b'BUILDING CODELabouring Together questions, explain how a design specifi- real, beautiful and lasting. What binds KeepingtheBigRocksinmind,cation can leverage Tested Assembliesthemtogether?Collaboration(liter-how does one specify such a roof withanddiscussoptionsandtrade-offsally, working together). Alone, no one good thermal performance and complywhen assigning final design work to thesucceeds.Together,theymakegreat with the code requirements for wind?roofing contractor. things happen.Speaking of rocks, how should ballastedBuildinggoodroofsrequirestheWeveauthoredthebookon roofs be secured? What do we do aboutvisionofarchitects,thedirectionofgreatroofingdesignandconstruc-membranes that are liquid-applied? Andstructuralengineers,theexperttech- tion standards. Learn more about our how can a design account for the effectnicaladvicebymaterialmanufac- RoofStarGuaranteeProgramat of wind on green roofs?All good,turersandknowledgeableconsultants,https://www.rcabc.org/roofstar-guar-important,andnecessaryquestions.andthecompetentexperienceofaantee,orvisitourRoofingPractices The next article, Part 4: Flexibility inprofessionalroofingcontractorwhoManual at rpm.rcabc.org. roof design, will answer some of thosecantransformitallintosomethingJames Klassen is a RoofStar Technical Advisor and staff writer with the Roofing Contractors Association of British Columbia. As a keen proponent of vege-tated roofs, James serves as a co-chair of the Green Roofing Information Think-tank (GRiT), contributes to education and policy development for sustainable green roof design and is involved on behalf of the RCABC in a collaborative work with Green Roofs for Healthy Cities to develop green roofing professional curricula.He also writes for and manages the online Roofing Practices Manual, participates in numerous CSA task groups responsible for several roofing standards and is a voting member of the CSA-A123 Technical Committee on Roofing. He is an experienced roofing estimator, a former Occupational Health and Safety profes-sional and independent insurance claims adjuster and has extensive experience managing facilities and transportation for a large private school in British ON THE JOB EARLY. Columbias Fraser Valley.WORKING LATE. 1 Assignment of design to constructors: A discussionand direction.Robinson, Keith et al.The Construction JUST LIKE YOU. Specifier: December 3, 2018 (https://www.construc-The construction industry is demanding. The daystionspecifier.com/assignment-of-design-to-construc-are long and the competition is fierce. Thats why wetors-a-discussion-and-direction/) keep the same hours as you do, and back you up with2 See the previous article in this series, The Building Codea full range of products, accessories and tools. and wind.Top brands, experienced, knowledgeable3 British Columbia Building Code, Division C, Part 2: staff and extended hours make us the trusted choice. 2.2.1.2.(1) Structural Design.After all, you work hard to exceed your 4 British Columbia Building Code, Division C, Notes to customers expectations, and so do we. Part 2: A-2.2.1.2.(1) Structural Design.5 While the calculation of Specified Wind Loads is a struc- tural matter, their application is a building enclosure concern, which is why they should form part of Division 07, Thermal and Moisture Protection, of the National WE DELIVER. 6 Master Specification.Roof zones are delineated regions of the roof subject toROOFINGINSULATIONWATERPROOFING different Specified Wind Loads.Watch for more on this topic in forthcoming articles as we explore the means SURREY, BC CHILLIWACK, BC MAPLERIDGE, BC PENTICTON, BC KELOWNA, BC VICTORIA, BC CALGARY, AB EDMONTON, AB and methods of wind-resistant roof design.Tel: 604.596.3787 Tel: 604.795.7355 Tel: 604.463.4553 Tel: 250.770.2270 Tel: 250.765.3787 Tel: 250.652.8801 Tel: 403.262.1008 Tel: 780.454.1008 7 British Columbia Building Code, Division C, Notes tofax: 604.596.4559 fax: 604.792.2355 fax: 604.463.1298 fax: 250.770.2271 fax: 250.765.2271 fax: 250.652.8803 fax: 403.262.1018 fax: 780.454.1018 Part 2: A-2.2.1.2.(1) Structural Design.24lROOFINGBC l FALL 2021'