Karla Avis-Birch, P.Eng., is VP of @GOtransit stations capital delivery for @Metrolinx and was appointed by @INFC_eng to the team overseeing #construction of the @GordieHoweBrg. Survey and plan before creating an O&M programme. It is a priority for CBC to create a website that is accessible to all Canadians including people with visual, hearing, motor and cognitive challenges. Five people were killed when the de la Concorde Blvd. It notes that even though the Ministry (MTQ) staff were aware that the Concorde overpass was an unusual structural design that posed particular problems … Follow the instructions to update your password. I was reading through the report issued by the Commission of Inquiry on the collapse, which clearly states that the failure mode is a shear failure of the thick slab (given how the thick slab did not possess any shear reinforcement.) A commission of inquiry was quickly established and reported in October 2007. September 2020 data for the Americas and China. De la Concorde overpass collapse happened in 2006. Here's a look at some of the important dates in the overpass's history. It requires consideration of aspects beyond many codes: buildability, required supervision levels, ease of maintenance and whole-life costings. A public inquiry headed by former premier Pierre Marc Johnson is trying to determine what caused the de la Concorde overpass to fail halfway through its intended 70-year lifespan. Guidance for construction project success. The need to undertake an assessment of highway structure proposals from a holistic perspective stands out from this incident. Friday marks the fifth anniversary of a deadly overpass collapse in Laval. Erin Bird, P.Eng., is a leader in the @cityofcalgary's corporate #engineering and #energy division of corporate analytics and innovation. They reflected both technical shortcomings and human failings: the latter amounted to negligence in respect of the construction, and serious lapses in the management of the structure throughout its life.

Puierre Obendrauf, Gazette files  Enter your email address below By clicking "Create Account", I hearby grant permission to Postmedia to use my account information to create my account. Report from The Carbon Project reveals shortcomings and recommendations. You can find out about our cookies and how to disable cookies in our Privacy Policy. Close. The calls varied in tone and length, but were all for the same reason: people could see concrete debris either falling from the de la Concorde Blvd.

CIOB conducts global search for best built environment picture. The expansion joints could not be inspected without lifting the deck, yet because they were highly exposed, they were critical zones. The De la Concorde overpass collapsed on Sept. 30, 2006, killing five people and injuring six others. to colleagues, clients or customers, or inquire about It notes that even though the Ministry (MTQ) staff were aware that the Concorde overpass was an unusual structural design that posed particular problems because it could not be inspected properly, the staff failed to pay it the necessary attention. On September 30, 2006, the De la Concorde bridge over Highway 19 fell, killing five people and injuring six others. Postmedia wants to improve your reading experience as well as share the best deals and promotions from our advertisers with you. According to the report, a 'chain of causes' led to the collapse of the overpass, but no single person or group can be held responsible for the disaster. overpass in Laval fell on Sept. 30, 2006. @ACECCanada @CdnConsultEng #engineeringnews, October 22, 2007   Traffic reporters were advised at 11:35 a.m., the transport department made a visual inspection just before noon and police reported a second fallen chunk at 12:33 p.m. At 12:37 p.m., a 20-metre section of the structure collapsed onto the highway below, crushing several vehicles down to the level of rescuers' ankles. We've sent you an email with instructions to create a new password.

overpass in Laval fell on Sept. 30, 2006. presentation-ready copies of Toronto Star content for distribution Get the Firefox add-on to access 20,000 definitions direct from any website, Share your construction industry knowledge, Related articles on Designing Buildings Wiki, Inquiry into the construction of Edinburgh schools view of the RIAS, Structures at the end of their design life, https://www.designingbuildings.co.uk/wiki/De_la_Concorde_overpass_collapse, Deterioration over its life as a consequence of poor.

1. No one shortcoming was dominant in the cause of the collapse: it resulted from an accumulation of shortcomings over time.

The structure was innovative for its time in the manner in which the central span was designed – allowing a single span over the roadway. Required fields are marked *, Toronto-based consulting #engineering firm @TheHIDIGroup has hired an #AV manager: https://bit.ly/34S7EE9, Meet the #CCEAwards judges! Forward-looking authorities are using these guides to manage infrastructure effectively with regard to relative risks. Star Newspapers Limited and/or its licensors. Please check your inbox and follow the instructions to confirm your email. {* #signInForm *} An inquiry learned that signs of the collapse had been spotted an hour before the viaduct came down. That is exactly what happened for the la Concorde Bridge. A public inquiry headed by former premier Pierre Marc Johnson is trying to determine what caused the de la Concorde overpass to fail halfway through its … epaper, Digital Access, Subscriber Rewards), please input your Print Newspaper subscription phone number and postal code. De la Concorde overpass: Before and after the collapse, CBC's Journalistic Standards and Practices. The overpass consisted of prestressed concrete box girders that crossed over Autoroute 19 below with a single span. #engineeringnews #CCEmag, Just three weeks away! Five people were killed when the de la Concorde Blvd. As a consequence, the maintenance inspection standards, and associated quality controls for highway bridges, have been reviewed throughout Canada. Sorry, we could not verify that email address. Will American voters living in Canada make a difference? {* signInEmailAddress *} One person died in that collapse. The De la Concorde overpass collapse occurred at a bridge over Quebec Autoroute 19 near Montreal, Quebec, Canada, at midday on September 30, 2006.On that Saturday, around 12:30 pm, the center section of the south lane of an overpass (65-foot or 19.8-metre section of a three-lane overpass) collapsed in Laval, a suburb of Montreal, on Boulevard de la Concorde running over Autoroute 19. rights reserved. Solution 2: Separate jurisdictions for inspections. According to the inquiry's report following the collapse, the work done in 1992 "weakened the structure.". This independent jurisdiction should have full power to close a structure or a bridge. To order copies of Please enter your email below, and we'll send you a new code to reset your password. I consent to the collection, use, maintenance, and disclosure of my information in accordance with the Postmedia's Privacy Policy. Advice on how to join the electrotechnical profession. The box girders at the central part of the deck rested on beam seats located at the end of the cantilevers, directly under the expansion joints. Your email address will not be published. During a news conference on Sunday, Quebec premier Philippe Couillard apologized on behalf of the government to all the relatives and friends of victims “who still live with all the pain that this incident has caused.” The social impact of the built environment. Government position on removal of controversial structures. Newspapers Limited, One Yonge Street, 4th floor, Toronto, ON, M5E 1E6. We use cookies to ensure we give you the best experience on our website. Copyright owned or licensed by Toronto Star Newspapers Limited. Sorry, we could not verify your email address. The Commission gave early warning to the authorities of shortcomings they had discovered in the design standards for thick slabs without shear reinforcement in the presence of concrete deterioration. Your existing password has not been changed. The contract for the De la Concorde overpass in Laval was awarded in 1968 and by 1980, the first reports of problems began to emerge. After the de la Concorde overpass collapse two weeks ago, Premier Jean Charest named former Quebec premier Pierre-Marc Johnson to head an inquiry into the disaster. This copy is for your personal non-commercial use only. expressly prohibited without the prior written consent of Toronto Audience Relations, CBC P.O. Please confirm your details below. 32 people were killed in the collapse [source: Korea National Emergency Management Agency]. / Gazette files. The commission found three major causes contributed to the overpass failure: While the highways and subsequent overpasses belong to the Quebec government, the City of Laval has made a concerted effort to do its own inspections annually. The box girders were side by side, resulting in a uniform surface underneath the central span, which rested on a beam seat that was continuous over the entire width of the bridge. The report says “To sum up, the de la Concorde overpass was a unique, vulnerable structure. Bonin's testimony comes on the second day of the public inquiry into the collapse of the de la Concorde overpass. Bookmark this link for the live event and find out who will win this year's awards: https://vimeo.com/event/353024/b8a288dac1, Meet the #CCEAwards judges! RE: Revisiting the de la Concorde overpass collapse cooperDBM (Structural) 12 Aug 08 11:37 The poor detailing (actually poor placement I think) allowed a horizontal plane to crack between the top long. I also accept and agree to be bound by Postmedia's Terms and Conditions with respect to my use of the Site and I have read and understand Postmedia's Privacy Statement. 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