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J UNE 2018 | 51 PHOTOGRAPHY COURTESY UNIVERSITY OF OTTAWA STEM Building – University of Ottawa The building's interior is a ser- vice-intensive space that includes a hydraulics lab in the basement with a 300,000-litre reservoir beneath and two 8,000-gallon-per-minute pumps that serve hydraulic flumes in the lab. Brian Johnson, structural engineer for Cleland Jardine Engineering, says the heavy duty civil engineering labs were an interesting challenge for the team. "Those labs are resting on a four- foot-thick suspended concrete slab called a strong floor, to resist the test loads and meet the requirements of the user group," he says. Ties run across the floor structure, which is heavily reinforced with a grid of passthrough sleeves for bolting down structural members for testing purposes. "There are also some underground tunnels containing services for the University and infrastructure, and we had to work within those, recon- figure a few, and rebuild a few," says Johnson. "There were modifications to the power house to allow the connec- tions to the new building. The LRT had right of ways in the area and so we had to change the excavation extents and shape of the building." Brun del Re added the excavation "was a big dig," requiring operation almost 20 hours per day, six days per week. Johnson agrees. "On a normal proj- ect of this size, scope and scale it would normally take a year to set up that level of detail drawing and programming," he says. "We finished the structural aspect in four months. The big chal- lenge there was constructing the structure long before the mechanical and architectural designs were fin- ished. We started on the foundations while we were still designing the upper floors." Brun del Re says the progress was impressive, requiring exemplary col- laboration for the duration. "Even at the start, we had 23 pre- cursor projects to move out the occupants of the previous building prior to demolition," he says. "These included many wet labs and sensitive instruments. We are very proud of the project team and the trades that were retained. They were all engaged and focused on the delivery, while main- taining very high quality. "The whole team contributed to the ongoing value engineering efforts to manage costs and optimize every sequence and process." To which Johnson adds: "This could not have been accomplished without a focused and integrated design approach, as well as the tremendous efforts of the entire project team including the University, PCL, Perkins + Will, CBRE and BPA. Everyone was dedicated to successfully completing this challeng- ing task," he says. A LOCATION 150 Louis-Pasteur Private, Ottawa, Ontario OWNER/DEVELOPER University of Ottawa PROJECT MANAGER CBRE Ltd. ARCHITECT Perkins + Will Canada GENERAL CONTRACTOR PCL Constructors Canada Inc. STRUCTURAL CONSULTANT Cleland Jardine Engineering Ltd. MECHANICAL/ ELECTRICAL CONSULTANT Bouthillette Parizeau & Associates Inc. GEOTECHNICAL CONSULTANT Golder Associates LANDSCAPE ARCHITECT Lashley + Associates TOTAL SIZE 213,000 square feet TOTAL COST $157 million Fives Services.indd 1 2018-05-10 12:00 PM 1:16 PM 9:23 AM 11:45 AM

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