RWDI

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RWDI
Type Private
Founded 1972
Headquarters Guelph, Ontario
Key people Michael Soligo, President
Industry engineering consulting
Employees ca. 350
Website www.rwdi.com

Established in 1972, Rowan Williams Davies & Irwin Inc. (RWDI) is an internationally recognized specialty consulting engineering firm. The RWDI group of companies has over 350 employees with offices in Canada, USA, United Kingdom, India and the Middle East.

RWDI is one of the world's leading wind engineering consulting firms and has featured on numerous television documentaries. The firm's facilities include four boundary layer wind tunnels, an open channel water flume, MM5 computer models for simulationing atmospheric weather conditions and advanced computer modeling capabilities including computational fluid dynamics (CFD). RWDI also has in-house model shops at each of its wind tunnel facilities that use stereolithography technology, integrated data acquisition, storage and processing systems, computer-aided drafting, and a broad base of specialized instrumentation. The firm is best known for its work on high profile projects including the London Millennium Bridge, International Commerce Centre (Mega) Tower in Hong Kong, Petronas Towers in Malaysia, Freedom Tower on the WTC Site, the second span of the Tacoma Narrows Bridge, Taipei 101 Tower - which is currently the world's tallest building - and the proposed mega-skyscraper Burj Dubai.

Its sister company, Motioneering Inc., develops conceptual designs and undertakes the detailed design of special damping devices to suppress wind-induced vibrations. Its highest profile project to date is probably the world's largest tuned mass damper located on the 88th floor of the Taipei 101 Tower - weighing a total of 660 metric tonnes. Motioneering was also responsible for the world's first strong-motion seismic tuned mass damper located on ExxonMobil's Sakhalin-I oil platform and the world's largest tuned liquid column damper (TLCD) located in the Comcast Center office tower in downtown Philadelphia.

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