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What is the purpose of checking and issuing Signalling Interlocking Plans and Locking Tables/Control Tables?
What is the purpose of checking and issuing Signalling Interlocking Plans and Locking Tables/Control Tables?
What is the significance of the Aspect Sequence Chart?
What is the significance of the Aspect Sequence Chart?
What type of information is provided in the Detection Table?
What type of information is provided in the Detection Table?
Who is authorized to approve and sign the Signalling Interlocking Plans and Locking Tables/Control Tables?
Who is authorized to approve and sign the Signalling Interlocking Plans and Locking Tables/Control Tables?
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What is the purpose of the Signalling Interlocking plan?
What is the purpose of the Signalling Interlocking plan?
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What is the significance of the list of Main routes with overlaps and Shunt routes?
What is the significance of the list of Main routes with overlaps and Shunt routes?
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What is the purpose of checking the kilometrage and class of level crossings within the station limits?
What is the purpose of checking the kilometrage and class of level crossings within the station limits?
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What is the significance of the Reference to approved Engineering plan?
What is the significance of the Reference to approved Engineering plan?
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What is the primary consideration when designing electronic interlocking systems?
What is the primary consideration when designing electronic interlocking systems?
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What is the recommended method for indicating alterations to existing installations?
What is the recommended method for indicating alterations to existing installations?
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What is the purpose of using dual OFC in Distributed type of Electronic Interlocking?
What is the purpose of using dual OFC in Distributed type of Electronic Interlocking?
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What is the benefit of ensuring uniformity of designs in the same section/station?
What is the benefit of ensuring uniformity of designs in the same section/station?
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What is the purpose of the Control Table in electronic interlocking systems?
What is the purpose of the Control Table in electronic interlocking systems?
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What is the primary consideration when designing control panels for electronic interlocking systems?
What is the primary consideration when designing control panels for electronic interlocking systems?
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What is the purpose of the Relay contact analysis in electronic interlocking systems?
What is the purpose of the Relay contact analysis in electronic interlocking systems?
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What is the primary consideration when selecting a type of electronic interlocking system?
What is the primary consideration when selecting a type of electronic interlocking system?
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What is the primary purpose of attaching a descriptive document with document/file number to the drawings?
What is the primary purpose of attaching a descriptive document with document/file number to the drawings?
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Which paragraph provides guidelines for the indications to be provided for control panels?
Which paragraph provides guidelines for the indications to be provided for control panels?
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Which component is crucial for the proper functioning of the signalling system?
Which component is crucial for the proper functioning of the signalling system?
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What is the primary purpose of the route release circuits?
What is the primary purpose of the route release circuits?
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Which feature is essential for ensuring safety in signalling systems?
Which feature is essential for ensuring safety in signalling systems?
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What is the primary purpose of the interface with electronic interlocking systems?
What is the primary purpose of the interface with electronic interlocking systems?
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What is the primary concern when designing circuits using electronic devices?
What is the primary concern when designing circuits using electronic devices?
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Which component is responsible for displaying signal indications in the control panel?
Which component is responsible for displaying signal indications in the control panel?
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What is the primary purpose of the bonding diagrams of track circuits?
What is the primary purpose of the bonding diagrams of track circuits?
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What is the significance of the 'Normal' and 'Reverse' indication slits on points numbers?
What is the significance of the 'Normal' and 'Reverse' indication slits on points numbers?
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What is the purpose of the Crank handle Key-In/Key-Out indications for each crossover?
What is the purpose of the Crank handle Key-In/Key-Out indications for each crossover?
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What is the purpose of the diagrams of connections at track, line and other relays?
What is the purpose of the diagrams of connections at track, line and other relays?
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What is the significance of the sub route cancellation symbol in blue colour with white dot?
What is the significance of the sub route cancellation symbol in blue colour with white dot?
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What is the purpose of the relay interlocking circuits diagrams?
What is the purpose of the relay interlocking circuits diagrams?
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What is the purpose of the diagrams of Location/Junction boxes?
What is the purpose of the diagrams of Location/Junction boxes?
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What is the purpose of the track layout as per approved signalling interlocking plan?
What is the purpose of the track layout as per approved signalling interlocking plan?
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What is the primary purpose of preparing 'Signalling & Interlocking Plans' for Station and Automatic Block Section?
What is the primary purpose of preparing 'Signalling & Interlocking Plans' for Station and Automatic Block Section?
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What should be noted on the plans of Station, Automatic Block Section and LC Gate?
What should be noted on the plans of Station, Automatic Block Section and LC Gate?
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What should be checked on receipt of the Engineering Scaled Plan (ESP)?
What should be checked on receipt of the Engineering Scaled Plan (ESP)?
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What is the requirement for issuing Typical drawings?
What is the requirement for issuing Typical drawings?
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What should be ensured by the Signal and Telecommunication Engineer incharge?
What should be ensured by the Signal and Telecommunication Engineer incharge?
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Why are relevant notes written on the drawings?
Why are relevant notes written on the drawings?
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What should be indicated on the plans of the station?
What should be indicated on the plans of the station?
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What should be shown on the plan of the station?
What should be shown on the plan of the station?
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What is the primary consideration in designing signalling systems?
What is the primary consideration in designing signalling systems?
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What is the purpose of using dual OFC in Distributed type of Electronic Interlocking?
What is the purpose of using dual OFC in Distributed type of Electronic Interlocking?
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According to RDSO standards, what is the recommended method for indicating alterations to existing installations?
According to RDSO standards, what is the recommended method for indicating alterations to existing installations?
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What is the significance of ensuring uniformity of designs in the same section/station?
What is the significance of ensuring uniformity of designs in the same section/station?
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What is the recommended way to fold a print from scanned tracing?
What is the recommended way to fold a print from scanned tracing?
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What is the purpose of the classification number on each drawer of the index card cabinet?
What is the purpose of the classification number on each drawer of the index card cabinet?
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What should be ensured in the design of control panels for electronic interlocking systems?
What should be ensured in the design of control panels for electronic interlocking systems?
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What should be guarded against when storing plans?
What should be guarded against when storing plans?
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What is the purpose of the Relay contact analysis in electronic interlocking systems?
What is the purpose of the Relay contact analysis in electronic interlocking systems?
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What is the significance of the code word 'IRS' in signalling drawings?
What is the significance of the code word 'IRS' in signalling drawings?
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What is the primary consideration when selecting a type of electronic interlocking system?
What is the primary consideration when selecting a type of electronic interlocking system?
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What should be visible when a print from scanned tracing is folded?
What should be visible when a print from scanned tracing is folded?
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What is the purpose of attaching a descriptive document with a document/file number to the drawings?
What is the purpose of attaching a descriptive document with a document/file number to the drawings?
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What should be done when sending a tracing from one office to another?
What should be done when sending a tracing from one office to another?
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What should be ensured when storing drawings in drawers?
What should be ensured when storing drawings in drawers?
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What should be included on each card in the index card filing system?
What should be included on each card in the index card filing system?
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What should be maintained in a book form separately bound in suitable folders?
What should be maintained in a book form separately bound in suitable folders?
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What should be published by the Railway for the information of the staff?
What should be published by the Railway for the information of the staff?
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What is the purpose of the Various Books of Reference among the Staff?
What is the purpose of the Various Books of Reference among the Staff?
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Where should soft copies of drawings be stored?
Where should soft copies of drawings be stored?
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What should be included in the Divisional Library?
What should be included in the Divisional Library?
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What is included in Annexure 8-A1?
What is included in Annexure 8-A1?
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What is the purpose of maintaining a book form of typical drawings and plans?
What is the purpose of maintaining a book form of typical drawings and plans?
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Which drawing is included in the Chapter 8 Appendix II?
Which drawing is included in the Chapter 8 Appendix II?
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Who is responsible for checking and approving cable plans, power supply distribution diagrams?
Who is responsible for checking and approving cable plans, power supply distribution diagrams?
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What should be ensured when storing soft copies of drawings?
What should be ensured when storing soft copies of drawings?
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What is the level of checking required for circuit diagrams submitted by contractors or firms?
What is the level of checking required for circuit diagrams submitted by contractors or firms?
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Who receives a copy of the 'Rules for the opening of a Railway for the Public carriage of passengers'?
Who receives a copy of the 'Rules for the opening of a Railway for the Public carriage of passengers'?
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What is the purpose of publishing lists of standard drawings and plans?
What is the purpose of publishing lists of standard drawings and plans?
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What is the purpose of the Chapter 8?
What is the purpose of the Chapter 8?
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Who is responsible for approving and signing detailed wiring diagrams for individual stations?
Who is responsible for approving and signing detailed wiring diagrams for individual stations?
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What is the level of checking required for HQ level drawings such as SIP, TOC, Circuit diagrams?
What is the level of checking required for HQ level drawings such as SIP, TOC, Circuit diagrams?
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What should be maintained in a secured computer server?
What should be maintained in a secured computer server?
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Who does not receive a copy of the 'Rules for the opening of a Railway for the Public carriage of passengers'?
Who does not receive a copy of the 'Rules for the opening of a Railway for the Public carriage of passengers'?
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What is the main focus of Chapter 8?
What is the main focus of Chapter 8?
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Who is responsible for checking and approving interface drawings for divisional/unit level?
Who is responsible for checking and approving interface drawings for divisional/unit level?
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What is included in the Drawings in Appendix II of Chapter 8?
What is included in the Drawings in Appendix II of Chapter 8?
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What is the level of checking required for power distribution diagrams?
What is the level of checking required for power distribution diagrams?
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Who is responsible for approving and signing cable core plans, cable route plans?
Who is responsible for approving and signing cable core plans, cable route plans?
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What is the level of checking required for circuit diagrams for individual stations?
What is the level of checking required for circuit diagrams for individual stations?
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Study Notes
Signalling Interlocking Plans and Locking Tables
- Signalling interlocking plans and locking tables shall be checked in full at two levels by an officer before they are approved and signed by an officer in Junior Administrative grade or above, authorised by the Principal Chief Signal and Telecommunication Engineer.
Track Layout
- Track layout as per approved signalling interlocking plan with symbol for direction of traffic for each line of the layout
- Nomenclature of each line/siding, boards for BSLB/GWB/STOP, SM's key In/Out indications, SI cancellation Key-In indication
- Provision of all un-blocking, list of all emergency counters, relevant signalling details such as track section numbers with route set-clear/set-occupied or occupied lit indications in different colour
Signalling Details
- Main/calling-on/shunt signal numbers with timer, locked indication & each aspect indications
- Points numbers with 'Normal' & 'Reverse' indication slits, locking indications, sub-route cancellation symbol in blue colour with white dot
- Each signal route initiation & signal overlap set/release timer indications
- Block instruments status LCPR/SR/Block release indications, Crank handle Key-In/Key-Out indications for each crossover
- Status of active/standby VDU, Link status, health status, OC/CIU status, CRC/Checksum, Date/Time, colour scroll for flashing indication
Bonding Diagrams
- Bonding diagrams of track circuits for each yard showing complete layout and diagrams of individual track circuit showing location of insulation joints, jumpers, relay and feed ends, polarity, length, traction bonds etc.
Diagrams of Connections
- Diagrams of connections at track, line and other relays, as necessary for each track circuited yard
- Diagram of Relay Interlocking, Electronic Interlocking circuits for each yard
- Diagrams of single and double line block instrument circuits
- Diagrams of Location/Junction boxes showing description of wires at terminals for each yard
Control Panels
- Arrangement of relays in relay racks and contact analysis sheet, fuse & terminal analysis sheets for Relay Interlocked/Electronic Interlocked stations
Checking and Approval of Drawings
- Cable plans, power supply distribution diagrams, and circuit diagrams shall be checked in full at two levels by officers before they are approved and signed by the relevant authorities.
- The levels of checking and approval are as follows:
- HQ level: Drawings checked by JE/SSE/D&D, approved by Dy.CSTE or SSTE/D&D
- Divisional/Unit level: Drawings checked by JE/SSE/D&D, approved by DSTE/Sr.DSTE or ASTE
Storage and Filing of Drawings
- Drawings and original tracings should be filed in accordance with the subject classification and index card filing system.
- Each drawer of the index card cabinet should be distinguished by a classification number, and each card should be complete with regards to title, connected drawings, file reference, and drawer number.
- Storage-drawers should have placards on the outside indicating the contents, and plans should be stored flat in shallow drawers to prevent damage.
Indian Railway Standard Drawings
- Indian Railway Standard Drawings are designated by the code word I.R.S. and have been issued by the Director-General, Research Designs and Standards Organisation, Ministry of Railways, Lucknow.
- Signal drawings are marked IRS (S), and Divisional Signal and Telecommunication Engineers should arrange to have the necessary technical literature in the Divisional Library.
Maintenance of Drawings and Specifications
- Typical drawings, plans of working installations, and specifications should be maintained in a book form separately bound in suitable folders.
- Where soft copies are maintained, they should be securely stored division-wise, section-wise, sub-section-wise, and station-wise, with version numbers.
- Standard drawings and plans of working installations should be published by the Railway for the information of the staff.
Design and Preparation of Drawings
- Designs should be in accordance with approved signalling plans, control tables, control panel diagrams, relay contact analysis, and relay rack arrangements.
- Designs should be suitable for the specific type of equipment to be installed, and should ensure uniformity in the same section/station.
- The drawings and designs should be made in accordance with typical templates, RDSO's standard circuits/templates, guidelines, and industry's best practices, keeping in mind the principles of reliability, availability, maintenance, and safety.
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Description
This quiz covers various aspects of railway station operations, including level crossings, block working, and signaling rules. It also includes topics related to gradients and deviations from general rules.
