HALIFAX — A new museum in Edmonton and a replacement bridge in Chilliwack, B.C. were the winners of major awards as the Canadian Design-Build Institute (CDBI) handed out its 2018 Awards of Excellence at the CDBI’s recent annual conference in Halifax.
The winner in the buildings category was the recently opened Royal Alberta Museum, while the winner in the major structural project category was the Vedder Bridge Replacement Project, an Oct. 12 release said.
The Royal Alberta Museum was completed on time with minimal change orders. The owner was Alberta Infrastructure, the design-builder was Ledcor Design-Build (Alberta) Inc. and the consultant was Dialog and Lundholm Assoc.
The contract used was the CDBI-recommended CCDC 14 — Design-Build Contract with a “not to exceed” budget of $260 million. To promote an integrated design process, the team co-ordinated its efforts using Building Information Modeling (BIM) right from the start of the submission, which facilitated evaluation of alternative solutions and element co-ordination, the statement explained.
Engineering features included the use of poured concrete and structural steel large span spaces, both favourable to budget control, said the CDBI. Special elements include the feature cast-in-place spiral staircase and cantilever overhangs. The mechanical and electrical systems needed by the museum’s changing exhibits and events required a significant operational flexibility both in temperature and humidity control.
The Vedder Bridge project involved the replacement of a 1947-constructed steel girder bridge with one with wider traffic lanes and shoulders as well as two additional lanes. The owner is the City of Chilliwack, the design-builder was Emil Anderson Construction (EAC) Inc. and the consultant was Klohn Crippen Berger Ltd./Urban Systems Ltd.
The selection for the replacement design-build project was a two-stage process: a request for expressions of interest followed by a request for proposals, the release said.
Funding from senior levels of government was based on a budget for a steel girder bridge but the City of Chilliwack wanted a more esthetically pleasing steel arch structure, explained the CDBI. The final decision to choose the steel arch was made by city council at the time of proposal acceptance.
The design-build team led by Emil Anderson proposed an approach that controlled the cost while meeting the city’s design requests, the release explained. The city selected the winning team based on price (55 per cent) as well as design innovation (45 per cent).
The designers, Klohn Crippen Berger, developed an engineering concept for the erection of the new structure and the demolition of the existing structure that avoided in-stream temporary works. This minimized both environmental impact and cost and made scheduling more reliable, explained the statement.
“It’s is a pleasure to highlight these design-build projects that not only got the job done in time and on budget, but include a high level of innovation,” said Gary Bale, CDBI chair. “The results underscore the benefits of design-build — the team approach — as a project delivery method.”
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