and is the <br /> The first dimension is the width NUMBERS/LETTERS. responsibility of truss fabricator.General practice is to <br /> 4 x 4 perpendicular to slots.Second camber for dead load deflection. <br /> dimension Is the length parallel <br /> to slots. 10.Plate type,size,orientation and location dimensions <br /> CONNECTOR PLATE CODE APPROVALS shown indicate minimum plating requirements. <br /> LATERAL BRACING 11.Lumber used shall be of the species and size,and <br /> Indicated by symbol shown and/or <br /> BOCA 96-31,95-43,96-20-1,96-67,84-32 in all respects,equal to or better than that <br /> specified. <br /> by text In the bracing section of the <br /> output. Use T,I or Eliminator bracing ICBO 4922,5243,5363,3907 12.Top chords must be sheathed or purlins provided at <br /> if indicated. spacing shown on design. <br /> SBCCI 9667,9730,96048,9511,9432A <br /> BEARING 13.Bottom chords require lateral bracing at 10 ft.spacing, <br /> or less,if no ceiling is installed,unless otherwise noted. <br /> Indicates location where bearings <br /> (supports)occur. Icons vary but 14.Connections not shown are the responsibility of others. <br /> reaction section indicates joint <br /> number where bearings occur. 15.Do not cut or alter truss member or plate without prior <br /> approval of a professional engineer. <br /> Industry Standards: <br /> 16.Install and load vertically unless indicated otherwise. <br /> ANSIrrPI1: National Design Specification for Metal M iT 4,Wake <br /> Plate Connected Wood Truss Construction. <br /> DSB-89: Design Standard for Bracing. <br /> BCSII: Building Component Safety Information, <br /> Guide to Good Practice for Handling, <br /> Installing&Bracing of Metal Plate Connected Wood Trusses. MiTek Engineering Reference Sheet:Mll.7473 @ 2004 MiTek@ <br />