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9/22/02 for APTA Annual Meeting, 2002
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Professional Society Standards
Jim DietzChair, Rail Transit Vehicle
Interface Standards Committee
9/22/02 for APTA Annual Meeting, 2002
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Overview
• Consensus standards process• Benefits of standardization• Rail Transit Vehicle Interface
Standards Committee• How to get involved
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Consensus Standards Process- ANSI -
• American National Standards Institute
• Founded in 1918• Private, non-profit organization• Administers and coordinates U.S.
voluntary standardization and conformity assessment system
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Consensus Standards Process
- National Standards -• ANSI doesn’t develop standards• ANSI facilitates development• Consensus, due process and
openness• More than 175 accredited entities• www.ansi.org for more information
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Consensus Standards Process
- IEEE Standards Association -• One entity producing standards
• Audited for conformance to ANSI requirements (e.g. consensus)
• Standards to provide common ground for communication in specific areas of electrotechnology
• Each standard must have a sponsor
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Consensus Standards Process
- RTVISC -• Rail Transit Vehicle Interface
Standards Committee• Sponsors individual standards• Facilitates working groups
(More on RTVISC later)
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Consensus Standards Process
- Overview relative to IEEE Rail -
ANSIAssures
conformity
Professional Societies
Development process
SponsorBroad review and balloting
Working Group Draft the text
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Benefits of Standardization- Safety -
• 2.5 billion light rail and subway passengers each year
• 4 times as many passengers as US airlines
• Safety has both project specific and universal aspects
• Draw on the whole rail community
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Benefits of Standardization- Control Costs -
• Rail applications are known for customization
• With standardization:– Reduced design cost– Reduced risk/contingency dollars– Minimize single sources– Improved reliability– Reduced maintenance training
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Benefits of Standardization- Regulatory Participation -
• National Technology Transfer and Advancement Act (Public Law 104-113)
• Federal agencies must use, wherever possible, technical standards developed by consensus standards organizations
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Benefits of Standardization- Credibility -
• Standards have a legal standing• Use of standards may help manage
liability
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RTVISC- History -
• Rail Transit Vehicle Interface Standards Committee
• Founded in 1996: Tom McGean, Chair
• Fifty member committee• More than 300 professionals have
participated in working groups
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RTVISC- Recent Transition -
• Originally funded as a Transit Cooperative Research Program (TCRP) project
• The process works! (no longer “research”)
• Funding shifted to APTA in 2002• Chair shifted to Jim Dietz in 2002
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RTVISC- Organization -
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RTVISC- IEEE Standards Published -
• 11: Rail Vehicle Motors• 1473:Communications Protocol• 1474.1: CBTC Performance Requirements• 1482.1: Event Recorder• 1483:Verification of Vital Functions• 1475:Prop. Braking & Master Control• 1476:Auxiliary Power Systems• 1477:Passenger Information• 1478:Transit Car Environment
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RTVISC- General Standards In
Process -• P-1544: Rail TCIP• P-1536: Battery Physical Interface• P-16: Electrical/Electronic Control• P-1558: Software Documentation• P-1568: NiCad Battery Performance• P-1570: HRI Standards• P-1474.2: Graphical User Interface• P-1582: Wayside CBTC Environmental• P-1482: Maintenance & Diagnostics• P-1612: Comm. To/From Rail Vehicles
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RTVISC- Overhead Contact Systems
-• P-1629: Overhead Current Collectors• P-1627: OCS Grounding Practices• P-1626: OCS Insulation• P-1628: RP for Overhead Maintenance• P-1630: OCS Structures
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RTVISC- Liaison -
• ASME RT-1 - Light Rail Crashworthiness
• ASME RT-2 - Rapid Rail Crashworthiness
• HVAC via ASHRAE - Under formation• IEC TC9• Automatic People Mover Committee
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RTVISC- New Thrusts -
• Traction Substations– Under formation
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How to get involved
• RTVIS Committee, Sub-Committees, and Working Groups
• Web site – www.tsd.org/rsc• Jim Dietz – [email protected] at IEEE
[email protected] at LTK
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References
• IEEE web site – www.ieee.org• ANSI web site – www.ansi.org• Thomas J. McGean, Consensus
Standards for the Rail Transit Industry (TCRP Research Results Digest, November 2001-Number 44)
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Professional Society Standards
- Summary -• There is a rigorous consensus
standards process in the US• Professional societies are at the
forefront of standards development• Rail standards development activity
in the US is very high• Care to help?
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Professional Society Standards
