Bhavnagar Division: Supply, Installation, Programming, Testing and Commissioning of Electronic Interlocking (E.I) system along with outdoor S&T work and provision of MSDAC in connection with Vadal- Developing new loading lines in new Goods Shed at Vadal statin of Bhavnagar Division.

Design, manufacture and supply of Hot Standby Architecture Electronic Interlocking (EI) system i.e. Distributed or Centralized as per requirement of zonal railway, complete as per RDSO specification and as per attached technical requirement & tentative approved Signalling Plans & Diagrams. This include Central Processing Equipment, Interface Equipment, All Interfacing Relays suitable for EI, In-built event Logger, interconnecting cables and Jumper wires, Required power supply converters for EI equipments, Housing for EI equipments & relay racks, fuses, screw less disconnecting type terminals, fixture mounting arrangements, 1 Industrial grade maintenance Terminals (32'' LED or higher size with UPS minimum 1 hr back up with Printer) and other necessary accessories to make the EI system functional as per approved signalling plan. All items shall be supplied as per, per functional bit/station for functioning of EI. Negative variation in functional bit not permitted and for positive variation card wise/Modules etc. breakup should furnish by tenderer. Technical Requirement: 1. No of Bits Each station. 2. Architecture-Minimum 2 out of 2. 3. Non vital I/O- can be used only for accessories where SIL-4 condition required. 4. Station less than 200 routes- RDSO/SPN/192/2019 Ver.2.0 with latest amendment. Supply of 10% Essential spares of the EI equipments subject to minimum one of each type mainly consisting of processor, cards/ module, interface relay, DC-DC Convertors, Moxa switch, OFC Connectors, etc. Item wise detailed break up with unit and quantity to be provided in separate annexure. (The quantity involves 10% spare). Note: Rate does not include cost of VDUs and Embedded PC. Dual operator Industrial Grade VDU panel and Embedded PC will be taken separately. (Unit Read as Per Functional Vital Bit).

Supply of Smart Cabinet/Rack for Housing of Various S&T equipments like KLCR, Reset Box, IPS 2 Indication Panel, CA VA Unit for FACS, SP AU for Point Reversal, Crank Handle, Quad Cable Earth Sensing Unit along with Fixing of KLCR (KLCR will be provided by Railway) as per instruction of Site Engineer, Make RITTAL, SANTEL, VERO, PRESIDENT, APC Schneider or similar reputed make.

Rubber Mat for Power Equipment room. (5mm thick).

Monitoring Unit for Multi Section Digital Axle counter (MSDAC) as per RDSO Specification No. RDSO Specn. No. RDSO/SPN/176/2013ver.3 or latest. Prior approval to be taken from railway for make.

Supply of Axle counter cable conductor's Earth resistance Sensing unit. Microcontroller based for 12 nos conductors with metering facility for one conductor at a time. Installation as per instruction of Engineer in charge.

DC-DC Converter for HASSDAC as per RDSO Specification No. RDSO/SPN/177/2012 with version 3 or latest. Note: DC-DC converter will be compatible with existing system. Prior approval to be taken before supply.

New Reset Box RB 259A for HASSDAC as per RDSO Specn. No. RDSO/SPN/177/2012 ver. 3 or latest. Note: Prior approval to be taken from Railway for make of MSDAC.

Remote monitoring unit with following specification. Core i-5 10 th Generation Processor, 8 GB 8 (DDR4) RAM, 1TB HDD, 256GB SSD, 15.6 inches FHD Display, Wireless LAN, Port available: USB, HDMI, RJ45 Ethernet, Windows 10 professional and MS Office both licensed, Licensed Quick Heal/Kaspersky/Norton Antivirus for 03 years, 03 years OEM onsite warranty and carrying bag. It should be of reputed make - HP or Lenovo or Dell only. Prior approval of Engineer in charge to be taken before supply.

Supply of Surge protection device (SPD) 4- Pole, 5 V versions similar to model no MDP- 4 D-5-T of OBO make. Make OBO, Phoenix, ABB or DEHN.

Data logger system for Railway S&T installation as per spec. IRS: S-99 2006 (Amdt-3) or latest. 10 Central Monitoring Unit with UPS minimum 06 hrs battery backup and required Software tools. This also includes the supply of one no composite computer & printer table (Godrej workstation table) for keeping the Processor module and one no Godrej make operator chair model PCH7001. 1024 digital and 32 Analog inputs.

Failure Analysis System or Central Monitoring Unit with Printer. As per technical specification IRS: 11 S-992006 (Amdt-3) or latest. The specification of Failure Analysis System should be got approved from the Engineer in charge before supply. The Specification of Failure Analysis System shall be as per technical specification given in Contract Agreement or higher version as approved by Engineer In-Charge.

Failure Analysis & Fault Diagnostic software for data logger of 1024 digital inputs /4096 digital inputs. As per RDSO Guide line.

Supply of LED based Indication & Announcement system / Unit having six indications, Buzzer, 13 Acknowledgment Button and with digitized announcement of the fault message with interface facility to existing Data Logger and Modification of data logger embedded software when a station master fails to set the point against the occupied line within stipulated time after arrival of the train and transfer of the Safety Point Alarm Unit Health status to the existing CMU at central location through the data logger network.

Relay racks assembly complete with scaffolding bus bars, fuse strips, fuses, resistors, capacitors, insulators, grouting bolts, tripods etc. as per Drg. No. CSTE /6028. [Scaffolding should include 20% extra (with minimum of 2 relay rack positions) as spare for future expansion]. Relay rack shall be Powder Coated.

Cable termination racks as per Drg. no. CSTE 5004, 5005, 5006 complete along with fitting 15 arrangements and also with arrangement for fixing four 8-way terminal strips/ Screw less terminals on each row having 16 such rows. Supply of 8way terminal strips/ Screw less terminals not covered under this item. Cable termination rack shall be Powder Coated.

Miniature, Plug-in Type, DC Neutral Line AC Immunized Relay, Style QNA1, 24 V DC, 8F-8B/12F-4B Contact, Code ABDGH/ABDFH Spec: BRS: 931A; IRS S 34; IRS S 23; IRS S 60-78.

Flexible cable (Power wire), multi-strand copper conductors cross section 1x6 Sq. mm. (85 conductor each diameter 0.30 +/- 0.01) as per IS 694/1990 with insulation thickness of 0.80 mm nominal conductor resistance 3.30 ohms/km and test parameters are as per IRS(S)76/89 or latest.

Flexible cable (Power wire), multi-strand copper conductors cross section (1x16Sq.mm). 101 Conductors each diameter 0.45 +/- 0.01 as per IS 694/2010 with insulation thickness of 1.2mm nominal conductor resistance 1.127 Ohms/Km and test parameters as per IRS(S) 76/89 or latest.

Flexible cable (Power wire), multi-strand copper conductor's cross section 25 Sq. mm (0.4x196) as per specn. IS 694/2010 with latest amendment, and test parameters as per IRS(S) 76/89.

Single core multi-strand wire 0.5 sq.mm. (16 conductor each dia. 0.2mm), as per IRS 76/89 (Amd3) or latest.

Supply of 35 Sq. mm PVC insulated Single core Multistrands copper conductor (Red/Black/Green) as per IS:694/2010 or latest, as per Specification No. IRS:S-76/89 or latest. Colour of the wire which is required will be specified by the Engineer in charge.

Supply of 10 Sq. mm PVC insulated Single core Multistrands copper conductor (Red/Black/Green) as per IS:694/2010 or latest, as per Specification No. IRS:S-76/89 or latest. Colour of the wire which is required will be specified by the Engineer in charge.

Extinguisher CO2 type (capacity 4.5 kg. or above) As per instruction of Engg in charge. Each

Fuse auto changeover system for use in Railway Signaling System as per RDSO/SPN/209/2012 rev.1 with latest amendments. One Automatic changeover Unit comprises 32 nos. of external Non-Deteriorating Type or 'G' type fuses from 0.6 Amp to 4 Amp capacities which are in signaling circuits. The system shall have 8 cards with a monitoring arrangement of 4 fuses in one card. Each

Fuse auto changeover system for use in Railway Signaling System as per RDSO/SPN/209/2012 rev.1 with latest amendments. One Automatic changeover Unit comprises 24 nos. of external Non-Deteriorating Type or 'G' type fuses from 4 Amp to 10 Amp capacities which are in Signalling circuits. The system shall have 6 cards with a monitoring arrangement of 4 fuses in one card.

Indicative type Fuse base/ holder with cap, suitable to G type fuse of capacity 0.63A - 3.0A. (System, Rapid, Malnad or RBCO make or similar).

Indicative type Fuse suitable to G type fuse base/holder of capacity 0.63 A - 3.0 A (System, Rapid, Malnad or RBCO make or similar).

Round head type non deteriorating type low voltage cartridge fuse as per Spec No IRS/S/78/92 with latest amendments 2A/4A/6A capacity.

Miniature, Plug in Type, M to C, DC Neutral, Track relay, ACI, Style QTA2, 9 Ohm, 2F-1B contact,

Miniature, Plug in Type, DC Neutral, Line Relay QSPA1, 24V DC, Slow to Pick up AC Immunized, 12F-4B/8F-4B Contact, Code ABDEJ Spec: BRS:933A; IRS S 34; IRS S 23; IRS S 60-78.

Track feed battery chargers, 110V AC input, 2 to 6/10 V DC Output; as per Specn. No. IRS.S 89/ 2013 with latest amendments. Charger shall be suitable for charging 80 AH battery.

Adjustable Track Feed Resistance disc type 30 ohms as per RDSO Drg. No. SA 20166/M (Adv.) with latest amendments (with Phenolic moulded base).

Track Lead Junction Boxes as per C. Rly Drg. No. RST 11509 made from fibre glass/SMC/FRP along with terminal blocks.

GI wire 8 SWG (4mm Dia) suitable for track circuit rail bonding.

Point insulation Complete set as per RDSO Specification IRS: S-40/84 for Switch bracket, Split- Stretcher bar & Gauge tie plates (52 Kg/60Kg as per site requirement).

Key Lock Relay working on 24V DC, AC immunize with different ward combinations (Three ward plates to be supplied with each relay). Key ward shall be specified by engineer in charge as per requirement.

Apparatus Case Single NE Rly Type as per Drg. No. W. Rly/SW/47/68 Alt-A, fitted with two nos of E 37 Type lock (ward No will be specified by Engineer-in Charge) as per RDSO Drg. No. SA 3376/3473 and Key to Drg. No. 3377 Note: This item includes the supply & fixing of 2 Nos E Type Lock fitted on both doors, along with two Keys.

Apparatus Case half NE Rly Type as per Drg. No. W. Rly/SW/47/68 Alt-A fitted two nos E Type lock of (ward No will be specified by Engineer-in Charge) as per RDSO Drg. No. SA 3376/3473 and Key to Drg. No. 3377. Note: This item includes the supply & fixing of 2 Nos E Type Lock fitted on both doors, along with two Keys.

IS 13410: Glass Reinforced Polyester Sheet Moulding Compounds (SMC) Size of Sheet 1000x1000x8.

Disconnect Terminal Block, Screw less type, 4-wire front entry (Two in-put & Two out-put) The 40 color will be decided by Engineer - in - Charge. (Preferably In Blue, Red & Grey Colors in the ratio of 1:2:3). as per RDSO Spec. No. RDSO/SPN/189/2004. With latest amendments. Note: Make to be approved by Railway before supply.

Supply of 4 connection points single potential through screw less terminal block for 6 Sq.mm - 35 Sq.mm, 4 connection points 284-621/624 or superior, suitable for power cable connection.

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.

ARA Terminal blocks with links made of PBT Spec Nos/75/2006 (Rev - 2) with latest amendments and RDSO Drg.No.SA-23741A Alt.4.

Pad locks Godrej makes, Hardened Navtal 7 lever, 65mm Dia with common key or similar product having same feature & technical data.

Half Round RCC pipes & collars of 300 mm outer dia & 250 mm internal dia (1 meter long) along with collars as per IS No. 458/2003 of NP type.

Double Walled Corrugated (DWC) HDPE Pipe with associated collars etc. as per RDSO Specification No. RDSO/SPN/204/2011 or latest anti-rodent & anti-oxidant and non-flame propagating type in 6 meters straight length and of size 120 mm outer die, & 103.5 mm inner dia. One of the following coupling 48 arrangements should also be supplied with each pipe as per the site requirement. 1) Suitable snap fit coupler with rubber 'O-Ring 2) Spacers 3) Tees 4) Bend, 5) End-cap (The total quantity of above items is equal to no. of pipes supplied.) DWC pipe shall be marked at every 1 mtr length in such a way that manufacturer's name, vender name and year of manufacture can be easily identified. Color -Bright Orange; Min Weight = 4kg. Test Check by Consignee & Sample check by JAG officer.

Medium Class G.I. Pipes to IS: 1239 (Pt.)-2004 or latest; 100mm dia. (int. Dia) 3.65 mm thick or above with coupling. G.I. pipes shall have ISI mark on it and contractor should submit manufacturer's test certificate of G.I. pipes.

Colour Light Signal Complete. This includes: - (1). Post Tubular 140 mm Dia, as per IRS: S-6/81 or Latest & RDSO Drg. No. SA- 24625 (Advance). (2). CI Base (As per IRS S-10 & RDSO Drg. No. 2011/M with latest 50 assembly). (3). Pinnacle. (4). Ladder Assembly, as per RDSO Drg. No. SA-23156, with Base, Ladder Guards, Platform, Front Maintenance Platform, MS Supporting bracket to Support Ladder. (5). Signal Front Staging Complete Assembly for CLS Unit. (6). Signal back staging as per extent WR Practice. Note: Height of the Post shall be 5.5 Long.

Non Metallic (FRP) color light signal housing multi-unit type for railway Signaling suitable for RE 51 area TWO Aspects. Complete without lenses, lamps and signal transformer as per RDSO DRG. No. SA 23001/A/M Adv. Alt- S and as per SPEC. No. RDSO/SPN/194/2006 (Vol. 1.0) or latest and FRP material as per RDSO SPEC. No. RDSO/SPN/151/1997 or latest.

Non Metallic (FRP) colour light signal housing multi unit type for railway Signalling suitable for RE 52 area THREE Aspects. Complete without lenses, lamps and signal transformer as per RDSO DRG. No. SA 23002/A/M Adv. Alt- S and as per SPEC. No. RDSO/SPN/194/2006 (Vol.1.0) or latest and FRP material as per RDSO SPEC. No. RDSO/SPN/151/1997 or latest.

Junction route indicator unit 2 way as per Drg. No. RDSO SA 23402 is suitable for LED Signal Lighting Units & as IRS: S-66/84 amndt-1 or latest.

Position Light Shunt Signal Unit Complete with Post (made of GI Pipe of 80 mm Diameter Medium Class IS Spec. No. IS: 1239 Pt. 1/1990, Base, Hood, Cover etc as per Drg. No. SA-23840 suitable for LED Signal Lighting Unit.

Maintenance Free Earth Electrode of length 3m, including supply of 3 bags of Earth enhancement material for earthling (10KGs / bag) for each electrode & other accessories as per Drg. No. SDO / RDSO/ E&B/001 and RDSO Spec No. RDSO / SPN/197with latest Amd.

Earth Electrode as per Drg. No. CSTE / 6091.

Supply of copper strip for earthing (25mm x 3mm).

Supply of GI flat for earth (50 X 6 mm).

Shunt signal post with signal unit, surface base as per Western Railway's Standard Practice. Unit Above/

Supply, Installation and Commissioning of EI VDU (Visual Display Unit, 4K with all suitable accessories Compatible to El Interlocking in Safe Mode 24x7 at controlling station. The item must comply minimum following specification:- a) Screen Size (Diagonal):-As below b) Resolution:-4K c) Viewing angle degree: - 178x178 degree d) Brightness:-500 Nits e) contrast ratio 4000:1 f) Backlit:- Direct LED g) Jack Interface: - HDMI - 3 no. 1.2 DP, DVI USB 2.0 -2 no. CI Slot RF In AV In Component In (RCA5 Type) Digital Audio Out RGB In (D-sub 15pin)-PC Audio Input RS232C (D-Sub 9pin) RJ45 Stereo mini jack. h) Optical Out :- Available Note: - Screen size will be decided as per instruction of engineer incharge. Approximate Screen size 55 inch.

Supply and Installation of Modular power supply arrangement for VDU and industrial PC (Embedded PC) with input and output redundancy arrangement and Hot pluggable Modules as per RDSO specification/ guideline. Make Gallant or similar. One set consists of 1. Input O- ring diode module with potential 2 free -1 No contacts (PFC) for two 110 V DC sources from IPS and single 110 VDC bus Qty 1 No. 2. Isolated Inverters (Master / slave) - Input-110 V DC Output: 120 V AC/220V A500VA - 02 Nos. 3. Isolated DC-DC convertors- Input: 110 v DC Output: 24 V DC/ 10A, Qty - 10 Nos. 4. 3 U SS rack with back panel mother board /front panel power connectors inverter auto change over switch and all required over switch and all required protection circuits (3U height for main rack 132.5mm +/-10% & 1U height for mounting 44.5mm +/- 10%) Qty - 1 No. Make Gallant or similar.

Supply & installation of Industrial Grade Embedded PC as per RDSO TAN no. STS/E/TAN/3007 dated 2.11.12 or latest.

Installation, wiring, programming, testing and commissioning of EI equipment supplied as per supply item in schedule 'A' including transportation from Consignee's depot to site. The works and materials for installation, wiring, testing and commissioning, grouting, cutting of floors, walls, refilling of the same, re- plastering, required CC/ masonry works, fixing/ placing/ laying of insulated ladders/ casing-capping/ cable trays/ RCC/GI pipes / Cables, termination of cables with lugs/ connectors, painting, / lettering are to be provided/ done by the contractor for the equipments supplied vide Item of Schedule "A" of this contract. This also covers the networking of built in EI Data loggers of all the stations to monitor the system to any other places where desired by Engineer-in-charge. Note: Installation shall be complied with RDSO Technical Advisory Note No STE/E/TAN/3012 dtd. 28.08.2014 or latest. Installation, wiring, programming, testing and commissioning of Operator VDU in Hot stand-by with Redundancy. Any Equipments/cards/Modules required for Hot stand-by with Redundancy shall be supplied & Installed by the Contractor. This also include supply of one no Godrej make 4 operator chair model PCH7001 or better, one no. of composite computer & printer table (Godrej work station table or better) for keeping MT, one no Godrej make operator chair model PCH7001 or better. Termination of indoor/ PIJF cables in relay room on relays, tag blocks, CT racks as per approved wiring diagram including alterations/ modifications as required at site. Soldering to be done at all required termination. Dressing/ lacing of wiring shall be done neatly with help of dressing thread / plastic self-lock strip of suitable size. The tools / equipments / materials / simulation boards required for testing shall be supplied / fabricated by contactor. This included replacement of modules / cards / LEDs / equipments going defective during testing. Necessary power supply boards with required capacity plugs, sockets, surge & lightning protection boxes shall be supplied and installed by the contractor. 230V supply shall be arranged by Railways. In case supplies are required to be extended, from Power room / relay room then same shall be extended by the contractor with his own materials such as 1X16 sq. mm wires, cables, lugs, RCC/GI pipes, insulated ladders etc. After ST/LT testing, Factory Acceptance Tests (FAT) & Square Sheet testing system should be fault free while submitting to Railways, otherwise suitable necessary action can be taken by Engineer-in-charge.

Factory Acceptance Test / site acceptance test (FAT/SAT).

Additional Functional testing (SAT) of PI/RRI/IBS /Auto signal etc. as per Selection table, control table etc. Contractor shall depute one Engineer, one Supervisor & wiremen technically qualified to carry out functional testing as per approved design. Technical knowledge of contractor's staff will be judged by Railways 6 Engineer incharge before permitting them to do the testing. Contractor has to note down all the discrepancies found in testing noted during functional test in a separate design register and to be counter signed by Railways representative. Rectification of circuit discrepancies to be done after taking approval of changes in circuit diagrams by Railways. Mistakes found to be rectified free of cost by contractor. Omission in testing or wrong testing found after functional test will be penalized @ 5% pf rate per route.

Earthing of EI equipment, relay racks 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 specification No. RDSO/SPN/197 with latest Amd (with a min. of 6 maintenance free earth electrodes) & RDSO Drawing issued under Railway Board letter No. 2010/Sig./SGF/EI (Ansaldo) Dated 22.06.11, made using copper rings with earth 7 resistance less than 1 ohm. The earthing shall be maintenance free & earth enhancement compound should be used. The ring earth shall be connected to copper flat of size 25x3 mm in the relay room and IPS room. This copper flat shall be fixed on the wall to the entire breadth of the 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. Note: - This will also cover the earthing& necessary protection of EI equipment as per details given in the scope of work of Special Condition of Contract and other requirement given in Chapter of tender document & Pre-commissioning check list of EI system. Per station

After installation of EI System, Maintenance & Supervision for One year after warranty period. Maintenance as per Technical requirement (OEM) & SEM. Technical support letter from OEM for post commissioning maintenance shall be submitted by the contractor before commissioning of the EI. Quarterly visit by the service Engg. during and after warranty period. (UNIT READ AS P/STN/Yr)

Training of Officers for installation, Commissioning, Testing, and Repairs & Trouble shooting of the EI system. (Hard copies of training material/ course modules to be given to each participant).

Training of Technician/ Jr. Engineer for installation, Commissioning, Testing, Repairs & Troubleshooting alteration, design of EI system, as per details given in Special Condition of Contract. (Hard copies of training manuals/ course module to be given to each participant).

Supply, fabrication, installation and fixing of panel operator consol with arrangement to fix up to 11 55" VDU's -2 Nos. Reset boxes, and other S&T gadgets. This shall be made of not less than 18 mm thick play wood / novopan or better materials with storage facility of approved colors with contractors' materials, lead, lift and manpower as per the instructions of engineer in charge and drawing as per site requirement with One Chair (Godrej Make) Model PCH7001.

Supply and fixing of compact laminated sheet 20 mm for keeping S&T equipments as per 12 instructions of Engineer at site. Commercially available thickness will be accepted as approved by Engineer in charge. This item includes supply of fixing materials like Nut, Bolts, Screw, Nails etc. Table for keeping axle counter resetting box and block instruments etc. can also be go fabricated under this item as per the design given by Engineer in charge.

Design of Circuit Diagrams consisting Wiring/Logic diagram, contact analysis, fuse detail, Input/output bit chart, VDU diagram, Interface etc. submission of Three paper copies for approval. Up to 50 Routes.( uni read as per station)

Design of Miscellaneous diagram consist of Floor Plan of Relay Room, Battery Room, Power 14 Equipment Room, Data logger room, Power Supply Diagrams along with power supply calculation, Earthing Diagram, Power panel diagram, IPS wiring diagram, Auto change over diagram, Block circuit wiring diagram, Digital Axle counter wiring diagram and all other relevant drawings (Three copy) for approval. Up to four lines. ( unit read as per station)

Design of Cable Route Plan submission of Three paper copies for approval.

Supply of final Cable Route Plan as per laid cable duly measured at every 30m clearly indicating distance of laid cable from fixed point of reference & indicating all track crossings and tail cables in original tracing along with Auto CAD in Pen Drive and Six set copies after approval( unit read as per station )

Design and supply of cable core plan, location particulars, Cable termination rack particulars, cable meggering report, earth resistance particulars, Traction bonding diagram, 1/2 wire count sheet and any other drawing in AutoCAD in A3/A4 size. The contractor shall initially supply 3 sets of circuits complete for 17 approval of Railways. Railways will return one set to the contractor duly approved with alterations/corrections, if any. The contractor shall incorporate Railway's alterations/corrections in the tracings without any deviation and submit all tracings complete in all respects to the Railways along with PENDRIVE & 4 sets of final approved drawings. This includes designing of cable coreage plan based upon I.P in consultation with engineer-in-charge. For small/medium yards.(unit read as per station)

Design of ST/LT/TOC/Square sheet/RCC (Three copy) for approval. Up to four lines station( umit as per station)

Supply of completions ST/LT/TOC in original tracing along with Auto CAD copies in Pen Drive and six set copies after approval. Up to four lines station.

Supply of ferrules of different colour, printing termination details / Functions in different colours as 20 per Railway specification and installation in Relay room, Location Box and Power board etc, at various stations and LC gates as per instruction of Engg. in charge. All materials required for the work shall be supplied by the contractor.

Design and supply SWR Diagram on standard tracing paper of 95 grams for each station. Corrected version of SWR plans after checked & approved by Rly's 25 copies will be supply for each of the plans. For stations having up to 4 lines

Fabrication and supply of premium quality foam sheet 5mm thickness with vinyl printing of approximately size 2.5 feet x 4.5 feet with framing. This item also includes lettering/numbering of termination 22 particulars, CTR contact details in relay room, relay hut, goomties etc. This item also includes all material and resources required for fixing and transportation at stations & LC gates of Bhavnagar Division. Colour coding of CTR termination details will be as per WR/HQ policy letter, CTR termination details will be given by Railway. Work will be carried out as per western Railway practice. Sample of CTR to be provided before printing.

Preparation and fixing of location box board on 03 mm ACP sheet with size 12 x 18 size A3 for location box including pasting of printed/ painted vinyl sheet and lamination (printing/painting of location detail on vinyl sheet covered in schedule item separately).

Function Description of location box at station and LC gates designed in Auto Cad full and half apparatus case. As per WR policy. Detail provided by Railway.

Installation, Wiring and testing of Integrated Power Supply System. This includes power distribution connection to bus bars and relay racks in the room with contractor's own wiring materials and fabrication and fixing of AC/DC power distribution board made on 8mm thick SMC sheets or any standard make 25 with connections suitable for 32 A. Wiring to be done considering site requirement, depending upon the load with suitable wires, lugs & glands as per instructions of Engineer-in-charge. The work includes installation of ELD's, fixing & wiring of change over switch (program switch) for selection of DG set supply (DG1 & DG2) and wiring of change over switch (program switch) for selection of mains or DG supply. This item also includes supply & fixing of ladder along the wall for carrying power supply wires/cables from IPS room to Relay room/power room etc. Any masonry work required will be carried out by contactors own material. For Station.

Installation of Central Evaluator of axle Counter, wiring from CT rack to Central Evaluator, installation and wiring of the reset box, LV box (if required) and associated power supply wiring. This includes supply of shielded cable of required conductor size for wiring between CT rack to evaluator rack, all other wires, 26 power supply cable and wiring materials. The power supply cable from power room to Central Evaluator should not be less than 10 sq.mm PVC wire. Earthing as per OEM's guidelines & specification with their own material. This also includes painting and writing work on evaluator as per site requirement. NOTE: Installation /programming/ configuration / commissioning of Axle counter equipment to be carried out in accordance with latest guidelines issued by Railways/ RDSO preferably by Authorised representative of OEM.

Installation of track device (double rail contact) including digging of trench, track crossing, laying of anti-rodent, anti-oxidant & non-flame propagating type Double Walled Corrugated (DWC) pipe as per IS- 27 14930 part- I or II or latest and all other accessories as per site requirement to be for laying of transmitter and receiver cable. The item also includes installation of EJB / Track side Electronics including foundation & earthing as per OEM's guidelines and Technical requirement & specification with their own material. NOTE: Installation / programming / configuration / commissioning of Axle counter equipment to be carried out in accordance with latest guidelines issued by Railways/RDSO preferably by Authorized representative of OEM.

Tripod Earthing of HADAC to be done along with the supply of all requisite materials. Earthing 28 shall be in the form of Tripod Earth conforming to RDSO specification No. RDSO/SPN/197/2008 (with 3 nos maintenance free earth electrodes), with earth resistance less than 1 ohm. The earthing shall be maintenance free & earth enhancement compound should be used. The earths shall be interconnected by copper strip of size 25x3 mm.

Installation, wiring & testing / commissioning of Axle Counter's Reset Box of all types in 29 Cabin/Panel room and wiring the same to integrate with the Axle counter as per the instructions of Railway Engineer at site. This includes laying & termination of cable if any form Panel Room/Axle Counter room /Relay room to Reset Box in DWC pipe / existing ladder. (When reset box is shifted from existing building to new building ).

Design, supply, testing and commissioning of Remote Diagnostic and Predictive Maintenance 30 System (RDPMs) as per Draft RDSO document No. RDSO/RDPM/FRS/2022; as per Signalling Plan Enclosed. (The detailed of Design/schematic drawing, make and model of various product being proposed to be provided for RDPMS system.).

Installation, wiring, testing, and commissioning of Data logger complete along with accessories using Contractors' own wiring & fixing materials as per the following configuration. (It includes loading of 31 NETWORKING software, networking of data logger, installation of FEP & Fault diagnosis system). The requisite communication cable/channel for networking will be arranged by Railway. 1024 digital & 32 analog inputs/ 4096 digital & 32 analog inputs. (All the Indoor & outdoor gears wiring in cataloged included in this along with laying 230V supply cable from IPS room, 12 core cable from auto change over for monitoring supplied.) Note:- It included logging of all gears as per site in-charge.

Implementation and testing of the "Safety Point Alarm Unit (SPAU) Which includes the interface with the existing Data Logger and modification of embedded software in the existing datalogger. Running

Laying of S&T Cables of various cores/ pairs/ quads in trenches/ GI pipes/ RCC pipes/ DWC pipes/ 33 Trucking. This also includes laying of cables in track crossings & road crossings. Item includes provision of labels of colored plastic adhesive tapes or any other identifiable material on each cable to give the cable number at each G.P. (Cables will be daggered 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.

Installation of Relay Rack Assembly including IDF pillars if any complete with wall supports, scaffolding, ladders, runway for cables, fixing of Relay / Relay group base plates, fixing of Tag blocks etc. The work shall be done as per approved plan, extant practice on WR & the instructions of Rly engineer at site.

Installation of Cable Termination Racks Assembly complete including wall supports, scaffolding, 8 35 way/ARA terminals /Screw less connectors, Tag blocks & other necessary accessories etc. The work shall be done as per approved plan, extant practice on WR & the instruction of Rly engineer at site.

Supply, installation, testing and commissioning of Automatic fire alarm system (AFDAS) as per RDSO Specification RDSO/SPN/217/2025 Version 3.1 or latest. AFDAS Complete system with all types detectors (Probe type Bimetallic Heat detectors, UV & IR flame detectors, Heat and Smoke multi sensors) all types cables 36 (Linear Heat Sensing (LHS) cable/ Linear Heat Detection (LHD) System), Aspirating type smoke detectors, control panel, manual call point, audio visual alarm, power supply etc. as per latest RSDO specification & RDSO TAN. Quantities of each item will be as per site requirement, RDSO TAN and instruction given by Railway officials. 10 % Spare, Documentation, Warranty (24 Months) & training as per RDSO specification. Pre-Commissioning Checklist of AFDAS system should be ensured by OEM.

Installation wiring testing and commissioning of Fuse changeover system (FACS). This includes 37 the provision of a common Buzzer & indication at the ASM Room & ESM Duty Room and the painting of fuse details. This also includes the fabrication of a frame for the installation of FACS at the Station/ LC gate where the installation of relay racks is not feasible.(unit read as per module)

Earth Leakage Detector as per RDSO/SPN/256/2002 or latest with latest amendments. The basic 38 detector unit shall comprise of 8 channels, for use on signaling circuits of 110V AC/DC and/or 60V/24V/12V DC as ordered by purchaser. If the detector is required for less number of channels, dummy plates shall be provided. For additional requirement add on /expendable cabinet may be used. The voltage specified shall be provided with + 25% and - 10% tolerance. Installation to be done as per instruction given by Railway.

Charging of Lead Acid Batteries (2V 80AH) with contractors' own battery grade sulphuric acid and 39 distilled water with a minimum of two charge-discharge cycles, installation of charged batteries in groups & their connection & wiring. The work shall be done as per the extant practice of W. Rly & instruction of the Engineer-in- charge. Detailed measurements of initial charging shall be recorded jointly by the contractor & Rly's site-in- charge.

Provision of bonding with GI wire 4mm Dia (8 SWG) for track jumper & fish plate joints bonds. This will include drilling of 7.0/7.1/7.2 mm Dia holes in rails (4 Nos.) and provision of two jumpers for each bond, clipping of bonds etc. with contractors own tools as per instruction of Rly. Engineer at site. Per Track

Fixing and wiring of DC track circuit equipments i.e. track feed charger, resistance, track relay, battery, PPTC fuses etc., in the Apparatus Case and battery box as per standard practice. Termination of tail 41 cable on M 6 / Screw less terminals WAGO or FINOLEX or similar approved make terminals/ fuse blocks / HRC fuse. Item includes testing /commissioning of track circuit. Complete wiring material (including PPTC fuses) which are not covered in Schedule will be supplied by contractor. (Supply of Track feed battery charger, track feed battery, resistances & 'B' type choke & Track relays will be supplied by Railways / covered in Schedule separately).

Installation of DC track circuits covering points zones also. The item includes provision of continuity bonds of seven strand PVC jacketed wire/ GI wire 8 SWG on rail joints after drilling bond-hole of 7.0/7.1/7.2mm Dia (double bond with sleeves and rail clips are to be provided at each rail joint), insertion of insulated block joint, fixing of Track lead Junction box on MS angle two numbers of size 40X40X5 mm 1200 mm length for track feed/ jumper / track relay ends of track CCTs (as per double TLJB arrangements) and also for 42 fixing jumper cables as per insulation diagram WR Drg No. CSTE/6055 and standard practice, making rail connections through suitable insulated sleeves from Track lead Junction box at TF, jumper & TR end with seven strand PVC jacketed wire /GI wire 8 SWG, rail clips for fixing bond wire on the TLJB as per standard practice, termination of tail cables on bootleg terminals etc. TF/TR wiring shall be fixed on the suitable arrangement on PRC sleepers with the help of hooks. Hooks shall be provided on PRC sleepers with the help of suitable steel bracket. This item also includes fixing & supply of channel pins etc. The item also includes supply of MS angles/ trestles, GI wire 8 SWG / seven strand PVC jacketed wire, hooks, rail clips etc.

Fixing of Electrical Point Machine on the extended sleepers at points as per std. practice and as per RDSO Drg No. SA 91 51-52 or 9710 or 9161 as per section of rails used. Item includes fixing switch extension bracket, providing insulation for switch extension bracket, fixing ground connection, adjusting opening of the switches and adjusting the point machine with crank handle. The item also includes: (i) Complete material for installation like ground-connections, switch extension brackets, point insulation material, I pipes, wiring materials, various fixing nuts & bolts including castle nuts, spring washers (ii) All smithy & fitting works required 43 at site for complete installation. (iii) Installation of gauge tie plate & providing insulation for gauge tie plate (Insulation in William Stretcher Bar will be Provide by Railways). (iv) Wiring inside the point machine, insertion and termination of tail cable in point machine and junction boxes / location box /cable hut as per extent practice on WR and the instruction of Railway Engineer at site. (v) Supply and fixing of suitable size GI pipes with flange for taking cable into point machine. Note; The ground connections shall be suitable to the Point Machines as specified by Engineer-in-charge and shall be suitable to the point lay out i.e. 60 Kg. / 52 Kg / 90R as per yard layout. Electrical Point Machine and M-6 / Screw less terminals will be supplied by Railways / covered in Schedule separately.

Refixing of electrical point machine, ground connection during phase working (No interlocked 44 working) after removing the existing fitting if any, adjustment, if necessary, cable termination, wiring, testing and commissioning of electrically operated point, fixing and connecting point indicator on derail switch if necessary. The work shall be done as per extant practice on WR & the instruction of Railway Engineer at site.

Dismantling of all points complete including Ground connection, fitting ME-34 boxes and point machines with transporting them to consignee's depot or DS-8 depot as per the instruction of Engineer In-charge by contactors own vehicle & labour.

Supply and fixing of CH/KLCR boxes appropriate size in field / in location boxes / in SM office / at 46 LC gate as per site condition. It should be made of Hylam /wooden (teak wood) of high quality as per requirement. Item includes supply of any minor bracket nuts, bolts and hole drilling MS angle, MS plate etc. It also includes fixing of KLCR relays in the boxes. Prior approval to be taken from Engg. In charge before supply of box.

Excavation and Casting of Apparatus Case foundation with contractor's own materials including cement and anchor bolts of standard size. The required scaffolding Ferma etc. for Casting of foundation will have to be brought by the contractor at his own cost. Single Case as per Drg No SK 748 or CSTE/5074 or SS Location.

Installation of Apparatus Cases with 'E' type lock on CC foundation. This includes filling of location foundations with river bed sand and plastering on top of the sand. 'E' Type lock will be provided by Railway. Single Case

Excavation and Casting of Apparatus Case foundation with contractor's own materials including cement and anchor bolts of standard size. The required scaffolding Ferma etc. for Casting of foundation will have to be brought by the contractor at his own cost. Half Case as per Drg. No SK 747or CSTE/5074 or SS Location.

Installation of Apparatus Cases with 'E' type lock on CC foundation. This includes filling of location foundations with river bed sand and plastering on top of the sand. 'E' Type lock will be provided by Railway. Half Case

Fabrication and fixing of SMC sheet in location box by providing all fixtures as per Railway 51 Drawing including fixing of PVC coated string rods at the back side for cable support with contractor's own materials. The work shall be done as per Drg and arrangement similar to SK 783-1/2. With latest alterations & as per instructions of Rly engineer at site. Note: SMC sheet will be taken in place of phenolic laminated sheet.

Fabrication and fixing of SMC sheet in location box by providing all fixtures as per Railway 52 Drawing including fixing of PVC coated string rods at the back side for cable support with contractor's own materials. The work shall be done as per Drg and arrangement similar to SK 783-1/2. With latest alterations & as per instructions of Rly engineer at site. Note: SMC sheet will be taken in place of phenolic laminated sheet.

Shifting of existing full location boxes coming in the alignment of new line. The work includes losing & removal of soil around location boxes by excavating soil around foundation, making of pit for shifting of 53 location box horizontally opposite to railway track up to 0.5 to 1.0 mtr. This includes loosing of existing cable coils without any damage. The excavated soil shall be back filled after shifting of Location Boxes. Location box shall be shifted by push method with the help of jacks or by crane by contractors own expenditure under instructions of engineer in-charge at site. The work may affect train working hence the work shall be done as per margin only or during traffic block only.

Shifting of existing half location boxes coming in the alignment of new line. The work includes losing & removal of soil around location boxes by excavating soil around foundation, making of pit for shifting of 54 location box horizontally opposite to railway This includes loosing of existing cable coils without any damage. The excavated soil shall be back filled after shifting of Location Boxes. Location box shall be shifted by push method with the help of jacks or by crane by contractors own expenditure under instructions of engineer in-charge at site. The work may affect train working hence the work shall be done as per margin only or during traffic block only.

Termination of outdoor cables, main cables laid in location boxes, Cable termination rack etc at 55 both ends on ARA terminal or on 8 way terminals or on screw less connectors. Both ends of a cable core terminated shall be counted as one terminal. This includes all associated works of pulling out the cable from underground, peeling off insulation, dressing of cable core supported on sting rod with contractor's own material. The work shall be done as per instructions of Rly engineer at site.(unit as per Terminal)

Excavation of cable trench as per cable route plan,1 Mtr. deep and of 0.3 Mtr. to 0.6 Mtrs wide advised by Engineer-in-charge alongside the track in normal (all type) soil/strata, conforming to distances as per cable route plan and refilling. This work includes clearing of route from bushes etc, covering of cable laid in 56 trench by loose soil for a layer of 50mm thickness approximately before covering by bricks. The work shall be done as per the extant practice on Western Railway and instructions of Railway Engineer at site. In case 1m depth of trench is not achievable due to site conditions, specific approval of JA grade officer will be required for each site where trench depth of 1m is not possible. Without the approval of JA Grade officer, no payment for trenching will be made for trench depth less than 1m.

Digging of trench 1.2 M deep from rail flange/ road level and, 0.3 Mtrs to 0.6 Mtrs wide and back 57 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, Drg. No. CSTE/3644 Pg.7 of 11 and for Road Crossing, Drg. No. CSTE/3644 Pg. 5 of 11 are to be followed.

Digging of cable trench 0.3 Mtrs. Deep and 0.3 Mtrs. Wide on Asphalted Platform / Road / Hard rocky area. Refilling with earth leveling of trenches & restoring the original surface of trenches.

Horizontal direction drilling/boring without damage of surface road using Auger Machine. The bore 59 shall be 150 mm dia & shall be done at the depth of minimum 1200 mm from the ground level. The ground level shall be considered ignoring the bank height of the bank of the road. The length of the bore shall be minimum 4 Mtrs long. this include insertion of different dia DWC pipe/ GI pipes coupling etc. as per direction of Engineer In charge.

Cutting of Hard rock in trenches /Preparation of cable way/Chase 150mm wide at the bottom and 300 mm deep in hard rock (Drg prepared by contactor & approved by Engineer In charge) for laying of S&T 60 cables where minimum required depth not possible & which is verified and agreed by Engineer In charge of the work or his re-presentative shall be made as per Drg. No RE/S&T/ALD/SK/301/85. refilling of the same with concrete mixture of 1:3:6 from top of the cable way/ chase. Payment of concrete will be made separately through a separate item in the schedule of work.

Digging of cable pit (min2x2x1m) as per instruction of Site Engineer, supplying and filling of sand before and after coiling the cables, covering top of the cable pit with stones and providing brick masonry on all four sides of the cable pit and plastering thereafter.

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 3.8 cm.) (Aggregate cement & sand to be supplied by the contractor).( unit read per Cu Mtr.)

Supply and installation of RCC cable route marker engraved and painted on both side along the route every 50mm and route diversion as per Drg. No 4014/00/CC4 or latest/ Stone marker.

Supply Polyolefin cable channel of size width 240/340 mm, height 155/230 internal/external, 64 length 1meter produced of polyolefin with fire protection class K-1 in accordance with DIN 53438 Part-II for laying Signaling/telecom cables, channel attachable to each other with male female swallow tail connectors and having a suitable detachable cover, as per RDSO STS/E/cable laying Precise Vol-IV and as per technical specifications. Running

Laying of half round RCC pipe after laying the cables in the trenches. (Cable laying is covered separately) Running

Fixing of GI pipes for crossing the culverts, bridges etc. and concreting of ends with brick masonry at both ends as per the instruction of Rly engineer at site. Running

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

Excavation and Casting of foundation for main signal post as per CSTE/3122 (WR) with contractor's own materials including cement and anchor bolts of standard size. The required scaffolding Ferma etc. for Casting of foundation will have to be brought by the contractor at his own cost.

Erection of CLS Post with base and signal unit on top or on OFF set Bracket, fixing of front and back staging, ladder and guards, signal name plates / boards if any with contractor's own brackets and fixing 69 materials. This also includes erection of auxiliary signals like calling on, shunt signal if any. The work shall be done as per instructions of Rly engineer at site. It also includes provision & fixing of maintenance platform as per design given by Engineer -In-Charge at site. The Item includes cutting of Signal post if required by Site In charge. 2/3/4 aspect signal unit mounted directly on signal post.

Supply & Fixing of Stop Board, Block section limit Board, goods warning board and all other boards with contractors own material. The work shall be done as per instruction of Rly. Engineer incharge as per IRSEM.

Dismantling of all signals complete with signal unit, route indicator, signal foundation and other accessories complete with transporting them to consignee's depot or DS-8 depot as per the instruction of Engineer In-charge by contactors own vehicle & labour

Excavation and Casting of foundation for Shunt Signal as per Drg. No. CSTE/6090 with Contractor's own materials including Cement and Anchor Bolts of Standard Size. The required scaffolding, Ferma etc for Casting of foundation will have to be brought by the Contractor at his own cost.

Erection of Position Light Shunt signal with Base, Post, Signal unit and fixing of Number Plates. The work shall be done as per instructions of Rly engineer at site.

Transportation of S&T material leading up to 1 Km including Loading from Starting point, unloading & Stacking at destination.

Extra for each additional 1 Km or part thereof.

Removal & reinstallation of Axle Counter /Tx-Rx coil (Detection Point).

Dismantling / Releasing of existing Signaling Gears. One Signalling gear will be all parts of one signal (consisting of CLS unit, Signal post along with base) or lever frame (5 levers set), or one point (consisting 77 of all parts of a mechanical point, point machine, ground connections etc.) or one track circuits (consisting of battery box & other parts of DC Track circuit / AFTC /DAC) or one Block instruments or One Lifting Barrier or One Location Box etc. .This includes the cost of transportation of release materials to store depot or as decided by consignee in charge. This work to be done by contactors with his own vehicle and labour. (Per unit means Per Gear).(UNIT READ AS PER GEAR)

Releasing of Existing Panel, Power Equipments, relays and relay racks, CT racks, Batteries etc.as per the instructions of Rly Engineer at site & their transportation to nominated depot. This work to be done by contactors with his own vehicle and labour.

Dismantling of Concrete foundation/ Demolishing RCC/CC/Stone work /Cutting Tar/ carpentering/ CC Flooring / Precast concrete slab/ Brick work including leading the debris inside Railway limit or outside Railway limit as directed by site in charge. This work to be done by contactors with his own vehicle and labour.

Miscellaneous arrangements during Pre-NI/NI comprising of: 1.Temporary goomty tent of dimension at least 12' X 12' at two to four places, as per the need at site, in the station yard. Each goomties to 80 be furnished with two tables, Six chairs and emergency light. 2. Resting arrangement for at least 24 staff at night. 3. Vehicles for transportation arrangement for to and fro movement in the station as well as between the staff resting place during NI period. 4.Manning of station goomties to be done by contractor. 5. Catering facility includes Breakfast, Lunch, Dinner and refreshment for staff involved during NI. Note: Quantity of each item, installation, capacity etc. decided by the Railway Engineer.

Installation & Commissioning of maintenance free earth Consisting As per RDSO guide line.

Installation of Earth Electrode including MS flat for clamp etc. and connection to signalling equipments, lever frames, apparatus cases, signal, relay rack, block instrument, etc. as per technical 82 specification given. This item includes digging of pit in earth 3 M deep & fixing earth electrode pipe, casting of cement concrete enclosure & cover as per RDSO/SPN/ 197/2016. Soil treatment to be done as per std. practice. This item includes provision of MS Flat, Earth lead wires and Soldering of lead wires. The other end of the wire is to be connected to block equipment, power equipment, cable sheath, and signals etc. as per site requirements. 7strand GI wire shall be used as earth lead wire.

Supply & installation of Fencing work around S&T apparatus case or building/office etc. As per instruction given by site in charge.

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table 84 vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in- Charge. 60mm thick cement concrete paver block.

Erection of copper strip for earthing. (25 x 3mm)

Erection of MS flat for earth (50mmx6mm) laid in ground/exposed

Painting of Main Signal Post with Signal Units, Surface base and complete fittings as per Western Railways standard practice.

Painting of Point Machine with ground connections complete (Point Machine with Black enamel only outside and ground connections with Red Oxide)

Painting Apparatus Case Full Size. (Outside & inside)

Painting of Apparatus case Half Size. (Outside &inside)

Fabrication and fixing of 'A' Marker (Drg No. CSTE/6180), 'AG' Marker (Drg No. CSTE/6181), 'P' 91 Marker (Drg No. CSTE/6182), Arrow Marker (Drg No. CSTE/6183), 'G' Marker (Drg No. CSTE/6184), 'C' Marker (Drg No. CSTE/6185). Marker disk on signals as per standard practice All material required for this work shall be supplied by Contractor. Unit Above/

Supply of Multi Section Digital Axle Counter (MSDAC) for mentioned detection Point by the purchased & track Section as per SIP, 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 1 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 Specifications No. RDSO/SPN/176/2013, Ver.3 or latest and OEM/manufacturer's specification and as per Annexures. (Quantity 01 No. = 01 DP) Inspection Authority: RDSO. Note: Prior approval to be taken from Railway for make of MSDAC. Note:- As per WR's Policy No 03/2024 Para No. 3.4.2. e .iv "VDU/Reset box can be used for resetting. At Stations having more than 10 Track sections, the Railway propose to use a separate VDU-based resetting system. Such a VDU-based system if using a PC, it must be industrial grade".