Indian Railway main logo Welcome to Indian Railways RDSO Logo
   
View Content in Hindi
National Emblem of India

About Us

Directorates

Tenders

Vendor Interface

News & Events

Staff Welfare

Contact Us



Bookmark Mail this page Print this page
QUICK LINKS
Draft Specification/STR for Comments

  

Draft Specification/ corrigendum to existing specification/ STR for Comments
Comments /suggestions are invited from industries / individuals having technical experience and expertise in respective fields/ Approved vendors 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/ corrigendum to the specification. Technical reasons supported with enough documentary evidence, preferably in the fields of Railway applications must be enclosed with offered comments/suggestions.

 

 

Sl No.
Specification
/STR No.
Description
Date of Posting on website
Last Date of Receipt of Comments
Contact Details of RDSO personnel
Remarks

52

IRS Specification for Improved SEJ of 80mm max. gap (Serial No. T-60 – 2021) (Final Draft)

Reasoned Document

Final Draft copy of "Indian Railway Standard Specification for Improved SEJ of 80mm max. gap (Serial No. T-60 – 2021)"

30.04.2021 14.05.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):Rly-42844,
BSNL (Office):0522-2465768,
-
51

Item specific guidelines for Manufacture & supply of Nylon cord reinforced Grooved Rubber sole plate

Reasoned Documents

Item specific guidelines for Manufacture & supply of Nylon cord reinforced Grooved Rubber sole plate

30.04.2021 15.05.2021

Director/Track-IV,

Track Design,Directorate,

Anusandhan Bhawan, RDSO

,Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail:dtd5rdso@gmail.com

Ph-0522-2465768, Fax-0522-2465769,Mob:9794863299

Item specific guidelines for Manufacture & supply of Nylon cord reinforced Grooved Rubber sole plate is under review

50
 
 
 
Final draft of Indian Railway Standard Specification for composite sleepers (Serial No. IRS: T 59-2021)

08.04.2021

23.04.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):Rly-42844,
BSNL (Office):0522-2465768,
-
49

IRS:T-54(Final Draft)


Reasoned Document
 

Final draft of Indian Railways Standard specification for Spring Setting Device for use with over-riding curved switches, IRS/T-54

16.03.2021

30.03.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):Rly-42844,
BSNL (Office):0522-2465768,
-
48

Item specific guidelines for Manufacture &supply of Nylon cord reinforced Grooved Rubber sole plate

Item specific guidelines for Manufacture &supply of Nylon cord reinforced Grooved Rubber sole plate

12.03.2021 11.04.2021

Director/Track-IV,

Track Design,Directorate,

Anusandhan Bhawan, RDSO

,Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail:dtd5rdso@gmail.com

Ph-0522-2465768, Fax-0522-2465769,Mob:9794863299

 
47 Item Specific guidelines for fabricated Thick web switches, TDG-0038. Draft copy of Item Specific guidelines for fabricated Thick web switches, TDG-0038. 13.03.2021 12.04.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
 
46 IRS Specification for End forging of Thick web Asymmetric rails, T-62 Draft copyof IRS Specification for End forging of Thick web Asymmetric rails, T-62 13.03.2021 12.04.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
 

44

Draft Addendum & Corrigendum Slip (ACS) no. 2 to Specification "Technical Specifications for Track Based Lubricators (Electronic and Hydraulic Type), IRS/T-48-June-2013 in Juxtaposition

Technical Specifications for Track Based Lubricators (Electronic and Hydraulic Type), IRS/T-48-June-2013 in Juxtaposition

05.03.2021

04.04.2021

Director/Track-1, RDSO, Manaknagar, Lucknow, (U.P.) PIN-226011, lndia,

E-mail:dtd1rdso@gmail.com

phone no. (office) Rly.42845,

BSNL.0522-2465766,

Fax-0522-2458663,

Mob: 9794863383

-
42

IRS:T 29-2020 (Final Draft)

Reasoned Document


 

Final Draft of Indian Railway Standard Specification for Cast Manganese Steel Crossings (Serial No. IRS: T 29-2020)

26.02.2021

13.03.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-
41

IRS: T-61-2021 (Final draft)


Reasoned Document

 

Final draft of Indian Railway Standards Specification for Improved SEJ of 65mm max. gap (Serial No. T-61-2021)

24.02.2021

10.03.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-

40

IRS: T-10-2021 (Final Draft)

Reasoned Document


 

Final Draft of Indian Railways Standard Specification for Fabricated switches and Crossings, Welded/heat treated crossings and Switch Expansion Joints (SEJ) (IRS: T-10-2021)

22.02.2021

08.03.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-
39

IRS: T 59 - 2021

Reasoned Document


 

Final draft of Indian Railway Standard Specification for Composite Sleepers (Serial No. IRS: T 59 - 2021)

19.02.2021

05.03.2021

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-
38

Final Draft IRS Specification for Fishplates  and Fishplate  Bars, Sl. No.    T-1: 2020

Reasoned Document   

Technical Specification  for Fishplates and Fishplate Bars, Sl. No.   T-1:   2020

10.02.2021

25.02.2021

Director/Track-VI,   
Track Design   Directorate,Anusandhan Bhawan,
RDSO, Manak Nagar,
Lucknow  (U.P)
PIN-226011, India.
E-mail:
dtd6rdso@gmail.com

Ph -  0522-2462796,  
Fax - 0522-2458663,
Mob: 9794863283

 

-
32

Final Draft revised Indian Railway Standard Specification for special cast iner Provisional-2019 (Fist Revision-2020)

Reasoned Document

Indian Railway Standard Specification for special cast iner Provisional-2019 (Fist Revision-2020) 05.11.2020 20.11.2020

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-
31

Final Draft revised Item specific Guidelines for zero Toe Load fastening (ZTLF) System Provisional 2019 (Fist Revision 2020)

Reasoned Document

Item specific Guidelines for zero Toe Load fastening (ZTLF) System Provisional 2019 (Fist Revision 2020) 05.11.2020 20.11.2020

Director/Track-III, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-

30

IRS specification for Metal liners for use with elastic rail clips Sr.No.T-56-2020

Reasoned Document

IRS specification for Metal liners for use with elastic rail clips Sr.No.T-56-2020

03.11.2020

18.11.2020

Director/Track-IV, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P)
PIN-226011, India,
E-mail:
dtd5rdso@gmail.com
Ph - 0522-2465768,
Fax - 0522-2465769,
Mob: 9794863299

IRS specification for Metal liners for use with elastic rail clips Sr.No.T-56-2020 is under review

29

IRS Specification
for Track Bolts and
Nuts, Sl. No. T-23:2020

Technical Specification for Track
Bolts and Nuts, Sl. No. T-23:2020

29.10.2020

28.11.2020

Director/Track-VI,
Track DesignDirectorate,
Anusandhan Bhawan, RDSO,
Manak Nagar,Lucknow (U.P),
PIN- 226011, India,
E-mail:dtd6rdso@gmail.com
Ph - 0522-2462796
Fax - 0522-2458663
Mob: 9794863283

Redrafted
in line
with
latest IS
Codes.

28

IRS specification for Polyethylene Dowels for Concrete Sleepers, Sl. No. T-57-2020

Reasoned Document

Technical Specification for Polyethylene Dowels for Concrete Sleepers, Sl. No. T-57- 2020

28.10.2020

12.11.2020

Director/Track-IV,

Track Design, Directorate, Anusandhan Bhawan,

RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd5rdso@gmail.com

Ph - 0522-2465768,

Fax - 0522-2465769, Mob: 9794863299

Technical Specification for Polyethylene Dowels for Concrete Sleepers, Sl. No. T-57- 2020 is under review

27

IRS specification for Single Coil Spring Steel Washers, Sl. T- 42-2020
(Revision - 01)

Reasoned Document

IRS specification for Single Coil Spring Steel Washers, Sl. T- 42-2020
(Revision - 01)

27.10.2020

11.11.2020

Director/Track-IV, Track Design, Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow (U.P)
PIN-226011, India,
E-mail:
dtd5rdso@gmail.com
Ph - 0522-2465768,
Fax - 0522-2465769,
Mob: 9794863299

IRS Specification for Single Coil Spring Steel Washers, Sl. No. T- 42-2020 (Revision - 01) is under review

24

IRS specification T- 44-2020

 

Reasoned Document

IRS Specification for Glass filled Nylon- 66 Insulating Liners, Sl
no. T- 44- 2020
06.10.2020 21.10.2020

Director/Track-III,

Track Design Directorate,

Anusandhan Bhawan,

RDSO Manak Nagar, Lucknow(U.P)
PIN-226011, India,

Email: dtd5rdso@gmail.com

Ph- 0522-2465768, Fax- 0522-2465769, Mob:9794863299

1. All corrigendum
incorporated.
2. IS codes
updated.
23

ITEM SPECIFIC GUIDELINES FOR ZERO TOE LOAD FASTENING (ZTLF) SYSTEM (Provisional2020)

DRAFT REVISED ITEM SPECIFIC GUIDELINES FOR ZERO TOE LOAD FASTENING (ZTLF) SYSTEM (Provisional2020) 22.09.2020 21.10.2020

Director/Track-III,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
 
22

INDIAN RAILWAY STANDARD SPECIFICATION FOR SPECIAL CAST LINER (Provisional 2020)

DRAFT REVISED INDIAN RAILWAY STANDARD SPECIFICATION FOR SPECIAL CAST LINER (Provisional 2020) 22.09.2020 21.10.2020

Director/Track-III,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
 
21

IRS:T 59-2020

Draft Indian Railway Standard
Specification for Composite
Sleepers(Serial No. IRS:T 59-2020)

14.09.2020 13.10.2020

Director/Track-III,

Track Design, Directorate,

Anusandhan Bhawan,

RDSO, Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,
-
20

Draft IRS:T-29-2020

Draft Revised specification for Cast Manganese steel Crossings (IRS:T 29-20162020)

03.09.2020 02.10.2020

Director/Track-III,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,       Fax-0522-2465769
-
18

Draft IRS SPecification for 10mm thick GPRS Sl. No. T-55-2020

 

Technical specification for 10mm thick Grooved Rubber sole plate 21.08.2020 20.09.2020

Director/Track-IV,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd5rdso@gmail.com

Ph - 0522-2465768

Fax - 0522-2465769

Mob - 9794863299

Technical specification for 10mm thick Grooved Rubber sole plate is under review

17

Final IRS SPecification for GPRS (6mm thick)Sl. No. T-47-2020

Resoned document

Technical specification for 6mm thick Grooved Rubber sole plate

21.08.2020 05.09.2020

Director/Track-IV,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd5rdso@gmail.com

Ph - 0522-2465768

Fax - 0522-2465769

Mob - 9794863299

Technical specification for 6mm thick Grooved Rubber sole plate is under review

16

Indian Railway Standard Specification for Spring Setting
Device for use with over-riding curved switches"

Draft revised "Indian Railway Standard Specification for Spring Setting Device for use with over-riding curved switches"

19.08.2020 18.09.2020

Director/Track-III,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Phone No. (office):
Rly-42844,
BSNL (Office):
0522-2465768,

 

15

IRS specification for Spring Steel Circlip for use with Anti-Theft Elastic Rail Clip (Prov.) – 2020
 

Technical Specification for Spring Steel Circlip for use with Anti-Theft Elastic Rail Clip (Prov.) – 2020

12.08.2020

11.09.2020

Director/Track-III,

Track Design, Directorate,

Anusandhan Bhawan, RDSO,

Manak Nagar, Lucknow (U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com
Ph - 0522-2465768,
Fax - 0522-2465769,
Mob: 9794863386

Technical Specification for Spring Steel Circlip for use with Anti-Theft Elastic Rail Clip (Prov.) – 2020 is under review

13

IRS specification T-44-1995

IRS Specification for Glass filled Nylon-66 Insulating Liners, Sl no. T- 44-1995

10.07.2020

09.08.2020

Director/Track-III,

Track Design Directorate,

Anusandhan Bhawan, RDSO Manak Nagar,

Lucknow(U.P) PIN-226011, India,

E-mail: dtd3rdso@gmail.com

Ph- 0522-2465768, Fax- 0522-2465769, Mob:9794863386

1. All corrigendum incorporated.
2. IS codes updated.

12.

Final draft of corrigendum No. 2 to Technical Specification for Improved SEJ - Provisional`2008 (Drg. No. RDSO/T-6902 to 6921)

Reasoned document

Technical Specification for Improved SEJ - Provisional`2008 (Drg. No. RDSO/T-6902 to 6921)

22.06.2020

06.07.2020

22.07.2020

Director/Track-III,

Track Design Directorate,

Anusandhan Bhawan, RDSO, Manak Nagar, Lucknow, (U.P.)
Pin-226011, India
Email:dtd3rdso@gmail.com
Phone No. (office): Rly-42844,
BSNL (Office): 0522-2465768,
Fax-0522-2465769

-
11. Draft Corrigendum No.2 to Specification for Improved SEJ Technical Specification for Improved SEJ Provisional 2008 (Drg. No. RDSO/T-6902 to 6921) 08.05.2020 07.06.2020

Jt.Director/Track-III,

Track Design,Directorate,Anusandhan Bhawan,

RDSO Manak Nagar Lucknow,(U.P) PIN-226011, India, 

E-mail: dtd3rdso@gmail.com

Ph- 0522-2465768,  Fax- 0522-2465769, Mob:9794863386

 Technical Specification for Improved SEJ Provisional 2008 (Drg. No. RDSO/T-6902 to 6921) is under review

10.

Final draft Addendum & Corrigendum Slip (ACS) no. 5 to Specification "Indian Railway standards Specification for Flat Bottom Rails" Serial No. IRS-T-12-2009

Reasoned Document

Final draft Addendum & Corrigendum Slip (ACS) no. 5 to Specification "Indian Railway standards Specification for Flat Bottom Rails" Serial No. IRS-T-12-2009

17.02.2020

03.03.2020

Director/Track-I,

Anusandhan Bhawan, Track Design Directorate,

RDSO Manak Nagar Lucknow,(U.P) PIN-226011, India, 

E-mail: dtd1rdso@gmail.com

Phone no. (office) Rly-42845

BSNL- 0522-2465766,  Fax- 0522-2450297, Mob:9794863383

-

9.

Final draft Technical specification for zinc aluminium metallization of rails

Reasoned Document

Final draft Technical specification for zinc aluminium metallization of rails

23.12.2019

09.01.2020

Director/Track-I,

Anusandhan Bhawan,

Track Design Directorate, RDSO Manak Nagar

Lucknow,(U.P) PIN-226011, India, 

E-mail: dtd1rdso@gmail.com

Phone no. (office) Rly-42845

BSNL- 0522-2465766,  Fax- 0522-2450297,

-

8.

Draft ACS no. 5 to IRS-T-12:2009

Indian Railway Standard Specification for Flat Bottom Rails Serial no. IRS-T-12-2009

16.10.2019

15.11.2019

Director/Track-I,

Anusandhan Bhawan,

Track Design Directorate,

RDSO Manak Nagar Lucknow,(U.P) PIN-226011, India, 

E-mail: dtd1rdso@gmail.com

Phone no. (office) Rly-42845

BSNL- 0522-2465766,  Fax- 0522-2458663, Mobile: 9794863383

-

7.

’Final Draft’  of corrigendum No. 3 to IRS specification IRS T-46-1996

Reasoned Document

’Final Draft’  of corrigendum No. 3 to IRS specification IRS T-46-1996

14.10.2019

29.10.2019

Sh. Prnav Kumar

Director/Track-IV/RDSO

Mob. 9794863299

email: dtd5rdso@gmail.com

-

6.

Draft Technical specification for zinc aluminium metallisation of rails

Draft Technical specification for zinc aluminium metallisation of rails

04.10.2019

04.11.2019

Director/Track-I,

Anusandhan Bhawan,

Track Design Directorate,

RDSO Manak Nagar

Lucknow,(U.P) PIN-226011, India, 

E-mail: dtd1rdso@gmail.com

Phone no. (office) Rly-42845

BSNL- 0522-2465766,  Fax- 0522-2450297

-

5.

Final Draft Technical  Specification for Re-Furbishing of Existing Glued Insulated Rail Joints and In-Situ Fabrication of Glued Insulated Rail Joints

Reasoned Document

Final Draft Technical Specification for Re-Furbishing of Existing Glued Insulated Rail Joints and In-Situ Fabrication of Glued
Insulated Rail Joints

02.09.2019

16.09.2019

Joint Director/Track-VI,

RDSO, Manak Nagar,

Lucknow, (U.P.) PIN-226011, India,

E-mail: dtd6rdso@gmail.com,

Phone No. (Office): Rly-42863,

BSNL-0522-2462796,

 

4.

Draft Correction Slip No.3 to IRS T-46, 1996

Specification for Spheroidal Graphite Cast Iron inserts

23.08.2019

22.09.2019

Sh. Prnav Kumar

Director/Track-IV/RDSO

Mob. 9794863299

email: dtd5rdso@gmail.com

-

3.

Final draft ACS No. 1 to " Technical Specification for Track Based Lubricators (Electronic & Hydraulic Type) , June -2013, IRS/T-48"

Reasoned Document

Final draft ACS No. 1 to " Technical Specification for Track Based Lubricators (Electronic & Hydraulic Type) , June -2013, IRS/T-48"

31.07.2019

19.08.2019

Director/Track-I,

Anusandhan Bhawan,

Track Design Directorate,

RDSO Manak Nagar Lucknow,(U.P)

PIN-226011, India, 

E-mail: dtd1rdso@gmail.com

Phone no. (office) Rly-42845

BSNL- 0522-2465766,  

Fax- 0522-2450297

-
2.

Draft Addendum & Corrigendum Slip No. 4 to IRS:T-12/2009

Reasoned Document

Indian Railways Standard Specification for Flat Bottom Railway Rails Serial no. T-12-2009 28.01.2019 12.02.2019

Director/Track-I

,RDSO Manak Nagar

Lucknow,(U.P) PIN-226011, India, 

E-mail: dtd1rdso@gmail.com

Phone no. (office) Rly-42845

BSNL- 0522-2465766,

 Fax- 0522-2458663,Mob:9794863383

-
1. STR Schedule of Technical Requirement for manufacture of PSC Sleepers 04.02.2016 19.02.2016

Jt. Director/ QAC/TK,

RDSO, Manak Nagar,

Lucknow (U.P) 226011 , Email: dqac.tk.rdso@gmail.com

Rly Ph:42551

Mob: 9794863278
Final draft copy of modified Schedule of Technical Requirement for manufacture of PSC Sleepers
 Finalised specification/STR after reviewed
 
S.No.
Specification/ STR No.
Description
Date of finalisation incorporating comments
Remarks
1. Final revised specification IRS:T29-2016 Final  Revised Specification for Cast Manganese Steel (CMS) crossings (IRS:T29-2016) 28.11.2016 Approved by Railway Board

2.

Provisional Specification for Composite Sleepers (2014)

Provisional Specification for Composite Sleepers (2014)- Rev.1/2017

09.05.2017

-

3. Functional Specification for Rubberised Surface at Level Crossings  Functional Specification for Rubberised Surface at Level Crossings 23.07.2017 -
 
 
 
 
 
 
 

 



Source : WELCOME TO RDSO CMS Team Last Reviewed on: 05-05-2021  

  Site Map | Contact Us | Disclaimer | Terms & Conditions | Privacy Policy Valid CSS! Valid XHTML 1.0 Strict

© 2016  All Rights Reserved.

This is the Portal of Indian Railways, developed with an objective to enable a single window access to information and services being provided by the various Indian Railways entities. The content in this Portal is the result of a collaborative effort of various Indian Railways Entities and Departments Maintained by CRIS, Ministry of Railways, Government of India.