Needles bridge crossing: managing design risk of a long term infrastructure investment.

Author(s)
Furtado, G. Porterfield, D. & Steunenberg, M.
Year
Abstract

In 2003, the British Columbia Ministry of Transportation initiated a design competition for the detailed design of the Needles Bridge crossing over Arrow Lake. When constructed, this bridge will be the longest fixed link lake crossing in the province at a length of 1087 m. This paper describes the unique design methodology and risk management approach employed during the recent design competition project, and presents some of the significant challenges and constraints faced during alignment optimization. Geometric design played a key role in the overall design economy of this large structure. A bathymetric survey was combined with conventional survey data and used to optimize the subsurface and shoreline horizontal geometry. The survey amalgamation improved the overall economy through minimized pier heights and optimal positioning of the navigation span. For the covering abstract of this conference see ITRD number E211426.

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Publication

Library number
C 42741 (In: C 42681 CD-ROM) /10 /24 / ITRD E211487
Source

In: Transportation : investing in our future : proceedings of the 2005 annual conference and exhibition of the Transportation Association of Canada TAC, Calgary, Alberta, Canada, September 18-21, 2005, 15 p., 5 ref.

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