DevelopmentAct1993

Minister’sSchedule5roofframingchecklist

DevelopmentApplicationnumber: / 455/
Applicant:
Siteaddress:

Part1–Processandcommunication

Software

  • StructuraldesignsoftwareinaccordancewiththeABCBProtocolforStructuralSoftware
  • Checkthattheprogramisbeingusedwithinanylimitations

Structuraldesignreport

  • Nameandsignatureofpersonproducingstructuraldesignreportfromtheprogram
  • Checkdesigninputsforloadingconditions
  • Checkthesuitableselectionandapplicationofanydiscretionaryparametersin relevantAustralianStandards
  • Checkthatthepersonwhoproducedandsignedthereporthasbeentrainedintheuseofthesoftwareprogram

Trussdetails

  • Elevationofeachtruss,showingdimensions,layoutofmembers,connections,support points,andwebbracing(ifany)
  • Webtie/webbracedetails
  • Detailsoftrussesortrusselementsrequiredtobelaminatedtogether(ifany),including thefastenerspattern

Layoutplan(s)

  • Separateroofframe,wallframe,floorframelayouts
  • Nameandsignatureofpersonproducinglayoutplan–oneachlayoutPlan
  • Alltie-downs,bracingandtruss-to-trussconnections,andcriticalloadpathsshown
  • Checkforgirdertrussesandanyloadtransferpointstosupportingframingthroughthe structure
  • Checkthatthepersonwhoproducedandsignedthelayoutplan(s)hasbeentrainedin theuseofthesoftwareprogram
  • Ifthelayoutwasnotproducedbythenailplatesupplier’ssoftware,checkthatthe layoutissignedbyapractisingstructuralengineer

Hybridroofdesign(combinationofrooftrussesandconventionalframing)

  • Dorooftrussesorconventionalframingrelyoneachotherforsupportorstability?

Yes or No ifYes…

  • Hasthesoftwareprogramaccountedfortheloadsandconnections?

Yes or No ifNo…

  • Designandlayoutcertifiedbyastructuralengineer

Additionstobuildings

  • Doesthenewroofrelyontheexistingstructureforsupport?

Yes or No ifYes…

  • Evidenceofsuitabilityoftheexistingstructuretosupportthenewroofprovided

Part2–Truss/framinglayout

Therooflayoutmustincludethefollowingitems:

(Crossoffallitems NotApplicable,detailstobespecifiedondrawingsforallremaining items)

  • Trusslocations: spans,stationfortruncatedgirdertrusses
  • Girdertrusspositionandgirderbootdetails
  • Topchordbracingdetails: layoutandfixing
  • Topchordrestraint:purlin/battenfixing,spacing,purlinsplicedetails
  • Intermediatetopchordties(valleytruss–sheetroofonly)
  • Bottomchordrestraint (spacingandsizeofrestraint)
  • Bottomchordrestraintbracing:suspendedornoceiling
  • Hipendframing: loosetimberorjacktruss
  • Tie-down location/details
  • Location of special loads: solar heating, air con., HWS, 1fire service, other
  • Overhangs: eavedetail(supported,notsupported)structuralornon-structuralfascia, vergedetail
  • Gableendtrusssupportedonendwallorfreespanning,verandah,pergola.
  • Trussconnections: hipends,girdertrusses,valleytrusses,nonload-bearingwalls
  • BearingwidthseeAS4440-2004,AppendixBSectionB4(p.56.)
  • Internalsupport/tie-down
  • Trussesortrusselementsrequiredtobelaminatedtogetheronsite(egdoublegirder trusses,chordstiffeners,etc)shallbeshownontherooflayoutplan
  • Supportingstructure:separatewallframelayoutindicatinglocationsanddetailsof supportforconcentratedloadssuchasgirdertrussesorbeams

Part3–Designcriteria

Asshownontrussengineeringdatasheetssubmitted,withcoversheetsignedanddatedby anappropriateperson

BuildingType: / Residential
Commercial / Doesthescopeofthetrussdesignmethodincludedesign ofcommercial/post-disasterbuildings?
Post-disaster
DesignCriteria / Unit / Specified / Accepted
Roofing / Materialorkg/m²
TopChordRestraintSpacing / mm
Ceiling / Materialorkg/m²
Ceilingbattenordirectfix / BattenorDirect
Bottomchorddesignrestraintspacing / mm

______

1Ifcommercialorpost-disasterbuilding,checkthatthescopeofthetrussdesignmethodincludesdesignof

commercial/post-disasterbuildingsasappropriate.

DesignCriteria / Unit / Specified / Accepted
Windclassification / N1toN4,C1toC3
InternalPressureco-efficient / (Cpi)=0.2or0.7
TrussSpacing / mm
RoofPitch / degrees
BottomChordPitch(ifapplicable) / degrees
TrussOverhang / mm
Eavessupportedbywallstructure / YesorNo
StructuralFascia / YesorNo
SpecialConditions(e.g.trussesoverswimmingpoolorinacorrosiveenvironment)
GirderTrusses–Specifytypeoflateralrestraintfixing(eg.battens/purlins orother)
SpecialLoads: / Unit / Specified / Accepted
WaterTank / Litresorkg
SolarSystem / kg
Air-Conditioning / Kg
Others / Kg

Thetrussdesignanddocumentationsubmittedforbuildingrulesconsenthavebeenchecked againsttheitemscontainedinthischecklist,andacceptedby:

Signature:Date:

Printname: