Viramgam - Okha section - Provision of MSDAC for safety and reliability improvement at 7 stations (Vani Road, Sabli Road, Bhaskarpara, Lilapur Road, Kesariya Road, Bajrangpura and Bala Road) of Rajkot Division.

Installation of track device (double rail contact) including digging of trench, track crossing, laying of anti-rodent, anti-oxidant & non-flame propagating type Double Walled Corrugated 1 (DWC) pipe as per IS- 14930 part- I or II or latest and all other accessories as per site requirement to be for laying of transmitter and receiver cable. The item also includes installation of EJB / Track side Electronics including foundation & earthing as per OEM's guidelines and Technical requirement & specification with their own material. NOTE: Installation / programming / configuration / commissioning of Axle counter equipment to be carried out in accordance with latest guidelines issued by Railways/RDSO preferably by Authorized representative of OEM.

Installation of Central Evaluator of axle Counter, wiring from CT rack to Central Evaluator, installation and wiring of the reset box, LV box (if required) and associated power supply wiring. This includes supply of shielded cable of required conductor size for wiring between CT rack 2 to evaluator rack, all other wires, power supply cable and wiring materials. The power supply cable from power room to Central Evaluator should not be less than 10 sq.mm PVC wire. Earthing as per OEM's guidelines & specification with their own material. This also includes painting and writing work on evaluator as per site requirement. NOTE: Installation /programming / configuration / commissioning of Axle counter equipment to be carried out in accordance with latest guidelines issued by Railways/ RDSO preferably by Authorised representative of OEM.

Installation of Relay Rack Assembly including IDF pillars if any complete with wall 3 supports, scaffolding, ladders, runway for cables, fixing of Relay / Relay group base plates, fixing of Tag blocks etc. The work shall be done as per approved plan, extant practice on WR & the instructions of Rly engineer at site.

Installation of Cable Termination Racks Assembly complete including wall supports, 4 scaffolding, 8 way/ARA terminals /Screw less connectors, Tag blocks & other necessary accessories etc. The work shall be done as per approved plan, extant practice on WR & the instruction of Rly engineer at site.

Circuit wiring/jumpering as per circuit diagrams in the relay racks/IDF rack tag blocks. This includes preparation of Jumper sheets by wire man duly checked by firm's site supervisor & 5 wire to wire testing as per circuit diagram. Any wrong jumper done by wireman will not be paid &correction shall be done free of cost. Jumper wires will be issued by Railways. Good quality solder resin core to be supplied by contractor for soldering of Jumper wires. Soldering of jumper wires to be done after completion of testing by Railways.

Installation of Earth Electrode including MS flat for clamp etc. and connection to signalling equipments, lever frames, apparatus cases, signal, relay rack, block instrument, etc. as per technical specification given. This item includes digging of pit in earth 3 M deep & fixing earth 6 electrode pipe, casting of cement concrete enclosure & cover as per RDSO/SPN/ 197/2016.Soiltreatment to be done as per std. practice. This item includes provision of MS Flat, Earth lead wires and Soldering of lead wires. The other end of the wire is to be connected to block equipment, power equipment, cable sheath, and signals etc. as per site requirements. 7strand GI wire shall be used as earth lead wire. Supply of earth electrode is covered in other Item').

Installation of Maintenance Free Earth Electrode for Maintenance Free Earth spec of RDSO/SPN/197/2008.

Fixing of ARA Terminals /Screw less connectors 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.

Termination of outdoor cables, main cables laid in location boxes, Cable termination rack etc. at both ends on ARA terminal or on 8 way terminals or on screw less connectors. Both ends 9 of a cable core terminated shall be counted as one terminal. This includes all associated works of pulling out the cable from underground, peeling off insulation, dressing of cable core supported on sting rod with contractor's own material. The work shall be done as per instructions of Rly engineer at site.

Lettering & Numbering of detail and description writing of on relay rack, relays, cable 10 termination rack, battery &power equipments, IPS, operating panel, axle counter etc. constituting entire system with contractor's own paint and writing material. The work shall be done as per extant practice on W.R Rly & instruction of Rly engineer at site.

Providing brick masonry in ratio 1:6 cement and mortar including plastering with 1:4 11 cement and sand mixture both sides, 20 mm thick each with contractor's owned class II bricks, including excavation, curing, grouting, bolting etc. wherever required. Bricks sand and cement to be supplied by the contractor.

Cement concrete work for miscellaneous items in the ratio 1: 3: 6. Item includes excavation, ramming, curing and plastering with cement & sand mixture (aggregate not exceeding 3.8 cm.) (Aggregate cement & sand to be supplied by the contractor).

Earthwork in filling in embankment, guide bunds, around buried type abutments, bridge gaps, trolley refuges, rain bunds if provided, platforms etc. with earth excavated from outside railway boundary entirely arranged by the contractor at his own cost as per RDSO's latest guidelines 13 and specifications and special condition of contract including all leads, royalty, lifts, ascents, descents, crossing of nallahs or any other obstructions. The rates shall include all dressing of bank to final profile, demarcation and setting out of profile, site clearance, removing of shrubs, roots of vegetation growth, heavy grass, benching of existing slope of old bank, all handling/re-handling. Taxes, Octroi and royalty etc. as a complete job. Cut trees shall be property of railways and to be deposited in the railway godown unless specified otherwise in the Special conditions of contract.

Excavation and Casting of Apparatus Case foundation with contractor's own materials 14 including cement and anchor bolts of standard size. The required scaffolding Ferma etc. for Casting of foundation will have to be brought by the contractor at his own cost Single Case as per Drg No SK 748 or CSTE/5074 or SS Location

Excavation and Casting of Apparatus Case foundation with contractor's own materials including cement and anchor bolts of standard size. The required scaffolding Ferma etc. for Casting of foundation will have to be brought by the contractor at his own cost Half Case as per Drg No SK 747or CSTE/5074 or SS Location.

Installation of Apparatus Cases with miniature 'E' type lock on CC foundation. This includes filling of location foundations with river bed sand and plastering on top of the sand. 'E' Type lock will be provided by Railway. Single Case

Installation of Apparatus Cases with miniature 'E' type lock on CC foundation. This includes filling of location foundations with river bed sand and plastering on top of the sand. 'E' Type lock will be provided by Railway. Half Case

Fabrication and fixing of SMC sheet in location box by providing all fixtures as per 18 Railway Drawing including fixing of PVC coated string rods at the back side for cable support with contractor's own materials. The work shall be done as per Drg and arrangement similar to SK 783- 1/2. With latest alterations & as per instructions of Rly engineer at site. Note: SMC sheet will be taken in place of phenolic laminated sheet. Single Case

Fabrication and fixing of SMC sheet in location box by providing all fixtures as per 19 Railway Drawing including fixing of PVC coated string rods at the back side for cable support with contractor's own materials. The work shall be done as per Drg and arrangement similar to SK 783- 1/2. With latest alterations & as per instructions of Rly engineer at site. Note: SMC sheet will be taken in place of phenolic laminated sheet. Half Case

Excavation of cable trench as per cable route plan, 1 Mtr. deep and of 0.3 Mtr. to 0.6 Mtr wide advised by Engineer-in-charge alongside the track in normal (all type) soil/strata, conforming to distances as per cable route plan and refilling. This work includes clearing of route 20 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 Western Railway and instructions of Railway Engineer at site. In case 1m depth of trench is not achievable due to site conditions, specific approval of JA grade officer will be required for each site where trench depth of 1m is not possible. Without the approval of JA Grade officer, no payment for trenching will be made for trench depth less than 1m.

Digging of cable trench 0.3 Mtr. Deep and 0.3 Mtr. Wide on Asphalted Platform / Road / Hard rocky area. Refilling with earth leveling of trenches & restoring the original surface of trenches.

Cutting of Hard rock in trenches /Preparation of cable way/Chase 150mm wide at the bottom and 300 mm deep in hard rock (Drg prepared by contactor & approved by Engineer In 22 charge) for laying of S&T cables where minimum required depth not possible & which is verified and agreed by Engineer In charge of the work or his representative shall be made as per Drg. No RE/S&T/ALD/SK/301/85. Refilling of the same with concrete mixture of 1:3:6 from top of the cable way/ chase. Payment of concrete will be made separately through a separate item in the schedule of work. Running

Providing chase in hard rocky soil for laying of S&T cables where optimum depth (0.5m) in not possible and which is verified and agreed by engineer-in-charge. After laying of cables, it should be covered with PCC work in ratio of 1:3:6.

Horizontal direction drilling/boring without damage of surface road using Auger Machine. The bore shall be 150 mm Dia & shall be done at the depth of minimum 1200 mm from the 24 ground level. The ground level shall be considered ignoring the bank height of the bank of the road. The length of the bore shall be minimum 4 Mtr long. The HDD with or without HDPE pipe as per direction of Engineer In charge. Note: HDPE pipe supply is taken as separate item. This item also includes cable laying (HDD boring).

Digging of cable pit (min2x2x1m) as per instruction of Site Engineer, supplying and filling of sand before and after coiling the cables, covering top of the cable pit with stones and providing brick masonry on all four sides of the cable pit and plastering thereafter. Running

Placing of DWC/RCC pipes along with collars in trenches at places of track and road crossings, platform cuttings etc. also for straight cable laying. (Cable laying is covered separately.) Running

Laying and fixing of Medium class GI pipes 100 mm Dia (4.5 mm thickness) as per IS 1239 ( Part 1) 2004 or latest with coupling on culverts/bridges, perforated at a distance of 20 cm or 27 less with 10 mm Dia hole, or at any other locations as decided by Site Engineer. The GI pipe is to be filled with chattered compound. It includes supply of all material required for fi Xing arrangement. Contractor will also supply flexible/corrugated HDPE pipe at the end of GI pipe to protect the cables from sharp edges and sudden bends. The e laying and fi Xing to be done as per RDSO drawings No. SDO/cable laying/011 and SDO/cable laying/012, issued vide RDSO document No. RDSO/SI/G/2010 Version 1.1 dated 04.02.2014, or latest. Running

Laying of S&T Cables of various cores/ pairs/ quads in trenches/ GI pipes/ RCC pipes/ DWC pipes/ Trucking. This also includes laying of cables in track crossings & road crossings. Item 28 includes provision of labels of colored plastic adhesive tapes or any other identifiable material on each cable to give the cable number at each G.P.(Cables will be daggered before and after its laying by contractor under supervision of Railway Representative and he will submit the meggering report of each testing). Length of the cable laid includes the length of the cable coiled for termination purposes.

Supply and installation of RCC cable route marker engraved and painted on both side along the route every 50mm and route diversion as per Drg. No 4014/00/CC4 or latest/ Stone marker. Above/

Supply of ferrules of different colour, printing termination details/ functions in 1 different colours as per Railway specification and installation in location box, CTR in relay room/cable hut and power board etc. All the materials required for the work shall be supplied by the contractor

Fabrication and supply of premium quality ACP sheet 5mm thickness with vinyl printing of approximately size 2.5 feet x 4.5 feet with framing. This item also includes lettering / numbering of termination particulars, CTR contact details in relay room, relay hut, goomties etc. This 2 item also includes all material and resources required for fixing and transportation at stations & LC gates. Colour coding of CTR termination details will be as per WR/HQ policy letter, CTR termination details will be given by Railway. Work will be carried out as per western Railway practice. One sample of CTR Board to be provided before printing of all CTR Board to division office for examine/checking/approval.

Fabrication and supply of premium quality ACP sheet 5 mm thickness with eco vinyl printing of approximately size 12inch x 18inch. This item includes lettering / numbering of 3 termination particulars of gears etc. This item also includes all material and resources required for fixing and transportation at station & LC gates. Colour coding of termination details will be as per WR /HQ policy letter. Termination details of location box will be given by Railway. Work will be carried out as per Western Railway practice One sample to be provided before printing to division office for examine/checking/approval.

Supply of 10 Sq. mm PVC insulated Single core Multistrands copper conductor (Red/Black/Green) as per IS:694/2010 or latest, as per Specification No. IRS:S-76/89 or latest. Colour of the wire which is required will be specified by the Engineer incharge.

Supply of 35 Sq. mm PVC insulated Single core Multistrands copper conductor (Red/Black/Green) as per IS:694/2010 or latest, as per Specification No. IRS:S-76/89 or latest. Colour of the wire which is required will be specified by the Engineer incharge

Supply of 24-32V/10A DCDC CONVERTER as per RDSO specification no. RDSO/SPN/165/2012 with latest ver. 03 or latest suitable for existing IPS.

Supply & installation of Fencing work arround S&T appartus case or building/office etc.

Supply of flexible cable single core multistrend copper conductors, 1x2.5 sq.mm confirming to RDSO specification IRS:S: 76/89 with latest amendments.

Phenolic laminated Sheet, grade P3 in standard size of 1220 X 1220 x 10 mm as per spec. No IS 2036 of 1995 or latest. Test report of manufacture to be supplied.

Supply of 25x3 mm bare copper strips in the equipment room. (Inspection by RDSO).

Routing and termination of 25x3 mm Copper strips which is to be fixed inside the equipment room with insulation studs. 1 wall insulator per 1 metre tap. (Insulator to be supplied by contractor as per RDSO spec)

Exothermic welding in relay room, IPS or any indoor room as per Earthing, Bonding, Surge & Lightning Protection System TAN STS/E/TAN/3006 ver 3.1

Exothermic welding for any outdoor Work for earth connection as per Earthing, Bonding, Surge & Lightning Protection System TAN STS/E/TAN/3006 ver 3.1

Connecting main earth pit to MEEB and the MEEB to SEEBs/SPDs and inter connecting earth pits per site. The work includes: (i) Digging trench to a depth of at least 0.5 m and running the FOUR 35sq.mm copper conductor from main earth pit to MEEB. (ii) Digging trench to a depth of at least 0.5 m and running copper tape of 25x2 mm for the construction of loop earth. The inter 14 connecting copper tape shall be covered with earth enhancing compound and back filling.(iii) Routing and termination of FOUR 35 sq.mm copper conductor from main earth pit to 300X25X6mm MEEB, which is to be fixed inside the equipment room with two insulation stud. This work includes laying and routing of copper cable in PVC/GI conduits. (iv) Routing and termination of 16 sq.mm copper conductor from MEEB to all 150x25x6 mm SEEBs/SPDs in the equipment rooms using exothermic welding as per latest RDSO guidelines.

Supply of Axle counter cable conductor's Earth resistance Sensing unit. Microcontroller based for 12 nos conductors with metering facility for one conductor at a time.

Installation of Axle counter cable conductor's Earth resistance Sensing unit. Microcontroller based for 12 nos conductors without cable

Supply of Attenuation &Cross talk measuring set test frequency 150 Khz. Model- BT- AXT OR Equivalent MakeBharat technology hydrabad or similar as per technical specificaion mentioned in tender document.

A1-Supply Items

Supply of Multi Section Digital Axle Counter (MSDAC) for mentioned detection Point by the purchased & track Section as per SIP, complete with all accessories, cable required with each track device & card viz. Axle detectors, Track Side Electronics/DAC field units, Central Evaluator 1 (Central Evaluator unit should be housed in a pre-fabricated rack to be supplied along with the system), reset unit, Relay unit, Event Logger & Diagnostic terminals, etc. Required for different Detection Points & Track Sections as per RDSO Specifications No. RDSO/SPN/176/2013, Ver.3 or latest and OEM/ manufacturer's specification and as per Annexures. (Quantity 01 No. = 01 DP) Inspection Authority: RDSO. Note:- As per WR's Policy No 03/2024 Para No. 3.4.2 .e .iv "VDU/Reset box can be used for resetting. At Stations having more than 10 Track sections, the Railway propose to use a separate VDU-based resetting system. Such a VDU-based system if using a PC, it must be industrial grade". Above/

Earthing of EI equipment, relay racks and Power equipment etc. to be done along with the supply of all requisite materials. Earthing shall be in the form of Ring Earth conforming to RDSO specification No. RDSO/SPN/197/2008 (with a min. of 6 maintenance free earth electrodes) & RDSO Drawing issued under Railway Board letter No. 2010/Sig./SGF/EI (Ansaldo) Dated 22.06.11, made using copper rings with earth resistance less than 1 ohm. The earthing shall be maintenance 1 free & earth enhancement compound should be used. The ring earth shall be connected to copper flat of size 25x3 mm in the relay room and IPS room. This copper flat shall be fixed on the wall to the entire breadth of the Relay room and IPS room as an earth bus bar and all earth connections shall be taken from it. A, B, C, & D class protection shall be provided for all EI equipment. Note: - This will also cover the earthing& necessary protection of EI equipment as per details given in the scope of work of Special Condition of Contract and other requirement given in Chapter of tender document & Pre-commissioning check list of EI system.

Design and supply of cable courage plan, location particulars, Cable termination rack particulars, cable meggering report, earth resistance particulars, Traction bonding diagram, 1/2 wire count sheet and any other drawing in AutoCAD in A3/A4 size. The contractor shall initially supply 3 2 sets of circuits complete for approval of Railways. Railways will return one set to the contractor duly approved with alterations/corrections, if any. The contractor shall incorporate Railway's alterations/corrections in the tracings without any deviation and submit all tracings complete in all respects to the Railways along with PENDRIVE & 4 sets of final approved drawings. This includes designing of cable coreage plan based upon I.P in consultation with engineer-in-charge For small/medium yards. Station

Design of existing Circuit Diagrams consisting wiring/Logic diagram, contact analysis, fuse detail, Input/output bit chart, VDU diagram, Interface etc. (Alteration) submission of Three paper copies for approval.

Supply of Tools Kit for Digital Axle Counter (Multi section/Single section). (MSDAC comply to the RDSO spec. No. RDSO/SPN/176/2013/Ver.3 or latest and manufacturer's specification and SSDAC comply to the RDSO/SPN/177/2012,Ver.3 or latest respectively). The tool kit shall be 4 minimum equipped with the following equipments: (i) All mechanical tools shall be of reputed make like Taparia/Bosch etc. (ii) Digital multimeter true RMS type of make Fluke 189 or similar reputed make with probe set - 1 No. (iii) Adjustable torque wrenches 25-135 N/mtr with 13 mm and 19 mm inserts- 1 set (iv) Set of spanners screw drivers and soldering iron - 1 set (v) Dummy wheel - 1 No. (vi) Marking Jig - 1 No. (vii) Adapter card - 1 No. (viii) Extended wired socket to interface with diag No. stic plug - 1 No. (viii) Selector switch on panel base - 1 No. (ix) DAC EC card puller etc.

Miniature, Plug-in Type, DC Neutral Line AC Immunized Relay, Style QNA1, 24 V DC, 8F-8B/12F-4BContact, Code ABDGH/ABDFH Spec: BRS: 931A; IRS S 34; IRS S 23; IRS S 60-78.

Miniature, Plug-in Type, DC Neutral Line Magnetically Latched Relay, Style QL1, 24 V DC, 11F-4B Contact, Code ABDEG Spec: BRS:935A ; IRSS 34 ; IRS S 23.

Plug in Type, Tractive Armature, AC Immunized, DC Biased Contactor Relay, Style QBCA1,2HF-4B Contact,24 V DC, Code BCEJK Spec:BRS:943 ; IRS S 34 ; IRS S 23 ;IRSS 60-78.

Miniature, Plug in Type, M to C,DC Neutral ,Track relay, ACI, Style QTA2, 9 Ohm, 2F- 1B contact, Code - FGHKX Spec : BRS :939-A & 966 (Appx-F2) & IRS : S-23, S-23,S-34 & 60.

Relay racks assembly complete with scaffolding bus bars, fuse strips, fuses, resistors, 9 capacitors, insulators, grouting bolts, tripods etc. as per Drg. No. CSTE /6028 .[Scaffolding should include 20% extra (with minimum of 2 relay rack positions) as spare for future expansion]. Relay rack shall be Powder Coated. (Quantity of Resistance, capacitor & Other items as Annexure.)

Cable termination racks as per Drg. no. CSTE 5004, 5005, 5006 complete along with 10 fitting arrangements and also with arrangement for fixing four 8-way terminal strips/ Screw less terminals on each row having 16 such rows. Supply of 8 way terminal strips/ Screw less terminals not covered under this item. Cable termination rack shall be Powder Coated.

Indicative type Fuse suitable to G type fuse base/holder of capacity 0.63 A - 3.0 A. (System, Rapid, Malnad or RBCO make or similar).

Indicative type Fuse base/ holder with cap, suitable to G type fuse of capacity 0.63A - 3.0A. (System, Rapid, Malnad or RBCO make or similar).

Indicative type Fuse Without holder 6A (System, Rapid or Malnad or RBCO make or similar) as per IRS: S-80/92.

Cartridge fuse block made of PBT as per RDSO Drg No SA-23748 Alt 4 & Spec No IRS 14 S 75/2006 with the latest amendment. The fuse block shall be suitable for round-head type voltage fuses. This also includes the supply of equivalent no of ND type Fuses of 2A capacity as per specification IRS S-78/92.

PPTC fuse 12V GP 16-400 (2A) for TF/TR circuit, make Raychem, Epcos, Siemens

Disconnect Terminal Block, Screw less type, as per RDSO Spec. No. 16 RDSO/SPN/189/2004. With the latest amendments Disconnect Terminal Block, Screw less type, 4- wire front entry (Two in-put & Two out-put) The color will be decided by Engineer - in - Charge. (Preferably In Blue, Red & Grey Colors in the ratio of 1:2:3). as per RDSO Spec. No. RDSO/SPN/189/2004. With latest amendments. Note: Make to be approved by Railway before supply.

Disconnect Terminal Block, Screw less type, as per RDSO Spec. No. RDSO/SPN/189/2004. With the latest amendments Supply of End plate 2.5mm/0.091 in thick as per site requirement.

Disconnect Terminal Block, Screw less type, as per RDSO Spec. No. RDSO/SPN/189/2004. With the latest amendments Supply of End Stopper 10mm/0.0394 in width as per site requirement.

Disconnect Terminal Block, Screw less type, as per RDSO Spec. No. RDSO/SPN/189/2004. With the latest amendments Supply of Carrier Rails for above 35mm x 7.5mm, 1mm/0.039 in thickness un-slotted type as per site requirement.

Earth Electrode as per Drg. No. CSTE / 6091.

Maintenance Free Earth Electrode of length 3m, including supply of 3 bags of Earth enhancement material for earthling (10KGs /bag) for each electrode & other accessories as per Drg. No. SDO / RDSO/ E&B/001 and RDSO Spec No. RDSO / SPN/197/2008.

Supply of Fiber/ SMC/FRP/RCC Earth Chamber.

ARA Terminal blocks with links made of PBT Spec No.s/75/2006 (Rev - 2) with latest amendments and RDSO Drg.No.SA-23741A Alt.4.

Apparatus Case half NE Rly Type as per Drg. No. W. Rly/SW/47/68 Alt-A fitted two 24 no.s E Type lock of (ward No will be specified by Engineer-in Charge) as per RDSO Drg. No. SA 3376/3473 and Key to Drg. No. 3377. Note: This item includes the supply & fixing of 2 No.s E Type Lock fitted on both doors, along with two Keys.

Supply of Modular Location Box as per WR CSTE Drg No. 6286 Modular Type Cold Rolled MS Full Location Box. It includes Angle frame Relay frame fixture , earthing Rod Drawing Board , Lock etc. as per WR CSTE Drg No. 6286.

IS 13410: Glass Reinforced Polyester Sheet Moulding Compounds (SMC) Size of Sheet : 1000x1000x8

Single core multi-strand wire 0.5 sq.mm. (16 conductor each dia. 0.2mm), as per IRS 76/89 (Amd3) or latest.

Flexible cable (Power wire), multi-strand copper conductors cross section 1x6 Sq.mm. ( 85 conductor each diameter 0.30 +/- 0.01) as per IS 694/1990 with insulation thickness of 0.80 mm nominal conductor resistance 3.30 ohms/km and test parameters are as per IRS(S)76/89 or latest.

Flexible cable (Power wire), multi-strand copper conductors cross section 29 (1x16Sq.mm).101 Conductors each diameter 0.45 +/- 0.01 as per IS 694/2010 with insulation thickness of 1.2mm nominal conductor resistance 1.127 Ohms/Km and test parameters as per IRS(S) 76/89 or latest.

Flexible cable (Power wire), multi-strand copper conductor's cross section 25 Sq. mm (0.4x196) as per specn. IS 694/2010 with latest amendment, and test parameters as per IRS(S) 76/89.

Supply Polyolefin cable channel of size width 240/340 mm, height 155/230 31 internal/external, length 1meter produced of polyolefin with fire protection class K-1 in accordance with DIN 53438 Part-II for laying signaling/telecom cables, channel attachable to each other with male female swallow tail connectors and having a suitable detachable cover, as per RDSO STS/E/cable laying Precise Vol-IV and as per technical specifications.

Supply and fixing of polyolefin cable channel (Injection Moulded Plastic cable Duct) of size width 100/200 mm, height 155/230 internal/external, length 1 meter produced of polyolefin 32 with fire, protection class K-1 in accordance with DIN 53438 part all for laying signaling/telecom cables, channel attachable to each other with male female swallowtail connectors and having suitable detachable cover including supply of all fixing materials like Brackets, etc. , as per RDSO STS/E/cable laying Precise Vol-IV and as per technical specifications.

Double Walled Corrugated (DWC) HDPE Pipe 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 die,& 103.5 mm inner dia. . 33 One of the following coupling arrangements should also be supplied with each pipe as per the site requirement. 1) Suitable snap fit coupler with rubber 'O-Ring 2) Spacers 3) Tees 4) Bend, 5) End-cap (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, vender name and year of manufacture can be easily identified. Color -Bright Orange; Min Weight = 4kg. Test Check by Consignee & Sample check by JAG officer. Running

Medium Class G.I. Pipes to IS: 1239 (Pt.)-2004 or latest; 100mm dia. (int. Dia) 3.65 mm thick or above with coupling. G.I. pipes shall have ISI mark on it and contractor should submit manufacturer's test certificate of G.I. pipes.