Infringement Removal and associated activity in relation to engineering work from Rampurhat to Dumka(excluded) length 64 Km of Howrah Division of Eastern Railway in connection with Bhagalpur - Dumka- Rampurhat Doubling (177 Km).

01-Group-A (Revised SOR(S&T)-Nov.'2023 Items) 275254842.77 Below/P

"Design, manufacture and supply of Electronic Interlocking (EI) system complete with architecture of EI i.e. Distributed or Centralized as per the requirement of Zonal Railway, as per RDSO specification No.RDSO/SPN/ 192/2019 Ver. 2 or RDSO/SPN/203/2011 Ver. 1 for Big Yard having 1 more than 200 Routes or latest or as per approval of PCSTE for specification to be adopted and from RDSO approved source only and as per special conditions of contract mainly consisting of Microprocessor Equipment, Interface Equipment, EI vendor specific Interfacing Relays , In-built event Logger, In-built Power Supply equipment, Racks (Only Relay Rack/EI Rack), Indoor cables, Wires, Fuses , Fixtures, Mounting arrangements along with all accessories required to make complete EI system functional. Design of indoor EI system should be compatible as per outdoor interlocking requirement based on Signal Interlocking Plan & Selection Table of station/yard and will be done by OEM after following all theof cards are not to be submitted as per latest guidelines of Railway Boardguidelines/directives issued by RDSO from time to time as per RE requirements , hot standby with Dual VDU [two nos. of industrial grade high resolution VDUs (Note: Size of VDU to be provided shall be based on the no. of routes, (i)For less than 100 Routes-55"" LED based VDU with 4K resolution suitable for 24x7 application,(ii)For more than 100 routes and less than 200 Routes-65"" LED based VDU with 4K resolution suitable for 24x7 application,(iii)For more than 200 routesLarger size of LED based VDU with 4K resolution suitable for 24x7 application or array of LED panel with minimum/zero bezel or video wall with redundant controller in hot standby configuration, as specified by purchaser is to be provided) conforming to SIL-II certification for operator console at central location, Maintenance Terminals (Size of VDU should be same as for operator VDU as indicated in (i) &(ii), however for (iii) purchaser will specify) along with laser printer at central & goomties locations housing for EI equipment and Relay Racks, Fixture, mounting arrangements and accessories necessary to make the EI system functional, Tentative SIP is enclosed for station. This provision of hot-standby arrangement must have the supply, installation and commissioning of associated cards for the above arrangement such as communication card, synchronization card and others cards as required with supply & installation of supporting software and drives etc. also optical Fiber link with loop back (Protection ring) between center to goomties. Breakup of (i) each type of main equipment module/cards (ii) each type of vendor specific relays(iii) dc-dc converters of all voltages (iv) switches, connectors, fuses, couplers. (v) consumables for wiring material & communication equipment required should also be quantified in the breakup. (module wise rates, inspection authority and quantity should be given in separate sheet.), without which offer will not be considered. Embedded industrial grade fan less PCs should be of rugged and reliable type like MOXA series V 2406, Kontron MPCX28R, MEN BC50M or latest with compact flash drives in non-AC and in normal environment to be used. Minimum requirement of Embedded PC for EI shall be as per RDSO Specification. ........."For Station with routes more than 50 and less than 200 routes (Station : Shikaripara , Harinsing)"

"Installation, wiring, testing (FAT & SAT) and commissioning of EI System with 'Hot Standby' architecture as supplied above item-100101/2/3. It includes transportation of material from consignee's depot to the site, erection and grouting of EI Relay Racks, fixing and wiring of all the interfacing relays (Vital & NonVital), installation and wiring of Microprocessor equipment, interface 2 equipment, power supply equipment and all other associated accessories to make complete EI system to be functional. Note: (i) Technical Requirements are attached with tender document (ii) Contractor has to arrange simulator/simulation testing panel for testing and commissioning by Selection Table and Square Sheet for each Signalling function. (iii) Installation, wiring, testing and commissioning of EI system will be done by OEM after following all the guidelines/directives issued by RDSO from time to time"

Supply of portable work station to run along with EI configuration tools, data input, simulation and functional testing, diagnostics and trouble shooting and commissioning of EI System. 3 It also includes supply of Laser Printer (Only branded). The minimum configuration of workstation should be Intel i5 with 8 GB RAM,500 GB HDD and 15 inches LED display of standard make such as Dell/HP/Lenovo or Equivalent with required software as mentioned above and compatible ports to connect with EI. Detailed Technical Specifications should be attached with the tender document by Tendering authority. Inspection: Consignee

"Maintenance supervision of Electronics Interlocking equipment for one years from the date of expiry of free maintenance period as per conditions of contract, as per the details given in special condition of contract agreement, as per the latest guidelines of PCSTE, and provision 4 mentioned in Signal Engineering Manual. All the records are to be maintained as per latest circulars prevailing in the Division. During maintenance at least two expert personnel from the firm should be available at the station round the clock. NOTE-This item will be operated separately and will not restrict closure of contract. Separate bank guarantee will be submitted for this schedule item if require"

"Training of Railway Personnel by OEM for installation, Commissioning, Testing, 5 troubleshooting & making changes in application data and logics by railway officials to suit yard modification done at later stage including documentation. (Hard copies of training material/ course modules to be given to each participant)"

"Supply, Installation, wiring, testing and commissioning of embedded fan less PC with VDU for control terminal/maintenance terminal as per RDSO spec. No. RDSO/SPN/192/2019 Ver. 2 or latest. Note: (i) Technical requirements & size of VDU shall be mentioned in the tender document"

Design of circuits and plans to suit layout given in the signalling plan of IBS/ABS/LC GATE. All plans and wiring diagram shall be prepared on Auto Cad Drawing and supplied with CD. This will include supply of Control cum Indication panel diagram, Route section plan, square sheet, wiring diagrams, Relay rack/Relay arrangements, Bus bar details, Fuse analysis, contact analysis, Relay room tag block analysis, panel tag block analysis, Power panel diagram, IPS wiring diagram, Auto change over diagram, Power equipment arrangement with program switch, Block circuit wiring diagram, Digital Axle counter wiring diagram and all other relevant drawings. NOTE: The contractor 7 shall initially supply 2 sets of documents (Paper Prints) for approval of Railways. Railway will return one set to the contactor duly approved with alterations/corrections, if any. The contractor shall incorporate Railways' alterations/ corrections/ comments, if any, in the tracing & CD without any deviation and submit all the tracings and Final CD complete with all respect for Approval of Railways. After Approval of Railways on the tracings, the contractor shall submit 3 sets of final approved diagrams to the Railways within 15 days. He shall ensure that each sheet has a block for signature of railway official as well as a block for signature of firm, duly signed by the authorized signatory of the firm. The name of the work as given by Railways shall be written on every sheet under the work column. All the drawing shall be supplied in a good quality folder for each IBS/ABS/LC Gate.

Design of circuits in connection with preparation of wiring diagrams as per approved Signalling Plan and submission of indoor as well as outdoor completion documents for alteration work. It includes Route Section Plan (RSP), Selection Table (ST), Locking Table (LT) and Control Panel Diagram (CPD). Two copies of prints with soft copy will be submitted to Railway for checking. If alterations are suggested/proposed by Railways, then again two copies of prints will be submitted for advance approval after carrying out all the alterations as suggested/proposed by the Railways. Tracings will be submitted for all the diagrams mentioned above for the purpose of approval by Railway prior to commissioning of station. All drawings will be prepared in CAD. The wiring diagrams will consist relay rack analysis, relay contact analysis, fuse details. Tag block analysis etc. A separate CD/Pen drive will be submitted to Railway for each station along with original tracings. It also 8 includes preparation and supply of laminated one set of all completion plans including circuit diagrams and indoor as well as outdoor completion documents on standard 75-micron polyester film for station in Auto CAD. 6 (Six) sets photo copies will be submitted for each of the documents mentioned below: Cable Route Plan, Cable Core Chart, Location details plan for all the locations, Cable termination details, Signalling Plan, SWR Diagram, Wiring Diagrams, Selection Table, Locking Table, Contact Analysis, Fuse and Tag Block Analysis of Relay Rack and CT Rack, Control Cum Indication Panel, Power Panel Diagram, Track Circuit Plan, Rack Erection Plan and Junction Box details etc. Note: Total cost of design and completion documents for a station/yard will be calculated on basis of total possible movements/routes as per Selection Table (ST). Note: (i)This should comply ANNEXURE-010100 of SOR in special condition of contract Pt. No. 4.3.3 as applicable. (ii) EI Annexure at pt. No. 4.3 as given in Special Conditions of Contract is to be followed during execution of this item.

Supply of Micro Processor based Data Logger System with 1024 digital and 32 analog inputs with DOT Matrix Printer,80 COL as per RDSO Spec. No. IRS (S) 99/2006 with Amdt. 3.0 or latest. It includes supply of all the items required for complete indoor relay room wiring from data logger to relay rack tag blocks, drawing/extension of power supply up to Data Logger. It includes relay room door lock checking arrangement, commercial power supply monitoring arrangement & monitoring of DG sets, ELD, IPS, UFSBI, BI, interlinking and networking of Data logger. It also includes supply of leased line MODEM and other interfacing cards, if required for networking of Data logger. This also includes supply of one no. composite computer with The minimum specification should be as given core i7 or higher version processor (speed 3.2 GHZ, 4 MB cache memory),8 GB RAM,2TB HDD or Higher, Two front and four rear USB port,1 Serial & 1 Parallel Port,1VGA Port,21'' LED Colour Monitor (HP/DELL or equivalent) or Bigger Size, Sound Card with Speaker,1000 MBPS Network Card, Keyboard, Optical Mouse,10/100 T Lan Card, Combo Drive, Microsoft Windows 10 Licensed OS with Licensed (Antivirus, MS Office etc.),UPS 750 VA with 30 Minutes minimum backup(APC/Microtek or Equivalent), LaserJet Printer(HP Pro 1108 or superior)and printer table (Godrej work station table or similar) for keeping processor module workstation and one number Godrej operator chair Model PCH7001 or similar. Note: (1) Total numbers of relays and other signalling functions/gears required to be wired as per list circulated vide RDSO Letter No.STS/E/Data logger dtd.12.09.2011 or latest guidelines of Railway Board/RDSO/Zonal Railway. (2) Exceptional reports are to be generated by a computer connected to datalogger at the station and at a central location in Control Room. Datalogger software should be able to generate exceptional reports for maintenance, safety and operations as per latest guidelines of Railway Board/RDSO/Zonal Railway. Datalogger to be installed at Site by OEM. Manufacturing date of datalogger/RTU and printer should be of current year at the time of supply. Inspection: Consignee (For Furniture, PC,Printer and Accessories) Inspection: RDSO(For Data Logger and accessries) Inspection: RDSO for Datalogger. Inspection: Consignee for Printer & other items.

Supply of 24V power supply with Charger as per RDSO Spec. No. IRS-S-93/96B with Amdt.1 or latest with battery backup of 80AH capacity for data logger. Material to be procured from RDSO's approved source only. Inspection: -Consignee

Supply of Dual Leased Modem internal card to fit in central processing unit rack for 11 networking of data logger system of other stations. Each set shall comprise of one pair of modem and shall have data compatibility 1TUV 21, V2, V22 BITS, V23V23A, B V25 BITS, V32, V32 BITS V42, V42 BITS, suitable to work in either ofc media or microwave or quad cable. Inspection: Consignee.

Installation, wiring, testing & commissioning of Micro Processor based Data Logger System with 1024 digital and 32 analog inputs as per RDSO Spec. No. IRS (S) 99/2006 or latest It cover complete indoor relay room wiring from data logger to relay rack tag blocks, drawing/extension of power supply up to Data Logger. It includes relay room door lock checking arrangement, commercial power supply monitoring arrangement & DG sets, ELD, IPS, UFSBI, BI interlinking and networking of Data logger. All material required for wiring, networking, power supply monitoring, door-locking arrangement etc. will be supplied by contractor. Note: Total numbers of relays and other signalling functions/gears required to be wired as per list circulated vide RDSO Letter No.STS/E/Data logger dtd.12.09.2011 or latest guidelines of Railway Board/RDSO/Zonal Railway. Networking of data logger includes extraction of data report from Control room. Exceptional reports are to be generated by a computer connected to datalogger at the station and at a central location in Control Room. Datalogger software should be able to generate 12 exceptional reports for maintenance, safety and operations as per latest guidelines of Railway Board/RDSO/Zonal Railway. Datalogger to be installed at Site by OEM.For networking, required communication channel (Quad/ OFC cable) will be arranged/provided by Rly in SM/ASM's room or in OFC/AUTO/EI Huts and it will be extended by contractor up to location of data logger by using CAT- 5/6 telecom cable with proper casing and capping. The contractor will supply all the material like CAT-5/6 telecom cable, casing & capping, nuts, bolts etc. The final commissioning will be done after filling up of Pre- Commissioning checklist (circulated by RDSO) with the OEM representative. Datalogger to be validated and commissioned before simulation test and put in network, validation statement should be jointly signed by railway engineer (open line), railway engineer (construction) & OEM'S engineer before simulation test with name, designation and date. Payment for this item will be released only after submission of duly signed pre-commissioning checklist of data logger in standard RDSO format, joint signature of validation statement. OEM'S engineer will also impart training to rly staff at site for proper functioning /working and applications of data logger.Inspection: Consignee.

Supply of Failure Analysis System (FAS) with Fault Analysis Software (Datalogger Analyser) consisting of a PC (Make- Dell /HP or Equivalent) as per Technical Specifications. The specification of FAS should be got approved from the Engineer in charge before supply. Note: The minimum specification should be as given core i7 or higher version processor (speed 3.2 GHZ, 4 MB cache memory),8 GB RAM,2TB HDD or Higher, Two front and four rear USB port,1 Serial & 1 Parallel Port,1VGA Port,21'' LED Colour Monitor (HP/DELL or equivalent) or Bigger Size, Sound Card with Speaker, 1000 MBPS Network Card, Keyboard, Optical Mouse,10/100 T Lan Card, Combo Drive, Microsoft Windows 10 Licensed OS with Licensed (Antivirus, MS Office etc.),UPS 750 VA with 30 Minutes minimum backup(APC/Microtek or Equivalent), LaserJet Printer(HP Pro 1108 or superior). Inspection: Consignee

Relay fail safe electronic time delay device with fixed timing (0 -120) seconds and 14 conforming to RDSO Specn.No.IRS: S-61/2000 with Amnd.2 and IRS: S-34 & S-23 with Amdt. up to date or latest mounted on Q-series relay base & covered complete with connectors, retaining clip etc. The interlocking code for this unit shall be "AFGKY" .Inspection:- RDSO

"Relay fail safe electronic time delay device with fixed timing (0 - 60 ) seconds and 15 conforming to RDSO Specn.No.IRS: S-61/2000 with Amnd.1 or latest mounted on Q-series relay base & covered complete with connectors, retaining clip etc.The interlocking code for this unit shall be ""AFHKY"". Inspection authority:- RDSO "

Q-Series Neutral Line Relay (QN1 Type), 8F/8B, 24V DC complete with plug board 16 (base plate), connectors and retaining clips etc and conforming to BRS- 930 and RDSO Specn.No. IRS: S-34 & S-23 with Amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABCDF". Inspection authority:- RDSO

Q-Series Magnetically Latched Neutral Line Relay (QL1 Type), 11F/4B,24V DC 17 complete with plug board (base plate), connectors and retaining clips and conforming to BRS-935A and RDSO Specn.No.IRS: S-34 & S-23with Amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABDEG". Inspection authority:- RDSO

"Track Relay QBAT, AC immunized, 2F-2B contacts, 9 ohms. Complete with plug board, retaining clip &connectors as per RDSO/SPN/84 Ver 2.0 or latest. Theinterlocking code for this unit shall be ""ABEJX"". Inspection authority: - RDSO"

Q-Series LED ECR (Universal Type i.e. QECX-61), 4F/4B complete with plug board 19 (base plate), connectors, retaining clips etc and conforming to BRS:941A STS/E/RELAYS/AC LIT LED SIGNAL/09-2002, Amdt. -1 and RDSO Specn.No.IRS:S-34 & S-23 with Amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABDHK".Inspection authority:- RDSO

Q-Series Line Relay (QNA1 Type),AC immunized, 8F/8B, 24 V DC along with plug 20 board (base plate), connectors, retaining clips etc and conforming to BRS-931A and RDSO Specn.No.IRS:S-34 , S-23 and S-60 or latest. The interlocking code for this unit shall be "ABDGH".Inspection authority:- RDSO

Q-Series Track Relay (QTA2 Type), AC immunized, 9 Ohms, 2F/1B along with plug 21 board (base plate), connectors, retaining clips etc and conforming to BRS:939A & 966(Appendix F2) and RDSO Spec No. IRS:S-34 , S-23 with amdt. upto date as applicable or latest with latest amdt. or latest. The interlocking code for this unit shall be "FGHKX".Inspection authority:- RDSO

Q-Series Neutral Line Relay(QSPA1 Type), 24V DC,8F/4B along with plug board (base 22 plate), connectors, retaining clips etc and conforming to BRS-933A and RDSO Specn. No.IRS:S -34 , S-23 & S 60 with amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABDEJ". Inspection authority:- RDSO

Contactor Unit (QBCA1 Type), 24 V DC, 2F(HD)/4B or 2F(HD)2F-4B complete with 23 plug board (base plate), connectors, retaining clips etc and conforming to BRS- 943 and RDSO Specn.No.IRS:S-34 & S-23 with amdt. upto date as applicable or latest. The interlocking code for this unit shall be "BCEJK" or "DEHJX". Inspection- RDSO

"Key Lock Checking Relay (KLCR) working on 24V DC, AC Immunized with different 24 ward combinations and contact configuration 4F/4B with 6 extra ward plates and with case, RDSO spec no. RDSO/SPN/219/2016 ver 1.0 or latest, confirming to IRS S-23, S-34 & S - 6 0 IRS S:46. Inspection authority:- For bare relay -Consignee. for key lock housing- consignee "

"Supply of 1 x 10 Sq.mm. (Red/Black/Green) multi strand copper power wire as per IS: 694:2010 or latest, 140 conductor each dia 0.30mm +/- 0.01 with insulation thickness of 1.0 mm 25 and nominal conductor resistance of 1.91 ohms/km and test parameters as per RDSO Specn.No.IRS:S- 76/89(Amnd.3) or latest. Color of the wire which is required will be specified by the Engineer in-charge. Inspection: (i) RDSO/RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board."

"Supply of 1 x 35 Sq.mm. (Red/Black/Green) multi strand copper power wire as per IS: 694:2010 or latest, 276 conductor each dia 0.40mm +/- 0.01 with insulation thickness of 1.2 mm 26 and nominal conductor resistance of 0.554 ohms/km and test parameters as per RDSO Specn.No.IRS: S- 76/89(Amnd.3) or latest. Color of the wire which is required will be specified by the Engineer in charge. Inspection: (i) RDSO/RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board."

Installation and wiring of relay rack as per DRG.NO.S&T/C-20/2001 with modification vide CSTE/ER'S LETTER NO.SG.42/9, DT.15/3/2016. Supply and fixing of fuses with base, diodes; resistances; condensers, terminal strips / tag blocks, bus bars & other equipment's required for the approved system design complete with scaffolding materials & required hardware & erection 27 materials to accommodate 100 relays (station wise quantity to be specified by the tenderer). PVC wire as per RDSO SPEC.IRS-S-76/89, AMD-2 or latest (for wiring of relay rack) shall be supplied by the contractor, duly inspected by RDSO. This includes supply of relay rack to accommodate 100 relays complete with fittings as per DRG.NO.S&T/C-20/2001. Note: - this includes status of relay to be indicated through led indication at the top of relay rack and in this connection all the required materials to be supplied by the contractor. Rack to be fixed on rubber pad. Supply. Inspection:RITES

Installation and wiring of relay rack as per DRG.NO.S&T/C-20/2001 with modification vide CSTE/ER'S LETTER NO.SG.42/9, DT.15/3/2016. Supply and fixing of fuses with base, diodes; resistances; condensers, terminal strips / tag blocks, bus bars & other equipment's required for the approved system design complete with scaffolding materials & required hardware & erection 28 materials to accommodate 100 relays (station wise quantity to be specified by the tenderer). PVC wire as per RDSO SPEC.IRS-S-76/89, AMD-2 or latest (for wiring of relay rack) shall be supplied by the contractor, duly inspected by RDSO. This includes supply of relay rack to accommodate 100 relays complete with fittings as per DRG.NO.S&T/C-20/2001. Note: - this includes status of relay to be indicated through led indication at the top of relay rack and in this connection all the required materials to be supplied by the contractor. Rack to be fixed on rubber pad. Execution.

Installation of cable termination rack with scaffolding materials ladder for supporting outdoor cable; wire guide complete with other necessary hardware as per requirements of rly. & 29 erection materials. Wires to be procured from RDSO's approved firm only. This includes supply of cable termination rack as per DRG.NO. S&T/C- 17/2001 OR latest with screw less disconnect type connectors (Wago/Phoenix/Similar) , scaffolding materials, ladder for supporting outdoor cable, wire guide, NDT fuse complete with other necessary hardware as per requirements of railway & erection materials. Supply. Inspection: RITES

Installation of cable termination rack with scaffolding materials ladder for supporting outdoor cable; wire guide complete with other necessary hardware as per requirements of rly. & 30 erection materials. Wires to be procured from RDSO's approved firm only. This includes supply of cable termination rack as per DRG.NO. S&T/C- 17/2001 OR latest with screw less disconnect type connectors (Wago/Phoenix/Similar) , scaffolding materials, ladder for supporting outdoor cable, wire guide, NDT fuse complete with other necessary hardware as per requirements of railway & erection materials. Execution.

Supply of PBT ARA terminal as per IRS SPECN.NO. IRS: S-75-2006(REV-2) OR LATEST. Material to be procured from RDSO's approved firm only. Inspection: RDSO. 1 WAY,DRG.NO.23741A, ALT-4.

Supply of PBT ARA terminal as per IRS SPECN.NO. IRS: S-75-2006(REV-2) OR LATEST. Material to be procured from RDSO's approved firm only. Inspection: RDSO. 6 WAY, DRG.NO.23756,ALT-3.

Supply of fuse block (PBT) to spec.no.IRS-S-75/2006(REV-2) OR LATEST,DRG.NO.SA- 33 23748 with fuse inserts cartridge, non-deteriorating type to spec.IRS-S-78/92 with latest amendment, to be mounted inside the location box on hylum sheet. Inspection: -RDSO. Fuse, non- deteriorating(2A/6A/10A/16A) type, cylindrical(IRS-S-78/92) [quantity as per site requirement]

Supply of fuse block (PBT) to spec.no.IRS-S-75/2006(REV-2) OR LATEST,DRG.NO.SA- 23748 with fuse inserts cartridge, non-deteriorating type to spec.IRS-S-78/92 with latest amendment, to be mounted inside the location box on hylum sheet. Inspection: -RDSO. Fuse Base. Per

Termination of Outdoor Cables (Main Cables /tail cables) at both ends in location 35 boxes, cable termination rack in relay room, station building, generator room etc. The item includes dressing of cables and wires with dressing threads as per standard practice. All material required for this item will be supplied by contractor. The outdoor cable shall be terminated in Relay Room, DG Room, ASM Room etc under supervision and instructions issued by Engr. incharge of the work. Inspection: Consignee

Supply of Disconnect Terminal Block, Screw less type, as per RDSO Spec. No. 36 RDSO/SPN/189/2004(Modular Terminal Blocks, Fuse Terminal Blocks &Miniature fuse link of international standard for Railway signalling) With latest amendments.Inspection: Consignee Supply of End plate 2.5mm/0.091 in thick as per site requirement.

Supply of End Stopper 10mm/0.0394 in width as per site requirement.

Supply of Carrier Rails for above 35mm x 7.5mm, 1mm/0.039 in thickness un-slotted type as per site requirement.

Supply of Markers strip.

Supply of Disconnect Terminal Block, screw less type, 2-wire front entry (One in-put & One out-put) The colour will be decided by Engineer - in - Charge. (Preferably In Blue, Red & Grey Colors in the ratio of 1:2:3)

Supply of shorting link (jumper) (part no - 283-402 or similar), suitable for 0.2 to 16 sqmm terminal block 283-901 or similar.

Supply of Fuse terminal block with LED indication up to 2.5 sq.mm screw type one in one out (suitable for (400 mA, 630mA, 1A. 1.6A, 2A, 4A, 6.3A & 10A) as per RDSO/SPN/189/2004 (without fuse).

Supply of Fuse links of (400 mA, 630mA, 1A. 1.6A, 2A, 4A, 6.3A & 10A)

Carrying out relay alteration to the existing relay wiring at relay rack/location box as per the approved circuit diagram. These work includes the releasing of existing unused wires and 44 wiring the relays using 16/0.2 mm copper wire as per RDSO Spec. Wire to be procured from RDSO's approved source and inspection: by RITES [for value of material above Rs. 5.0 lakhs.]. Inspection by consignee [for value of material below than Rs 5.0 lakh]. Note: - wire to be procured from RDSO's approved source only. All required material like wire, soldering material, paint etc. To be supplied by the contractor for execution of the work.

Inter connection wiring with ladder arrangement from control panel to IPS to relay rack, battery & CTR. This includes interconnection, wiring with ladder arrangement between relay racks, CTRS, control cum indication panel and relay rack tag blocks for data logger. This also includes termination of cables / wires on all the above and dressing, bunching etc. As required at site. 16 sq. mm. cable to be used between IPS & it's battery duly soldered with good quality lugs in duplicate. From relay rack to panel wire should be of 40/60 core multicore cable of 1 sq.mm., 0.5mm 45 dia., 16/0.2 mm for relays, 3/0.75 mm for MCBS and 10 sq.mm for power wiring. Indoor cable will be 60 x 1 mm /40 x 1 mm as per IRS-S-76/89, amd-2 or latest for interconnection. Supply of wires / cables by the contractor, shall be procured from RDSO's approved firm only & to be duly inspected. Note:1) necessary 40/60 multicore, 16/0.2 mm, 3.0.75 mm, 10 sq.mm cables required for wiring to be supplied by the contractor. 2)to suite load requirement necessary re-arrangement of DC-DC converters by OEM of IPS .Note: For payment purpose EI hut or any other installation having complete IPS Room, Relay Room, Battery room etc. will be considered as a station. Up to 6 Lines Station

Inter connection wiring with ladder arrangement from control panel to IPS to relay rack, battery & CTR. This includes interconnection, wiring with ladder arrangement between relay racks, CTRS, control cum indication panel and relay rack tag blocks for data logger. This also 46 includes termination of cables / wires on all the above and dressing, bunching etc. As required at site. 16 sq. mm. cable to be used between IPS & it's battery duly soldered with good quality lugs in duplicate. From relay rack to panel wire should be of 40/60 core multicore cable of 1 sq.mm., 0.5mm dia., 16/0.2 mm for relays, 3/0.75 mm for MCBS and 10 sq.mm for power wiring. Indoor cable will be 60 x 1 mm /40 x 1 mm as per IRS-S-76/89, amd-2 or latest for interconnection. Supply of wires / cables by the contractor, shall be procured from RDSO's approved firm only & to be duly inspected. Note:1) necessary 40/60 multicore, 16/0.2 mm, 3.0.75 mm, 10 sq.mm cables required for wiring to be supplied by the contractor. 2)to suite load requirement necessary re-arrangement of DC-DC converters by OEM of IPS .Note: For payment purpose EI hut or any other installation having complete IPS Room, Relay Room, Battery room etc. will be considered as a station. Alteration Work

Dismantling of Microlok rack, relay rack , cable termination rack of existing relay room and equipments of existing panel room & power room etc. 1183104.0

Supply, Installation and Commissioning of SMPS based Integrated power supply (IPS) system as per RDSO Spec. No. RDSO/SPN/165/2023 ( Ver4.0) with latest amendment if any and also as per Sketch No. DO/IPS/SMPS/6L RE-002 or Latest along with 300AH Low maintenance lead acid cell as per E. Rly. Practice. Inspection: RDSO

Supply of IPS DC-DC converter 24-32V DC, 5 Amp /10 Amp or 60-66 V DC, 5 Amp or 49 60-100V DC,1 Amp/ 3 Amp/ 5 Amp as per specification No. RDSO/ SPN/ 165/ 2025, version-4.0 or latest. Make: M/s. Statcon Ltd. M/s. HBL Ltd./M/s. Amararaja Ltd. Or Other RDSO approved make, compatible for the IPS make specified by Purchaser. Inspection: Consignee

Supply of uncharged Low Maintenance Lead Acid (LMLA) secondary cell, shelf mounting type conforming to RDSO Specn.No.IRS:S-88/2004 or latest with inter cell connectors, nuts and bolts etc. Inspection: RDSO 2V, 80 AH

Supply of uncharged Low Maintenance Lead Acid (LMLA) secondary cell, shelf mounting type conforming to RDSO Specn.No.IRS:S-88/2004 or latest with inter cell connectors, nuts and bolts etc. Inspection: RDSO 2V, 300AH

Charging of lead acid cell (Secondary cell) of various capacities as per 52 Manufacturer's/ Railway engineer's instruction. Acid and distilled water to be supplied by the contractor. Specific gravity acid should be approved type duly inspected by consignee. This includes installation and commissioning of battery in circuit. Battery to be kept on wooden rack. Inspection: Consignee. 2V, 80 AH

Charging of lead acid cell (Secondary cell) of various capacities as per 53 Manufacturer's/ Railway engineer's instruction. Acid and distilled water to be supplied by the contractor. Specific gravity acid should be approved type duly inspected by consignee. This includes installation and commissioning of battery in circuit. Battery to be kept on wooden rack. Inspection: Consignee. 2V, 300/500 AH

Supply and installation of lightning and surge protection device both Class 'B' & Class 'C' between line and neutral and neutral & earth of approved type. Inspection: Consignee

Supply of Ground Connection [BG] Threaded Type for IRS type Point Machine, as per CWM/Signal Workshop/Howrah/E. Rly. drawing number, Sl. No., Description of Drawing & CWM/SW/HWH's Drawing No. mentioned below: - 1. Detector Rod (Far End) - BS/29/721 with ALT-1 55 Detector Rod (Near End)- BS/29/722 with ALT-1. 2. Lock Rod (Far End) - BS/29/723 with ALT-1, Lock Rod (Near End) - BS/29/724 with ALT-1. 3. Switch Extension Bracket - BS/29/725 with ALT-1. 4. Drive Rod - BS/29/726 with ALT-1 Drive Lug- BS/29/726 A with ALT-1. 5. Sleeve- BS/29/726 B with ALT-1. 6. Lug- BS/29/726 C with ALT-1. 7. Pin- BS/29/726 D with ALT-1. 8. Sketch showing the Layout arrangement- BS/29/727 with ALT-1. Amdt. and alt. up to date if any. Inspection: Consignee Turn Out

Supply of Ground Connection [BG] Threaded Type for IRS type Point Machine, as per CWM/Signal Workshop/Howrah/E. Rly. drawing number, Sl. No., Description of Drawing & CWM/SW/HWH's Drawing No. mentioned below: - 1. Detector Rod (Far End) - BS/29/721 with ALT-1 Detector Rod (Near End)- BS/29/722 with ALT-1. 2. Lock Rod (Far End) - BS/29/723 with ALT-1, Lock Rod (Near End) - BS/29/724 with ALT-1. 3. Switch Extension Bracket - BS/29/725 with ALT-1. 4. Drive Rod - BS/29/726 with ALT-1 Drive Lug- BS/29/726 A with ALT-1. 5. Sleeve- BS/29/726 B with ALT-1. 6. Lug- BS/29/726 C with ALT-1. 7. Pin- BS/29/726 D with ALT-1. 8. Sketch showing the Layout arrangement- BS/29/727 with ALT-1. Amdt. and alt. up to date if any. Inspection: Consignee Trap

"Installation of electric point machines on MS plate fixed on wooden/ concrete sleepers complete with fixing of junction boxes, ground connections including smithy works 57 involved, insulation of MS plate on which the point machine is to be fixed from the gauge tie plate involving riveting/welding of angle cleats, installation of point JB, termination adjustment for operation of points by crank handle, painting and lettering as required including wiring, testing and commissioning. Note: MS plate/flat/angle /angle cleats, paints, bolts & nuts and washers of sizes as required for fixing the point machine shall be supplied by the contractor except point machine."

Dismantling of existing point fittings, drilling of holes in stock rail/tongue rail/ gauge tie plate, re-arrangement and re-fixing of existing electrical detector and installation of IRS 24/2002 58 with latest Amdt. point machine on MS plate fixed on wooden/concrete sleepers complete with fixing of point JB ground connections including smithy job for welding & termination & wiring of point machine, adjustment and testing as per technical specification and dismantling of all new fittings excluding point machine and marking with paint for future and transportation up to railway's store.

Supply of GI bend pipe, 'B' class, 50mm dia. for cable entry in point machines, alongwith required fixing arrangements as per standard practice on Eastern Railway. Inspection: Consignee.

Dismantling of point machine with ground connection including point JB.

Supply of Track feed Battery Charger as per RDSO Specn. No.IRS: S-89/2013 Ver.1.0 or latest. Charging Capacity Rating 10 Amps for Charging 80 AH Battery. Inspection: RDSO

Supply of Adjustable Track Feed Resistance 30 Ohms (Disc Type) as per RDSO Drg. No.SA-20161-66/M or latest. Inspection: Consignee Per Track

Installation wiring, testing and commissioning of single rail dc track circuit (TRACK CIRCUIT (BEYOND 200 MTRS.)) as per approved track circuiting plan. The work includes track battery charging and installation, fixing of track bonding (double) with 8 SWG soft GI wire, laying of tail 63 cables with track lead junction box, rail connector with galvanised iron wire, track jumpering(double) with supporting arrangement for holding as per track circuit plan. It also includes installation and wiring of track feed chargers, track relays, track circuit equipment's in the location box including fuses and ARA terminals required for the purpose as per DRG NO. SK/10/95(NKG) including drilling of 9/32" hole on rails where required. Fixing of track lead junction boxes. Note: - battery charging solution to be supplied by the contractor & double jumpering to be provided. Per Track

Installation wiring, testing and commissioning of single rail dc track circuit (SHORT LENGTH TRACK CIRCUIT UPTO 200 MTS.) as per approved track circuiting plan. The work includes track battery charging and installation, fixing of track bonding (double) with 8 SWG soft GI wire, 64 laying of tail cables with track lead junction box, rail connector with galvanised iron wire, track jumpering(double) with supporting arrangement for holding as per track circuit plan. It also includes installation and wiring of track feed chargers, track relays, track circuit equipment's in the location box including fuses and ARA terminals required for the purpose as per DRG NO. SK/10/95(NKG) including drilling of 9/32" hole on rails where required. Fixing of track lead junction boxes. Note: - battery charging solution to be supplied by the contractor & double jumpering to be provided. Per Track

Installation, wiring, testing & commissioning of track circuit involving points & crossings as per track circuiting plan, track battery charging and installation including drilling 9/32" hole on rails; fixing of bonding(double) with 8 SWG soft GI wire, insulation of stretcher bars (leading & following), gauge / crossing tie plates involving cutting and riveting/welding of angle clit, split stretcher bars, fixing of track lead junction box, rail connector with GI wire, track jumpering (double) with supporting arrangement for holding termination of track lead wires, including series jumpers, jumper wire terminals, track feed set(track chargers, resistance, fuses, battery etc.) As per approved IYD for point zone track circuit. Note: - battery charging solution to be supplied by the contractor & double jumpering to be provided.

Supply of Track Lead Junction Box(TLJB) made from FRP material including brass bolts and hylam board sheet with terminals etc. The technical specifications are as follows:(a) TLJB complete with cover to be in black/red having approximate weight of 4.0 Kg with L-262mm W- 212mm and H 90 mm and all the holes required for mounting on FRP stump (vertically two for each FRP angle) HDPE pipe , cable etc.(b) Each TLJB shall have two bakelite terminal block fitted 66 horizontally : each bakelite terminal block shall have two nickel chrome plate M10 brass terminal, 50mm long. Alongwith each TLJB , nickel chrome plated brass links(two nos.0f adequate strength for vertical linking of the terminals to be supplied.(c) HDPE pipe of size 32/35mm , 380 mm long alongwith two nuts for fixing on the TLJB hole .(d) The FRP stump for mounting the TLJB to be made of one meter long 30mm X30mmX 4mm angle(2 nos.) and 300mm long 30mm X30mmX 4mm angle(1 no.) fixed at 50 mm from the bottom using galvanised nuts and bolts. The TLJB and the angles for stump should come alongwith holes on them for fixing using galvanised nuts and bolts of adequate strength to be supplied alongwith TLJB.Inspection: Consignee

Erection, Fitting and Rail connection of Track Lead Junction Box on two supports (FRP 67 stumps) with contractor's fixing material. This will include drilling of holes for track lead/side connections on rail. The work shall be done as per instructions of Rly engineer at site. Inspection: Consignee

Supply of B Type Choke as per RDSO Specn. No.IRS: S-65/83 (Amnd. 1) or latest. Inspection: RDSO.

Supply of Channel Pins MS (Galvanized) single groove, 7 mm suitable for 4mm dia bonding wire as per spec No IRS S 17 & RDSO Drg No. S-69/M.Inspection: Consignee.

Supply of GI wire 8 SWG (4mm dia) suitable for track circuit rail bonding. Inspection: Consignee.

Supply & installation of 'C' class surge protection arrangement at feed end DC Track Ckt Specn no. As follows: - voltage 230 V AC rated voltage 350V AC DIS. CAP 10KA TO 20 KA TIME 100 MILI second protection 1.2V degree protection IP.20 TEC-61643-1. Inspection : by consignee.

Releasing of existing TLJB and its accessories Per

Supply, Transportation, Installation, Testing and Commissioning of Multi Section Digital Axle Counter (MSDAC) for mentioned detection Point by the purchaser & Track Section as per 73 SIP uploaded with the tender, complete with all accessories, cable required with each track device & Card viz., Axle Detectors, Track Side Electronics/ DAC field units, Central Evaluator (Central Evaluator unit should be housed in a pre-fabricated Rack to be supplied along with the system), Reset unit, Relay unit, Event logger & Diagnostic terminals etc. required for different Detection Points & Track Sections as per RDSO Specification No. RDSO/SPN/176/2013, Ver.3 or latest as per Annexure-070801(A, B & C.) Inspection: RDSO

Supply of Portable operator console for onsite programming of Axle Counters as per technical requirement given in tender document. Inspection: Consignee Per

Installation testing and commissioning of detection points as above as per RDSO specification no. RDSO/ SPN/ 176/ 2013(ver-3) or latest. This include installation, wiring, testing and commissioning of complete MSDAC system which includes track circuit electronics and its all accessories (track electronics unit, central evaluator and its accessories/interface device, if any. All the tools and plants for installation has to be arranged by the contractor. Wiring from cable termination rack to the central evaluator, installation of earth electrode (if required will be supplied by Railway), installation and wiring the reset box and wiring the power supply to the central evaluator including the supply of 2 core shielded cable for required size copper conductor as per IRS- S-76/89 OR IS:694/1977(or latest) as applicable with other accessories. Note- i: - all execution/installation materials as required to be supplied by the contractor. Note- ii: - (i) installation, testing and commissioning of MSDAC to be done by OEM'S engineer. (ii) pre- commissioning checklist issued by RDSO for MSDAC will be prepared by OEM's engineer and to be signed jointly with rly site engineer incharge (iii) payment for this item will be released only after submission of duly signed pre-commissioning checklist of MSDAC in standard RDSO format. (iv) OEM'S engineer will also impart training to rly staff at site for proper functioning /working and applications of MSDAC. Inspection: Consignee

Supply of LED signal lamps for Main color light Signal, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) or latest. Inspection: RDSO Red Aspect

Supply of LED signal lamps for Main color light Signal, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) or latest. Inspection: RDSO Yellow Aspect

Supply of LED signal lamps for Main color light Signal, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) or latest. Inspection: RDSO Green Aspect

Supply of various LED signals (Subsidiary Signal),110V AC retrofittable in existing CLS housing andcompatible with AC LED ECR as per RDSO Specn.No.RDSO/SPN/153/2011 (Rev.4.1) or latest.(items to be procured through stores)Inspection: RDSO LED for Route Aspect

Supply of various LED signals (Subsidiary Signal),110V AC retrofittable in existing CLS housing andcompatible with AC LED ECR as per RDSO Specn.No.RDSO/SPN/153/2011 (Rev.4.1) or latest.(items to be procured through stores)Inspection: RDSO, LED for Shunt Signal Aspect

Supply of various LED signals (Subsidiary Signal),110V AC retrofittable in existing CLS housing andcompatible with AC LED ECR as per RDSO Specn.No.RDSO/SPN/153/2011 (Rev.4.1) or latest.(items to be procured through stores)Inspection: RDSO LED For Calling-On Signal Aspect

Supply of colour light signal post 5.6 mtr and ladder 5.5 mtr with bases for ladder & post as per RDSO SPEC. NO. IRS:S-6-81 (or latest) and DRG. NO. SA-23156 (ADV), ALT-1 (OR 82 LATEST). CLS base as per DRG. NO. S-2011/M (OR LATEST). Note: - this includes signal post, base, ladder, ladder base, platform, rail guard & blanking off. Materials to be procured only from RDSO approved list of firms for manufacture & supply of mechanical signalling items. Inspection: Consignee

Supply of colour light signal post 4.6 mtrs. and ladder 4.5 mtrs. with bases for ladder 83 and post as per RDSO SPEC. NO. IRS-S-6-81 and DRG. NO. SA-23153/ADV/AIT-1. All drawing should be as per latest. Note: - this includes signal post, base, ladder, ladder base, platform, rail guard & blanking off. Materials to be procured from approved list of firms for manufacturer & supply of mechanical signalling items. Inspection: Consignee

Supply of colour light signal post 3.6 mtr and ladder 3.5 mtr with bases for ladder & post as per RDSO SPEC. NO. IRS: S-6-81 (or latest) and DRG. NO. SA-23150 (ADV), ALT-1 (OR 84 LATEST). CLS base as per DRG. NO. S-2011/M (OR LATEST). Note: - this includes signal post, base, ladder, ladder base, platform, rail guard & blanking off. Materials to be procured only from RDSO approved list of firms for manufacture & supply of mechanical signalling items. Inspection: Consignee

"Installation, erection and wiring of CLS unit, post, ladder& base LED unit including paying out of tail cable from location box and earthing of CLS (LED type). Thisincludes supply of non - metallic (FRP) color light signal housing multi-unit type for Rly. Signalling suitable for REArea 2 85 Aspect complete without lenses, lamps and signal transformer as per DRG. NO. SA23001/A/M(ADV), ALT.8 and as per SPEC. NO. RDSO/SPN/194/2006 (VER1.0) OR LATEST. FRPmaterial as RDSO SPEC NO. RDSO/SPN/ 151/1997 OR LATEST. All drawings should be as per latest. Materialsto be procured from RDSO's approved firm only. Note: Signal unit should be compatible to 'LED' type. Note:installation, erection & wiring of signalling unit includes LED signal lighting unit including current regulator. This also includes protection of unit from rain water." "Supply. Inspection: (i)RDSO/RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board.Supply. Inspection: (i)RDSO/RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board."

"Installation, erection and wiring of CLS unit, post, ladder& base LED unit including paying out of tail cable from location box and earthing of CLS (LED type). Thisincludes supply of non - metallic (FRP) color light signal housing multi-unit type for Rly. Signalling suitable for REArea 2 86 Aspect complete without lenses, lamps and signal transformer as per DRG. NO. SA23001/A/M(ADV), ALT.8 and as per SPEC. NO. RDSO/SPN/194/2006 (VER1.0) OR LATEST. FRPmaterial as RDSO SPEC NO. RDSO/SPN/ 151/1997 OR LATEST. All drawings should be as per latest. Materialsto be procured from RDSO's approved firm only. Note: Signal unit should be compatible to 'LED' type. Note:installation, erection & wiring of signalling unit includes LED signal lighting unit including current regulator. This also includes protection of unit from rain water." Execution

"Installation, erection and wiring of CLS unit, post, ladder& base LED unit including paying out of tail cable from location box and earthing of CLS (LED type). ThisIncludes supply of non - metallic (FRP) color light signal housing multi-unit type for Rly. Signalling suitable for REArea 3 Aspect complete without lenses, lamps and signal transformer as per DRG. NO. SA23001/A/M(ADV), 87 ALT.8 and as per SPEC. NO.RDSO/SPN/194/2006 (VER1.0) OR LATEST. FRP material as per RDSO spec no. RDSO/SPN/151/1997 or LATEST. All drawings should be as per latest. Materials to be procured from RDSO's approved firm only. Note:Signal unit should be compatible to 'LED' type. Note:Installation, erection & wiring of signalling unit includes led signal lighting unit including current regulator. This also includes protection of unit from rain water." "Supply. Inspection: (i)RDSO/RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board."

"Installation, erection and wiring of CLS unit, post, ladder& base LED unit including paying out of tail cable from location box and earthing of CLS (LED type). ThisIncludes supply of non - metallic (FRP) color light signal housing multi-unit type for Rly. Signalling suitable for REArea 3 88 Aspect complete without lenses, lamps and signal transformer as per DRG. NO. SA23001/A/M(ADV), ALT.8 and as per SPEC. NO.RDSO/SPN/194/2006 (VER1.0) OR LATEST. FRP material as per RDSO spec no. RDSO/SPN/151/1997 or LATEST. All drawings should be as per latest. Materials to be procured from RDSO's approved firm only. Note:Signal unit should be compatible to 'LED' type. Note:Installation, erection & wiring of signalling unit includes led signal lighting unit including current regulator. This also includes protection of unit from rain water." Execution

"Installation, erection and wiring of junction type route indicator [LED type] this include supply of nonmetallic FRP junction type route indicator for Railway Signalling suitable for RE Area without lamp. Lenses, signal transformer as per RDSO SPEC. NO. RDSO/SPN/194/2006 (VER - 1.0) OR LATEST. FRP material as per RDSO SPEC. NO. RDSO/SPN/151/ 1997 OR LATEST. All drawings 89 should be as per latest. Material to be procured from RDSO's approved firm only. Note: Signal unit should be compatible to LED type. Note: installation, erection & wiring of signalling unit includes LED signal, lighting unit including current regulator. This also includes protection of unit from rain water." "Supply of 2 WAY AS PER RDSO DRG. NO. SA-23402 (ADV)/ ALT.2 Inspection: (i)RDSO/RITES if value of item in work more than 5 lakhs. (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board."

"Installation, erection and wiring of junction type route indicator [LED type] this include supply of nonmetallic FRP junction type route indicator for Railway Signalling suitable for RE Area without lamp. Lenses, signal transformer as per RDSO SPEC. NO. RDSO/SPN/194/2006 (VER - 90 1.0) OR LATEST. FRP material as per RDSO SPEC. NO. RDSO/SPN/151/ 1997 OR LATEST. All drawings should be as per latest. Material to be procured from RDSO's approved firm only. Note: Signal unit should be compatible to LED type. Note: installation, erection & wiring of signalling unit includes LED signal, lighting unit including current regulator. This also includes protection of unit from rain water." Execution of 2 WAY AS PER RDSO DRG. NO. SA-23402 (ADV)/ ALT.2

Installation, erection and paying out of tail cable from location box and wiring of 91 shunt signal, LED unit on the same post below the main signal as per technical specification. This includes supply of position light shunt signal unit without lenses, lamps, base, post and without signal transformer as per RDSO DRG NO. SA-23840/ADV/ALT-2. All drawings should be as per latest. Material to be procured from RDSO's approved firm only. Note- Signal unit should be compatible to 'LED' type. Supply. Inspection: Consignee

Installation, erection and paying out of tail cable from location box and wiring of shunt signal, LED unit on the same post below the main signal as per technical specification. This 92 includes supply of position light shunt signal unit without lenses, lamps, base, post and without signal transformer as per RDSO DRG NO. SA-23840/ADV/ALT-2. All drawings should be as per latest. Material to be procured from RDSO's approved firm only. Note- Signal unit should be compatible to 'LED' type. Execution

Installation, erection and paying out of tail cable from location box and wiring of shunt signal, LED unit as per technical specification. This includes supply of position light shunt signal unit (without lenses, lamps) with Base Post and without signal transformer as per RDSO DRG NO. SA-23840/ADV/ALT-2. All drawings should be as per latest. Material to be procured from RDSO's 93 approved firm only. Note- Signal unit should be compatible to 'LED' type. Installation, erection and paying out of tail cable from location box and wiring of shunt signal, LED unit as per technical specification. This includes supply of position light shunt signal unit (without lenses, lamps) with Base Post and without signal transformer as per RDSO DRG NO. SA-23840/ADV/ALT-2. All drawings should be as per latest. Material to be procured from RDSO's approved firm only. Note- Signal unit should be compatible to 'LED' type.

Installation, erection and paying out of tail cable from location box and wiring of 94 shunt signal, LED unit as per technical specification. This includes supply of position light shunt signal unit (without lenses, lamps) with Base Post and without signal transformer as per RDSO DRG NO. SA-23840/ADV/ALT-2. All drawings should be as per latest. Material to be procured from RDSO's approved firm only. Note- Signal unit should be compatible to 'LED' type. Execution

Supply of Calling ON/ Guard Repeater Signal Unit with Brackets & Fixing accessories. Calling ON/ Guard Repeater Signal Unit shall conform to RDSO Drg no 24351(Adv) Alt1 suitable to LED Signal Lighting Unit.Inspection: Consignee

Fixing of Calling-on Signal/A-Sign/AG-Sign unit on signal post including Guard 96 Repeater Signal. The item includes fixing of Co- On signal /'A' sign/ 'AG' sign unit on signal post with bracket, hood etc. Item includes supply of bracket & fixing materials etc. by the contactor. The item also includes termination of cables & wiring inside Co- On signal /'A' sign/ 'AG' sign unit as per standard practice. Inspection: Consignee.

Supply and fixing of protective screen of expanded metal 12 SWG of size 1200 x 1500 mm on signals as per std. practice in RE Area. Inspection: Consignee.

Supply and installation of P/ C / G/ A/ AG marker (size 250mm dia circle) high 98 intensity prismatic(TYPE-IV) retro reflective sheet over 2 mm thick aluminium sheet & letter will be screen printing (250 mm dia circle) as per drg. S&T/SDAH/SK-1383 and technical specification attached. This will include cost of all materials including fixing clamp required for this work. Inspection: Consignee

Supply, Fabrication and Fixing of Retro reflective Nomenclature Board of size 254 99 mm x 358 mm made of 2mm thick aluminium sheet & high intensity prismatic (hip) grade retro reflective sheet (TYPE -IV) including fixing arrangement for fixing them on existing post per DRG. NO. S&T/SDAH/SK-1386 and as per standard practice Inspection: Consignee

Supply of offset bracket for position light shunt signal (90mm outside Dia.) post with U clamps, nuts, washers complete as per RDSO DRG. NO.SA-23080/ADV/ALT-1 all drawings should be as per latest. Inspection: by consignee

Supply of cast iron offset bracket for Main Signal with U clamps, nuts, washers complete DRG. NO. SA-23080/ ADV/ ALT-1. RDSO SPEC. NO. IRS-S-10/78. Inspection: consignee. Note : Offset bracket has to be connected wherever necessary as per site engineer.

Casting, concreting & curing of foundation for Main signal including cost of all materials required for casting and concreting. All materials required for execution will be supplied by the contractor including cement, sand & stone chips as per DRG. NO. S&T/C-42(NKG).

Casting, concreting and curing of foundation for Shunt signal including cost of all 103 materials required for casting and concreting. All materials required for execution will be supplied by the contractor, including holding down galvanised bolts & nuts with washers, cement, sand, stone chips, etc. As per DRG. NO SK/5/95/NKG

Releasing of existing tail cables and drawl of new tail cables for colour light signals up to four aspects with or without route indicator, post type shunt signal and calling signals. 104 Termination of new tail cables and wiring using wire PVC 3/0.75 mm copper as per latest RDSO spec. This work includes drawl of new tail cables into the signal post duly releasing the existing tail cables from the relevant signals [Wire PVC 3/0.75 mm copper, paints and all other miscellaneous materials shall be supplied by the contractor. Wire to be procured from RDSO's approved source only]. Inspection- consignee.

Dismantling of existing main signal including dependent shunt signal, calling on signal if any, fitted on the same post along with signal post, signal unit, ci base without damaging any part.

Dismantling of existing Signal Foundation (upto formation level by hydraulic breaker).

"Supply and installation of LED type table mounting gate control-cum-indication panel of required size as per site engineer and as per signalling plan including supply of wooden 107 table (hard wood) of standard height for mounting of panel, cable entry in panel with 50 mm dia gallant. Note- gate panel should have button operation for gate close & open instead of switch. The switch for signal operation preferably should have 2NC/2RC contact. Make-Deltron or similar. Inspection-Consignee."

Supply of lifting barrier LC gate complete including pedestal, winch machine, stop 108 post and boom of 10.00 mtr. Long as per RDSO DRG.NO.SA-8843-46 & SA-8843A-46A(ADV), SA- 8839-42 & SA-8839A-42A(ADV) SA-8157A(ADV). Material to be procured from approved list of firms for manufacturer & supply of mechanical signalling item.Inspection: Consignee

"Supply of boom locking arrangement complete as per DRG. NO. SA-8158/M(ADV).1) pole lock base as per RDSO's DRG. NO.8159/M (ADV). Specification no. GR. FG-200. IS-210-78. IRS-S- 109 10.2). Pole lock cover as per RDSO'S DRG. NO. S-8160/M specification no.GR. FG- 200.IS-210-78. IRS- S-10. And one set consists of one lock and one cover including all accessories as required. Material to be procured from approved list of firms for manufacturer & supply of mechanical signalling item. Inspection: consignee"

"Supply of complete operating and transmission system of L.C. gate right from winch 110 machine to L.C. gate. This item includes supply of all the materials required like foundations, cranks, joints, wires, wire insulators, wheels, arc lever etc. by contractor. Inspection: consignee & materials to be procured from original manufacturer or dealer."

"Installation of lifting barrier complete along with casting, concreting, curing of foundation (mixture of cement, sand and stone chip of size - 20 with 1:3:6 ratio). ARC lever, winch 111 machine, pedestal, cranks, compensators, A-type foundation, diversion wheel, rod run etc. Including RDSO type boom locking as per standard practice of eastern railway for level crossing gate and as per instruction of site engineer. All materials for fixing, nuts & bolts and concrete foundation to be supplied by the contractor. This includes testing and commissioning."

"Supply of sliding boom gate as per eastern railway signal workshop/ Howrah's drawing no. BSA/29/730, BSA/29/731 & BSA/29/737 or Latest. This includes supply of 8 nos. E-type 112 lock with key as per IRS SPEC. NO. IRS-S-30/64 with latest amendment. Key lock 'e' type as per drawing no. SA-3376/M, 3377/M with latest amendment or Latest. Ward no. To be decided by the site engineer. 'E' type lock to be on MS plate as mentioned in the drawing. Inspection: by rites [for value of material above Rs. 5.0 lakhs.]. Inspection by consignee [for value of material below than Rs 5.0 lakh]."

"Casting, concreting & curing of foundation (1:3:6) for sliding boom gate as per drawing no. SGWSDAH/SLIDING GATE FOUNDATION/2012 or Latest including supply & fixing of holding down bolts with washers and nuts, MS plates of size 350x350x8 mm, cement, sand, stone chips etc. For foundations required in each set of gates."

"Installation & commissioning of sliding boom gate. This includes levelling, fixing of sliding boom with fixing of E-type lock, etc. Note: all materials to be supplied by the contractor except sliding boom gate and E-type lock."

"Installation, wiring and testing of electrical key transmitter for LC gate control as per yard diagram, approved circuit diagram. Installation portion shall include supply of necessary angles, 115 wooden shelf, nuts & bolts as required for the work. The ward no. Of key shall be advised by the site engineer. This includes supply of electrical key transmitter with key for LC gate control as per yard diagram, approved circuit diagram and specn.no. IRS-S-21/01(LATEST) AND IRS-S- 23(LATEST), DRG.NO.SA-22601 (ADV)ALT.2. [key combination will be intimated by site engineer]" Supply. Inspection: RDSO

"Installation, wiring and testing of electrical key transmitter for LC gate control as per yard diagram, approved circuit diagram. Installation portion shall include supply of necessary angles, 116 wooden shelf, nuts & bolts as required for the work. The ward no. Of key shall be advised by the site engineer. This includes supply of electrical key transmitter with key for LC gate control as per yard diagram, approved circuit diagram and specn.no. IRS-S-21/01(LATEST) AND IRS-S- 23(LATEST), DRG.NO.SA-22601 (ADV)ALT.2. [key combination will be intimated by site engineer]" Execution.

"Installation of magneto / control telephone, annunciator with all accessories and dry 117 cells (2 nos.). For each phone with wooden battery box. This includes supply of magneto telephones with all accessories including supply of 2 nos. Dry cell for each telephone with wooden battery box. (i) SPEC.FOR magneto telephone - IRS-TC-79/2000.AMD-1 OR LATEST" Execution.

"Installation of magneto / control telephone, annunciator with all accessories and dry 118 cells (2 nos.). For each phone with wooden battery box. This includes supply of magneto telephones with all accessories including supply of 2 nos. Dry cell for each telephone with wooden battery box. (i) SPEC.FOR magneto telephone - IRS-TC-79/2000.AMD-1 OR LATEST" Supply of magneto telephone, desk type, spec. No IRS-TC-79/2000 AMDT. 1 or latest. Inspection: by consignee

Supply of Gate (slave)telephone. Inspection: Consignee

"Execution of Gate (slave)telephone. This Includes testing and commissioning, all installation related material to be supplied by the contractor as per site requirement. "

Supply of CO2 type fire extinguisher capacity 4.5 Kg capacity ISI Mark IS: 15683 operating temperature (-30)° to (50)° for class 13 B type of fire with 1 mtr. Hose pipe fitted with PVC bend horn complete in all respect.Inspection: Consignee

Supply of full size apparatus case (Large) (as per DRAWING NO. RDSO/S-11500).This 122 includes supply of location box (GKP type) with 'E' type lock & key, fitted on location door on both side, E Type lock (ward No will be specified by Engineer-in Charge) as per RDSO Drg. No. SA 3376 and Key to Drg. No. 3377 as per RDSO drawing No. RDSO/S-11500. Inspection: RITES

Casting, concreting and curing of concrete foundation ((in ratio 1:3:6), erection and installation of full size apparatus case (GKP type)/Stainless Steel (SS) Apparatus Case as per DRG.NO. S&T/C-6/98(NKG) with 'E' type lock on CC foundation. This includes cost of all materials 123 required for fixing holding down bolts, casting, concreting. Note: - bolts, nuts and washers, bitumen compound to be supplied by contractor and bitumen compound to be used in between apparatus case and foundation as per site engineer. This also includes bottom of apparatus cases filled with sand and the outside covered with masonry work and neat cement plastering. Note: - Location boxes to painted with anti-corrosive paints as per IS:- 9862-1981, one and half feet from the bottom, on all surfaces-both inside and outside. Inspection: Consignee

Fixing by slotted angle, wiring of terminal strips, hylam strip, relays, fuses with base, fixing of hard wood shelves for full size apparatus case with termination & Earthing of cables and wiring with lettering as required including supply of slotted angles, wires, ferrules for marking and miscellaneous materials per location to be supplied by contractor. (all materials except relay, terminal strips, Bakelite strip, fuses with base and hard wood shelves to be supplied by the contractor). Wires to be used for this purpose should be procured from RDSO'S approved firm and to be inspected by RDSO. [Quantity of wires to be specified by contractor]. NB- power cable to be terminated with proper lugs and required buss bar and other terminals to be supplied by the contractor. Inspection: Consignee

Supply of half size apparatus case (GKP type) (As per GKP TYPE DRAWING 125 NO.SE/FE/2004/21 & other applicable GKP SW Drawing). This includes supply of location box (GKP type) with 'E' type lock & key, fitted on location door on both side, E Type lock (ward No will be specified by Engineer-in Charge) as per RDSO Drg. No. SA 3376 and Key to Drg. No. 3377 as per RDSO drawing No. RDSO/S-11500. Inspection: Consignee

Casting, concreting and curing of concrete foundation (in ratio 1:3:6), erection and installation of half size apparatus case (GKP type) Apparatus Case as per DRG.NO. RE/S&T/SIG/TENDER/SK/8/85 with 'E' type lock on CC foundation. This includes cost of all materials 126 required for fixing holding down bolts, casting, concreting. Note: - bolts, nuts and washers, bitumen compound to be supplied by contractor and bitumen compound to be used in between apparatus case and foundation as per site engineer. This also includes bottom of apparatus cases filled with sand and the outside covered with masonry work and neat cement plastering. Note: - Location boxes to painted with anti-corrosive paints as per IS:- 9862-1981, one and half feet from the bottom, on all surfaces-both inside and outside.Inspection: Consignee.

Fixing, wiring of terminal strips, hylam strip, relays, fuses with base and supply and fixing of shelves for half apparatus case with termination earthing of cables and wiring with lettering as required including supply of slotted angles, wires, ferrules for marking and miscellaneous 127 materials per location to be supplied by contractor. (all materials except relay, terminal strips, Bakelite strip, fuses with base and hard wood shelves to be supplied by the contractor). Wires to be used for this purpose should be procured from RDSO's approved firm and to be inspected by RDSO. [quantity of wires to be specified by contractor]. NB- power cable to be terminated with proper lugs and required buss bar and other terminals to be supplied by the contractor. Inspection: Consignee

Supply of hard wood shelves thickness 25 mm for keeping equipment's and batteries 128 in the location box (FULL or HALF GKP /other type) with suitable varnish and anti-termite chemicals fitted on angles with nuts & bolts. Inspection: -Consignee (note-balance quantity may be taken from rly store if available). 950 x 400 x 25 MM for full size location box .

Supply of hard wood shelves thickness 25 mm for keeping equipment's and batteries 129 in the location box (FULL or HALF GKP /other type) with suitable varnish and anti-termite chemicals fitted on angles with nuts & bolts. Inspection: -Consignee (note-balance quantity may be taken from rly store if available). 450 x 400 x 25 MM for half size location box .

Supply of paper base hylam sheet 12 mm thick. Inspection: consignee.

Alteration/modification in the existing location boxes (full size), fixing of equipment's, cable insertion, termination, wiring, testing & commissioning, two coat painting, lettering to suit the circuits as per approved wiring diagrams. This includes filling with sand and plastering the same.

Alteration/modification in the existing location boxes (Half size), fixing of 132 equipment's, cable insertion, termination, wiring, testing & commissioning, two coat painting, lettering to suit the circuits as per approved wiring diagrams. This includes filling with sand and plastering the same.

Dismantling of location box / RCC Goomty including all its accessories & concrete foundation.

Shifting/lifting of location box to facilitate earthwork of Engg/Con.This includes filling with sand and plastering inside location box.

Supply of Medium class perforated GI pipes 100 mm dia (4.5 mm thickness) as per IS 1239 (Part 1): 2004 or Latest with socket & coupling on culverts bridges or at any other locations as decided by Site Engineer. It includes supply of all material required for fixing arrangement. Contractor will also supply flexible/corrugated HDPE pipe at the end of GI pipe to protect the cables from sharp edges and sudden bends. Inspection: RITES

Laying & Fixing of Medium class perforated/unperforated GI pipes 50/100 mm dia (4.5 136 mm thickness) as per IS 1239 (Part 1): 2004 with socket & coupling on culverts bridges or at any other locations as decided by Site Engineer. It includes installation of all material required for fixing arrangement. Contractor will install flexible/corrugated HDPE pipe at the end of GI pipe along with any masonry work(if required) to protect the cables from sharp edges and sudden bends.

Supply of 40 mm dia permanently lubricated HDPE telecom: ducts (with chord) as per RDSO SPEC.NO. RDSO/SPN/TC/45/2013 REVISION 2.0 with latest amendments or Latest in length 137 of 1000 mtrs/roll For each km. Of HDPE duct following items are to be supplied (a) end plugs-2 nos. (b) cable sealing plugs - 2 nos. (c) plastic couplers slip fit/push fit type-2 nos. (d) end plugs to be provided along with drum 2 nos. Inspection: RITES. Material to be supplied only after confirmation from Dy. CSTE/Con/HWH. Colour of the pipe will be as per "Technical Circular-124-A" (Modified) dated 19.01.2026 issued by CCE/ERly

"Laying of HDPE pipe duct, 40/33mm or 50/42 mm intrenches and protective works including pulling of monomode armored ofc cable (24/48 fibers) through duct in trenches and as 138 advised by site engineer. Note: - (1) the contractor will take over the ofc cable from railway store to site of work duly checked the continuity of each fiber from end to end. (2) before & after laying of optical fiber cable through duct, continuity test from end to end of each fiber to be made by the contractor to ensure availability of all 24/ 48 fiber duly certified by the site engineer. NOTE: - Laying to be done as per Technical Circular No 124-""A"" (Modified)Dated:- 19.01.2026 issued by CCE/E.Rly"

Supply of Double Wall Corrugated (DWC)-HDPE pipe/duct of size 200 mm outer dia, & 175 mm inner dia. It includes supply of Double Wall Corrugated -HDPE pipe/duct as per RDSO Specn.No. RDSO/SPN/ 204/2011 (version 1.1) or latest and conforming to ISI Spec. No.IS:14930, Part- 139 II. (The manufacturers, suppliers must produce valid IS license and should be certified under ISO 9000 and shall submit copy of certificate). One of the following coupling arrangements should also be supplied with each pipe as per the site requirement.1) Suitable snap fit coupler with rubber O- Ring 2) Spacers3) Tees4) Bend,5) End-capDWC pipe shall be marked at every 1 mtr length in such a way that manufacturer's name, vendor name and year of manufacture can be easily identified .Inspection-RITES

Placing of DWC HDPE/RCC/GI pipes along with collars in trenches at places near track and road, crossings, platform cuttings etc.

Supply of Thermo shrink Universal Jointing kit for Quad Cable (for straight joints) as per RDSO spec IRS/TC-77/2012 revision 3 With latest Amdt. Inspection: Consignee

Jointing of 4 / 6 quad /Signaling cable with Heat Shrinkable straight through Jointing 142 Kit. All the material required for the work are to be arranged by contractor himself at his own cost except Thermo shrinkable Joint Kit/Rapid Joint kit. After jointing the cable through test such as insulation test, continuity cable losses etc. to be carried out jointly with Railway Engineer. If any defect or any damage is observed during jointing, the contactor has to redo the joint free of cost.

"Transportation of HDT machine with accessories including handling of stores materials, preparation of sites and boring for placing of 110 mm dia HDPE PIPE for crossing of S&T cables together a bridges/culverts, pucca road/crossing boring trench shall be minimum 3 (three) meter below the river bed and 1(one) meter below the track/road/pucca road crossing area. This 143 includes supply of accessories for HDPE pipes, including, cost of fuel and all other items etc. which will be required for laying of cable through it. The work shall be executed as per instruction of site engineer. HDPE PIPE TO BE SUPPLIED AS PER RDSO SPEC. Contactor shall provide all material required for boring and adequate nos. of labors for proper laying of cables into the bore. Cable shall be laid cautiously so that it should not get damage due to rough handling & pressure on cable." Boring up to the length of 150 meters. Preparation of site for Horizontal Boring shall be carried out in presence of Railway Representative.

Boring above the length of 150 meters. Preparation of site for Horizontal Boring shall be carried out in presence of Railway Representative.

Laying of 6 quad/Signalling cable/Power Cable with nylon rope through 110 mm HDPE pipe and back filling of boring pit.

TRANSPORTATION OF HDT MACHINE WITH ACCESSORIES INCLUDING HANDLING OF STORES MATERIALS, PREPARATION OF SITE AND BORING (BORING SIZE UPTO 175MM) FOR LAYING OF (I) TWO (02) NOS. OF 40MM HDPE PIPES & TWO (02) 50MM HDPE PIPE OR AS PER SITE ENGINEER FOR PLACING AND FOR CROSSING OF SIGNALLING /TELECOM. CABLE THROUGH HDPE PIPE AT MINIMUM 03 (THREE) METER BELOW THE RIVER BED AND 01(ONE) METER BELOW THE TRACK/ROAD/PUCCA ROAD CROSSING AREA. THIS INCLUDES SUPPLY OF PERMANENTLY LUBRICATED HDPE TELECOM. DUCTS (I) 40MM/33MM & 50MM/ 42MM (WITH CHORD) AS PER RDSO SPEC. NO. 146 RDSO/SPN/TC/45/2013 REV. 2.0 WITH LATEST AMENDMENTS OR AS PER SPECIFICATION NO. TEC GR. NO. G/CDS-08/02, NOV.2004 OR LATEST INCLUDING PULLING OF VARIOUS CABLES THROUGH IT. FOR EACH KM. OF HDPE DUCT THE FOLLOWING ITEMS ARE TO BE SUPPLIED (A) END PLUGS - 02 NOS. (B) CABLE SEALING PLUGS - 02 NOS. (C) PLASTIC COUPLERS SLIP FIT / PUSH FIT TYPE - 02 NOS. (D) END PLUGS TO BE PROVIDED ALONGWITH DRUM - 02 NOS. INSPECTION OF SUPPLY ITEMS - CONSIGNEE. NOTE:- (i)COST OF FUEL AND ALL OTHER ITEMS WHICH WILL BE REQUIRED FOR LAYING OF CABLE THROUGH HDPE PIPE. THE WORK SHALL BE EXECUTED AS PER SITE ENGINEER.INSPECTION OF HDPE PIPE: CONSIGNEE AS MATERIAL WILL BE REQUIRED AS AND WHEN WORK EXECUTED AND IN EXACT QUANTITY AND MOREOVER COST OF THE PIPE CAN NOT BE ACCESSED SEPERATELY. (ii) In case of pipe required as per site requirement is not a multiple of 4 then payment will be done on pro-rata basis.

Mechanised drilling/microtunnelling under important/busy metal / concrete 147 road/railway track with supply & laying of 100 mm GI pipe and pulling of cable through GI pipe . This includes re instatement of the surface to the original state. As per Site requirement. G.I. Pipe as per latest IS Spec. Inspection: Consignee as GI Pipe will be required as per site requirement and the item being a composite one, seperate cost of pipe can not be ascertained.

Repair of pucca roads to original state in level crossing area after cable laying.

Supply, Transportation at site and Installation of RCC cable route marker engraved 149 and painted on both side along the route at every 50 meter and at route diversion. The cable marker is to be fabricated as per RDSO drawing No. RDSO/Cable Laying/020, issued vide RDSO document No. RDSO/SI/G/2010 Version 1.1 dated 04.02.2014 or latest. The fixing work is to be done as per extant practice of E. Rly. and as per Railway site supervisor.

Removal of Rail (13 mtrs.) in the way of cable route. In case of panel (39 Mtrs. Each) will be consider as three rails for payment purpose.

Removal of PRC Sleeper in the way of cable route.

Extra for mechanical compaction of earth/blanketing material filled in embankment 152 with contractor's rollers of suitable capacity, type and size to achieve specified density as per specification, testing as per IS codes incl. cost of water, T&P consumable material and all labour as a complete job. The work is to be executed as per Latest edition of "Guidelines for Earthwork in Railway Projects" issued by RDSO, Lucknow.

Excavation of cable trench as per cable route plan, 1.2 Mtr. deep and of 0.3 Mtr. to 0.6 Mtr. wide at bottom without brick as per DRG. NO. S&T/C-40(NKG), SK/4/95/NKG, SK/8/95/NKG. or latest alongside the track in all kinds of soil, conforming to distances as per cable route plan and refilling. This work includes clearing of route from bushes etc. The work shall be done as per the extant practice on Eastern Railway and instructions of Railway Engineer at site. Note:-(a) for all 153 trenches from distant signal to home signal and to relay room, the minimum headway above the uppermost cable in the trench should be 600mm. If due to a large no. Of cables headway is not available, 4" of 1:2:4 concreting should be done.Note:-(b-1) payment will be made as per actual work done on pro-rata basis, if required depth is not available at site.Note:-(b-1) payment will be made as per actual work done on pro-rata basis, if required depth is not available at site.(b-2) if the depth of trench is not uniform in a span of 100 mtr. Or shorter lengths if site condition demands along the cable run, minimum depth will be taken for that particular stretch for payment.

Digging of trench 1.2 Mtrs. deep from rail flange/ road level and 0.3 Mtrs to 0.6 Mtrswide and back filling after placing of DWC/ RCC/GI pipe. (Placing of DWC/RCC/GI pipe covered separately). The ballast disturbed be screened and dressed as required by Engineer-in-charge or his representatives and road tarred immediately. For track crossing, RDSO sketch No. SDO/CABLE LAYING/009 or latest and for Road Crossing, RDSO sketch No. SDO/CABLE LAYING/010 or latest are to be followed.

"Digging of cable trench 0.3 Mtrs. Deep and 0.3 Mtrs. Wide on Platform / Road / Hard rocky area. Refilling with earth leveling of trenches & restoring the original surface of trenches. The sharp edges will be smoothened out in bottom of the chase and will be leveled properly. In hard rocky ground area , cables will be laid normally on layer of shifted earth of 0.05 mtrs thickness previously deposited at bottom of the trench and cables will be covered with layer of sand or shifted 155 earth of 0.1 mtr thickness. In case sharp edges of rocky ground cannot be protected from shifted earth then GI/ CI /PVC /DWC/ HDPE pipes will be used, if numbers of cables is small. In case number of cables are large RCC duct will be used. In isolated cases, it can be given smooth surface by using either masonry bricks or cement concrete. A row of bricks shall then be placed length wise on the top and jointed with cement mortar and layer of concrete with cement plaster shall be provided on top of the same.Note: This item in hard rocky area will be operated only where normal depth i.e.1.2 mtr is not possible and it will be decided by site engineer/unit officer incharge of work. "

Excavation of OFC pit for cable jointing of size 1.5m x 1.5m x 1.2 m for all type of 156 soils. The section. Back filling the pit and ramming after jointing. Provision of brick walling the four walls and bottom of pit with RCC slab, back filling with earth and ramming as per drawing. N.B. all the materials including cement required for the above will be supplied by the tenderer. Running

Laying of S&T Cables of various cores/ pairs/ quads in trenches/ GI pipes/ RCC pipes/ DWC pipes/ Trunking. This also includes laying of cables in track crossings & road crossings. Item 157 includes provision of labels of coloured plastic adhesive tapes or any other identifiable material on each cable to give the cable number at each Gantry Post/hectometre post.(Cables will be meggered before and after its laying by contractor under supervision of Railway Representative and he will submit the meggering report of each testing). Length of the cable laid includes the length of the cable coiled for termination purposes.

Cement concrete work for miscellaneous items in the ratio 1: 3: 6. Item includes excavation, ramming, curing and plastering with cement & sand mixture (aggregate not exceeding 158 3.8 cm.) (Aggregate cement & sand to be supplied by the contractor). Wherever depth of 0.5 m cable trench is not feasible, cable shall be protected as :- Preparation of cement mixture 1:3:6 with contractor's own materials and spreading cement concrete mixture layer of 100 mm thick over the already laid cables in the excavated trench.

"Supply, installation & laying of polyolefin cable channel of size width 240/340 mm, height 155/230 mm, internal/external, length 1m produced of polyolefin with fire protection class k- 1 in accordance with din-53438 part ii for laying signalling/telecom cables, channel attachable to each other with male female swallow tail connectors and having suitable detachable cover, as per the following technical spec. : Width (Internal/External)- 240mm/340mm, Height (Internal/External)- 159 155mm/230mm, Length per PC/per Mt.- 1000mm (approx.), Material- Polyolefin/Polymers/Engineering Plastics, Fire Behaviors- Fire protection class K1 in accordance with DIN-53438 part-2, Breaking Load (Minimum)- >=12KN, at room temperature, over the specified surface area of 250mm x 150mm, Thermal Characteristics- Thermal stability from -10 degree to +70 degree (as per IS 9000-part-2 & part-3 :1977), Electrical Characteristics- Dielectric strength ; 48kv (Min. breakdown voltage) as per IEC-60243-1-2013, Tolerance-( +/-) 10mm, Complying to- RDSO Reference No. STS/Cable-Laying Practice Vol-IV."

Supply of optic fibre splice closure (48 fibre) as per tec. Specification no. G/OJC- 02/01, March'99 with latest amendment or latest including all miscellaneous items and consumables for fibre splicing. Inspection:- by consignee.

Jointing, terminating & splicing of 48 fibre optic fibre cable and fixing of termination 161 box/FDF/placing of joint closures in the pit required at various locations including transportation of all the jointing & terminating materials from railway store to the work site and returning leftover materials to the railway store.

Supply Wiring, installation, testing and commissioning of Earth Leakage Detector (12 nos. channel) as per RDSO specification no. RDSO/SPN/256/2002 or latest having 6-digit counter, 12 Channel bus bar voltage of 110V AC/DC and/or 60V/24V/12V DC measurement in 19" sub rack along with insulation resistance meter, remote indication & buzzer in ASM room at station. The tenderer should submit three years' warranty certificate along with supply of material. This includes supply of fuse terminal strip for incoming power supply wires. On job training at site will be given by OEM engineer for installation and maintenance of ELD. Inspection by RDSO.

"Supply of basic material to construct unit maintenance free earth as per RDSO Specs. No RDSO/SPN/197 Ver.1.0 or latest and conforming to RDSO Drg. No. SDO / RDSO/ E&B/001 or Latest. Necessary testing certificate of UL, IEC to be produced. It consist of following: (a) Copper bonded steel electrode of 3.0 m long, 17.2 mm dia with copper bonding thickness of minimum macrons and UL listed and marked = 1 no. (b) Earth enhancement material supplied in sealed bags 163 of minimum 10 kg = 3 nos. (c) Copper strip of 150x25x6 mm, to terminate earth rod = 1 no. (d) Copper strip of 300x25x6 mm (MEEB) = 1 no. (e) Copper strip of 150x25x6mm (SEEB) = 1 no. (ii) Supply of 35 sq. mm multi strand single core PVC insulated copper cable as per IS: 694 for connecting main earth electrode to MEEB in the equipment room in duplicate.(minimum 10 meter) (iii) Supply of 16 sq. mm multi strand single core PVC insulated copper cable as per IS: 694 for connecting MEEB to SEEB and SPD to MEEB (minimum 10 meter ) (iv) Supply of 10 sq. mm multi strand single core PVC insulated copper cable as per IS: 694 for connecting various equipments to SEEB (v) Supply of copper lug sleeve for 3/16 cable Inspection: RDSO"

"Installation of Unit Maintenance Free Earth as supplied in above item. It includes ( i ) Digging the earth to the required depth. (ii) Insertion of electrode. (iii) Filling of earth enhancing compound (Approx.30 Kg) (iv) Provision of exothermic weld connections to copper tape of 25 mm x 6 mm x 150 mm to the earth electrodes. All material tools and features required for weld will be arranged by contractor. (v) This also includes CC cover 1.5 ft x 1.5 ft. 1 ft wall thickness 2 inch with cover 3 inch thickness. Cables 35 Sq mm/ 16 Sq mm/10 sq mm for connecting earth to busbar, busbar to busbar and bus bars to various equipments. Earth electrode of 17.20 mm dia and 3.00 meter long high tensile low carbon steel circular rods molecularly bonded with copper and outer 164 surface (minimum copper bonding thickness of 250 microns to made requirement of under writer's laboratories (UL) 467-2007 or latest. Copper strips of 150 mm x 25 mm x 6 mm to be welded with each earth electrode, copper strips of 300 mm x 25 mm x 6 mm for main equip- potential bus bar, copper strips of 150 mm x 25 mm x 6 mm sub equip-potential bus bar in relay room, power room and panel room. GI strip 25 mm x 2 mm for ring formation of earth pits Earth enhancement material in bags for each Earth Electrode. Inspection chamber of site 300 mm x 300 mm x 300 mm (Inside dimension) of approximate 50 mm thick with pulling hooks to cover the earth pits. Note: The installation of this item shall be carried out by the contractor as per RDSO Specs. No RDSO/SPN/197 Ver.1.0 or latest and conforming to RDSO Drg. No. SDO / RDSO/ E&B/001 or Latest.Inspection: Consignee"

Supply of earth electrode mild steel galvanized, light class, IS:1239(PART-I)- 165 1979.earth electrode pipe should be with 3 mm thick, 50 mm dia and perforated(staggered),5 mm dia holes, 2 nos per 305 mm length with clamp of MS FLAT(galvanised) of size 35 mm x 6 mm (SPEC.NO.226 STD). Earth pipe should include CI threaded cap. Materials to be procured and designed as per CSTE/ER'S DRG.NO.SI/TYP/0097 or latest.. Inspection: - Consignee

Supply of MS FLAT (SPEC. NO. 226 STD or latest) of size 35 mm x 6 mm with length 5 mtr with holes of 12 mm dia at both ends as per CSTE/ER'S DRG. NO. S&T-1/2007 (or latest). Inspection : by consignee.

Fixing of earth electrode including laying and installation of MS flat of size 35 mm x 6 mm with length 5 mtr or as per extant practice of Eastern Railway. As per CSTE/ER'S DRG. NO. SI/TYP/0097 for apparatus cases, signal post & other equipment as per instruction of site engineer. Provision for fixing MS flat at apparatus cases/ signal post/other equipment should be made by the 167 firm at site. Full threaded bolts of 10 mm dia and length 40 mm should be welded in the apparatus cases in such way that the MS flat at apparatus case end can be fixed from outside or from inside. Welding arrangement with accessories and welding materials should be arranged by the contractor for fixing of bolts at equipment end where required as per instruction of site engineer. All hardware and other miscellaneous materials required for installation to be supplied by the contractor except earth electrodes and MS flat. Note:-all materials required to be arranged by the contractor except 2 core cable will be supplied by the railway.

Provision of cement concrete enclosure for earth electrodes as per DRG. NO. S&T/C- 36(NKG). This includes supply of all materials by the contractor duly inspected by consignee.

Earthing of EI equipment, relay rack and power equipment etc. to be done along with the supply of all requisite materials, Earthing shall be in the form of Ring Earth conforming to RDSO 169 spec RDSO/SPN/197 Ver.1.0 or Latest (with a minimum 10 maintenance free earth electrodes) and as per CSTE/ER/Kolkata's technical circular No.92, using copper rings with earth resistance less than 1 ohm. The earthing shall be maintenance free. The ring earth shall be connected to copper flat of size 25x3 mm in the relay room and IPS room. The copper flat fixed on the wall to the entire breadth of Relay room and IPS room as an earth bus bar and all earth connections shall be taken from it. A, B ,C & D class protection shall be provided for all EI equipment.Inspection: Consignee

Supply of electronic Cable route tracer/locator with underground cable and pipe 170 locating receiver and cable avoidance tool that provide location of armoured OFC , signalling and telecom , power cable etc. make : C Scope Stanley/3M Dynatel , model: DXL-4 DBG /2273M-iD 30 or Similar/ superior. Item to be supplied after successful demonstration and Approval of Railway. Inspection: Consignee

Supply of Road Measuring Cycle, made of Aluminum with 05 digit counter, foldable with bag. Item to be supplied after successful demonstration and Approval of Railway.Inspection: Consignee

Supply of Cable Fault Locater to localize the faults of underground cables. Aplab 172 make (Model No.3049) OR C Scope Stanley make (Model TS-90) or Similar/ superior from any reputed make. It also includes supply of all accessories required to localize faults of underground cables. Item to be supplied after successful demonstration and Approval of Railway.Inspection: Consignee

Supply of Digital Earth Resistance Tester for measurement of earth resistance with 173 3.5 digital LCD, 12.5 mm screen segment and Range -0.5 Ohms to 500 Ohms. WACO or Similar make. Item to be supplied after successful demonstration and Approval of Railway. Inspection: Consignee

Supply of UTP CAT-6 cable make Siemen/ Systemax /Panduit/ Tyco/ Krone/ AMP or similar. Inspection: Consignee

"Supply of patch chord cable (10-meter-long) with FC/PC connectors compatible with SDH equipment as per TEC Specn.No.GR/OFJ-02/01 May 2004 with latest Amendment. Inspection: Consignee."

"Supply, installation and complete indoor wiring of 19 inch (42U) covered Rack of size 2035 mm x 600 mm x 600 mm (Approx.). The rack shall be complete with all fittings for housing 176 SDH equipment, Primary MUXES, DDF, MDF using crone modules and other equipment like runway ladders etc. completely wired and equipped with integrated protection modules for all channels as per technical specifications and other stipulations of tender document. It should be possible to lock all the equipment with only order wire telephone remaining outside the rack. Inspection: Consignee."

"Supply of SMPS based Battery Chargers as per RDSO Spec for Telecom use 48 volts, 25 Amps in 2+1 configuration modules of 25 Amps with ultimate expandable capacity 50 Amps, 177 automatic switching between the modules as per RDSO Spec No. RDSO/SPN/TC/23/1999 version 4 or latest along with two potential free contacts. Inspection: (i) RDSO if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board."

"Installation of Battery chargers, Power distribution Board along with MCBs of suitable 178 ratings and wiring and commissioning of External alarm contacts through EMS. The work includes supply of battery rack, MCBs, battery cable and battery lugs and other accessories required for installation of power plant. Inspection: Consignee"

Supply of 48Volt/200AH maintenance free VRLA Batteries duly charged as per IRS Spec. No. S-93/96(A) with amendments-1 or latest. Inspection: RDSO

"Installation, wiring, testing & commissioning of 48Volt/200AH maintenance free VRLA Batteries duly charged as per IRS Spec. No. S-93/96(A) with amendments-1 or latest. Inspection: Consignee"

"Supply of Universal 2/4 wire way side DTMF controln telephone as per RDSO spec. 181 no. IRS: TC:82: 2005 (with Amdt. 3) or latest. Inspection: Consignee."

"Supply of power supply unit for telecom installation at way side station suitable to operate max 6 equipment of DTMF type (12V/7AH) battery with suitable battery charger) as per RDSO spec. No. IRS: TC-72-97 or latest. Inspection: consignee."

"Supply of 4W way station DTMF equipment as per RDSO spec. no IRS-TC 60/93 93 or latest (with 4 wire telephone as per spec. No IRS-TC 38/ 97 or latest. Make- Bentron, Epsilon or similar and supply of 12V/7AH power supply unit for control phone. Inspection by Consignee"

"Installation of 4W way station DTMF equipment as per RDSO spec. no IRS-TC 60/93 or latest (with 4 wire telephone as per spec. No IRS-TC 38/97 or latest. Make- Bentron, Epsilon or similar and supply of 12V/7AH power supply unit for control phone."

"Testing of all fibres of the optic fibre cable, quad, PIJF cable, ADMS, mux and other 185 accessories installed above and final commissioning of optic fibre communication link conforming to railway's specification including end to end testing for realisation of optic fibre system. Inspection: Consignee."

"Supply of OFC Termination box as per TEC Spec No. TEC/GR/TX/FTB-02/02/APR-2010 186 with latest amendment including all miscellaneous & consumable for fibre splicing. It should have the capacity to terminate 02 No. 24 OFC cable through separate entry holes & to take out & terminate 6 or 24 pigtails through separate exit holes. Make: JT Optics/Raychem/Aras Telecom/equivalent. Inspection-Consignee"

"Shifting and installation of control and other telecom equipment like control phone, 187 magneto phone, auto phone, VHF sets, VF Repeaters etc. from old station building to new station building as per instructions of site engineer. All the material required for fixing and installation will be supplied by the contractor. Inspection: Consignee."

"Supply of 10 pair switchboard indoor copper cable 0.6 dia as per specification IRS:TC:24:91. or TEC/GR/WIR-06/03. MAR 2002 with latest amendment. Inspection: Consignee"

"Supply of 2 MB Programmable Primary Digital drop interface circuit to the Krone type. Inspection:(i) RDSO if value of item in work more than 5 lakhs or as per extant policy (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs or as per extant policy. insert multiplexer as per RDSO Specs. IRS TC- 68/2004 (Amnd.1) or latest with conference facility and other stipulation to tender documents and fully wired for 30 channels complete with power supply card, remote control, supervision facility and all other accessories, installation material, manuals etc. It should have facilities to accommodate data interface card in multi drop mode and should be able to support cards needed for video conferencing and ISDN. It shall support NMS installed at Test Room and may operate local/remote 189 location of entire section. It also includes submission of all technical documents, manuals and supply of all miscellaneous items which will be required for final testing and commissioning of system. The above MUX should be equipped with following circuits: -i) 2 wire/ 4 wire E&M VF circuits ( minimum 16 nos ckts) ii) Subscriber loop circuits ( minimum 4 nos ckts) iii) Exchange loop interface circuits (minimum 8 circuits ) iv) This also includes connecting all pigtails, optical patch cords etc. to the SDH equipment. This also includes connection of SDH and primary MUX equipment with all interface cards to the 48V Bus including supply of wires and connectors termination of all evens on DDF taking PVC cable over runway or a wall and termination of VF interface circuit to the Krone type. Inspection :(i) RDSO if value of the item in work more than 5 lakhs or as per extant policy (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs or as per extant policy."

Installation, wiring, testing and commissioning of 2 MB Programmable Primary Digital drop insert multiplexer as per RDSO Specs. IRS TC- 68/2004 (Amnd.1) or latest with conference 190 facility and other stipulation to tender documents and fully wired for 30 channels complete with power supply card, remote control, supervision facility and all other accessories, installation material, manuals etc. It should have facilities to accommodate data interface card in multi drop mode and should be able to support cards needed for video conferencing and ISDN. It shall support NMS installed at Test Room and may operate local/remote location of entire section. It also includes submission of all technical documents, manuals and supply of all miscellaneous items which will be required for final testing and commissioning of system. The above MUX should be equipped with following circuits: - i) 2 wire/ 4 wire E&M VF circuits ( minimum 16 nos ckts) ii) Subscriber loop circuits ( minimum 4 nos ckts) iii) Exchange loop interface circuits (minimum 8 circuits ) iv) This also includes connecting all pigtails, optical patch cords etc to the SDH equipment. This also includes connection of SDH and primary MUX equipment with all interface cards to the 48V Bus including supply of wires and connectors termination of all evens on DDF taking PVC cable over runway or a wall and termination of VF interface circuit to the Krone type. All materials such as wires for Earthing & power supply, wire carrying aluminium ladder, MCB, Connectors, foundation bolts, nuts, base frame, mounting accessories for fitting of transformers, U-Link Panels, inter connecting cables etc. required for the above shall be supplied by the contractor.

"Supply of Subscribe loop interface cards, minimum 4 circuits per card."

"Supply of 2W/4W E&M interface cards, minimum 4 circuits per card"

"Supply of Exchange loop interface card, 6 circuits per card"

"Supply of standard 19""rack mountable , -48V DC working, Add-Drop STM-4 SDH equipment conforming to GR No. TEC/GR/TX/SDH - 010/03.Jan 2011 (with latest amendment) complete with redundant power supply, 2 no. STM 4 of aggregate L.4.2 Optical interfacemodules/Cards one each for East and west side, TX/RX and 2 nos. of STM-1 S 1.1 optical interface modules complete with 5 mtrs long optical fibre cords, 21 E1s with DDFs and cable 194 assembly for termination to DDF and minimum 8 nos. of 10/100 Base-T Ethernet ports, Fast Ethernet on SDH [EoS] 10/100 Base-I interface module/card supporting with LCAS and GEP, order wire sub Rack DDF installation material, manuals and other accessories. Complete Engineering order wire (EOW) arrangement. Necessary/Firmware for local/remote monitoring/configuration of the equipment through EMS and Software/Firmware interface to work all Network elements as Gateway Network Element [GNE], 2 nos of MCBs of appropriate rating and necessary connecting cords and cables for power supply modules"

Installation and commissioning of STM-4 in the existing rack with ready infrastructure or in new rack as desired by the site Engineer.

"Laying of Power Cable/STP/UTP CAT-6/LS cablethrough flexible PVC Conduit Pipe/ GI Pipe/HDPE Pipe (where necessary) as per direction of the Rly.Representative, including any fixing of 196 cables/PVC pipe/PVC Casing on wall/shed with suitable clamps (the clamps and screws should be made of Stainless steel). All the fixing materials including Collar, bend, junction etc. shall be supplied by the contractor. This also includes transportation of cable, PVC Pipe, GI Pipe, HDPE Pipe etc. to the site"

"Laying of UTP/STP CAT-6 cable/power cable in PVC casing capping of appropriate 197 size. The work also includes supply and fixing of casing and capping, fixing and connection of patch panel, fixing of CAT-6 cable with RJ 45 connectors. Work to be done as per instructions of site in- charge."

Supply, installation, testing a commissioning of 2 core screened/shielded multistrand PVC insulated wire (24/0.2 mm dia) for speaker load line.

Supply of screened 5 pair (10 core) color coded and twisted Data Communication Cable, each core made of Copper Conductor of 0.20 mm diameter(7/0.20mm) ABC (Annealed Bare Copper) & Polyethylene Insulated. Tolerance in dimensions should be within ± 10%.

Casting, concreting and curing of foundation (1:3:6) and erection of SLB/BSLB/SB/WB/Stop board/Other Miscellaneous Board as per DRG. NO S&T/C / 3 4 (NKG) all 200 materials required for the work including cement, rail post etc. To be supplied by the contractor. This includes supply of SLB/BSLB/SB/WB/Stop board as per RDSO DRG NO. SA-2375 (ADV.) ( WITH LATEST AMDT.) for SLB/BSLB and as per RDSO DRG NO. 7235/B ( WITH LATEST AMDT.) for SB/WB/Stop Board. Supply. Inspection: Consignee.

Casting, concreting and curing of foundation (1:3:6) and erection of SLB/BSLB/SB/WB/Stop board/Other Miscellaneous Board as per DRG. NO S&T/C /34 (NKG) all 201 materials required for the work including cement, rail post etc. To be supplied by the contractor. This includes supply of SLB/BSLB/SB/WB/Stop board as per RDSO DRG NO. SA-2375 (ADV.) ( WITH LATEST AMDT.) for SLB/BSLB and as per RDSO DRG NO. 7235/B ( WITH LATEST AMDT.) for SB/WB/Stop Board. Execution

"Supply of Micro Processor based Remote Terminal Unit (RTU) with 64 digital input & 16 analog input as per RDSO Spec. No. IRS (S) 99/2006 with Amdt. 3.0 or latest. It includes supply of all the items required for complete indoor relay room wiring from RTU to relay rack tag blocks, drawing/extension of power supply up to RTU. It includes supply of relay room door lock checking arrangement, commercial power supply monitoring arrangement & monitoring of DG sets, ELD (if installed), IPS, interlinking and networking of RTU It also includes supply of leased line MODEM, 202 suitable online UPS (minimum 6 hours' backup) and other interfacing cards, if required for networking of Data Logger. Note: (1) Total numbers of relays and other signalling functions/gears required to be wired as per list circulated vide RDSO Letter No.STS/E/Data logger dtd.12.09.2011 or latest guidelines of Railway Board/RDSO/Zonal Railway. (2) Exceptional reports are to be generated by a computer connected to datalogger at the station and at a central location in Control Room. Datalogger software should be able to generate exceptional reports for maintenance, safety and operations as per latest guidelines of Railway Board/RDSO/Zonal Railway. Datalogger to be installed at Site by OEM. Manufacturing date of RTU and printer should be of current year at the time of supply. Inspection: RDSO"

"Installation, wiring, testing & commissioning of Micro Processor based Remote Terminal Unit (RTU) with 64/128 digital input & 16 analog input as per RDSO Spec. No. IRS (S) 99/2006 with Amdt. 3.0 or latest. It covers complete indoor relay room wiring from RTU to relay rack tag blocks, drawing/extension of power supply up to RTU. It includes relay room door lock checking arrangement, commercial power supply monitoring arrangement & DG sets, ELD (if installed), IPS, interlinking and networking of RTU. All material required for wiring, networking, power supply monitoring, door-locking arrangement etc. will be supplied by contractor. Note: Total numbers of relays and other signalling functions/gears required to be wired as per list circulated vide RDSO Letter No.STS/E/Data logger dtd.12.09.2011 or latest guidelines of Railway Board/RDSO/Zonal Railway. Networking of data logger includes extraction of data report from Control room. Exceptional reports are to be generated by a computer connected to datalogger at the station, EI Huts, LC Gates, AFTC Huts etc. and at a central location in Control Room. Datalogger software should be able to 203 generate exceptional reports for maintenance, safety and operations as per latest guidelines of Railway Board/RDSO/Zonal Railway. Datalogger to be installed at Site by OEM. For networking, required communication channel (Quad/ OFC cable) will be arranged/provided by Rly in SM/ASM's room or in OFC/AUTO/EI Huts/LC Gates etc. and it will be extended by contractor up to location of data logger by using CAT-5/6 telecom cable with proper casing and capping. The contractor will supply all the material like CAT-5/6 telecom cable, casing & capping, nuts, bolts etc. The final commissioning will be done after filling up of Pre- Commissioning checklist (circulated by RDSO) with the OEM representative. Datalogger to be validated and commissioned before simulation test and put in network, validation statement should be jointly signed by railway engineer (open line), railway engineer (construction) & OEM'S engineer before simulation test with name, designation and date. Payment for this item will be released only after submission of duly signed pre-commissioning checklist of data logger in standard RDSO format, joint signature of validation statement. OEM'S engineer will also impart training to rly staff at site for proper functioning /working and applications of data logger. Inspection: Consignee."

"Supply of Block Panel BPAC (Block Proving with digital axle counter) using UFSBI as 204 per specification IRS: S-105/2012Ver.0 with latest amendment for single line operation. NOTE: One set will include equipment required for one complete Single Line Block Section except DAC. This includes Relay, Relay Base retaining clip & connectors to be supplied by the contractor along with the UFSBI. Inspection: RDSO."

"Supply of Modem for UFSBI for use with secondary media OFC/Quad. The modem shall be complete with existing system as per RDSO/SPN/147/2005 with amendment -1 or latest. Inspection: Consignee"

Installation and commissioning of modem & media change over as above. Note: all required materials for execution to be supplied by the contractor.

Installation, Testing & commissioning of Block proving by Axle Counter (BPAC) 207 including UFSBI equipment as per standard practice & directive of engineer in charge and as per OEM guidelines. Inspection: Consignee

Supply and laying of 70 sq.mm PVC insulated flexible tinned electrolytic copper down conductor placed in a metallic / PVC protective covering wherever exposed to human intervention including saddles and all accessories as required. Supply material inspection by consignee.

"Supply & fixing of equipotential earth bonding unit between electrical & equipment Earthing in a explosion proof IP68 enclosure with inspection chamber for equipotential bonding during a surge. Supply material inspection by consignee."

"Supply & laying of 25x3 mm pure electrolytic copper tape through suitable CLASS-'B' GI pipe for loop Earthing and bonding as per site requirement. Supply material inspection by consignee."

"Supply of 25-Watt VHF synthesised trans receiver set, synthesised in frequency 211 band 136 MHz to 174 MHz (full band), with DTMF microphone and cords, with GP antenna, 30 m of feeder cable and suitable BNC connectors, with 3m of power cord and 12V/13.5V 10Amp/15Amp power supply suitable for 25W VHF set, as per RDSO spec. RDSO/SPN/TC/107/2018, Rev. 0.0 Amdt 1 or latest."

"Supply of DC-DC converter. for emergency communication through V.H.F. as per specification - the DC DC converter shall be independent for each vhf base equipment (voice 212 equipment) and shall allow to work from -48V nominal input (-48V to -60V variation) & output 12V DC. The power capacity to deliver 10A current with output short circuit protection & ripple voltage less than 5mv for telecom circuit. Short circuit current not more than 2 mA, input-output insulation by 2.5 KV, load & output regulation +/-1% with ERTL certification. Make: DACS, Pune or Webfil Kolkata or Machronics, Kolkata or similar. Inspection: consignee."

"Supply of Buffer amplifier for emergency communication through V.H.F. As per voice frequency channel shall be 600 ohms balanced 4W (viz. 2W for transmit, 2W for receive) and 2W for 212 E&M signalling. The nominal voice frequency signal shall be 0 dbm level the buffer amplifier should work of -48vdc or can from the DC-DC converter. Burn in of the complete equipment at 55 degree centigrade to avoid infancy failures. During the test the equipment shall be kept continuously on. Inspection - Consignee"

"Supply, fixing and wiring of surge protection device in attachment plug module with replaceable surge protection for coaxial signal, interfaces N-connector plug/socket installed as surge 213 protection between antenna and 25 W VHF sets, make- Phoenix Contact model CN-UB-280DC-SB- 2818148 or similar as per specifications. this includes mounting plate and reserve gas filled surge arrestor (one no.) with all required connectors/clamp for commissioning of SPD at site. Inspection: Consignee"

"Installation, testing and mounting of G.P. antenna on a GI pipe which is to be fitted on the roof of equipment room and lightning arrestors also to be mounted on a GI pipe. All fixing 214 materials to be supplied by the tenderer and left-over material to be returned to the railway store. N.B. G.P. Antenna, GI pipe (50 mm dia) and lightning arrestor will be supplied by the railway. Installation to be done as per Technical advisory guide lines of PCSTE/E.Rly's vide Letter No- SG.203/3/RDSO Dated 26.09.2025"

"Installation, testing & commissioning of operating panel room VHF/SIMPLEX VHF 215 base equipment, DCDC simplex VHF base equipment, DC-DC converter, buffer amplifier and laying of co-axial cable simplex VHF base equipment, DC-DC converter, buffer amplifier should be mounted on rack of suitable size and other fixing arrangement. Installation to be done as per Technical advisory guide lines of PCSTE/E.Rly's vide Letter No-SG.203/3/RDSO Dated 26.09.2025"

"Cement concrete work for miscellaneous items in the ratio 1: 3: 6. Item includes excavation, ramming, curing and plastering with cement & sand mixture (aggregate not exceeding 216 3.8 cm.) (Aggregate cement & sand to be supplied by the contractor). Wherever depth of 0.5 m cable trench is not feasible, cable shall be protected as: - Preparation of cement mixture 1:3:6 with contractor's own materials and spreading cement concrete mixture layer of 100 mm thick over the already laid cables in the excavated trench."

"Providing brick masonry in ratio 1:6 cement and mortar including plastering with 1:4 217 cement and sand mixture both sides, 20 mm thick each with contractor's owned class II bricks, including excavation, curing, grouting, bolting etc. wherever required. Bricks, sand and cement to be supplied by the contractor"

"Supply of Office Chair make Godrej CH-7B or similar of reputed brand.Inspection: Consignee"

"Supply of Office Revolving Chair Godrej Make Model No.9U02R Bravo or Similar of reputed brand. Inspection: Consignee"

Supply of Steel Plain Almirah with 4 adjustable slaves Size: 1980mm height, 915 mm width and 485 mm depth. Make: Godrej Storewel Plain Large or Similar of reputed brand. Inspection: Consignee

Supply , Installation, testing & commissioning of new modular / pyrotech workspace make or Cosmos or similar, new Modular control desk for provision of two numbers of monitors of size as advised by Site Engineer in "SLAT" system as per approved drawing (attached with tender document) This item includes : (i) Desktop made of 12 mm ASS + ASS 12 mm MDF (ii) structure : 221 powder coated aluminium sturdy structure and extreme side aesthetic legs (iii) shutters : 18mm MDF (iv) proper cooling arrangement for CPR cabinet (v) 2mm thick extruded aluminium "SLAT" wall . The workspace will be provided for storage in SLAT system, this includes space for housing two numbers of embedded PC , 2 No. of FDMS and their power supply arrangement with proper ventilation. This includes supply of two chairs (Godrej PCH 7002 D or superior , as approved by Engineer in charge) for operators to be supplied. Inspection: Consignee

Unforeseen Revised USSOR(S&T)-Nov'23 Above/

02-Group-B1 Non-SOR Items Category 1 46596369.00 Below/P

03-Group-B2 Non-SOR Items Category 2 136548664.00 Below/P