Reliability Improvement for Replacement of Over Due Relays, LEDs on age cum condition basis at ASTE-1-HWH Section.

A-Reliability Improvement for Replacement of Over Due Relays, LEDs on

Q-Series Magnetically Latched Neutral Line Relay (QL1 Type), 11F/4B, 24V DC complete with plug board (base plate), connectors and retaining clips and conforming to BRS-935A and RDSO Specn.No. IRS: S-34 & S-23with Amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABDEG". Inspection authority:- RDSO Above/

Q-Series Magnetically Latched Neutral Line Relay (QL1 Type), 8F/6B, 24V DC complete with plug board (base plate), connectors and retaining clips and conforming to BRS-935A and RDSO Specn.No. IRS: S-34 & S-23 or latest. The interlocking code for this unit shall be "ABCEG". Inspection authority:- RDSO Above/

Q-Series LED ECR (Universal Type i.e. QECX- 61), 4F/4B complete with plug board (base plate), connectors, retaining clips etc and conforming to BRS:94 1A STS/E/RELAYS/AC LIT LED SIGNAL/09-2002, Amdt. -1 and RDSO Specn.No.IRS: S-34 & S-23 with Amdt. upto date as applicable or latest. The interlocking code for this unit shall be "ABDHK".Inspection authority:- RDSO Above/

"Q-Series Line Relay (QNA1 Type),AC immunized, 8F/8B, 24 V DC along with plug board (base plate), connectors, retaining clips etc and conforming to BRS-931A and RDSO Specn. No.IRS: S - 34, S-23 and S-60 or latest. The interlocking code for this unit shall be ""ABDGH"". Inspection authority:- RDSO" Above/

"Q-Series Line Relay (QNA1 Type), AC immunized, 12F/4B, 24 V DC along with plug board (base plate), connectors, retaining clips etc and conforming to BRS-931A and RDSO Specn.No.IRS: S - 34, S-23 and 5-60 with amdt. upto date as applicable or latest. The interlocking code for this unit shall be ""ABDFH"". Inspection authority:- RDSO" Above/

Q-Series Neutral Line Relay (QN1 Type), 12F/4B, 24V DC complete with plug board (base plate), connectors and retaining clips etc and conforming to BRS- 930 and RDSO Specn.No.IRS: S-34 & S-23 with Amdt. upto date or latest. The interlocking code for this unit shall be "ABCDE". Inspection authority:- RDSO Above/

"Q-Series Track Relay (QTA2 Type), AC immunized, 9 Ohms, 2F/1B along with plug board (base plate), connectors, retaining clips etc and conforming to BRS:939A & 966(Appendix F2) and RDSO Spec No. IRS:S 34, S-23 with amdt. upto date as applicable or latest with latest amdt. or latest. The interlocking code for this unit shall be ""FGHKX"". Inspection authority:- RDSO " Above/

"Q-Series Neutral Line Relay(QSPA1 Type), 24V DC,8F/4B along with plug board (base plate), connectors, retaining clips etc and conforming to BRS-933A and RDSO Specn.No.IRS:S - 34, S- 23 & S 60 with amdt. upto date as applicable or latest. The interlocking code for this unit shall be ""ABDEJ"". Inspection authority:- RDSO" Above/

Contactor Unit (QBCA 1 Type), 24 V DC, 2F(HD)/ 4B or 2F(HD)2F-4B complete with plug board (base plate), connectors, retaining clips etc and conforming to BRS- 943 and RDSO Specn.No.IRS: S-34 & S-23 with amdt. upto date as applicable or latest. The interlocking code for this unit shall be "BCEJK" or "DEHJX". Inspection authority:- RDSO Above/

"Supply of LED Signal lamps for Main colour light Signal, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) or latest. Inspection: RDSO" A)RED Aspect Above/

"Supply of LED Signal lamps for Main colour light Signal, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) or latest. Inspection: RDSO" B)YELLOW Aspect Above/

"Supply of LED Signal lamps for Main colour light Signal, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO/SPN/ 199/2010(Rev.1) or latest. Inspection: RDSO" C)GREEN Aspect Above/

"Supply of various LED signals {Subsidiary Signal}, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO /SPN/153/2011 (Rev.4.1) or latest.Inspection: RDSO" A)LED for Route Aspect Above/

"Supply of various LED signals {Subsidiary Signal}, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO /SPN/153/2011 (Rev.4.1) or latest.Inspection: RDSO" B)LED for Shunt Signal Aspect Above/

"Supply of various LED signals {Subsidiary Signal}, 110V AC retrofittable in existing CLS housing and compatible with AC LED ECR as per RDSO Specn. No.RDSO /SPN/153/2011 (Rev.4.1) or latest.Inspection: RDSO" C)LED for Calling ON Signa1 Aspect Above/

"Supply of 1 x 6 Sq.mm. Green multi strand copper power wire as per IS:694:20 10 or 16 latest, 84 conductor each dia 0.30mm +/- 0.01 with insulation thickness of 0.8 mm and nominal conductor resistance of 3.3 ohms/km and test parameters as per RDSO Specn. No.IRS:5- 76/89(Amnd.3) or latest.Colour of the wire which is required will be specified by the Engineer incharge. Inspection: (i) RDSO/RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board." Above/

"Supply of 1 x 10 Sq.mm. {Green} multi strand copper power wire as per IS:694:20 17 10 or latest, 140 conductor each dia 0.30mm +/- 0.01 with insulation thickness of 1.0 mm and nominal conductor resistance of 1.91 ohms/km and test parameters as per RDSO Specn.No.IRS:S- 76/89(Amnd.3) or latest.Colour of the wire which is required will be specified b y t h e Engineer incharge. Inspection: (i) RDSO/ RITES if value of item in work more than 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board." Above/

"Supp1y of 1 x 16 Sq.mm. {Green} multi strand copper power wire as per IS:694:20 18 10 or latest, 126 conductor each dia 0.40mm +/- 0.01 with insulation thickness of 1.0 mm and nominal conductor resistance of 1.21 ohms/ km and test parameters as per RDSO Specn. No.IRS: S- 76/89(Amnd.3) or latest. Colour of the wire which is required will be specified b y t h e Engineer incharge. Inspection: (i) RDSO/RITES if value of item in work more than 5 lakhs(ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board." Above/

"Supply of 1 x 35 Sq.mm. {Green} multi strand copper power wire as per IS: 19 694:2010 or latest, 276 conductor each dia 0.40mm +/- 0.01 with insulation thickness of 1.2 mm and nominal conductor resistance of 0.554 ohms/km and test parameters as per RDSO Specn. No.IRS: S-76/89(Amnd.3) or latest. Colour of the wire which is required will be specified by the Engineer incharge. Inspection: (i) RDSO/ RITES if value of item in work m ore tha n 5 lakhs (ii) Consignee subject to procurement from RDSO approved vendors if value of whole item in work less than 5 lakhs as per extant instructions by Railway Board." Above/

Provision of cement concrete enclosure for earth electrodes as per DRG. NO. S&T/C- 36(NKG). This includes supply of all materials by the contractor duly inspected by consignee. Above/

Supply of MS FLAT (SPEC. NO. 226 STD or latest) of size 35 mm x 6 mm with length 5 mtr with holes of 12 mm dia at both ends as per CSTE /ER'S DRG.NO.SI/TYP/0097 DTD. 25.03.25 (or latest). Inspection : RITES. Above/

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

Supply of 50mm x 6mm GI tape for interconnecting earth electrodes. Inspection: Consignee Above/

"Supply of Permanently Lubricated HDPE Telecom duct of size 50/42 mm and 24 accessories as per latest Specification TEC GR No. GR/TX/CDS- 008/03/March 11 with latest amendment or Latest in length of 1000 mtrs/roll. Duct to besupplied from TEC approved sources. . For each km. Of HDPE duct following items are to be supplied (a) end plugs-2 nos. (b) cable sealing plugs - 2 nos. (c) plastic couplers slip fit/push fit type-2 nos. (d) end plugs to be provided along with drum 2 nos." Above/

"Supply of Handheld Digital Earth Clamp Tester for clamp on earth/ground resistance measurement up to 1000 ohms. Accuracy 0.1 - 0.99 D: 1%, 1 - 49 D: 1.5% Also measure current leakage u p t o 20A. N o spines required for measurement Model - DECT-2 or equivalent / higher version make Motwane/ Stanlay/ Fluke/Megger.Item t o be supplied after successful demonstration and Approval of Railway. Inspection: Consignee" Above/

Supply of earth electrode mild steel galvanized, light class, IS:1239(PART-I) - 26 1979.earth electrode pipe should be with 3 mm thick, 50 mm dia and perforated(staggered),5 mm dia holes, 2 nos per 305 mm length with clamp of MS FLAT(galvanised) of size 35 mm x 6 mm (SPEC. NO.226 STD). Earth pipe should include CI threaded cap. Materials to be procured and designed as per CSTE /ER'S DRG.NO.SI/TYP/0097 DTD. 25.03.25. Inspection: - BY RITES [for value of material above Rs. 5.O lakhs.]. Inspection by consignee [for value of material below than Rs 5.0 lakh] Above/

Fixing of earth electrode including laying and installation of MS flat of size 35 mm x 6 mm with length 5 mtr or as per extant practice of Eastern Railway. As per CSTE /ER'S DRG.NO.SI/TYP/0097 DTD. 25.03.25 for apparatus cases, signal post & other equipment as per 27 instruction of site engineer. Provision for fixing M S fl a t a t apparatus cases/ signal post/other equipment should be made by the firm at site. Full threaded bolts of 10 mm dia and length 40 mm should be welded in the apparatus cases in such way that the MS flat at apparatus case end can be fixed from outside or from inside. Welding arrangement with accessories a n d welding materials should be arranged by the contractor for fixing of bolts at equipment end where required as per instruction of site engineer. All hardware and other miscellaneous materials required for installation to be supplied by the contractor except earth electrodes and MS flat. Note:-all materials required to be arranged by the contractor except 2 core cable will be supplied by the railway. Above/

"Carrying out wiring of potential free contact of SPD with Datalogger via Tag Block 28 and validation in Datalogger. These work includes the releasing of existing unused wires and wiring the relays using 16/0.2 mm copper wire as per RDSO Spec. Wire to be procured from RDSO's approved source Inspection : Consignee Note: - (i) wire to be procured from RDSO's approved source only. All required material like wire, soldering material, paint etc. to be supplied by the contractor for execution of the work. (ii)'No' in the unit column indicates 'Per SPD'" Above/

Excavation of cable trench as per cable route plan, 1.2 Mtr. deep and of 0.3 Mtr. to 0.6 Mtr. wide at bottom without brick alongside the track in all kinds of soil, conforming to distances as per cable route plan and refilling. This work includes clearing of route from bushes etc. The work 29 shall be done as per the extant practice on Eastern Railway and instructions of Railway Engineer at site. Note:-(a) for all trenches from distant signal to home signal and to relay room, the minimum headway above the uppermost cable in the trench should be 600mm. If due to a large no. Of cables headway is not available, 4" of 1:2:4 concreting should be done. Note:-(b-1) payment wifi be made as per actual work done on pro-rata basis, if required depth is not available at site. (b-2) if the depth of trench is not uniform in a span of 100 mtr. Or shorter lengths if site condition demands along the cable run, minimum depth will be taken for that particular stretch for payment. Above/ Running

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

Earthing of relay rack and power equipment etc. to be done along with the supply of all requisite materials, Earthing shall be in the form of Ring Earth conforming to RDSO spec 31 RDSO/SPN/197 Ver.1.0 or Latest (with a minimum 10 maintenance free earth electrodes) and as per CSTE/ER/Kolkata's technical circular No.92, using copper rings with earth resistance less than 1 ohm. The earthing shall be maintenance free. The ring earth shall be connected to copper flat of size 25x3 mm in the relay room and IPS room. The copper flat fixed on the wall to the entire breadth of Relay room and IPS room as an earth bus bar and all earth connections shall be taken from it. A, B ,C & D class protection shall be provided for all EI equipmentlnepection: Consignee Above/

Supply of full size apparatus case (GKP type) (as per DRAWING NO. SW SK NO. 4/90 & 32 & other applicable GKP SW Drawing). This includes supply of location box (GKP type) with 'E' type lock & key, fitted on location door on both side, E Type lock (ward No will be specified by Engineer-in Charge) as per RDSO Drg. No. SA 3376 and Key to Drg. No. 3377 as per RDSO drawing No. RDSO/S- 11500. Inspection: (i) RITES if value of item in work more than 5 lakhs or as per extant policy (ii) Consignee subject to procurement from RECOMMENDED L I S T O F F I R M S FOR MECHANICAL SIGNALLING ITEMS if value of whole item in work less than 5 lakhs or as per extant policy Above/

Casting, concreting and curing of concrete foundation ((in ratio 1:3:6), erection and installation of full size apparatus case (GKP type)/Stainless Steel (SS) Apparatus Case as per 33 DRG.NO. S&T/C-6/98(NKG) with 'E' type lock on CC foundation. This includes cost of all materials required for fixing holding down bolts, casting, concreting. Note: - bolts, nuts and washers, bitumen compound to be supplied by contractor and bitumen compound to be used in between apparatus case and foundation as per site engineer. This also includes bottom of apparatus cases filled with sand and the outside covered with masonry work and neat cement plastering. Note: - Location boxes to painted with anti- corrosive paints as per IS:- 9862-1981, one and half feet from the bottom, on all surfaces- both inside and outside. Inspection: Consignee Above/

Fixing by slotted angle, wiring of terminal strips, hylam strip, relays, fuses with base, fixing of hard wood shelves for full size apparatus case with termination & Earthing of cables and 34 wiring with lettering as required including supply of slotted angles, wires, ferrules for marking and miscellaneous materials per location to be supplied by contractor. (all materials except relay, terminal strips, Bakelite strip, fuses with base and hard wood shelves to be supplied by the contractor). Wires to be used for this purpose should be procured from RDSO'S approved firm and to be inspected by RDSO. [Quantity of wires to be specified by contractor]. NB- power cable to be terminated with proper lugs and required buss bar and other terminals to be supplied by the contractor. Inspection: Consignee Above/

Supply of hard wood shelves thickness 25 mm for keeping equipment's and batteries in the location box (FULL or HALF GKP /other type) with suitable varnish and anti-termite chemicals fitted on angles with nuts & bolts. Inspection: -Consignee (note-balance quantity may be taken from rly store if available) . A)950 x 400 x 25 MM for full size location box . Above/

Fabrication and fixing of phenolic laminated sheet of size 10/12/20 mm thick in Full Apparatus Case by providing all fixtures as per Railway Drawing including fixing of PVC coated string rods at the back side for cable support with contractor's own materials. The work shall be done as per instructions of Rly engineer at site. Inspection: Consignee Above/

Painting of two coats of synthetic enamel paint over one coat of primer on the following after scraping & cleaning surface wherever necessary with contractor's own supply of paints. Wherever required contractor shall apply coating of epoxy paint also as per instructions of site-in-charge. Epoxy paint will be supplied by Railways. NOTE: - The paint and primer should be from Asian Paints/ Nerolac / Dulux / Berger. The primer / enamel paints (Aluminum synthetic, black enamel, brilliant white and yellow) will be as per (IS 5660 of 1970) / (IS 2932 of 1974) of Apparatus Case Full Size. (Outside & inside) Above/

Supply of Limit Switch Set for boom lock proving. The material will be as per RDSO Specn. No.RDSO /SPN /208/ 2012/ Ver.2.0 and Amendment 1 or latest. Inspection: Consignee. Above/

Supply of unchanged Low Maintenance Lead Acid (LMLA) secondary cell, shelf mounting type conforming to RDSO Specn.No. IRS:5-88/2004 or latest with inter cell connectors, nuts and bolts etc. Inspection: RDSO A)2V, 300AH Above/

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

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

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

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

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

"Supply of System Card of WEBFIL make Universal Fail Safe Block Interface (UFSBI) equipment as per IRS:S- 104/2012, Ver. 0 or RDSO Spec. No. IRS: S-105/2012, Ver. 0 with latest amendments."Inspection: RDSO Above/

"Supply of communication Card of WEBFIL make Universal Fail Safe Block Interface (UFSBI) equipment as per IRS:S-104/2012, Ver. 0 or RDSO Spec. No. IRS: S- 105/2012, Ver. 0 with latest amendments."Inspection: RDSO Above/

"Supply of input Card of WEBFIL make Universal Fail Safe Block Interface (UFSBI) equipment as per IRS:S- 104/2012, Ver. 0 or RDSO Spec. No. IRS: S-105/2012, Ver. 0 with latest amendments."Inspection: RDSO Above/

"Supply of Feedback Card of WEBFIL make Universal Fail Safe Block Interface (UFSBI) equipment as per IRS:S- 104/2012, Ver 0 or RDSO Spec. No. IRS: S-105/2012, Ver. 0 with latest amendments."Inspection: RDSO Above/

"Supply of PSU Card of WEBFIL make Universal Fail Safe Block Interface (UFSBI) equipment as per IRS:S- 104/2012, Ver 0 or RDSO Spec. No. IRS: S-105/2012, Ver. 0 with latest amendments."Inspection: RDSO Above/

"Supply of Output Card of WEBFIL make Universal Fail Safe Block Interface (UFSBI) equipment as per IRS:S- 104/2012, Ver 0 or RDSO Spec. No. IRS:S-105/2012, Ver. 0 with latest amendments."Inspection: RDSO Above/

"Supply of SM Panel Card (8 ch. Reset) of CEL make MSDAC confirming to RDSO spec. no. RDSO/SPN/176/2013 Ver. 3.0 or latest. MAKE/BRAND- CEL Inspection: RDSO " Above/

Supply of Relay drive card for CEL make MSDAC as per RDSO Spec.no: RDSO/SPN/176/2013, Version 3.0 or latest.Inspection: RDSO Above/

"Supply of 1 X 2.5 Sqmm (36/0.3) (Green) multi strand copper power wire as per IS:694:2010 or latest, Inspection: Consignee" Above/

"Supply of Tinned Copper LUGs for fitting in Cable Size: 6 sqmm, Barrel Inner-dia: 4.0mm, Barrel Outter-Dia: 5.5mm, Barrel Length: 10mm, Stud Hole Center-dia: 8.2mm, Palm Width: 10.0mm, Thickness: 1.3-1.5mm, Lug Length: 24mm,Thimble Type: Ring. Inspection: Consignee" Above/

"Supply of Tinned Copper LUGs for fitting Cable Size: 10sqmm, Barrel Inner-dia: 4.7mm, Barrel Outter-Dia: 7.10mm, Barrel Length: 10mm, Stud Hole Center-dia: 9.9mm, Palm Width: 12.6mm, Thickness: 1.8, Lug Length: 27mm,Thimble Type: Ring. Inspection: Consignee" Above/

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

"Supply of Tinned Copper LUGs for fitting in Cable Size: 35 sqmm, Barrel Inner-dia:13 mm, Barrel Outter-Dia: 17 mm, Barrel Length: 12.2mm, Stud Hole Center-dia: 10mm, Palm Width: 12.6mm, Thickness: 1.8, Lug Length: 28-30 mm,Thimble Type: Ring. Inspection: Consignee" Above/

"Supply of Tinned Copper LUGs for fitting in Cable Size: 2.5 sqmm, Barrel Inner-dia: 2.4mm, Barrel Outter-Dia: 3.90mm, Barrel Length: 8mm, Stud Hole Center-dia: 5.2mm, Palm Width: 9mm, Thickness: 1.3-1.5mm, Lug Length: 17-19mm,Thimble Type: Ring. Inspection: Consignee" Above/

"Supply of Copper Strip 25X6 mm Inspection: Consignee " Above/

"Supply of Copper tape for BRC ( 25X2) mm. Inspection: Consignee" Above/

"Supply of Earthing powder ( Earth Enhancement Material ) as per Para 8.2 of RDSO Spn. No. RDSO/SPN/197 or latest Note :- Minimum weight of Bag should be of 10 KG. Inspection: Consignee " Above/

"Supply of Nut Bolts, Washer (Stainless Steel) as per the site requirement (One set consists of 1 Nut, 1Bolt , 2 washer & 2 spring washer) Note :- Hex Nuts, bolts and washers of size 5/16"" Inspection: Consignee" Above/

Supply of earth electrode mild steel galvanized, light class, IS:1239(PART-I)- 1979.earth electrode pipe should be with 3 mm thick, 50 mm dia and perforated(staggered),5 mm dia holes, 2 nos per 305 mm length. Earth pipe should include CI threaded cap. Materials to be procured and designed as per Drg No. SI/TYP/0097 dated 25.03.25 Inspection: - RITES Above/

Supply of 'ELBOW'- BENDS to suit GI pipes 50 mm dia (3.6 mm thickness) Inspection: Consignee Above/

"Supply of basic material to construct unit maintenance free earth as per RDSO Specs. No RDSO/SPN/197 Ver.1.0 or latest and conforming to RDSO Drg. No. SDO / RDSO/ E&B/001 or Latest. Necessary testing certificate of UL, IEC to be produced. It consist of following: (a) Copper bonded steel electrode of 3.0 m long, 17.2 mm dia with copper bonding thickness of minimum macrons and UL listed and marked = 1 no. Inspection: RITES" Above/

Supply of Fencing frame for ring earth area, location box and other S&T premises. (Height of fence would be of 1.5m) Above/

"Supply of ISI marked XLPE insulated PVC outer sheathed, FR-LSH, armoured with aluminium conductor cable1100V grade of size 2 core 70sq.mm as per IS no.7098 (part-1) 1988 or with latest amendment. Inspection: RDSO/RITES" Above/

"Supply and Execution of Exothemic Welds. This includes Welding Kit , Welding Powder, Mould and other necessary materials. Note- No. in unit column indicates per welding. Inspection: Consignee" Above/

"Installation of MEEB/SEEB/BRC with the insulators (As per the instruction of Site Engineer). Fitting materials & Insulator (Dough Moulding Compound Conical type of different Size) as per the site requirement to be supplied by the contractor. Note: 'No' in the unit column indicates 'per insulator' " Above/

"Installation of Unit Maintenance Free Earth . It includes ( i ) Digging the earth to the required depth. (ii) Insertion of electrode. (iii) Filling of earth enhancing compound (Approx.30 Kg) (iv) Provision of exothermic weld connections to copper Strip to the earth electrodes. (v) This also includes supply of CC cover 1.5 ft x 1.5 ft. 1 ft wall thickness 2 inch with cover 3-inch thickness. All material tools and features required for weld will be arranged by contractor. Inspection: Consignee. " Above/

"Segregation of Clean & Dirty wire ( Earth wire, wire from unprotected sources,etc.) in Relay Room and IPS Room. This includes supply of PVC pipe & PVC Trough of different sizes & fixing of it along with laying of dirty cable through PVC pipe/Trough. It also includes proper writing of "" DIRTY CABLE"" & "" CLEAN CABLE"" on the cable tray or PVC Pipe. Note- Job. in unit column indicates per Relay Room & IPS Room." Above/

"Segregation of Clean & Dirty wire ( Earth wire, wire from unprotected sources,etc.) in SM Room. This includes supply of PVC pipe & PVC Trough of different sizes & fixing of it along with laying of dirty cable through PVC pipe/Trough. It also includes proper writing of "" DIRTY CABLE"" & "" CLEAN CABLE"" on the cable tray or PVC Pipe. Note- Job. in unit column indicates per SM Room." Above/

"Segregation of Earth wire from equipment wiring in Location Box and Bunching. PVC Channels/ troughs to be provided and fixed Note- Job. in unit column indicates per Location" Above/

"Installation of GI Tape (50 X 6 mm) for connecting Main earth pit to other earth pit in case of loop earth Note: 'No' in the unit column indicates 'per pair of earth pit'" Above/

Welding for jointing MS flat width of different lengths strips connecting from Earth to location boxes/Signal post/Signal Unit for better continuity. Prior approval of welding material to be taken from Engineer In charge. Above/

Closing of Cable Entry Holes by concreat permanently. The materials required for the work i.e cement ,Sand,1/4'Stone chips etc. will be supplied by the contractor. Above/

"Fixing of Down Conductor through HDPE Pipe for A'- Class Surge Arrestor. HDPE pipe will be supplied by Rly. Note :- No. in Unit column indicates per Arrestor." Above/

Increasing the height of 'A' Class Surge Arrestor (3 Mtrs. above of VHF Antena). Dismetalling of existing 'A' Class Surge Arrestor & refixing as per the instruction of Rly. site engineer. All the item required for cement concreating & refixing will be supplied by the contractor. Above/

"FIXING OF FENCE AROUND THE RING EARTH AREA AND OTHER MISCLLANIOUS WORKS TO BE EXECUTED. THIS JOB INCLUDES CUTTING AND WELDING OF MS GRILL , DRILLING, 79 CEMENT CONCRETING. THIS WORK TO BE EXECUTED IN ONE RING EARTH AREA AS PER THE INSTRUCTION OF RAILWAY SITE ENGINEER(S). ALL THE MATERIALS (i.e SAND, CEMENT, STONE CHIP ETC) & MANPOWER TO BE SUPPLIED & PROVIDED BY THE CONTRACTOR EXCEPT MS GRILL FENCE . As per 'Typical fencing for earthing S&T installation' Annexure-III (c) of document no. RDSO- Sig0SPD(PROJ)/1/2020 ver 0.0 dtd 01/01/25. Note: Per foundation of fence would be of 250mm X 250mm with 300mm minimum depth. " Above/

"Provision of Concreate Path Way (500 mm Width) from One Earth pit to the consequtive Earth Pit. & Painting of Earth Pit As well as concreate path way. This includes supply of Bricks, Cement. Sand, Stone chip & Paint of good quality. " Above/

"Installation of GI Wire in location Box and soldering / Trinkering of cable armour. This includes Releasing of existing armour connection from existing GI wire and replacement with new GI wire and resoldering of armour with New GI wire. Note: 6 SWG (4mm dia) GI wire and soldering material to be supplied by the contractor." Above/

SUPPLY & INSTALLATION OF ELEC. LIFTING BARRIER GATE SPARE PARTS AS PER RDSO SPECIFICATION RDSO/SPN/208/2012 VER. 2.0 OR LATEST. AND MATERIALS SHOULD PROCURED ON RDSO APPROVED FIRM OF M/s URBAN MAKE OR SIMILAR. INSPECTION : AUTHORISE REPRESENTATIVE OF Sr.DSTE/HWH. . ELB BOOM 'A' SECTION Above/

SUPPLY & INSTALLATION OF ELEC. LIFTING BARRIER GATE SPARE PARTS AS PER RDSO SPECIFICATION RDSO/SPN/208/2012 VER. 2.0 OR LATEST. AND MATERIALS SHOULD PROCURED ON RDSO APPROVED FIRM OF M/s URBAN MAKE OR SIMILAR. INSPECTION : AUTHORISE REPRESENTATIVE OF Sr.DSTE/HWH. ELB BOOM 'B' SECTION Above/

SUPPLY & INSTALLATION OF ELEC. LIFTING BARRIER GATE SPARE PARTS AS PER RDSO SPECIFICATION RDSO/SPN/208/2012 VER. 2.0 OR LATEST. AND MATERIALS SHOULD PROCURED ON RDSO APPROVED FIRM OF M/s URBAN MAKE OR SIMILAR. INSPECTION : AUTHORISE REPRESENTATIVE OF Sr.DSTE/HWH. ELB BOOM 'C' SECTION Above/

SUPPLY & INSTALLATION OF ELEC. LIFTING BARRIER GATE SPARE PARTS AS PER RDSO SPECIFICATION RDSO/SPN/208/2012 VER. 2.0 OR LATEST. AND MATERIALS SHOULD PROCURED ON RDSO APPROVED FIRM OF M/s URBAN MAKE OR SIMILAR. INSPECTION : AUTHORISE REPRESENTATIVE OF Sr.DSTE/HWH. ELB BOOM 'D' SECTION Above/

SUPPLY & INSTALLATION OF ELEC. LIFTING BARRIER GATE SPARE PARTS AS PER RDSO SPECIFICATION RDSO/SPN/208/2012 VER. 2.0 OR LATEST. AND MATERIALS SHOULD PROCURED ON RDSO APPROVED FIRM OF M/s URBAN MAKE OR SIMILAR. INSPECTION : AUTHORISE REPRESENTATIVE OF Sr.DSTE/HWH. ROTARY SWITCH OF GATE PANEL Above/

S-bond of size 16 meter long for Siemens make Audio frequency Track circuit (FTGS 917-46) as per Drawing No DRM SG/889 Above/

Supply of Dual MLB Card suitable for CEL make HASSDAC as per ROSO Spn RDSO/SPN/177/2012 ver3.0 or latest. MAKE-CEL. Inspection : RDSO Above/

Supply of ELDYNE Make Serial I/O card for Eldyne Make Multi Section Digital Axle Counter MSDAC as per RDSO/SPN/176/2013 Ver.3 make Thales C/o Eldyne. Make Eldyne Electro System Pvt. Ltd. THALES make via ELDYNE Inspection: RDSO Above/

Supply of ELDYNE Make PDCU as spares of Multi section digital axle counter (MSDAC) as per RDSO /SPN/176/2005 Make-Thales/ Eldyne Electro System Pvt. Ltd.Inspection: RDSO Above/

Supply of ELDYNE Make PSU Card For Eldyne MSDAC (Part No- 3CR31040AAAA) Make-Eldyne/Thales.Compatible to work with Eldyne make MSDAC as per RDSO/SPN/176/2013 Ver.-3 or latest. Firm'S offer: THALES make via ELDYNE Inspection: RDSO Above/

SUPPLY OF SPARE TRACK SIDE ELECTRONIC UNIT (EAK-AzLM) SUITABLE FOR MSDAC SYSTEM OF ELDYNE MAKE. Make / Brand: Eldyne Electro Systems Pvt Ltd.Inspection: RDSO