Mitek WET SERIES User Manual

Engineering Manufacturer Defaults 7.35May 2012MiTek Industries, Inc.Eng. Manuf. Defaults 7.35Date 5/16/2012Page 1

Basics Heel Ht – This is the vertical height, at the end of the bottom chord, measured from the bottom edge of the General Information (cont)bottom ch

Detail Method Defaults (cont)Webbing Direction – (continues)Outside In - Begins webbing from the left or right ends to the ()Outs deeg s ebb g o t e e

Detail Method Defaults (cont)Strongback Verticals for Warren Webbing()3 Web Joint on:Top – All strongback vertical 3 web joints will be placed at the

Plate Options (cont)p()Plating Options may be setup for roof and floor trussesPlate for handling: Instructs the program to analyze each truss and trus

Plate Options (cont)p()Allow the use of overhang for plating: Allows for the plate to extend into the overhang.Include non stock plates in plate edito

Plate Options (cont)Inset heel plates: Allows the user to move the plate the specified distance. This option was to be p()used for trusses installed i

Plate Options (cont)Non structural members: This option governs the plating of members that are nonstructural; p()i.e. those that are not part of the

Plate Options (cont)Split heel plate before changing gauge: On some shallow sloped trusses the program may p()require an exceptionally long length of

Plate Options (cont)To reduce critical joints, try to limit JSI below: Defined as the ratio of the applied force p()to the allowable force for all pla

Plate Options (cont)TPI QC plate rotational tolerance (degrees): Controls the maximum rotation the program p()may use when plating a joint.Max plate l

Plate Options (cont)Sq In Saved Before Using Non-Centered Plate: This option specifies the amount of p()Square Inches that must be saved before a Non-

Basics Seat Cut – The size of the horizontal bearing cut on a scissor bottom chord. General Information (cont)Brg Size – The horizontal dimension of t

Plate Options (cont)Allow custom joint centers and plate locations: Can be found under Setup / p()Manufacturer / Plate Options. Check the Advanced che

Plate Options (cont)Add hinge shear plate on BEH18A and BEH18D joints : On these hinge joint types, p()when the upper chord is wider than the lower ch

Plate Options (cont)Allow perimeter violations: This option allows plates to extend into an attic room, a chase, or p()outside the profile of the trus

Plate Options (cont)Use minimum plate size for all joints on truss(es): Allows the user to specify the truss p()type and the smallest plate to be used

Plate Options (cont)JackRabbiT: This option allows the user to specify plating information used by the p()JackRabbit coil-fed assembly machineUse Jack

Plate Options (cont)Use plate to increase bearing capacity (TPI2007): When manually modify a plate in the p()program to be within 1/4” of the bearing,

Advanced PlatinggOverviewFrom Setup > Manufacturer > Plate Options the user can control the following optionsgp• Joint Types9Select plate type,

Advanced PlatinggPlating Joint Types – Min Plates and Bites TabUse the Joint/Plate Nomenclature Keys to understand the joint types.After selecting a j

Advanced Plating gPlating Joint Types – Orientation TabAllow Unsymmetric Plating – by checking the box the user will allow unsymmetric plating onbox,

Advanced Plating gPlating Joint Types – Plate Preferences TabPlate Types (gage) Sequence – Prioritize plate types usage for selected joint typetypes u

Basics Truss Application - Roof:General Information (cont)When set to Roof, allows the user to specify all Basic window settings for roof trusses. For

Advanced Plating gPlating Joint Types – Perimeter Violations TabPerimeter Violations – Allow plates to violate the border of the truss for selected jo

Advanced Plating gMin. PlatesMinimum Plate Group - Select group from the drop down listdown list. Joint Types - Lists all available joint types for se

Advanced Plating gMin. Plates (cont)Delete Span – Remove s only custom span ranges added by the user A span must be highlighted to deleteadded by the

Advanced Plating gMin. BitesMinimum Bite Group - Select group from the drop down listdown list. Joint Types - Lists the available joint types for the

Advanced Plating gMin. Bites (cont)Delete Span – Removes only custom span ranges added by the user. A span must be highlighted to deleteyp ggCopy Grou

Advanced Plating gCustom Joint SettingsBy checking joint types, in the Applied To column, a user will allow the program to plate selected joints asuse

Hanger OptionsgpThe Hanger Options screen in MiTek Engineering has been moved.has been moved.The previous way to access Hanger Options screen in MiTek

Hanger OptionsgpTruss to TrussThe Hanger Options dialog allows the user to determine how hangers will be used on trusses. Automatically Calculate Han

Hanger OptionsThe Hanger Options dialog allows the user to determine how hangers will be used. gpTruss to WallAutomatically Calculate Hangers: The pr

Hanger OptionsgpHanger ColorsAllows the user to customize hanger display colors. Click the dropdown arrow and choose a color.See next page for Hanger

Basics Truss Application - Roof:General Information (cont)When set to Roof, allows the user to also specify all Basic window settings for Girder Truss

Hanger OptionsgpHanger Color (cont)The Hanger Colors screen in MiTek Engineering is equivalent to a function of the Item Master screen in SAPPHIRE™ Ma

Standard NotesEngineering Drawing NotesInitially, this dialog box will be blank. Et t t h f thEnter your own text, or choose from the default notes li

Standard NotesShop Drawing NotesInitially, this dialog box will be blank. Et t t h f thEnter your own text, or choose from the default notes list. If

Company InfopyThe Company Info dialog box contains the name, address, telephone number and other information about your truss plant. Enter the informa

MaterialsGetting StartedThis section explains the similarities and differences between the current MiTek Engineering ScreenGroups SetupSAPPHIRE Materi

MaterialsGetting Started (cont)The following table lists common tasks and the screen on which these tasks Table 2: Common Task Starting PointsTask Sta

MaterialsGroup Settings – Material ListThe Groups Setup screen in MiTek Engineering is equivalent to the Material List screen in SAPPHIRE Materials. F

MaterialsGroup Settings ComparisonFigure 3: Screen Comparison, Groups Setup to Material List810116134567825912489101113621012471. Master Inventory lis

MaterialsGroup Settings Comparison (cont)Each tab in the Groups Setup screen in Engineering matches an Application Category in SAPPHIRE™ Materials.Fig

MaterialsMaterial Categories ComparisonFigure 7: Item Master Screen in SAPPHIRE Materials21312321. Master Inventory list2. Filters3. Add and Remove bu

Basics Truss Application - Attic:General Information (cont)When set to Attic, allows the user to specify all Basic window settings for attic trusses.

MaterialsMaterial Categories Comparison (cont)Each tab in the Material Categories screen in Engineering matches a Material Category in SAPPHIRE™ Mater

MaterialsMaterial SetupsThe Material Setups screen in MiTek Engineering is equivalent to the Material Defaults screen in SAPPHIRE Materials.Figure 9:

MaterialsMaterial Setups ComparisonThe old and new screens contain the same elements.Figure 9: Material Setups Screen in MiTek Engineering122341341. M

MaterialsFigure 12: Manufacturer Pricing Groups Screen in MiTek EngineeringPricing GroupsFigure 12: Manufacturer Pricing Groups Screen in MiTek Engine

MaterialsPricing Groups ComparisonFigure 14: Screen Comparison, Manufacturer Pricing Groups to Material CostingThe old and new screens contain the sam

MaterialsSubstitutionsThe Substitution Rules screen in MiTek Engineering is equivalent to the Substitutions screen in SAPPHIRE™ Materials.Figure 15: S

MaterialsSubstitutions ComparisonThe old and new screens contain the same elements.Figure 17: Screen Comparison Substitution Rules to SubstitutionsFig

MaterialsColor SchemesThe Color Schemes screen in MiTek Engineering is equivalent to a function of the Item Master screen in SAPPHIRE™ Materials.Figur

MaterialsPlatesThe Manufacturer Plates screen in MiTek Engineering is equivalent to a function of the Material Costing screen in SAPPHIRE™ Materials.F

MaterialsPlates ComparisonThe old and new screens contain similar elements.Figure 22: Screen Comparison, Manufacturer Plates to Material Costing12121.

Basics Truss Application - Floor:General Information (cont)When set to Floor, alters the Basic window for floor input and allows the user to specify a

MaterialsFigure 23: Plate Prices Screen in MiTek EngineeringPlates PricesThe Plate Prices screen in MiTek Engineering is equivalent to the Material Co

MaterialsPlates Prices ComparisonThe old and new screens contain similar elements.Figure 25: Screen Comparison Manufacturer Plates to Material Costing

MaterialsFigure 26: Plating Inventory Screen in MiTek EngineeringPlating InventoryThe Plating Inventory screen in MiTek Engineering is equivalent to f

MaterialsPlating Inventory ComparisonThe old and new screens contain similar elements. The black outlined section in the Plating Inventory screen is

MaterialsPlating Inventory Comparison (cont)The black outlined section in the Plating Inventory screen is equivalent to theMaterial Listscreen.screen

MaterialsFigure 32: Manufacturer Hanger Inventory Screen in MiTek Engineering Hanger InventoryThe Manufacturer Hanger Inventory screen in MiTek Engine

MaterialsHanger Inventory ComparisonThe black outlined section in the Plating Inventory screen is equivalent to theItem Masterscreen.screen is equival

MaterialsFigure 35: Hanger Prices Screen in MiTek Engineering Hanger PricesThe Hanger Prices screen is equivalent to functions of the Material Costing

MaterialsHanger Prices ComparisonThe black outlined section in the Plating Inventory screen is equivalent to theItem Masterscreen.screen is equivalent

MaterialsFigure 38: Hanger Inventory Screen in MiTek Engineering Hanger InventoryThe Hanger Inventory screen is equivalent to functions of the Item Ma

Basics Truss Application - Floor:General Information (cont)When the Floor radio button selected, the Basics window changes to accommodate floor truss

MaterialsHanger Inventory ComparisonThe black outlined section in the Hanger Inventory screen is equivalent to the numbered functions onscreen is equi

MaterialsHanger Inventory Comparison (cont)The black outlined section in the Plating Inventory screen is equivalent to theItem Masterscreen.screen is

MaterialsHanger OptionsThe Hanger Options screen in MiTek Engineering has been moved.has been moved.The previous way to access Hanger Options screen i

MaterialsHanger ColorThe Hanger Colors screen in MiTek Engineering is equivalent to a function of the Item Master screen in SAPPHIRE™ Materials.Figure

Estimating – Roof/FloorgInformationThe upper section of the estimating dialog window displays the current pricing scheme.Starting, and ending, each se

Estimating – Roof/FloorgBidding MethodBidding Method: Used to specify the Units of Measure the program will use to calculate the costs of trusses All

Estimating – Roof/FloorgBidding Method (cont)Activate Quantity for Pricing: This option will activate the Price Qty box, below the Quantity box, on th

Estimating – Roof/FloorgNew CostClick the New Cost button to open the New Cost Information dialog.This window is used to add labor pricing items to th

Estimating – Roof/FloorgNew Cost (cont)1000 Board Feet - Returns a value equal to the number of actual board footage required to build the truss divid

Estimating – Roof/FloorBrace - Returns a value equal to the number of braces in the design. gNew Cost (cont)Cut - Returns a value equal to the total n

Basics Truss Application - Floor:General Information (cont)Top Ribbon –Enter floor truss depth here or select a Posi-Strut web size. This box will act

Estimating – Roof/FloorLength Only Set-up Chords - Returns a value equal to the number of length changes for a web gNew Cost (cont)(stud) or webs that

Estimating – Roof/FloorLumber Change - Returns a value equal to the number of changes in grade, size, or species in the gNew Cost (cont)design. NOTE:

Estimating – Roof/FloorPieces 0 to 40001 Long - Returns a value equal to the number of pieces (top and bottom chords, gNew Cost (cont)webs, studs, wed

Estimating – Roof/FloorPieces 208 Wide - Returns a value equal to the number of 2x3 pieces (top and bottom chords, gNew Cost (cont)webs, studs, wedges

Estimating – Roof/FloorPitch Break - Returns a value equal to the number of pitch breaks, either top or bottom chord, for the gNew Cost (cont)truss mu

Estimating – Roof/FloorSheathing Piece - Returns a value equal to the number of pieces multiplied by the number of trussesgNew Cost (cont)trusses. She

Estimating – Roof/FloorWidth Change Chords - Returns a value equal to the number of changes in top or bottom chord gNew Cost (cont)lumber widths. A ve

Estimating–Roof/FloorgRemove – Modify – Hanger CostsRemove: To remove a cost information category, highlight that category and click Remove.WARNING: T

Estimating – Roof/FloorgLabor FactorsClick the Labor factors button to open the Labor Cost Factors window.New: Opens the New Labor Factor window.Enter

Estimating–Roof/FloorgMisc. CostsCalculate Variable Overhead Using Span:When checked, this option causes the program to calculate your overhead on a t

Basics The software is shipped with the Turb-O-Web capability switched OFF by default.TrbOWeb International Pt Ltdm stiss ea9digit code before the fea

Estimating – Roof/FloorgMisc. Costs (cont)Overhead Calc: This section allows the user to set the default values for calculating overhead. Multiplier o

Estimating -Posi-StrutsEnter the amount per linear foot that will be used to calculate labor cost.gThe Trimmable Ends button will open the Trim Ends w

EstimatingAllows the user to assign additional cost for miscellaneous items used to produce Trimmable Ends.gTrimmable EndsMiTek Industries, Inc.Eng. M

EstimatingAllows the user to assign a cost per linear foot of Eliminator.gEliminatorMiTek Industries, Inc.Eng. Manuf. Defaults 7.35Date 5/16/2012Page

GeometryyCutting Options - Double CutNOTE: All options grayed out are specific to Canadian Engineering. Selecting the Single option, under Web End Cut

GeometryyCutting Options - Double Cut (cont)Square Cut Floors: Will gray out the Web End Cut radio buttons.NOTE: Special jigging will need to be addre

GeometryyCutting Options - Double Cut (cont)Web Optimization: Optimization Tolerance: Distance a web joint will shift in an effort to optimize the web

GeometryRecut Webs Using Maximum Web Cut Lengths: Check this box to activate the Max. Web Cut Length button. This option yCutting Options - Double Cut

GeometryyCutting Options - Double Cut (cont)Warn if Web Cut Exceeds: Makes the user aware of cuts that are too long for the existing equipment to hand

GeometryyCutting Options - Double Cut (cont)Bottom Bevel Offset: Enter the depth of the bevel required.InVersatr ssclick the Be el b ttonInVersatruss

Basics Turb-O-Web® is a patented system of cutting webs at stock length with rounded ends. Turb-O-Web - Activation (cont)Turb –O-Web Options – This be

GeometryyGable/FillerThis section allows the user to set up default webbing parameters for Gables, Fillers, Valleys, California Hips and Piggybacks. I

GeometryyGable/Filler (cont) Stud From (cont):Outside In–Will stud the gable or valley from the ends ofOutside In Will stud the gable or valley from t

GeometryLouvered Gable Defaults: Rectangle–Offers width only This selection will space theyGable/Filler (cont) Rectangle Offers width only. This selec

GeometryFlatchord Defaults: Stud From–Same options as GablesyGable/Filler (cont) Stud From Same options as Gables.Stud Spacing - Enter the default stu

GeometryHorizontal Gable Defaults (cont):Continuous Vertical Studs–Vertical studs will beyGable/Filler (cont) Continuous Vertical Studs Vertical studs

GeometryOther Gable Spacings: Filler Stud Spacing–Enter the default stud spacing foryGable/Filler (cont) Filler Stud Spacing Enter the default stud sp

GeometryPiggyback Details (cont):Top Chord Butt Cut–Adds a butt cut at the end of the topyGable/Filler (cont) Top Chord Butt Cut Adds a butt cut at th

GeometryyHeel OptionsThe Heel Options dialog box contains the default manufacturer information the program will use when designing heels and cantileve

GeometryyHeel Options (cont)Heel Types - Refers to Wedges, Top and Bottom Sliders, Top and Bottom Reinforcing Webs, etc., that change the nature of yo

GeometryyHeel Options (cont)Keep Cantilever Web Single Cut -Check this box to single cut the cantilever web against the next vertical web. If not chec

Page86Page418BasicsGeneral InformationTurb-O-WebLoading Tabs (cont)Drag LoadLumberTable of Contents 8891951021161262829303133Design InfoOccupancy Cate

Basics Typically, Turb-O-Webs are stocked in 6-inch increments from 1-06-00 thru 11-6-00.Turb-O-Web - InventoryFrom Setup > Manufacturer > Mater

GeometryyPreferred Panel LengthsPreferred Panel Lengths determine panel size. The program will initially web trusses based on this information and wil

GeometryyProfile / LayoutThe Profile/Layout Defaults dialog box contains California Hip Defaults, Beveling Options and other miscellaneous defaults th

GeometryyProfile / Layout (cont)Double Cut Flat Chord of Cal. Hip – Activates the double cut feature and cuts the flat chord against the bottom edge o

GeometryMax Open Jack Length – The largest jack span before adding an end vertical.yProfile / Layout (cont)Inset End Vertical – The distance to hold b

GeometryAdd webs to open jacks – Automatically adds a web to all open jacks.yProfile / Layout (cont)Begin panel dimensions at scarf – Panel dimensions

GeometryNo vertical webs at haunch joint – This option will eliminate verticals at the haunch joint and only yProfile / Layout (cont)use diagonal webs

GeometryUse this dialog window to preset how trusses are to be created in Engineering.yShapes Before Profile Profile Type – These are profile types th

GeometryySplicingThe splicing module allows for total control over splice locations in automatic or manual splicing mode.Auto Splice: When checked, th

GeometryySplicing (cont)The main section of the Splicing dialog window is broken into two parts, Top Chords and Bottom Chords.Top Chords will be discu

GeometryySplicing - AdvancedThe Advanced button offers even greater control over splicing by allowing the user to select splice parameters for various

Basics In the Available Material panel, select the lumber that will be used for stock length Turb-O-Turb-O-Web - Inventory (cont)Webs.NOTE: In the Sto

GeometryySplicing - Advanced (cont)Note the top of the dialog box reflects which chord type has been selected, in this example Flat Bottom Chords of S

GeometryySplicing - More RulesMinimum Auto Splice Length: The same dimension as the No Piece Shorter Than on the main splicing window. This may be mod

GeometryySplicing - Additional Splicing SetupsThe Additional Splice Setups dialog allows for better control of splice lengths for wood and metal web f

Master/VariantSet RelationshipsThe Master/Variant tool allows designers to simplify their truss designs by aligning webs and splices. This will reduce

Master/Variant After the variant trusses have been highlighted,Set Relationships (cont)Right click within the Truss List Window.Select Make Variant(s)

Master/Variant After clicking OK to the Make Variant(s) of…window,Set Relationships (cont)Trusses T07A, T08, T09 and T10 have been moved into a group

Master/Variant Right click any truss in a Master/Variant group.Align Webs and SplicesSelect Open Group from the context menu.NOTE: The Master truss is

Master/Variant Right click any variant truss in a Master/Variant group.Align Webs and Splices (cont)Select Master Variant Settings… from the context m

Master/Variant Make sure the Master truss is highlighted.Align Webs and Splices (cont)Click SaveA window will open for verification of Master truss ha

Master/Variant Align Webs and Splices (cont)Trusses before aligning webs and splicesTrusses after aligning webs and splicesMiTek Industries, Inc.Eng.

Basics If the price for Turb-O-Webs is different than regular webs, follow these steps;Turb-O-Web - Inventory (cont)• Select each Turb-O-Web size• Und

Master/Variant Re-label MembersThe user may re-label each piece of wood across an entire group of trusses.To Re-label trusses;Right click any truss in

Master/Variant NotificationsThe Notification option allows the user to pre-set how changes to Variant trusses is handled.To set Master Variant Notific

Tools DefaultsExtend Use these settings to have the Extend Tooldefault to the most used option.Default to member orientation – Using this option will

Tools DefaultsHinge Plates DefaultsGap Joint – Gap distance between hinge members45 Degree Butt Joint – Specifies the gap width required for a 45 degr

Tools DefaultsHinge Joint TypesGJitFli T90 DFi ld S liFi ld V ti lOlFildGap JointButt JointFlip Top JointKnee Wall Joint90 Degree Butt JointField Spli

Tools DefaultsProfileUsers may now add Attic Rooms to any flat bottom chord truss via the profile tool.To pre-set Attic Room defaults;Click Setup >

Tools DefaultsBearings, Copy Job, Double WebBearings - Changes the bearing symbol from wood to concrete when the bearing size Woodexceeds the minimum.

Tools DefaultsScab MemberAllows the user to pre-set Scab Member defaults. This information may be modified as needed at all three levels, Manufacturer

Tools Defaults When the Scab Tool is activated, Apply To, Scab Typeand Extensions will reflect Manufacturer Defaults Scab Tooldiscussed on the previou

Tools Defaults Stack MemberAllows the user to pre-set Stack Member defaults. This information may be modified as needed at all three levels, Manufactu

Basics From Setup > Manufacturer > Geometry > Cutting OptionsTurb-O-Web - Cutting OptionsCutting Options – This checkbox allows the program

Tools Defaults When the Stack Tool is activated, Scab Type, New Member Information and Extensions will reflect Stack ToolManufacturer Defaults discus

MiscOmni Type: This pull down offers three different options for creating Omni Saw files. See your saw documentation for more information Truss Type b

Misc (cont)()Create DXF File: This option, when checked, causes the program to create an image file that is compatible with PrimeCAD® and other CAD pr

Misc (cont)()Create TeeLok Jig File: This option will create a .jig file from MiTek Engineering. The jig file can then be used in Tee-Loks’ Tee-Solve

Turb-O-WebOptimization OptionsFrom Setup > Manufacturer > Turb-O-Web Optimization optionsItems in this dialog window allow the user to specify h

Gable Stud / Filler Ply DefaultsySetup>Manufacturer>Gable Stud/Filler Ply Defaults:Gable Studs:• Gable Stud on All Plies - Will stud all plies o

Basics From Edit > Turb-O-Web Optimization OptionsTurb-O-Web - OptimizationThe items in this dialog box allow you to specify the way the program wi

Basics When using Turb-O-Webs, quite often there is a mixture of "yellow" webs and "orange" webs on the screen. Turb-O-Web - Cut A

Design Info gOccupancy CategoriesSelect the appropriate Occupancy Category from the drop-down list box. Consult the MiTek engineering department if yo

Design InfogBuilding Code ListAll available building codes are listed. Pick the code required for your area.If you are not sure of the required buildi

Design InfogSheathing/Purlin SpacingThe options shown here are default settings and tell the program if sheathing or purlins will be used for bracing.

Design InfogSheath TrussWith a truss on screen, click Tools > Sheath TrussSheathing Options:Full Sheath – Will sheath the entire truss on the face

Table of ContentsPagePage184190GeometryCutting OptionsGable / FillerTable of Contents 197200201206209213Heel OptionsPreferred Panel LengthsProfile / L

Design InfogSheath Truss (cont)Apply Sheathing To – Tells the program to sheath the Front Side, Back Side or Both Sides.Number of Plies – How many lay

Design InfogDesign MethodThe Design Method field is used to set the proper truss analysis method for the current truss. Typically, this field will be

Design InfogDesign Method (cont)Upgrade Lumber for Deflection - Select this check box to instruct the program to cycle the lumber if the deflection li

Design InfogDesign Method (cont)Truss Under Wet Service Condition - Check this box if this truss will be exposed to the elements. Enable Multipart Tru

Design InfogFixitiesThe question is often asked, what do the Fixities switches do in the MiTek Engineering software and why should a designer pick one

Design InfoThe first thing to understand is what it means for pitch breaks to be Fixed, Pinned or Semi-Ridge.gFixities (cont)Pinned: A Pinned joint ca

Design InfoSemi-rigid: In a Semi-rigid joint, we are somewhere in-between where the plate gFixities (cont)at the heel would only resist a portion of t

Design InfoMin. span for selected model: gFixities (cont)What this option does is Pin all pitch breaks for trusses shorter than the span entered. Thi

Design InfogLumber ContinuityAllows the truss chords to be designed with symmetric grades and sizes, or for each chord member to be sized and graded i

Design InfogAnalogSingle Point – The program will apply normal sized sliders.MltiPointThe preferred settingThis allo s the programMulti-Point-The pref

BasicsGeneral InformationQuantity – How many of this truss will be built.Price Qty –Because it costs less to build larger quantities of trusses, Price

Design InfoAllows the user to set the deflection limits for four items;gDeflection• Live Loads• Total load• Wind Live• Wind TotalNOTE: While the defau

Design InfogDeflection (cont)When Truss Application is set to Roof, or Attic, the Deflection Limits window will display roof deflection settings.When

Design InfogBearing Design OptionsWhen an Undersized Bearing condition occurs the program will allow the user to specify which of the Undersized Bear

Design InfogBearing Design Options (cont)The four options are:•Upgrade lumberUpgrade lumber• Use bearing enhancers• Add bearing blocks (only for one p

Design InfogGusset Repair OptionsA Group, specific to gusset repairs, can be created in Lumber Inventory and a list of material options can be added t

Design InfoAllows the user to specify which applications will be used for repairs and also which nail, screw and bolt types will gNails/Screws/Boltsbe

Design InfogBracingBracing Options allows the user to specify the type of bracing to be used. This information may be modified at any time.See the fol

Design InfogBracing (cont)Disable Advanced Bracing Options:• Checked - Only uses lumber as Lateral bracing material.• Unchecked - Advanced bracing fea

Design InfoSelecting the Lumber radio button activates the Design Lateral BracingoptiongBracing (cont)Lateral Bracingoption.Design Lateral Bracing: Th

Design InfogBracing (cont)Web Brace:A shop applied brace that does not Interfere with truss stackingInterfere with truss stacking.Checking this option

Basics Span – The length of the bottom chord. The span will include cantilevers but not overhangs.General Information (cont)TC Slope – Top Chord Slope

Loading - General Tab gLive LoadsLive Loads: The loads superimposed by the use and occupancy of the building or other structure including itbttildiddl

Loading - General TabgDead LoadsDead Loads: The gravity loads due to all permanent structural and nonstructural components of a structure h l b ll fl

Loading - General TabgDead Loads (cont)To calculate Dead Load, click the Dead… button, for either Top Ch dBtt Ch dltllChordor Bottom Chord, select all

Loading - General Tab gInformationEnvironmental Loads: The loads directly resulting from the effects of the environment on the structureCommon Environ

Loading - General TabgInformation (cont)Who determines design loads:• The national and local building code agencies• ANSI/ASCE 7-05 Minimum Design Loa

Loading - General TabgInformation (cont)IRC (International Residential Code): Defined as the code used for one and two family dwellingsIBC (Internatio

Loading - General Tab gInformation (cont)Load vs time characteristics of woodo Wood strength properties are dependant on rate of loadingo Ultimate str

Loading - General TabgEdit DOL’sType of load Load Duration FactorPermanent 0.90Floor 1.00Snow 1.15Construction 1.25Wind/earthquake 1.33Wind (gusts) 1.

Loading - General TabgTruss ApplicationChanging the Truss Application will automatically adjust the available options.MiTek Industries, Inc.Eng. Manuf

Loading - General TabgSelect Loads To ApplyEach item, when checked, will activate a tab for setting defaults.Roof Live Load (Construction) - These are

Basics Spacing – The distance between trusses. Measured either from face to face or centerline to centerline of General Information (cont)truss.Girder

Loading - General TabgSelect Loads To Apply (cont)Sprinkler Loads - These are loads associated with live and dead loads from a sprinkler system. These

Loading - General TabgOther LoadsBC Live Loadshould be selected based on UBC or IBC building code or select None if not needed.Limited Access LoadLimi

Loading - General TabgLimited Access LoadLoad Combination Reductions :Standard –No reduction - No action is taken and loads remain as they are.Multipl

Loading - Advanced TabEach of the options has a check box forFollow Building Code.gLimited Access Load (cont)No Limited Access Load Carolina 6’ BC Loa

Loading - Advanced TabBC Live Load - UBCgLimited Access Load (cont)Each of the options has a check box forFollow Building Code.Checked – Enters the va

Loading - Wind TabgExposure CategoryUse the drop-down list box to select the Exposure Category for the area where the trusses will be placed. The choi

Loading - Wind TabgExposure Category (cont)Exposure C - Open terrain with scattered obstructions having heights generally less than 30 feet. This cate

Loading - Wind TabgOccupancy CategorySelect the appropriate Occupancy Category from the drop-down list box. Consult the MiTek engineering department i

Loading - Wind TabgOccupancy Category (cont)Category IV - Buildings and structures designated as essential facilities, including, but not limited to:•

Loading - Wind TabgWind Design MethodComponents & Cladding – (C&C) Components receive wind loads directly or from cladding and transfer the lo

Basics When both are set to 2, for example, the girder will be designed with 2 plies.General Information (cont)When Min Plies is set to 2 and Max Plie

Loading - Wind TabgWind Design Method (cont)Select the appropriate Wind Design Method. There are four choices and each is explained as follows.Compone

Loading - Wind TabgWind Design Method (cont)When the Wind Design Method is set to User Define, the window will change for the user to enter their crit

Loading - Wind TabgWind Design Method (cont)Main Wind Force Resisting System (MWFRS) -When selected, the MWFRS Roof Zone options are Interior and Gabl

Loading - Wind TabgOpening ConditionsOpening Conditions - There are three conditions to choose from. They refer to the internal pressure coefficients

Loading - Wind TabgOpening ConditionsHeight Above Ground - See the notation in the previous Roof Zone section. Max Dead Load - Top and Bottom chord de

Loading -Geometry TabgyTransverse Pitch and Unbalanced Load CasesUse Transverse Pitch (for Construction LL warning) –Transverse Roof Pitch – Tells the

Loading - AC Unit TabgSize, Location, WeightUnit – The selection made under Unit controls the available options.Distance to center of unit – Allows th

Loading -Sprinkler Loads TabgpSprinkler LoadSprinkler Load - Enter the amount of live and dead load here, if different from the default (250 lbs./0 lb

Loading -Sprinkler Loads TabgpAutomatic/Manual DistributionsAutomatic Distribution - In this section, the user can specify whether the program places

Loading - Snow TabgDesign Methods and ExposuresFor this example, the code is IBC2006/TPI2002and the Wind Design Method is pre-set to ASCE 7-05Terrain

Basics Auto Optimize – This option is unchecked by default. When checked, the program will optimize the truss General Information (cont)immediately af

Loading - Snow TabgThermal ConditionsThermal Condition:The thermal factor, Ct, is used to describe the temperature of the roof. There are four differ

Loading - Snow TabgOccupancy CategoriesOccupancy CategorySelect the appropriate Occupancy Category from the drop-down list box. Consult the MiTek engi

Loading - Snow TabgOccupancy Categories (cont)Category IV - Buildings and structures designated as essential facilities, including, but not limited to

Loading - Snow TabBuilding Locations – These were once customizable locations that could be set by the user. These have been gBuildingreplaced with Ex

Loading - Snow Tab Apply Slope Reduction Factors - When checked, the surface condition option becomes gSlope Reductionavailable. The surface conditio

Loading - Loading - Snow Tab Overhang Snow Load Factor – Allows the designer to specify how snow is handled at the ggOverhang Load / Transverse Pitcho

Loading -Drag Load TabggLoading ConditionDrag Loads are grayed out at the Manufacturer and Job levels and can only be activated at the truss level. Lo

Loading -Drag Load TabggHorizontal Restraint LocationsHorizontal Drag Load Restraint Locations - In this section, you can specify the locations of the

LumberMaterial SetupThe Lumber dialog box contains the manufacturer default Lumber and List groups. In this dialog box the Start Pt defaults for all p

LumberMaterial Setup (cont)List - created in Setup > Manufacturer > Materials > Material List > Truss > Initial RoofFlat – Checked will

Basics Left Heel:General Information (cont)Overhang – The length of the overhang measured horizontally.TC – Top Chord overhang BC – Bottom Chord overh

LumberMaterial Setup (cont)List - created in Setup > Manufacturer > Materials > Material List > Truss > Initial RoofThick – Is, for thi

Bracing OptionsgpBracing Options allows the user to specify the type of bracing to be used. This information may be modified at any time.See the follo

Bracing Options(cont)gp()Disable Advanced Bracing Options:• Checked - Only uses lumber as Lateral bracing material.• Unchecked - Advanced bracing feat

Bracing Options(cont)Selecting the Lumber radio button activates the Design Lateral Bracingoptiongp()Lateral Bracingoption.Design Lateral Bracing: Thi

Bracing Options(cont)gp()Web Brace:A shop applied brace that does not Interfere with truss stackingInterfere with truss stacking.Checking this option

Detail Method DefaultsStd Horz Web Length: Defaults to 1’-3”. This is the horizontal half panel dimension. Each web in f ll h lf l ill h t d d t l thf

Detail Method Defaults (cont)()Multiple Verticals: Has an activation check box and a gap distance. When multiple verticals is l t d th ill ti l bselec

Detail Method Defaults (cont)Top Chord Bearing Gap – Places a one half inch gap between the end ti l d th i id f b i()vertical and the inside of beari

Detail Method Defaults (cont)Add Vertical for Strongback at no more than: To specify the location of a vertical the strongback will be il d t E t l f

Detail Method Defaults (cont)Webbing Defaults: Items selected in this section will be the starting defaults for new floor trusses. These options may b