Conditions for granting LC

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Summary

At a Class “B” Station on D/L, the line shall not be considered clear and line clear shall not be given , unless

Text of the circular

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CONDITIONS
FOR
GRANTING
LINE CLEAR

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# REFERENCES
Class “A” Station 	 :-	G R 8.02

Class “B” Station	 :- 	G R 8.03

Class “C” Station 	:-	G R 8.04

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# General
Stations are broadly classified in to two:-
		Block & Non – Block Stations

Under Absolute Block System, Block Stations are further classified as:-
		Class ‘A’, Class ‘B’ & Class ‘C’

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# Class “A” Station
	(a)The whole of last proceeding train has arrived complete.
	(b) All necessary signals have been put back to “ON” behind the said train and
	(c) The line on which it is intended to receive   the incoming train is clear up to the starter, and
	(d) all points have been correctly set and all facing points have been locked for the admission of the train on the said line.

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# Class “A” Station on S/L

![](image51png.jpg)

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# Class “B” Station
	(a)The whole of last proceeding train has arrived complete.
	(b) All necessary signals have been put back to “ON” behind the said train and
	(c) The line is clear at stations equipped with TA signaling up to SLB or  AS (or) up to HS if there is no AS , SLB (or) up to OMFP if there is no AS, SLB & HS.

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# Class “B” station    (Cont’d)
	At a Class “B” Station on D/L, the line shall not be considered clear and line clear shall  not be given , unless
	(a)The whole of last proceeding train has arrived complete.
	(b) All necessary signals have been put “ON” behind the said train and
	(c) The line is clear at stations equipped with TA signaling up to Home Signal (or)

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# Class “B” station    (Cont’d)

At a station equipped with MA signaling
Up to OMFP or BSLB on D/L

On Single Line
The line can not be considered  clear and line clear can not be given , unless line is clear up to SLB or AS or HS on TA & SLB or AS or OMFP

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# Class “B” Station on Single Line Multiple Aspect

![](ContentPlaceholder3.jpg)

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# Class “B” Station on Double Line Multiple Aspect

![C:\Users\Admin\Pictures\Screenshots\Screenshot (1).png](Picture2.jpg)

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![C:\Users\Admin\Desktop\vdu mlsa.jpeg](Picture2.jpg)

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# Class “C” Station

	At a Class “C” Station on S/L or D/L in TA or MA , the line shall not be considered clear and LC shall not be given unless;
	(a)The whole of last proceeding train has arrived complete at least 400 m beyond the HS and is continuing its journey.
	(b) All necessary signals have been put back to “ON” behind the said train and
	(c) provided that  on a S/L, the line is also clear of trains running in the opposite direction towards the Block station from the Block Station at the other end.

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# Class “C” Station   (IBP on D/L MA)

![](image4jpeg.jpg)

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| S.No | Conditions | Class ‘A’ | Class ‘B’ | Class ‘C’ |
| --- | --- | --- | --- | --- |
| 1 | Complete Arrival | Whole of the last preceding Train has arrived Complete. | Whole of the last preceding Train has arrived Complete. | Whole of last Preceding Train passed complete 400m beyond„ Home ‟Signal & Continuing its journey. |
| 2 | Reception Signals | All necessary Reception Signals have been put back to „ON‟ behind the last preceding Train. | All necessary Reception Signals have been put back to „ON‟ behind the last preceding Train. | All necessary Reception Signals have been put back to „ON‟ behind the last preceding Train. |

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| 3 | Line is Clear Upto | Line of Reception upto Starter. | Block Over Lap (BOL) | Home + 400m |
| --- | --- | --- | --- | --- |
| 4 | Points | All the points on the line Of receptions are correctly set & Facing points locked. | -- | -- |

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# REVIEW
Class “A’ Stations are provided on

Two aspect only
Multiple Aspect only
Both 1 and 2
None

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# REVIEW
	At a Class “

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