South Central Railway Tender

Supply of vitreous enamel coated board of 230mm dia. (A, P, G, C, lB markers) made of 2mm thick sheet as per following colour scheme: (1)'G' marker - Yellow back ground, black letters. (2) Other boards - White background, black letters.(Inspection by consignee)

Supply of 280mmx102mmx2mm thickness vitreous enamel coating arrow markers board fabricated with MS clamp of size 40mmx6mm along with suitable bolts and nuts. (Inspection by Consignee)

Supply of titanum coated 7.2mm drill bits of Bosch/Addision make. (Inspection by consignee)

Supply of ECR 4E/4B' for 110V AC lit LED signals, complete with plug board, retaining 14 clip and connectors as per RDSO specification No.STS/E/Relays/AC Lit LED Signal/09-2002 Amd. 1 or latest, BRS 941A, IRS: S 23-88 Amd. 1 or latest, IRS: S34-68 Amd. 6 or latest, IRS: S 67-85 Amd. 3 or latest (as applicable). The interlocking code for this unit shall be ABDHK (with ATC clips). (Inspection by RDSO)

Supply of PVC insulated Wire Coils - Multi-strand, single core, copper conductor 16/0.2 18 (16 wires, diameter of each wire is 0.20mm) (0.5 Sq.mm) wire coil as per specifications IS 694:2010 or latest, IRS: S 76-89 Amd. 3 or latest. Length of coil should be 100m. Colour of coil to be specified by Engineer in charge. PER UNIT = PER CoIL Inspection by RDSO

Supply of Thermo shrink jointing kit for jointing underground 0.9mm dia conductor 6 quad cable as per specification IRS: TC 77-2012 Rev. 3 (Amd. 1 to Amd. 3) or latest. (Inspection by Consignee)

Supply of Cable sealing plugs for permanently lubricated HDPE duct. (Inspection by Consignee)

Supply of Vulco Tape of size 45mm width x 1.5mm thickness x 10m length. It shall be self-bonding type anti corrosive, heat resistant and water proof. (Inspection by Consignee)

Supply of Universal Locks with one steel key for every ten locks or part there of (For example, if locks ordered is 10,1 key is to be supplied and if locks ordered is 20, 2 keys to be supplied. However, 2 keys to be supplied if locks ordered is between 11 and 19). (Inspection by Consignee)

Track crossing/ Road Crossing by Horizontal Boring method at culverts /track/pucca road as per SCR Drg. No.5770. This also includes insertion of HDPE pipe of 110 mm/G.l Pipe of 100 mm in the bore drilled (HDPE pipe/ GI pipe is to be supplied by Railway).

Breaking of metal/ tar road and refilling after laying the cables as per drawing no.SDO/CABLE LAYING/010. The surface of the road shall be concreted to match with the old surface. 4

Supply and Filling sand in trench/under floors/OFC chambers, complete as per instruction of engineer in charge.

Excavation of coil pit up to a depth of 1 meter and dia of 1.5 meter for providing coil at location box, point, signals etc., This includes back filling and ramming of trench / pit after laying the cable and consolidation of soil.

Cable termination including fixing terminals, fuses, LD's , Meggering of cables and recording the readings.

Fabrication, supply and erection of conventional Earth to Signalling/Telecom equipments -Excavation of earth and providing earth pipe of size 50mm dia. 3.5mm thick 2.0 m. long G.I. pipe of heavy quality with masonry tub constructed around at earth locations as specified by site 15 Engineer. Alternate layers of 30kgs-charcoal and 30kgs-common salt to be filled in the pit while closing. The pipe perforation etc., to be carried out as per drawing No. SK 10/10. The earth pipe to be connected to the function with cable as supplied by Railways. The reading should be painted on the masonry tub. The masonry tub of 300 mm x 300 mm x 300mm (along with Kundi) should be covered with cement slab.

"Foundation and erection of Colour light signal which includes a) Excavation of pit, casting concrete foundation as per SCR Drg. No. 5772 using metallic templates, for erection of Colour light Signals 4 aspects (foundation bolts, cement, river sand, stone jelly of size 20/20mm dia and all other miscellaneous materials required for the work shall be supplied by the contractor). b) Erection of surface base, signal post, mounting of Colour Light Signal up to 4 aspects complete on signal post/offset bracket, LED fixing, plumbing of the signal through sealing gap between Surface base and signal post, fixing of ladder with platform complete and concreting of ladder shoe, fixing of number 16 plates, marker board, termination tail cables, wiring of signal unit, provision of EWS locks, and painting of one coat of red oxide and two coats of aluminium/enamel paints. When the aspect is fixed on offset bracket using 'U' bolts and nuts, a through bolt shall be provided by drilling of hole in the signal pole to prevent the offset bracket from sliding down. (Supply of surface base, offset bracket, CLS pole, CLS aspects complete, ladder with shoes and platform, LED aspects, current regulators and wire coils will be supplied by Railways). ('U' bolts and nuts, through bolts and nuts, cement, stone jelly 20/25mm dia, river sand, Signal Colour Rings, all fixing bolts and nuts, teak wood, paints PVC/Nylon sleeves, enamelled number plates, enamelled marker boards, EWS locks, and all other miscellaneous materials for the work shall be supplied by the contractor). @40<37@ Payment after completion of work mentioned at (a) and remaining 40 % after completion of work at (b))"

Fixing of Offset brackets using 'U' bolts and nuts, erecting of Calling On Signals / 'A' marker lights, termination of tail cables and wiring, provision of EWS lock, number plates/ markers 17 boards and painting. The work also includes drilling suitable holes on the CLS post and provision of a through bolt with nut to prevent the Off-set bracket from slipping down. (Supply of Calling On Signal / 'A' marker light, LED aspect / holders and bulbs, wire coils and off set brackets will be supplied by Railways). ['U' bolts and nuts, through bolts with nut, EWS lock, Enamelled number plates, PVC/Nylon sleeves, paints and all other miscellaneous materials shall be supplied by the contractor.

Fixing relay bases on the relay frames erected in Relay Room, Wiring of all types of relays by drawing various sizes of wires/multi core cable, fixing fuses, condensers, resistances, LEDs etc and wiring duly soldering the same as per approved circuit diagram, testing point to point before soldering and after soldering, bunching and lacing as per detailed technical specification. Numbered ferrules shall be provided for each wire. Different colour codes and sizes of wire to be used as per standard practice. This also includes, provision of all PVC sleeves required to be provided. Copper lugs to suit to 16/02 wire and neat bunching, lacing with Modi Nylon / Twine thread and using PVC dotted tape with buttons. This also includes soldering all the wires in the relay room with Rosin core of IS Spec.1921 @40<37@ Tin and 40% Led). Soldering should be done as per standard practice. This also includes inserting the clips, point to point testing as per the circuit diagram and plugging relays to Relay bases (except Inter-cables, relays other materials such as Rosin core, flux, nylon thread. PVC dotted tape should be supplied by the contractor). Point to point testing should be done in the presence of Engineer-in-charge as instructed in two stages, one before soldering and the other after soldering.

Supply of Ammonia Prints or Print as approved by Railways. - Signalling Plan U Size (Per Unit=310 mm x 3 mtr)

Removal of existing 'Q' style/K-50 contact clips along with its wire from the relay base 20 by carefully tracing out from the bunch of wires and taking out unwanted wires from the same as per the alterations shown in the circuit diagram issued by Railways. Drawing of fresh new wire from the relay base to another relay base as per the new wiring as shown in the circuit diagram without affecting the other wires. This also includes testing of wires using buzzer of the new wires drawn once before soldering, once after soldering (This includes of wires required for data loggers.)

Supply of commercial grade operator VDU of size 55'' Full HD, with backlit LED, with HDMI/DVI port, Inbuilt Speaker, required HDMI/DVI cables for connectivity and other miscellaneous item required for installation (Inspection - Consignee)

Supply of fan less embedded industrial grade computers (Similar to Moxa V2406A or 22 better ) with all accessories such as key board, mouse, antivirus etc. of industrial grade as per approved Specification as recommended by RDSO (TAN No. STS/TAN/3007 Version 1.0 or latest) (Inspection - Consignne)

Laying of HDPE duct 40/33 mm dia in the trenches and in protective works already provided.

"Blowing of armoured optic fibre cable (OFC Cable supplied by Railways) into the duct supplied vide other NS item of supply portion by using blowing machine and associated works. 10% of OFC length to be blown extra on both ends of Duct i.e. total 20% of Duct length. Before blowing the duct integrity shall be tested. If any defect is found during duct integrity test, the entire length of HDPE duct from one chamber to another chamber is to be replaced by the contractor at his own cost. Payment will be made as per the length of Duct from which OFC is Blown."

Excavation of jointing pit and provision of RCC/FRP joint / Loop chambers of 90 Cms. Inner dia 60 Cms depth and 3mm thickness with two pieces of top cover with hooks each and bottom 29 cover with hole for drainage and cable entry as per Drg. No. RAILTEL/SR/OFC/ 2009/12 and as directed by Engineer to be provided at every joint location and at every Kilometre loop etc., The chamber shall be filled with sand mixed with ariti-stermic power, back filling and ramming of trench after HDPE duct laying, splicing and commissioning.

Supply and Installation of OFC joint enclosure and splicing of Optic fibre cable (24 fibres) and testing as per technical specification No. GR OJC-2/02 Sept 2003. Supply of Splice 30 Enclosure (24 fibre) shall be of TVS make Part No.1500-L18X-XX or similar as per Board specification of TEC.& as per RDSO/SPN/TC/68/2014 Revision 1.0 amd 1 or latest . All materials including Fusion splicing machine used for fibre splicing and, OTDR for testing and other testing materials if any shall be arranged by the contractor. (Inspection - Consignee)

Digging of cable pit for the required depth and width to locate the cable at a specific location shown by the Railway Engineer at site to attend the cable fault and refilling the same after attending the cable fault by the department.