b"SCHCK NORTH AMERICADESPITE ITS COMPLEX FAADE, CHELSEA MET VANCOUVERS STRICT ENERGY-USAGE TARGETS THROUGH DESIGN CHANGES AND ENERGY-SAVING ELEMENTS SUCH AS STRUCTURAL THERMAL BREAKS.GRACEFUL GEOMETRIESOF CHELSEA RESIDENCEProtected from Thermal Bridging,Meet Strict Vancouver CodesBy Tracy Dacko, Marketing Manager, Schck North AmericaI n Vancouver, British Columbia,CITY ON THE up to six storeys, and they incorpo-Chelsea by Cressey DevelopmentGREEN VANGUARD rate the prescriptive requirements for Group, a 79-unit, six-storey resi- The City of Vancouver has institutedASHRAE 90.1, 2016 edition, calling dential project on 4675 Cambie St.,strict energy-usage targets, says Johnfor eliminating all thermal bridging in combines verdant surroundings withMarkulin, Senior Marketing Principalthe envelope, or taking an equivalent high-end amenities, resulting inat Kor Structural (formerly BMZperformance-based path. strong pre-construction sales.Structural Engineers), that require Its segmented and cantilevered design,meeting numerous thermal and energy- CHALLENGES OF A however, posed challenges in energyuse ratios. Vancouver's local codesCOMPLEX FAADEmanagement. One of the ways theexceed the British Columbia EnergyThe project comprises two obliquely design, engineering and constructionStep Code, as well as national standards.aligned six-storey buildings offering one- teams met the City of VancouversThey are the strictest building bylawsto three-bedroom units. Markulin notes new stringent energy requirements wasin the country, adds Dan Gronross,that Cressey Development and architects by using structural thermal breaks toBuilding Envelope Consultant withIBI Group decided on the two-volume Morrison Hershfield. They require prevent thermal bridging at balconies,at least R-22 thermal performance inplan to open up the site andeyebrows, parapets and planter walls.walls of multi-unit residential buildingsmaintain views.SPRING/SUMMER 2023 13"