b'RESILIENCYformer matters a great deal; for too longand articles about resilient construction,We could stop there and accept the we have been content to let mechanicalwhere the word is variously and vaguelyBOMA Canada statement, but for a heatingandcoolingsystemsmakeupdefined as the ability of a building and itspressing question: which adverse extreme for the loss of heat energy, which insid- components to endure extreme weather.weather?WhatImeanis,shouldthe iouslyescapesthroughthewallsandThatdefinitionhasbeencoupledbuilding and its components be designed roofs of our buildings, carried away bywith the use of the equally vague andand built for tomorrows weather fore-leaking air. But energy efficiency is notcontested term sustainable materials,cast, the weather we expect next week or the same as resiliencethough the twoasthosehaveapositiveimpacton the weather we expect in 20 years? We have been conflated, perhaps because airthe environment. have always expected extreme weather. tightness (a way to achieve efficiency) isThe resilience statement made byThat is why the Building Code includes measurable, can be shown in drawingsBOMA (Building Owners and Managerswindandprecipitationvaluesfor50- and is easy to talk about, while resilienceAssociation) Canada in their 2019 brieforeven100-yearevents(DivisionB, (currently rising in popularity) is not. is a little more helpful. Resilience, itAppendix C). But as a roof ages, should What does the word resilience thenstates, is the ability to prepare and planwe still expect it to do the same job 20 mean? The Oxford Dictionary definesfor adverse extreme weather events andyears after it was built?resilience as the capacity to withstandto absorb, recover from and successfullyThe Building Code offers a clue to or to recover quickly from difficulties.adapttodisruptions. 4 Recoveringthe answer. You will remember from my It also defines resilience as toughnessand adapting are other ways of sayingfirst article on the Building Code that and the ability of a substance or objectthataresilientbuilding(andthereforeeverything in Division B is anchored in to spring back into shapeits elasticity,a roof) must be able to rebound fromthe objectives and functional statements so to speak. When thinking about a roofdestructive weather and retain both itsof Division A. If we turn to Division A, assembly, one might then suggest that ashape and function. The sheer volumewe find some remarkable and prescient resilient roof must be capable of with- ofbuildingmaterialwastegeneratedstatements that are utterly on point with standing and recovering from difficul- byHurricaneIanisteachingusthatthe subject of resilience. These can be ties, by which we could mean signifi- the ability of a roof to recover after afound in both the objectives and func-cantweatherevents.Thisconfirmsapunishing storm is actually a matter oftional statements.common usage of resilience in blogsconsiderable urgency. Objectives lay out the purpose of the BuildingCode,andtheyaregrouped under five principle categories: (1) Safety, Custom Flashings and (2) Health, (3) Accessibility, (4) Fire and Structural Protection of Buildings, and Roofing Products (5)Environment.ObjectiveOP2.3, Short turn around time forStructural Sufficiency of the Building most custom products (Category 4), states that the Code aims to Better limit the probability that, as a result of PeopleProductsService Menzies quality guaranteedits design or construction, the building or part thereof will be exposed to an unac-ceptable risk of damage or loss of use due to structural failure or lack of struc-tural serviceability caused by.damage to or deterioration of the building elements. Saddle Flashings Curved Flashings Outside Corners Inside Corners Although the phrasing of the objective appears to be somewhat circular, in basic terms it means that a structural element like the roof assembly must be able to handle circumstances that might other-Pitched BUR Goosenecks Scuppers Giant B Vent wise lead to its deterioration.Menzies Metal Products creates high quality custom products to make sure everyLest one think that this objective and project you handle is done right & finished on time others might not have any applicability www.menzies-metal.com totheirproject, Article 2.1.1.2. clearly Surrey Location NanaimoLocation WestKelownaLocation states that the OP objectives apply to 1937060th Avenue 881 Maughan Road Unit 2 -1400 Industrial Road all buildings covered in this Code (see Surrey BC V3S 3M2 Nanaimo BC V9X 1J2 West Kelowna BC V1Z 1G5 Article1.1.1.1.),andaswealready Tel: (604) 530-0712 Tel: (250) 711-2585 Tel: (778) 755-6081Fax: (604) 530-8482 Fax: (250) 722-3886 Fax: (778) 755-6083 know, that means they can be applied toexisting buildings. 516 lROOFINGBClSPRING 2023'