b'BUILDING CODEThis is followed later by SubsectionmodelCode)andwhoundertooktheAssembliesExposedtotheExterior)that 2.2.4. Structural and Foundation DrawingsresearchanddevelopmentofwhatisArticle2.2.5.2.(InformationRequired andCalculations(which,accordingtonow the CSA-A123.21 test method foronDrawings)indicateswhatkindof Article2.2.4.1.,appliesonlytobuild- membrane roofs (ref. Division B, Part 5:informationadesignshallprovideto ings covered in Part 4 of Division B).Article 5.2.2.2.), refers to the membranesthe constructors:Article2.2.4.3.InformationRequiredonas roof cladding (Annex H, H.1). By1) Information shown on drawings Structural Drawings, concerning structuralinference, then, Sentence (1) means that drawings and specifications, states: theloadstowhichamembraneroofand in specifications shall be clear 1) Structuraldrawingsandrelatedwill be subject must be calculated beforeandlegible,andshallcontain the design even goes to tender. sufficientdetailstodemonstrate documentssubmittedwiththeconformance with this Code (see application to build shall indicate,Lastly,noticeinSubsectionNote A-2.2.6.2.(1)).in addition to those items speci- 2.2.5.(DrawingsandSpecificationsfor fied in Article 2.2.4.6. and in PartEnvironmentalSeparatorsandOtherWhat shall we make of all this?4 of Division B applicable to the specific material,a) he name and address of the tpersonresponsibleforthe structural design,b) the date of issue of the Codeandstandardstowhichthe design conforms,POSI-SLOPEHighly Specialized in Tapered EngineeringtSimplied Installationc) hedimensions,locationand size of all structural membersPIONEER IN Factory-Mitered Modules Color Coded Drawings and PackaginginsufficientdetailtoenableITS FIELDTrained Field Techniciansthe design to be checked,Well Polished Design Team d) sufficient detail to enable the dead loads to be determined, and e)all effects and loads, other thandead loads, used for the design of the structural members andSERVING ROOFING CONTRACTORS ACROSS CANADA SINCE 1982exterior cladding. Mississauga | Peterborough | Surrey | MontralBuildingonArticle2.2.4.3.,notewww.posislope.com | info@posislope.com thatArticle2.2.5.1.Applicationof the Codestates,ThisSubsectionapplies to building materials, components and assemblies to which Part 5 of Division Bapplies(seeArticle1.3.3.2.of Division A). This is extremely relevant to the current conversation about design responsibility,sinceDivisionB,Part 5 answers the question of how that Part 4 raises in specifying what loads the roof will be subjected to. Also, notice that the structural design for exterior cladding must be submitted at the time an application to build is made to the AuthorityHavingJurisdiction(AHJ). Submittedpresumesthattheloads have been calculated and that the design is complete. Thetermexteriorcladdingused inSentence(1)isnotdefinedinthe codebuttheNRC,whooversees thedevelopmentoftheNBC(the www.rcabc.org l21'