Check out the CaGBC/SABMag 2021 Atlantic FOCUS in brief

Highlights of the 2021 issue
The Fall, 2021 issue of Atlantic FOCUS has just been mailed, and the highlights are shown below.
If you wish to receive the printed Atlantic FOCUS Spring and Fall issues, reply to
Visit the SABMag Booth #1646 at The Buildings Show
Dec 1-3, Metro Toronto Convention Centre.

Details here.
Materials selection elevates buildings
Increasingly, manufacturers are offering more sustainable, durable, and resilient materials which can help project teams earn credits towards certification for rating systems and standards such Leadership in Energy and Environmental Design (LEED®) or CaGBC's Zero Carbon Building (ZCB) Standard®. Experts unanimously agree that sustainability documentation from manufacturers, such as Environmental Product Declarations (EPDs) or Heath Product Declarations (HPDs), is an expectation and builders and project teams value its convenience. Through EPDs, the Sourcing of Raw Materials, and the Material Ingredients credits, project teams can be rewarded for their responsible products selection, helping them deliver on projects that reduce energy costs and impact on the environment.
Nova Centre and Halifax Convention Centre
LEED Gold project engages public and sets standard for new development
By Mary Ellen Read, Northern Front Studio
By Neil Munro, IBI Group
The Nova Centre and Halifax Convention Centre is a first-of-its-kind facility in Atlantic Canada. The $500 million, 1 million sq. ft. project received full LEED Gold certification in 2020, a significant achievement for a building of this magnitude and complexity. The Nova Centre anticipates a 28.3% reduction in energy cost and a 40% reduction in energy intensity compared to a reference building. A total of 35% of anticipated annual electricity use is offset through renewable energy credits. DriSteem supplied an XT series electrode humidifier which requires minimal maintenance. The Flynn Group of Companies included 182,839 sq. ft. of curtainwall consisting of 74 modules of unitized curtainwall that are an impressive 34 feet in height. Prelco supplied: LoE366 insulating glass units, which deliver a balance between high visibility and solar control, spandrel glass of the three fist floors, and the interior glass railings.
CaGBC Awards celebrate Canadian projects and innovators
CaGBC recently announced the winners of the 2021 CaGBC Awards. The annual awards celebrate the projects and leaders transforming Canada's building sector by accelerating and scaling buildings with exceptional performance across environment, carbon emissions and human health factors. "This year's submissions speak volumes about the passion, dedication and innovation of the green building sector," said Thomas Mueller, President and CEO of CaGBC.
The ReCover Initiative
A deep energy retrofit methodology to cut energy use and upgrade ageing buildings
By Emma Norton, Nick Rudnicki and Lorrie Rand
The ReCover Initiative is a deep energy retrofit methodology that can be implemented at a large scale to reduce GHGs emissions from existing buildings. Our team performed a pilot design, with the support of Quest Canada and the Nova Scotia Department of Energy and Mines, to demonstrate the potential reductions in energy consumption and GHG emissions through a deep energy retrofit of a low-rise multi-unit residential building pilot building in Halifax. It uses a systematic, turnkey approach to affordable deep energy retrofits, developed in the Netherlands, called Energiesprong ("energy leap"), and involves wrapping the building in a new prefabricated skin and replacing the mechanical systems with smaller, more efficient components. It allows occupants to remain in their home throughout the work, and reduces risk and costs to the contractor and owner.
Bay View House
Perfect fit retirement home a top performer

By Mike Anderson, Passive Design Solutions
With the clients interested in downsizing and creating a retirement-friendly home this one-story, three-bedroom house was the perfect fit. The double-wall building envelope of this Passive House project is super-insulated, airtight, and thermal bridge free. By optimizing the assemblies using the WUFI Passive energy modelling software, energy performance of the envelope is balanced with cost. Factory finished Cape Cod Siding Cedar shingles supplied by Marwood Ltd., and a standing seam aluminum clear-coated roof by Premier Metals, deliver longevity and low maintenance. Kohltech Windows & Entrance Systems supplied a mixture of casement, picture, and trapezoid shape windows with its exceptionally energy-efficient Triple Energlas Plus glass. The ENERGY STAR® HRV by Fantech supplies 180 cfm of outdoor, filtered air while removing moist, stale air. EPS insulation by TrueFoam, used under the floor slab and at the underside of the roof trusses, maintains the integrity of the building envelope.
Decarbonizing cement
By Jeff Ranson, Senior Associate, CaGBC
Of all the opportunities to reduce embodied carbon in building materials, the most significant is in concrete. There are two opportunities to reduce emissions from concrete. The first is simply to minimize the amount of concrete projects use, which involves looking at how much is required for the project and optimizing its use. The second is to specify concrete with lower embodied carbon, such as that which incorporates fly-ash. Cement companies are also innovating in their manufacturing process to minimize the emissions related to fuel use. Specification of low-carbon concrete will be aided by the publication of environmental product declarations (EPDs). There is also the potential to use captured carbon in concrete by adding carbon dioxide into cementitious materials, which could create an economic opportunity for carbon capture.
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