With more than 250 LEED projects in the works, Enermodal Engineering is Canada's most prolific green building consulting firm. The firm is responsible for two-fifths of all LEED Canada certified buildings.
In 2007, with the firm outgrowing its home office in Kitchener, Ont., the decision was made go all out with a new green building, which it labeled A Grander View. The goal: triple Platinum for New Construction, Commercial Interiors, and Existing Buildings: O&M. Working with contractor Melloul-Blamey Construction, structural/civil engineer MTE Consulting, and designer Robertson Simmons Architects, the company last year completed the first triple LEED Platinum building in the world.
The narrow, 2,150-sm building-it stretches only 12 meters across, to allow plenty of daylight-was designed to use only 65 kWh/sm, an 80% savings over conventional buildings. The building tracked at 70 kWh/sm over the first eight months of use, most of that during a frigid winter.
The mechanical system brings outdoor air in through concrete earth tubes and tempers it, thereby decreasing energy use. In winter, heat and moisture recovered from exhaust air is transferred to the incoming air through energy recovery ventilation units; the ventilated air is then delivered to building occupants. The process is reversed in summer, so only one system is needed.
The building is heated and cooled by three roof-mounted air-source pumps; they are connected to 60 small fan coil units in a “multi-split” system that give occupants greater control of temperature and humidity in their work areas. The M/E system employs variable-flow compressors to pipe refrigerants to the pumps at very low speeds, again saving energy. Other green features include:
- 24 rooftop PV panels that provide 5.5 kW peak electricity. Enermodal took care to mount the panels on concrete pads in order to maintain the watertight roof membrane.
- A system to recapture heat pump condensate for flushing toilets; to date, the building is saving 89% on water use.
- A vegetated parking island, part of an elaborate system to treat and return cleaned-up stormwater to the municipal system.
- Innovative use of salvaged materials: stone from a demolished church for the first-floor façade, beech flooring from a demolished building, and a retaining wall from a demolished tunnel.
The firm says that total construction costs were about 10% greater than in a conventional building, but that premium will be paid back in less than 10 years through energy and water savings. The firm went out of its way to address community concerns. Enermodal purposely chose an urban infill site along the Grand River in a neighborhood that was undergoing revitalization. Working with community groups and the city, the firm extended a river trail along its property and agreed to maintain this portion of the trail. BD+C
PROJECT SUMMARY
Special Recognition
A Grander View
Kitchener, Ont.
Building Team
Submitting firm: Enermodal Engineering Ltd. (owner, LEED certification,
M/E engineering, commissioning)
Architecture consultant: Robertson Simmons Architecture
Structural/civil engineer: MTE Consulting
Contractor: Melloul-Blamey Construction, Inc.
Related Stories
Architects | Aug 19, 2015
Despite dip, architecture billings remain strong
The American Institute of Architects (AIA) reported the July ABI score was 54.7, down a point from a mark of 55.7 in June.
Architects | Aug 17, 2015
Historic power plant converted to modern offices in Minnesota
A landmark power plant in Owatonna, Minn., damaged in a 2010 flood has new life as the headquarters of Owatonna Public Utilities following a renovation by architects Leo A. Daly.
High-rise Construction | Aug 11, 2015
Calatrava's Turning Torso wins CTBUH's 10 Year Award
The 623-foot, 57-story tower was the world's first twisting skyscraper. Completed in 2005, the building, designed by Santiago Calatrava, rotates 90 degrees along its height.
Architects | Aug 11, 2015
Architecture firm compensation trending upwards
Latest AIA compensation survey finds average compensation for staff positions up 3.5 percent from early 2013
Architects | Aug 11, 2015
12 architecture schools join NCARB's 'speedy path to licensure' program
For architecture students, a license to practice may soon be available as early as graduation day
Architects | Aug 10, 2015
HDR expands its Canadian presence through merger with CEI Architecture
Public-private partnerships are expected to be one of the combined entity’s strengths.
Retail Centers | Aug 10, 2015
Walgreens’ flagship in Hawaii harkens back to the island’s fishing culture
A house where canoes were made served as the model for this drug superstore’s design.
Giants 400 | Aug 7, 2015
GOVERNMENT SECTOR GIANTS: Public sector spending even more cautiously on buildings
AEC firms that do government work say their public-sector clients have been going smaller to save money on construction projects, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
K-12 SCHOOL SECTOR GIANTS: To succeed, school design must replicate real-world environments
Whether new or reconstructed, schools must meet new demands that emanate from the real world and rapidly adapt to different instructional and learning modes, according to BD+C's 2015 Giants 300 report.
Giants 400 | Aug 7, 2015
MULTIFAMILY AEC GIANTS: Slowdown prompts developers to ask: Will the luxury rentals boom hold?
For the last three years, rental apartments have occupied the hot corner in residential construction, as younger people gravitated toward renting to be closer to urban centers and jobs. But at around 360,000 annual starts, multifamily might be peaking, according to BD+C's 2015 Giants 300 report.
