South Central Railway Tender

Supply of Push button corded auto telephone with Caller ID facility of Beetel ,Panasonic or Binatone make. (INSPECTION BY CONSIGNEE)

Supply of basic material to construct unit Maintenance Free Earth as per specification RDSO/SPN/197 Ver.1.0 or latest consisting of the following: a)Copper bonded steel electrode 3m long, 17mm diameter with copper bonding thickness mini 250 micron and UL listed and marked - 1 No. 20 b)Earth enhancement compound of RDSO approved brand supplied in sealed bags of minimum 10kg - 3 Nos. c)Copper strip with dimensions 150 x 25 x 6mm to terminate earth rod - 1 No. d)Copper strip with dimensions 300 x 25 x 6mm Main Equi- potential Earth Bus bar (MEEB) - 1 No. e)Copper strip of with dimensions 150 x 25 x 6mm Sub Equi- potential Earth Bus bar (SEEB) - 1 No. f)35 Sq.mm multi- strand PVC insulated Copper Cable (15 meter).(INSPECTION BY RITES)

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 spare cards for PD MUX - PUNCOM Make

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.I Pipe of 100 mm in the bore drilled (HDPE pipe/ GI pipe is to be supplied by Railway).

Trenching under Rails for crossing the track (Track Crossing) and refilling of trenches as per SCR Drg. No. 5768. The track crossing shall be done at right angles. The depth of cable trench 4 shall be 1.2 meter below the rail flange. The depth between top cable and the level of rail flange of the rail shall never be less than 1.0 meter. The ballast shall be stacked separately while making the trench and the earth soil shall be stacked separately. While re-filling the trench, the earth soil has to be filled first to the ground level and the ballast has to be properly put in the track. This work has to be done under supervision of supervisor of S&T and supervisor of P.Way.

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

Cable laying and meggering. a)Laying different type of cables in the trench. Termination covered elsewhere.

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.

Supply, transporting and installation of Concrete (RCC) Route Indicators at intervals of 8 50 meters as per instructions of engineer in charge as per drawing no. SK 12/10.They should be of standard RCC with letters "SCR S&T cable" as per type of cable laid to drawing. In case of telecom quad cable joint locations it shall be painted with GREEN and ORANGE colour for normal indication of cable path. (INSPECTION BY CONSIGNEE)

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 10 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 (INSPECTION BY CONSIGNEE)

Installation of single earth(maintenance free) including the following:- welding and fixing of copper tape (used as bus bar) welding of cadmium bronze cable to copper plate using material supplied vide item no.20 of Sch-A 1. All the material supplied for mounting of copper tape, exothermic weld materials, tools and fixtures for welding copper tapes shall be arranged by contractor. a)Digging /Auguring/Boring of single earth pit of 100mm to 125 mm dia to the depth of approx.2.8 meter. b)Insertion of 3.0 meter electrode and penetrating it at least 0.2 meter by pushing gently with sledge hammer where the natural soil is assumed. c)Filling of earth pit with earth enhancement compound (EEC) in slurry from and backfilling. d)Carrying out exothermic weld 11 connection on single earth electrode to a copper tape of 150X25X6mm. e)Carrying out exothermic weld connection on the copper tape of 150X25X6mm on earth electrode for connecting two 35 Sq mm cables for redundancy. f)The exothermic welding material for bonding the earth system shall be procured from RDSO approved firms, which includes graphite moulds, clamps, weld metal powders. g)Digging a trench to a depth of at least 0 .5 Mtr. and run the two 35 Sq mm earth conductor (procured against supply item) from earth pit to MEEB. h)Routing and termination of two 35 sq mm earth conductors in trench from earth pit to 300X25X6mm MEEB, which is to be fixed inside the equipment room with two insulation studs. i)300X300X300 mm (inside dimension) concrete earth pit with a concrete lid, approx 50mm thick with pulling hooks, shall be provided to cover the pit. Back side of the cover will be painted in black and date of the testing and earth resistance value shall be written.

Hiring of JCB machine (in good condition) for levelling and dressing ground/dismantling 13 structures including disposal of debris through dumpers etc., with contractors labour, JCB machine, machine operator, fuel etc. The contractor shall arrange road permit for vehicle for all the states of operation,as per instructions of engineer in charge

Providing the services of Computer oriented Technical manpower to carryout works 14 like drawing, computation, write up etc., between 08:00 Hrs to 20:00 Hrs of the day with all expenses of transportation, accommodation, food, consumables etc., with all ascents, descents, taxes, octorio, cess, fees, duties with contractors cost etc., as per special conditions/specifications/ regulations and as directed by engineer in charge.

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 by using blowing machine and associated works. 10% of OFC length to be blown extra on both ends of 17 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 18 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 anti-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 19 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 othertesting materials if any shall be arranged by the contractor.(INSPECTION BY CONSIGNEE)

Supply and installation of rack mounted 24 fibre Distribution Management System 20 (FDMS) of size 1U, of Reputed/Branded company make as per specification RDSO/SPN/TC/37/2020 Revision 4.0 with latest amendments. The FDMS shall include 24 SC-PC/Required adaptors having insertion loss less than or equal to 0.1dB and 24 numbers 900 micron 1.5m SC-PC/Required pigtails. (INSPECTION BY CONSIGNEE)

Supply and fixing of different sizes of PVC casing /Pipes as required by Railway at site by fixing /clamping to the wall for indoor wiring purposes. All the material required for fixing PVC casing/Pipes are to be supplied by contractor. (INSPECTION BY CONSIGNEE)

Supply and installation of 230 volts AC/48volts, 25Amps DC (2 + 1 configuration) SMPS battery charger as per RDSO spec. RDSO/SPN/TC/23/99 (Ver-4) Amdt.-1 or latest. (INSPECTION BY RDSO)

Supply and installation of 48 volts 200 AH maintenance free VRLA battery in charged condition as per RDSO specification IRS:S-93/96(B) (Amd.1 ) or latest. (2 volts 200 AH - 24 Nos.each set).(INSPECTION BY RDSO)

Supply, installation, testing and commissioning of managed expandable rack type STM-4, equipped STM-1, ADM S1.1, as per technical Specification no.GR No.: TEC/GR/TX/SDA- 003/02/APR-2010 with 2 Nos.STM-1 aggregate Optical interface upgradable to STM-4, 21 E1s, and minimum 8 Nos. of 10/100 base T Ethernet port, Order wire, Power supply unit, sub rack, DDF, 24 Installation materials, manuals and other accessories. The equipment should be TEC/BSNL/RDSO approved .The equipment should be fully wired for its ultimate capacity and provide redundancy for Power supply and Synchronisation. It shall be possible to use the full capacity of the equipment by adding additional tributary cards. The up gradation of STM-1 to STM-4 shall be without change of any internal hardware of the STM equipment. The STM equipment shall have in-built L2 switch for Ethernet ports. Make -Tejas or similar.,(INSPECTION BY RDSO)

Supply and installation of programmable Primary Digital Drop Insert Multiplexer fully 25 wired for 30 Channels complete with all accessories from RDSO approved vendor as per RDSOspecification IRS TC 68-2012 Rev.0 (with latest amendment) including connectors and cables required for installation including 100 pair Krone type MDF. Each channel card shall have minimum four channels per card. The single sub rack shall be capable of being equipped upto min.60 Channels without additional power supply unit. The MUX shall be wired & equipped with following circuits: 1. 2Wire/4WireE&M VF circuits(Minimum16No.Ckts) 2. FXOcircuits:6nos. 3. FXS circuits Subs/Hotline circuits along with ringer card etc.:08 No's 4. Acquisition card as per design 5. Data User manual. 6. This also includes connecting all pigtails, optical patch cords etc to the SDH equipments. This also includes connection of SDH and primary MUX equipment with all interface cards to the 48V Bus including termination on DDF taking PVC cable over runway or a wall and termination of VF interface circuits to the Krone Termination box.(INSPECTION BY RDSO)

Labour assistance for SE/JE in day today works i.e checking the curves/straight 3 alignment of formation, levels etc. Carrying the tools &equipment etc. watch & ward during the course of execution of work as per the instructions of concerned SE/JE (As per Chief labour commissioner letter F.No.1/13(6)/2017-LS-II Dt.20.4.17). (Per unit means per day)