Liu Returns to HNTB as Senior Tech Advisor

Written by Andrew Corselli, Managing Editor
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Jason Yunlong Liu, Ph.D., P.E., recently returned to HNTB Corp. as Senior Technical Advisor in the Seattle tunnel ventilation and fire life safety engineering group.

Liu, who previously worked with HNTB on Seattle-area projects between 2011- 2016, will be based in the firm’s Bellevue office. He aims to deliver tunnel ventilation engineering design and analysis across the United States. With more than 20 years of experience in the field, Liu “has overseen the successful delivery of multiple tunnel ventilation projects from engineering through construction.”

Liu has led the concept design of tunnel ventilation systems and conducted detailed ventilation and fire safety design for road and railway tunnels. He has contributed to more than 100 infrastructure, commercial, industrial and residential developments across Australia, Canada, China, New Zealand, Saudi Arabia, Switzerland, Turkey and the U.S.

HNTB noted that Liu’s notable projects include detailed fire and life safety designs for Brisbane Airport Link Tunnel project, Melbourne Metro, Perth Rail Airport Link Tunnel, Sydney North Connex and West Connex Road Tunnel projects in Australia; Riyadh Metro Line 2 and Line 2 certification on behalf of the owner in Saudi Arabia; independent verification of Istanbul Cross Strait Tunnel Tube Project of Turkey; and the CFD analysis of the tunnel ventilation and fire-life safety design for Shenzhen Metro Line 4 in China.

Liu “was a post-doctoral fellow in mechanical engineering at University of Hawai’i at Manoa. He holds a Ph.D. in mechanical engineering from Tsinghua University, as well as both a Master of Science and a Bachelor of Science in mechanical engineering. He holds certification licenses in New South Wales, Queensland, Victoria States in Australia, in the fields of mechanical engineering and fire safety engineering and is active in industry organizations. Most recently, he was elected as a Fellow of Engineers Australia.”

“Jason brings knowledge, expertise and a commitment to innovation and safety,” said Kevin Collins, P.E., HNTB office leader and vice president. “His national and international tunnel ventilation experience provides our clients with innovative approaches and reinforces HNTB’s role as a leader in the tunnel ventilation industry. We are pleased to welcome Jason back to HNTB.”

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