Long Haul Train Operations and Composition
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Questions and Answers

What is required for loco pilots selected for Long Haul train operations?

  • They should be new recruits with no prior experience.
  • They must have completed a safety training course.
  • They must be from 'C' category.
  • They should have adequate experience and be conversant with the section. (correct)

What communication method is prescribed between the loco pilot and the guard?

  • Mobile phone communication
  • Radio communication
  • Hand signals only
  • Prescribed whistle code (correct)

Which components of the leading MU unit must be in 'ON' condition for loaded trains?

  • All compressors must be operational
  • No specific requirement for compressors
  • Two compressors only
  • At least five compressors (correct)

What is the status of middle locomotives in terms of charging the brake pipe?

<p>They are not permitted to charge the brake pipe. (C)</p> Signup and view all the answers

What is the protocol after a brake application before restarting the train?

<p>The loco pilot must ensure that BP pressure is restored. (C)</p> Signup and view all the answers

Which locomotives have braking capabilities in a Long Haul train operation without a distributed power system?

<p>Only the leading locomotive (C)</p> Signup and view all the answers

How is the Long Haul train typically started from the originating station?

<p>By exchanging physical signals between guard and loco pilot (C)</p> Signup and view all the answers

What type of communication is used to ensure smooth operation between the leading and middle loco pilots?

<p>Throttle adjustment as per advice from the leading loco pilot (D)</p> Signup and view all the answers

Why is it important for the RB/DB of leading locomotives to be in working condition?

<p>It ensures effective braking performance. (C)</p> Signup and view all the answers

What is the maximum weight for loaded long haul trains to require field trials by RDSO before operating at high speeds?

<p>9000T (A)</p> Signup and view all the answers

What is the primary purpose of running long haul trains?

<p>To reduce congestion and increase throughput (D)</p> Signup and view all the answers

Which system is suggested for adoption to address issues with brake pressure fading on goods trains?

<p>Twin pipe system (D)</p> Signup and view all the answers

What should all crew members working on long haul trains receive?

<p>A pamphlet containing instructions (B)</p> Signup and view all the answers

What is a necessary condition for the formation of long haul trains?

<p>They must be formed at notified stations with TXR presence (B)</p> Signup and view all the answers

Who is responsible for conducting checks to ensure compliance with safety rules on long haul trains?

<p>Sr.DSOs and Safety Counselors (A)</p> Signup and view all the answers

What type of communication is used for exchanging signals when physical exchange is impossible?

<p>Walkie-Talkie sets (D)</p> Signup and view all the answers

Which factor restricts the maximum speed of long haul trains?

<p>The maximum speed of the constituent train (D)</p> Signup and view all the answers

What should be done in case of train parting to manage the situation effectively?

<p>Clear the longer front portion to the next suitable loop station (A)</p> Signup and view all the answers

In what situation can a long haul train be split at a station?

<p>Only during exceptional circumstances (A)</p> Signup and view all the answers

What is the significance of the color coding for long haul trains in FOIS?

<p>To distinguish them from other trains (B)</p> Signup and view all the answers

Which of the following combinations can compose a long haul train?

<p>Empty train as the front load followed by a loaded train (A)</p> Signup and view all the answers

What must be used by the crew to communicate effectively during inadequate visibility on Long Haul trains?

<p>Walkie-talkie sets (D)</p> Signup and view all the answers

Which loco is responsible for creating air pressure in a Long Haul train?

<p>Leading loco (D)</p> Signup and view all the answers

What is the maximum speed for loaded Long Haul trains under normal circumstances?

<p>60 Kmph (C)</p> Signup and view all the answers

Who is in charge of the Long Haul train?

<p>Guard of the rear-most brake van (D)</p> Signup and view all the answers

What is the role of the middle/ banker loco during braking?

<p>Stay idle during brakes application by leading loco (A)</p> Signup and view all the answers

Which of the following guidelines must be followed for marshalling of rakes?

<p>Loaded rake must always be in front of empty rake (A)</p> Signup and view all the answers

What is the minimum release time that should be ensured by the driver before restarting the train?

<p>5 minutes (D)</p> Signup and view all the answers

What should the guard communicate to the Loco Pilot over walkie-talkie?

<p>Clearance of speed restriction zones and cross-over (D)</p> Signup and view all the answers

What action should the loco pilot take while observing the caution order?

<p>Notch up and notch down judiciously (B)</p> Signup and view all the answers

At the time of starting a train with two loaded or a combination of loaded and empty rakes, what is the first action of the Middle Loco Pilot?

<p>Take two notches and confirm to the Leading Loco Pilot (B)</p> Signup and view all the answers

In case of communication failure, what should be done with the Long Haul train?

<p>Do not operate the train (B)</p> Signup and view all the answers

What ensures safety of the rear portion of the Long Haul train when stabled after shunting?

<p>Hand brakes (A)</p> Signup and view all the answers

What should be done if the loco of a long haul train is changed?

<p>Release the air brake system of the full load (C)</p> Signup and view all the answers

What is the minimum brake pipe (BP) pressure required in the engine before starting a Long Haul train?

<p>5 Kg/cm2 (A)</p> Signup and view all the answers

What must section controllers prioritize for Long Haul trains?

<p>Give through line clear to avoid delays (C)</p> Signup and view all the answers

Which brake van arrangement is correct if both available brake vans are 4-wheeler?

<p>Both at the rear of the train (D)</p> Signup and view all the answers

What type of communication devices should be provided to Loco Pilots and Guards during a run?

<p>Pre tested VHF sets with spare batteries (D)</p> Signup and view all the answers

Which document is required for the safe operation of clubbed rakes in Long Haul trains?

<p>Air Pressure Continuity Certificate (B)</p> Signup and view all the answers

What must the entire crew ensure before starting the Long Haul train?

<p>All walkie-talkie sets are in working order (A)</p> Signup and view all the answers

What must be done if 8-wheeler brake vans are available?

<p>They shall be marshaled in between the two empty rakes (D)</p> Signup and view all the answers

What should be monitored during the first ten trial trips of long haul trains?

<p>Joint reports on observed shortcomings (D)</p> Signup and view all the answers

What condition must sanders of all locomotives meet during monsoon operations?

<p>They must be in working order (A)</p> Signup and view all the answers

What is a suggested method for long-term movement of loaded long haul trains over 9000T?

<p>Conduct field trials to determine emergency brake distance (A)</p> Signup and view all the answers

In case of emergency braking on long haul trains, what is one significant limitation noted?

<p>Release of brakes takes longer than 950 seconds (D)</p> Signup and view all the answers

What should divisions do if specific topographical or operational issues arise?

<p>Issue local instructions based on relevant information (A)</p> Signup and view all the answers

What is the primary advantage of operating long haul trains over traditional train setups?

<p>They require fewer train formations overall. (A)</p> Signup and view all the answers

Which of the following is NOT a general requirement for long haul trains?

<p>Trains must only include loaded BOXN wagons. (D)</p> Signup and view all the answers

What action should be taken if Walkie-Talkie communication fails during long haul operations?

<p>Bring the long haul train to a stop immediately. (B)</p> Signup and view all the answers

What differentiates long haul trains from regular trains in operational protocols?

<p>They follow a specific nomenclature and color coding. (B)</p> Signup and view all the answers

What is the significance of the TXR presence when forming long haul trains?

<p>They approve the train composition and loading. (C)</p> Signup and view all the answers

Under what circumstance can a long haul train be split at a station?

<p>During exceptional circumstances with adequate precautions. (B)</p> Signup and view all the answers

What types of trains can be formed as part of a long haul operation?

<p>Any combination of loaded and empty rakes. (C)</p> Signup and view all the answers

What should be avoided during the operation of a Long Haul train?

<p>Operating during communication failures (D)</p> Signup and view all the answers

What is the role of the guard in a Long Haul train?

<p>Communicate speed clearance to the leading loco pilot (D)</p> Signup and view all the answers

How should the marshalling of rakes be organized for Long Haul trains?

<p>Loaded rake must always be the leading rake (D)</p> Signup and view all the answers

Which loco is permitted to charge the brake pipe during Long Haul train operations?

<p>Leading loco only (B)</p> Signup and view all the answers

What is the maximum speed limit for loaded Long Haul trains?

<p>60 Kmph (A)</p> Signup and view all the answers

What should the section controllers prioritize for Long Haul trains?

<p>Ensuring clear through lines to avoid detentions (A)</p> Signup and view all the answers

What is the communication method used for exchanging signals during low visibility?

<p>Walkie-talkie sets (A)</p> Signup and view all the answers

Who is responsible for ensuring the safety of the rear portion of the Long Haul train?

<p>Guard of the rear-most brake van (C)</p> Signup and view all the answers

What should be the minimum BP pressure in the engine before starting a Long Haul train?

<p>5 Kg/cm2 (B)</p> Signup and view all the answers

What actions should the loco pilot take if a caution order is observed?

<p>Apply brakes immediately (C)</p> Signup and view all the answers

What is the required action of the Middle Loco Pilot (MLP) when starting a train with two loaded or a combination of loaded and empty rakes?

<p>Take two notches and confirm this to the Leading Loco Pilot (C)</p> Signup and view all the answers

Which brake van arrangement is correct for 4-wheeler brake vans?

<p>Only one brake van at the rear (C)</p> Signup and view all the answers

What is the primary purpose of conducting an air pressure continuity test before starting Long Haul trains?

<p>To avoid brake binding in scenarios of changing locos (C)</p> Signup and view all the answers

Which configuration is correct for marshalling brake vans in a Long Haul train if both available brake vans are 4-wheeler?

<p>Attach both at the rear of the train (D)</p> Signup and view all the answers

What is the recommended method for loco pilots to control the train while observing caution orders?

<p>Notch up and notch down judiciously while minimizing train brake use (A)</p> Signup and view all the answers

How should the entry and exit into the RB be managed during train operations?

<p>Gradually for the first two notches, allowing 10-20 seconds each (D)</p> Signup and view all the answers

What communication devices should be ensured for Loco Pilots and Guards during a Long Haul train run?

<p>Standard VHF sets with spare batteries for reliable communication (A)</p> Signup and view all the answers

What must be ensured by the crew before starting the Long Haul train?

<p>That their communication devices are in working order (C)</p> Signup and view all the answers

In terms of pressure, what is the minimum requirement in the rear brake van before starting the Long Haul train?

<p>4.7 Kg/cm2 (B)</p> Signup and view all the answers

What must the two rakes clubbed in Long Haul trains possess for safe operations?

<p>Valid BPCs for individual rakes separately (C)</p> Signup and view all the answers

Which statement about the responsibilities of the loco pilot of the leading locomotive in a Long Haul train is correct?

<p>The leading loco pilot coordinates throttling with the middle loco pilot. (A)</p> Signup and view all the answers

What is a critical requirement for the operation of the middle locomotive in a Long Haul train?

<p>The middle loco may only function as additional power without charging the brake pipe. (B)</p> Signup and view all the answers

Which of the following statements about brake pipe pressure in a Long Haul train operation is true?

<p>The loco pilot should ensure BP pressure is restored before train restart. (A)</p> Signup and view all the answers

What is the prescribed method to signal the start of the Long Haul train from the originating station?

<p>Flag or light signals exchanged with the guard. (A)</p> Signup and view all the answers

In long haul train operations, what can be said about the function of the RB/DB of the leading locomotives?

<p>RB/DB must be operational to assist in train braking. (C)</p> Signup and view all the answers

Which characteristic of loco pilots is mandatory for those nominated for Long Haul operations?

<p>Loco pilots should have familiarity with the section and adequate experience. (A)</p> Signup and view all the answers

What is the role of the trailing locomotives in a Long Haul train configuration?

<p>They can assist with traction when required but do not engage in primary control. (A)</p> Signup and view all the answers

Which of the following is NOT a requirement for the locomotives in a Long Haul train?

<p>Leading and middle locos should have the same power rating. (D)</p> Signup and view all the answers

How should train parting incidents be handled in Long Haul operations?

<p>General safety rules for train parting must be strictly adhered to. (A)</p> Signup and view all the answers

Flashcards

Long Haul Train Definition

A train composed of two or more standard train formations; the constituent trains can be empty or loaded.

Purpose of Long Haul Trains

To reduce congestion in busy railway sections and increase throughput, and improve rolling stock speed.

Train Identification

Long haul trains have specific names (e.g., Maruti, Python) which are shown in FOIS and control charts and use assigned colors.

TXR Requirement

Long haul trains must be formed at notified stations with a Train eXchange Regulator (TXR) present. If not present, a TXR must be arranged.

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Train Splitting

Long haul trains can be split at any station under specific conditions like precedence (for passenger trains), emergencies, or in unavoidable circumstances.

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Speed Restrictions

The top speed for a long haul train is dictated by the speed permissible for the train with the slowest maximum speed of the individual train formations within it.

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Signal Exchange (Obstacles)

If physical signal exchange isn't viable (because of curves, length, or visibility issues), walkie-talkies are used. If walkie-talkie communication fails, stop.

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Long Haul Train Operation

Procedures for operating trains over long distances, ensuring smooth and safe transportation

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Loco Pilot Selection

Only experienced and section-familiar Loco Pilots (category A/B) are selected for Long Haul trains

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Middle Loco Throttle

The middle loco pilot follows the leading loco pilot's instructions for throttle control

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Train Parting

Strict adherence to G&SR Rule (Train Parting) in case of train separation

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Leading Locomotive

The engine at the front of the train, responsible for operation and braking

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Distributed Power System

System for sharing power among multiple locomotives, not used in some Long Haul train cases

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Brake Pipe Pressure Check

Loco Pilot checks brake pipe pressure in locomotive and brake van before restarting after a brake application

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Loaded-Loaded/Loaded-Empty Combination

Electric locomotives handling multiple freight type combinations with required engine compressors functioning

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Physical Signals (Long Haul Start)

Long Haul trains start by using physical signals such as flags, lights, and whistles

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Brake Van Confirmation

The guard in the rearmost brake van must confirm the train's status to the lead locomotive driver.

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Minimum Release Time

The driver must wait at least 5 minutes before restarting the train after a halting procedure.

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Judicious Notching

Gradually increasing or decreasing the train's speed with the locomotive controls (notching), minimizing the use of train brakes.

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RB Entry/Exit

Entry and exit of the train into and out of Restricted Block (RB) should be gradual, taking 10-20 seconds for each of the first two notches.

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Middle Loco Pilot (MLP)

The pilot of the middle locomotive in a long haul train is responsible for initiating train movement after first confirming with the leader.

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Loco Change

If the locomotive in a long haul train is changed, the air brake system of all cars must be released.

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Valid BPCs

Combined long haul train rakes require valid Brake Pressure Certificates (BPCs) for each rake separately.

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Air Pressure Continuity

A separate certificate for the air pressure continuity of a combined long haul train must be issued.

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Minimum Brake Pressure

Long haul trains must start with minimum brake pressure levels, specified for engine and rear brake van.

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Brake Van Configuration

The arrangement of 8-wheel or 4-wheel brake vans in a long haul train depends on their availability. The most important is the train is well-prepared to handle it.

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Long Haul Train Trial Monitoring

First ten trial trips of long haul trains on a section are monitored by designated personnel (LI and TI) on the locomotive and rear brake van.

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Monsoon Loco Sander Check

All locomotive sanders must be functional during monsoon season, following the monsoon timetable for deployment.

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Long Haul Train Review

Long haul train operations are evaluated based on joint reports from divisions, highlighting identified issues.

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Train Parting Procedure

In case of train separation, the front portion is moved to the next suitable loop line station, and the rear portion is handled at available stations according to the situation and locomotive availability.

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Heavy Long Haul Train Operation

For trains exceeding 9000T and speeds above 60 kmph, RDSO performs field trials with various locomotive types to determine the effective braking distance (EBD) before permitting such operations.

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Walkie-talkie use

Walkie-talkies are used for communication in Long Haul trains with poor visibility to ensure safety.

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Single Line Operation

Long Haul trains operate on a single track, with specific arrangements for tail boards/lamps and brake application.

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Leading Loco Air Pressure

Only the leading locomotive charges the brake pipe pressure in a Long Haul train.

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Maximum Speed Restriction

Long Haul train speed depends upon the load and other speed limitations, typically 60 Kmph for loaded rakes.

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Guard Responsibility

The guard of the rearmost brake van is responsible for the Long Haul train's safe operation and ensuring the safety of the rear end.

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Communication Clearance Zones

The guard communicates about speed restrictions and crossovers using walkie-talkies with the Loco Pilot.

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Through Line Clearance

Section controllers prioritize providing clear tracks to Long Haul trains to minimize delays for following trains.

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Loaded Rake First

In marshalling, loaded rakes are placed first, followed by empty rakes.

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G&SR Rules

All General and Safety Rules of Railway operations for trains apply for Long Haul train operations too.

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Communication Failure

Long Haul train operations are not allowed in cases of communication failure or temporary single-line working

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Long Haul Train Composition

A train formed from more than one standard train formation, containing empty or loaded trains.

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Long Haul Train Purpose

Reduce congestion on busy railway lines, increasing throughput and improving the speed of rolling stock.

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Train Identification

Long haul trains are identified by a prefixed name (e.g., Maruti) and distinct color codes in FOIS and control charts.

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TXR Requirement

Long haul trains require a Train eXchange Regulator (TXR) at designated stations for formation and exchange.

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Signal Exchange (Obstacles)

In cases of poor visibility or physical obstructions, walkie-talkies are used for signal exchange; communication failure necessitates halting.

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Speed Restrictions

Long haul train speed is limited by the slowest constituent train formation's maximum permissible speed.

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Train Splitting

Separation of a long haul train is permissible under specific circumstances (precedence, exceptional cases) and with proper safety precautions at any station.

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Long Haul Loco Pilot Selection

Only experienced Loco Pilots (category A/B) knowledgeable about the section are chosen for Long Haul trains.

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Middle Loco Throttle Control

The pilot of the middle locomotive follows instructions from the leading locomotive pilot for throttle control.

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Train Parting Rule

Strict adherence to G&SR guidelines is mandatory in case of train separation.

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Leading Locomotive Function

The locomotive at the front is responsible for train operation and braking.

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Distributed Power System

Sharing power among locomotives, but not always used in long haul train operations.

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Brake Pipe Pressure Check

Loco Pilot verifies brake pipe pressure in the locomotive and brake van prior to restarting after a braking action.

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Loaded-Loaded/Loaded-Empty Combination

Electric locomotives handle multiple freight combinations, with designated compressors functioning.

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Physical Signals for Long Haul Start

Long Haul trains begin operation using signals like flags, lights, and whistles for communication.

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Long Haul Train Operation (General)

Procedures for operating trains over long distances, ensuring smooth and safe transportation, following guidelines and rules.

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Brake Van Confirmation

The guard in the rearmost brake van confirms train status to the leading loco pilot.

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Minimum Release Time

5 minutes wait after stopping before restarting a train.

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Judicious Notching

Smoothly adjust train speed using locomotive controls (notching), minimizing train brakes.

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RB Entry/Exit

Gradual entry and exit into/out of Restricted Block (RB), taking 10-20 seconds for the first two notches.

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Middle Loco Pilot (MLP)

Pilot of the middle locomotive in a long haul train; they coordinate with the lead pilot for notching up.

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Loco Change

Release the air brake system of the entire train if the locomotive is changed.

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Valid BPCs

Individual rakes in a long haul train need separate valid Brake Pressure Certificates (BPCs).

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Air Pressure Continuity

A separate certificate is required for the combined long haul train to confirm air pressure continuity.

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Minimum Brake Pressure

Minimum brake pressure levels (engine and rear brake van) are required to start a long haul train.

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Brake Van Configuration

Arrangement of brake vans based on 8-wheeler or 4-wheeler availability in a long haul train.

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Long Haul Train Trial Monitoring

First 10 trial runs of long-haul trains on a section are monitored by personnel at the front and rear.

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Monsoon Loco Sander Check

All locomotive sanders must function correctly during monsoons, adhering to a designated timetable.

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Heavy Long Haul Train Operation

RDSO performs trials for trains over 9000 tonnes and speeds exceeding 60 kmph to determine braking distance before permitting such operations.

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Train Parting Procedure

In case of train separation, the front portion moves to a suitable location. The rear portion is handled depending on availability.

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Long Haul Train Review

Long haul trains are reviewed based on division reports that highlight any operational shortcomings observed during runs.

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Walkie-talkie use

Walkie-talkies are used by the crew to communicate when visibility is poor, or when physical signals can't be used.

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Single Line Operation

Long Haul trains run on a single track, requiring specific arrangements for rear-end safety and brake application.

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Leading Loco Air Pressure

Only the front locomotive is responsible for creating the brake pipe pressure.

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Maximum Speed Restriction

The speed of a Long Haul train is limited by the lowest allowable speed of any section.

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Guard Responsibility

The guard in the rearmost brake van is responsible for the safe operation of the rear section.

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Communication Clearance Zones

The guard communicates speed restrictions and crossovers using walkie-talkies with the Loco Pilot.

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Through Line Clearance

Section controllers prioritize clearing the track for Long Haul trains to prevent delays for following trains.

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Loaded Rake First

When marshalling, loaded rakes are placed in front of empty rakes.

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G&SR Rules

All General and Safety Rules for train operation are applicable to Long Haul trains.

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Communication Failure

Long Haul trains cannot operate during communication failures or temporary single-line working.

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Study Notes

Long Haul Train Operation

  • Long haul trains are defined as train formations with more than one standard train.
  • They may be empty or loaded.
  • Running long haul trains reduces congestion, increases throughput and speeds of rolling stock.
  • Trains run on specific named sections (e.g., Maruti, Python) and have a unique color code in FOIS and on control charts.
  • The trains are formed at designated stations and TXR (Train eXchange Route) presence is required unless otherwise arranged.
  • Train may be split at any station with safety precautions during exceptional or passenger train precedence.

Long Haul Train Composition

  • Long haul trains can be BOXN/BCN/container or steel rakes.
  • They use single or twin pipe air brake systems.
  • Maximum speed of a long haul train is limited to the lower speed of the constituent trains.
  • Special T/G boards are used for identified sections.

Long Haul Train Requirements

  • Long haul trains use special signaling methods when curves, lengths or visibility block physical signal exchange and Walkie-Talkie communication can be used. If Walkie-Talkie fails, the train must stop.
  • loco pilots will be nominated from a certain category and must have adequate experience
  • loco pilot of middle loco will follow instructions of leading loco pilo.
  • Prescribed whistles are used for communication between loco pilots and guards.

Locomotive Requirements

  • Locomotives used must be single or multiple unit (MU) based on haulage capacity.
  • For loaded and loaded/empty combinations, leading MU locomotives need at least five operating compressors.
  • Middle locomotives in a long haul train are not permitted to charge the brake pipe.
  • Rail Brake / Dynamic Brake (RB/DB) of leading locomotives must be in working condition.

Locomotive Crew Details

  • Long haul trains begin at the originating station by exchange of physical signals and whistles by guard and loco pilot.
  • Loco pilots must be selected from a specified category having suitable experience.
  • Before starting after a brake application, pressure must be restored in the engine and brake van confirmed by guards and loco pilots.
  • 5 minute release time and careful use of regenerative braking is required.

Carriage and Wagon (C&W)

  • Two rakes with separate valid BPCs are clubbed.
  • Air pressure continuity test is conducted before operation.
  • Minimum BP pressure in engine should be 5 kg/cm² and in the rear brake van 4.7 kg/cm².
  • 8-wheeler brake van (if available) is marshalled between the two empty rakes.
  • Train detachments can occur due to hot axles or flat tires.

Communication

  • Pre-tested VHF sets with spare batteries are crucial.
  • Crews must ensure walkie-talkies are operational.
  • Trained communication during operation is key.
  • divisions must use suitable walkie-talkies for crew.

Operating (Traffic)

  • Long haul trains should run on single line clear.
  • Air pressure should be created by the leading locomotive.
  • Max speed 60 kmph for loaded and stock or loco speed allowance for empty trains, with adherence to other speed restrictions.
  • Loco pilots and guards need coordination before and during operation.

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Related Documents

CnW Maintenance Manual 519-523 PDF: Long Haul Train Operation

Description

This quiz covers the essentials of long haul train operations, including their definitions, composition, and requirements for safe and efficient running. Explore the unique characteristics and signaling methods used in long haul trains. Perfect for rail transport enthusiasts and professionals in the field.

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