Northern Railway Tender

Supply of apparatus case Large with 'E' type lock and key ward no. 42 and handle as per RDSO Drg. no. RDSO/S-11500 or latest. (Inspection: RITES)

Supply of apparatus case steel Medium with E type lock and key ward no. 42 and handle as per RDSO Drg.no. RDSO/S-11507. (Inspection: RITES)

Supply and testing of DC-DC converter 24-32V/5 Amps of IPS (HBL, Statcon or Amara Raja make) as per RDSO specification no. RDSO/SPN/165/2012 Ver. 3.0 or latest if any. (Inspection: RDSO)

Supply of Relay AC immune, plug in type, style QNA1, DC neutral line 24V DC, 8F/8B 7 contacts. Front and back contacts metal to carbon with plug board, retaining clip and connectors conforming to BRS-931A, IRS S 60/78, IRS S 34/68 and IRS-S-23/88 or latest (as applicable). The interlocking code for this unit shall be ABDGH or latest. (Inspection: RDSO)

Supply of copper Power wire 1X6 sqmm. (Red/Black/Green in color as per requirement at site) conforming to IS 694/2010 or latest. (Inspection: Consignee)

Supply of PVC Insulated Railway Signalling Indoor Multi Core copper conductor Cable 40 x 0.6 mm Dia. as Per RDSO specification No. IRS-S-76/89 amd. 3 Or Latest. (Inspection: RDSO)

Boring & trenchless, cabling along with supply and insertion of Double walled corrugated HDPE ducts as per RDSO spec. no. RDSO/SPN/SPN/204/2011 ver.1.1 and amendment 1 or 1 latest with 90mm outside dia. and 67mm minimum inside dia. in the bore for laying of signaling/telecom/power cables under the track/road. The following required coupling arrangement should also be supplied: 1. Suitable snap fit couplers with rubber O ring 2. Spacers 3. Tees 4. Bend 5. End cap etc. to be supplied along with the pipe. Work at site shall be inspected by Site engineer & DWC HDPE pipe and associated material to be inspected by RDSO.

Supply and laying of 2nd class bricks in the trench and laying as per drg. No. NR/S&T/CON/1.1/97-A or latest and as per instructions of the site Engineer. (Bricks to be inspected by consignee).

supply, installation and commissioning of maintenance free separate earthing kit as per RDSO spcn. no. RDSO/SPN/197 Ver. 1.0 or latest and drg. no. SDO/RDSO/E&B/002 dated 19.09.2008 or latest. Basic earthing kit-1 set consisting of [a]The earth electrode shall be UL listed 3 and of minimum 17.0mm diameter and minimum 3 Meter long and minimum copper bonding thickness shall be of 250 microns of 99.9% electrolyte grade copper.-01 nos. [b] earth enhancing compound RDSO approved in sealed bags of 10 kgs each-03 nos. minimum [c]SEEB 150mmx25mmx6mm-01 No. [d]MEEB 300mmx25mmx6mm-01 no. [e] 35 sq. mm. copper cable to connect earth electrode to MEEB-15 mtrs approx. and all other materials and cables required for installation. Work to be carried out in supervision of Site engineer. (Material Inspection: RDSO)

Supply and installation of earth electrodes pipe of 3 mtrs length and 50 mm dia. pointed on lower end by tapering for a length of 150 mm and connecting with lightening arrester or signaling gears as per std. Practice. The item includes digging of pit in earth, 3 Mtrs. Deep and fixing earth electrode pipe in it. Earth pipe shall be buried in the ground to the length of 2.7 mtrs. after welding 6 SWG wire at lower end and fixing through nut and bolt at top. Casting of cement of Cement 4 concrete enclosures as per drg. No. NR/S&T/CON/6.4/97. The soil treatment shall be done as per std. pratice. The item includes provision of earth lead wires/mild steel flat and soldering of lead wires. The other end of the earth wire/mild steel flat to be connected to block instrument mild steel flat, cable sheath of power equipment, apparatus case, relay racks, other equipments as per the instruction of Engr. at site & IRSEM. Complete materials such as earth electrodes as per drg. No. NR/S&T/CON/6.3/97, cement, wiring material, soldering material, mild steel flat, earth lead wires 6 SWG and soldering of lead wires etc. to be supplied by the contractor. (Material inspection: Consignee)

Supply and fixing of G.I Pipe with 76.6 mm maximum and 75.3 mm minimum outside dia. and 3.6 mm thickness, as per spcn. no. IS-1239 (part-I) or latest if any, medium grade, perforated 5 at a distance of 20 cm or less of required length at culverts/bridges/along the cuttings, suitably concreted at both ends as per drg. no. NR/S&T/CON/1.4/97 or latest. G.I. clamps of M.S flats bolts and nuts to be supplied by the contractor. G.I pipe and other associated material to be inspected by RITES. Work at site will be inspected by Site Engineer.

Supply and making of Thermo-shrinkable straight through joint using jointing kit 6 complete for underground 6 quad cable with complete accessories as per RDSO specification no. IRS: TC 77-2012, Rev. 3, Amendment 1, 2 & 3 or latest if any. This shall be done as per instructions of site engineer at site. This included excavation of jointing pit and materials needed for making a joint. (Inspection: Consignee).

Casting, concreting and curing of foundation and erection of App. Cases Large as per drg. No. NR/S&T/CON/2.7/97 or latest. All materials such as cement, sand, aggregate and anchor bolts 1 shall be supplied by the contractor. Contractor is required to execute all type of repair works of foundations if required during inserting the cable for termination. All concrete work must be ratio of cement, coarse sand and aggregate 1:3:6. (Inspection: Site Engineer)

Preparation & fixing of Bakelite hylum sheet 910 x 800 x 6mm and teak wooden shelf 900mm x 450mm x 25mm duly fixed by angle iron piece of different size inside all the app. Cases. Hylum board shall be fixed on an angle iron frame of 25mm x 25mm x 3mm. Angle iron frame will be fixed in location boxes secured by nuts & bolts. Fixing of fuses, ARA terminal shelf type 'Q' series relays and other type relays on square bars fixing and jamming of cables with 2 inch thick salwood plank provided at the bottom. This will include opening, pasting and jamming armour of each cable in 2 the hole drilled separately for each cable through the salwood plank & all cable entry points on location boxes, location huts, JB's relay room/battery room to be closed with suitable masonry works covered with sand and plastering. Description for terminal drawing of circuits, inside app. Case. Painting from out side as well inside with red oxide and aluminum paint is covered separately. Size of lettering will be 100mm or as per instructions of Engineer at site. All materials including hard wood shelf, hylum board, salwood plank, angle iron square bar, wire and wiring material as per the IRS specn., non-deteriorating type HRC fuses, bases, nuts and bolts and other items shall be supplied by the contractor. Relays, ARA terminals only shall be supplied by the Railways. Preparation of Apparatus Case Large involving wiring of relays. (Inspection: Site Engineer)

Casting, concreting and curing of foundation and erecting of Apparatus Cases medium 3 as per drg. no. NR/S&T/CON/2.8/97 or latest. All materials such as cement, sand, aggregate and anchor bolts shall be supplied by the contractor. Contractor is required to execute all types of repairs works of foundations if required during insertion of cable for termination. All concrete work must be ratio of cement, coarse sand and aggregate 1:3:6. (Inspection: Site Engineer)

Preparation of App. Case half not involving wiring of relays which includes following- (i)Preparation and fixing of Bakelite hylum sheet 450x800x6mm and teak wooden shelf 450x450x25mm duly fixed by angle iron piece of different size inside all the app. Cases. Hylum board shall be fixed on an angle iron frame of 25mm/25mm/3mm. Angle iron frame will be fixed in location box secured by nuts & bolts. (ii)Fixing of fuse ARA terminal, shelf type Q series relays and other type of relays on square bars, fixing and jamming of cable with 2 inch thick salwood plank provided at the 4 bottom. This will include opening, twisting and jamming armor of each cable in the hole drilled separately for each cable through the salwood plank and of cable entry points on location boxes, location nuts JB's relays room battery/room to be closed with suitable masonry work covered with sand & plastering. (iii)Wiring description for terminal, drawing of circuits inside app. Case. Painting from outside as well inside with RED oxide aluminum paint is covered separately. Size of lettering as per instructions of Engr. at site. (iv)All material including teak wood shelf, hylum board, salwood plank, angle iron square bar, wire and wiring material as per the IRS spec. Non deteriorating type HRC fuses and bases nuts and bolts and other items shall be supply by the contractor. Relays, ARA terminals only shall be supplied by the railways. (Inspection: Site Engineer)

Excavating and refilling of trench in Normal Soil to the level of ground with rammed earth as per drg. No. NR/S&T/CON/1.1/97-A or latest so as not to form a drain 0.3 Mtrs. Wide & 1 Mtr. 5 Deep on both side of the station alongside the track. It shall conform to the safe distance as per signalling and cable plan. It also includes clearance of routes of trees & bushes. Lesser depth due to site conditions shall be paid proportionately after obtaining prior approval from not below than JAG officer.(Inspection: Site Engineer)

Excavating and refilling of trench 0.3 Mtrs. wide & 1 Mtr. deep on pitched/stone/bricks 6 paved surface, road, crossing/platform etc. and restoring the surface to its original conditions. Lesser depth due to site conditions shall be paid proportionately after obtaining prior approval from not below than JAG officer. (Inspection: Site Engineer)

Laying of signalling/telecom/power cables by unwinding cables from drums of different 7 sizes as per drg. no. NR/S&T/CON/1.1/97 or latest and as per cable route plan approved by the railways. Meggering of cable before and after its laying of all types of cables. Meggering to be done for each drum separately. Meggering sheets to be supplied and filled up by contractor and submitted to railways. (Inspection: Site engineer)

Earth work of excavation and refilling around location boxes, signals and other signaling structures etc. wherever necessary including 50M lead and 1.5M lift by excavation. The lead 8 be measured from the center of gravity of excavation to the center of filling and the lift, from means ground level. The earth shall be well rammed including breaking of clods, levelling and dressing as per instructions of site engineer. The earth work around the location/junction boxes shall be up to the plaster level and for width sufficient for the maintainer to attend the box both from front & back side. (Inspection: Site Engineer)

Concreting unscheduled items in concrete of 1:3:6 ratio in cement, coarse sand and aggregate 25mm at different places in the yard and plastering top in fine plaster of 1:4 cement sand ratio. It also includes the excavation of earth as required at site and as per instruction of site in charge. The volume in cubic meters shall include the volume occupied by any CI foundation, trestle, MS angle or flat or GI pipe required to be embedded in the casting. Cement coarse sand and aggregate 25mm are to be supplied by the contractor. (Site Engineer)

Bricks work with well burnt bricks in foundation and plinths with cement and sand mixture of 1:4 ratio. All material is to be supplied by the contractor. (Inspection: Site Engineer)

Wiring of relays in relay room/relay huts as per approved wiring diagrams. All material required including indoor cables and wires of 1x1, 1x0.6, 3/0.29, 16/0.2, 40x0.6, 40x1, 60x0.6, 60x1 dia. of copper conductor as per NR practice conforming to IRS specifications, resistance and 11 condensers are to be supplied by the contractor. This also includes wiring from CT rack to tag block, tag block to relays & wiring of fuse etc. required in connection with relay room /relay hut wiring and soldering, dressing, bunching, lacing, fixing of relay bases etc. and provision of LED indication of vital relays in relay room and provision of potential free contacts for relays on tag block for data logger as per instruction of site Engineer. This also includes dressing, bunching, lacing and fixing of relay bases. Indoor cable/wires should be pre-inspected by consignee. (Inspection: Site Engineer)

Installation, testing & commissioning of Single Section digital axle counter (SSDAC) single section type system complete with track devices and other associated accessories as per RDSO specn. No. RDSO/SPN177/2012 Ver.3 or latest. This include fixing of device, relays, wiring, lacing 12 /dressing, cable termination with lug eyelet, drilling holes in rails, Installation of track devices and make it functional along with existing UFSBI/block instrument. This also includes necessary datalogger connections as per standard Railway practice. Installation to be done by OEM as per the installation manual. Material required other than supply item of SSDAC shall be arranged by contactor to make it functional. (Inspection: Site Engineer)