Alipurduar Division: Interlocking of LC gates with MACLs having more than 20000 TVU (17 Nos).

Designing, Preparation and Plotting of Signalling Interlocking Plan (SIP), PD/VDU Diagram, RCC in AUTOCAD. Two copies of prints with soft copy (in PDF as well as CAD files) will be submitted to Railway for checking. If alterations are suggested /proposed by Railways then again two 02 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. Final documents (SIP, PD/VDU Diagram, RCC) to be submitted in Softcopy in AutoCAD and PDF format along with with six print copies of each document'. The scope of work includes subsequent modification and revision in SIP, PD/VDU Diagram, RCC till commissioning of projects.

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 as per Technical Specification. Square

Supply and installation of ISI marked anti Electrostatic mat of standard size having 2 mm in thickness Bluecolour or any other colour as perinstruction of Engineer Incharge.Proportionate payment will be madeif Thickness of mat varies as per the instruction of Engineer In Charge. Inspection Authority: Consignee.

Design of circuits and plans to suit layout given in the signalling plan of IBS/ABS/LC GATE as per as per Technical Specification.

Supply of Micro Processor based Remote Terminal Unit (RTU) with 128 digital input & 16 analog input as per Technical Specification. Inspection Authority : RDSO.

Installation, wiring, testing & commissioning of Micro Processor based Remote Terminal Unit (RTU) with 64/128 digital input & 16 analog input as per Technical Specifications.

Modification/ upgradation, validation and alteration of data logger as per site engineer. This includes changes of NMDL software etc. Also, data logger to be interfaced with PI / EI 08 equipment keeping at relay room. This work includes validation, wiring, etc. For this work necessary wire from relay to tag block & from tag block to data logger and tag block, terminal, wiring material etc. required for this work to be supplied by contractor. Wire to be procured from RDSO approved firms.

Supply of embedded software for RTU to suit GSM/GPRS/4G or higher communication. Inspection Authority : Consignee.

Supply of GSM/ GPRS/4G or higher- modem for communication between RTU and CMU. Note: SIM with will be supplied by contractor initially for the 1st years in the name of Railway Supervisor, thereafter will be supplied by the Purchaser. Inspection Authority : Consignee.

Supply of wireless modem adapter card. Inspection Authority : Consignee.

Testing commissioning of total system including local report system, firewall, static IP to bring DATA of RTUs through GPRS to CMU.

Relay fail safe electronic time delay device with fixed timing 60 seconds and 13 conforming to RDSO Specn.No.IRS: S-61/2000 with Amdt.3 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.

Fail safe electronic flasher device as per RDSO Specn. No. RDSO/SPN/173/2002 Amdt.2 or latest.60 flashes per minute workable on 24V DC as per TS. Inspection Authority : RDSO.

Q-Series Neutral Line Relay (QN1 Type), 12F/4B, 24V DC complete with plug board 15 (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 or latest. The interlocking code for this unit shall be "ABCDE". 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 Line Relay (QNA1 Type), AC immunized, 8F/8B, 24 V DC along with plug 17 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 Line Relay (QNA1 Type), AC immunized, 12F/4B, 24 V DC along with plug 18 board (base plate), connectors, retaining clips etc. and conforming to BRS-931A and RDSO Specn.No.IRS : S - 34, S - 23 and S - 60 with amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABDFH". Inspection Authority : RDSO.

Q-Series LED ECR (Universal Type i.e. QECX), 4F/4B complete with plug board (base 19 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.

Supply of PVC insulated multi strand, single core copper conductor of size 16/0.2 mm 20 (0.5sqmm) as per IS 694:2010 and RDSO Specn. No. IRS: S-76/89 (Amnd-3) or latest. One Coil should be of 100 meters length. PVC coated in different colours as per technical specifications. Color of the wire which is required will be specified by the Engineer in charge. Inspection Authority : RDSO.

Supply of 1 x 6 Sq.mm. (Red /Black / Green) multi strand copper power wire as per IS: 21 694:2010 or latest, 84 conductor each dia 0.30mm +/- 0.01 with insulation thickness of 0.8 mm and nominal conductor resistance of 3.3 ohms/km and test parameters as per RDSO Specn.No.IRS:S76/89(Amnd.3) or latest. Color of the wire which is required will be specified by the Engineer incharge. Inspection Authority : RDSO.

Supply of 1 x 10 Sq.mm. (Red/Black/Green) multi strand copper power wire as per IS: 22 694:2010 or latest, 140 conductor each dia 0.30mm +/- 0.01 with insulation thickness of 1.0 mm and nominal conductor resistance of 1.91 ohms/km and test parameters as per RDSO Specn.No. IRS:S76/89(Amnd.3) or latest. Color of the wire which is required will be specified by the Engineer in- charge. Inspection Authority : RDSO.

Supply of 1 x 16 Sq.mm. (Red/Black/Green) multi strand copper power wire as per IS: 23 694:2010 or latest, 126 conductor each dia 0.40mm +/- 0.01 with insulation thickness of 1.0 mm and nominal conductor resistance of 1.21 ohms/km and test parameters as per RDSO Specn.No. IRS:S76/89(Amnd.3) or latest. Color of the wire which is required will be specified by the Engineer incharge. Inspection Authority : RDSO.

Supply & Erection of Relay Rack as per Technical Specifications. Inspection Authority : Consignee.

Supply & Erection of Cable Termination rack, Termination of cables, frame,scaffolding/ ladder /angle, etc as per Technical Specification. Inspection Authority : Consignee.

Fuse Block made of PBT/POLYCARBONATE as per IRS:S- 75/2006 or latest & RDSO Drg No SA- 23748 Alt-4 suitable for Cartridge fuse block cylindrical head fuse links. Inspection Authority : RDSO.

Supply of Non detoriating type low voltage cartridge electric fuse 2/4Amps with cyndrical head end cap as per Spec NoIRS/S/78/92 with latest amendments. Inspection Authority : RDSO.

Supply of PVC insulated Railway Signalling multicore Indoor Cable 60 core (0.6mm dia) conforming to IRS:76/89(Amd3) or latest. Inspection Authority : RDSO.

SOR ITEM NO. 041100 : Supply of Disconnect Terminal Block, Screw less type, as per RDSO Spec. No. RDSO/SPN/189/2004 Ver. 3 orlatest (Modular Terminal Blocks, Fuse Terminal Blocks &Miniature fuse link of international standard for Railway signalling) With latest amendments. Each

Supply of Fuse auto changeover system for use in Railway Signalling System as per 31 RDSO/SPN/209/2012 Ver.2.0 with latest amendments. One Automatic Changeover Unit comprise 32 nos. of external Non-Deteriorating Type or 'G' type fuses from 0.6 Amp to 4 Amp capacities which are in signalling circuits. System shall have 8 cards with monitoring arrangement of 4 fuses in one card. Inspection Authority : RDSO. Each

Installation wiring testing and commissioning of Fuse change over system (FACS). This includes provision of common Buzzer & indication at ASM Room & ESM Duty Room and painting of fuse details. This also includes fabrication of frame for installation of FACS at Station/ LC gate where installation of relay racks not feasible. (Per Module = Each Module)

Underground, armoured, unscreened, Railway signalling cable PVC insulated copper conductor conforming to Specn. No. IRS:63/2014 REV. 4.0 OR LATEST AMENDMENT of Size-12 Core x 1.5 Sq. Mm. Inspection Authority : RDSO.

Underground Power Cable, PVC Insulated Unscreened Armoured, Aluminium Conductor for Railway Application , Spec : IRS:S-63/2014 (Rev.4.0) & IS : 1554 (Part -1) or latest, SIZE : 2C X 25 Sq. Mm. Inspection Authority : RDSO.

Supply of half size apparatus case. This includes supply of location box 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. Inspection Authority : RITES.

SOR ITEM NO. 110300 : Supply & fixing of Hylam sheet 10mm thick of various size of minimum grade P2/P3 on apparatuscase/Location boxes for wiring of signaling circuit and cable 37 termination, fixing on suitable size contractors angle with string rod for supporting cable on back side including fixing of all types of terminal /fuse as per location diagram plan and technical specification with drilling of holes on either side of terminals /fuses and other places as required forcable conductor/wires entry and fixing of sheets.

Complete indoor wiring by Running of Indoor cables and carrying out jumpering as 38 per approved circuit diagram at station including Fixing of relays & relay groups on relay racks & bases on anodised bar/relay base supporting strips, Soldering of tag block etc. as per Technical Specifications.

Carrying out relay alteration to the existing relay wiring at relay rack/location box as per the approved circuit diagram. These works include the releasing of existing unused wires and 39 wiring the relays using 16/0.2 mm copper wire as per RDSO Spec. Wire to be procured from RDSO's approved source. 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. 1037922.1

SOR ITEM NO. 050300 : Inter connection wiring with ladder arrangement from control panel/CLS Panel to IPS to relay rack, battery & CTR as per Technical Specification. ( All wires to be supplied by Contractor)

SOR ITEM NO:080100 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) RDSO/SPN/199/2025 Rev 1.2 with Amendment 1, or latest.

SOR ITEM NO.:080400. Supply of Colout Light Signal Unit complete, FRP TYPE to Drg. no. IRS:S-26/64 ver.1.0 or latest, SA 23003 A/M (Adv.) or latest without CLS transformers, lenses, lamps, lamp holders.

SOR ITEM NO.:080800 Assembling, erection, installation, taking of cable inside unit 47 through post, termination and wiring of CLS complete with all accessories of CLS unit, post, base, ladder, ladder guards, platform and MS supporting bracket in the middle of the ladder, hoods, pinacles, offset brackets, Junction/stencil type route indicators (if any) - 1 way to 6 way, etc. including fixing & wiring of LED units lamps with contractor's wiring material as per RE requirement.

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 Authority : Consignee.

Supply and installation of Goods Warning Board as per Drg. No. SA 2380(ADV) or 49 latest with retro- reflective Strips/reflective paper, making foundation as per latest drawing of CSTE/NFR complete with contractor' material including angle for erection, supply and painting the board & post as per approved colour scheme complete installation as per Technical specifications. Inspection Authority : Consignee.

Supply and Installation of Stop Board or Calling On Board, BSLB or other boards with 50 retro-reflective Strips/reflective paper, making foundation, complete with contractor' material, supply and painting the board & post as per approved colour scheme complete installation as per Technical specifications. Inspection Authority : Consignee.

Fabrication, supply and fixing of P, C, A, G, R, AG etc. marker disk painted and 51 lettered with enameled paint of approved colours, on signals, conforming to RDSO Drg. No.SA - 23456, as per standard practice and Technical Specifications, with contractor's complete material including fixing clamps. Inspection Authority : Consignee.

Supply of Electrically Operated Lifting Barrier complete set suitable for 110V AC & motorized boom locking arrangements as per RDSO Spec. SPN/208/2012 with latest amendment or latest as per Technical Specifications. Inspection Authority : RDSO.

Installation, wiring, testing and commissioning of electrically operated lifting barrier, 54 complete with Casting of cement concrete foundation (including supply of sand, stone, cement, bolt, plate etc.) for pedestal and boom rest post, cabling, power supply connection & wiring with complete outdoor work as per approved drawing, wiring etc.

Supply of Dual Tone Bell /Buzzer with Flasher arrangement and 25-Watt horn and 15 watt amplifier working on 24 V DC/ 110 V AC for warning road users at LC gates. Inspection Authority : Consignee.

32 feet new octagonal boom in 4 sections as per RDSO approved Drawing No. RDSO/S/11600 as per Technical Specification. Inspection Authority : Consignee.

Supply, Installation and wiring of Gate indication cum operating panel(domino type) along with supply and installation of necessary fabricated iron frame at required height at gate 57 goomty and also all electrical wiring/inter connection of EKT,hooter etc. as per approved circuit diagram. This also includes dismantling of existing gate panel and deposit the released gears to railway godown and carrying of new gate panels from railway godown to work site. Inspection Authority : RDSO.

Supply of sliding type LC Gate complete set as per technical Specification. Inspection Authority : Consignee.

Installation of Sliding type LC gate on concrete foundation with complete wiring as per technical specification.

Supply o f Electrical key transmitter rotary type a s per IRS-S- 21/2001 Rev.1 , Drg. no.SA-22601 Alt. 4 with the key and of the Ward No. as per approved signalling plan or as per instruction of Engineer-in-charge. Inspection Authority : RDSO.

Installation of 'EKT' in gate goomty and wiring with gate, etc as per Technical specifications.

Dismantling of released materials and transportation along with surplus materials up to consignee's Godown by Truck of min 10-ton capacity including loading & unloading.

Taking all types of cables inside LC Gate hut, location boxes and junction boxes etc. and sealing of cable entry pit etc. as per Technical specifications, complete with contractor's material.

Supply of Medium class GI pipes 80 mm dia (4 mm thickness) as per IS 1239 (Part 1): 64 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 Authority : Consignee.

Laying & Fixing of Medium class GI pipes 50/80/100 mm dia as per IS 1239 (Part 1): 65 2004 with socket & coupling, nuts, bolts, MS angle, MS Flat etc. 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 as required to protect the cables from sharp edges and sudden bends.

Supply of HDPE DWC pipe of size 90/76 mm dia nominal - as per RDSO Specification 66 No.RDSO/SPN/204/2011 version 1.1 Amd. 1 or latest TEC specification No. with Anti Rodent and Anti- flammable property - along with socket, coupler etc. - as per technical specification and as approved by Engineer-in-charge. Inspection Authority : Consignee.

Excavation of trenches in all types of soils including soft rock as per including cutting and clearing of bushes and roots of trees etc., upto a depth of 1.2 Mtrs and width of 0.3 Mtrs at the 67 bottom in the entire section, back filling and ramming of the soil in trenches to original level. The work shall be executed as per technical specification. NOTE: Proportionate payment against the work executed by the contractor will be arranged where digging of trench upto 1.2 mtr depth is not possible due to water seepage inside the trench, this has to be confirmed by the railway representative present at site and should be recorded in the field book.

All works of Excavation of cable trench 1.0 M deep , 0.3 mtr wide on pucca platform/Pucca Road and placing of GI pipe, and restoration of the platform /Road surface to the original condition after cable laying and refilling the trench. Necessary materials e.g. GI pipe, 68 cement, sand, stonechips, mortar have to be supplied by the contractor.The work should be done as per specification. NOTE : Proportionate payment against the work executed by the contractor will be arranged where digging of trench upto 1.0 mtr depth is not possible due to water seepage inside the trench, this has to be confirmed by the railway representative present at site and should be recorded in the field book.

Excavation of trench to a depth of 1 Mtr. for track crossing of cables, laying of DWC/ RCC pipes with collar/coupling, refilling of trench by ramming and consolidating it as per the 69 instructions of Railway representative at site. During excavation of trench it has to be ensured that the excavated soil does not mix with the ballast available. The depth of 1m trench shall be from the bottom of sleepers for track crossings. Laying of cables is not included in this schedule. (Supply of DWC/RCC pipes with couplers/ collars is not included in this schedule).

SOR ITEM NO.120400 : Transportation of HDD machine with accessories including 71 handling of stores materials, supply of HDPE/DWC pipe of various sizes as per instruction of Engineer in Charge, preparation of site ,entry and exit pit (1mX1mX1m) and boring for placing of HDPE Silicore duct/DWC of various dia size as per instruction of site engineer for 6Quad Cable/OFC cable/other cables for crossing Track/PuccaRoad/Congested area. Boring trench shall be minimum 3 (three) meter below the river bed/Track and 1(one) meter below the road/pucca road crossing area.Track/Road includes supply of accessories for pulling HDPE pipe. All other petty materials with earthwork, jointing of duct is to be done by Contractor.

Laying of underground signalling/ power/telecom cables of various sizes in trench, at bridges in pipes, in road crossing, platforms & across the track through GI/DWC/HDPE pipe as per Technical Specifications.

Transportation of S&T material leading up to 1 Km including Loading from Starting point, unloading & Stacking at destination.The work is to be done as per the instructions of Railway Representative at site. Consignee will also provide gate pass / road permit to the transporter.

Extra for each additional 1 Km or part thereof.

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

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 76 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. (Per Cu. Mtr = Cu. Mtr)

Supply of smart Electronic RFID cable marker with capability of saving the user 77 specific data inside the marker memory chip, (Data storageup to 256 bits) later readable by locator during locating floating coil to keep detection circuit always horizontal for better detection).Make: 3M Model 1401-XR or similar/superior.Item to be supplied after successful demonstration and Approval of Railway. Inspection Authority : Consignee.

Jointing of 4 / 6 quad /Signaling cable with Heat Shrinkable straight through Jointing 78 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.

Supply and installation of maintenance free earth as per RDSO Specs. No 79 RDSO/SPN/197 Ver.1.0 or latest and conforming to RDSO Drg. No. SDO / RDSO/ E&B/001 or Latest, TAN 3006 ver. 3.1 or Latest as per Technical Specification. Necessary testing certificate of UL, IEC to be produced. Inspection Authority : RDSO.

Copper tape 25 X 3 mm for interconnection of earth electrode or making equipotential bus bar etc. Inspection Authority : Consignee.

Supply of MS Flat of size 35mm x 6mm for perimetric earthing as per SEM and CSTE/NFR's Drawing No.SK/21/00071 or latest. Inspection Authority : Consignee.

Supply of Digital Multimeter of Fluke 287 Industrial or Similar/ superior True RMS with 82 temperature, Analog bar graph, Digital display, Backlight, 1000V AC/DC, measure up to 10A, 20A for up to 30 second. Item to be supplied after successful demonstration and Approval of Railway. Inspection Authority : Consignee.

Supply of electronic Cable route tracer/locator with underground cable and pipe 83 locating receiver, RFID marker locator with GPS tagging and cable avoidance tool that provide location of armored 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 Authority : Consignee.

Complete painting, varnishing, lettering, numbering of all gears at Engineering Interlocked LC Gate as per SEM and instruction of Railway Engineer as per Technical Specification.

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

Supply of Office table with laminated top with three drawers on left hand side and one locker on the right-hand side. Olive brown with duplicate keys. Make: Godrej Model T-9 (136.5 cmX68cmX 75cm) or Similar of reputed brand. Inspection Authority : 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 Authority : Consignee.

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 Authority : Consignee.

Contactor Unit (QBCA1 Type), 24 V DC, 2F(HD)/4B or 2F(HD)2F-4B complete with 89 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 Authority : RDSO.

Supply o f Automatic Media changeover system o f Modem working o n redundant 90 channel for data transmission on OFC/Quad/ microwave radio, for seamless operation of UFSBI over multiple media ( compatible to existing system as per direction of Railway incharge of work ). Item to be supplied after successful demonstration and Approval of Railway. Inspection Authority : Consignee.

Supply of Non detoriating type low voltage cartridge electric fuse 6/10Amps with cyndrical head end cap as per Spec No. IRS/S/78 /92 with latest amendments . (6A=400 Nos). Inspection Authority : RDSO.

Supply of Limit Switch Set for boom lock proving. The material will be a s per RDSO 92 Specn. No.RDSO/ SPN/208/2012/Ver.2.0 and Amendment 1 or latest. Model : JO2 TPRA 2NO+2NC, make :Jai Balaji or superior compatible to existing ELB and to be procured as per direction of Railway Engineer inchrge of work. Inspection Authority : Consignee.

Supply, Installation, Testing & Commissioning of Networkable type Microprocessor based intelligent Addressable, Fire Alarm Control Panel (FACP) with LCD Display complying to RDSO spec.No. RDSO/SPN/217/2025 Version -3.1 or Latest. The panel should have inbuilt TCP/IP communication for Panel Program and Remote Monitoring option through LAN or WAN communication. It should have GSM interface for SMS generation. The panel shall be able to give location of all fire and More Fire/fault and isolation conditions of addressable units via the address codes.The panel shall have the capacity of storing upto a minimum of 512 fire events and other 93 events. Further the panel must be able to automatically switch ON/OFF respective control module whenever any alarm is triggered. The panel should have in built common Alarm, Fault and monitored sounder output. The panel shall have a LCD/LED display and alphanumeric keyboard and analog output, external/inbuilt printer to log all fire or fault events complelte in all respects. The Panel should have protection category of IP30. Also the panel should have the option to operate in manned and unmanned mode.The control panel shall have inbuilt charging facility for DC battery backup for at least 24 hours for operating the system at quotient load and then 15 minute under fire or emergency condition at maximum connected load (Cl. 10.6.7.2.1.2 of NFPA 72 Edition 2016), The Panel Shall be approved by UL or FM or Vds or LPCB and as per Technical Specification. Inspection Authority : RDSO.

Supply, Installation, Testing & Commissioning of intelligent Analogue Addressable Multi-Sensor type smoke detector with inbuilt fault isolator and integral response indicator with 360 94 degree viewing angle. Detector shall communicate 3 danger levels for differentiated alarm activation and high tolerance to dust, dirt, temperature fluctuations and air current. Detector should have unique address for communication and assigned through panel with mounting base as required with the protection category of IP 40. All items as per RDSO Specification No. RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

Supply, Installation, Testing & Commissioning of intelligent Addressable Loop Powered Sounder cum beacon with base inbuilt fault isolator with protection category of IP42 and duly approved as per RDSO Specification No. RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

Supply, Installation, Testing & Commissioning of Analogue Addressable Manual Call Point with integral short circuit isolator, inbuild fault isolator suitable for wall or surface mounting, 96 have protection category of IP44, Analogue addressable protocol having status LED for alarming & standby mode, electronically addressed), call point shall include test key feature without removing the glass as per RDSO Specification No.RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

SITC of Addressable input/output module with inbuilt isolator and shall have the LED 97 indication for Normal, Fault test and activation. The module shall have the option for configuration as fall safe operation and duly approved and as per RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

Supply, Installation, Testing & Commissioning of Air Sampling Type detector shall use LASER type. This type of detector shall use piping or tubing distribution network that shall run from 98 the detector to the area as to be protected. It should be supplied with required module & Power supply unit complete as a system with all accessories like pipes, Sampling points etc. as per RDSO Specification No. RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

Supply and Installation of Linear Heat Sensing (LHS) cable as per RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

Supply, Installation, Testing & Commissioning of LHS interface module as per RDSO Specification No. RDSO/SPN/217/2025 Version -3.1 or latest and as per Technical Specification. Inspection Authority : RDSO.

Supply of External RS232 to OFC converter for DL to connect with RTU suitable to Efftronics make.Item to be supplied after successful demonstration and Approval of Railway. Inspection Authority : Consignee.

Supply of Permanently lubricated HDPE pipe/duct of size 33/40 mm nominal - alongwith socket(color-orange) - as per RDSO Specification No RDSO/ SPN/ TC/45/ 2013 Rev 2.0. with latest amendment. Inspection Authority : Consignee.

Jointing, terminating & splicing of 24/48 fiber optic fiber cable and fixing of 115 termination 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.

Excavation of OFC pit for cable jointing of size 1.5m x 1.5m x 1.2 m for all type of 116 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.

Supply of optic fiber splice closure (24/48 fiber) as per tec. Specification no. G/OJC- 02/01, March'99 with latest amendment or latest including all miscellaneous items and consumables for fiber splicing. Inspection Authority : Consignee.

Supply of Medium class GI pipes 50 mm dia (3.6 mm thickness) as per IS 1239 (Part 118 1): 2004 for use in ASM room and at any other location as decided by Site Engineer. It includes supply of all material required for fixing arrangement. At the ends of GI pipe, flexible/corrugated HDPE pipe will be provided by contractor to protect cables from sharp edges and sudden bends. Inspection Authority : Consignee.

Laying & Fixing of Medium class GI pipes 50/80/100 mm dia as per IS 1239 (Part 1): 2004 with socket & coupling, nuts, bolts, MS angle, MS Flat etc. 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 as required to protect the cables from sharp edges and sudden bends.

Protection work of cable over boulder pitched / high cutting area, culvert, in yard, rocky,congested / residential area using HDPE pipe and covering it making continuous square block 120 of 1:2:3 massionary work as per site condition.Minimum 10 cm layer of concrete to be made and then covered with soil. Minimum depth of concreted portion to be maintained at 500 mm from ground level. All required materials i.e. HDPE pipe,cement, sand, aggregate, etc.will be supplied by thecontractor.

Laying of HDPE pipe/duct of various sizes in trenches and protective works including blowing/pulling of mono-mode armored OFC cable (24/48 fibers) through duct in trenches and as 121 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.

Supply and Installation of FMS (SC- APC Type) (12 Fiber on each side) and all accessories required for installation including splicing of Fiber. Inspection Authority : Consignee.

Supply of 12 Core metal strengthened outdoor unarmored optic fibre cable (ITUTG- 652-D) and all the accessories required for installation. Inspection Authority : Consignee.

Item Breakup - A-Schedule of works.

1.00 2670771.87 up to 20 routes. Alteration Total 14748403.45 SOR ITEM NO. 041100 : Supply of Disconnect Terminal Block, Screw less type, as per RDSO Spec. Item- 30 No. RDSO/SPN/189/2004 Ver. 3 orlatest (Modular Terminal Blocks, Fuse Terminal Blocks &Miniature fuse link of international standard for Railway signalling) With latest amendments. S No. Item Description of Item Unit Qty Rate Amount No

10.00 as per site requirement. Inspection Authority : RDSO.

1700.00 width as per site requirement. Inspection Authority : RDSO.

340.00 7.5mm, 1mm/0.039 in thickness un-slotted type as per site requirement. Inspection Authority : RDSO.

strip. Authority : RDSO. ALIPURDUAR DIVISION-S AND T/N F RLY

55.00 screw less type, 4-wire front entry (Two in- put & Two out-put) The color will be decided by Engineer - in - Charge. (Preferably In Blue, Red & Grey Colors in the ratio of 1:2:3) . Inspection Authority : RDSO. Total 1154021.20 SOR ITEM NO. 110300 : Supply & fixing of Hylam sheet 10mm thick of various size of minimum grade P2/P3 on apparatuscase/Location boxes for wiring of signaling circuit and cable termination, fixing on suitable size contractors angle with string rod for supporting cable on back side including Item- 37 fixing of all types of terminal /fuse as per location diagram plan and technical specification with drilling of holes on either side of terminals /fuses and other places as required forcable conductor/wires entry and fixing of sheets. S No. Item Description of Item Unit Qty Rate Amount No

68.00 Authority : Consignee. Total 216571.16 SOR ITEM NO. 050300 : Inter connection wiring with ladder arrangement from control panel/CLS Item- 41 Panel to IPS to relay rack, battery & CTR as per Technical Specification. ( All wires to be supplied by Contractor) S No. Item Description of Item Unit Qty Rate Amount No

Numbers Total 622067.23 SOR ITEM NO:080100 Supply of LED signal lamps for Main color light Signal, 110V AC retrofittable Item- 43 in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) RDSO/SPN/199/2025 Rev 1.2 with Amendment 1, or latest. S No. Item Description of Item Unit Qty Rate Amount No

Aspect. RDSO. Total 2671074.00 SOR ITEM NO.:080400. Supply of Colout Light Signal Unit complete, FRP TYPE to Drg. no. IRS:S- Item- 45 26/64 ver.1.0 or latest, SA 23003 A/M (Adv.) or latest without CLS transformers, lenses, lamps, lamp holders. S No. Item Description of Item Unit Qty Rate Amount No

Numbers Total 4538751.69 SOR ITEM NO.:080800 Assembling, erection, installation, taking of cable inside unit through post, termination and wiring of CLS complete with all accessories of CLS unit, post, base, ladder, ladder Item- 47 guards, platform and MS supporting bracket in the middle of the ladder, hoods, pinacles, offset brackets, Junction/stencil type route indicators (if any) - 1 way to 6 way, etc. including fixing & wiring of LED units lamps with contractor's wiring material as per RE requirement. S No. Item Description of Item Unit Qty Rate Amount No

Numbers Total 1059324.82 ALIPURDUAR DIVISION-S AND T/N F RLY SOR ITEM NO.120400 : Transportation of HDD machine with accessories including handling of stores materials, supply of HDPE/DWC pipe of various sizes as per instruction of Engineer in Charge, preparation of site ,entry and exit pit (1mX1mX1m) and boring for placing of HDPE Silicore duct/DWC of various dia size as per instruction of site engineer for 6Quad Cable/OFC cable/other Item- 71 cables for crossing Track/PuccaRoad/Congested area. Boring trench shall be minimum 3 (three) meter below the river bed/Track and 1(one) meter below the road/pucca road crossing area.Track/Road includes supply of accessories for pulling HDPE pipe. All other petty materials with earthwork, jointing of duct is to be done by Contractor. S No. Item Description of Item Unit Qty Rate Amount No

Metre Total 12869952.00