S&T works in connection with Extension of Line No-4 at Barbil Station.

A-Execution-SOR (Signalling Work) 6658686.00 Below/P

B-Material Supply-SOR (Signalling Work) 1705226.00 Below/P

D-Material Supply (Telecom Work) 305628.00 Below/P

A1-Execution (EI Alteration Work) 4221981.71 Below/P

A2-Execution-Non-SOR (Signalling Work) 594726.80 Below/P

B1-Material Supply-Non-SOR (Signalling Work) 126860.16 Below/P

B2-Execution and Supply (Automatic Fire Detection & Alarm System

Item Breakup - A-Execution-SOR (Signalling Work)

Excavation of trench in all kinds of soils Kilometre including soft rocky area and clearing of roots of trees, rocks, bushes, ballast & reconditioning etc., including bailing out water and disposal of extra soil including back filling with excavated earth and ramming of trenches after cable laying for the following depths and widths as specified in Technical Circular No. 2 of 1988 & 01/2010 issued by CSTE/SER or any other latest guidelines. Note: In case, trenches are other than prescribed depth & width, Proportionate payment shall be released. (i) Depth 1.0 meter, Width 0.3 meter. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Excavation of trench in all kinds of soils Kilometre including soft rocky area and clearing of roots of trees, rocks, bushes, ballast & reconditioning etc., including bailing out water and disposal of extra soil including back filling with excavated earth and ramming of trenches after cable laying for the following depths and widths as specified in Technical Circular No. 2 of 1988 & 01/2010 issued by CSTE/SER or any other latest guidelines. Note: In case, trenches are other than prescribed depth & width, Proportionate payment shall be released. (i) Depth 1.2 meter, Width 0.5 meter.

Laying of S&T Cables (Signal/Quad/Power) in Kilometre the excavated trench to Drawing No. CON/SK/T/5 or latest. Supply and transportation of 'U' clamps, anchoring of cable at every 10 metres interval with 'U' clamp on trench to Drawing No. CSTE/CON /CABLES/81 or latest. Supply, transportation, and placing of cable demarcating led belt to Drawing No. CON/SK/T/6 or latest punched at an interval of 30 metres and wrapped round each cable throughout the cable route and also at every track/Road/ platform crossing as above specified in Technical Circular No. 2/1988 & 01/2010 issued by CSTE/SER or as per latest guidelines and guarding the cables. Collecting empty drums with left over cable and to be returned to the stores of stock holder. Note: Cables will be meggered before & after its laying by contractor under supervision of Railway representative & Contractor will submit their reports.

Transportation of cables in rolls with or without Drum-Km wooden drums (S&T Cables) from concerned store to the site of works. Note: The unit Drum- KM indicates Drum X length of cable in that drum. It doesn't have any significance over the distance it has to be carried for execution of the work.

Execution of Straight joint on Quad cable/ jelly Numbers filled Telecom cable using Thermo- shrink/Universal jointing kit (RTSF). This includes excavation of cable joint pit of size 1.5 m X 1.5 m X 1.2 m for jointing of cables, back filling and ramming after jointing. After jointing, the cable through test such as insulation test, continuity test etc. to be carried out jointly with Railway Engineer. If any defect or any damage is observed during jointing the contractor has to redo the joint free of cost. Note: In case jointing is required to be done in the Location boxes, then 80% payment will be released.

Supply & laying of 300 mm X 100 mm pre- Metre cast/cast in -situ RCC cable ducts including top cover as per RDSO drawing No. SDO/S&T/RCC DUCT/1018/1 & 2, dated 29.5.23 or latest. Note- The rate is inclusive of all type of transportation including labour till it is placed into trenches. The laying of cables shall be paid separately fulfilling the laying procedure as per above drawings. (Inspection by Representative of Sr.DSTE/CKP)

Installation, Wiring, Testing, Validation and Set commissioning of Remote terminal unit(RTU) with 128 Digital & 16 Analog inputs with modem as per Specification No. IRS:S-99/2006 (Amdt-3) or latest. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Mechanised Drilling/Micro Tunnelling under Metre important/ busy metal/concrete road/Railway track and laying of GI pipe including supply (make: TATA/Jindal or better) of min. 75mm inner diameter Grade Medium with Spec. No. IS- 1239, Pt-1, 2004 including supply, Boring and pulling cable upto 110mm dia. at a depth of min. 1 meter as per site condition. This also includes reinstatement of the surface to the original state.

Supply, transportation and fixing of Galvanised Metre Iron Pipe (make: TATA/Jindal or better) with threaded collars (for jointing pipe) of 100 mm nominal bore Specification No. IS: 1239, Pt-1, 2004 thickness 3.6 mm medium grade and fixing on girder bridges as per Drawing No. CON/SK/T/4 or latest including supply and transportation of channel, angle, iron brackets, Steel Nuts and bolts with hole and split pin of proper size for fixing of trough as per above drawings including drawing of cables inside the pipe with masonry work at bridge entry and exit of the Bridge and curing for 72 hours and pipes are to be clamped at min. 1.5 meter apart for S&T Cables. Note: This also includes welding of G.I Pipe & dismantling of released GI Pipe/Trough and released materials should be returned at concerned store. G.I Pipe to be painted with anticorrosive paint with S&T cable to be written on GI pipe. Painting cost included with supply of GI Pipe. (Inspection by Representative of Sr.DSTE/CKP)

Horizontal Drilling by using manual pushing Metre method (also called moling) at minimum depth of 1.5 meter below the formation level of earth as per decision of Engineer in charge. Boring diameter should be atleast 110mm. The ground level shall be considered ignoring the bank height of the bank of the road. Note: DWC/HDPE Pipe Supply is covered under this item. Contactor shall provide all material required for work and adequate nos. of labours for proper laying of cables into the bore. Cable shall be laid cautiously so that it should not get damage due to rough handling & pressure on cable. Payment of boring shall be made only after laying of the cables into DWC/HDPE/GI pipe.

Cement Concrete of proportion 1:3:6 (Cement: cum Sand: Stone chips of 25mm nominal size) for miscellaneous works. It includes excavation, ramming of CC by using vibrator, curing and plastering with cement and sand mixture (aggregate will not exceed beyond 3.8 cm). Note: All materials required for foundation are to be supplied by the contractor. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Transportation, Grouting/Erection, wiring as per Numbers approved wiring diagram on 19" Relay rack/Composite/Q-Series Relay Rack with subsequent alteration. This includes supply of 3/4 X 9" anchor nuts & bolts, washer, D-bracket & 60mm insulator, supply & fixing of M.S. ladder as per requirement for rack to rack connection, on CTR and control panel, fixing of plug boards, relays, terminal blocks, terminals, filter units, tag blocks, fuses, bus bars, shelves, strips, 6mm Hylam sheet of required length for writing terminal description etc., fixing and termination of cables on the relay racks with number embossed ferrules, bunching of cables with PVC tape, earthing of cable armour including painting and lettering. Wiring and testing of complete relay rack accommodating all relays as per wiring diagram. Cement, stone chips & sand as required for mounting to be provided by contractor. All materials such as eyelets, Hylam sheets, ferrules, trough etc., if required for modification of rack shall be supplied by the contractor and to be carried out at site with no extra cost to the Railway.

Transportation, grouting/erection, fixing and Numbers installation of Cable Termination rack (CTR), fixing of MS Wiring ladder from relay rack to CTR, and on to top of the CTR- including supply of 3/6mm Hylam sheet of required size for fixing terminal blocks & writing terminal description, termination of cables, bunching of cables by PVC tape and earthing of cable armours, painting, lettering as required. The contractor shall draft terminal analysis chart on the white bond paper of appropriate size & supply wiring materials like eyelets of sizes, trough, condensers and resistances as per required capacity, HV protection cover with fixing top caps and danger symbol, soldering material of approved quality etc. shall be supplied by the contractor. Cement, stone chips and sand as required for mounting CTR, Sand for filling of cable pit and other required masonry work, Sundry materials such as MS plate/angles, MS wiring ladders as per approved Drawing, , Anchor bolt 5/8" X 9" with nut and washers -4 No., Nickel plated screws 2BA X1" with nuts and washers for fixing Hylam sheet, numbers embossed ferrules 2.5 sq. mm, PVC bunching tapes and buttons, paint synthetic enamel of smoke grey colour for painting, MS clamps with bolts and nuts of sizes, D-bracket and 60mm insulator, for fixing cables, screws of sizes as required shall be supplied by the contractor. Cables should be routed properly through ladder. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Execution of Full Apparatus Case with earth Numbers excavation for pit, concrete foundation, surrounding earth work, erection and installation as per Drawing No. Con/SK/T/8 or latest and wiring to be done as per SEM Drawing No.19-D8 or as per direction of site engineer. Supply and fixing of Hylam sheet strip of appropriate size of 3 mm or 6 mm as required with hole for fixing of terminals, fuse blocks, relay and other accessories for signal/track circuit, termination of cable with number embossed ferrules, bunching of cables with PVC tape, proper soldering of cable armour with earth catenary wire, earthing of cable armour as required. Writing & terminal description including Painting of the apparatus case inside and outside after clearing the surface thoroughly and first coating of anticorrosive paint and subsequent two coats of Aluminium paint outside and red oxide inside and lettering etc. This also includes transportation of 25 mm/12mm Hylam sheet for shelf or as required and also includes minor modification in L/Boxes as per site requirement. The contractor shall supply 4 no. of foundation nuts & bolts of size 22 mm dia. x 450 mm long with 2 flat spring washers, with each nut & bolts, sand for filling up cable pit inside the apparatus case including plaster and bolts, nuts, screws, MS Clamps for fixing equipment/cable. Note: - Part payment shall be released after completion of- (i) Foundation- 40%, (ii) Erection - 10%, (iii) Wiring, earthing, testing - 20%, (iv) Painting, writings - 10%, (v) Plastering, sand filling & etc. - 10%, (vi) Commissioning - 10%.

Transportation and installation of 2-Aspect Numbers Signal Post for MACLS as per drawing no. Con/SK/T/12 or SEM-Drawing No. 19-D3 or RDSO/M-00011RU dated 12.01.18 or latest complete with signal units, base, ladder and other fittings, excavation of earth pit, casting concrete foundation, erection of posts, thereof as specified in the note given in drawing, fixing of complete fittings of the signals with necessary earth screen protection arrangement as required including termination of cables, painting and lettering as required. Foundation nuts & bolts of appropriate size as per above drawings or latest as per RDSO Drawing No. SA- 116 A/M confirming to IS: 226 and IRS:S-10/78 Rev.8. or latest to be supplied.

Transportation and fixing of Calling ON Signals/ Numbers Guard Repeater unit/Dependent Shunt Signals / Illuminated 'A' /Illuminated 'AG' marker for MACLS on the erected signal post complete with marker including termination of cables, wiring, painting and lettering as required.

Transportation, Installation, Wiring, Testing & Numbers Commissioning of LED Signals Lamps for Main signals Lighting Unit (i.e. Red/Yellow/Green) as per instruction of railway Engineer at the site. Note: LED particulars such as aspect, make, type, Sr. No. etc. to be recorded in proper in proper register. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Transportation, Installation, Wiring, Testing & Numbers Commissioning of LED Signals Lamps for Subsidiary signals lighting unit (i.e. Route aspect/Shunt Signal/Calling on aspect/A marker/AG marker etc.) as per instruction of railway Engineer at the site. Note: LED particulars such as aspect, make, type, Sr. No. etc. to be recorded in proper register.

Transportation and installation of Electric point Numbers machine on MS plate fixed on concrete sleepers complete with fixing of anti-theft cover, crank handle key interlocking arrangements, Junction boxes, ground connections including smithy works, insulation of MS plate on which the point machines to be fixed from the gauge tie plate involving riveting/welding of angle cleats, termination of cables, preliminary adjustment of operation of points by crank handle, wiring, painting and lettering as required. Drilling of holes for fixing of switch extended bracket and leading stretcher bar, lubrication etc. Note: All the required nut-bolt, washer, MS-plate for anti- theft, eyelets, etc. for fixing of point machine to be supplied by contractor.

Installation, wiring, testing and commissioning Set of track circuit on Straight Portion of Track (without involving points and crossings) as per Drawing No. SK/DRG/OL/27 or latest and track bonding plan. The work includes drilling of 9/32" hole on Rails, provision of bonding, fixing and painting of Track Lead Junction Boxes, termination of tail cables, termination of Track lead wires, double Jumper wires, Installation & wiring of track feed set (Track Charger, Adjustable Resistance, choke coil, fuses, battery, relays etc.), testing of Glued/Block Joints and also lettering/numbering of track lead junction boxes, block joints and track circuits. This also includes transportation of all materials required for the above installation. Note: Track feed set, bonding wires, TLJB, channel pin, tail cable to be supplied by Railway.

Installation, testing and commissioning of track Set circuit on Point & Crossings as per Drawing No. SK/DRG/OL/27 or latest and track bonding plan. The work includes drilling of 9/32" hole on Rails, provision of bonding, fixing and painting of Track Lead Junction Boxes, termination of tail cables, termination of Track lead wires, double Jumper wires, Installation & wiring of track feed set (Track Charger, Adjustable Resistance, choke coil, fuses, battery, relays etc.), testing of Glued/Block Joints and also lettering/numbering of track lead junction boxes, block joints and track circuits. This also includes transportation of all materials required for the above installation. Note: Track feed set, bonding wires, TLJB, channel pin, tail cable to be supplied by Railway. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Transportation, installation and charging of 2V Numbers lead acid type Secondary Cell and preparation of electrolyte for each cell. Charging to be done as per OEM's instruction with uninterrupted power supply in presence of Railway representative. After charging, it should be kept at the dedicated location as per use. Note- If power is not available at site of work, charging may be done at nearby location as per convenience of the railway. This includes transportation of uncharged cells at the site of charging, supply of acid, distilled water at the site of charging and transportation of charged cells back to the site of work. (i) 2 Volt 80AH.

Excavation of earth pit, placing & fixing of Earth Numbers electrode with construction of cement enclosure to SEM Drawing No. 19-D6 and drawl of 6 SWG GI/Copper cable from earth electrode to goomties/relay room/cabin/station, etc. and drawl of MS flat 35mm x 6mm for signal post/Location box shall be used as the case may be, including fixing at both ends of the wire/MS flat. This includes transportation of materials. Note: Materials such as charcoals, salt, sal ammoniac, 6 SWG GI wire, copper lugs with Steel bolts & nuts etc. shall be supplied by the contractor. MS flat 35mm x 6mm/Copper cable shall be supplied by Railway. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Design and supply of the following drawings to Station office records as per requirement of the Railways. This includes alteration at different stages and finally supply of all the drawings including tracings within 30 days or as defined in the tender document from the date of commissioning of the work, otherwise penalty to be imposed as per tender document. This includes the following drawings for each station: (1) Cable layout plan, (2) Cable corrage plan, (3) Location Hut drawing, (4) Termination chart of end goomties and location hut, (5) Traction bonding plan, (6) Contact Analysis Chart, (7) SWRD & GWRD, (8) Equipment Layout Plan, (9) Power Supply arrangement diagram, (10) Relay Disposition chart, (11) Any other drawing as found relevant as per site condition. Office record if online maintenance is not implemented includes the following: (i) Battery History book, (ii) Track Circuiting Register, (iii) Track circuit maintenance Register, (iv) Cable Meggering Register, (v) Signal History Register, (vi) LED Register, (vii) Glued joint/ Block joint Register, (viii) Point machine Maintenance Register, (ix) Joint Inspection Register such as P. Way, Electrical & Signal, (x) Relay Register, (xi) Route cancellation Register, (xii) Relay Room Key Register, (xiii) Emergency Point operation Register, (xiv) Crank Handle Register, (xv) Emergency Route Cancellation Register, (xvi) Axle counter reset register, etc. (xvii) Supply and preparation of SIP where required. Note:-(i) All the diagram will be made on Auto CAD. The paper size of wiring diagram will be A- 3 or as per IRSEM or as per IRSEM. Soft Copy/AUTOCAD file of all drawings to be submitted alongwith paper drawing. Wiring diagram will be made in 'Black colour'. Alteration to wiring diagram will be done using 'RED' and 'Green' colouring scheme. RED = new equipment/contact to be installed or commissioned. GREEN = redundant equipment/contact to be recovered. (i) Up to 6 to 10 line yard. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Design of Route Control Chart (RCC), Front Plate Station Diagram (FPD) and circuits for Panel Interlocking as per approved Signal Interlocking Plan and typical circuit diagram. Wiring diagram shall be made in 'Black Colour' and Alteration to wiring diagram with Red for new installation and green for deletion contact/equipment. All the drawing and design shall include the copy of production checking, independent checking, first & second level checking, and commissioning copy. Submission of Two sets of prints with all correction for Railway's approval. Approved copy (06 Sets) of all drawings in plastic folders along with the original tracings in spiral bound with editable Auto-CAD file latest version. This includes the following drawings for each station: (1) Cable layout plan, (2) Cable corrage plan, (3) Location Hut drawing, (4) Termination chart of end goomties and location hut, (5) Traction bonding plan, (6) Contact Analysis Chart, (7) SWRD & GWRD, (8) Equipment Layout Plan, (9) Power Supply arrangement diagram, (10) Any other.drawing as found relevant as per site condition. Office record if online maintenance is not implemented includes the following: (i) Battery History book, (ii) Track Circuiting Register, (iii) Track circuit maintenance Register, (iv) Cable Meggering Register, (v) Signal History Register, (vi) LED Register, (vii) Glued joint/ Block joint Register, (viii) Point machine Maintenance Register, (ix) Joint Inspection Register such as P. Way, Electrical & Signal, (x) Relay Register, (xi) Route cancellation Register, (xii) Relay Room Key Register, (xiii) Emergency Point operation Register, (xiv) Crank Handle Register, (xv) Emergency Route Cancellation Register, (xvi) Axle counter reset register, etc. (i) Up to 6 to 10 line yard.

Preparation of Station Working Rules (SWR) in Set English on the basis of station working rule diagram and gate working rule diagram to be supplied by the contractor. Submission of two draft copy to railway for checking and resubmission of draft in three copies for approval of division after making corrections. Editable Soft copy to be supplied in pen drive.

Preparation of Station Working Rules (SWR) in Set Hindi/Regional Language of that station on the basis of station working rule diagram and gate working rule diagram to be supplied by the contractor. Submission of two draft copy to railway for checking and resubmission of draft in three copies for approval of division after making corrections. Editable Soft copy to be supplied in pen drive.

Designing and Plotting of Signalling Interlocking Per SIP Plan(SIP) in AUTOCAD. Two copies of prints with soft copywill be submitted to Railway for checking. If alterations aresuggested/proposed by Railways then again two copiesof 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 thediagrams mentioned above for the purpose of approval by Railway prior to commissioning of station. CKP-DIVN- S AND T/SOUTH EASTERN RLY

HDD: In case of short stretches (less than 100 Metre m in single stretch) Micro Tunnelling through Horizontal directional drilling (HDD) machine, preparation of sites, boring and laying of HDPE pipes of size (Outer/Inner diameter= 50mm/42mm) for crossing of S&T cable through HDPE pipe at bridges/culverts/track crossing/pucca road crossing. Boring trench shall be minimum 3 (three) meter below the surface/river bed and minimum 1 m at track/road/pucca road crossing area etc. This includes supply of permanently lubricated HDPE telecom ducts of equal length as per Specification No. RDSO/SPN/TC /45/2013 REVISION 2.0 with latest amendments. For each HDPE duct the following items are to be supplied as per requirement (a) End plug, (b) Cable sealing plugs, (c) Plastic coupler slip fit/push fit type & (d) End plugs to be provided along with drum. In case the site doesn't allow to perform as per schedule, written approval must be obtained from at least site incharge officer. Note: The boring profile should be recorded and submitted for verification of depth and length of boring.(i) 4 HDPE pipe

Alterations/modifications works on existing Numbers relay rack (Q-series/ Composite Relay Racks)/Cable Termination Racks (CTR) including works of installation, wiring, termination, testing and commissioning. The work includes fixing of aluminium/steel/M. S ladder along with supply as per requirement to accommodate additional plug board, relays, terminals/blocks, terminals, tag blocks, fuses, transformers, bus bars, TW shelves/strips etc. in the existing relay racks/CTR's, 6 mm Hylam sheets of required length for writing terminal description etc. fixing and termination of cables on the relay racks, CTR's with number embossed ferrules, bunching of cables with PVC tapes, earthing of cable armours, covers including painting and lettering, making anti tilting arrangement. Note:- a) Relay rack (Q-series/ Composite Relay Racks) : Payments for alterations in existing relays upto 20 nos. relays & above 20 nos. shall be made 50% & 100% respectively. b) Cable Termination Racks (CTR):- Payments for alterations in existing CTR upto 120 cores & above 120 nos. cores shall be made 50% & 100% respectively.

Alteration/modification in existing location Numbers boxes, includes fixing/Removal or both the equipment, cable insertion, termination, wiring, testing & commissioning, two coat painting, lettering to suit the circuits as per approved wiring diagram. This includes filling with sand and plastering the same. Note: All the sundry materials such as paint, sand, cement, screws etc to be supplied by the contractor.

Transportation, installation and wiring of Rotary Numbers key transmitters/KLCR on Hylam sheet board including wiring & fixing of push button bell switch on Hylam sheet of 12mm including termination, painting & lettering. The sundry materials such as Hylam sheet, push bell switch etc. to be supplied by contractor. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Shifting/re-locating/opening & refitting during Per Engineering work, fixing, wiring, testing of Detection existing MSDAC DP as per direction of site Point engineer of Railway. This includes excavation of (DP) trenches for fixing of Tx/Rx cable, foundation etc. if required and re-erection of same DP. Note: Track device means 01 DP of MSDAC. Any Rail connect/Track device accessories like nut & bolt, insulation etc. and damage during shifting has to be supplied by the contractor.

Dismantling of old S&T equipment such as lever Station frame, mechanical rod run, FPL, old relay racks, old electrical equipment, Motor points & other structure like signal posts, traffic LC gate gears and others as per site requirement after commissioning of the installation. All released materials are to be transported from concerned site to concerned storest. Note: Before start of the dismantling, a detailed list of the materials which are to be dismantled to be prepared & handed over to the site engineer. (i) For station yard above 5-10 line

Miscellaneous arrangements for NI period Station comprising of a) Temporary goomty/Tent of dimension at least 12'x12' at both side of the station yard and at central panel building, furnished with one table, six chairs, emergency light and mosquito repellent. b) Sufficient temporary lighting arrangement throughout the yard from Sunset to sunrise one day prior, during and post NI work. This includes provision of minimum two DG set of minimum 7.5 KVA capacity and halogen/LED flood lights. The DG sets, consumables materials such as Diesel, Operator etc. has to be arranged by the contractor at his own cost. c) Provision of PA System at both the end of the yard, including at central location if required. d) Resting arrangement for atleast 16 staff at night. e) Vehicle for transportation for to and fro movement of S&T staff during NI period. f) Manning of adjacent station to be done by contractor. g) Provision of printing/Xerox copies of drawings, wiring diagram, CTR/ Location box terminal chart, point wiring, MSDAC/track circuit wiring, NI program, Signal wiring, track bonding plan, etc. in a plastic folder. No. of copies depends upon the number of team formed for NI and as per instruction of officer incharge of NI. h) This also includes Free home & Free Starter wiring for NI as per the instruction of site engineer and any other works as assigned from time to time by Railway engineer. (i) More than 200 Routes

Physical tracing and opening/locating of Metre existing working cables by precision digging for diversion of cables in connection with cable clearance for engineering earth work or for utility shifting without interfering the circuits as per the advice of Railway site engineer.

Shifting of existing location boxes to facilitate Numbers earthwork by Engineering department or others by realising of cables from old location boxes and taking into new location boxes. This includes excavating the earth to release from old & insert into new location boxes & finally filling with sand and plastering inside new location boxes. Note: The released location box has to be deposited to the nearest station. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Removal of normally 13m Rail in the way of Numbers cable route trench, signal/location box foundation, track crossing etc. In case of less or more than 13 m, proportionate payment to be done. These obstructions will be removed by the contractor for ensuring proper execution of related works.

Removal of PSC/Wooden/Steel sleeper in the Numbers way of cable route trench, signal/location box foundation, track crossing etc. These obstructions will be removed by the contractor for ensuring proper execution of related works.Note: In case of broken sleepers, proportionate payment will be made.

Supply, transportation and fixing of RCC Cable Numbers Route Marker as per SEM drawing No. 15-D1 or latest. (Inspection by Representative of Sr.DSTE/CKP)

Installation, Testing and Commissioning of Set SMPS based Integrated Power Supply System as per Specification No. RDSO/SPN/165/2023 Ver. 4.0, Amdt.1 or latest and conforming to SE Railway Drawing No. SK/DRG/OL/SER/253, dated 23.01.19.

Transportation, grouting and laddering of Set Integrated Power Supply (IPS) System including laying & termination of power & signalling cables through ladder on Hylam sheet, fixed on MS angle, by contractor on wall in panel/IPS room of adequate size,painting & lettering. Note: Transportation of batteries, electrolyte, bolts & nuts, screws, trough etc. and other sundry materials required for the above work shall be supplied by the contractor as required. The IPS to be commissioned by the OEM.

Routing and termination of 25 mm X 2 mm Metre copper tape(BRC)/8 mm solid copper round conductor which is to be fixed inside the equipment room with 60 mm, 6KVA insulation studs including supply of insulation studs. The separation of the two successive insulation studs should be 600mm apart. Note: BRC to be fixed 0.5 mtrs from Room floor as per RDSO/SPN/197 Para 8.5.1(b).all the equipment shall be connected to the nearest point on the BRC using bonding wires routed through the floor of the room. Routing through the floor ensures the shortest path and prevents the earth wire from running parallel to any power/data cables. it is mandatory that a complete close loop has to be formed for BRC.

Digging a trench to a minimum depth of 0.5 Metre meter and laying 50 mm X 6 mm bare Galvanized steel tapeconnecting all the earth pits. Carrying out exothermicweld connections on all the earth electrodes. It shall beensured that the distance between any two earthelectrodes shall be minimum 3 meter (length of the earthelectrode) and maximum up to 6 meter (twice the lengthof the earth electrode) to avoid mutual resistanceeffects. Earth enhancement compound of 10 Kg alongeach meter also to be spread along the Galvanized steeltape. Note :The digging to be filled with soil immediately after welding 50mmX6mm Galvanized steel tape connecting all the earth pit & spreading of Earth enhancement compound.

Installation of Single Maintenance Free Earth pit Set as per RDSO Drawing No. SDO / RDSO/ E&B/001 CKP-DIVN- S AND T/SOUTH EASTERN RLY which includes the following, a) Digging/Auguring/Boring of single earth pit of 100mm to 125mm dia. to the depth of approx. 3 meter. b) Insertion of 3.0 meter electrode and penetrating it minimum 150 mm by pushing gently with sledge hammer where the natural soil is assumed. (c) Filling of earth pit with Earth Enhancement Compound (EEC) in slurry form and backfilling. (d) Carrying out exothermic weld connection on single earth electrode to a copper tape of 200 x 25 x 6 mm. (e) Carrying out exothermic weld connection on the copper tape of 200 x 25 x 6 mm on Earth Electrode for connecting 4 X 35 Sq. mm cables for redundancy. (f) The exothermic welding material for bonding the earth system shall be procured from RDSO approved firms, which includes graphite modules, clamps, weld metal powders etc. (g) The dimension of the chamber will be of 300 x 300 x 300 mm (inside dimension) of RCC with 50mm thick and fine finish, Inspection chamber should be as per IEC 62561-5 or latest. The top RCC cover size shall be 400 mm X 400 mm X 50mm. The date of testing and earth resistance value shall be written on the cover with black base with yellow paint or as per instruction of site Engineer. Note: Installation should be done as per guidelines given in RDSO TAN No. STS/E/TAN/3006, Ver.3.1, Dated: 25.06.2025 or Latest. (i)All materials used for the installation of the earth system shall be anti-corrosive,The installation of Earthing and Bonding for all S&T installations (EI, PI,RRI, Auto Hut, IBS, LC, Telecom hut etc.) shall be as per Annexure-III (a)or (b) (ii)The procedure of Exothermic welding, as outlined in Annexure-IV shall be followed. (iii)The OEM shall be responsible for complete supply, installation &commissioning of the Earthing & Bonding system. (iv) The Pre- commissioning checklist shall be followed during installation.This has been reiterated by this office letter no. RDSOSIG0EnB(GEN)/1/2020 dt. 18.07.2024 and also included in guidelines for earthing, bonding, surge and lightning protection issued on 01.01.2025. (v)Perimetric/Ring Earthing diagram should be painted on suitable Location on wall as per instruction of Site Engineer. (vi)Work to be executed by OEM & after the installation of Earthing & Bonding system. Warranty of such system shall be 60months from date of commissioning.(vii) The overall Earth resistance value for the earth connected with MEEB shall be less than 1 ohm. If necessary multiple earth shall be provided in loop to achieve earth resistance less than 1 Ohm. (viii) The distance between two successive earth electrode shall be not less than 3 meter and more than 6 meter.(ix) It is recommended that, multiple earth pits shall be installed around the perimeter of the building. However, at some locations, it may not be possible to form a perimetric earth around the Relay room, Power supply room and Station master room. In such cases, ring earthing arrangements consisting of interconnected multiple earth electrodes may be installed in the available free space as close as possible to the station building. A Sample drawing is attached as Annexure III for reference. (x) Earth pits shall be installed at least one meter away from building wall. (xi) CKP-DIVN- S AND T/SOUTH EASTERN RLY Minimum 20 meter distance should be maintained between electrical and S&T earth. (xii) Sand filling where requried and suggested by site Engineer.

Digging a trench to a depth of at least 0.5 Metre meter and run the 4 x 35 sq. mm ( MEEB to main Earth pit) as per site engineer, earth conductor(4x35 sq. mm) in protective PVC conduit pipe, procured against supply item, from Earth pit to MEEB. Routing and exothermic termination of 4 x 35 sq. mm cable on earth conductors (200mmX25mmX6mm Cu Strip) as well as on 300 mm X 25 mm X 6mm MEEB, which is to be fixed inside the equipment room with two 60mm insulation studs. The 60mm insulation studs have also to be supplied. (As p e r RDSO TAN No.STS/E/TAN/3006, Ver.3.1, Dated: 25.06.2025 or latest) Note : (1) there should not be any Loop in Earthing Bonding conductor from MEEB to Main earth pit. (2) The earth pits shall be interlinked using 50 mm x 6 mm Galvanised steel tape conductor with proper exothermic welding & As per Para 8.4.2 (d) of RDSO/SPN/197 V1.0, the interconnecting conductor(50 mm x 6 mm Galvanised steel tape) shall be buried at a depth of not less than 500 mm below the ground level. This conductor shall also be covered with approximately 30 kg of earth enhancement compound for every 3 meters of its length( procured against supply item).

Routing and connecting of all the SPDs in the Metre equipment room to MEEB/SEEB to MEEB with 16 sq. mm copper cable using copper lugs with stainless steel nut and bolts. The work includes laying and routing the copper cable in PVC / conduits and fixing them on wall. The PVC/conduit pipe to be supplied by Railway. Note 1: MEEB shall be installed not more than 0.5 metres from LPD /SPD box and preferably near SMR rack of IPS (Annexure-V) as per RDSO TAN No.STS/E/TAN/3006, Ver.3.1, Dated: 25.06.2025 or latest. if required SPD to be shifted from Relay rack/Power Rack/CTR to wall mounted position such way distance from MEEB to SPD not more than 0.5 mtrs. Note 2 :all the equipment shall be connected to the nearest point on the BRC using bonding wires routed through the floor of the room. Routing through the floor ensures the shortest path and prevents the earth wire from running parallel to any power/data cables. The cutting to be filled and finished with cement / concrete, and plastering. The wire will be laid in suitable PVC pipe and this work is to be executed as per directions of Railway engineer at site CKP-DIVN- S AND T/SOUTH EASTERN RLY

Routing and connecting of all the equipment in Metre the equipment/relay room to SEEB/BRC with 10 sq. mm copper cable using copper lugs with stainless steel nut and bolts and fixtures. The work includes laying and routing the copper cable in PVC / conduits and fixing them on wall as per TAN No.STS/E/TAN/3006, Ver.3.1, Dated: 25.06.2025 or latest .The PVC/conduit pipe to be supplied by Railway. Note: all the equipment shall be connected to the nearest point on the BRC using bonding wires routed through the floor of the room. Routing through the floor ensures the shortest path and prevents the earth wire from running parallel to any power/data cables.The cutting to be filled and finished with cement/concrete, and plastering. The wire will be laid in suitable PVC pipe and this work is to be executed as per directions of Railway engineer at site.

Lettering / Numbering/Perimetric earthing/ ring Numbers earth Diagram/ floor painting/earth value w riting equipment names etc., legibly and neatly as per direction of railway site engineer. This includes supply of paints of make Asian Paints/ Nerolac / Dulux / Berger or better.

Supply And Installation of Mould And Numbers Exothermic Powder( Single Welding) for copper strip 25x2 to Earth Pit for Earth pits interconnection/copper strip 25x3 to copper strip 25x3/35Sqmm PVC Cable to 200x25x6mm Copper BusBar /17.2mm Rod To 200x25x6mm Copper Busbar / 50x6 mm Galvanized steel tape to Earth Pit for Earth pits interconnection. Note: this include transportation of all associated materials used for welding.Exothermic material to be used from NABL/ILAC tested . (Inspection by Representative of Sr.DSTE/CKP)

Transportation and fixing of Junction type Route Numbers Indicator with Route arm on the erected signal post including termination of cables, painting lettering as required. (a) Route Indicator with Route arm Two way.

Transportation and fixing of following types of Numbers C.T. Box (Aluminium/Wago type) and termination of cable as per details of jointing schedule approved by the Railway Engineers. (a) 20 pair C.T. Box/Krone type DP Box.

Installation of Class B & C Surge protection Set Device (SPD) -Type I & II. All fitting material to be provided by the contractor.

Fabrication of stand/rack, installation, testing & Set commissioning of Earth Leakage Detector (ELD)- 8 channels as per Specification No. RDSO/SPN/ 256/2002 or latest.

Supply & Transportation and fixing of PVC Metre Conduit pipe/channel/casing caping on wall or structure with drawls of Telecom/Power/Data cable/10Sq./16Sq./35Sq. multi strand cable with proper finishing. This includes supply of fixing materials including flexible pipe/bend etc. as required during course of execution. Note: The cutting to be filled and finished with cement/ concrete, and plastering. The wire will be laid in suitable PVC pipe and this work is to be executed as per directions of Railway engineer at site. (Inspection by Representative of Sr.DSTE/CKP) Total 6658686.00

Item Breakup - B-Material Supply-SOR (Signalling Work)

Supply of Negative Bus Bar of size 20 mm X 5 Metre mm made of copper bar with brass screw & washer minimum length of one piece is to be 0.3 m. The bar and screw should be nickel plated. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Thermo-shrink jointing (TSF) kits for Numbers jointing underground Quad cable of size 0.9mm/1.4mm diameter conductor for straight/condenser/Y-(Derivation)/Loading Coil/Transformer Joints as per Specification No. IRS-TC-77/2012 Rev.3 with Amd. 3.0 or latest. (Inspection by RDSO)

Supply of 25 mm 6 Way PBT Terminal block as Numbers per Specification No. IRS:S-75/2006 Rev. 2.0 or latest as per IRS Drg. No. SA-23756 Alt-3 or its latest amendments. (Inspection by RDSO)

Supply of Non-Deteriorating type of low voltage Numbers electric fuse for Railway signalling use, fuse with cylindrical cap without indication, cylindrical fuse as per Specification No. IRS:S- 78/2006 or latest.(i) ND Fuse Cylindrical Type 2 Amp. (Inspection by RDSO)

Supply of Non-Deteriorating type of low voltage Numbers electric fuse for Railway signalling use, fuse with cylindrical cap without indication, cylindrical fuse as per Specification No. IRS:S- 78/2006 or latest. (i) ND Fuse Cylindrical Type 4/6 Amp. (Inspection by RDSO)

Supply of Non-Deteriorating type of low voltage Numbers electric fuse for Railway signalling use, fuse with cylindrical cap without indication, cylindrical fuse as per Specification No. IRS:S- 78/2006 or latest.(i) ND Fuse Cylindrical Type 16 Amp. (Inspection by RDSO)

Supply of PBT fuse block as per Specification Numbers No. IRS:S-75/2006 Rev. 2.0 or latest as per IRS drawing No. . SA: 23748 with alt 4 or its latest amendments. (Inspection by RDSO)

Supply of PVC Insulated Single core Multistrand, Kilometre unsheathed with plain annealed/tinned copper conductor 16/0.2 mm diameter as per Specification No. IRS:S-76/89 or latest. Wire Colours shall be decided by engineer-in-Charge. Note: The requirement of plain/tinned copper to be decided by the Engineer-in-charge. (Inspection by RDSO)

Supply of PVC Insulated single core cable Kilometre multistrand, unsheathed with plain annealed /tinned copper conductor 3/0.75 mm diameter as per Specification No. IRS:S-76/89 or latest. Wire Colours shall be decided by engineer-in- Charge. Note: The requirement of plain/tinned copper to be decided by the Engineer-in- charge. (Inspection by RDSO)

Supply of PVC Insulated single core cable Kilometre multistrand, unsheathed with plain annealed/tinned copper conductor 7/0.75 mm diameter as per Specification No. IRS:S-76/89 or latest. Wire Colours shall be decided by engineer-in-Charge. Note: The requirement of plain/tinned copper to be decided by the Engineer-in-charge. (Inspection by RDSO) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply of PVC insulated 10 Sq. mm Single core Metre Multi strands copper conductor as per Specification No. IRS:S-76/89 or latest conforming to IS: 694/2010 or latest. Wire Colours shall be decided by Engineer-in-Charge. (Inspection by Representative of Sr.DSTE/CKP)

Supply of PVC insulated 35 Sq. mm Single core Metre Multi-strands copper conductor as per Specification No. IRS:S-76/89 or latest conforming to IS: 694/2010 or latest. Wire Colours shall be decided by Engineer-in-Charge. (Inspection by Representative of Sr.DSTE/CKP)

Supply of PVC insulated 16 Sq. mm Single core Metre Multi-strands copper conductor as per Specification No. IRS:S-76/89 or latest conforming to IS: 694/2010 or latest. Wire Colours shall be decided by Engineer-in-Charge. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Steel Apparatus case Full height as Numbers per Drawing No. SK/Drg./OL/SER /198 or latest with E type lock . E-type lock & their key ward No. will be decided by site engineer as per Specification No. IRS: S-10/78 with Rev. 8 or latest. Supply of Hylam sheets is not covered under this scope. This includes supply of one key & handle for each four Apparatus Case or minimum one. (Inspection by reprsentative of Sr. DSTE/CKP)

Supply of Key Lock - 'E' Type with key as per Numbers RDSO Drg. No. SA-3376/M, Alt-2(Lock) or latest & SA-3377 (Key) or latest, and Specification No. IRS: S 30-64 Rev 0 or latest and IRS S-10 or latest. Ward No. shall be as per instruction of Railway. (Inspection by RDSO)

Supply of Composite/Q series Relay Rack as per Numbers Drawing No. SK/DRG/OL/SER/192, Sheet 1 and 2 or latest and must be powder coated of stone grey colour. (Inspection by Representative of Sr.DSTE/CKP)

Supply of MS Cable termination Racks (CTR) as Numbers per Drawing No. SK/DRG/OL /SER/197 or latest and must be powder coated of stone grey c o l o u r. (Inspection by Representative of Sr.DSTE/CKP)

Supply of metallic Colour Light Signal, Multi Unit Numbers type Two Aspect complete but without lamp holder, lenses & transformers as per IRS:S- 26/64 or latest and RDSO Drawing No. SA23003 A/M (Adv.) or latest. Mounting socket including its material shall be as per RDSO Drawing No. S 23005/M or latest for mounting on 140 mm outside diameter post. (Inspection by Representative of Sr.DSTE/CKP)

Supply of dependent/position light type Shunt Numbers Signal complete as per Drawing No. SA- 23840(Adv) Alt.2 or latest, S-23023 or latest with offset bracket to Drg. No. SA23080 Adv. Alt. 1 or lates to suit 140 mm. dia post complete as per Specification No. IRS:S-10/78 Rev. 8 or l a t e s t . (Inspection by Representative of Sr.DSTE/CKP)

Supply of Metallic A Marker/Calling On signal Numbers unit/Guard Repeater unit with bracket & fixing accessories as per Drawing No: SA 24351 (Adv.) Alt 1.0 or latest, S: 23463 or latest and Specification No. IRS-S-10/78 or latest and IRS:S-26/64 or latest. (Inspection by Representative of Sr.DSTE/CKP) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply of 140 mm diameter Cast Iron (Grade- Numbers 20) Signal base as per Drawing No. S-2011/M and as per Specification No. IRS:S-10/78 & IS:210 or latest. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 4.5 meter Tubular (Seamless) Post for Numbers Colour Light Signal as per Specification No. IRS:S-6/81 or latest to suit 140mmm dia. base. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 4.5 meter Ladder for Colour Light Numbers Signal as per RDSO Drawing No. SA-23153 (Adv.) or latest and Stage with Ladder foundation as per Drawing No. S-2033/M (IRS) or latest & as per Specification No. IRS:S-10/78 & IS:210 or latest. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Earth Electrode as per Drawing No. Set 19-D6 of SEM-2021 or latest. GI pipe confirming to IS:1239 or latest of 3.17 mm thickness, minimum 2.5 m long, 50.8 mm diameter, 4.76 mm diameter drilled holes staggered at distance of 152.4 mm. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 35 mm x 6 mm thick MS Flat Plate Metre Strip as per IS: 226-1975 or latest for earth connection to Signal post, L/Box etc. (Inspection by Representative of Sr.DSTE/CKP)

Supply & Fixing of Main equipotential bus bar Numbers (MEBB) of size 300 x 25 x 6 mm Cu equipotential Bus Bar. Note: MEEB to be fixed inside the equipment room with two 60mm insulation studs as per instruction of Site Engineer. The 60mm insulation studs have also to be supplied with MEEB. MEEB to SPD distance should not be more than 0.5 mtrs. (Inspection by Representative of Sr.DSTE/CKP)

Supply & Fixing of Sub equipotential bus bar Numbers (SEBB) of size 150x 25 x 6 mm Cu equipotential Bus Bar. Note: SEEB to be fixed inside the equipment room with two 60mm insulation studs as per instruction of Site Engineer. The 60mm insulation studs have also to be supplied with SEEB. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 25mm x 2 mm bare copper strips or Metre 8mm round solid copper. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 50 mm x 6 mm Galvanised steel tape Metre for interconnecting the earth pits. (Inspection by Representative of Sr.DSTE/CKP)

Supply and installation of mould and Set Exothermic powder for 50 mm x 6 mm Galvanised steel tape to 200x25x6 mm copper busbar(40 nos per set). To weld from one earth pit to other earth pit and as per requirement and direciton of Site engineer in all over stn in CKP . NB: Exothermic material NABL/ILAC tested to be used. (Inspection by Representative of Sr.DSTE/CKP) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply & backfill around grounding electrode Kg either in trench or augured hole of Earth Enhancement material for covering 50 mm x 6 mm Galvanised steel tape as per RDSO TAN No. STS/E/TAN/3006, Ver.3.1, Dated: 25.06.2025 or latest. Note: Materials to be used in Routing path of 50 mm x 6 mm Galvanised steel tape (from one earth pit to another earth pit) Approx 30 KG of earth enhancement compound for every 3 mtrs of Length. material shall be tested & confirm to the requirment of IEC 62561-7 standard as per RDSO/SPN/197 V1.0. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Polymeric Positive Temperature co- Numbers efficient self-Restoring Type fuse (PPTC) of 24- 110V, 2-3 Amps capacity Fuse should have an insulating coating of flame retardant epoxy to meet UL-94, V0 requirement working temperature range 40 Degree Celsius to 85 Degree Celsius and leads to be tin platted c o p p e r. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Polymeric Positive Temperature co- Numbers efficient self-Restoring Type fuse (PPTC) of 24- 110 V, 4 Amps capacity Fuse should have an insulating coating of flame retardant epoxy to meet UL-94, V0 requirement working temperature range 40 Degree Celsius to 85 Degree Celsius and leads to be tin platted c o p p e r. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Track lead Junction Box (TLJB) made Numbers of fibre reinforced plastic as per RDSO drawing No. SA 20101/M (IRS) or SI-10272 (FRP) and as per Specification No. RDSO/SPN/151/1997 or latest with bush & ARA terminals conforming to IRS: S-75/91 or latest. 1 way 60mm PBT terminals, 18" GI pipe of adequate size & MS angles 1500x50x50 mm3 are also to be supplied by the contractor. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 8 SWG (4.064mm Diameter) GI wire Kg for Track Circuit Bonding or for other application as per Specification No.IS:279/81 or l a t e s t . (Inspection by Representative of Sr.DSTE/CKP)

Supply of Insulated galvanized flexible stranded Kg wire rope 7x7 construction, 19 mm circumference, Tensile Strength 125-140 Kg per square mm as per Specification No. IRS:S-3/61 or latest wrapped with Extruded jacket of PVC, thickness 2 mm. Wire colour will be decided by Engineer in charge. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 30 mm length Channel Pins, single Numbers groove for bonding Track Circuiting wires of 7mm dia. for 4mm dia. bond wire to RDSO Drawing No. S-69/M or latest as per Specification No. IRS: S17-75 Rev 3 & IS: 1573- 70 or latest. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Earth Leakage Detector (ELD) - 8 Set channels as per Specification No. RDSO/SPN/ 256/2002 or latest. (Inspection by Representative of Sr.DSTE/CKP) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply of Electric key transmitter (EKT)/Rotary Numbers key transmitter (RKT) as per Specification No. IRS:S-21/2001 Rev 1.0 or latest & Drawing No.SA-22601 or latest with the keys and wards nos. will be per instructions given by site Engineer in charge. (Inspection by RDSO)

Supply of Sulphuric Acid solution having Kg nominal specific Gravity 1210. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 1 copy of SWR in English finally Numbers approved by railways along with spiral binding. This has to be done after CRS sanction has been obtained. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 1 copy of SWR in Hindi/Regional Numbers Language of that station finally approved by railways along with spiral binding. This has to be done after CRS sanction has been obtained. (Inspection by Representative of Sr.DSTE/CKP)

Supply of Non-metallic (FRP) 2 way Junction Numbers Route Indicator Unit Without Lens & Holder as per Specification No. RDSO/SPN/194/2006 Rev.2.0 or latest as per RDSO Drawing No. SA 23402 or latest suitable for LED signal lighting unit as per IRS:S-66/84 Amd. 1 or latest. (Inspection by Representative of Sr.DSTE/CKP)

Supply of 20 Pair CT box made of 16 SWG CRC Numbers sheet with disconnection and reconnection (wago type). The CT Box should be grey colour powder coated with terminal, washer, nut & bolt should be of brass. There shall also be locking arrangement. (Inspection by Representative of Sr.DSTE/CKP) Total 1705226.00

Item Breakup - C-Execution (Telecom Work)

Excavation of trench in all kinds of soils Kilometre including soft rocky area and clearing of roots of trees, rocks, bushes, ballast & reconditioning etc., including bailing out water and disposal of extra soil including back filling with excavated earth and ramming of trenches after cable laying for the following depths and widths as specified in Technical Circular No. 2 of 1988 & 01/2010 issued by CSTE/SER or any other latest guidelines. Note: In case, trenches are other than prescribed depth & width, Proportionate payment shall be released. (a) Depth 1.2 meter, Width 0.5 meter. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Laying of S&T Cables (Signal/Quad/Power) in Kilometre the excavated trench to Drawing No. CON/SK/T/5 or latest. Supply and transportation of 'U' clamps, anchoring of cable at every 10 metres interval with 'U' clamp on trench to Drawing No. CSTE/CON /CABLES/81 or latest. Supply, transportation, and placing of cable demarcating led belt to Drawing No. CON/SK/T/6 or latest punched at an interval of 30 metres and wrapped round each cable throughout the cable route and also at every track/Road/ platform crossing as above specified in Technical Circular No. 2/1988 & 01/2010 issued by CSTE/SER or as per latest guidelines and guarding the cables. Collecting empty drums with left over cable and to be returned to the stores of stock holder. Note: Cables will be meggered before & after its laying by contractor under supervision of Railway representative & Contractor will submit their reports.

Transportation including loading/unloading of Kilometre Optical Fibre Cable along with HDPE pipe from the stores of SSE/Store or from any store of SE Railway to the site with care laying of HDPE pipe & blowing of OFC in it as per procedure and returning empty cable drums with or without left over cable to the stores of SSE/Store. It also includes supply and placing of warning & Detection tape orange colour of 100 mm wide printed in black as "CAUTION OFC CABLE" and laid throughout the trench as directed by the Representative of Railway. Note: OTDR of cables will be done before & after its laying by contractor under supervision of Railway representative & contractor will submit their reports.

Transportation of cables in rolls with or without Drum-Km wooden drums (S&T Cables) from concerned store to the site of works. Note: The unit Drum- KM indicates Drum X length of cable in that drum. It doesn't have any significance over the distance it has to be carried for execution of the work.

Cement Concrete of proportion 1:3:6 (Cement: cum Sand: Stone chips of 25mm nominal size) for miscellaneous works. It includes excavation, ramming of CC by using vibrator, curing and plastering with cement and sand mixture (aggregate will not exceed beyond 3.8 cm). Note: All materials required for foundation are to be supplied by the contractor. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Execution of Full Apparatus Case with earth Numbers excavation for pit, concrete foundation, surrounding earth work, erection and installation as per Drawing No. Con/SK/T/8 or latest and wiring to be done as per SEM Drawing No.19-D8 or as per direction of site engineer. Supply and fixing of Hylam sheet strip of appropriate size of 3 mm or 6 mm as required with hole for fixing of terminals, fuse blocks, relay and other accessories for signal/track circuit, termination of cable with number embossed ferrules, bunching of cables with PVC tape, proper soldering of cable armour with earth catenary wire, earthing of cable armour as required. Writing & terminal description including Painting of the apparatus case inside and outside after clearing the surface thoroughly and first coating of anticorrosive paint and subsequent two coats of Aluminium paint outside and red oxide inside and lettering etc. This also includes transportation of 25 mm/12mm Hylam sheet for shelf or as required and also includes minor modification in L/Boxes as per site requirement. The contractor shall supply 4 no. of foundation nuts & bolts of size 22 mm dia. x 450 mm long with 2 flat spring washers, with each nut & bolts, sand for filling up cable pit inside the apparatus case including plaster and bolts, nuts, screws, MS Clamps for fixing equipment/cable. Note: - Part payment shall be released after completion of- (i) Foundation- 40%, (ii) Erection - 10%, (iii) Wiring, earthing, testing - 20%, (iv) Painting, writings - 10%, (v) Plastering, sand filling & etc. - 10%, (vi) Commissioning - 10%.

Supply, transportation and installation of RCC Numbers joint chamber with two piece top cover and bottom cover with holes for drainage and cable entry, as per Drawing No. RDSO/TCDO/COP-21 or latest. This includes trenching for jointing pit of size min 1.5 m X 1.5 m X 1.2m for all types of soils, back filling and ramming of the pit after placing the joint closure and cable loop in the chamber including dry sand upto 600mm height without causing any damage to same and consolidation of soil as well as disposal of excess soil. (Inspection by representative of Sr. DSTE/CKP) CKP-DIVN- S AND T/SOUTH EASTERN RLY

HDD: In case of short stretches (less than 100 Metre m in single stretch) Micro Tunnelling through Horizontal directional drilling (HDD) machine, preparation of sites, boring and laying of HDPE pipes of size (Outer/Inner diameter= 50mm/42mm) for crossing of S&T cable through HDPE pipe at bridges/culverts/track crossing/pucca road crossing. Boring trench shall be minimum 3 (three) meter below the surface/river bed and minimum 1 m at track/road/pucca road crossing area etc. This includes supply of permanently lubricated HDPE telecom ducts of equal length as per Specification No. RDSO/SPN/TC /45/2013 REVISION 2.0 with latest amendments. For each HDPE duct the following items are to be supplied as per requirement (a) End plug, (b) Cable sealing plugs, (c) Plastic coupler slip fit/push fit type & (d) End plugs to be provided along with drum. In case the site doesn't allow to perform as per schedule, written approval must be obtained from at least site incharge officer. Note: The boring profile should be recorded and submitted for verification of depth and length of boring. (a) 2 HDPE pipe.

Installation of Single Maintenance Free Earth pit Set as per RDSO Drawing No. SDO / RDSO/ E&B/001 which includes the following, a)Digging/Auguring/ Boring of single earth pit of 100mm to 125mm dia. to the depth of approx. 3 meter. b) Insertion of 3.0 meter electrode and penetrating it minimum 150 mm by pushing gently with sledge hammer where the natural soil is assumed. (c) Filling of earth pit with Earth Enhancement Compound (EEC) in slurry form and backfilling. (d) Carrying out exothermic weld connection on single earth electrode to a copper tape of 200 x 25 x 6 mm. (e) Carrying out exothermic weld connection on the copper tape of 200 x 25 x 6 mm on Earth Electrode for connecting two 35 Sq. mm cables for redundancy. (f) The exothermic welding material for bonding the earth system shall be procured from RDSO approved firms, which includes graphite modules, clamps, weld metal powders etc. (g) The dimension of the chamber will be of 300 x 300 x 300 mm (inside dimension) of RCC with 50mm thick and fine finish, Inspection chamber should be as per IEC 62561-5 or latest. The top RCC cover size shall be 400 mm X 400 mm X 50mm. The date of testing and earth resistance value shall be written on the cover with black base with yellow paint or as per instruction of site engineer. CKP-DIVN- S AND T/SOUTH EASTERN RLY

Excavation of trench in all kinds of soils Metre including soft rocky area and clearing of roots of trees, rocks etc. to a depth of 1 metre and width 0.3 mtr. Track/ Pucca road/Platform crossing/ Level crossing as per SEM Drawing No.15-D5 including supply, transportation and laying of DWC pipes (full) with collar(for jointing pipes) Inner diameter/Outer diameter:103mm/120mm to Specification No.14830 (Part-2):2001 as per SEM Drawing No. 15-D4 and drawing of cable through DWC pipes with collar(for jointing pipes) including back filling and ramming after cable laying as specified in Tech. Circular No. 2 of 1988 & 01/2010 issued by CSTE/SER for S&T Cables or any latest guidelines. This includes repairing and plastering of Platform/Pucca road after cable laying.

Supply, transportation and fixing of RCC Cable Numbers Route Marker as per SEM drawing No. 15-D1 or latest. (Inspection by representative of Sr. DSTE/CKP) Total 700241.00

Item Breakup - D-Material Supply (Telecom Work)

Supply of Steel Apparatus case Full height as Numbers per Drawing No. SK/Drg./OL/SER /198 or latest with E type lock . E-type lock & their key ward No. will be decided by site engineer as per Specification No. IRS: S-10/78 with Rev. 8 or latest. Supply of Hylam sheets is not covered under this scope. This includes supply of one key & handle for each four Apparatus Case or minimum one. (Inspection by representative of Sr. DSTE/CKP)

Supply of 25 mm 6 Way PBT Terminal block as Numbers per Specification No. IRS:S-75/2006 Rev. 2.0 or latest as per IRS Drg. No. SA-23756 Alt-3 or its latest amendments. (Inspection by RDSO)

Supply of 24 Fiber OFC Joint Closure as per Numbers Specification No. RDSO/SPN/TC/68/ 2014 Rev 1.0 or latest complete with all accessories including sealing with mechanical clamp facility. (Inspection by representative of Sr. DSTE/CKP)

Supply of HDPE pipe as per Specification No. Kilometre RDSO/SPN/TC/45/2013 Rev-2.0 or latest with OD/ID of size 40mm/33mm with suitable couplers, plugs, end caps, spacer, T band etc. as required during execution at the site. (Inspection by representative of Sr. DSTE/CKP)Supply of HDPE pipe as per Specification No. RDSO/SPN/TC/45/2013 Rev-2.0 or latest with OD/ID of size 40mm/33mm with suitable couplers, plugs, end caps, spacer, T band etc. as required during execution at the site. (Inspection by representative of Sr. DSTE/CKP) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply of basic material to construct unit Set Maintenance Free Earth for Single Earth consisting as per Spec. No. RDSO/SPN/197/2016 Ver 1.0 or latest, bonding connections drawing no. SDO/ RDSO/E&B/002 or latest are as under, (a) Copper bonded steel electrodes of 3.0 m long, 17.0 mm diameter with copper bonding thickness of min 250 micron and UL listed and marked -1 No. (b) Earth Enhancement compound supplied in sealed bags of min 30-35 Kg.- 1 No. (c ) Copper Strip of 200mm x 25mm x 6mm to exothermically welded to Earth electrode- 1 No.(d) Copper Strip of 300mm x 25mm x 6mm (MEEB) - 1 No.(e) Copper Strip of 150mm x 25mm x 6mm (SEEB)- 1 No. It also includes supply of (i) 35 Sq. mm Multi-strand Single Core PVC insulated Copper Connector as per IS:694 for connecting Main Earth Electrode to MEEB in the equipment room in duplicate.-10 meter (ii) 16 Sq. mm Multi-strand Single Core PVC insulated Copper Connector as per IS:694 for connecting MEEB to SEEB and SPDs to MEEB.-10 meter (iii) 10 Sq. mm Multi-strand Single Core PVC insulated Copper Connector as per IS:694 for connecting various equipment to SEEB- 10 meter. (Inspection by RDSO) Total 305628.00

Item Breakup - A1-Execution (EI Alteration Work)

Alteration /Modification in Existing EI Hot stand Per by system. function

Testing & commissioning of existing E.I Station installation along with additional alteration carried out in connection with RE modification on a whole shall be carried out by the engineer in charge of work . Testing shall be carried out to ensure compliance of SEM, RE Manual, General & Subsidiary rules, Block Working manual & adherence to specification of tenders including LC Gate. (Small Stn.2/3 Lines)

Modification/Upgradation, wiring, validation & Set alteration of Data Logger/RTU of Digital & Analog Input including NMDL software etc. as per site engineer. The necessary wire from relay to tag block & from tag block to data logger, tag block, terminal, wiring material etc. required for this work to be supplied by contractor. Wire to be procured from RDSO approved firms. NOTE; modification also to be made in COA,Control cum command centre, TMS etc. Total 4221981.71

Item Breakup - A2-Execution-Non-SOR (Signalling Work)

Installation and commissioning of Isolating Job spark Gap (ISG) for lightning equi-potential bonding of different earth grids. For installation & commissioning , required necessary materials to be supplied by the contractor.

Modificaiton to the application logic of VDU Set (Visual Display unit) & MT (Maintenance Terminal).

Installation of Single Maintenance Free Earth pit Set as per RDSO Drawing No. SDO /RDSO/ E&B/001 CKP-DIVN- S AND T/SOUTH EASTERN RLY which includes the following, a)Digging/Auguring/Boring of single earth pit of 100mm to125mm dia. to the depth o fapprox. 3 meter. b) Insertion of 3.0 meter electrode and penetrating it minimum 150 mm by pushing gently with sledge hammer where the natural soil is assumed. (c) Filling of earth pit with Earth Enhancement Compound (EEC) in slurry formand backfilling. (d) Carrying out exothermic weld connection on single earth electrode to a copper tape of 200 x 25 x 6 mm. (e)Carrying out exothermic weld connection on the copper tape of200 x 25 x 6 mm on Earth Electrode for connecting 4 X 35Sq. mm cables for redundancy.(f) The exothermic welding material for bonding the earth system shall be procured from RDSO approved firms, which includes graphite modules,clamps, weld metal powders etc.(g) The dimension of the chamber will be of 300 x 300 x300 mm (inside dimension) of RCC with 50mm thick and fine finish, Inspection chamber should be as per IEC 62561-5 orlatest. The top RCC cover size shall be 400 mm X 400 mm X50mm. The date of testing and earth resistance value shall be written on the cover with black base with yellow paint or as per instruction of site engineer. Note: Installation should be done asper guidelines given in RDSOTAN No. STS/E/TAN/3006,Ver.3.1, Dated: 25.06.2025 orLatest. (i)All materials used for the installation of the earth system shall be anti- corrosive.The installation of Earthing and Bonding for all S&T installations (EI, PI,RRI, Auto Hut, IBS, LC,Telecom hut etc.) shall be as per Annexure-III (a) or (b) or (c)(ii)The procedure of Exothermic welding, as out lined in Annexure-IV shall be followed. (iii)The OEM shall be responsible for complete supply, installation & commissioning of the Earthing & Bonding system. (iv) The Pre-commissioning checklist shall be followed during installation. This has been reiterated by this officeletter no.RDSO SIG0 EnB(GEN) /1/2020 dt. 18.07.2024 and also included in guidelines for earthing, bonding,surge and lightning protection issued on 01.01.2025. (v)Perimetric/Ring Earthing diagram should be painted on suitable Location on wall as per instruction of Site Engineer. (vi)Work to be executed by OEM & after the installation of Earthing & Bonding system.Warranty of such system shall be 60 months from date of commissioning.(vii) The overall Earth resistance value for the earth connected with MEEB shallbe less than 1 ohm. If necessary multiple earth shall be provided in loop to achieve earth resistance less than 1 Ohm.(viii) The distance between two successive earth electrode shall be not less than 3 meter and more than 6 meter. (ix) It is recommended that, multiple earth pits shall be installed around the perimeter of the building. However, at some locations, it may not be possible to form a perimetric earth around the Relay room, Power supply room and Station masterroom. In such cases, ring earthing arrangements consisting of inter connected multiple earth electrodes may be installed in the available free space as close as possible to the station building. A Sample drawing is attached as Annexure III for reference. (x) Earth pits shall be installed at least one meter away from building CKP-DIVN- S AND T/SOUTH EASTERN RLY wall. (xi) Minimum20 meter distance should be maintained between electrical and S&T earth. (xii) Sand filling where required and suggested by site Engineer. Total 594726.80

Item Breakup - B1-Material Supply-Non-SOR (Signalling Work)

Supply of Isolating spark Gap(ISG) for lightning Numbers equi-potential bonding of different earth grids according to IEC 62561 part-3 at 100kA impulse current, IP 68, fire retardant enclosure as per Annexure-A. (Inspection by RDSO)

Supply of basic material to construct Set Maintenance Free Earth for Ring Earth consisting as per Specification No. RDSO/SPN/197/2016 Ver 1.0 or latest, bonding connections drawing no. SDO/RDSO/E&B/001 or latest. (a) Copper bonded steel electrodes of 3.0 m long, 17.0 mm dia. minimum with copper bonding thickness of min 250 micron and UL listed and marked -1 No. (b) Earth Enhancement compound supplied in sealed bags of min 30-35 Kg.- 1 Nos. (c) Copper Strip of 200mm x 25mm x 6mm to exothermically welded to Earth electrode- 1 No. (d) Copper Strip of 300mm x 25mm x 6mm (MEEB) -1 No. (e) Copper Strip of 150mm x 25mm x 6mm (SEEB)- 1 No. NB: Materials should be supplied as per RDSO TAN No. STS/E/TAN/3006, Ver.3.1, Dated: 25.06.2025 or latest. (Inspection by RDSO) Total 126860.16

Item Breakup - B2-Execution and Supply (Automatic Fire Detection & Alarm System work)

Supply, Installation, Testing & Commissioning of Set Networkable Single loop addressable Fire alarm Control panel expandable upto 2 loops & interface with GSM/LTE module working as per RDSO/SPN/217/2025 ver-3.1 or latest. The control panel shall be networkable to Zonal /Divisional Headquarters preferably over TCP lP/OFC media converterand shall have clock synchronization facility. This schedule includes supply of TCP IP converter/ Networking card/OFC media converter. The control panel shall have provision of Graphical software to enable remote monitoring of entire fire detection and alarm system of a station from Head Quarters. The control panel shall be designed to work on power supply of 110V/230V AC as well as on DC battery backup of adequate capacity to work upto 24 hrs. Backup. The Power supplies like batteries and chargers shall be supplied by the contractor. The Control Panel shall have means for the user to visualize and interact with the complete Automatic Fire Detection and Alarm System layout through a user-friendly software executable on a standard Windows based Personal Computer. It shall be possible to download data and extend alarms from Control Panel through suitable ports like RS485/RS232/USB/TCP/IP into a PC/Laptop available with SSE at the installation and remote location (Divisional Control room) operating on Windows platform. The software for downloading and analysing fault data shall be provided & shall be compatible with the latest windows operating system. Detection, actuation, and control system shall have provision for automatic as well as manual operation. The control panel should have provision to connect a GSM/LTE module duly providing compatible SIM with SMS facility on minimum of 5 numbers (users). Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, installation testing & commissioning of Numbers Heat and smoke multi sensor with back box with integral short circuit isolator as per specification No. RDSO/SPN/217/2025 ver-3.1 or latest and required to be provided at suitable locations inside the diesel generator room, battery room, ASM room, and other S&T service rooms as directed by the Railway site Engineer. The location of fixing is to be meticulously decided so that full advantage of the system is achieved. Note: Spares cost are also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, Installation and Testing, commissioning Numbers of Addressable and resettable Manual call point with inbuilt fault isolator (open/short circuit in loop) status LED for alarming & standby mode as per specification No. RDSO/SPN/217/2025 ver-3.1 or latest. Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply, Installation, testing and commissioning Set of laser or high power LED based Aspiration detection unit for AC room with programmable 4 stage alarm generation and with 4 addressable modules. It should have auto cleaning facility in optical chamber, electronic discrimination of particle size or other listed methods or combination thereof. The aspiration system shall also include external power supply unit with battery backup as per OEM. The aspiration type smoke detector should be UL/LPCB/Vds/FM listed/approved and shall comply to specification No. RDSO/SPN/217/2025 ver-3.1 or latest. Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, Installation, Testing & Commissioning of Metre UL/LPCB/Vdc listed/approved Pipe made of CPVC with suitable diameter & pipe accessories (couplings, unions, elbows, tees, end caps, capillary tubes, sampling ports, mounting brackets etc.) as per requirement for the Aspiration detection shall comply to RDSO/SPN/217/2025 ver-3.1 or latest. Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, Installation, Testing & commissioning of Numbers Audio Visual alarm (Hooter and strobe) controlled through addressable control model. It shall be preferably flashing type Red/White colour. It shall be preferably with Piezoelectric type sounder. The sound level shall be preferably adjustable type up to 90 dB at a distance of 1 m as per specification No. RDSO/SPN/217/2025 ver-3.1 or latest. Note: Spares cost are also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, Installation Testing and commissioning Metre of FRLS/Fire Survival Circuit Integrity Cables of size 2C X 1.5 Sq. mm with all accessories certified by UL/FM/Vdc/LPCB/BRE global or any recognised Lab by GOI for connection of Fire Alarm devices specification No. RDSO/SPN/217/2025 ver-3.1 or latest. Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, installation, Testing and Commissioning Numbers of Analogue Addressable type Isolator modules device for isolating in case of any fault, complying to the RDSO/SPN/217/2025 ver-3.1 or latest. Inspection by Rep. of Railway Engineer. Spares cost are also included & to be supplied as per RDSO para no. 4.15. Isolator module for Input/Output monitor module to be decided by representative of Sr.DSTE/CKP. Note: Material to be supplied by RDSO approved vendor. (Inspection by RDSO) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply, installation, testing & communication of Numbers Linear Heat Sensing (LHS)/Linear Heat Detection (LHD) Interface module with all accessories for integration with main line fire alarm control panel as per RDSO specification No. RDSO/SPN/217 / 2025 ver-3.1 or latest. It should be UL/FM/Vds/LPCB approved/listed. Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply, Installation Testing and commissioning Metre of Analogue type Linear Heat Sensing cable/Linear Heat Detector hollow metallic pneumatic tube type with required module to be integrated on main Fire Alarm Panel as per specification No. RDSO/SPN/217 /2025 ver-3.1 or latest. It shall be laid in all cables tray located in power equipment room, relay room & telecom room and should be UL/FM/Vds/LPCB approved/listed. Note: Spare cost is also included & to be supplied as per RDSO para no. 4.15 or latest. Material to be supplied by RDSO approved vendor. (Inspection by RDSO)

Supply of CO2 Fire extinguisher 4.5 kg capacity Numbers confirming to IS 15683: 2018 or latest with ISI mark provided with all fittings and accessories. (Inspection by RDSO)

INTEGRATED SMOKE & HEAT DETECTOR TESTER Numbers WITH SMOKE CHAMBER CLEANING FEATURE, (REQUIRED FOR COMMISSIONING, TESTING & MAINTENANCE OF SMOKE & HEAT DETECTOR) CONTAINS FOLLOWING ACCESSORIES: SENSOR UNIT-1, BATTERY ROD-1, INJECTOR1, MIST LIQUID-1, CHARGER-1, CONNECT ROD-4. (Warranty Period: Up to 24 months from the date of delivery.) (Inspection by RDSO)

Supply of Smoke Detectors Tester Spray Solo Numbers A10S Canned Smoke Detector Tester 250 ml Product Code: Solo A10S, UL certified. (Inspection by RDSO)

Supply of Loop Card (As per RDSO Specification Numbers No: RDSO/SPN/217/2025 ver-3.1 or latest. Note: Material to be supplied by RDSO approved vendor. (Inspection by RDSO) Total 870026.30

Item Breakup - B3-Material Supply (Store)

Supply & installation of 'C' class surge Numbers protection arrangement at feed end DC Track Ckt Specn no. As follows: - voltage 230 V AC rated voltage 350V AC DIS. CAP 10KA TO 20 KA TIME 100 MILI second protection 1.2V degree protection IP.20 TEC-61643-1. Inspection: by consignee. (Inspection by representative of Sr.DSTE/CKP) CKP-DIVN- S AND T/SOUTH EASTERN RLY

Supply of Class B & C Surge protection Device Set (SPD) -Type I & II with Visual Indication and Potential free contact to remote monitoring as per Specification No. RDSO/SPN/165 /2023 Ver 4.0 or latest and IEC standard 61643 or latest and IEC 62304-5 or latest for Single phase 230V AC application with handling Lightning surges of 10/350 microseconds and Switching surges of 8/20 microseconds .One Set consists of 3 nos. of SPD (2 No. of B Class (L-N, N-E) and one no. of C Class (L-N) all enclosed in a Box with KEMA or VDE certified as per latest IEC 61643-11- 2011 Standard or latest. Class B & C Surge protection device required with Three modules o n l y . (Inspection by representative of Sr.DSTE/CKP)

Supply of low voltage Glass Fuse of size 5x20 Numbers mm having rating of 250 mA/400mA/ 630mA/ 1A/1.6A/2A/4A/6A/10A/16A or decided by Engineer in charge. Make: Nandi, Reliance, CEI or better. (Inspection by representative of Sr.DSTE/CKP)

Supply & transportation of SMPS based Set Integrated Power Supply System (Mini IPS for LC gate) as per Specification No. RDSO /SPN /165/2023 Ver. 4.0, Amdt.1 or latest and conforming to SE Railway Drawing No.SK/DRG/OL/SER/237 dated 16.09.2011 along with 2V/120 AH Low maintenance Lead Acid (LMLA) Battery Bank with complete accessories required for installation of IPS Cables: i) Between IPS System to ASM Panel-12 Core x 1.5 sq. mm = 35 mtrs, ii) System to Battery Bank-10 sq. mm =25 mtrs. Tools & Spare: It is to be supplied as per Annexure I & IV of RDSO specification. (Inspection by RDSO)

Supply and Installation of Lightening Protection Set System Class A type, detail as follows- (1) Lightening arrester technology: Advance Early Steamer Emission or Franklin Rod type. Material: High current discharge stainless steel. International standards: NFC 17- 102. (2) Mast material: FRP pipe and high-grade aluminium. Dimension: 50mm. length: 2 metres FRP pipe and 2 metres high grade aluminium mast. (3) Down conduct cable: PVC insulated copper cable. Dimension: 50 Sq. mm, length: 75mtrs (per set) Lightning strike counter number of counts: 6 digits. Current sensitivity: 1KA to 200 KA, 8/20 & 10/350 micro/Sec. induction Shunt: 0.5 micro. (4) Two (02) No. of maintenance Free Earth with all required consisting as per Specication No. RDSO/SPN/197/2016 Ver 1.0 or latest with all required copper cables and strips.Installation of Class A type Lightening protection should be as per the TAN no:- STS/E/TAN/3006, version- 3.0 ; dated:- 08.01.2025 (TAN Specs attached as Annexure.) Accepted Offer: Make- PRAGATI or Similar. (Inspection by representative of Sr.DSTE/CKP) Total 1024942.00