Replacement of defective Signaling Cable of Various sections of Samastipur division.

I-SOR Items-S&T-ECR-2026 Version-1.0, Dated 6.03.2026:

Laying cables of different sizes as per cable route plan approved by Railway and meggering of all main & tail cables as per technical specification of tender. ii)2 core to 12 core signalling cable. Above/

Excavation of Trench in all kinds of soil and refilling of trenches (1.2 Mtr, Depth, 300 mm Width) - without bricks. Note:- (I) Payment will be made as per actual work done on pro rata basis, if required depth is not available at site. (II) If the depth of trench is not uniform in a span of 100 mtr.or shorter length, if site condition demands along the cable run minimum depth will be taken for that particular stretch for payment. Above/

Installation of Double Wall Corrugated (DWC) pipe with socket coupler. This includes trenching 1.2 mtr. Depth and back filling. Above/

Supply of G.I. Pipe with threaded collars of 100 mm nominal bore specn. No. IS 1239 medium grade. Perforated of required length on bridge / below metaled road/ L-xing /Culvert as per technical specification of tender. A) Supply portion for the G. I. Pipe & collars. (Insp.-RITES). Above/

Fixing of G.I. Pipe with threaded collars of 100 mm nominal bore specn. No. IS 1239 medium grade. Perforated of required length on bridge / below metaled road/ L-xing /Culvert as per technical specification of tender. B) Execution with remaining miscellaneous materials. Above/

Supply of galvanized iron trucking with cover of same materials as per DRG. No. SGW/MGS/C7/91 and fixing on 06 girder bridges including supply of channel, angle iron, bracket units, nuts and bolts of proper size & fitting of support at an interval of 1mtr including laying of cables inside the trough & filling with bitumen compound as per spec. no. IRS:TC-25/76 after cable is laid. Bitumen compound and other materials as required for the work shall be supplied by the contractor. a) Supply portion . (Insp.- RITES). Above/

Fixing of galvanized iron trucking with cover of same materials as per DRG. No. SGW/MGS/C7/91 and fixing on girder bridges including supply of channel, angle iron, bracket units, nuts and bolts of proper size & fitting of support at an interval of 1mtr including laying of cables inside the trough & filling with bitumen compound as per spec. no. IRS:TC-25/76 after cable is laid. Bitumen compound and other materials as required for the work shall be supplied by the contractor b)Execution Portion. Above/

Reinstatement of platform and repairing to original state after cable laying work. Above/

Casting, Concreting and Curing of foundation and erection for full apparatus case(GKP- type) as per DRG No. SGW/MGS/L1/91 including cost of all materials required for fixing holding down bolts, casting, concreting and fixing of "E" type lock. Note :i) The contractor will provide holding down bolts, ii) Bottom of apparatus cases should be filled with sand and the top surface covered with masonry work and neat cementing. Above/

Fixing, wiring of terminal strips, Bakelite strip, transformers, relays fuses with base and supply and fixing of shelves 10 for full apparatus case with termination earthing of cable and wiring with lettering as required including supply of wires and miscellaneous materials, sand filling and plastering over sand filling per location.(All materials except transformers, relay, terminal strips, Bakelite strip and fuses with base to be supplied by the contractor.) Above/

Casting, Concreting and Curing of foundation and erection for Half apparatus case (GKP- type) as per DRG No. SGW/MGS/L1/91 including cost of all materials required for fixing holding down bolts, casting, concreting and fixing of ""E"" type lock. Note: i) The contractor will provide holding down bolts, ii) Bottom of apparatus cases should be filled with sand and the top surface covered with masonry work and neat cementing. Above/

Fixing, wiring of terminal strips, Bakelite strip, transformers, relays fuses with base and supply and fixing of shelves for Half apparatus case with termination earthing of cable and wiring with lettering as required including supply of wires and miscellaneous materials, sand filling and plastering over sand filling per location.(All materials except transformers, relay, terminal strips, Bakelite strip and fuses with base to be supplied by the contractor.) Above/

Supply of full size location box as per design of GKP signal workshop. (Insp.-RITES). Above/

Supply of Half size location box as per design of GKP signal workshop. (Insp.-Consignee). Above/

Supply of E-type lock without key,spec.no.IRS-S-30, Drg.no.S-3376/M key -S-3377/M. Individual number of miniature E locks and Normal size of locks required at site to be decided by the site engineer as per site requirement. (Insp.-RDSO). Above/

Key for E type lock supplied above. (Insp.-Consignee). Above/

Filling earth around location box/signal post for a width of 0.5 m on all sides, upto a level of 150 mm below the foundation top. This work includes consolidation of earth by watering (Unit CUM means per CUM)watering. Above/

Supply of Bakelite Strip/Sheet of size (950 x 75 x 12) mm. For fixing 30 nos. ARA terminals/Fuse base terminals/Fuse base. (Insp.-Consignee). Above/

Supply of slotted angle (40x40 x 2 mm). (Insp.-Consignee). Above/

Supply of paper base hylumsheet 12 mm thick. (Insp.-Consignee). Above/

Supply of PBT ARA terminal as per IRS SPECN No. IRS:S- 75-91. i)6 way. (Insp.-RDSO). Above/

Supply of PBT ARA terminal as per IRS SPECN No. IRS:S- 75-91 ii) 1 way.(Insp.-RDSO). Above/

Supply of basic material to construct unit Maintenance Free Earth for Single Earth consisting as per Spec. Nos. RDSO/SPN/197/2016 Ver 1.0 or latest, bonding connections drawing Nos. 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 23 marked -1 Nos. (b) Earth Enhancement compound supplied in sealed bags of min 30-35 Kg.- 1 Nos. (c ) Copper Strip of 200mm x 25mm x6mm to exothermically welded to Earth electrode- 1 Nos.(d)Copper Strip of 300mm x 25mm x 6mm (MEEB) - 1 Nos.(e) Copper Strip of 150mm x 25mm x 6mm (SEEB)- 1 Nos. 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. (Insp.-RDSO). Above/

Installation of Single Maintenance Free Earth pit as per RDSO Drawing Nos. 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 o f 3.0 meter electrode and penetrating it minimum 150 m m b y pushing gently with sledge hammer where the natural soil is assumed. (c) Filling of earth pit w ith Earth Enhancement Compound (EEC) in slurry form a n d backfilling. ( d ) Carrying out 24 exothermic weld connection on single earth electrode t o a copper tape o f 200 x 2 5 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. Above/

Supply and transportation of Earth Electrode as per Drg.Nos.RE/33/P/7021 (MOD.''F'') or latest. (Insp.-Consignee). Above/

Supply and transportation of Earth Leads 50mmx6mm mild steel for earthing as per Drg. Nos. RE/33/P/7021 (MOD. ''F'') or latest. (Insp.-Consignee). Above/

Excavation of earth pit, placing & fixing of Earth electrode with construction of cement enclosure to SEM Drawing Nos. 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. Above/

Transportation of HDT machine with accessories including handling of stores materials, preparation of site and boring of 110mm dia or above to suit site requirement and placing HDPE pipe of size 63 to 50 mm in single / double /triple etc required for crossing/laying of RailwayS&T cables in a combination of quad & signalling cables etc. as per required comprising upto 72 cores in any HDD section on land/bridges / culverts / track /pucca road crossing and blowing pulling of Quad /S&T cables within HDPE pipe. Boring of trench shall be minimum 3 (three) meter or more below the river bed, 01 (one) Mtr below or more the track 28 and 1.5 (one point five) meter below or more other lands including road /pucca road crossing area. This includes supply of permanently lubricated HDPE pipe of size 63 to 40 mm dia& its accessories suitable for HDT as per Specification No.RDSO/SPN/TC/45/2013 Rev.2.0 with Amdt. 3 or latest amendment & cost of the fuel and all other items which will be required for laying of cable through it. Inspection : RITES for HDPE pipe NOTE: The number of HDPE pipes (of any dia as mentioned above) to be pulled in any HDD section will depend upon the numbers of S&T cables to be pulled through that HDD section as per site requirement. At a particular site, the second / additional HDD is to be done only after completing the pullingof 72 cores of cable through 1st HDD other wise the second / additional HDD will not be counted as a new/additional HDD for the purpose of billing. Only S&T cables to be supplied by Railway. Printed Cable sketch plan showing dirversion& depth, which shall be generated by machine to be submitted by firm just after every boring & to be submitted while billing. (Insp.-RITES). Above/

Excavation of trench less trench/manual boarding paring size upto 110 mm) up to a depth of minimum 1.0 meter along with laying of HDPE/DWC pipe and its accessories, all other items which will be required for laying of cable through HDPE/DWC Pipe (Track/Road Crossing) as per requirement at site. (Insp.-Consignee). Above/

Concreting on Railway cables/S&T gears in ratio of 1:2:4 using cement of good quality, sand, stone chips of size 12 mm to be used for concreting purpose along with related missionary work. All materials required for execution of the work will be supplied by the firm as per site engineer. This includes water curing of concreted portion for minimum 3 days. Note: Suitable arrangement for continuous water curing to be ensured. Associated work of digging etc. to be done by contractor. Above/

Termination of cable cores on ARA terminals or on 8 way terminals in the cable termination rack. Above/

Loading & unloading of heavy S&T materials in 15 MT Truck (from store to site). (Unit-Each stands for per trip). Above/

Transportation of materials 15 MT capacity truck to site. Above/

Supply of Disconnect type Terminal, screwless, 2 IN 2 OUT (as per spec. no. RDSO/SPN/189/2004 or latest) along with all accessories including separators for fixing on Cable Termination Rack/Location boxes for Cable Termination Purpose. (Insp.-RDSO). Above/

Fixing installation of disconnect terminal (Wago or Similar) on relay rack/ctr/location with steel carrier rail. Above/

Supply of Non deteriorating type low voltage cartridge fuse as per Spec. No. IRS/S/78/92. Round head type. (a) 2 Amp. Capacity. (Insp.-RDSO). Above/

Supply of Non deteriorating type low voltage cartridge fuse as per Spec. No. IRS/S/78/92. Round head type. (b) 6 Amp. Capacity. (Insp.-RDSO). Above/

Supply of Non deteriorating type low voltage cartridge fuse as per Spec. No. IRS/S/78/92. Round head type. (c) 16 Amp. Capacity. (Insp.-RDSO). Above/

Supply of PBT fuse block with inserts cartridge type, to be mounted inside the location Box/ Relay Rack. Fuse Base (DRG No. SA - 23748, IRS: S-75/91).(Insp.-RDSO). Above/

Supply of PBT fuse block with inserts cartridge type, to be mounted inside the location Box/ Relay Rack. Fuses (2A, IRS : S-78/92).(Insp.-RDSO). Above/

Supply of Thermo-shrink jointing (TSF) kits for jointing underground Quad cable of size 0.9mm/1.4mm diameter conductor for straight/condenser/Y- (Derivation)/Loading Coil/Transformer Joints as per Specification Nos. IRS-TC-77/2012 Rev.3 with Amd. 3.0 or latest.(Insp.-RDSO). Above/

Execution of Straight joint on Quad cable/ jelly filled Telecom cable using Thermo-shrink/Universal jointing kit 42 (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. Above/

Supply of VF Transformer (1120:470/ 1120:1120/ 470:470/470:600/ 1200:600 Ohm) as per Specification Nos. IRS- TC-76/2021 Ver 1.0 or latest (Cylindrical type) or IRS/TC/22/ 2021 Ver 1.1 or latest (Rectangular type).(Insp.-Consignee). Above/

Supply of 24 Fiber OFC Joint Closure as per Specification Nos. RDSO/SPN/TC/68/ 2014 Rev 1.0 or latest complete with all accessories including sealing with mechanical clamp facility. (Insp.-Consignee). Above/

Splicing of Optical Fiber Core and routing in joint closure/FDMS as per instruction of site Engineer. Above/

Construction of OFC jointinhg pit of size 1m x 1m x 0.6m, using bricks, snd and cement in the ratio 1:3. The thickness of the wall shall be 120mm, The top cover shall be of concrete of thickness 75mm with two iron handles on top of it. The pit shall be covered with sand after putting the joint enclosure. All construction material to be supplied by contractor. Above/

Painting of two coats of enamel paints lover one coat of red oxide primer and there after numbering on the following items after scraping and cleaning of the surface where ever necessary. Primer and paints both Asian paint make are to be supplied by the contractor. Numbering is to be as per practice of the ECR and directives of the site Engineer. (i) Location boxes inside and outsided surfaces with Aluminum paint. (a) Single case. Above/

Painting of two coats of enamel paint over one coat of red oxide primer and there after numbering on the following items after scraping and cleaning of the surface where ever necessary. Primer and paints both Asian paint make are to be supplied by the contractor. Numbering is to be as per practice of the ECR and directives of the site Engineer. (i) Location boxes inside and outsided surfaces with Aluminum paint. (b) Half case. Above/

Dismantling & Releasing of following S&T gears. The work includes transportation of the released material to the store of respective Consignee's store (will be mention in Tender documents.) and properly stacking the same in the store. The rate shall cover the cost of tools and plants, ladders, scaffoldings, all other adjuncts required for the works. c) Location box /Junction box which includes releasing of terminal board, relays, terminals, batteries and chargers. Above/

"Shifting of location boxes with manual labour, JCB or poclain machine by exposing the cable gently without any damage to location box and inside signalling gear. " Unit

II-Non Scheduled Items:

Supply of Double Walled Corrugated (DWC) Pipe/duct with associated collars etc. as per RDSO Specification No. 51 RDSO/SPN/204/2011 or latest anti-rodent & anti-oxidant and non flame propagating type in 6 meters straight length and of size 120 mm outer dia,& 103.5 mm inner dia. (The manufacturers, suppliers must produce valid IS license and should be certified under ISO 9000 and shall submit copy of certificate). One coupler with suitable rubber O-ring should be supplied with every 6 mtr of pipe length.(The total quantity of above items is equal to no. of pipes supplied.) DWC pipe shall be marked at every 1 mtr length in such a way that manufacturer's name, vendor name and year of manufacture can be easily identified. (Insp.-RITES). Above/

Repair of PUCCA Roads to original state in level x-ing area after cable laying works. Above/

Supply of Insulation Monitoring Device with fault locator kit for Railway signaling and telecommunication (S&T) systems with article ID:I30120001 of M/s Bender India Private Limited make or similar 1. Includes of following (i) iso685-D-P 53 Insulation Monitoring Device (IMD) with integrated locating current injector. (ii) EDS195PM Insulation fault locator (iii) PSA3052 Measuring clamp 52mm (iv) PSA3352 Measuring clamp 52mm (v) EDS195PM Accessories for 1no of USB power supply unit: Primary :100...240 V, 50...60 Hz Secondary: DC 5 V, +/- 10 %, Power consumption 0.5 W (vii) so685-D-P Accessories for 3nos of safety measuring cable black along with clamps and 2nos Safety measuring cable green/yellow along with clamps for system connection and 1no Auxiliary supply cable. 2 days of on site training will be provided at 5 locations. (Insp.-RITES). Above/

Supply of Cable fault locator with low insulation meter for cable testing of cable fault location in telecom twisted 6- Quad cable, Railway signalling cable, power cable, etc. up to 16/20 km. (Make: Radio detection/ATTL- FM 111/Stanlay-ST 90/Motwane TFL B5) or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand. (Insp.-RITES). Above/

Supply of Cable route locator/tracer set suitable for Detecting undergroundarmored optic fiber cable (OFC] and signaling cables with LCD Graphic. Displayactive/passive modes and depth range 3M-10M. Make- Stanly ST LOC 10 GPS/Radiodetection RD 8200G-TX10/Vivax Loc3-10Tx or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand. (Insp.-RITES). Above/

Supply of insulation resistance Tester 500V DC 100 Mega Ohms hand generator type metal body to Spec. no. IS:2992 with accessories carrying case and testing kit. Make WACO model -WI 502/ CIE 444/Kusam Meco KM 03 or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand. (Insp.-Consignee). Above/

Supply of Digital Earth Tester 0.01 to 99 Ohms resolution in 5 ranges 4 terminals type with all facilities Make Stanlay SET340/Meco KM 2040/UT572 or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand.(Insp.-Consignee). Above/

Supply of hand Held Digital Multimeter having special feature like Bluetooth, dB measurement and True RMS facility make-Stanly model-SMM180/Kusam-Meco KM 891/Fluke-179 or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand. (Insp.-Consignee). Above/

Supply of Clamp meter digital type with AC/DC clamp, three & three forth digit (3 & 3/4 digit) as per specification attached Make-Stanly Model - SCM222/fluke 325/Motwane 39A or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand.(Insp.-Consignee). Above/

Supply of Digital Insulation Tester fluke 1507/ Stanone SIT 500/Kusam-Meco KM 877 or superior. The item should be supplied with successful demonstration, and the material should be branded, from a well-known reputed brand.(Insp.-Consignee). Above/

Supply of Non deteriorating type, Round head type, low voltage cartridge No. fuse as per Spec No IRS: S-78/2006 with latest amendments, 4A/8A/10A rating capacity (as per requirement). (Insp.-RDSO).