b"TECHNOLOGIEVegetated SystemSystme vgtalis Vegetated Roofing Assembly (VRA)Couverture vgtalise (CV)Roofing SystemSystmede couverture(A) Vegetated Roofing Assembly (VRA) (A) Systme de couverture vgtalise (SCV)[Baskaran et al., Engineering Performance of[Baskaran et al., Engineering Performance of Garden Roofs in North (Canadian) ClimatesGarden Roofs in North (Canadian) climatesFive Years of Field Data; Proceedings of the RCICinq ans de donnes de terrain ; compte rendu 24th International Convention, 2009] de la RCI 24 th International Convention, 2009]Stormwater Detention SystemSystme de Stormwater rtention d'eau Detention Assembly (SDA)Systme dertention d'eauRoofing System pluviale (SREP)Systmede couverture (B) Stormwater Detention Assembly (SDA) (B) Systme de rtention des eaux pluviales (SREP)FIGURE 1 FIGURE 1 NBSCR: (A) Vegetated RoofingSNTC : (A) Systme de couverture Assembly (VRA), (B) Stormwatervgtalise (SCV), (B) Systme de Detention Assembly (SDA) rtention des eaux pluviales (SREP)water:stormwatercantemporarilybeQuel est le concept de rtention des held on the roof, and by implementingeaux pluviales dans une SNTC ?advanced drainage systems, stormwaterLestendancesclimatiqueslocales isreleasedinacontrolledmannerto(cestdire lintensit des temptes, le thesewerageinfrastructure.TheVRAvent, la pression de vapeur, la temp- naturally delays and reduces stormwaterraturedelairetlesrayonnements run-off from the roof, whereas the SDAentrants) influencent la conception du providescontrolledconditionsfortheSNTC. Lampleur des eaux pluviales roofsdischargerate,allowinglargedictelaproportiondepluiequiest volumes of water to be detained. retenue et le temps entre les temptesdtermine les taux de rejet. Par cons-What is the stormwater detentionquent,ilfautunecourbehydrogra-concept in NBSCR design? phiquepourvaluerlacapacitde Localclimatepatterns(i.e.,stormrtention des eaux pluviales (Figure 2). intensity,wind,vapourpressure,airLes eaux pluviales sont illustres par temperatureandincomingradiation)un hydrogramme de charge climatique. influence the design of the NBSCR.Lhydrogrammedusystmeindique Themagnitudeofthestormwaterle dbit dvacuation. La rduction du AUTOMNE/HIVER 2022 COUVERTURES CANADA 25"