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Draft Specification/STR for comment

Specification/STR for Comments/suggestions are invited from industries / individuals having technical experience and expertise in respective fields with a view to improve upon the following specifications/STR. Comments/suggestions shall be suggestive in nature, which shall not alter the basic objective of the specification. Technical reasons supported with enough documentary evidence, preferably in the fields of Railway applications must be enclosed with offered comments/suggestions. These comments/suggestions shall be sent in the format for better appreciation, which can be downloaded (click here to down load the format).

 

Draft Specification / STR for comments

S.No. Specification/ STR No. Description Date of posting on Website Last date of Receipt of comments Contact details of RDSO personnel Remarks
11.
 
 
Final Draft Specification for Block Proving byAxle Counter Using UFSBI(BPAC)
30.07.2025
13.08.2025
Triambak Tiwari,
Director/signal-II
Mob.No.9794863310
Email: dirsig2@rdso.railnet.gov.in
All vendor and Zonal Railway are requested to kindly offer comment on  specification under review
10.
Site Acceptance Test Scheme for Stationary KAVACH (IRATP) Application Logic for KAVACH Version 4.0
08.05.2025
22.05.2025
 
 
 
 
G.Pavan Kumar
ED/Telecom-II
Mob. 9794863312
Email:tcasphase2@gmail.com
 
 
All vendor and Zonal Railways are requested to kindly offer comment on TAN under review
Annexure-E3 -Specification of Kavach (The Indian Railway ATP)-Cab Roof Top Antenna
03.06.2025 
 03.07.2025
9.
 
Final Draft Changes in Specification for Automatic Fire Detection & Alarm System for Signalling & Telecom Installations
(AFDAS)
21.04.2025
05.05.2025
Triambak Tiwari,
Director/signal-II
Mob.No.9794863310
Email:
dirsig3rdso@gmail.com
ade.signalv@gmail.com
 
All Zonal Railway Vendors  are requested to kindly offer comments on final draft changes in specification & reasoned document under review.
8.
 
Draft Final Specification with Amendment for LED Signal Lamps for Main Colour Light Signals (integrated) for Railway Signalling
 
 
02.04.2025
 
 
 
16.04.2025
 
Dipu Shyam
Executive Director/Signal-II
Mob. No.: 7007831841
Email: edsig2@rdso.railnet.gov.in
All vendor and Zonal Railway are requested to kindly offer comment on reasoned document for draft specification under review
7.
TECHNICAL ADVISORY NOTE - System Improvements regarding Installation and Maintenance for KAVACH
17.03.2025  
 
 
01.04.2025
15.04.2025
 
G.Pavan Kumar
ED/Telecom-II
Mob. 9794863312
Email:tcasphase2@gmail.com
 
All vendor and Zonal Railways are requested to kindly offer comment on TAN under review
6.
 
Draft Specification for Block Proving By Axle Counter Using UFSBI (BPAC)
12.03.2025
10.04.2025
Triambak Tiwari,
Director/signal-II
Mob.No.9794863310
Email: dirsig2@rdso.railnet.gov.in
 All vendor and Zonal Railway are requested to kindly offer comment on specification under review
5.

Draft specifdcation No.RDSO/SPN/217 2025 Version No.: 3.1d0

 

Draft Specification  for AUTOMATIC FIRE DETECTION & ALARM SYSTEM FOR
SIGNALLING &TELECOM INSTALLATIONS (AFDAS)
25.02.2025
26.03.25
Yogendra Pratap Singh
Director/Signal-III
Mob. No.: 9794863311
 All vendor and Zonal Railway are requested to kindly offer comment on specification under review

4.

Draft revised Specification No. RDSO/SPN/199/2010 Rev.1.1

Technical Specification for LED Signal Lamps for Main Colour Light Signals (Integrated)for Railway Signalling.

 

10.01.2025

 

09.02.2025

Dipu Shyam
Executive Director/Signal-II
Mob. No.: 7007831841
Email: edsig2@rdso.railnet.gov.in

All vendor and Zonal Railway are requested to kindly offer comment on specification under review

3.

Draft Final Specification No.IRS: S: 99/2024 Amendment. 4

Reasoned Documents

Draft Final Specification  for Data Logger System For Railway S&T Installation

18.11.2024

02.12.2024

Dipu Shyam
Executive Director/Signal-II
Mob. No.: 7007831841
Email: edsig2@rdso.railnet.gov.in

All vendor and Zonal Railway are requested to kindly offer comment on specification under review

2.

Draft Specification No. IRS: S: 24-2024 Revision-3.0.

Reasoned Document

Draft Specifcaaon of Electric point Machine.Draft

 

11.11.2024

25.11.2024

Dipu Shyam
Executive Director/Signal-II
Mob. No.: 7007831841
Email: edsig2@rdso.railnet.gov.in

All vendor and Zonal Railway are requested to kindly offer comment on specification under review

1. Draft specifiaiton for Electric Point Machine non Trailable Type 19.07.2024 18.08.2024
Dipu Shyam
Executive Director/Signal-II
Mob. No.: 7007831841
Email: edsig2@rdso.railnet.gov.in
All Vendors and Zonal Railways are requested to kindly offer comments on specification under review

 

  Finalised  specification/STR after reviewed
S.No. Specification/ STR No. Description Date of finalisation incorporating comments Remarks
1. SIQ 0801 Version No.1.0 STR For Double Walled Corrugated HDPE Ducts for Railway Signalling 30.09.2016 -
2. RDSO/SPN/219/2016, Ver.1.0 KEY LOCK CHECKING RELAY with D.C. NEUTRAL RELAY, (A.C. IMMUNISED /
NON A.C. IMMUNISED)
31.07.2017 -
3. STR No. SIQ 0366   (Ver.0 ) STR for FOG PASS 17.5.2017 -
4. RDSO/SPN/209/2012 Ver. 2.0  (Draft) Fuse Auto Changeover System (FACS) for use in Railway Signalling 10.10.2017 Spec. is under review
5. RDSO/SPN/218/2016, Version 1.0- d2 FINAL DRAFT SPECIFICATION
FOR AUTOMATIC FIRE SUPPRESSION SYSTEM FOR SIGNALLING INSTALLATIONS
20.10.2017 -

 

 



Source : WELCOME TO RDSO CMS Team Last Reviewed on: 06-08-2025  

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