TRAFFIC AND ENGINEERING BOARD SHUNTING LIMIT BOARD (SLB) GR.3.32
1. A rectangular board painted yellow with a black cross on the facing side
2. It bears the words “Shunting Limit” under the cross mark.
3. A small white light is lit up at night – visible from both directions.
4. It is provided at a class ‘B’ station worked on the Absolute Block system on single line section, if there is no Advance Starter of the opposite side at an adequate distance from the First Stop Signal (FSS). It is provided irrespective of signalling system.
5. It is provided at a distasnce of 400 meters from the First Stop Signal in TALQ system and at a distance of 180 meters from the FSS in MAUQ/MACLS system.
6. It demarcates the boundaries of Station Section and Block Section.
7. Station Section may be enhanced providing Shunting Limit Board.
8. It is not a signal
BLOCK SECTION LIMIT BOARD (BSLB)
1. A rectangular board painted yellow with a black cross on the facing side bearing the words “Block Section Limit”.
2. A small white light is lit up at night visible from both directions.
3. It demarcates the boundaries of station section and Block section.
4. It is not a signal. 5. Placed not less than 180 m inside the First Stop Signal (FSS) and clearing the respective fouling mark.
6. The following conditions are necessary for providing a BSLB.
a) ‘B” class station
b) Double line section
c) Worked under Absolute Block System.
d) Equipped with Multiple Aspect Signalling.
e) Outer most point (at an adequate distance from the FSS) is not facing or there is no point at the approaching end of the train.
1. A rectangular board painted yellow with a black cross on the facing side
2. It bears the words “Shunting Limit” under the cross mark.
3. A small white light is lit up at night – visible from both directions.
4. It is provided at a class ‘B’ station worked on the Absolute Block system on single line section, if there is no Advance Starter of the opposite side at an adequate distance from the First Stop Signal (FSS). It is provided irrespective of signalling system.
5. It is provided at a distasnce of 400 meters from the First Stop Signal in TALQ system and at a distance of 180 meters from the FSS in MAUQ/MACLS system.
6. It demarcates the boundaries of Station Section and Block Section.
7. Station Section may be enhanced providing Shunting Limit Board.
8. It is not a signal
BLOCK SECTION LIMIT BOARD (BSLB)
1. A rectangular board painted yellow with a black cross on the facing side bearing the words “Block Section Limit”.
2. A small white light is lit up at night visible from both directions.
3. It demarcates the boundaries of station section and Block section.
4. It is not a signal. 5. Placed not less than 180 m inside the First Stop Signal (FSS) and clearing the respective fouling mark.
6. The following conditions are necessary for providing a BSLB.
a) ‘B” class station
b) Double line section
c) Worked under Absolute Block System.
d) Equipped with Multiple Aspect Signalling.
e) Outer most point (at an adequate distance from the FSS) is not facing or there is no point at the approaching end of the train.
WARNING BOARDS SR. 3.26-5
The Warning Boards are provided to warn the LP that he is approaching to a stop signal. They are of three types
a) Passenger Warning Board
b) Admiral Board
c) Advance Approach Warning System Board.
PASSENGER WARNING BOARD
The Warning Boards are provided to warn the LP that he is approaching to a stop signal. They are of three types
a) Passenger Warning Board
b) Admiral Board
c) Advance Approach Warning System Board.
PASSENGER WARNING BOARD
- It is a rectangular board with yellow stripes diagonally painted on black background facing towards the approaching train.
- It is located at 1000 meters in rear of the First Stop signal/ Gate Stop signal. But at the stations where there is Distance Signal provided at a distance of 1000 meters from the FSS or there is a Warner Signal on a single post itself, the Passenger Warning Board is not provided.
- Intention is to warn the LP of the approaching train that he/ she is approaching the First Stop signal of a station/ Gate Stop signal.
- The yellow strips on this board are reflected by the head light of the approaching train at night.
ADMIRAL BOARD (GOODS WARNING BOARD)
ADVANCE APPROACH WARNING SYSTEM BOARD
- It is a rectangular board with a circular yellow band at the centre and two yellow horizontal bands one above and the other below the circular band on a black background facing towards the approaching train.
- It is located at 1400 meters in rear of the First Stop signal/ Gate Stop signal.
- Intention is to warn the LP of the approaching train that he is approaching the First Stop signal of a station/ Gate Stop signal.
- It is provided when the maximum speed of a passenger train on that section is more than 100 KMPH and maximum speed of Goods train is 72 KMPH and above.
- The yellow strips on this board are reflected by the head light of the approaching train at night.
ADVANCE APPROACH WARNING SYSTEM BOARD
- This is a yellow Circular board with black slant strips on it.
- This signals are provided at sections (except in automatic section) where the sectional speed of the train is more than 120 KMPH.
- This board warns that LP of the high speed train that he is approaching the First Stop Signal of the station or the Gate Stop Signal.
- This board is installed at a distance of 1800 meters from the First Stop Signal of the station or from the Gate Stop Signal.
- A magnetic equipment is provided on the track near this board and a same magnetic equipment is also provided in the high speed train running near this board
- As soon as the LP passes this board, an Audio-Visual indication is observed by the LP in the engine. If the LP does not acknowledge this indication within 5 seconds, the brake is applied automatically reducing the speed to 100 KMPH
VISIBILITY TEST OBJECT (VTO)
- Except at that station where under as per the Station Working Rule (SWR), the lights of any signal or its back lights or arms of a semaphore signal are used as VTO, separate visibility objects are provided at a distance of 180 meters from the SM’s office on either end.
- It is a steel or wooden slipper on which black and yellow alternative slant strips are painted.
- It is illuminated at night.
- If the VTO is not visible to the SM during foggy, storm and tempestuous weather, the SM understands that the visibility at his station is poor. And he shall arrange to send the fog signal men to the fog signal post.
FOG SIGNAL POST
- This Fog Signal Post is provided in all stations except in automatic block system.
- It is steel or wooden slipper on which black and white alternative slant strips are painted.
- This post is provided at those stations where it is necessary of use of detonating signal.
- This post is provided at a distance of 270 meters from the First Stop Signal (FSS) of the station.
- It helps the fog signal man in thick and foggy weather. The Fog Signal Man places the first detonator at this post and the other at 10 meters apart.
- In thick and foggy weather when two detonators explodes at this post the LP shall be informed that he is approaching to the FSS of the station and he becomes alert.
NON-BLOCK STATION/D CLASS STATION BOARD
OUT-LYING SIDING INDICATOR
This indicator is provided to inform the LP about the position of the facing points of the outlaying siding. It a yellow circular disk on which the word S is written.
TAIL BOARD GR. 4.16
- IT is a rectangular board on which a black circle is painted.
- This board is provided at those “D” class stations which are situated at curvature and cutting.
- This board is provided at a distance of 500 meters from the ‘D’ class stations.
- As soon as the LP sees this board, he shall sound a long whistle to warn the passengers at the station.
OUT-LYING SIDING INDICATOR
This indicator is provided to inform the LP about the position of the facing points of the outlaying siding. It a yellow circular disk on which the word S is written.
TAIL BOARD GR. 4.16
- It is red circular board on which the word LV is written in white.
- This board is provided to the Guard in his personal store. He uses the same in the day by fixing it on the last vehicle.
- The Station staffs are ensured that the train has arrived completely at the station on seeing this board and the section is cleared thereafter.
ENGINE STOP BOARD SR.3.26-4
ENGINEERING FIXED INDICATORS/ENGINEERING BOARDS
When it is necessary to indicate the LP where trains are to run at a restricted speed or where trains have to come to a stop due to the line being under repairs or due to any other obstructions, the Engineers will provide engineering speed restriction indicators both by day and night to indicate the place where such restrictions are to be observed.
They are of following types
1. Caution Indicators.
2. Speed Indicators.
3. Stop Indicators.
4. Termination Indicators.
5. Continuous Falling Gradient Indicators.
6. Whistle Indicators.
7. W/L Indicators for Level Crossing Gate.
CAUTION INDICATORS
1. It consists of a horizontal board 1.371 meters wide and 0.381 meters deep fishtailed at one end and pointed at the other end.
2. A black cross is painted on it and two black circles at either end of the cross.
3. If there is a speed indicator provided at a distance of 30 meters from the work place, the caution indicator will be provided at a distance of 800 meters from the work place in plain area and at a distance of 930 meters in case of Ghat Section.
4. If there is a stop indicator provided at a distance of 30 meters from the work place, the caution indicator will be provided at a distance of 1200 meters from the work place in plain area and at a distance of 1330 meters in case of Ghat Section
- It is a yellow rectangular board on which the word “ENGINE STOP” is written in black.
- This board is provided on “D” Class station at a distance of 15 meters from the end of the platform where the engine has to stop.
- While stopping the engine at “D” class station the LP shall stop the engine at this board.
ENGINEERING FIXED INDICATORS/ENGINEERING BOARDS
When it is necessary to indicate the LP where trains are to run at a restricted speed or where trains have to come to a stop due to the line being under repairs or due to any other obstructions, the Engineers will provide engineering speed restriction indicators both by day and night to indicate the place where such restrictions are to be observed.
They are of following types
1. Caution Indicators.
2. Speed Indicators.
3. Stop Indicators.
4. Termination Indicators.
5. Continuous Falling Gradient Indicators.
6. Whistle Indicators.
7. W/L Indicators for Level Crossing Gate.
CAUTION INDICATORS
1. It consists of a horizontal board 1.371 meters wide and 0.381 meters deep fishtailed at one end and pointed at the other end.
2. A black cross is painted on it and two black circles at either end of the cross.
3. If there is a speed indicator provided at a distance of 30 meters from the work place, the caution indicator will be provided at a distance of 800 meters from the work place in plain area and at a distance of 930 meters in case of Ghat Section.
4. If there is a stop indicator provided at a distance of 30 meters from the work place, the caution indicator will be provided at a distance of 1200 meters from the work place in plain area and at a distance of 1330 meters in case of Ghat Section
5. By night the indicators for temporary restrictions shall display two yellow lights in the horizontal line, the indicators for permanent restrictions shall however display no light.
6. As soon as the LP sees this board shall immediately control his train and try to see the next indicator.
SPEED INDICATORS
1. This board shall consists of a yellow equilateral triangular board, with 0.914 meters side painted yellow and it shall indicates in kilometres the speed at which a train is to proceed past the indicator.
2. The speed shall be provided for both permanent and temporary restrictions.
3. The indicators for temporary restrictions shall be illuminated by night fixing a hand signal lamp in front of it. The indicator for permanent restrictions shall not be illuminated.
4. This is placed at a distance of 30 meters from the work place.
STOP INDICATOR
1. This shall consist of a horizontal board of 1.371 meters length and 0.381 meters wide and painted red and white vertical strips as shown in the adjacent diagram.
2. It is fixed at a distance of 30 meters from the obstruction.
3. It is illuminated with two red light at night.
4. A man of engineering department shall be deputed at this board with a book with him. The LP shall stop his train at this board and gives his initial in this book with the train No., Name, Date. Then alright signal shall be shown to the LP by this man to proceed with his train.
TERMINATION INDICATOR
6. As soon as the LP sees this board shall immediately control his train and try to see the next indicator.
SPEED INDICATORS
1. This board shall consists of a yellow equilateral triangular board, with 0.914 meters side painted yellow and it shall indicates in kilometres the speed at which a train is to proceed past the indicator.
2. The speed shall be provided for both permanent and temporary restrictions.
3. The indicators for temporary restrictions shall be illuminated by night fixing a hand signal lamp in front of it. The indicator for permanent restrictions shall not be illuminated.
4. This is placed at a distance of 30 meters from the work place.
STOP INDICATOR
1. This shall consist of a horizontal board of 1.371 meters length and 0.381 meters wide and painted red and white vertical strips as shown in the adjacent diagram.
2. It is fixed at a distance of 30 meters from the obstruction.
3. It is illuminated with two red light at night.
4. A man of engineering department shall be deputed at this board with a book with him. The LP shall stop his train at this board and gives his initial in this book with the train No., Name, Date. Then alright signal shall be shown to the LP by this man to proceed with his train.
TERMINATION INDICATOR
1. This is yellow circular board consisting of 0.914 meters diameter disc bearing the letters “T/P” for passenger train and “T/G” for goods train in black as shown in the figure above.
2. The termination indicator for passenger train “T/P” is provided at a distance equal to the length of the longest passenger train running in that section. In the same way the termination indicators for goods train “T/G” is provided at a distance equal to the longest goods train running in that section.
3. The LP of passengers and goods train shall resume their normal speed from these indicators.
4. If the passenger train or the goods train is of short length or it’s an engine then, the LP shall resume their speed on the hand signal of the Guard before the ‘T/P’ or ‘T/G’ board.
CONTINUOUS DOWN GRADIENT INDICATORS
1. This shall consist of a disk 0.91 meter diameter painted yellow and bearing a 0.3 meter high letter “C” with an arrow pointing downwards alongside as shown in the adjacent diagram.
2. This indicator will be provided at the beginning of a long continuous falling gradient.
3. This indicator is provided to warn the LP to keep his train under proper control and within permissible speed limit.
WHISTLE (W) BOARD
1. It is a square yellow board on which the letter “W” in English is painted in black.
2. This board provided where the visibility ahead is not clear to the LP due to curvature or tunnel.
3. The LP shall sound a continuous long whistle as he passes this board.
WHISTLE GATE BOARD
1. It is a square yellow board on which the letter “W/L” in English is painted in black.
2. This board is provided at a distance of 600 meters from the level crossing gate in the direction of approaching train.
3. As soon as the LP sees this board, he shall sound frequently long whistles and keep a sharp look on the Level Crossing Gate.
2. The termination indicator for passenger train “T/P” is provided at a distance equal to the length of the longest passenger train running in that section. In the same way the termination indicators for goods train “T/G” is provided at a distance equal to the longest goods train running in that section.
3. The LP of passengers and goods train shall resume their normal speed from these indicators.
4. If the passenger train or the goods train is of short length or it’s an engine then, the LP shall resume their speed on the hand signal of the Guard before the ‘T/P’ or ‘T/G’ board.
CONTINUOUS DOWN GRADIENT INDICATORS
1. This shall consist of a disk 0.91 meter diameter painted yellow and bearing a 0.3 meter high letter “C” with an arrow pointing downwards alongside as shown in the adjacent diagram.
2. This indicator will be provided at the beginning of a long continuous falling gradient.
3. This indicator is provided to warn the LP to keep his train under proper control and within permissible speed limit.
WHISTLE (W) BOARD
1. It is a square yellow board on which the letter “W” in English is painted in black.
2. This board provided where the visibility ahead is not clear to the LP due to curvature or tunnel.
3. The LP shall sound a continuous long whistle as he passes this board.
WHISTLE GATE BOARD
1. It is a square yellow board on which the letter “W/L” in English is painted in black.
2. This board is provided at a distance of 600 meters from the level crossing gate in the direction of approaching train.
3. As soon as the LP sees this board, he shall sound frequently long whistles and keep a sharp look on the Level Crossing Gate.
