Repairing, Refixing /Replacement & Maintenance of Signalling and Telecommunication Gears/Equipment and other related work in Vaitarna - JNPT Section of Western Dedicated Freight Corridor (WDFC) under CGM/MUM for a period of 30 Months.

Termination of Outdoor Cables (Main Cables /tail cables) at both ends in location 1 boxes, 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 industrial 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.

Digging of 1.2 mtr deep and 0.3 mtr wide trenches in all type of soils, including soft rock as per approved cable route plan and back filling the trench after laying of cables. It includes clearing of roots of trees and bushes and temporary obstructions on the selected cable route, ramming of soil and planting of cable marker at every 50 mtrs and at every location where direction of trench changes. The item includes covering of laid cables by sieved soil upto 5 cm before covering 2 by bricks. Where digging of 1.2 mtr depth is not possible or depth is reduced/increased as per instructions given by engineer incharge then payment will be decreased/increased proportionately to the depth of trench. Note- Cable trenching between Station Limit (i.e. from Distant to Distant Signals) should be done at distance of 3.0 mtrs(minimum) from centre line of track and Outside Station Limit, cable trenching will be done at distance of 5.5 mtrs(minimum) from centre line of track. If above mentioned minimum distances are not available at site then trenching will be done by contractor as per Instructions issued by Site Engineer.

All work pertaining to Horizontal Directional Drilling (HDD)/Boring and trenchless cabling. It includes supply, transportation and insertion of self-lubricated HDPE Pipe and laying of cables in boring under the track/road by using different sizes of pipes depending on total number of cables will be crossed. The depth of horizontal boring should be minimum 1 mtr from rail flange/road level. This item will be used for track crossing of running lines. By using self-lubricated HDPE Pipe of 120 mm outer dia. and 103.5 mm inner dia. in the bore and laying of cables in the bore under the Track/road. Running

Laying of S&T cables of various cores/pairs/quads in trenches/GI Pipes/RCC ducts/ DWC Pipes/Trucking etc, laying of OFC ducts in trenches including laying of cables in track crossings and road crossings. It includes placing of half cut DWC pipes, pre-fabricated ducts and DWC pipes. It 4 also includes provision of labels on each cable of colored plastic adhesive tapes or any other identifiable marker to give the cable number at each termination point G.P. The contractor will do meggering of all the cables (main & tail)before laying as well as after laying under the supervision of engineer incharge. Meggering test report of each cable will be signed jointly by authorized site representative of contractor and site engineer incharge. Note- The length of the cables laid will include length of the cables which have been coiled for termination purposes. Half cut DWC pipes, pre- fabricated ducts and DWC pipes shall be supplied by DFCCIL.

Cement concrete work for miscellaneous items in ratio 1:3:6. Item includes 5 excavation, ramming of CC by using vibrator, curing and plastering with cement and sand mixture (aggregate will not exceed beyond 3.8 cm). The aggregate cement and sand will be supplied by contractor.

Providing brick masonry in ratio 1:6 cement and mortar including plastering with 1:4 6 cement and sand mixture both sides of bricks with thickness 20 mm each end with contractor's own 'B' Class bricks. It also includes excavation, curing, grouting, bolting etc. where ever required. 'B' Class bricks, sand and cement (ISI mark) will be supplied by the Contractor.

Supply, preparation, splicing and installation of straight joint for 24 fibers along with enclosures with heat shrinkable splice protection sleeve as per TEC Specn.G/OJC-02/01 March- 99 or latest. Splice losses

Supply, preparation, splicing and installation of straight joint for 48 fibers along with enclosures with heat shrinkable splice protection sleeve as per TEC Specn.G/OJC-02/01 March- 99 or latest. Splice losses in no case should be more than 0.1 dB.

Blowing/drawing of OFC cables in the HDPE duct along with all the protective work as per approved standard and instructions of site Engineer

Repairing of Single case foundation by excavation and casting it with contractor's 10 cement, brick and other materials as per Drawing No. 6-AL-TYP- CW-8006 with latest amendment if any, and as per scope of work. Contractor has to completely break the entire foundation retaining the existing MS frame. The entire work shall be executed by the contractor to the Satisfaction of Site Engineer.

Repairing of half case foundation by excavation and casting it with contractor's 11 cement, brisk and other materials as per Drawing No. 6-AL-TYP-CW-8005 with latest amendment if any, and as per scope of work. Contractor has to completely break the entire foundation retaining the existing MS frame. The entire work shall be executed by the contractor to the Satisfaction of Site Engineer.

Replacement of old signal unit /signal route of main signal. This would include 12 releasing of old unit from top of signal post erection and mounting of new signal unit over the post including wiring of Main Signal LED/Signal route of main signal as per Technical Specification. This also includes bringing new signal unit from station/IMD/IMSD to site and bring back old unit from site to station/IMD/IMSD.

Refixing of electrical point machines and ground connection. This would include 13 removal of old /existing point machine and fixing of new/overhauled motor. This would also include bringing the new machines from station / IMD/IMSD to site and taking the old /released machines from site to station/ IMD/IMSD.

Lettering/Numbering of Signals, Point Machine, Track Lead junction Boxes, Block joints, Apparatus Cases etc. (each item to be taken as One Unit). This work will be carried out as per the standard practice or as per site incharge instructions.

Lettering / Numbering Termination particulars, equipment's names etc., legibly and neatly inside location boxes. Full Case.

Painting of two coats of synthetic enamel paint over one coat of primer on the below mentioned items a after scraping & cleaning surface wherever necessary with contractor's own supply of paints. Wherever required contractor shall apply coating of epoxy paint also as per 20 instructions of site-in-charge. The paint and primer should be from Asian Paints/Nerolac/Dulux/Berger. The primer/enamel paints (Aluminium synthetic, black enamel, brilliant white and yellow) will be as per (IS 5660 of 1970)/ (IS 2932 of 1974). Point Machine with ground connections complete (Point Machine with Black enamel only outside and ground connections with Red oxide).

Jointing of 4/6 quad/Signaling cable with Heat Shrinkable straight through Jointing Kit. 21 All the material required for the work are to be arranged by contractor himself at his own cost except Thermo Shrinkable Joint Kit/Rapid Joint kit. After jointing the cable through test such as insulation test, continuity cable losses etc. to be carried out jointly with DFCCIL Engineer. If any defect or any damage is observed during jointing, the contractor has to redo the joint free of cost.

Strengthening of foundation of signals, Full/Half location boxes, by carrying out earth 22 work around the foundation, ramming of refilled earth, carrying out masonry work from bottom of earth work using country stones & cement masonry to prevent the earth from slipping down the bank. This also includes the supply of required masonry materials.

Shifting and installation of Apparatus Case Single (Full) Drawing No.- 6/BL/TYP/CW/8024/0 with latest amendment, if any.

Shifting and installation of Apparatus Case (Half) Drawing No.- 6/BL/TYP/CW/8023/0 with latest amendment, if any.

Demounting and Replacement/Reconnection of Wheel Sensor (Track Device) of Multi- Section Digital Axle Counter (MSDAC) including disconnection and reconnection of tail cable at TLJB. This includes complete removal of Wheel Sensor (mounted on the rail) along with the tail cable under the rail. The Contractor shall ensure the proper alignment of the Wheel Sensor at the time of mounting the new Wheel Sensor. Wheel sensor (In case of Replacement) shall be supplied by DFCCIL. The Contractor shall bring the new wheel sensor from station / IMD/ IMSD to site and shall take the old / released wheel sensor from site to station/ IMD/ IMSD. The work shall be completed as per OEM's guidelines and Technical Requirement & Specification under the supervision of DFC site in charge.

Installation, erection and wiring of CLS unit, Post, Ladder & Base, LED unit including 26 laying out of Tail Cable from Location box. Wiring of CLS unit shall be carried out as per Technical Specification. This also includes Protection of unit from Rainwater. The Material shall be supplied by DFCCIL.

Installation, erection and wiring of Junction Type/'V' Type route Indicator (LED Type)/seven Segment Route display unit. Wiring shall be carried out as per Technical Specification. This also includes Protection of unit from Rain Water. The Material shall be supplied by DFCCIL.

Installation, erection of Shunt Signal Units with base & post and laying out of tail cable from location box and Wiring of Shunt Signal LED unit as per Technical Specification. This also includes Protection of unit from Rain Water. The Material shall be supplied by DFCCIL.

Cross Trench for identification of the route of existing signaling and telecom cables.

Dismantling and releasing of location boxes/Apparatus Cases/jn. Boxes which includes releasing of terminal boards, relays, terminals, batteries track feed chargers and other associated fitting installed in the locations

Main Signal foundation.

Shunt Signal Foundation

Cutting of all types of Road/Platforms Trenching & Excavation to depth of 300mmx300mm wide approx. refilling after laying of GI/DWC (To be provided by DFCC) Pipes and repairing to restore to original condition.

Construction of OFC jointing pit of size1mx1mx0.6m, using bricks ,sand and cement 34 in the ratio1:3.The thickness of the wall shall be 120mm.The top cover shall be of concrete of thickness75mm with two iron handles on top of it.The pit shall be covered with sand after putting the joint enclosure.All construction material to be supplied by contractor.

Supply & Fixing of Hylam Sheet (1220mm x 1220mm x 10mm), of minimum Grade P5, on Apparatus Case/Location Boxes for wiring of Signalling Circuits and Cable Termination, fixing 35 on suitable size Contractor's angle and string rod for supporting cable on back side, including fixing of Terminals/Fuses as per location diagram/plan and technical specifications, with drilling of holes on either side of terminals/fuses and other places as required for Cable Conductor/Wires entry and fixing of sheet (full case)

Supply of carrier Rails ( Din Rail) for above 35mm x 7.5mm, 1mm/0.039 in thickness un-slotted type as per site requirement

Installation of Apparatus Cases with miniature "E" type lock on CC foundation. This includes filing of location foundations with river bed sand and plastering on top of the sand. "E" Type lock will be provided by the DFCCIL.(Half Case)

Supply and Installation of earth electrode assembly as per latest RDSO standard / DFCCIL site in charge instruction. This also includes fixing of earth electrodes, earthing of S&T apparatus cases along with all equipment and cable armours along with soldering at all location as 46 decided by the site engineer of the DFC, signal post etc. connected through cable/GI wire 8SWG supported on MS flat size 5mmX40mm to earth electrode as per DFCCIL drawing and practice on the division suitable brick masonry enclosure to be provided around the earth. The earth value which shouldbe less than 10 ohms including the lead wire, should be measured and painted on it. (Inspection by Consignee).

Supply of Round head type, glass fuses per Spec No IRS: S -78/92 with latest amendments,0.6A/2A/4A/6A/8A/10A rating capacity Above/

Execution of Maintenance activities of Power Operated Lifting Barrier and Sliding Boom as per Maintenance Schedule (Annexure-D) Above/