Traction Branch Rules and Breakdowns

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Questions and Answers

What is the primary responsibility of maintenance gangs in relation to breakdowns?

To supervise other officers in dealing with accidents

To deal promptly with traction installations and electric rolling-stock breakdowns (correct)

To manage the inventory of emergency supplies

To report accidents to the senior staff

Which of the following types of breakdowns is NOT mentioned as pertaining to electric traction?

Sub-station and switching stations

OHE feeder lines and transmission lines

Electrical appliance failures (correct)

Remote control equipment and cables

What should the supervisor-in-charge of the depot/sub-depot maintain regarding OHE stores?

An inventory to ensure minimum quantities are available (correct)

Monthly reports on traffic flow

A list of all breakdown gangs' equipment

A detailed schedule for maintenance

What is the primary purpose of having breakdown gangs located at selected points?

To deal promptly with OHE failures during peak traffic hours Signup and view all the answers

What should be the initial quantity of OHE stores earmarked for breakdowns at each depot?

3 kilometers of single line materials Signup and view all the answers

How often should the inventory of emergency OHE stores be recouped?

Periodically, based on usage Signup and view all the answers

Which of the following equipment is NOT mentioned as being part of the breakdown equipment that should be maintained?

Personal protective gear Signup and view all the answers

What must breakdown staff avoid doing without specific orders?

Disturbing OHE masts or cutting OHE conductors Signup and view all the answers

What is a consequence of indiscriminate cutting of OHE conductors?

Introduction of splices Signup and view all the answers

What material is used to construct the portal type structures for temporary diversions?

80 mm diameter GI pipes Signup and view all the answers

What is used to ensure the stability of the structure against heavy wind loads?

Guys in perpendicular and parallel directions Signup and view all the answers

How is the void between the GI pipes and MS pipes treated to prevent rusting?

Wedge with wooden wedges and filled with sand Signup and view all the answers

What should be done when remote control operation is suspended?

Emergency switching operations should be carried out manually. Signup and view all the answers

Who is responsible for interpreting and following the operational rules before taking duty at a switching post?

The Operator assigned to the duty. Signup and view all the answers

Which of the following must be recorded in the Operator's log book?

Details of all operations and any abnormalities. Signup and view all the answers

What must happen during the handover process between Operators?

Both Operators must sign the log book. Signup and view all the answers

What is an Operator forbidden from doing during their shift?

Leaving the post station without relief. Signup and view all the answers

What must TPC maintain regarding Operators?

A register of authorized operators. Signup and view all the answers

What is the Operator responsible for during their shift?

The operation of plant and equipment, including spare parts and furniture. Signup and view all the answers

What action should an Operator take if equipment malfunctions occur?

Document the defect for future reference. Signup and view all the answers

What need arises when remote control equipment fails?

Manning of switching stations with qualified staff. Signup and view all the answers

What is the primary requirement before commencing repair work in an emergency situation?

An emergency power block must be obtained. Signup and view all the answers

What should be the approach to repairs during a traffic restoration?

Keep repairs minimal and work at multiple points simultaneously. Signup and view all the answers

What action should an Officer or Supervisor take after temporary repairs are made?

Implement immediate speed restrictions if necessary. Signup and view all the answers

When should a line be cleared for diesel or steam traction?

When restoration of electric traction is unlikely for a short time. Signup and view all the answers

What is included in a typical wiring train setup?

Multiple vans including a workshop and various materials. Signup and view all the answers

What safety measure should be taken once steam or diesel traction is in operation?

Full precautions must be implemented for staff protection. Signup and view all the answers

What is one of the primary roles of the wiring train?

To speed up the repair process of extensive damages. Signup and view all the answers

What procedure should follow the completion of repair work?

Cancel the power block according to prescribed procedures. Signup and view all the answers

Why is it important to keep repairs to a bare minimum during restoration?

To minimize the time traffic is delayed. Signup and view all the answers

What type of precautions should be implemented when restoring traffic with diesel/steam traction?

Comprehensive safety measures for staff at the site. Signup and view all the answers

What should TPC instruct the nearest maintenance gang to do upon receiving the first report of a breakdown?

Proceed immediately to the site with breakdown vehicles. Signup and view all the answers

Which method is recommended for reaching an accident spot if rail-borne vehicles cannot access it?

Direct road vehicles equipped with emergency stores. Signup and view all the answers

Who is responsible for the quick passage of the OHE Inspection Car or wiring train to the site?

The Section Controller, upon request from TPC. Signup and view all the answers

In cases of major breakdowns likely to interrupt traffic for over 12 hours, which officer should also head to the site?

The CEDE for supervising restoration. Signup and view all the answers

What is the primary responsibility in the event of an accident or breakdown?

The responsibility lies with the entire Division. Signup and view all the answers

Which officer should be kept fully informed about the restoration arrangements and expected restoration time?

The Divisional Railway Manager (DRM). Signup and view all the answers

When might assistance from OHE gangs of another division be necessary?

When it is deemed of utmost importance. Signup and view all the answers

What should the Electrical Department Officer in charge of restoration do if they need help?

Ask for assistance from Engineering, Traffic or others as needed. Signup and view all the answers

What is a key action for officers and supervisors when informed of an OHE breakdown?

Proceed to the scene by quickest available means. Signup and view all the answers

What should be the priority when dealing with a breakdown situation?

Restoring traffic without delay. Signup and view all the answers

What is the primary function of the breakdown gangs located at selected points during peak traffic hours?

To deal promptly with OHE failures Signup and view all the answers

How is the quantity of OHE stores determined for each depot or sub-depot?

As determined by Sr.DEE(TrD) based on experience and operational needs Signup and view all the answers

What should be maintained in good condition at all times as part of the breakdown equipment?

OHE inspections Cars and wiring trains Signup and view all the answers

Which types of breakdowns are specifically highlighted for electric traction?

Sub-station and switching stations, remote control equipment, and OHE feeder lines Signup and view all the answers

What is the essential reason for having experienced traction staff located near traction installations?

To ensure quick response to breakdowns and accidents Signup and view all the answers

What is the initial recommended quantity of OHE stores for handling breakdowns?

3 kilometers of single line materials Signup and view all the answers

What should be included in the scrutiny of OHE store inventories during periodic inspections?

Verifying the availability of required OHE materials Signup and view all the answers

What is the primary role of an Operator during a shift at a switching station?

Carry out emergency switching operations as instructed by TPC. Signup and view all the answers

What must an Operator do before taking over their duties?

Review the equipment operation rules and familiarize themselves with the equipment. Signup and view all the answers

What is specifically forbidden for an Operator on shift duty?

Leaving the post station unless relieved by an authorized person. Signup and view all the answers

How often must the log book be signed during the shift change?

Every time there's a change in Operators at the shift. Signup and view all the answers

Who is responsible for the training and declaration of competence of the Operators?

AEE (TrD). Signup and view all the answers

What information is NOT required to be recorded in the Operator's log book?

The Operator's personal comments. Signup and view all the answers

What action must be taken during a shift when remote control equipment is not functioning?

Manual emergency switching operations should be arranged. Signup and view all the answers

What document must TPC maintain regarding Operators?

A register of authorized operators who have been trained. Signup and view all the answers

What should be done with equipment after a shift is completed?

A status handover must be given to the incoming Operator. Signup and view all the answers

What is the immediate action that staff must take if they are unable to fulfill their shift duty?

Notify TPC at once. Signup and view all the answers

Which of the following is NOT a telecommunication channel available for urgent messages if the TPC circuit fails?

Satellite communication. Signup and view all the answers

What type of OHE breakdown specifically involves the interaction of pantographs with the OHE?

Entanglement. Signup and view all the answers

Which action should be immediately taken for every breakdown of OHE?

Attend to it urgently. Signup and view all the answers

What is required from the engine crew in relation to OHE defects?

Report immediately to TPC any defects noticed. Signup and view all the answers

What should be the condition of a controlled post to avoid prolonged local control?

Restoration of remote control. Signup and view all the answers

In case of a breakdown of the P&T cable, which channel is NOT mentioned as an alternative for communication?

Mobile network providers. Signup and view all the answers

Which of the following is NOT classified as a common type of OHE breakdown?

Equipment power failure. Signup and view all the answers

What ensures quick restoration of normal communication facilities after a defect?

Close coordination among department officials. Signup and view all the answers

Which condition justifies urgent repairs for OHE breakdowns?

Any breakdown can impact high-density traffic. Signup and view all the answers

What is a potential risk associated with the introduction of splices in OHE conductors?

Delay in restoration of normal electric services Signup and view all the answers

Why are guys used in both perpendicular and parallel directions to the track for temporary structures?

To provide extra safety against heavy wind load Signup and view all the answers

What material is layered to prevent rusting of the GI pipes in temporary diversion structures?

Bituminous compound Signup and view all the answers

How are the 80 mm diameter GI pipes secured in their position within the temporary structures?

Through the weight of the rails that keep the structure stable Signup and view all the answers

What is a critical consideration before slewing the OHE conductors for crane operation?

Obtaining specific orders from senior electrical staff Signup and view all the answers

What is the first responsibility of TPC upon receiving a breakdown report?

Switch off power supply to the affected lines Signup and view all the answers

What information should be prioritized when reporting a breakdown to TPC?

Detailed information on the nature and location of the breakdown Signup and view all the answers

Which action may TPC decide based on the site conditions during a breakdown?

Allow steam and diesel trains to pass through Signup and view all the answers

When should the SM or Section Controller issue a caution order?

Upon receipt of complete breakdown information Signup and view all the answers

What should be done regarding OHE conductors that are hanging?

Assume they are live and warn people away Signup and view all the answers

How should the breakdown staff prepare for transportation to the site of an incident?

Ensure all necessary tools are accounted for Signup and view all the answers

Which statement best describes the role of the person reporting a breakdown to TPC?

To remain accessible for further inquiries from TPC Signup and view all the answers

What should be the main focus of TPC when deciding on traffic restrictions during a breakdown?

To balance safety with service continuity Signup and view all the answers

What is a potential consequence if power is not isolated quickly after a breakdown?

Higher risk of accidents involving electric trains Signup and view all the answers

During an OHE breakdown, why might it be beneficial to implement single line working?

To maintain some level of service efficiency Signup and view all the answers

Study Notes

Knowledge of Rules and Breakdowns

All officers and supervisors in the Traction Branch must be familiar with accident reporting rules and other relevant instructions.
Supplementary instructions for traction installations are provided, but do not override general official manuals.
Electrical accidents are covered in Volume I.

Types of Breakdowns

Breakdowns are categorized into sub-station and switching stations, remote control equipment and cables, and OHE feeder lines and transmission lines.

Breakdown Gangs

Maintenance gangs typically handle accidents and breakdowns.
Experienced traction staff, stationed near installations, are crucial for quick response to breakdowns and accidents.
Breakdown gangs of appropriate strength are located at points in electric suburban sections to quickly respond to OHE failures, especially at peak traffic times.

Emergency Stores and Breakdown Equipment

Each OHE depot/sub-depot should have a specific quantity of spare parts (masts, conductors, insulators, etc.) for breakdowns.
Initial inventory should cover 3 kilometers of single line.
Quantities can be adjusted based on experience.
OHE stores inventory should be regularly maintained and inspected.
Equipment such as inspection cars, wiring trains, breakdown lorries, and tools (clamps, ladders, etc.) must be in good working order.

Record of Staff Emergency Staff

A register of staff addresses (particularly those in railway quarters or near stations) is needed to quickly contact staff.
Phone numbers of officers and supervisors are also to be kept up to date.
Telephone equipment should be checked monthly for functionality.

Sub-Station and Switching Station Breakdowns

Traction transformer breakdowns are infrequent at sub-stations because of total redundancy (100% backup).
Repair and overhaul facilities for transformers should be available at central railway repair shops.
Crane bays, oil storage tanks, a purification plant, a workshop for repairs, and oil-testing equipment are essential at the repair shops.

Mobile Power Van

Each railway with traction transformers should have a mobile power van.
A generator is required, as well as capacity for oil purification and a small mobile workshop.
This allows on-site repairs of traction transformers, eliminating the need to bring them to a central repair shop.

Breakdown of Remote Control Equipment

Remote control operations should be suspended if the P&T cable or equipment fails.
Qualified staff is needed for manual switching operations under such circumstances.
A list of authorized operators is to be kept up to date for this purpose.

Restoration of Remote Control

Remote control should be restored as quickly as possible.
Alternative communication channels (telephone, local lines, wireless, microwaves) should be available if the primary line fails.
Coordination between departments (Traction Distribution, S&T, and DOT) is essential for quick restoration.

OHE Breakdowns

OHE breakdowns like uprooting of masts, entanglement of pantographs, snapping of conductors, are common incidents.
Engine crews need to report any detected OHE defects.
Immediate measures to restore traffic should be taken.
Staff must implement safety precautions for themselves and others.

Protective Steps

Section controllers should regulate traffic and issue relevant cautions related to affected lines after the receipt of OHE breakdown notifications.
Single-line operation may be implemented.
Ensure no one comes into contact with live suspended OHE parts.

Continuous communication with TPC

Field staff needs to remain on call for maintenance.
Thorough assessment of breakdowns by initial staff arriving is critical.
Request additional gangs and equipment if required.

Preservation of Evidence

Note relevant details of OHE breakdowns, and create sketches
Preserve evidence for potential causes investigation.

Temporary Repairs

In critical cases, restoring traffic with minimum repairs is priority.
Staff safety should be ensured and traffic restrictions implemented.
If necessary, switch to diesel/steam traction for periods of OHE repair
Utilize special equipment like wiring trains where extensive damage is present to speed up repairs.

Temporary Diversions

Temporary wiring diversions might be needed due to track disruptions or incidents.

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Description

This quiz covers the essential rules and protocols related to accidents and breakdowns in the Traction Branch. It emphasizes the importance of familiarizing with accident reporting and the roles of breakdown gangs in maintaining the electrical infrastructure. Test your knowledge on the categorization of breakdowns and the equipment used in emergencies.