b'BUILDING CODEIf you are new to readingAIn basic terms, the Code addresses two kinds of buildings. Part3buildingbroadlyreferstovariouslargeinstitu-tional, commercial and industrial structures built to comply with Division B, Part 3 and various other Parts in that divi-the Code, the first thing yousion(BritishColumbiaBuildingCode,DivisionA,Part1, 1.3.3 Application of Division B, and Division B Part 3, 3.1.2. Classification of Parts of Building by Major Occupancy). A must understand is that whilePart9buildingalternativelyreferstohousingandsmall buildings up to three storeys in height and no larger than 600 m 2in area, which are governed by Part 9 in Division B. This lattercategoryincludessingle-familydwellings,multi-family the Code is clearly organized,residential buildings and buildings with business occupancies. Insomecases,structuralrequirementsinDivisionB,Part 4 apply to Part 9 design requirements (see 9.4.1 Structural it is complex and integratedDesign Requirements and Application Limitations).It is also important to recognize that Parts 1, 7, 8 and 10 also apply to "Part 9" buildings (British Columbia Building Code, among and across divisionsDivision A, Part 1, 1.3.3.1. Application of Parts 1, 7, 8 and 10). More Than Meets the Eye Roofs now do more than simply keep the weather out; they and parts. protecttheintegrityofthewholebuildingandserveasa keycomponentintheentirebuildingenclosuretocontrol the movement of air, moisture and sound in and out of the structure. To do this, they need to stay where they are built, and to stay where they are built, they must be designed and constructed to comply with the Code. By collaborating and learning together, the Design Authority and roofing contractor can make it work.In the next article in this series, I will explore the subject of roof design and construction for Part 3 buildings and examine what the Code has to say about structural loading and roof membrane system selection. Additionally, I will offer some ways in which design specifications can navigate the complexities of Code compliance, owner interests and performance criteria. Weve authored the book on great roofing design and construc-tionstandards.LearnmoreaboutourRoofStarGuarantee Program at https://www.rcabc.org/roofstar-guarantee, or visit our Roofing Practices Manual at rpm.rcabc.org.LOCAL UNION NO. 280 About the Author:PRODUCTION, ROOFING & SHEET METAL JamesKlassenisaRoofStarTechnicalAdvisorandstaff Business Manager Jim Paquette writer with the Roofing Contractors Association of British Columbia.Asakeenproponentofvegetatedroofs,James Business Representative Ken Elworthy serves as a co-chair of the Green Roofing Information Think-Business Representative Richard Mangelsdorf tank (GRiT), contributes to education and policy development Business Representative Troy Clutchey for sustainable green roof design, and is involved on behalf Union Organizer Steve Davis ofRCABCinacollaborativeworkwithGreenRoofsfor Healthy Cities to develop green roofing professional curricula. Telephone: 604-430-3388Fax: 604-431-1864 He also writes for and manages the online Roofing Practices Toll Free: 1-800-242-8645 Manual, sits on numerous CSA task groups responsible for Web: www.smw280.orgEmail: info@smw280.orgvarious CSA roofing standards, and is a voting member of the A123 Technical Committee on Roofing. He is an experienced roofing estimator, a former Occupational Health and Safety professional and independent Insurance Claims Adjuster, and has extensive experience managing facilities and transportation for a large private school in British Columbias Fraser Valley.18lROOFINGBC l WINTER/SPRING 2021'