Gankar - Provision of 2nd detection at GANKAR (GALE) for reliability improvement.

Item Breakup - A-Track Circuit equipment

Supply, Installation, wiring, testing and commissioning Per of Multi Section Digital Axle Counter (Detection points Detection and Evaluators as per the Scheme) along with Toolkit, as Point (DP) per RDSO Specification No. RDSO/SPN/176/2013, Ver.3 or latest and as per Annexure-A. The warranty of the equipment shall be 2 YEARS from the date of commissioning. Inspn:- RDSO Note:- (1) Scheme of Main/Redundant (dual) Evaluators with approximate number of DPs connected shall be enclosed for each location of Evaluators. (2) Installation, wiring, testing and commissioning of MSDAC as per RDSO TAN/Guidelines and Annexure-B.

Supply of Track Lead Junction Box (TLJB) made from FRP Numbers material including brass bolts and hylam board sheet with 4 terminals as per ER drawing no- SI/TYP/0096 & ER Technical circular policy no-118 (Modified). Inspn:- RITES / CONSIGNEE The technical specifications of TLJB are as follows: (a) TLJB complete with cover to be in black/red having approximate weight of 4.0 Kg. with L- 262 mm. W-212 mm. and H-90 mm. and all the holes required for mounting on FRP stump (vertical two for each FRP angle) HDPE pipe , cable etc. (b) Each TLJB shall have two bakelite terminal block fitted horizontally: each bakelite terminal block shall have two nickel chrome plate M10 brass terminal, 50 mm. long. Along with each TLJB, nickel chrome plated brass links (two nos. of adequate strength for vertical linking of the terminals to be supplied. (c) HDPE pipe of size 32/35 mm., 380 mm. long, along with two nuts for fixing on the TLJB hole . (d) The FRP stump for mounting the TLJB to be made of one meter long 30 mm. X 30 mm. X 4 mm. angle (2 nos.) and 300 mm. long 30 mm. X 30 mm. X 4 mm. angle (1 no.) fixed at 50 mm. from the bottom using galvanised nuts and bolts. The TLJB and the angles for stump should come along with holes on them for fixing using galvanised nuts and bolts of adequate strength to be supplied along with TLJB.

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

Supply of Cable Clamp Assembly for sleeper ( Numbers Galvanised) for dressing of Jumpers crossing the Rail. As per the drawing attached in the Annexure-C. Inspn:- CONSIGNEE MALDA DIVISION-S AND T/EASTERN RLY

Supply of 40 mm. dia. permanently lubricated HDPE Kilometre telecom: ducts (with chord) as per RDSO Spec. No. RDSO/SPN/TC/45/2013 Rev.2.0 with latest amendments or Latest in length of 1000 mtrs./roll For each km. of HDPE duct following items are to be supplied (a) end plugs-2 nos. (b) cable sealing plugs - 2 nos. (c) plastic couplers slip fit/push fit type-2 nos. (d) end plugs to be provided along with drum 2 nos. Color to be specified by Railways. Inspn: Consignee

Fixing of Cable Clamp Assembly with Sleeper along with Numbers placing of HDPE Pipe and fixing of Jumper ( Track, MSDAC etc.). This work includes Preparation of jumper, placing through HDPE pipe, proper termination of jumper in TLJB and rail along with required drilling in rail. Note:- i) No. in the Unit column indicates per Sleeper ) ii) Two or three Clamps in each sleeper. iii) Jumper cable will be supplied by railway.

Supply of Adjustable Track Feed Resistance 30 Ohms Numbers (Disc Type) as per RDSO Drg. No. SA-20161-66/M or latest. To be procured from RDSO Approved sources. Inspection: RDSO.

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

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

Supply of BLEA (Block Input Output) Card for Siemens Numbers make MSDAC as per RDSO Spec.no: RDSO/ SPN/ 176/ 2013, Version 3.0 or latest. Inspection: RDSO.

Supply of Generator module for Siemens make MSDAC Numbers as per RDSO Spec.no: RDSO/SPN/176/2013, Version 3.0 or latest. Inspection: RDSO.

Supply of VESBA card for Siemens make MSDAC as per Numbers RDSO Spec.no: RDSO/SPN/176/2013, Version 3.0 or latest. Inspection: RDSO. Total 19493704.40

Item Breakup - B-Relay Rack, Cable termination Rack, Relays

Supply of Relay Rack as per DRG.NO.S&T/C-20/2001 Numbers with modification vide CSTE/ER'S LETTER NO.SG.42/9, DT.15/3/2016 to accommodate 100 relays complete with fittings. Inspn:- CONSIGNEE

Installation of Relay Rack Assembly including IDF pillars Numbers 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 ER & the instructions of Rly engineer at site.

Supply of Cable termination Racks (CTR) as per Drawing Numbers No. ER DRG.NO. S&T/C-19/2001 or latest and must be powder coated of stone grey color. Inspn:- CONSIGNEE

Execution, Installation of Cable Termination Rack. Fixing Numbers & installation of CTR (Rack erection, tripod, insulation bush, supporting angles, grouting, fixing of hylam sheet, fixing of required terminals and fuses, holes on Hylam sheet for wiring. Hylam sheet, terminal, fuses will be supplied by Railways.

Supply of PBT ARA terminal 6 WAY 25 mm., Numbers DRG.NO.23756, ALT-3. as per IRS Spec. No. IRS:S- 75/2006 (Rev.2.) or latest. Material to be procured from RDSO's approved firm only. Inspn:- RDSO

Supply of Non deteriorating type FUSE as per Spec No. Numbers IRS:S-78/2006 with latest amendments rating (2A/6A/10A/16A/20A) type, cylindrical. Inspn:- RDSO

Supply of fuse BASE (PBT) to Spec. No. IRS-S-78/2006 or Numbers latest, Drg. No. SA-23748 with fuse inserts cartridge, non-deteriorating type to Spec. No. IRS:S:78/2006 with latest amendment, to be mounted inside the location box on the hylam sheet. Inspn:- RDSO MALDA DIVISION-S AND T/EASTERN RLY

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

Supply of Aluminum Step ladder of 5 feet height of Numbers Bathla make or similar. Inspection: Consignee

Supply of Tag block 200 way/160 way with PVC covers Numbers as per IRS:S-77/2006 (Rev.1) or latest & Drg. No. SA- 24751 & 52. Requirement of each type shall be specified by Engineer-in-charge. NOTE: In case ABB type relays are proposed to be used with 100 way block then Two 100 way Tag Block will be considered as one 200 way Tag Block. Inspn:- RDSO

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

Supply of Tinned Copper LUGs for fitting Cable Size: 10 Numbers Sq.mm., Barrel Inner Dia: 4.7 mm., Barrel Outer Dia: 7.10 mm., Barrel Length: 10mm., Stud Hole Center Dia: 9.9 mm., Palm Width: 12.6 mm., Thickness: 1.8 mm., Lug Length: 27 mm., Thimble Type : Ring. Inspection: Consignee.

Supply of Tinned Copper LUGs for fitting in Cable Size : Numbers 16 Sq.mm., Barrel Inner Dia: 6.4 mm., Barrel Outer Dia 8.0 mm., Barrel Length: 12.2 mm., Stud Hole Center Dia: 10 mm., Palm Width: 12.6 mm., Thickness: 1.8 mm., Lug Length: 28-30 mm., Thimble Type: Ring. Inspection: Consignee.

Supply of Tinned Copper LUGs for fitting in Cable Size : Numbers 35 sq. mm., Barrel Inner Dia :13 mm., Barrel Outer Dia: 17 mm., Barrel Length: 12.2 mm., Stud Hole Center Dia: 10 mm., Palm Width: 12.6 mm., Thickness: 1.8 mm., Lug Length: 28-30 mm., Thimble Type: Ring. Inspection: Consignee. Total 1334419.00

Item Breakup - C-Power Supply arrangement/alteration, Earthing

Supply of IPS DC-DC converter 24-32V DC, 5 Amp/10 Numbers Amp or 60-66 V DC, 5 Amp or 60-100V DC,1 Amp/3 Amp/5 Amp as per Specification No. RDSO/SPN/165/2023 (Ver.4.0) Amdt.1 or latest. RDSO approved make, compatible for the IPS make specified by Purchaser. Inspection: RDSO.

Supply of earth electrode (GI PIPE) as per CSTE/ER's Numbers (Drg. No. SI/TYP/0097 dated 25.03.25). Inspection: Consignee.

Supply of MS FLAT (Spec. No.226 STD or latest) of size Metre 35 mm. x 6 mm. as per CSTE/ER'S DRG. NO. S&T-1/2007 (or latest). (STANDARD MINIMUM LENGTH OF 5M OR MULTIPLE OF 5M) Inspection: Consignee. MALDA DIVISION-S AND T/EASTERN RLY

Fixing of earth electrode including laying and Numbers installation of MS flat of size 35 mm. x 6 mm. with length 5 mtr. or as per extant practice of Eastern Railway. As per PCSTE/ER's Drg. No. SI/TYP/0097 dated 25.03.2025 or latest. For apparatus cases, signal post & other equipment as per instruction of site engineer. Provision for fixing MS flat at apparatus cases/ signal post/other equipment should be made by the firm at site. Where required necessary holes to be drilled on the MS Flat. Full threaded bolts of 10 mm. dia. and length 40 mm should be welded in the apparatus cases in such a way that the MS flat at the apparatus case end can be fixed from outside or from inside (bolts of 10 mm. dia. and length 40 mm. should be supplied by the contractor). Welding arrangement with accessories and welding materials should be arranged by the contractor for fixing of bolts at equipment end where required as per instruction of site engineer. All hardware and other miscellaneous materials required for installation to be supplied by the contractor except earth electrodes and MS flat. Sig. Cable as provided by Railway is also to be laid and terminated on Earth Electrode and to GI Wire/GI Flat in Location Box.

Provision of cement concrete enclosure for earth Numbers electrodes as per CSTE/ER's (Drg. No. SI/TYP/0097 dated 25.03.25). Inspection: Consignee.

Supply of lightning and surge arrestors of Class B & C Set suitable for single phase supply in TT network as per specification RDSO/SPN/165/2023 Ver.4.0 Amd-1 or latest and as Both B & C to be from the same OEM recommended by RDSO letter No. STS/E/IPS/GENL dated 27/01/2006 (Amendment.5). Inspection: RDSO Total 1437400.00

Item Breakup - D-Trenching & Cable Laying

Excavation of trench at a of Depth of 1200 mm. and Kilometre width of 300 mm., including marking of cable alignment, clearing of jungle, roots of trees, bushes, refilling with excavated soil, ramming and consolidation after laying of cables complete to the finished item of work in all type of Soil. NOTE: In case 1.2 m. depth of the trench is not achievable due to site conditions approval of officer in charge is to be obtained and payment shall be made on a prorate basis.

Laying of S&T Cables of various cores/pairs/quads in Metre trenches/GI pipes/RCC pipes/DWC pipes/Trunking.

Trenching under Rails for crossing the track (Track Metre Crossing) and refilling of trenches. The track crossing shall be done at right angles. The depth of the cable trench shall be 1.2 meter below the rail flange. The ballast shall be stacked separately while making the trench and the earth soil shall be stacked separately. While re-filling the trench, the earth soil has to be filled first to the ground level and the ballast has to be properly put in the track. This work has to be done under supervision of the supervisor of S&T.

Cutting of platform surface (tile/slab/concrete) for a Metre depth of 20 cm. & width of 10 cm. & refilling /reconditioning/ repairing the platform after laying pipe & cable. Cutting should be done with marble cutting machine in proper manner & restore the same as before in such a manner that the aesthetic of PF is not disturbed.

Cement concrete work for miscellaneous items in the cum ratio 1:3:6. Items include ramming, curing and plastering with cement & sand mixture (aggregate not exceeding 3.8 cm.) (Aggregate cement & sand to be supplied by the contractor). MALDA DIVISION-S AND T/EASTERN RLY

Arranging of HDD machine with accessories including Metre handling/laying of Pipes and preparation of site and boring (boring size upto 175 mm.) at track crossing/ pucca road crossing, boring trench shall be minimum 01(one) meter below the track/road/pucca road crossing area. Required pipes shall be supplied by Railways. Payment shall be made after laying of required cables & sealing/plugging of vacant pipes. Note: This shall be used only for track crossing/pucca road crossing. Total 4196627.00

Item Breakup - E-Apparatus Case

Supply of full size apparatus case (GKP type) (as per Numbers Drawing No. SW SK NO. 4/90 & other applicable GKP SW Drawing). This includes supply of a location box (GKP type) with 'E' type lock & key, fitted on the 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. SA-3377 as per RDSO Drawing No. S- 11500. Inspn:-Consignee.

Casting, concreting and curing of concrete foundation Numbers (in ratio 1:3:6), erection and installation of full size apparatus case as per Drg. No. S&T/C-6/98(NKG). This includes the cost of all materials required for fixing holding down bolts, casting, concreting. Note: Bolts, nuts and washers, bitumen compound to be supplied by contractor and bitumen compound to be used in between apparatus case and foundation. This also includes the bottom of apparatus cases filled with sand and the outside covered with masonry work and neat cement plastering. Note: Painting the apparatus case inside and outside with one coat of red oxide, two coats of aluminium paints outside and white paint inside.

Fixing by slotted angle, wiring of terminal strips, hylam Numbers strip, relays, fuses with base, fixing of HDHMR shelves for full size apparatus case with Termination & Earthing of cables and wiring with lettering both inside and outside as required including supply of slotted angles, ferrules for marking and miscellaneous materials per location to be supplied by contractor (all materials except Wires, relay, terminal strips, Bakelite strip, fuses with base and HDHMR shelves to be supplied by the contractor). It includes letter painting both inside and outside as per ER practice. NB- Multi strand cables and power cable to be terminated with proper lugs and required buss bar etc. to be supplied by the contractor. Inspn:-Consignee.

Supply of HDHMR (High Density, High Moisture Numbers Resistance) Shelf for Full Location Box Size 950 x 400 x 25 mm. Inspn:-Consignee.

Supply of Phenolic laminated Sheet/Hylam sheet, grade Numbers P3 in standard size of 1220 X 1220 x 10 mm. as per Spec. No. IS 2036 of 1995 or latest. Test report of manufacture to be supplied. Inspn:-Consignee.

Strengthening of foundations of signals, Full/Half Sqm location boxes up to a height of 30 cm, by carrying out the earth work around the foundation, ramming of the earth, carry out masonry work from bottom of earth work using country stones and cement masonry to prevent the earth from slipping down the bank.

Supply of Fencing frame for ring earth area, location box Metre and other S&T premises. (Height of fence would be of 1.5 m) Inspn:-Consignee. MALDA DIVISION-S AND T/EASTERN RLY

Fixing of fence around the ring earth area/location Metre boxes and other miscellaneous works to be executed. This job includes cutting and welding of MS Grill, drilling, cement concreting. This work to be executed in one ring earth area as per the instruction of railway site engineer(s). All the materials (i.e. sand, cement, stone chip etc.) & manpower to be supplied & provided by the contractor except MS Grill fence. As per 'Typical fencing for earthing S&T installation' Annexure-III (c) of document No. RDSOSig0SPD(PROJ)/1/2020 Ver.0.0 Dtd.01/01/25. Note: Per foundation of the fence would be of 250 mm. X 250 mm. with 300 mm. minimum depth. Total 834405.00

Item Breakup - F-FACS

Supply of Fuse Auto Changeover system of various Numbers types of fuses with audio visual indication as per specification RDSO/SPN/209/2012 Ver.2.0 or latest. One module shall be able to cater for 32 numbers of fuses. Inspection: RDSO.

Installation, testing & commissioning of Fuse Auto Numbers Change Over System type-I / II along with audio visual indication as per RDSO spec. No. RDSO/SPN/209/2012 Ver.2.0 or latest. Total 474270.00

Item Breakup - G-Data Logger Upgradation & connectivity

Modification/upgradation, validation and alteration of Set data logger as per site engineer. This includes changes of NMDL software etc. Also data logger to be interfaced with PI/ EI equipment kept at the 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. Note - Wire to be procured from RDSO approved firms.

Supply of 8/6 Port ( 100/10 base T) Ethernet Interface Numbers card for SDH ADM STM-4 as defined in technical Specification for STM4 TJ 1400. Inspn:-Consignee.

Supply of FR CAT-6 UTP Cable suitable for 10BASE- Metre T/100BASETX/and 1000BASE-T(Gigabit Ethernet). Make: DLINK/ AMP/ Avaya/Krone/ Bestnet/Aambernet. Inspn:- Consignee.

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

Supply PVC Consignee.

Execution/fixing of PVC conduit pipe of 50 mm. dia. on Metre wall/Shed including supply of all fixing materials & accessories by contractor. Returning the left over material to the railway store. Total 371622.08

Item Breakup - H-Design of circuits

Design of circuits in connection with preparation of Station wiring diagrams as per approved Signalling Plan and submission of indoor as well as outdoor completion documents. It includes Route Section Plan (RSP), Selection Table (ST), Locking Table (LT) and Control Panel Diagram (CPD)/VDU Diagram. Two copies of prints with soft copy will be submitted to Railway for checking. If alterations are suggested/proposed by Railways then again two copies of prints will be submitted for advance approval after carrying out all the alterations as suggested/proposed by the Railways. Tracings will be submitted for all the diagrams mentioned above for the purpose of approval by Railway prior to commissioning of station. All drawings will be prepared in CAD. The wiring diagrams will consist relay rack analysis, relay contact analysis, fuse details. Tag block analysis etc. A separate CDlPen drive will be submitted to Railway for each station along with original tracings. It also includes preparation and supply of laminated one set of all completion plans including circuit diagrams and indoor as well as outdoor completion documents on standard 75- micron polyester film for station in Auto CAD. 6 (Six) sets xerox copies will be submitted for each of the documents mentioned below: Cable Route Plan, Cable Core Chart, Location details plan for all the locations, Cable termination details, Signalling Plan, SWR Diagram, Wiring Diagrams, Selection Table, Locking Table, Contact Analysis, Fuse and Tag Block Analysis of Relay Rack and CT Rack, Control Cum Indication Panel/VDU diagram, Power Panel Diagram, Track Circuit Plan, Rack Erection Plan and Junction Box details etc. Note: Total cost of design and completion documents for a station/yard will be calculated on basis of total possible movements/routes as per Selection Table (ST). Inspn:- Consignee. Total 58797.00

Item Breakup - I-Painting

Complete painting and varnishing work at a station (5/6 Station or more Line). This includes painting of signal posts and fittings, apparatus cases, point machines, junction boxes, rail post etc. This also includes varnishing, letter writing on relays, terminal Nos., apparatus cases, point machine, Signal Nos. and other details as per Signal Engineering Manual and instructions of Engineer at site. The item includes painting of distances of main cable run from G.P nearest to cable run and the painting of distances of S&T gears (Singals, Location boxes etc.) form the railway lines as per SOD and as per instruction of Site Engineer. At least two coats of paint is to be applied besides primary coating of red oxide. This includes supply of paints, varnishes and all other material required for complete painting work at a station. This includes painting on existing functional units also. The painting shall consist of initial red oxide / base paint followed by at least two coat of the paint as per standard painting scheme. This item also includes painting of interlocked gate attached to the station. Location box no. shall be painted on both sides.

Marking of all circuit particulars near terminals on Station terminal board/ rack in apparatus case,junction boxes and nomenclature relays, fuses,equipments as per approved drawing. Total 66304.69

A-Track Circuit equipment

B-Relay Rack, Cable termination Rack, Relays

C-Power Supply arrangement/alteration, Earthing

D-Trenching & Cable Laying

E-Apparatus Case

G-Data Logger Upgradation & connectivity

H-Design of circuits