b'TECHNOLOGIE2-Resistance values 2- Valeurs de rsistanceThe resistance values for BVRA-1 and 2 are determined usingLesvaleursdersistancedesTVCP-1et2sontdtermi-CSA 123.24-21. For simplification purposes, it is assumed thatnes au moyen de la norme CSA 123.24-21.des fins de both BVRA have the same membrane roofing assembly whichsimplification, on prsume que les deux TVCP ont le mme has already been evaluated in accordance with CSA-A123.21- assemblage de couverturemembrane qui a dj t valu conformmentla norme CSA-A123.21-20 et qui sest avr 20 and proved an uplift resistance (P R ) of -4.3 kPa (-90 psf).une rsistance au soulvement (P ) de -4,3 kPa (-90 psf). Table 1 summarizes wind flow evaluation results. The tableRLetableau1rsumelesrsultatsdelvaluation.Le concludes that V Rfor BVRA-1 and 2 are 72 km/h (45 mph)tableauconclutqueV R pourTVCP-1et2sont72km/h and 109 km/h (68 mph) respectively.(45 mph) et 109 km/h (68 mph) respectivement. Table 1. Wind flow resistance of BVRA - 1 and 2 Tableau 1. Rsistancela circulation du vent des TVCP-1 et 2 Wind resistanceBVRA - 1 BVRA - 2 Calcul de la rsistance TVCP - 1 TVCP - 2calculation au ventAverage vegetated systemDensit moyenne des density,(gr/cm 3 ) 0.80 1.43 systmes vgtaliss, 0,80 1,43(gr/cm 3 )Sustained speed of Specimens 1,2 and 396, 87, 115 151, 151, 165 Vitesse soutenue des96, 87, 115 151, 151, 165(km/h)spcimens 1, 2 et 3 (km/h) V_average (km/h) 99 156 V_moyenne (km/h) 99 156Coefficient of variation 0.12 0.04 Coefficient de variation 0,12 0,04Resistance factor, * 0.61 0.79 Coefficient de rsistance,0,61 0,79*Grow Factor Modifier,1.2 0.9 Facteur de modification de1,2 0,9GFM* la croissance, FMC*VRA wind resistance72 109 Calcul de la rsistance au72 109calculation, (km/h)* vent (km/h)*Please refer to CSA A123.24 Annex A for details Veuillez consulter lannexe A de la norme CSA A123.24 pour plus de dtails3-Code compliance verification 3- Vrification de conformit au Code To verify code compliance, both resistance values (V , P )Pour vrifier la conformit au code, les deux valeurs de R Rmust be higher than the design values. In this case study, asrsistance (V, P) doivent tre suprieures aux valeurs de shown in Figure 6, BVRA-2 meets the requirements of theconception. Dans cette tude de cas, comme le montre la NBCC 2020. Figure 6, le TVCP-2 rpond aux exigences du CNBC 2020.AUTOMNE/HIVER 2021 COUVERTURES CANADA 35'