b'TECHNOLOGYHow do you assess the quality assurance metrics priormatriaux de la toiture, plus une provision pour la chute to the NBSCR installation?de neige et la pluie et 2) la charge provenant des eaux An electronic or suitable test should take place on thepluviales ; qui est base sur la charge climatique et la completedroofingassemblypriortotheNBSCRprdiction des prcipitations.installation.Thesatisfactorywaterproofingintegrity III) Exigencesconcernantlimpermabilisationet certification must be retained. Any nonconforming worklisolation,parlaquantitdeaupluvialepouvant shall be documented and verified such that corrections cantre retenue. be made to conform to the quality assurance metrics. The in-situ tested values should be higher than the requiredComment valuez-vous les mesures dassurance de la design loads. qualit avant linstallation dune SNTC ? Un essai lectronique ou autre doit avoir lieu avant linstallation Is the maintenance of roofing assembly required tode la SNTC. Il faut conserver une certification dintgrit dim-enhance the lifecycle of NBSCR? permabilisationsatisfaisante.Touttravailnonconformedoit Yes, maintenance is critical to the viability of the NBS tre not et corrig. Les valeurs testes doivent tre suprieures CR function. Therefore, it is recommended to:aux charges nominales.Est-ce que lentretien est ncessaire pour amliorer le cycle I)Inspectandchecktheoutletanddrainsystem de vie de la SNTC ?following 1) storm event to ensure no blockageOui, la maintenance est essentiellela viabilit. On recom-has occurred and 2) traffic or remedial works onmande donc ce qui suit : or around the roof to ensure all drainage holes areI)Dinspecter le systme dvacuation aprs 1) un orageclear and free draining. pour sassurer quil ne sest pas produit de blocage et 2) III) nspectandclearanybuildupdebrisandleafla circulation ou des travaux de rparation sur ou autour litters from each outlet during a seasonal visit. du toit .III)InspectthewaterproofingmembraneatallII)Dinspecter et enlever les dbrischaque sortie pendantjunctionsofpenetrationtoensureitisfirmlyune visite saisonnire.adhered to the detail. III)Dinspecter la membranetous les points de pntrationpour dassurer quelle est solidement colle aux dtails.How can the NBSCR assist the Canadian industry?NRCwilldevelopthenecessaryrequirementsandComment les SNTC peuvent-elles tre utileslindustrie specifications for the codification of the NBSCR by: canadienne ?I)DeterminationofclimaticloadfortheNBSLe CNRC laborera les exigences et les spcifications nces- CR designers to obtain the required stormwatersaires pour la codification des SNTC par les moyens suivants :I)Dtermination de la charge climatiqueLes concepteurs intensity, duration and frequency.II)Development of a comprehensive guideline anddoivent obtenir lintensit, la dure et la frquence des eaux pluviales.the best management practices in collaborationII)laboration dune ligne directrice complte en collabora-withindustrythroughextensivelabandfield evaluations for NBSCR. tion avec lindustrie grcedes essais sur le terrain et Whenthesespecificationsareincorporatedintoen laboratoire.UnefoiscesspcificationsincorporesauCodenational the National Plumbing Code (NPC) and the Nationaldelaplomberie(CNP)etauCodenationaldubtiment Building Code of Canada (NBCC), it will remove theduCanada(CNBC),onvaliminerlobstaclerglemen-regulatory barrier for the market penetration of the NBStairelapntrationdumarchparlessolutionsnaturellesCR in Canada. au Canada. ZahraJandaghianandBasBaskaranarewiththeZahra Jandaghian et Bas Baskaran sont tous les deux au Conseil National Research Council of Canada (NRC). national de recherches du Canada (CNRC).References RfrencesBaskaran B.A., Van Reenen D., Overton J, and Liu K. 2009.1.Baskaran B.A., Van Reenen D., Overton J et Liu K. 2009. Engineering 1. Engineering Performance of Garden Roofs in North (Canadian)Performance of Garden Roofs in North (Canadian) ClimatesFive Years of ClimatesFive Years of Field Data; Proceedings of the RCI 24thField Data; Proceedings of the RCI 24th International Convention.International Convention. 2. J andaghian Z., Saragosa J. et Baskaran B.A. 2022. Nature-based Solutions on 2. andaghian Z., Saragosa J., and Baskaran B.A. 2022. Nature-basedCommercial Roofs (NBSCR) to Mitigate Urban Flooding: Literature Review J and Progress Report.Solutions on Commercial Roofs (NBSCR) to Mitigate Urban3.Zhu Y., Doshi H. et Jandaghian Z. 2022. The Risk Reduction Design of the Flooding: Literature Review and Progress Report. Vegetated Roofing Assembly (VRA) and Storm-water Detention Assembly 3.Zhu Y., Doshi H., and Jandaghian Z. 2022. The Risk Reduction(SDA) for Use in Canadian Buildings. Design of the Vegetated Roofing Assembly (VRA) and Storm-water Detention Assembly (SDA) for Use in Canadian Buildings.30 ROOFING CANADA FALL/WINTER 2022'