The Development of Standards for the Rail Transit Industry

Project TCRP G-4

APTA Rapid Rail Conference

June 2000 - St. Louis

Thomas J. McGean, P.E.

TCRP G-4 PROGRAM• Project Begun in 1996• Sponsored by FTA, Administered by TRB and TDC

(APTA)• Approach

– establish an institutional framework for developing transit standards within IEEE and ASME engineering societies

– demonstrate the process by developing one or more needed standards

WHY TCRP G-4 USES ENGINEERING SOCIETIES?• Automatic ANSI Certification• Complies with PL 104-113 & OMB A-119• Rules, Procedures & Oversight already in place

at no cost to transit industry• Professional standards experts available to assist

at no cost• Large reservoir of existing case law• IEEE & ASME assume standards liability risk

CONSENSUS STANDARDS PRINCIPLES

• Must be present to meet PL 104-113– Due Process– Openness– Consensus– Balance– Right of Appeal

PROJECT FACT SHEET• FY 00 Budget

– $175K Facilitation/Management– $125K Transit Agency Travel

• Number of Working Groups– IEEE 15 ASME 2

• Transit Professionals involved - 300– 90 transit agency 100 supplier 70 consultant 40 other

• Leverage of TCRP Dollars - 7.6/1• Standards Published to Date - 7• Estimated Annual Savings - $1/3 billion

• How Standards Save Money – rationalize procurement process– reduce “custom engineering”– simplify maintenance activities– reduce spare parts inventory– reduce training costs

• Introduction of Microprocessors Makes All of These More Critical– IEEE 1473 Alone Estimated to Save NJT $420K/year

KEY STANDARDS PUBLISHED TO DATE

• IEEE 1473-1999 Communications Protocol• IEEE 1474.1-1999 Communications Based Train

Control Performance & Function• IEEE 1482.1-1999 Event Recorder • IEEE 1475-1999 Propulsion, Braking & Train Control

IEEE 1477-1998 Passenger Information • IEEE 1483-2000 Software Verification • IEEE 1476-2000 Auxiliary Power Interface • IEEE 11-1999 Electric Motors

Other TCRP G-4 Standards• Environmental - Being balloted• LRV Crashworthiness - Being balloted• Rail TCIP - Underway• Battery Physical Interface - Underway• Software Documentation - Underway• Electronic Control - Underway• Railcar Structural - Being formed• NiCad Battery Peformance - PAR stage• HRI - PAR stage• Central Control CBTC Graphic Interface - PAR stage• Vehicle/Wayside Communication Protocol - Proposal

Status of Standards Activity WG No. Working Group

Name WG Chair Found

PAR in IEEE

PAR OK

Draft Prep

Line x Line

OK to Ballot

Ballot Passed

Recirc Passed

Final IEEE OK

WG1 Comm Protocol X X X X X X X X X WG2 CBS Perform X X X X X X X X X WG3 Event Recorder X X X X X X X X X WG4 Software Safety X X X X X X X X X WG5 Prop & Braking X X X X X X X X X WG6 Aux Power X X X X X X X X X WG7 Pas Information X X X X X X X X X WG8 Environmental X X X X X X WG9 Rail TCIP X X X X WG10 Battery Physical Int. X X X X X WG11 Motor Controller X X X WG12 Software Docum. X X X X WG13 NiCad Battery X WG14 HRI X

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CONCLUSIONS

• TCRP G-4 has implemented a complete consensus standards system for rail transit

• 7 IEEE Standards Published, 8 IEEE and 2 ASME Standards Underway

• Potential Savings of $1/3 Billion/Year• Leverages Public R&D Funds 8/1• Alternative to Federal Regulation

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