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KEYNOTE SPEAKERS

STEPHEN BROWN, M.ENG., P.ENG., P.E.

Principal, Entuitive, Toronto, Ontario, Canada

stephen-brown

ICONIC TO UTILITARIAN BRIDGES IN THE GREATER TORONTO AREA

Wednesday, July 20th, 2022

Bridges, whether new or renewed, change the spaces we live in.  A bridge can link communities together, it can open new lands for development, or it can be re-imagined, bringing unused space a new life. Context-sensitive approaches to bridge design can lead to bridges that range from functional sculptures to least-cost structures that respond to the transportation demands alone, all being the right bridge for the site. This presentation provides examples of the range of approaches from projects recently completed in the Greater Toronto Area (GTA) and nearby areas in Ontario. It shows how each is an appropriate response to its site and purpose.

  • Port Lands Bridges: a family of sculptural and iconic bridges that will become a landmark symbol of the future community.
  • Milne Dam Bridge: designed to provide visual interest with its towers, the shapes of the piers, and the curved alignment of the structure, while providing a zip-line experience for the user.
  • Dalewood Bridge: a gateway to St. Thomas, the bridge sits well in a tight valley and serves both a road link and conservation area trails.
  • Gardiner Expressway Rehabilitation: complex engineering for functional bridge rehabilitation, facilitating rapid, high-quality replacement with minimized disruption.

Speaker’s Profile: Backed by over 41 years of experience in structural engineering, Stephen is known for his unique expertise in the design, construction, and restoration of buildings, pedestrian bridges, and vehicular bridges. He is particularly valued in the construction industry, providing innovative and efficient construction engineering solutions to complex erection challenges. His experience covers design, planning, feasibility studies, investigations, and contract preparation for projects across a wide range of sectors including transportation, commercial, retail, healthcare, and institutional. Notable projects include the Humber River Pedestrian Bridge in Toronto, which received the Governor General Award for Architecture, and an Award of Excellence from the Canadian Institute for Steel Construction. Other award-winning projects include the 650 m long Perley Bridge over the Ottawa River from Hawkesbury, Ontario to Grenville, Quebec, and the Mount Pleasant Visitation Centre. Stephen has also recently completed work on the UP Express air-rail link in Toronto, and the design of Burlington GO Station.

DON KENNEDY, M.A.SC., P.ENG.

Technical Vice-President, Associated Engineering Group, Burnaby, British Columbia, Canada

don-kennedy

CLIMATE CHANGE ADAPTION FOR TRANSPORTATION STRUCTURES – ITS IMPACT ON THE CANADIAN HIGHWAY BRIDGE DESIGN CODE AND EVOLVING PRACTICE

Thursday, July 21st, 2022

Climate change is impacting the design, construction, and performance of transportation infrastructure globally.  To engineers, owners, and the public, the most recognized impact is flooding and scour damage, causing bridges to collapse.  Weather and climate-related impacts on our built environment include warmer and fluctuating temperatures, more intense or repeated winds and rainstorms including atmospheric rivers, and ice storms.  The frequency, intensity, and consequences of these events have increased markedly in the last decade. The National Research Council and CSA Group embarked on a series of applied research projects to develop guidance for design adaptations for a changing climate.  The findings are in the hands of building and bridge code writers for implementation into the 2025 codes and commentaries.  This presentation focuses on bridges and related infrastructure and how the Canadian Highway Bridge Design Code will address the impacts of climate change.  Related questions include how this can be done economically, can climate change projections be captured in a limit state design framework, and how emerging extreme events, for which sufficient data doesn’t exist, can be addressed.  The presentation will also discuss what owners require from the engineering community for new and existing bridges, and how the materials and construction industries are responding.  Owners are also targeting emissions reductions in the planning, design, and construction of bridges.  How these issues can be implemented into the Canadian bridge code and projects will be presented.

Speaker’s Profile: Don has over 35 years of experience in the planning, design, and construction of new bridges, bridge and structure rehabilitation, seismic retrofit, bridge evaluation, forensic investigations into bridge failures.  His experience includes Canadian and international engineering experience in structural and earthquake engineering.  Don has authored many papers on seismic design and retrofit, codes, and performance-based design and rehabilitation. In recent years Don has collaborated with engineers and climate scientists within the consulting and academic communities, with the Canadian Standards Association, the National Research Council of Canada, Environment and Climate Change Canada, and industry leaders to further develop recommendations for implementing planning and design measures for climate change adaptation into 2025 Canadian Highway Bridge Design Code. Don is the current Chair of the CHBDC for Section 4, Seismic design of bridges.  He was the lead for the CSA Phase II project for the Development of Climate Change Provisions for the Canadian Highway Bridge Design Code (CSA S6:25) and Commentary (CSA S6.1:25).  He was awarded the R.A. McLachlan Memorial Award in 2019 by EGBC for his contributions to seismic engineering and climate change adaptation throughout his career.

JIANPING JIANG, PH.D., P.ENG.

National Practice Leader, Bridges & Civil Structures, WSP Canada, Vancouver, British Columbia, Canada

jianping-jiang

DESIGN AND CONSTRUCTION OF HIGHWAY 29 REALIGNMENT BRIDGES FOR BC HYDRO’S SITE C CLEAN ENERGY PROJECT

Friday, July 22nd, 2022

BC Hydro’s Site C Clean Energy Project is to build a third dam and hydroelectric generating station on the Peace River in northern British Columbia, Canada.  When completed, it will provide 1,100 megawatts (MW) of capacity and produce about 5,100 gigawatt-hours (GWh) of electricity each year — enough energy to power the equivalent of about 450,000 homes per year. The realignment of six segments of Highway 29 over a total distance of 30 kilometers is one of the key components of the project. Highway 29 realignment requires the design and construction of five new bridge crossings, ranging in length from 150 m to 1050 m, over a wide range of valleys and channels of the Peace River tributaries where various geohazards were identified including rare extreme landslide events that could generate fast-moving waves in the reservoir impinging large forces on bridges. A performance-based approach was used in the design of bridge structures under Landslide Generated Wave (LGW) impact loading. Bridges close to the dam have their decks elevated more than 50m above the existing ground with the tallest piers up to 47m. After being inundated by the reservoir, only about 10m of piers will extend above water level.  Many bridge elements were standardized including steel plate girders, precast deck panels, hollow pier columns, pile foundations, bearings, and joints for consistency among all bridges on the project.

Speaker’s Profile: Dr. Jianping Jiang is the National Practice Leader for Bridges and Civil Structures with WSP Canada. He is responsible for the firm’s Bridge Engineering Practice in Canada. Since 1982, he has gained diverse experience in the fields of project management, bridge design and construction, and design-build / P3. He has published over 47 technical papers in international journals and conference proceedings and was one of the key contributors to the two TAC Canadian Guides –Bridge Traffic and Combination Barriers (2010), and Sustainability Considerations for Bridges (2015). He has been a member of the CSA S6:19 Section 2 Technical Sub-Committee and Associate Member of the Technical Committee for developing the CSA S6:25 edition. Recently, he was appointed by CSA as the Chair of Subcommittee for developing CSA S7 Pedestrian, Cycling, and Multiuse Bridge Design Guidelines to be completed by 2023. Jianping has been actively involved with all phases of bridge engineering practices from planning to design and construction, and from inspection to rehabilitation and decommissioning. He has successfully completed many challenging bridge projects for both public and private sector clients, ranging from less than one million to over hundreds of millions in capital costs. He has designed and inspected various types of bridges including highway, railway, LRT, and pedestrian bridges in British Columbia, Alberta and overseas. Dr. Jianping is an expert and industry leader in bridge seismic analysis and design, complex bridge projects, and design-build and P3 delivery.

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