Northern Railway Tender

Supply of Insulation for 'P' bracket for point fitting IRS type complete consisting of Rail Joint splice Plate for 'P' bracket LH side - 01 No. as per RDSO Drg. no. S-3266 Nylon Type -66 as per 4 IRSS-40/84 with latest amendment, Insulation rail joint splice Plate for 'P' bracket RH side - 01 No. as per RDSO Drg. no. S-3265 Nylon Type -66 as per IRS-S-40/84 with latest amendment, Bush for 'P' bracket -04 Nos. to Drg No. S-23199 as per spcn. IRS:s- 40/84 material Nylon Type, Insulating washer for insulated 'P' bracket -04 Nos. to RDSO Drg. no. S-8640 as per spcn. no. IRS-S-40/84 nylon type-66. (Inspected by Consignee)

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: Consignee)

Supply of Web detector Receiver coil (Phase reversal type) for Single Section Digital Axle Counter as per RDSO Specification NO. RDSO/SPN/ 177/2012 Version 3.0 or latest of CEL make. (Inspection: RDSO)

Supply of Web detector Transmitter coil (Phase reversal type) for Single Section Digital Axle Counter as per RDSO Specification NO. RDSO/SPN/ 177/2012 Version 3.0 or latest of CEL make. (Inspection: RDSO)

Boring & trenchless cabling along with supply and insertion of Double walled corrugated HDPE pipe 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 such as- 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 Consignee.

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 and of minimum 17.0mm diameter and minimum 3 Meter long and minimum copper bonding 3 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: Consignee subject to specification compliance form RDSO approved vendor)

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 concrete enclosures as per drg. No. NR/S&T/CON/6.4/97 or latest if any. The soil treatment shall be 4 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 Engineer 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, soldering of lead wires etc. to be supplied by the contractor. The earthing lead shall be mild steel flat of size 35mmX6mm. In case conductor is buried underground, it shall be protected from corrosion by application of suitable anti-corrosive paint. (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 Pt. 1 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 Consignee. Work at site will be inspected by 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 /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)

Fixing, wiring, testing and proper adjustment of 143 mm throw point machines complete as per std. Practice. It also includes - i) Fixing of switch extension/P-bracket, providing insulation for switch extension bracket/P-bracket/L-bracket, fixing ground connection, adjusting the correct opening of switches and adjusting the point machines with crank handle. ii) Supply of wiring material and wiring inside the point machine & 30/40 line junction box provided with terminals strip for cable termination. iii) Supply and fixing of GI pipes with flange for taking cable into point machine 2 and junction box through Gland/ GI pipe. iv) Complete material for installation viz.GI pipes/Gland Pipe, wiring materials, various fixing nuts and bolts, angle irons (75mmx75mmx10mm), channel for fixing the machine, lugs for point rodding and insulation for stretcher bar 90R/52/60Kg. As per RDSO drawing No.SA-23172(Adv.) Alt. 1 will be supplied by the contractor. v) Smithy and fitting works required at site for complete installation, Installation of gauge tie plate and providing insulation for G.T.P. as per Drg. No. NR/S&T/CON/7.6/97 and Williams stretcher bar will be done by contractor. Machine shall be overhauled by contractor if required. vi) This includes removal of existing gears wherever required. (Inspection: Site Engineer)

Laying of signalling/telecom/power cables by unwinding cables from drums of different 3 sizes as per drg. no. NR/S&T/CON/1.1/97 or latest and as per cable route plan approved by the Railways. It includes 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)

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. 4 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 5 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)

Casting, concreting, curing of foundation and erection of Apparatus Case Large as per 6 drg. No. NR/S&T/CON/2.7/97 (or latest). All materials such as cement, sand, aggregate and anchor bolts shall be supplied by the contractor. Contractor is required to execute all 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 of Apparatus Case Large not involving wiring of relays. This involves following: Preparation & fixing of Bakelite hylum sheet 910x800x6mm 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 7 provided at the bottom. This will include opening, pasting and jamming armour of each cable in 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 outside 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. (Inspection: Site Engineer)

Wiring of relays in relay room/relay huts as per approved wiring diagrams. All material 8 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 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)