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Track Design

About Track Design Department:

Main functions of directorate are Research, Design and Development of Rails, Welding Technology, Sleepers, Fastenings, Turnouts, Long Welded Rails, Ultrasonic testing etc. The Track Directorate also provides consultancy to Zonal Railways on the matters pertaining to track, Development and standardization of new innovations reported by the Railways.
 
The process of development involves framing the specification. In case development is to be followed by field trials, further work involving preparation of detailed trial scheme, collection and analysis of data, change of design, if necessary, and final approval of the item are also undertaken. Multi sourcing and Vendor Development for Specified P. Way Items. 
 

Organizational chart:

    

Brief achievements:

I. April 2022--March 2023:

  1. Issue of Policy on Domestic Rail Plants for Symmetrical Rails of Different Grades (No. CT/Policy/01, Revised March-2023).
  2. Revision of Guidelines for handling and stacking of rails (CT-35, February -2023)
  3. Approval of BSP, Bhilai for making 60E1, R350HT grade rails.
  4. ACS  issued on provisions of LWR/CWR on Ballastless Track (BLT) in IRPWM, 2020
  5. Report on ‘Speed potential and Introduction of R260 and 1175HT Rails’
  6. Revision of IRSOD (Issued as IRSOD (BG), Revised-2022)
  7. Report  on ‘Review of Curve parameters for permitting higher speed on Curves’
  8. Report on ‘Comprehensive review of all the business processes involved in Introduction of Rolling Stock’
  9. Track structure for loop line and sidings for different loading standards for CC, CC+4, CC+6+2t and CC+8+2t loaded wagons
  10.  ACS 1 and 2 to IRSOD (BG), Revised-2022
  11.  Revision of IRS Specification for Fabricated Switches and Crossings, Welded/Heat Treated Crossings and Switch Expansion Joints (SEJ) IRS: T-10-2023.
  12.  Issue of IRS Specification for End Forging of Thick Web Asymmetrical Rails, IRS: T-62-2022.
  13.  Development of Vendor list for Thick Web Switches.
  14.  Revision of Item Specific Guidelines & Schedule of Technical Requirements for Vendor Approval for Manufacturing and supply of Improved Switch Expansion Joints Document No. TDG 0022 (Revision 3.0).
  15.  Issue of Item Specific Guidelines for Thick Web Switches TDG 0038 (Revision- 0).
  16.  Framing of Functional Requirements, Specifications (FRS) and General Instructions for Tender Calling in connection with Field Trials of Switch Expansion Joint-2022.
  17.  Framing of Functional Requirements, Specifications (FRS) and General Instructions for Tender Calling in connection with Field Trials of Canted Turnout- 2022
  18.  Development of Vendors for Improved SEJ for more than 20 to 40curves.
  19.  Adoption of high Viscous Nylon (HVN) Liner for use on IR.
  20. IRS Specification for Rail pads for placing beneath Rail, Sl. No. T-55-2023.
  21. Corrigendum no. 1 of IRS Specifications for pre-tension pre-stress concrete sleeper for turnout BG and MG, Sl. No. T-45- March 2021.
  22. Corrigendum no. 1 of IRS Specifications for Metal Liner for use with Elastic Rail Clips, Sl. No. T-56-2020.
  23. Corrigendum no. 1 of IRS Specifications for Elastic Rail Clips, Sl. No. T-31-2021.
  24. Schedule of Technical Requirement finalized
    1. SGCI Insert (Document No. TDG 0039 Ver. 2),
    2. Spring Steel Rounds (Document No. TDG 0045 Ver. 0),
    3. Single Coil Spring Steel Washer (Document No. TDG 0007 Ver. 1,
    4. GFN liner (Document No. TDG 0005 Rev. 1),
    5. Polyethylene dowel (Document No. TDG 0043),
    6. Metal Liner (Document No. TDG 0041 Rev. 1),
    7. Rail Pad (Document No. TDG 0042 Rev. 0),
    8. Elastic Rail Clip (Document No. TDG 0044 Ver. 0) &
    9. Schedule of Technical Requirement (2022) for manufacture of PSC Sleeper.
  25. Approval for Field Trial of High Performance (HP) Rail Pad made of EVA or TPU or PU on existing sleepers to drawing no. RT-8746 and RT-2496.
  26. Approval for field trial of “Modern Rail Fastening System for ballasted track fit for 25t axle load”.
  27. Approval for field trial of M/s Pandrol Rahee Technologies Re Fastening System.
  28. Development of Flash Butt welding for R350HT grade rails at JSPL/Raigarh
  29. Development of AT Welding Technique for R350 HT Grade Rails
  30. Development of AT Welding Technique for R260 Grade Rails
  31. Development of 9 probes/channels B-Scan Single Rail Tester (SRT) and Double Rail Tester (DRT)
  32. Trial of Phased Array ultrasonic weld testing technique for AT welds in TPP and NER
  33. Issue of Addendum & Corrigendum Slip No. 1 of Manual for Ultrasonic testing of Rails  and Welds, Revised-2022
  34. Issue of Addendum & Corrigendum Slip No. 3 of Manual for Flash Butt welding of Rails  (Re-print-2022)
  35. Issue of Addendum & Corrigendum Slip No. 1 of IRS Specification for Ultrasonic testing of Rails  and Welds, Revised-2020
  36. Reprinting of ‘Manual for Glued Insulated Rail Joints (First Reprint 2022)’.
  37. Issue of Addendum & Corrigendum Slip No. 8 to the ‘Manual for Glued Insulated Rail Joints-1998’
  38. Brief Achievements (Track Dte. / Inspection Unit)

                 

II. April 2023 –July 2023:

  1. ACS issued IRPWM-2020- regarding change in value of Modulus of elasticity of rail steel (E).
  2. Report on Ultrasonic Broken Rail Detection (UBRD) System
  3. Report on ‘Rail Wheel Hardness on IR’
  4. Issue of IRS Specification for Cast Manganese Steel (CMS) Crossings and Weldable Cast Manganese Steel (WCMS) Crossings IRS: T-29 (Revised 2023).
  5. Issue of Item Specific Guidelines & Schedule of Technical Requirements for Vendor Approval for Manufacture and Supply of Cast Manganese Steel (CMS) Crossings/ Weldable Cast Manganese Steel (WCMS) Crossings (Document No. TDG 0021-Ver. 2.0).
  6. Issue of Drawings for trial of Retro-fitment of Thick Web Switches.
  7. Creation of the sub item “Weldable Cast Manganese Steel Crossings” in Vendor Directory on UVAM of IREPS portal.
  8. Issue of Draft Functional Requirement and Specification (FRS) for In-sleeper Electro-Mechanical Point Machine.
  9. Revision of IRS Specifications for Spheroidal Graphite Cast Iron Inserts, Sl. No. T-46- 1996.
  10.  Revision of IRS specification for Glass filled Nylon-66 & High Viscous Nylon-66 insulating Liners, Sl no. T-44-2023.
  11.  Corrigendum No. 2 to IRS Specification for pre tensioned prestressed concrete sleepers for turnouts BG and MG serial no.T-45 (Fourth Revision, March-2021).
  12.  Corrigendum No. 1 to ‘IRS Specification for PSC Sleepers for Broad Gauge, Metre Gauge and Narrow Gauge serial no. T-39 (sixth revision – March 2021).
  13.  Schedule of Technical Requirement (2023) for manufacture of PSC Sleeper.
  14.  Development of AT Welding Technique for R350 HT Grade Rails.
  15.  Development & trial of Phased Array ultrasonic weld testing technique for FB welds.
  16.  Issue of Procedure Order & Technical Eligibility Criteria for testing of Flash Butt welding joints by Phased Array Ultrasonic weld tester
  17.  Finalization of Drawing of 1-meter-long Combination Fishplate RDSO/T-8533 to RDSO/T-8536 for 60 kg & 52 kg rail.

 

Brief Achievements (Track Dte. / Inspection Unit):

          

Current Assignments in hand:

  1. Revision of the existing RDSO standard “Indian Railway Standard Specification for Flat Bottom Rails (IRS-T-12/2009)” in line with Bureau of Indian Standards.
  2. Field trail of Rail stress monitoring System.
  3. Measurement of stress-free temperature of LWR/CWR by using VERSE equipment in NER.
  4. Development of improved End unloading system for long rail panels.
  5. Development of ‘Broken Rail Detection system’
  6. Development of methodology for calculating stresses in Rail and SEJ
  7. Revision of Track Manual.
  8. Expression of Interest (EOI) for Retro fitment of TWS turnouts.
  9. Development of 1 in 12 CMS crossings with Integrally Cast Block at toe end & heel end, BG (1673 mm) for 60 kg (UIC) on PSC Sleepers as per drawing no. RDSO/T-8682/1.
  10.  Development of Vendors for Improved SEJ for more than 20 to 40curves.
  11.  Extended Field Trial of new Design of Thick Web Switch Expansion Joint (TWSEJ)
  12.  Corrigendum No. 2 to ‘IRS Specification for Elastic Rail Clips’, Serial no. T-31-2021.
  13. Revision of STR for Glass filled Nylon-66 & High Viscous Nylon-66 insulating Liners.
  14.  Development of Flash Butt welding technique for R350HT grade rails at BSP/Bhilai
  15.  Development of AT Welding technique for R260 HT Grade rails
  16.  Development of AT Welding technique for R350 HT Grade rails
  17.  Development of Combination AT Welding technique for R350 HT Grade rails with R260 Grade Rails
  18.  Development of FB Welding for R350 HT Grade rails by MFBWPs
  19.  Extended field trial of Phased Array ultrasonic weld tester FB welds
  20.  Development & extended trial of Phased Array ultrasonic weld testing technique for AT welds
  21.  Increase in vendor base for B-Scan 9 probes/channels Single Rail Tester (SRT) and Double Rail Tester (DRT)
  22.  Extended field trial of RCRV based vehicular USFD system in ZRs (SWR, NCR, SCR, WR)
  23.  Benchmarking of 19 nos. of SPURT Cars being procured by RB as per tender TM-2301 for ultrasonic testing of rails/welds 
  24.  Revision of Manual for Flash Butt Welding of Rails
  25.  Preparation of working instructions for Mobile Flash Butt Welding Plants for in-situ FB welding
  26.  Preparation of codal life policy for Flash Butt Welding Plants.
  27.  Revision of Manual for Glued Insulated Rail Joints.
  28.  Finalization of drawing of Joggled Fish Plate for 60kg for use on rail fracture to Drawing No. RDSO/T-8213
  29.  Development of High Performance of Rail Clamp through RFP.

 



Source : WELCOME TO RDSO CMS Team Last Reviewed on: 06-09-2023  

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