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This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

This program explores the impact stack effect has on tall buildings. The first speaker explores measured temperature and pressure effects on these tall structures under varying conditions and multiple cities across the U.S. and Canada. The second speaker addresses design basis variations to counteract stack effect in new tall buildings and discusses the potential impact of uncontrolled stack effect on systems design and building's energy performance. The third speaker discusses the problems caused by stack effect in an existing building and what solutions for correction of these problems has been proposed.

1. Measured Temperature and Pressure Effects on Tall Structures.Duncan Phillips, Ph.D., P.E., Associate Member, RWDI, Guelph, ON, Canada

2. Design Basis Variations to Counteract Stack Effect in New Tall BuildingsMehdi Jalayerian, P.E., Member, Environmental Systems Design, Inc., Chicago, IL

3. Lessons Learned from Stack Effect Problems in an ExistingBuildingJohn Carter, Member, CPP, Fort Collins, CO