Rules for Single Line Working by Means of Electrical Speaking Instruments PDF
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This document is a set of rules for single-line working by means of electrical speaking instruments, specifically for railway operations. It includes details on various procedures, such as obtaining authority to proceed, handling inquiries for 'Line Clear', and communicating between stations.
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CHAPTER - VI RULES FOR SINGLE LINE WORKING BY MEANS OF ELECTRICAL SPEAKING INSTRUMENTS 6.01. Preliminary – The rules in this Chapter apply at stations on the Single Line where the normal method of passing trains is by means of Electrical Speaking...
CHAPTER - VI RULES FOR SINGLE LINE WORKING BY MEANS OF ELECTRICAL SPEAKING INSTRUMENTS 6.01. Preliminary – The rules in this Chapter apply at stations on the Single Line where the normal method of passing trains is by means of Electrical Speaking Instruments and also at stations where the Electric Block Instruments have failed. 6.02. Authority to proceed – (a) The authority to proceed shall be a Paper Line Clear Ticket, no engine or train shall leave a station unless the Loco Pilot has in his possession a Line Clear Ticket written on the authorized form and applicable to the Block Section which the train is about to enter. (b) Sub-rule (a) does not apply (i) when an engine or train enters a Block Section to assist a disabled train, and (ii) when there is a Total Interruption of Communication (c) When it is necessary to give a Loco Pilot any special instructions respecting the road, or any other circumstances demanding cautious driving, the paper Line Clear Ticket shall be supplemented by a Caution Order on Form T/409. 6.03. Line Clear Enquiry Message Books – Line Clear Inquiry Message Book contain 50 pages, progressively numbered. 6.04. Line Clear Enquiry Message (Outward/Inward) – (a) The form in use for obtaining line clear is “Line Clear Enquiry Message (Outward/Inward)”, T/A 1425 or T/B 1425. 6.05. Conditional Line Clear Ticket – (a) Conditional Line Clear Ticket for up in Form T/G 602 is a form in red font with a water arrow mark in the middle facing upward. The Station Master will sign the form only after mentioning the time the last train left and endorsing the Private Numbers in support of “Line Clear”. He also shall mention the particulars of last three trains left and particulars of three trains to follow. For Loco Pilots, as special instruction it is mentioned there in that when following a train keep sharp look out at speed not exceeding 25 KMPH when view ahead is clear and 10 KMPH or less when view is impaired due to any reason. (b) The Conditional Line Clear Ticket shall not be signed by the Station Master or renewed from the book until the train, on the arrival of which its issue is contingent, has arrived complete and shall only be used on sections where 85 Conditional Line Clear Working is authorized by approved special instructions and during failure of telephonic or other electrically operated means of communication and trains have to be worked according to the rules as laid down in Chapter VII. (c) Conditional Line Clear Ticket for Dn in Form T/H 602 is same form as described in 6.05 (a) except only water colour arrow heading downward. 6.06. The contents of Line Clear Inquiry Message of Inquiry Forms – In both Up and Down Line Clear Inquiry Message Forms are used for recording the messages that pass between the two stations concerned, namely – A. – Line Clear Enquiry. B. – Reply received to Line Clear Enquiry from station. C. – Out report dispatched to station. D. – In report received from station. 6.07. Messages not to be recorded in wrong way – Messages dispatched to and received from one station shall not on any account be entered wrongly. According to the sequences all the entries shall be made. 6.08. Cancelling Line Clear – When a “Line Clear” is cancelled, all the entries relating to it shall be remarked “Cancelled” and the foils preserved. 6.09. Describing trains in messages. – In Inquiries for “Line Clear” and in replies to them the train shall be distinctly described thus “No. 1 Up Mail” or “No. 101 Up Goods or No. 102 Down goods” as the case may be. A separate inquiry and reply message shall be sent for each train and on no account shall a Line Clear message received for one train be used for another train. 6.10. Persons authorized to obtain and give “Line Clear” – No one except the Station Master on duty is permitted to give or ask for “Line Clear”. 6.11. Numbering of messages. – (a) Every message dispatched from a station shall be numbered consecutively to stations on either side from midnight to midnight commencing with No. 1 to each station. (b) When a message is in reply to another, each station’s consecutive number shall be quoted at the beginning of the message, thus – “No……………………..Your No……………………… (c) When the message bears reference to a former message in the same direction the number of that message shall also be quoted at the beginning, as in the case of a Line Clear Message being cancelled, thus – “No……………Your No…………………..and my No………………….. 86 6.12. Inquiry for “Line Clear” or Line Clear Inquiry Message – This message is dispatched from a station asking the station in advance if the line is clear for a train which is either waiting or expected to arrive. 6.13. Procedure in sending inquiry Message – This message shall be written by the Station Master in his Line Clear Inquiry Message (Inward/Outward) Book in space “A” and communicated as soon as it has been written out. The time of dispatch being entered on it together with the detail of the Last Train which passed over the section. 6.14. When Line Clear Inquiry Message should be sent – (a) When the Station Master on duty receives the Train Entering Section advice or is informed that a train is approaching his station, he shall apply for Line Clear to the next station in advance. (b) In cases where owing to the run between stations being short there would not be sufficient time to ask for and receive “Line Clear” under the provisions of the foregoing paragraph without causing delay to trains, the Line Clear Inquiry message shall be dispatched to the station in advance immediately Line Clear is given to the station in rear. (c) At terminal station and where trains have long halls, the Inquiry Message shall not be sent more than 15 minutes before a train is due to leave. 6.15. Replies to Inquiries –On receiving an inquiry as to whether the Line is Clear, the Station Master shall give a reply in accordance with the prevailing conditions and prescribed rules. 6.16. Train Entering section – (a) This message shall be dispatched on the departure of a train from a station and shall be recorded in space “C” of the Line Clear Inquiry Message (Inward/Outward) Book. (b) The Station Master receiving the “Train Entering Section” messages shall enter it in space “C” of the Line Clear Inquiry Message (Inward/Outward) Book. 6.17. Train Out of Section – (a) This message shall be dispatched when a train has arrived complete and the conditions under which “Line Clear” for another train in the same direction can be given, have been complied with. This message shall be recorded in space “D” of T/A 1425. (b) The Station Master receiving the TOs advice shall record it in space “D” of T/B -1425 form. 6.18. (I) Obstruction outside the Outer signal – The line outside the outer signal shall not be obstructed unless the line has been blocked back. (II) Blocking Back – The following is the method of blocking back - If Line Clear has not been given for a train to approach the Station Master of the shunting station shall communicate by means of electrical speaking instruments to the next station concerned as follows – 87 “I am blocking section back for shunting purpose. Private Numbers…………………………” The Station Master receiving this advice shall acknowledge it as follows – “I note the section is to be blocked back for shunting purposes. Private Numbers…………………………..” As soon as the Block Section is cleared the shunting station shall communicate by means of electrical speaking Instruments as follows – “Shunting has been completed Block section is clear. Private Numbers……………………….” The Station Master receiving this message shall reply as follows – “I note shunting has been completed and Block Section is clear. Private Numbers…………………………” 6.19. Writing and signing Trains Messages – (a) All Inquiry and Line Clear messages shall be written in black ink or using a dot pen and signed in full by the Station Master. (b) Every messages relating to the passage of trains shall first be written in the Line Clear Inquiry Message Book as prescribed and then communicated word for word. Such messages shall be written immediately before these are required to be communicated and not in advance. 6.20. Writing signing and dating Paper Line Clear Tickets – (a) All written matter on Paper Line Clear Tickets shall be entered with the greatest care every word and number including the Station Master signature being carefully and distinctly written. The date shall be clearly written in numerals thus “9.2.79” and not thus “9th February 1979.” The name of issuing and destination stations shall be written in full and in addition the code initials of both the issuing station and the destination station shall be inserted in block letters in the spaces provided for the purpose. (b) Signing and dating the Authority to proceed – In all cases the date and time of receipt of the Line Clear Inquiry Message shall be entered on the Paper Line Clear Ticket and Station Master shall be careful to see that this is done before signing the Paper Line Clear Ticket. And then it shall be handed over to Loco Pilot. (c) Station Masters shall be held responsible for the accuracy of the Paper Line clear Ticket and no alteration or correction shall be permitted on a Paper Line Clear Ticket whether initialed or not. (d) A Paper Line Clear Ticket without the signature of the Station Master and the date is to be treated as incomplete and shall not be accepted as an Authority to Proceed. Loco Pilots shall satisfy themselves that the Paper Line Clear Ticket is complete in every detail i.e. – (i) that the date and time of receipt are noted thereon. (ii) That it applies to his train, and (iii) That the Private Numbers is entered both in figures and words. 88 In the event of any of these details being omitted or incorrectly entered the Loco Pilot shall not proceed until the Station Master gives him a correct Line Clear Ticket. He should, if requested by the Station Master state in what way it is incorrect. (e) All incorrect Paper Line Clear Ticket shall be retained by the Loco Pilot and not surrendered by him to anyone except the Running Shed Foreman to whom he shall report the matter. The Running Shed Foreman/Traction Loco Controller shall in turn submit a report to the Divisional Railway Manager enclosing the incorrect Paper Line Clear Ticket. (f) A Paper Line Clear Ticket which is required to be cancelled in order to give precedence to another train is not to be treated as incorrect but shall be surrendered by the Loco Pilot/Motorman to the Station Master on request. 6.21. Private Numbers – (a) Every Line Clear message shall be allotted a Private Numbers by the Station Master giving “Line Clear”. (b) The Private Numbers shall form part of the Line Clear Inquiry message and shall be communicated as the last words in it. It shall be entered on the Paper Line Clear Ticket both in figures and words thus – P.N. 24 – twenty-four. (c) When Private Numbers are given by means of telephone in order to avoid error or confusion the number should be given and acknowledged in three different ways e.g. “Thirty six”, “Three-six” and “Chhatis”. (d) A Private Numbers allotted to a “Line Clear” subsequently cancelled hall not be re-allotted. A fresh number shall be given to each “Line Clear” whether cancelled or not. 6.22. Private Numbers Sheet – (a) The Station Master shall be provided with sheets of numbers printed in groups of five. One sheet only shall be in use at a time for both Up and Down trains (Main as well as Branch lines) and for all purposes for which Private Numbers are used. Private Numbers shall be allotted in the order in which they are printed on the sheet and each Private Numbers as it is allotted shall be scored out by a line drawn diagonally across it, the occasion for which is used being entered against it thus – Private No. Stn. Purpose for which Transmitted utilized to 16 BRP 17 Up L/C 9 MGT 14 Dn. L/C Used. 72 BRP 151 Up L/C 22 Unused at the end of day. 92 13 82 69 44 35 89 (b) Any numbers of a group of five which have not been allotted up to mid night shall be scored through vertically the next days date being written at the head of the next group of five as shown above. 6.23. The Same Private Numbers appearing consecutively. Should it occur from any cause (such as a misprint or the changing form one group to another that a Private Numbers is the same as the last one issued the issuing station shall cancel this number in his sheet, and the remark “Same as Last Private Numbers” sign it and issue the next different number. Should the message have been completed before the duplication of numbers is discovered it shall be cancelled and entirely rewritten with a fresh and different Private Numbers. 6.24. Custody of Private Numbers Sheet – Private Numbers sheets in stock shall be kept under lock and key by the Station Master who shall issue one sheet at a time as required and see that an adequate supply is always on hand. The sheet in use shall also be kept under lock and key by the Station Master on duty, who shall be responsible for seeing that no other person is allowed to see or have access to it and when he goes off duty shall hand it over to his relief. Each sheet as it becomes exhausted shall be sent in a sealed envelop to the Divisional Railway Manager. 6.25. Delivery of Paper Line Clear Ticket Form – (a) The Station Master shall be responsible for seeing that the proper Paper Line Clear Ticket for the proper direction into which the train is proceeding is given to the Loco Pilot. (b) The Station Master shall be responsible for seeing that every member of his staff through whose hands Paper Line Clear Ticket Form may have to pass is acquainted with difference between Up and Down Paper Line Clear Ticket Form and that they know which is the Up and which is the Down direction. (c) When a train stops at a station the Paper Line Clear Ticket shall be handed to the Loco Pilot by one of the Group-D staff appointed by the Station Master to do so where conditional Line Clear working is authorized. If a train is detained to cross another train the Station Master shall not issue the Paper Line Clear Ticket until the whole of the other train has arrived clear of the points and particulars of its arrival have been entered on the Paper Line Clear Ticket. (d) In the case of a non-stopping train, the Paper Line Clear Ticket Form shall be delivered to the Loco Pilot at the outermost facing points by means of a Loop. At night a lighted torch shall be displayed, so that the Loop can be seen by the Loco Pilot. 6.26. Disposal of Paper Line Clear Ticket Forms – (a) The Loco Pilot shall hand over all Paper Line Clear Ticket Forms to the Running Shed Foreman at the end of the run. (b) The Running Shed Foreman shall in turn send them to the Divisional Railway Manager’s Office where they shall be checked before being destroyed. 6.27. Disposal of used Paper Line Clear Ticket Books – Used Paper Line Clear Ticket Books shall be retained at stations intact for six months and then be disposed of in accordance with instructions issued from time to time. 90