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Commercialpedia Indian Railways commercial circulars and policies

LINE BLOCK Ref - GR/SR 15.06 I R P W M Compiled by - S Velraj

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TypeCommercial Circular
Topicticket-checking

Summary

SM shall ensure that no Train is occupying or ready to enter the adjacent line before permitting the last Train mentioned in the LB order.

Text of the circular

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# LINE BLOCKRef : - GR/SR 15.06I R P W MCompiled by: - S Velraj

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What is Line Block ?

Totally obstructing a portion of running line,
Outside Station limits
For considerable duration
To carry out Engineering works
TRAFFIC TRAINS NOT PERMITTED

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Application BY Eng Offl not below JE/P.Way to DRM through SM,
At least 24 hours in advance with following details,
Between Stations, Location with KM
Nature of work, Duration
Whether portable tele provided, Spot in Level or Gradient
Last Train after LB required

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SM shall relay message to DRM.
DRM will consider :-
The Traffic in Section
Ensure detention to Trains are minimum & then Permit work.

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Once permitted, SM shall,
Write LB order message on top of TSR in red ink till the work commences.
Remove shunt key at both ends.
Place Line Block Collars on Block Instruments.
Advise LB order to other end SM & to Engineering Official with acknowledgement.

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If LTC asked, Train mentioned in LB order stopped out of course and,
To Guard: LTC issued in duplicate, addressed to NONE.
One copy to Engineering Official at work spot and acknowledge copy to other end SM.
To LP: Caution order issued to stop at WS & Other Station.
LP to stop Train on getting HD signal at work spot.

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# LAST TRAIN CERTIFICATE
	The Line between --------------  Station and    ---------    Station will  be blocked for engineering Purpose from ---hrs after train No., clears section until ---hrs  on ----date.
Station:
Date: 				Signature of SM

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H/O one copy of LTC to Eng  Offl, hand over acknowledgement to other end SM.
If Guard lost LTC, he shall declare that.
Eng Offl issue a written memo to DRM, stating that LB commenced as per the LB order.
If Eng Offl not available at work spot both copies handed over to other end SM.

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Trains Permitted
Traffic Trains – shall not be allowed in any circumstance
Departmental Trains:
Any number of depart Trains, auth in writing by Eng Offl can be started from either end.
Authority: T/A 602
Before starting, SM to suspend B I Working .
Exchange numbered message with other end SM.
PN from other end shall be mentioned in T/A 602
TMM , TW, SPV -  T/465E

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You are authorised to allow Train No…………… description ………….into the Obstructed section between (station)……… ..... and (station)……………. on. .................. Date ………………. at………………..(hours) The section should be cleared before …………..(hours) …………. (minutes the line is obstructed from (kilometre)…………….. to (kilometre)……………… for engineering purposes.
# Written authority from Engineering Official

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It is responsibility of Engineering Official not to commence the work till he gets LB permitted message.
After LB commenced, entries in TSR made in Red ink below last Train entry duly advising other end SM.

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Extension
If Eng Offl wants LB extension, that shall be relayed to DRM.
If permitted, entries in TSR made in Red ink.
Till extended time Trains not permitted.
If even after permitted time, NO Extension or Removal advise received,
A Traffic Train waiting can be started with Normal Authority + Caution Order.
LP shall proceed cautiously throughout the entire Section.

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Removal
After LB completed, immediately advised to SM in writing.
After removal advise received from Engineering Official, SM to ensure,
All departmental Trains entered Section, cleared Section at any end.
Exchange numbered message to that effect& LB removal message also in TSR.
Reinsert Shunt key & Resume normal working.

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Line Block on Double Line

When both lines to be obstructed,
SM shall ensure that no Train is occupying or ready to enter the adjacent line before permitting the last Train mentioned in the LB order.
When LB is required to 

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