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1 Fo srkvksa dks viuh :fp ds fdlh Hkh en ds fy, fo ks"k :Ik ls rhu ls de Lkzksr okys en ds fy, djus ds fy, vkeaf=r fd;k tkrk gS] ftldh lwph uhps nh xbZ gSA Vendors are invited to register online for any item of their interest specially for items having less than three sources, list of which is as below. For Apply, please see UVAM portal of IREPS web site vkosnu ds fy,] d`I;k ;woh,e iksVZy ns[ksaA Summary of Main items having less than three sources for the month of October-2021 SN Dte. Total No. of Items 1 M&C 1 2 ELECTRIC LOCO 6 3 TI 25 4 QAE 3 5 TELECOM 8 6 TD-II 1 7 WAGON 3 TOTAL 47 October 2021 Main item less than three sources SN Item Description Dte No. of present sources Specs/STRs;/Drg. 1 RDSO Item ID: 3100107 Telecom Cable Termination Box(Non metallic) for Indoor use Telecom 0 Spec: RDSO/ SPN/ TC/97/2012 2 RDSO Item ID: 3100114 VHF Based Approaching Train Warning System for Track Maintainers Telecom 0 Spec: RDSO/SPN/TC/105/2015, Ver-2 3 RDSO Item ID: 3100172 Voice Data Logger/ Monitor for Control Circuits Telecom 1 Spec: RDSO/SPN/TC/038-2002 Version: 4 RDSO Item ID: 3100178 Surge Protective Device For Telecommunication Equipment Telecom 0 Spec: RDSO/SPN/TC/ 98/2011 Rev.

2 0 with Amendment 5 RDSO Item ID: 3100187 24/48 Fibre Armoured Optical Fibre Cable Telecom 0 Spec: RDSO/SPN / TC/110/2020 6 RDSO Item ID: 3100198 Joint Enclosure for Armoured Optical Fibre Cable Telecom 0 Spec: RDSO/SPN/TC/68/2014 with Amdt 7 RDSO Item ID: 3100210 Point to Point Wireless System Telecom 0 Spec: RDSO/SPN/TC/91/2012 Rev. 1 Amendnent 8 RDSO Item ID: 3100497 SMPS based Telecom Integrated Power Supply System for Station (TIPSS) Telecom 2 Spec: RDSO/SPN/TC/102/2013 Ver Amendment 1 9 Brake System for 3-phase locomotives Electrical Loco 2 Spec No. - For WAP-5, CLW/MS/10/031 Alt. 9 or latest & For WAG-9 Co-Co, CLW/MS/3/001 Alt .16 or latest STR No. RDSO/2011/EL/STR/0 076 10 3 Phase Locomotive Traction Motor Bearing of TM type 6 FXA7059 Electrical Loco 2 Spec. No. - FRS NO. RDSO/EL/FRS/Bearing/0011- 2015 Rev'0' STR Nil, TYPE - NU224 & NH219 11 Axle Box Bearing For WAP5 Locomotives Electrical Loco 1 12 Main Gear bearing for Aluminum gear case of WAP5 b.

3 Intermediate gear bearing for Aluminum gear case of WAP5 c. Pinion bearing for Aluminum Gear case of WAP5 Electrical Loco 2 DRG - a. L 558548 L558510 b. M 432148A M 432111 c. 798-792 13 Metallised Carbon Strips for pantograph with Auto dropping device Electrical Loco 1 Spec no. - RDSO/2014/EL/ SPEC/ 0114 Rev. 0 14 Development of Functionality Equivalent PCB Cards of GTO Based Converters and MICAS VCU in Three Phase Electric Locomotives Electrical Loco 2 Spec No. RDSO/2018/EI/ SPEC/ 0139 Rev-0 STRNo. RDSO/2018/EL/ STR/0091, Rev-0 15 Automatic Twist Locks(ATL) devices Wagon 1 (Single Source) M/s Sanrok Enterprises, Faridabad RDSO Document No. CONTR-01-MSG-ATL-2011 of Nov 2011 & envelope drg no. CONTR-9405-S/21 16 Non Asbestos K type High friction Composition Brake Block for Freight stock,840 mm Wagon 1 (Hindustan Composites Limited, Aurangabad, Maharashtra) WD-14-ABR-2019 & DRG No. 15023-S-01 17 AAR Approved Cartridge Tapered Roller Bearings Class 'K' (6 1/2"X9") for Freight Stocks Fitted with Light Weight Low Height (LWLH) Bogies (Narrow Jaw) for 25t axle load application to RDSO Wagon 2 (M/s NEI Engineering Industries Ltd, Jaipur and M/s Timken India Ltd, Jharkhand) STR No.

4 AB/RB-41-2016 18 Reconditioning of wheel burns/scabs and Reconditioning of cupped welded joints by micro flow metal spray powder Track Design Directorate (ED/TK-II) 1 19 25 kV Double Pole Vacuum Circuit Breaker TI 2 Spec no. - TI/SPC/PSI/LVCBIN/0120 (12/13) Rev- 0 With A&C - 1 STR- TI/STR/015 20 Higher diameter ( mm to 26 mm dia.) Continuous Cast Copper (CCC) Wire Rod ( Manufactured by South Wire Process) TI 1 Spec no. -ETI/OHE/65 (08/87) with A & C Slip No. 1 to 5 and ETI/OHE/76 (06/97) with A&C Slip 1,3,4,5,6,7,8,9 & 10,STR- TI/STR/025 (Rev 1) 21 25 kV Double Pole Vacuum Interrupters TI 2 Spec no. - TI/SPC/PSI/LVCBIN/0120 (12/13) Rev- 0 With A&C - 1 STR- TI/STR/015 22 Shunt Capacitor TI 2 Spec no. - ETI/PSI/126(08/1989) with A&C 1 to STR- TI/STR/005 , A&C 1, ETI/PSI/702-1 23 Control and Relay Panel including Numerical type Protection Relays for Scott-Connected/V-connected, Single Phase Traction transformers, OHE protection, 55kV AT Protection and Shunt Capacitor Bank Protection for 2x25 kV Traction Substation, SSP, SP & AT Post.

5 TI 3 24 Control and Relay Panel for 25 kV AC TSS including Numerical Type Protection Relays for Traction Transformer, OHE Protection, 25 kV Shunt Capacitor Bank and Transmission line for25 kV AC TSS on Indian Railways. TI 3 Spec no. -TI/SPC/PSI/PROTCT/6071 with A&C Slip No. 1 STR- TI/STR/001 & TI/STR/002 25 Series Reactor for Capacitor Bank Low loss TI 2 Spec no. -TI/SPC/PSI/FC&SR/0100 with A&C Slip No. 1 (Oct 2016) STR- TI/STR/004, ETI/PSI/702-1 26 Microprocessor based Numerical Integrated Feeder Protection Module comprising DPR,OCR,WPC,PTFF& Auto Reclosure Relay for 25 kV AC Single phase 50 Hz Traction Sub-station. TI 3 Spec no. -TI/SPC/PSI/PROTCT/5070 ( ) with A&C Slip No. 1 STR- TI/STR/001 27 Delta-I type high resistive fault selective relay for 25 kV AC single phase 50Hz traction system. TI 3 Spec no. -TI/SPC/PSI/PROTCT/1982 with A & C Slip & 2 STR- TI/STR/001 28 Panto Flash Over Protection Relay for 26 kV AC single phase 50Hz traction system.

6 TI 3 Spec no. -TI/SPC/PSI/PROTCT/2983 with A & C Slip STR- TI/STR/001 29 Control and Relay Panel including Numerical Type Protection Relays for Mumbai Sub-urban area for 50Hz AC Traction Power Supply System including Parallel Operation on 25 kV Side. TI 3 Spec no. -TI/SPC/PSI/PROTCT/4050(10/2005) with A&C Slip No. 1 STR- TI/STR/001 & TI/STR/002 30 Converter Oil TI 1 Spec no. -IEC: 60296-2003 and CLW CLW/ES/3/0172(Latest and RDSO requirement) STR- TI/STR/013 31 25 kV Composite section Insulator (1050 mm CD) TI 1 1. Spec no. -TI/SPC/OHE/INSCOM/1071 2. STR- TI/STR/006 32 Series Capacitor TI 1 Spec no. - ETI/PSI/127(08/1989) with A&C 1 to 3 STR- TI/STR/005 , A&C - 1 ETI/PSI/702-1 33 Light Weight Section Insulators Assembly TI 1 Spec no. - TI/SPC/OHE/LWTSI/0060 With A&C STR- TI/STR/024 Rev. 34 66 kV Double Pole, Triple Pole, Outdoor SF6 Circuit Breaker for Indian Railways. TI 1 35 8 MVA, 55 kV Auto Transformer TI 1 SPEC. No - ETI/PSI/125 (07/1997) with A&C Slip (Oct.)

7 2016) 36 MVA, 55 kV, Auto transformer TI 1 37 MVA, 55 kV Auto Transformer TI 1 38 38/53/63 MVA,132 Single Phase Traction Power Transformer TI 0 39 60/84/100 MVA, 132kV/2X55kV, Scott Connected Traction Power Transformer. TI 0 40 Spring Auto tensioning device (Spring ATD) TI 0 41 Modular Cantilever System TI 0 42 Series Reactor for 2x25 kV Feeding System TI 0 43 2000 Amp., 25kV Single/Double Pole motorised Isolator TI 0 44 30/42 MVA, 132/27 kV 50 Hz Single Phase ONAN Traction Power Transformer with Onload Tap Changer QAE 2 45 MVA, 50 Hz, Single Phase, ONAN/ONAF, Traction Power Transformer 66/27 kV QAE 2 46 30 MVA, 50 Hz, Single Phase, ONAN, Traction Power Transformer with On Load Tap Changer (110/27kV) QAE 1 Spec no. - TI/SPC/PSI/30 TRN/2070 with A & C Slip (Oct, 2016) STR- TI/STR/014 47 Portable ultrasonic Flaw Detector with A-Scan Storage M&C 2 Spec. No.: M&C/NDT/125/2004, , Jan. 2017, Effective Date: STR No.: M&C/NDT/131/2009, Rev-1, June-2015 Effective Date