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People boarding a train at Court House Station in Arlington, Virginia (W. Raymond Keng, FTA) |
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Overview The Subway Environment Simulation (SES) Computer Program and Subway Environmental Design Handbook were developed in the early 1970's under sponsorship of the Urban Mass Transportation Administration (former name of the Federal Transit Administration) to assist in the planning, design, and construction of subway ventilation systems. The SES fulfilled an unmet need in the transit engineering community, and has been widely used in the design of new rail systems or line extenstions in: Washington, District of Columbia; Atlanta, Buffalo, Baltimore, Dallas, Los Angeles, San Francisco, Montreal, Toronto, the Seattle Bus Tunnel, and in rail transit systems around the world. The SES provides tunnel designers with the tools to: properly size and locate ventilation shafts, evaluate tunnel geometry and fan size, optimize temperature, and model the effects of heat and smoke resulting from fires and other sources. The most recent enhancement is the validation of the subroutine which describes the behavior of smoke in emergency conditions.
In mid-1998, SES Version 4 (SESv4) was released, along with an updated User's Manual. SESv4 was designed to operate on a personal computer. It requires a Pentium processor and 64 Megabytes (MB) of Random Access Memory (RAM). It has a front end graphical user interface and runs under Windows 95 or NT operating system.
Current status: This software is no longer publicly available.
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Related Resources
American Public Transit Association (APTA)
Community Transportation Association of America (CTAA)
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Contacts
Please submit questions or comments regarding Transit Research and Technology Programs to:
Terrell Williams Office of Technology, TRI-20 Federal Transit Administration 400 7th Street, SW Washington, DC 20590 202-366-0232 Terrell.Williams@dot.gov
Alison Thompson Volpe National Transportation Systems Center, RTV3-D U.S. Department of Transportation 55 Broadway, Kendall Square Cambridge, MA 02142 617.494.2108 Alison.Thompson@volpe.dot.gov
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