North Central Railway Tender

Horizontal Boring/Manual moling without damage to surface road /track for laying/isertion of DWC/GI/HDPE pipe. The bore shall be done at the depth of minimum 1400 mm from 5 the ground level. The ground level shall be considered ignoring the bank height of the bank of the road. Note:- DWC/HDPE/GI Pipe Supply is not 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 DWC/HDPE/GI pipe is laid in the bore. (Inspection by Consignee)

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 as per RDSO sketch No. SDO/CABLE LAYING/003, issued vide RDSO document no. RDSO/SI/G/2010 Version 1.1 dated 04.02.2014 or latest, alongside the track in all type of soil, conforming to distances as per cable route plan and refilling and ramming of loose soil. This work 6 includes clearing of route from bushes etc, covering of cable laid in trench by loose soil for a layer of 50mm thickness approximately before covering by bricks. The work shall be done as per the extant practice on North Central Railway and instructions of Railway Engineer at site. In case the full depth is not available, there shall be no proportionate payment and after the approval of minimum JAG officer, the concreting shall be done as per the RDSO drawing no.SDO/Cable laying/008, issued vide RDSO document no. RDSO/SI/G/2010 Version 1.1 dated 04.02.2014 or latest. (Inspection by Consignee)

Laying of DWC Pipes of 120 mm/200 mm outer dia along with collers at places of track , road crossing , plate form cutting etc. or as directed by Railway representative at site. (Inspection by Consignee)

Excavation, casting, curing of foundation and Installation and Erection of Apparatus case Full (App. Case as per RDSO drg. no. RDSO/S-11500 or latest) with contractor's own frame, 8 cement and other material in the ratio 1:3:6. 'E' type lock to be supplied and installed with App. case.This includes filling of location foundations with river bed sand and plastering on top with a mixture of 1:4 of cement and sand. It covers fixing of lamp holder , switch and lamp etc. in Apparatus Case. (Inspection by Consignee)

Fabrication and fixing of phenolic laminated sheet of grade P3, minimum 10 mm thick, as per Apparatus case diagram/plan, in location box by providing all fixtures like ARA/Disconnect 9 terminals, fuse blocks, fuses, relays on square bars etc. including fi xing of PVC coated string rods at the back side for cable support with contractor's own material like iron angle, nuts, bolts etc. Th e iron angle for fi xing shall be minimum 3 mm thick. Th is also includes fixing of teak wood shelf minimum 25 mm thick for holding track circuit equipments. Th e work shall be done as per instructions of Rly engineer at site. (Apparatus case Full). (Inspection by Consignee)

Supply of Double Walled Corrugated (DWC) Pipe/duct with associated collars etc. as per RDSO Specification No. 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 10 and shall submit copy of certificate). One coupler with suitable rubber O-ring should be supplied with every 6m 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. Note:- If Contractor is asked to provided half round DWC pipe than contractor has to provide double the quantity with respect to single full round DWC pipe. (Inspection by Consignee)

Preparation of Cable Route Plan/ Cable core plan/ Track bonding plan of stations/ Block section in Auto CAD and 02 nos. of hard copies to be supplied in A-3 size along with soft copy. (Inspection by Consignee)

Termination of Outdoor Cables (Main Cables /tail cables) at ARA/Disconnect type 12 terminals provided in Apparatus Cases, Cable termination rack in relay room, station building, generator room etc. The item includes dressing of cables and wires with dressing threads as per standard practice. All material required for this item will be supplied by contractor. The outdoor cable shall be terminated in Relay Room, DG Room, ASM Room etc under supervision and instructions issued by Engr. incharge of the work. (Inspection by Consignee)

Fixing of ARA(M-6) Terminals /Screw less connectors / modular disconnect terminal 13 blocks and fuse blocks on phenolic laminated sheets and fixing by stainless steel/brass nuts & bolts.This includes provision of two additional holes on the board on either side for cable conductor entry. The work shall be carried out a per instructions of railway Engineer incharge.(Supply of all above terminals has been covered separately). (Inspection by Consignee)

Supply and installation of earth electrode as per standard practice and as per NCR Drawing No. S&T/CONST/6.4/97. It includes supply of GI pipe of 3 meter length. It includes connecting the earth electrode to the equipments which are required to be earthed including digging of earth pit 14 3 meter deep and fi xing earth electrode pipe, casting of cement concrete enclosure with cover (cover as per drawing No. S&T/CONST/6.3/97. It includes installation of 7 strand GI wires as earth lead wires, supported on MS fl at size 5mm x 40 mm, soldering and nut bolt both, one end of both earth lead wire and MS fl at to earth electrode and other end to Location boxes, block equipments, power equipments, cable sheath, signals etc. as per site requirement and as per instructions given by engineer incharge. (Inspection by Consignee)

Painting of two coats of Enamel paint over one coat of Red Oxide primer after scrapping and cleaning of the surface. Paint to be of reputed make Asian/Dulux/Berger or similar.App. Cases inside and outside to be done by Silver colour. (Apparatus Case Full). (Inspection by Consignee)

Painting of two coats of Enamel paint over one coat of Red Oxide primer after 16 scrapping and cleaning of the surface. Paint to be of reputed make Asian/Dulux/Berger or similar.App. Cases inside and outside to be done by Silver colour. (Apparatus Case Half). (Inspection by Consignee)

Lettering and Numbering of all S&T gears like Signals, Loc. Boxes, Pt. Machines, TLJBs, Block joints etc. Each item to be taken as one unit. (Inspection by Consignee)

Cement concrete work for miscellaneous, unscheduled items in ratio 1:3:6 of cement, 18 coarse, sand and aggregate Item includes excavation, ramming of CC by using vibrator, curing and plastering with cement and sand mixture in ratio 1:4 (aggregate will not exceed beyond 3.8 cm). The aggregate cement and sand will be supplied by contractor. (Inspection by Consignee)

Splicing of 24 core optic fibre cable and making the splicing joint with contractor's own 19 machine and tools. Joint should be prepared in such a way that the top of the enclosure should be at a depth of minimum 1.2 meter and the enclosure should be covered with soft soil and bricks. Splice loss of each fibre should be less than 0.05 dB. (Inspection by Consignee)

Supply of 24 fiber optical fiber cable straight joint enclosure (SJC) complete with all 20 accessories along with enclosures with heat shrinkable splice protection sleeve as per RDSO spec.RDSO/SPN/TC68/2014Revision 1.0, Amndt. 1.0 or latest. Splice losses in nocase should be more than0.1 dB. (Inspection by Consignee)

Supply of thermo shrink jointing kit as per RDSOSpecn.No. IRS: TC 77-2012 (Rev.3.0) with(Amdt.-1 to 3) or latest, suitable for 6 Quad/jelly filled cables for straight through/derivation joints. It includes supply of all the accessories, without transformer. (Inspection by Consignee)

Installation of thermo shrink jointing kit as perRDSO Specn.No. IRS: TC 77- 2012 22 (Rev.3.0) with(Amdt.-1 to 3) or latest, suitable for 6 Quad/jelly filled cables for straight through/derivation joints. It includes supply of all the accessories, without transformer. (Inspection by Consignee)

Supply of permanently lubricated HDPE duct, 40 mm outer dia, as per RDSO spec. No. RDSO/SPN/TC/45/2013 Rev.2 Amndt.2 or latest, along with all accessories like end caps, collars, bends, couplers etc. (Inspection by Consignee)

Laying of HDPE duct as per the approved cable route plan in the excavated trenches/other protected works/RCC channel etc. including all accessories like end caps, collars, 24 bends, couplers etc. Th e ends of the duct to be sealed with end plugs till OFC blowing is done. Important: Th e laying of OFC cable independently or along with Quad cable/PIJF cable in the same trench shall be governed by the RDSO drawings No. RDSO/TCDO/COP-6(a) and RDSO/ TCDO/COP-8 (a) respectively, issued vide Chapter-XIII of the Telecomm Manual. (Inspection by Consignee)

Blowing/drawing of OFC cable in the HDPE pipe duct and protective work already 25 provided in the trench. Th e cable shall be laid only after the successful completion of the DIT (Duct Integrity test). The DIT should be certified by the Railway engineer at site. All the equipments/machinery required shall be arranged by the contractor. (Inspection by Consignee)

Releasing of lever frame, old location boxes, LC Gate, signal posts, TLJB, equipment's in site the location boxes and all fitting etc. (Lot/station) (Inspection by Consignee)