Update Provided by G. Hubbs, NYC Transit
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NYCT selected the “CBTC Joint Venture” of
Siemens Transportation Systems Inc. (formerly MATRA Transport International),
Union Switch & Signal, Inc. and RWKS Comstock to be the Lead Contractor for
Phase II of the NYCT Canarsie Line Communications Based Train Control Project. A
5-year contract worth $133 million was awarded in December 1999.
Phase II of the Canarsie Line project
involves resignaling the entire Canarsie Line (22 track miles) and furnishing
CBTC equipment for 212 new R143 cars. Siemens is responsible for the
design and supply of the carborne and wayside CBTC subsystems (including the
data communications system); an Automatic Train Supervision subsystem and
overall project management and systems integration. US&S is responsible for
the design and supply of Auxiliary Wayside System (AWS) including six
relay-based interlockings, track circuits, wayside home and approach signals and
automatic train stops. RWKS Comstock is responsible for equipment
installation and associated equipment room construction.
The CBTC system proposed by the Joint Venture for the Canarsie Line is based on the RATP Meteor Line system that successfully enter service in October 1998. The major changes are those required to accommodate NYCT's specific operating environment (e.g. Meteor Line is driverless - Canarsie Line is not; Meteor Line uses inductive loop - Canarsie Line uses radio). NYCT's objectives are to maximize the reuse of the Meteor Line design in order to minimize new software development and associated safety re-certification risks. The Meteor Line system was specifically developed to support mixed-mode operations, which was one of the attractions for NYCT.
New Interlocking in Service (Bway Jct)
Interoperability Interface Specs Prepared
Design Review-Initial SW Version
carborne equipment installation
CBTC Testing begins
Mode- Rockaway to Livonia
section CBTC in revenue service
cars equipped and ready for revenue service
in Service – entire Canarsie Line
V3 and Availability/Reliability Demos
During the Preliminary Design Phase, NYCT has
worked closely with the CBTC Joint Venture to establish final system and
subsystem requirements and interoperability interface specifications. This
includes approval of the System Functional Specifications and the System Design
Document, which are intended to freeze the system functional requirements and
lead to the designs for each subsystem. Some new functional requirements have
been identified in this process, including the addition of CBTC protection in
yards, a traffic interlock for RM mode and detection of wrong-side track circuit
failures. These functions will be introduced as a later software version
The Design Review process is complete, except for V3 added functionality. NYCT has completed First Article Inspections for each subsystem’s hardware and all hardware has now been delivered. Factory Acceptance Tests for the initial software version were completed in December 2003; these integration tests are functional tests performed on actual system hardware (zone controller, carborne controller, ATS, and DCS) connected as a system. Factory Acceptance Tests of the complete software version 2.2 were completed in July 2004.
NYCT has formed a System Safety Certification Board for CBTC and other new technology signal projects. The Board is comprised of department heads representing Signals, Car Equipment, System Safety, Operations and Maintenance of Way. The Board has been meeting regularly for 20 months and has certified two software releases for field testing and the permanent connection of 3 zone controllers to the wayside signal system. Since NYCT is self-certifying, this Board determines if there is sufficient evidence of safety documentation, closed hazards, operating rules and procedures, and training to place the system in revenue service. An extensive effort has been completed to write a Rulebook supplement for CBTC territory as well as operating procedures for train operators and ATS operators.
The carborne CBTC equipment is being installed
by NYCT forces on new R143 cars built by Kawasaki. These cars feature AC
traction, full width cabs, and wide use of train networks. The CBTC interfaces
to the cars have been carefully coordinated so that the cars will be “CBTC
ready”. This means that space, power and all interface wiring for CBTC
is provided, making equipment installation a relatively simple task. The
first of these units, made of 4 car semi-permanently coupled cars, was delivered
in May 2001 and all cars have now been delivered. CBTC equipped has been
installed on 95% of the cars.
The carborne CBTC is using of an optical speed
and position measurement system (OSMES) that is independent of the wheel-rail
interface. The speed and distance measurement is based on optical principles,
using a laser diode source that projects a collimated beam of invisible light on
the top of the running rail. The reflection of any laser beam produces an
interference pattern, typically speckled, which is practically unique for each
portion of the incident surface. The reflected speckle image of the rail
is reflected back into the OSMES device where a picture of the pattern is taken
with a CCD camera. An accelerated program to develop this system
into a production device had to be undertaken as well as solving many
application obstacles, including severe clearance and environmental
restrictions. The 1 year revenue testing of the OSMES optical positioning and
speed sensing subsystem began in early February 2003 and has resumed after 2
months of downtown for mechanical mounting issues.
The Preliminary Interoperability Interface
Specifications were delivered in March 2002.
is designing the new 2nd Avenue subway line with CBTC and has completed
Preliminary Engineering for the Flushing Line (#7) CBTC design. A
consultant contract for design and construction support services for both
projects was awarded to Parsons Transportation Group, in association
with Booz Allen Transportation, ARINC, Abacus Technology, Dnutch Associates
and KKO & Associates.
is actively seeking licensed radio frequencies for CBTC from the Federal
order of 1700 R160 B-Division cars from Alstom/Kawasaki is underway; these
cars will also have space, wiring and interface provisions for CBTC.