Rail Signals Maintenance Training Content and Standards
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Identification and Localization of Track Circuit False Occupancy Failures Based on Frequency Domain Reflectometry
sensors Article Identification and Localization of Track Circuit False Occupancy Failures Based on Frequency Domain Reflectometry Tiago A. Alvarenga 1 , Augusto S. Cerqueira 1 , Luciano M. A. Filho 1 , Rafael A. Nobrega 1 , Leonardo M. Honorio 1,* and Henrique Veloso 2 1 Electrical Engineering Department, Federal University of Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil; [email protected] (T.A.A.); [email protected] (A.S.C.); luciano.ma.fi[email protected] (L.M.A.F.); [email protected] (R.A.N.) 2 MRS Logística, Juiz de Fora 36060-010, MG, Brazil; [email protected] * Correspondence: [email protected] Received: 15 October 2020; Accepted: 9 December 2020; Published: 18 December 2020 Abstract: Railway track circuit failures can cause significant train delays and economic losses. A crucial point of the railway operation system is the corrective maintenance process. During this operation, the railway lines have the circulation of trains interrupted in the respective sector, where traffic restoration occurs only after completing the maintenance process. Depending on the cause and length of the track circuit, identifying and solving the problem may take a long time. A tool that assists in track circuit fault detection during an inspection adds agility and efficiency in its restoration and cost reduction. This paper presents a new method, based on frequency domain reflectometry, to diagnose and locate false occupancy failures of track circuits. Initially, simulations are performed considering simplified track circuit approximations to demonstrate the operation of the proposed method, where the fault position is estimated by identifying the null points and through non-linear regression on signal amplitude response. -
CONTRACT T-8000-1415 AUTOMATIC TRAIN CONTROL TECHNICAL SPECIFICATION THIS PAGE INTENTIONALLY LEFT BLANK Contents
ATTACHMENT C PART 2 – ATC SYSTEM MARYLAND TRANSIT ADMINISTRATION CONTRACT T-8000-1415 AUTOMATIC TRAIN CONTROL TECHNICAL SPECIFICATION THIS PAGE INTENTIONALLY LEFT BLANK Contents 1 GENERAL REQUIREMENTS 2 COMMUNICATIONS BASED TRAIN CONTROL REQUIREMENTS 3 MAIN LINE AND STORAGE YARD SOLID STATE INTERLOCKING REQUIREMENTS 4 AUTOMATIC TRAIN SUPERVISION REQUIREMENTS 5 DATA COMMUNICATIONS SYSTEM REQUIREMENTS 6 AUXILIARY WAYSIDE EQUIPMENT REQUIREMENTS 7 ENVIRONMENTAL AND EMC 8 SYSTEM SAFETY REQUIREMENTS 9 RELIABILITY, AVAILABILITY, AND MAINTAINABILITY REQUIREMENTS 10 INSTALLATION CUTOVER AND CONSTRUCTION REQUIREMENTS 11 ATC TESTING 12 QUALITY ASSURANCE AND CONTROL 13 TECHNICAL SUPPORT 14 TRAINING Attachment C, Part 2, ATC System T-8000-1415 i September 2015 THIS PAGE INTENTIONALLY LEFT BLANK Attachment C, Part 2, ATC System T-8000-1415 ii September 2015 SECTION 1 GENERAL REQUIREMENTS Contents 1.1 GENERAL..................................................................................................................................1-1 1.2 PROJECT OBJECTIVES ...............................................................................................................1-2 1.2.1 PROVEN DESIGN......................................................................................................1-3 1.2.2 COMMISSIONING ON A REVENUE SYSTEM...............................................................1-3 1.2.3 DESIGN LIFE.............................................................................................................1-3 1.3 SCOPE OF WORK......................................................................................................................1-3 -
Report on Railway Accident with Freight Car Set That Rolled Uncontrolledly from Alnabru to Sydhavna on 24 March 2010
Issued March 2011 REPORT JB 2011/03 REPORT ON RAILWAY ACCIDENT WITH FREIGHT CAR SET THAT ROLLED UNCONTROLLEDLY FROM ALNABRU TO SYDHAVNA ON 24 MARCH 2010 Accident Investigation Board Norway • P.O. Box 213, N-2001 Lillestrøm, Norway • Phone: + 47 63 89 63 00 • Fax: + 47 63 89 63 01 www.aibn.no • [email protected] This report has been translated into English and published by the AIBN to facilitate access by international readers. As accurate as the translation might be, the original Norwegian text takes precedence as the report of reference. The Accident Investigation Board has compiled this report for the sole purpose of improving railway safety. The object of any investigation is to identify faults or discrepancies which may endanger railway safety, whether or not these are causal factors in the accident, and to make safety recommendations. It is not the Board’s task to apportion blame or liability. Use of this report for any other purpose than for railway safety should be avoided. Photos: AIBN and Ruter As Accident Investigation Board Norway Page 2 TABLE OF CONTENTS NOTIFICATION OF THE ACCIDENT ............................................................................................. 4 SUMMARY ......................................................................................................................................... 4 1. INFORMATION ABOUT THE ACCIDENT ..................................................................... 6 1.1 Chain of events ................................................................................................................... -
Rehabilitation and Improvement of the Arkansas River Lift Bridge, Mp 410.6
REHABILITATION AND IMPROVEMENT OF THE ARKANSAS RIVER LIFT BRIDGE, MP 410.6 JOB SPECIAL PROVISIONS FY2017 TIGER GRANT NO. 157600102 FRA GRANT AGREEMENT NO. 69A36520401680TIIAR July 23, 2021 Arkansas River Lift Bridge, MP 410.6 Table of Contents Page General Special Provisions ........................................................................................... 1 Maintaining Railroad Operations ...................................................................................... 1 Coordination of Marine Navigation ................................................................................... 4 Electrical Special Provisions ........................................................................................ 7 Electrical Rehabilitation .................................................................................................... 8 Mechanical Special Provisions .................................................................................... 59 M100 – General Mechanical Specifications ..................................................................... 60 M101 – Sheaves, Trunnions, Bearings ........................................................................... 81 M102 – Counterweight Wire Ropes ................................................................................. 84 M103 – Counterweight Balancing.................................................................................... 89 M104 – Machinery Bearing Liners ................................................................................... 93 -
HOW to REDUCE the IMPACT of TRACK CIRCUIT FAILURES Stanislas Pinte, Maurizio Palumbo, Emmanuel Fernandes, Robert Grant ERTMS Solutions/Nxgen Rail Services
S. Pinte, M. Palumbo, E. Fernandes, R. Grant HOW TO REDUCE THE IMPACT OF TRACK CIRCUITS FAILURES ERTMS Solutions/NxGen Rail Services HOW TO REDUCE THE IMPACT OF TRACK CIRCUIT FAILURES Stanislas Pinte, Maurizio Palumbo, Emmanuel Fernandes, Robert Grant ERTMS Solutions/NxGen Rail Services Summary Every year, thousands of track circuit failures are reported by railway infrastructure managers in Europe and worldwide, resulting in significant delays which can also lead to substantial economic costs and penalties. For this reason, the ability to detect and diagnose the health of track circuits to prevent or provide a fast response to these failures, can generate a significant benefit for infrastructure managers. In many countries, a process of periodic manual inspection of wayside assets (including track circuits) is in place, but the benefits of this strategy are limited by several factors related to safety, the time required to perform the inspection, and difficulties associated with making manual measurements. With the purpose of minimizing economic loss and operational delay, as well as offering railway infrastructure managers a tool that can provide an automated and effective maintenance strategy, ERTMS Solutions has designed the TrackCircuitLifeCheck (TLC). The TrackCircuitLifeCheck is a track circuit measurement instrument that can be installed on track inspection or commercial trains to automatically diagnose AC, DC, and pulsed track circuits, thus enabling a preventive maintenance strategy, based on the analysis of multi-pass data from each track circuit over time, and the application of standard deviation analysis. KEYWORDS: Track Circuits, Preventive Maintenance, Train Detection, Train Protection, In-Cab Signaling, UM-71, TVM, TrackCircuitLifeCheck. INTRODUCTION This paper presents a high level functional and architectural description of track circuits, with a In order to detect the presence of trains on a special focus on AC track circuits. -
Signal Box Register Series
Signal Box Registers Publication schedule and current state of play as at 10th July 2019 Item Publication dateStatus 1. Great Western PB: 22 December 2007 Out of Print HB: 28 December 2007 Out of Print 1. Great Western PB: 10 May 2011 Published (Revised Edition) HB: 24 May 2011 Published 2. Midland Railway latest draft is version E22 dated Substantially complete. 18th September 2017 Publication expected 2020-2021 3. LNER (Southern Area) PB: 29 May 2012 Published. HB: 6 Nov 2012 Published. 4. Southern Railway PB & HB: 23 April 2009 Published 5. LNWR (includes NSR, Sources include NSR (1998), No work started yet. MCR, FR and L&Y) LNWR (240-599), L&Y (1999). 6. Scotland PB: 31 Oct 2012 Published. HB: 7 Nov 2012 Published. 7. North Eastern Region Work in hand (includes H&B) 8. London Transport PB: 12 Jul 2019 Published. HB: 26 Jul 2019 Published. 9. Ireland PB & HB: 3 August 2015 Published CD-ROM CD: 1 January 2008 Includes Volume 1 CDROM updates #1: 2 February 2008 Corr. Sht 1 & updated vol. 1 GW. #2: 16 September 2008 Corr. Sht 2 & updated vol. 1 GW. #3: 23 April 2009 Plus Volume 4 Southern Railway #4: 24 May 2011 Plus corr. sheet 3 & the GW register (revised edition) #5: 21 June 2012 As above plus correction sheet 4 and volume 3 LNER (Southern) #6: 15 Nov 2012 (DVD-ROM) As above plus correction sheet 5 and volume 6 Scotland #7: 25 Jul 2013 (DVD-ROM) As above plus correction sheet 6 #8: 31 May 2014 (DVD-ROM) As above plus correction sheet 7 #9: 3 Aug 2015 (DVD-ROM) As above plus correction sheet 8 #9: 3 Aug 2015 (CD-ROM) Volume 9 Ireland & Isle of Man #10: 21 Nov 2015 (DVD-ROM) As above plus correction sheet 9 #11: 10 Jul 2019 (DVD-ROM) As above plus correction sheet 10 Volume 8 London Transport Correction sheets 1: 16 January 2008 Amended vol. -
Signalling Products Such As TCC, TSRS and RBC
> Unified systems • MACS-ATS (ATS & SCADA): Good performance and high efficiency for dispatching and reduction of implementation and life cycle cost, centralized control, decentralized back up • CBI & ZC: High performance and good expandability, proven track record for high speed railway signalling products such as TCC, TSRS and RBC > Energy efficiency > Configuration oriented design > Reduces data configuration work and data validation process of the original station REFERENCE – BEIJING CHANGPING LINE As a system integration contractor, HollySys has successfully implemented Beijing Subway Changping Line Phase 1 which has been in revenue service since 2010. And the Phase 2 of Changping is currently under construction and expected to be integrated with Phase 1 opening for service in 2015. Phase 1 Chengnan Station to Xi’er Qi Station, 7 stations and full length of 21.42 Km with 15.5km elevated section, 2.92km underground section and 3.0 km ground section. Phase 2 Ming Tombs Station to Chengnan Station, 4 stations and full length of 10.28 Km all underground section. The complete double track 31.7 Km long Changping line consists of 1 Control Center, 1 Back-up Control Center, 11 Stations, 27 of 6-set trains, 2 depots with 1 training center and 1 maintenance center. HollySys (Asia Pacific) Pte Ltd 200 Pandan Loop, #08-01 Pantech 21, Singapore 128388 Tel: +65 6777 0950 Fax: +65 6777 2730 [email protected] Urban Railway SIGNALLINGSIGNALLING All Rights Reserved. Copyright © 2014 by HollySys International. SedSed QuiaQuia NonNon DoloreDolore NequeNeque porro porro quisquam quisquam est, est, qui qui dolorem dolorem ipsum ipsum quia quia dolor dolor sit sit amet, amet, consectetu consectetur,r ,adipisci adipisci velit, velit, sed sed quia quia nonnon numquam numquam eius eius modi modi tempora tempora incidunt incidunt ut ut labore labore et et dolore dolore magnam magnam aliquam aliquam quaerat quaerat voluptatem. -
Trainguard MT Optimal Performance with the World’S Leading Automatic Train Control System for Mass Transit Trainguard MT
siemens.com/mobility/mobility Trainguard MT Optimal performance with the world’s leading automatic train control system for mass transit Trainguard MT Intelligent and future-oriented mass transit solutions for smiling cities Cities are becoming increasingly larger The overall performance of mass transit As a modern modular ATC system, and more complex. This also imposes systems depends largely on the perform- Trainguard MT offers all these features, increased requirements on mass transit ance of the automatic train control (ATC) providing the basis for attractive, safe systems. Their operators have to cope system employed. With increasing auto- and efficient mass transit systems which with rapidly growing traffic flows and mation, the responsibility for operations satisfy the needs of both passengers and passengers' rising expectations. Their management gradually shifts from drivers railway operators throughout the world. success is measured against factors and operators to the system. such as safety, punctuality, conve- nience and energy efficiency. An ATC system comprises functions for the monitoring, execution and control Benefits Siemens' intelligent and future- of the entire operational process. It can oriented mass transit solutions feature different levels of automation • Short headways by implementing support operators in successfully such as driver-controlled train operation, real moving-block operation meeting these challenges. semi-automated train operation, driver- • Cost-effectiveness less and unattended train operation. • Scalability We regard our customers as partners • Upgradability up to driverless systems who we support through our work in The ATC system continuously indicates • Maximum reliability, availability and sustainably developing their urban the current movement authority on safety environment and making their public the cab display and super vises the per- • Economical maintenance mass transit both efficient and effec- missible train speed. -
Positive Train Control (PTC)
Positive Train Control (PTC) Positive Train Control Safety is Amtrak’s top priority. Amtrak is a leader in the installation of Positive Train Control (PTC), a safety technology designed to match train speed to track conditions for improved safety. Positive Train Control provides an added layer of safety. Installation and maintenance of PTC is the responsibility of the railroad that controls the track. Amtrak Infrastructure In December 2015, Amtrak activated PTC on track between New York and Washington, D.C., completing installation on most Amtrak-owned infrastructure on the Northeast Corridor (NEC) spine. PTC has been installed between Boston and New Haven since 2000. The only exceptions are seven miles, all of which are located in or adjacent to terminal areas where trains move slower and automatic train control systems are in service. Of note, Amtrak is not responsible for installing PTC on the following segments of the NEC which it doesn’t control, between New York and Boston: Harold Interlocking east of New York Penn Station is the responsibility of the LIRR, and Metro-North Railroad is responsible for the 56 mile New Rochelle-New Haven segment owned by the states of New York and Connecticut. In early 2016, Amtrak activated PTC on the 104-mile Harrisburg Line. Amtrak has also installed and is operating PTC along the 97 miles of track it owns in Michigan and Indiana, where PTC was introduced in 2002. Amtrak is working on installation of PTC on other lines, including the 60 mile Springfield line (where a major double-tracking project funded by the state of Connecticut is underway), the 105 mile Hudson line between Poughkeepsie and the Schenectady area (leased by Amtrak), and the 135 mile Dearborn-Kalamazoo segment of the Michigan line owned by Michigan, as well as the Chicago Union Station terminal areas. -
Chapter 5 Signals
CALTRAIN DESIGN CRITERIA CHAPTER 5 – SIGNALS CHAPTER 5 SIGNALS A. GENERAL When the Southern Pacific Railroad (SP) owned and operated the Caltrain corridor, the signal system had been designed based on the mixed operation of freight and passenger trains. The signal system spacing was based upon single direction running, with braking distances for 80 Ton per Operative Brake (TPOB) freight trains at 60 MPH (miles per hour). The Santa Clara, College Park, Fourth Street, and San Jose operators' positions were consolidated into a single dispatch center, with Centralized Traffic Control (CTC) from Santa Clara (Control Point or CP Coast) to CP Tamien. San Francisco Control Points, namely Fourth Street, Potrero, Bayshore, and Brisbane were operated as Manual Interlockings under the control of the San Jose Dispatcher with bi-directional automatic block signaling between Fourth Street and Potrero, and single direction running between control points from Potrero southward. After State Department of Transportation (Caltrans) completed the freeway I-280 retrofit, bi- directional CTC was in effect between Fourth Street and Bayshore. Between 1992 and 1997, signal design was performed by various designers, as a by product of third party contracts on the railroad. There was little consistency between projects, and little overview as to how the projects tied together, and how they would fare with future projects. In 1997, the Caltrain's two signal engineering designers, and the contract operator developed the Caltrain Signal Engineering Design Standards. The new standards have become one of migration. 1.0 SIGNAL SYSTEM MIGRATION The migration of the Caltrain Signal System was defined as follows: a. -
Highway-Rail Crossing Warning Systems and Traffic Signals Manual
Interconnection of Highway-Rail Grade Crossing Warning Systems and Highway Traffic Signals 1 INTRODUCTION Welcome to this seminar on Interconnection of Highway-Rail Grade Crossing Warning Systems and Highway Traffic Signals. Over the past eight years, I have had the opportunity to present this seminar to persons from the Federal Railroad Administration, the Federal Highway Administration, numerous state Departments of Transportation, city, county and state traffic engineering and signal departments as well as many railroads. Obviously, this is a highly specialized topic, one that receives very little attention in terms of available training. However, from the perspective of safety, it requires far more attention than it normally receives. Only when a catastrophic event occurs such as the Fox River Grove crash in October of 1995 does the need for training of this type become apparent. Following the Fox River Grove crash, I was approached by the Oklahoma Department of Transportation in 1996, inquiring if I would have an interest in assisting them with understanding interconnection and preemption. This seminar is the ongoing continuation of that effort. My background includes over 31 years of active involvement in both highway traffic signal and railroad signal application, design and maintenance. This workbook is a compilation of information, drawings, standards, recommended practices and my ideas to assist you in following with the presentation and to provide a future reference as you need it. It has been developed as I have presented seminars and I strive to continually update it to reflect the most current information available. Some sections have been reproduced from the Manual on Uniform Traffic Control Devices which exists in the public domain. -
SUBSET-023 Glossary of Terms and Abbreviations Page 1/27 3.1.0
ERA * UNISIG * EEIG ERTMS USERS GROUP ERTMS/ETCS Glossary of Terms and Abbreviations REF : SUBSET-023 ISSUE : 3.1.0 DATE : 12/05/2014 SUBSET-023 Glossary of Terms and Abbreviations Page 1/27 3.1.0 ERA * UNISIG * EEIG ERTMS USERS GROUP 1. MODIFICATION HISTORY Issue Number Section number Modification / Description Author Date 0.0.1 All First issue. Sven Adomeit Hans Kast Jean-Christophe Laffineur 0.0.2 All Reuse of EEIG glossary Sven Adomeit Hans Kast Jean-Christophe Laffineur 0.0.3 All Review of SRS; Sven Adomeit New SRS Chapter 0.0.4. All Updating references Sven Adomeit Add: RAP:RMP:MAR: Mode Profile 0.0.5. All Updating for Class 1 SRS WLH Feb 2000 Version 2 0.1.0. All Updating following UNISIG review WLH and comments from Adt ,Alst. March 2000 0.2.0. All Further comments from Alstom WLH March 2000 2.0.0 Final issue to ECSAG U.D. (ed) 30 March 2000 2.9.1 All Revised edition for baseline 3 B. Stamm 08 February S. Adomeit 2012 A. Hougardy 2.9.2 All As per UNISIG review comments A. Hougardy 01 March 2012 Add new entries ACK, KER and LUC Refine definition of Train Interface SUBSET-023 Glossary of Terms and Abbreviations Page 2/27 3.1.0 ERA * UNISIG * EEIG ERTMS USERS GROUP Unit 3.0.0 Baseline 3 release version A. Hougardy 02 March 2012 3.0.1 CR 1124 O. Gemine 04 April 2014 3.0.2 Baseline 3 1st maintenance pre- O. Gemine release version 23 April 2014 3.0.3 CR 1223 O.