b'POLICY UPDATECALCULS DEWIND LOADLA CHARGECALCULATIONS:DUE AU VENT : A designers duty Le devoir dun concepteurBy Matthew Bradford par Matthew BradfordS uccessful roofing projects rely on a clear understandingL a russite des projets de couverture ncessite une of responsibilities between all stakeholders. The roofingcomprhension claire des responsabilits entre parties contractormustcompletetheirworkinaccordanceprenantes.Lentrepreneurdoitralisersontravail with the design and specifications completed by the projectselon le projet et cahier des charges tablis par les concep-designers. This is key to upholding the performance of theteurs, garantissant ainsi performances, scurit et durabilit roofingsystem,ensuringasafeanddurableoutcomeanddu systme tout en attnuant les risques. Si les entrepre-mitigating risk. If roofing contractors take on the work ofneurs incorporent les calculs de charges, ils encourent des completing load calculations, they will incur additional costscots supplmentaires et assument les risques en cas de and responsibility for the risk if or when something goes wrong.problme. LAssociation canadienne des entrepreneurs en To that end, the Canadian Roofing Contractors Associationcouverture (ACEC) a donc rcemment publi une politique (CRCA) recently issued a policy update underscoring the factprcisant que les calculs des charges dues au vent relvent that wind load calculations are the responsibility of projectdes concepteurs, non des entrepreneurs.designers, not roofing contractors. Publie en aot 2025, la misejour sappuie sur les Released in August 2025, the policy update builds on callsdemandesdassociationscommelaRCABAetlAMCQ fromotherroofingassociations(e.g.,RoofingContractorspour raffirmer les rles dans la fourniture dinformations Association of British Columbia (RCABC) and Quebec Masteressentielles. Cette initiative rpond au transfert croissant de Roofers Association (QMRA)) to re-clarify the roles each partyresponsabilit des entrepreneurs concernant les calculs de has in providing this critical information. It comes at a timesoulvement par vent et de charge, crant des risques de when the onus for providing wind uplift and load calculationsscurit, performance et responsabilit.is increasingly being offloaded on roofing contractors, creating Nous devons nous rappeler que les entrepreneurs ne safety, performance and liability risks. sontpasdesprofessionnelsdelaconception ,dclare WehavetorememberthatcontractorsarenotdesignTroy Ferreira, directeur techniquelACEC.Leur travail professionals,saysTroyFerreira,technicaldirectorwithconsisteexcuterlestravauxetmenerlinstallation CRCA. Their job is to execute the work and install accordingconformmentla conception fournie par les professionnels to the design provided by the design professionals who arequi sont accrdits et forms pour effectuer les calculs de accredited and trained to do the load calculations concerningcharge concernant larrachement par le vent et les autres wind uplift and other loads that are required. charges requises. 24 ROOFING CANADA FALL/WINTER 2025'