Signalling interlocking works in connection with modification in interlocking at MNUR and Track Machine siding at OTP station and Signalling Modifications, Assets Renewal & system improvements in stations over Palakkad Division.

"Supply and provision of Earthing arrangements for EI/MSDAC buildings as per RDSO 1 specifications as required for the EI system along with supply of all required materials. Earthing shall b e carried o u t as per RDSO/SPN/197/2008 and RDSO Lr .No STS/L/SSI/CA/US&S D t 26.07.2011 forTypical Earthing connections for EI. Painting of earthing diagram as replica of the ground on backside wall of relay room as per the instruction of Site In-charge.(Per unit= Per goomty/station)"

Fixing of Modular terminal block/fuse block along with accessories with provision of fixing holes on hylam sheet/side angles of Location Box and fixing by Galvanized nuts and bolts. This includes fixing of DIN channel for cable termination on Modular terminal

Excavation of cable trench in all kinds of soil except hard rocky areas including clearing of roots of trees, rocks, bushes etc. to a depth of 1.0 Mtrs and to a width of 0.3 Mtrs. (Laying of cables is not included in this schedule)

Removing/breaking of existing RCC slabs on the Passenger Platform, trenching to a 4 depth of 0.6m to accommodate the additional cables, replacing the slabs removed after the cables are laid and replastering with cement mortar, refilling the trench by ramming and consolidating it as p e r t h e instructions of Railway Representatives a t site. (Laying of cables is not included in this schedule).

Breaking of Platform concrete having 0.3 feet thickness - 0.5 feet thickness and to a width of 0.3 Mtr using cutter machine and removal of RCC slabs on the Passenger Platform, trenching t o a depth o f 0.6m to accommodate the additional cables, replacing the slabs removed after the cables are l a i d a n d replastering w i t h cement mortar, refilling the trench by ramming and consolidating it a s per the instructions of Railway Representatives at site. (Laying o f cables i s not included in this schedule).

Laying o f signaling/power/ telecommunication cables a s p e r cable plan in cable trenches, masonry ducts, RCC Pipes, DWC pipes, GI Pipes etc.(Supply of cables is not included in this schedule).

"Refilling of cable trench 1m depth by 0.3m width throughout, with earth after laying of cables, and consolidating the trench by ramming and levelling."

"Road crossing/ Track Crossing through Horizontal Drilling at approximately depth of 1.5 to 2m below the formation level of the earth including insertion of HDPE pipe/DWC pipe along 8 with couplers, drawl of cable (or) direct drawl of cables etc. (Note: The pilot used for HDD should be of sufficient size to suit insertion of HDPE /DWC pipe of size 120mm (outer dia.) or direct drawl of three cables (Signalling/Power/Quad/OFC) or three nos.of 4 0 m m d i a H D P E p i p e o r a n y other combination as directed by the site engineer) ( Supply of HDPE pipe is not covered in this schedule)"

Supply of subsidiary Signal Aspect - Calling on L E D a s p e r R D S O Specifications SPECIFICATION NO. RDSO/SPN/153/2023 Revision 5.0 or latest

S u p p l y o f subsidiary S i g n a l A s p e c t - Shunt LED a s p e r R D S O Specification SPECIFICATION NO. RDSO/SPN/153/2023 Revision 5.0 or latest

Supply of post type shunt signal - complete with hood etc., with necessary inspection as per specification/ drawing/ description enclosed in this document.

Supply of Ground type shunt signal - complete with surface base, signal pole, hood etc., with necessary inspection as per specification/ drawing/ description enclosed in this document.

Supply of Calling On Signal / 'A' marker light - complete with necessary inspection as per specification/ drawing/ description enclosed in this document. a)Supply of Calling On Signal

Manufacture and supply of M.S. relay frames of suitable size to hold up to 4/ 8/ 12/ 20 relays /plug in type as required by Railways and fixing them in apparatus cases for all types of signal control circuits, LC gate control circuit a n d Point control circuits, fixing o f plug boards, relays, resistors and electrolytic condensers on Phynolic synthetic industrial fibre base fine weave cotton 14 fibre sheet - 6mm thick to IS specification 2036 - 1995 - Type F5, wiring a n d termination as per approved circuit diagram and painting the particulars.[Wire PVC copper, 3/0.75mm and 16/0.2mm copper, Phynolic synthetic industrial fibre base fine weave cotton fibre sheet - 6mm thick to IS specification 2036 - 1995 - Type F5, for fixing resistors and condensers, MS flats 25mm x 6mm brass bolts a n d nuts, paints, soldering materials, resistors, condensers a n d a l l other miscellaneous materials required for the work shall be supplied by the contractor]. b)Wiring o f Signal/ Point/ LC control circuit (up to 8 relays/plug in type)

Fixing o f PBT terminal block/ PBT fuse block, rubber grommets, clamping of cables using teakwood cable clamps and base planks, termination of cables, provision of ND type fuses of required capacities, provision of copper bus bar for supply terminals, wiring, provision of termination particulars diagram board using plywood of thickness 12mm - teakwood finish o f size 1800mm x 1200mm with Aluminium grooved channel frame in the relay room. The blank spaces over the top of the cable termination rack shall be covered with phynolic sheet of thickness 3mm wherever required. 15 The termination and cable core particulars shall be painted on the PVC/ nylon sleeves. The work also includes identification of cables using aluminium tags provided on each cable with letters punched neatly.(Supply of PBT terminal blocks 25mm & 60mm centers and PBT Fuse blocks is not covered in the schedule) [Wire P V C 3/0.75mm copper, brass bolts and n u t s a n d washers, f o r fixing PBT terminal/Fuse Block, other fixing bolts and nuts, rubber grommets, PVC/ Nylon sleeves, copper bus bars, teakwood 50mm x 50mm for cable clamps, 25mmx 100mm for base planks, phynolic sheet 6mm thick of size 1200mm x 1800mm with aluminium grooved channel frame, phynolic sheet 3mm thick, paint and all other miscellaneous materials shall be supplied by the Contractor]. a)Fixing of PBT terminal blocks (25mm/60mm centre) and termination (Per Unit = Per Terminal Block)

Fixing of plug boards, 50 way terminal blocks with 2BA terminals, and wiring of relays as per the approved circuit diagram using wire PVC 16/0.2mm copper. Suitable wire supporting tray with cover made of PVC shall be provided horizontally and vertically in the relay racks.. While running the wires on the aluminium ladder proper care shall be taken to provide smooth materials like rubber beading in the openings on Phynolic sheets, to avoid damage to wires. The work also includes wiring 16 of contacts for data logger and terminating them in tag blocks, provision of relay index board.(Supply o f relays, plug boards, connectors and retaining clips i s not covered i n this schedule). [Wire PVC 16/0.2mm copper, tag blocks, 2BA terminals, hard wood plank of size 600mmx 900mmx25mm with decolum finish, MS angles of size 25mmX25mmX6mm, relay fixing bolts and nuts, teakwood plank 25mm thick for fixing resistors and condensers, phynolic sheet 6mm thick of size 1200mmX1800mm with aluminium grooved channel frame for relay index board, paints, soldering materials, bunching thread, wire wound resistance, condenser, wire supporting tray with cover of suitable size made of PVC, paint, varnish and all other miscellaneous materials required for the work shall be supplied by the Contractor].

Fixing o f additional plug boards, 5 0 ways terminal blocks a n d wiring o f additional relays a s p e r t h e approved circuit diagram using wire PVC 16/0.2mm copper. Additional wire supporting tray with cover made of PVC shall b e provided wherever required. Alterations t o Relay 17 particulars shall be incorporated in the relay Index board.(Supply of relays, plug boards, connectors and retaining clips and 50 way terminal boards is not covered in this schedule).[Wire PVC 16/0.2mm copper, 2 BA terminals, teakwood plank 25mm thick for fixing resistors and condensers, soldering materials, bunching thread, wire wound resistance, condenser, wire supporting tray with cover of suitable size made of PVC, paint, varnish and all other miscellaneousmaterials required for the work shall be supplied by the Contractor ]

Supply o f Double walled corrugated pipe - 103.5mm inner dia & 120mm outer dia conforming to specification No. IS 14930(Part 2): 2001 with one coupler for every 6m of pipe as per Technical specification

Supply and laying o f P V C Warning Tape colour Orange, width o f 250mm (10") by printing with black letters 'Indian RailwaySignal/Telecom/OFC Cable' on both sides

"Erection of surface base, signal pole, mounting of colour light signal up to 4 aspects complete o n Signal pole/ Off-set bracket, (for LED/ filament bulbs) with lenses, triple pole lamp holder, filament switching units, CLS transformer, current regulators (whichever is applicable), fixing of ladder with platform complete and concreting o f ladder shoe, fixing o f number plates, marker board, lens guard, fixing of speed limit board wherever necessary, termination of tail cables, wiring of signal unit with PVC wire 3/0.75mm copper, provision of EWS locks, and painting of one coat of red 20 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 a hole in the signal pole to prevent the offset bracket from sliding down.(Supply of surface base, Offset bracket, CLS pole, C L S aspects complete, ladder with shoes and platform, Speed limit board, LED aspects, current regulators, lamp holders, lamps, filament switching unit and CLS transformer is not covered in this schedule).['U' bolts and nuts, through bolts and nuts, cement, stone jelly 20/25mm dia, M sand, Signal Collar Rings, wire PVC 3/0.75mm copper, lens-guard, all fixing bolts and nuts, lead wool, paints PVC/Nylon sleeves, enameled number plates. enameled marker boards, EWS locks, and all other miscellaneous materials for the work shall be supplied by the Contractor]."

"Excavation of pit and casting concrete foundation as per Drg, No.SG/CN/02/10 using 21 metallic templates, for erection of ground type colour light shunt signal. [Foundation bolts and nuts, cement, M sand, stone jelly of size 20/25mm and all other miscellaneous materials for the work shall be supplied by the Contractor]."

"Erection of Ground type shunt signal complete including surface base, signal pole, LED aspects/ lenses, bulbs with holders (whichever is applicable), fixing of lens guards, number plate, termination o f tail cables, wiring o f signal unit with PVC wire 3/0.75mm copper, provision o f EWS 22 locks and painting o f one coat o f red oxide and two coats o f Aluminium/ enamel paint.(Supply of Ground type shunt signal complete including surface base, signal pole, LED aspects, holder, bulbs, and lenses is not covered i n this schedule).[Wire PVC 3/0.75mm copper, lens guards, E W S locks, Enameled number plates, bolts and nuts, lead wool, paints and all other miscellaneous materials shall be supplied by the Contractor]."

Fixing of Offset brackets using 'U' bolts and nuts, erection of Post type shunt Signals, termination o f tail cables and wiring using wire PVC 3/0.75mm copper, provision of EWS lock and 23 painting o f o n e coat o f red-"oxide and two coats of aluminium/ enameled paint. The work also includes drilling suitable holes on the CLS post and provision of a through bolt with nut to prevent the Off-setbracket from slipping down."

Fixing of Offset brackets using 'U' bolts and nuts, erection of Calling O n Signals/ 'A' marker lights, termination of tail cables and wiring using wire PVC 3/0.75mm copper, provision of EWS lock, number plates/ marker boards and painting. The work also includes drilling suitable holes 24 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 aspects/holders & bulbs and Off set brackets is not covered in this schedule).['U' bolts a n d nuts, through bolts with nut, wire P V C 3/0.75mm copper, E W S lock, Enameled number plates, wire mesh, PVC/Nylon sleeves, paints a n d a l l other miscellaneous materials shall be supplied by the contractor].

Releasing of existing tail cables and drawl of new tail cables for colour light signals up t o four aspects w ith o r without route indicator, post type shunt signal and Calling on signals, 25 termination of new tail cables and wiring using wire PVC 3/0.75mm copper. This work includes drawl of new tail cables into the signal post duly releasing the existing tail cables from the relevant signals a n d re-surfacing t h e earth excavated as instructed by Railway representative at site. [Wire PVC 3/0.75mm copper, paints and all other miscellaneous materials shall be supplied by the Contractor].

Excavation of pit, casting concrete foundation and erection of apparatus case full size as per Drg. No.SG/CN/02/6 and fixing of 2 Nos. of 'E' type locks, one for the front door and another for 26 the back door, fixing o f one hard wood shelf plank 37mm thick and painting the apparatus case inside and outside with one coat of red-oxide and two coats of aluminium paints.(Supply of apparatus case is not included in this schedule).[Foundation bolts & nuts, 'E' type locks, cement, M sand, stone jelly o f size 20/25 mm, hardwood plank of 37mm thick, paints, varnish, fixing bolts & nuts and all other miscellaneous materials required for thework shall be supplied by the Contractor.]

Excavation of pit in and around the existing location boxes very carefully without damaging the working cables and shifting and turning the location boxes to clear of the infringement a s instructed b y the Railway representative a t site. The work includes ensuring the safety of the 27 signaling system, releasing t h e cable coils t o give access for shifting/turning t h e location boxes. Necessary masonry work and earth work in and around the location boxes to the required level shall be done as instructed by the Railway representative at site. If the existing earth connections to the location boxes are disturbed, the earth wires shall be properly re-connected. a) Shifting of apparatus case (full)

Excavation of pit in and around the existing location boxes very carefully without damaging the working cables and shifting and turning the location boxes to clear of the infringement a s instructed b y the Railway representative a t site. The work includes ensuring the safety of the 28 signaling system, releasing t h e cable coils t o give access for shifting/turning t h e location boxes. Necessary masonry work and earth work in and around the location boxes to the required level shall be done as instructed by the Railway representative at site. If the existing earth connections to the location boxes are disturbed, the earth wires shall be properly re-connected. b) Shifting of apparatus case (half)

Termination o f n e w main/tail cables o n the existing terminals/ fuse blocks in apparatus cases/ battery boxes/ CT boxes/ cable termination racks as per approved circuit diagram. The terminal particulars a r e to be repainted /corrected o n t h e doors of apparatus cases/ battery 29 boxes/ cable termination boxes and FTOT index board as instructed by Railway representative at site. This work includes closing the opening created for entry of new cables i n the apparatus cases with masonry brick work and sealing the bottom of the apparatus cases/ cable termination racks with cable compound.[Paints, wire PVC 3/0.75mm and 16/0.2mm copper, sealing compound, bricks, cement, M sand and all other required miscellaneous materials shall be supplied by the contractor]. (Per Unit = Per Terminal block)

Termination of main, tail, Signaling and power cables and internal wiring on terminal/ fuse blocks i n new apparatus cases, cable termination boxes and i n gate Lodges excluding cable termination rack at relay room. The work includes fixing of all new cables by teakwood clamp on teakwood base plank, fixing of Phynolic synthetic industrial fibre base fine weave cotton fibre board 6mm thick for terminal board to suit each apparatus case, varnishing all teakwood items, fixing of 30 terminals/ fuse blocks o n t h e terminal board, drilling of necessary holes, termination o f cables, wiring, identification o f cables using aluminium tags with letters punched neatly, as per approved circuit diagram and cable plan, painting o f particulars o n sleeves andalso o n the inner side o f the doors of apparatus cases. After terminations are "over, t h e s i d e openings o f apparatus case foundation shall be closed with brick work, cement plastered, the inter-space filled with M sand up to base level and the bottom surface shall be sealed with sealing compound.(Supply of PBT terminals and Fuse blocks is not covered i n this schedule)." a)Termination o n 25/60mm PBT terminals (new location)(Phynolic sheet)(Per Unit = Per Terminal block)

Termination of main, tail, Signaling and power cables and internal wiring on terminal/ fuse blocks i n new apparatus cases, cable termination boxes and i n gate Lodges excluding cable termination rack at relay room. The work includes fixing of all new cables by teakwood clamp on teakwood base plank, fixing of Phynolic synthetic industrial fibre base fine weave cotton fibre board 6mm thick for terminal board to suit each apparatus case, varnishing all teakwood items, fixing of 31 terminals/ fuse blocks o n t h e terminal board, drilling of necessary holes, termination o f cables, wiring, identification o f cables using aluminium tags with letters punched neatly, as per approved circuit diagram and cable plan, painting o f particulars o n sleeves andalso o n the inner side o f the doors of apparatus cases. After terminations are "over, t h e s i d e openings o f apparatus case foundation shall be closed with brick work, cement plastered, the inter-space filled with M sand up to base level and the bottom surface shall be sealed with sealing compound.(Supply of PBT terminals and Fuse blocks is not covered in this schedule)." b)Termination o n PBT fuse block (new location) (Phynolic sheet)(Per Unit = Per Fuse block)

Termination o f main, tail, Signaling and power cables and internal wiring b y fixing additional terminals/ f u s e blocks o n the existing terminal boards of apparatus cases, cable termination boxes etc. The work includes fixing of all new cables by teakwood clamp o n teakwood base plank, varnishing all teakwood items, fixing of terminals/ fuse blocks, on the existing terminal 32 boards, drilling o f necessary holes, termination of cables, wiring, identification o f cables using aluminium tags with letters punched neatly, as per approved circuit diagram and cable plan, painting o f particulars o n sleeves and also o n t h e inner s i d e o f t h e d o o r s of apparatus cases. After terminations are over, the side openings o f apparatus case foundation shall b e closed with brick work, cement plastered, the inter-space filled with M sand up to base level and the bottom surface shall be sealed with sealing compound. a)Termination of cables on 25/60mm PBT terminals (existing location)(Per Unit = Per Terminal block)

Termination o f main, tail, Signaling and power cables and internal wiring b y fixing additional terminals/ f u s e blocks o n the existing terminal boards of apparatus cases, cable termination boxes etc. The work includes fixing of all new cables by teakwood clamp o n teakwood base plank, varnishing all teakwood items, fixing of terminals/ fuse blocks, on the existing terminal 33 boards, drilling o f necessary holes, termination of cables, wiring, identification o f cables using aluminium tags with letters punched neatly, as per approved circuit diagram and cable plan, painting o f particulars o n sleeves and also o n t h e inner s i d e o f t h e d o o r s of apparatus cases. After terminations are over, the side openings o f apparatus case foundation shall b e closed with brick work, cement plastered, the inter-space filled with M sand up to base level and the bottom surface shall be sealed with sealing compound. b)Termination of cables on PBT fuse block (existing location) (Per Unit = Per Fuse block)

Dismantling and releasing of existing Colour light Signals complete (upto 4 aspects) 34 with or without Route Indicators, calling on signals, shunt signals etc., carefully without any damage to the gadgets, accounting and stacking them neatly at a place as instructed by Railway representative at site. The work includes breaking the concrete foundation,closing the resultant pit and resurfacing it by ramming and levelling.

Protection adjustments a n d re-instating of S&T gears by deputation of 35 Helpers/Unskilled Labour for executing additional S&T portion o f the works. The work can involve fixing, releasing, dismantling, replacement,excavation, clearing of vegetation, loading and unloadingof material and assisting skilled persons etc as per instruction of Railway representative.

Protection, adjustm e nt a n d reinstating of S&T g e a r s b y deputatio n of Fitter/Wireman/Painter/Welder/ Mason/Cable Jointer (Skilled Labour or Technician ) etc., for executing 36 additional S&T portion of works. The work can involve fixing, releasing, dismantling, replacement, painting or alteration of various signallilng assets or parts, termination of cables, minor patch work on damages at location box, Plastering, Concreting brick work, wiring alterations, cable jointing etc as per instruction of Railway representatives at size.

Transportation o f Signalling materials by road a s p e r t h e instructions o f Railway representative a t s i t e . T h e w o r k also includes l o a d i n g a n d unloading o f the materials a)Transportation of Signalling materials upto 100kms

Supply o f 2 4 Core x 1.5 Sq.mm PVC insulated Armoured, unscreened underground Railway Signalling copper cable as per IRS: S-63/2014 REV.4 Above/

Supply of 12Cx1.5 SQMM PVC insulated Armoured, unscreened underground Railway Signalling copper cable as per IRS: S-63/2014 REV.4 Above/

Supply of Underground jelly filled 6 QUAD, 0.9MM Dia as per spec IRS:TC 30-05 with amd 5 or latest