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Letter No.


Circular No.


ECR/S&T/Tech Circular/185


Tech.Circular No. 01/2005

Information recorded by S&T staff on Derailment &Accident

 ECR/S&T/Tech Circular/185


 Tech.Circular No.     01/2006

 Power Supply for S&T Installation

 ECR/S&T/Tech Circular/185


 Tech.Circular No.     03/2006

 Installation & Maintenance of Axle Counter

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 01 /2007 

 Pre-monsoon Precaution

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 02 /2007 

 Inspection by Divisional Officers of S&T department

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 03/2007 

 Data logger in PI/RRI Installation

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 04 /2007 

 Soldering practice for Signalling Works

 ECR/S&T/Tech Circular/185


  Tech.Circular No. 08 

 Special  report on signal failures resulting in loss of train punctuality on S&T account or bad cases reported in HQ

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 09 

 Maintenance of Signal failure Register

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 10

 Distribution of Important Circulars,Correction Slips to Mannuals, Instructions etc.- Assurence Register

 ECR/S&T/Tech Circular/185


 Tech.Circular No. 11 

 IPS Installation & Maintenance Practice

 ECR/S&T/Tech Circular/185


Tech.Circular No. 12 

 Functional requirement & exception report  from Data Logger installed in EI/PI/RRI

 ECR/S&T/Tech Circular/185


Tech.Circular No. 13 

Provision of Welding for Track bond & Jumpers in Track Circuit,Earthing Connection and Bus Bar connections

ECR/S&T/Tech Circular/185


Tech.Circular No. 14 

Provision for Earthling for Signalling Equipments

 ECR/S&T/Tech Circular/185


Tech.Circular No. 15

 Disconnection of Interlocked Signalling Gear for inspection /Maintenance/Repairing/Testing of Interloceked  Interlocked Signalling Gear

  ECR/S&T/Tech Circular/185


 Tech.Circular No. 16

 Installation &Maintenance practice of LED lit Signals

  ECR/S&T/Tech Circular/185


 Tech.Circular No. 17

 Reliability of Plug in Type Relays

 ECR/S&T/Tech Circular/185


Tech.Circular No. 18

Use of Screwless & Solderless  Terminals for Location Boxes, Relay Room & Control cum Indication Panel Terminations in place of ARA Terminals

ECR/S&T/Tech Circular/185


Tech.Circular No.19

Provision of Data Logger their functional requirements & Exception Report

ECR/S&T/Tech Circular/185

Tech.Circular No. 20

Signal Interlocking Plan & Numbering System

ECR/S&T/Tech Circular/185


Tech.Circular No. 21

Provision of RDSO approved fuses in different Signalling Cicuits

ECR/S&T/Tech Circular/185


Tech.Circular No. 22

Pre monsoon precaution to be taken by S&T  & Engg. Department  in connection with efficient functioning of S&T equipments



Policy Circular No.1

Rationlisation of No. of cable core for  various Signallig Cable



Policy Circular No. 3

Policy regarding provision of  Shunt Signal and Clearance  of Loop Line Starter

ECR/S&T/SIG/Policy  Circular


Policy Circular No. 4

AMR/AMRR of modern Signalling Equipments (IPS, Data Logger,EI & SSDAC/BPAC)

ECR/S&T/SIG/Policy  Circular


Policy Circular  No.5

Modification of minimum eligibility criteria for Works Tender

ECR/S&T/Tele Policy/135


Policy Circular No. 6

Monsoon precaution to be taken before hand for various Telecom Equipment

ECR/S&T/Tele Policy/135


Policy Circular  No.7

AMC/AMRR of Modern Telecom Equipment

ECR/S&T/SIG/Policy  Circular


Policy Circular No. 8

Policy for laying Signal & Power cable through RCC duct , Solar based Power  supply for stations and LC in non RE area and Ring by RegularDeals\\\0022 ""> main arrangement at major stations & Auto section

ECR/S&T/SIG/Policy  Circular


Policy Circular No. 9

Procurement of Sliding Boom through Works Contract

 ECR/S&T/SIG/Policy  Circular


 Policy Circular No. 10

Policy for laying of Power cable, Cables crossing from culverts & from J.B" (Main) to basement (Cable duct room) of Relay Room and Alarm for failure of track chargers using potential free contacts.

 ECR/S& T/Sig/Policy/200 Pt.1I


Cable protection arrangement



Checklist of IPS and Data Logger for Joint Signature
during AMC visit



Irregularities in the works of trenching, laying of
cables-System improveinent.

ECR/S& T/Sig / Maintenance/Pt.III       


Safety drive for level crossing gate.

 ECR/S&T /SIG / Maintenance/Pt-II


 Winter precautions for Signalling System.



 Summer Precaution

Format for Installation Check List

Format for Installation Check List

 2015/Sig/Air- Conditioning


 Provisioning of Air Conditioning for Signalling Installation.



 Facility available in Panel for efficient operation of Signalling System



 provision of porta cabins in ST installation



 Safety measures of prevention of Fire Hazard in  S&T Installation



 Submission of precommissioning checklist



 Maintenance of Signalling equipments at Divisional Level



 Policy Circular No.-11

 Rationlisation of No. of cable core for  various Signallig Cable



 Policy for type of interlocking



 Guide lines for Uniform for S&T maintenance employee 

Source : East Central Railways / Indian Railways Portal CMS Team Last Reviewed on: 08-05-2018  

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