Bhavnagar Division: Supply installation, Testing, Commissioning of Signalling gears and alteration in Medha make Electronics Interlocking system at Kothgangad, Alau, Hadalabhal in connection of Sabarmati - Botad Section - Providing of track machine sidings.

INPUT WFM CPU Card of MEDHA make Electronics Interlocking system.

Rubber Mat for Power Equipment room. (5mm thick).

Supply of Surge protection device (SPD) 4- Pole, 5V versions similar to model no MDP- 4 D-5-T of OBO make. Make OBO, Phoenix, ABB or DEHN.

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 (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.

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

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 in charge.

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 in charge.

Fuse auto changeover system for use in Railway Signalling System as per RDSO/SPN/209/2012 10 rev.1 with latest amendments. One Automatic changeover Unit comprises 32 nos. of external Non-Deteriorating Type or 'G' type fuses from 0.6 Amp to 4 Amp capacities which are in signalling circuits. The system shall have 8 cards with a monitoring arrangement of 4 fuses in one card. (unit read as per module)

Fuse auto changeover system for use in Railway Signalling System as per RDSO/SPN/209/2012 rev.1 with latest amendments. One Automatic changeover Unit comprises 24 nos. of external Non-Deteriorating Type or 'G' type fuses from 4 Amp to 10 Amp capacities which are in signalling circuits. The system shall have 6 cards with a monitoring arrangement of 4 fuses in one card. (unit read as per module.)

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.

Round head type non deteriorating type low voltage cartridge fuse as per Spec No IRS/S/78/92 with latest amendments 2A/4A/6A capacity.

Earth Leakage Detector as per RDSO/SPN/256/2002 or latest with latest amendments. The basic 16 detector unit shall comprise of 8 channels, for use on signalling circuits of 110V AC/DC and/or 60V/24V/12V DC as ordered by purchaser. If the detector is required for less number of channels, dummy plates shall be provided. For additional requirement add on /expendable cabinet may be used. The voltage specified shall be provided with + 25% and - 10% tolerance. Installation as per instruction of Engg in charge.

Miniature, Plug in Type, M to C, DC Neutral, Track relay, ACI, Style QTA2, 9 Ohm, 2F-1B contact,

Miniature, Plug in Type, DC Neutral, Line Relay QSPA1, 24V DC, Slow to Pick up AC Immunized, 12F-4B/8F-4B Contact, Code ABDEJ Spec: BRS:933A; IRS S 34; IRS S 23; IRS S 60-78.

Track feed battery chargers, 110V AC input, 2 to 6/10 V DC Output; as per Specn. No. IRS.S 89/ 2013 with latest amendments. Charger shall be suitable for charging 80 AH battery.

Adjustable Track Feed Resistance disc type 30 ohms as per RDSO Drg. No. SA 20166/M (Adv.) with latest amendments (with Phenolic molded base).

Track Lead Junction Boxes as per C. Rly Drg. No. RST 11509 made from fibre glass/SMC/FRP along with terminal blocks.

GI wire 8 SWG (4mm Dia) suitable for track circuit rail bonding.

Channel Pins MS (Galvanized) single groove, 7 mm suitable for 4mm Dia bonding wire as per spec No IRS S 17 & RDSO Drg No. S-69/M.

Point insulation Complete set as per RDSO Specification IRS: S-40/84 for Switch bracket, Split- Stretcher bar & Gauge tie plates (52 Kg/60Kg as per site requirement).

Gauge Tie plate nylon insulation as per RDSO Drg No: T-10372Alt2, T-10368, T-10371 Alt2, T- 15083/88/Alt2 & T-11690/Alt2 and to the spec. IRS: S-40/84 with latest amendments as applicable.

Key Lock Relay working on 24V DC, AC immunize with different ward combinations (Three ward plates to be supplied with each relay). Key ward shall be specified by engineer in charge as per requirement. As per RDSO/SPN/219/2016 ver 1.0 with latest Amd.

Colour Light Signal Complete. This includes: - (1). Post Tubular 140 mm Dia, as per IRS: S-6/81 or Latest & RDSO Drg. No. SA- 24625 (Advance). (2). CI Base (As per IRS S-10 & RDSO Drg. No. 2011/M with latest 27 assembly). (3). Pinnacle. (4). Ladder Assembly, as per RDSO Drg. No. SA-23156, with Base, Ladder Guards, Platform, Front Maintenance Platform, MS Supporting bracket to Support Ladder. (5). Signal Front Staging Complete Assembly for CLS Unit. (6). Signal back staging as per extent WR Practice. Note: Height of the Post shall be 5.5 Long.

Non Metallic (FRP) color light signal housing multi-unit type for railway signalling suitable for RE 28 area TWO Aspects. Complete without lenses, lamps and signal transformer as per RDSO DRG. No. SA 23001/A/M Adv. Alt- S and as per SPEC. No. RDSO/SPN/194/2006 (Vol. 1.0) or latest and FRP material as per RDSO SPEC. No. RDSO/SPN/151/1997 or latest.

Apparatus Case Single NE Rly Type as per Drg. No. W. Rly/SW/47/68 Alt-A, fitted with two nos of E 29 Type lock (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 Nos E Type Lock fitted on both doors, along with two Keys.

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

Disconnect Terminal Block, Screw less type, 4-wire front entry (Two in-put & Two out-put) The 31 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.

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

Half Round RCC pipes & collars of 300 mm outer dia & 250 mm internal dia (1 meter long) along with collars as per IS No. 458/2003 of NP type.

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. One of the following coupling 34 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.

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.

Position Light Shunt Signal Unit Complete with Post (made of GI Pipe of 80 mm Diameter Medium Class IS Spec. No. IS: 1239 Pt. 1/1990) Base, Hood, and Cover, etc. as per Drg. No. SA-23840, Signal Number Plate, suitable for LED Signal Lighting Unit

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 with latest Amd.

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

Supply of copper strip for earthing (25mm x 3mm)

Supply of GI flat for earth (50 X 6 mm). Unit

Modification of EI System of Medha at 7 Stations of WR (Kothgangad, Alau, Hadalabhal,) as per RDSO spec no: RDSO/SPN/192/2019, in connection with the provision of TrackMachine SidingSupply of EI 1 additional Hardware as per the tentative SIP provided with 15% I/O bis as spares.Modification to the existing Application Logic circuits and Interface circuits. Alteration to the MT and VDU software. Up-gradation of Data- logger database at MEDHA end. FAT (Factory Acceptance Test), SAT and commissioning as per the Modified Application Logic. ASMADES. (One unit read as per LS).

Supply, Installation and Commissioning of EI VDU (Visual Display Unit, 4K with all suitable accessories Compatible to El Interlocking in Safe Mode 24x7 at controlling station. The item must comply 2 minimum following specification:- a) Screen Size (Diagonal):- As below b) Resolution :- 4K c) Viewing angle degree: - 178x178 degree d) Brightness :- 500 Nits e) contrast ratio 4000:1 f) Backlit :- Direct LED g) Jack Interface: - HDMI -3 no. 1.2 DP, DVI USB 2.0 -2 no. CI Slot RF In AV In Component In (RCA5 Type) Digital Audio Out RGB In (D-sub 15pin)-PC-PC Audio Input RS232C (D-Sub 9pin) RJ45 Stereo mini jack. h) Optical Out :- Available Approximate Screen size 55 inch. Prior approval to be taken from Engg in charge.

Design of Cable Route Plan submission of Three paper copies for approval.

Supply of final Cable Route Plan as per laid cable duly measured at every 30m clearly indicating distance of laid cable from fixed point of reference & indicating all track crossings and tail cables in original tracing along with Auto CAD in Pen Drive and Six set copies after approval. (One unit read as per station)

Design of Existing ST/LT/TOC/RCC (Alteration) & submission of Three paper copies for approval. Up to Four-Line Station. (one unit reas as Per station)

Supply of completions ST/LT/TOC in original tracing along with Auto CAD copies in Pen Drive and six set copies after approval. Up to four line station.

Supply of ferrules of different colour, printing termination details / Functions in different colours as 7 per Railway specification and installation in Relay room, Location Box and Power board etc, at various stations and LC gates as per instruction of Engg. in charge. All materials required for the work shall be supplied by the contractor.

Design and supply SWR Diagram on standard tracing paper of 95 grams for each station. Corrected version of SWR plans after checked & approved by Rly's 25 copies will be supply for each of the plans. For stations having up to 4 lines.

Fabrication and supply of premium quality foam 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 9 particulars, CTR contact details in relay room, relay hut, goomties etc. This item also includes all material and resources required for fixing and transportation at stations & LC gates of Bhavnagar Division. 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. Sample of CTR to be provided before printing of all CTR of Division.

Preparation and fixing of location box board on 03 mm ACP sheet with size 12 x 18 size A3 for location box including pasting of printed/ painted vinyl sheet and lamination (printing/painting of location detail on vinyl sheet covered in schedule item separately).

Function Description of location box at station and LC gates designed in Auto Cad full and half apparatus case. As per WR policy. Details provided by Railway.

Shifting of Data Logger Power supply equipment and AC - DC converters of Analog inputs from the Data Logger rack in Relay Room to outside of the relay room, which including supply of necessary housing rack 12 for placement of power supply equipment and AC - DC converters, AC - DC converters and necessary cables for this work. 2 Nos of efftronics make AC-AC converters installed (for Data logger monitoring), 1 No at SM room near Change over box having closed enclosure made of FRP material & properly earthed. Another converter installed in IPS Room with IPS power supply & used to convert all signal & Track 110 V supply for Data logger monitoring.(One unit reas as Per Station).

Design, supply, testing and commissioning of Remote Diagnostic and Predictive Maintenance 13 System (RDPMs) as per Draft RDSO document No. RDSO/RDPM/FRS/2022 or latest for Signalling assets as per SIP. (The Detailed break up of various modules/components are as per site requirement. The detailed of Design/schematic drawing, make and model of various product being proposed to be provided for RDPMS system). Prior approval to be taken from Railway before supply. Running

Laying of S&T Cables of various cores/ pairs/ quads in trenches/ GI pipes/ RCC pipes/ DWC pipes/ 14 Trucking. This also includes laying of cables in track crossings & road crossings. Item 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.

Installation wiring testing and commissioning of Fuse changeover system (FACS). This includes 15 the provision of a common Buzzer & indication at the ASM Room & ESM Duty Room and the painting of fuse details. This also includes the fabrication of a frame for the installation of FACS at the Station/ LC gate where the installation of relay racks is not feasible. ( Unit read as per moudle.)

Charging of Lead Acid Batteries (2V 80AH) with contractors' own battery grade sulphuric acid and 16 distilled water with a minimum of two charge-discharge cycles, installation of charged batteries in groups & their connection & wiring. The work shall be done as per the extant practice of W. Rly & instruction of the Engineer-in- charge. Detailed measurements of initial charging shall be recorded jointly by the contractor & Rly's site-in- charge.

Provision of bonding with GI wire 4mm Dia (8 SWG) for track jumper & fish plate joints bonds. This will include drilling of 7.0/7.1/7.2 mm Dia holes in rails (4 Nos.) and provision of two jumpers for each bond, clipping of bonds etc. with contractors own tools as per instruction of Rly. Engineer at site. Per Track

Fixing and wiring of DC track circuit equipments i.e. track feed charger, resistance, track relay, battery, PPTC fuses etc., in the Apparatus Case and battery box as per standard practice. Termination of tail 18 cable on M 6 / Screw less terminals WAGO or FINOLEX or similar approved make terminals/ fuse blocks / HRC fuse. Item includes testing /commissioning of track circuit. Complete wiring material (including PPTC fuses) which are not covered in Schedule will be supplied by contractor. (Supply of Track feed battery charger, track feed battery, resistances & 'B' type choke & Track relays will be supplied by Railways / covered in Schedule separately).

Installation of DC track circuits covering points zones also. The item includes provision of continuity bonds of seven strand PVC jacketed wire/ GI wire 8 SWG on rail joints after drilling bond-hole of 7.0/7.1/7.2mm Dia (double bond with sleeves and rail clips are to be provided at each rail joint), insertion of insulated block joint, fixing of Track lead Junction box on MS angle two numbers of size 40X40X5 mm 1200 mm length for track feed/ jumper / track relay ends of track CCTs (as per double TLJB arrangements) and also for 19 fixing jumper cables as per insulation diagram WR Drg No. CSTE/6055 and standard practice, making rail connections through suitable insulated sleeves from Track lead Junction box at TF, jumper & TR end with seven strand PVC jacketed wire /GI wire 8 SWG, rail clips for fixing bond wire on the TLJB as per standard practice, termination of tail cables on bootleg terminals etc. TF/TR wiring shall be fixed on the suitable arrangement on PRC sleepers with the help of hooks. Hooks shall be provided on PRC sleepers with the help of suitable steel bracket. This item also includes fixing & supply of channel pins etc. The item also includes supply of MS angles/ trestles, GI wire 8 SWG / seven strand PVC jacketed wire, hooks, rail clips etc.

Fixing of Electrical Point Machine on the extended sleepers at points as per std. practice and as per RDSO Drg No. SA 91 51-52 or 9710 or 9161 as per section of rails used. Item includes fixing switch extension bracket, providing insulation for switch extension bracket, fixing ground connection, adjusting opening of the switches and adjusting the point machine with crank handle. The item also includes. (i) Complete material for installation like ground-connections, switch extension brackets, point insulation material, I pipes, wiring materials, various fixing nuts & bolts including castle nuts, spring washers (ii) All smithy & fitting works required 20 at site for complete installation. (iii) Installation of gauge tie plate & providing insulation for gauge tie plate (Insulation in William Stretcher Bar will be Provide by Railways). (iv) Wiring inside the point machine, insertion and termination of tail cable in point machine and junction boxes / location box /cable hut as per extent practice on WR and the instruction of Railway Engineer at site. (v) Supply and fixing of suitable size GI pipes with flange for taking cable into point machine. Note ; The ground connections shall be suitable to the Point Machines as specified by Engineer-in-charge and shall be suitable to the point lay out i.e. 60 Kg. / 52 Kg / 90R as per yard layout. Electrical Point Machine and M-6 / Screw less terminals will be supplied by Railways / covered in Schedule separately.

Supply and fixing of CH/KLCR boxes appropriate size in field / in location boxes / in SM office / at 21 LC gate as per site condition. It should be made of Hylam /wooden (teak wood) of high quality as per requirement. Item includes supply of any minor bracket nuts, bolts and hole drilling MS angle, MS plate etc. It also includes fixing of KLCR relays in the boxes. Prior approval to be taken from Engg. In charge before supply of box.

Excavation and Casting of foundation for main signal post as per CSTE/3122 (WR) 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.

Erection of CLS Post with base and signal unit on top or on OFF set Bracket, fixing of front and back staging, ladder and guards with contractor's own brackets and fixing materials. This also includes erection 23 of auxiliary signals like calling on, shunt signal if any. The work shall be done as per instructions of Rly engineer at site. It also includes provision & fixing of maintenance platform as per design given by Engineer -In-Charge at site. It also includes supply of padlock for signal units and cable termination box. X' arms to be provided by the contractor till the signals are introduced. The Item includes cutting of Signal post if required by Site In charge. 2/3/4 aspect signal unit mounted directly on signal post.

Erection of CLS Post with base and signal unit on top or on OFF set Bracket, fixing of front and back staging, ladder and guards, signal name plates / boards if any with contractor's own brackets and fixing materials. This also includes erection of auxiliary signals like calling on, shunt signal if any. The work shall be 24 done as per instructions of Rly engineer at site. It also includes provision & fixing of maintenance platform as per design given by Engineer -In-Charge at site. It also includes supply of padlock for signal units and cable termination box. X' arms to be provided by the contractor till the signals are introduced. The Item includes cutting of Signal post if required by Site In charge. 2/3/4 aspect signal unit mounted on offset bracket with junction type route indicator 1/2/3 or multi lamp route indicators mounted on signal post.

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. Single Case as per Drg No SK 748 or 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.

Apparatus Case half NE Rly Type as per Drg. No. W. Rly/SW/47/68 Alt-A fitted two nos 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 Nos E Type Lock fitted on both doors, along with two Keys.

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 29 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 Railway 30 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.

Fabrication and fixing of SMC sheet in location box by providing all fixtures as per Railway 31 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.

Shifting of existing full location boxes coming in the alignment of new line. The work includes losing & removal of soil around location boxes by excavating soil around foundation, making of pit for shifting of 32 location box horizontally opposite to railway track up to 0.5 to 1.0 mtr. This includes loosing of existing cable coils without any damage. The excavated soil shall be back filled after shifting of Location Boxes. Location box shall be shifted by push method with the help of jacks or by crane by contractors own expenditure under instructions of engineer in-charge at site. The work may affect train working hence the work shall be done as per margin only or during traffic block only.

Shifting of existing half location boxes coming in the alignment of new line. The work includes losing & removal of soil around location boxes by excavating soil around foundation, making of pit for shifting of 33 location box horizontally opposite to railway This includes loosing of existing cable coils without any damage. The excavated soil shall be back filled after shifting of Location Boxes. Location box shall be shifted by push method with the help of jacks or by crane by contractors own expenditure under instructions of engineer in-charge at site. The work may affect train working hence the work shall be done as per margin only or during traffic block only.

Termination of outdoor cables, main cables laid in location boxes, Cable termination rack etc. at 34 both ends on ARA terminal or on 8 way terminals or on screw less connectors. Both ends 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.( Unit read as per terminal)

Excavation of cable trench as per cable route plan,1 Mtr. deep and of 0.3 Mtr. to 0.6 Mtrs 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 from bushes etc, covering of cable laid in 35 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 trench 1.2 M deep from rail flange/ road level and, 0.3 Mtr to 0.6 Mtr wide and back 36 filling after placing of DWC/ RCC/GI pipe. (Placing of DWC/RCC/GI pipe covered separately). The ballast disturbed be screened and dressed as required by Engineer-in-charge or his representatives and road tarred immediately. For track crossing, Drg. No. CSTE/3644 Pg.7 of 11 and for Road Crossing, Drg. No. CSTE/3644 Pg. 5 of 11 are to be followed.

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

Horizontal direction drilling/boring without damage of surface road using Auger Machine. The bore 38 shall be 150 mm dia & shall be done at the depth of minimum 1200 mm from the 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 Mtrs long. this include insertion of different dia DWC pipe/ GI pipes coupling etc. as per direction of Engineer In charge.

150 mm Dia Drilling Bore by HDD method in soft soil & Hard Rock at maximum depth of 3 Meter (Shot length maximum 120 Meter).

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 charge) for laying of S&T 40 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.

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.

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).

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. Running

Laying of half round RCC pipe after laying the cables in the trenches. (Cable laying is covered separately) 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.)

Excavation and Casting of foundation for Shunt Signal as per Drg. No. CSTE/6090 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.

Erection of Position Light Shunt signal with Base, Post, Signal unit and fixing of Number Plates. The work shall be done as per instructions of Rly engineer at site.

Transportation of S&T material leading up to 1 Km including Loading from Starting point, unloading & Stacking at destination.

Extra for each additional 1 Km or part thereof.

Dismantling / Releasing of existing Signalling Gears. One Signalling gear will be all parts of one signal (consisting of CLS unit, Signal post along with base) or lever frame (5 levers set), or one point (consisting 50 of all parts of a mechanical point, point machine, ground connections etc.) or one track circuits (consisting of battery box & other parts of DC Track circuit / AFTC /DAC) or one Block instruments or One Lifting Barrier or One Location Box etc. .This includes the cost of transportation of release materials to store depot or as decided by consignee in charge. This work to be done by contactors with his own vehicle and labour. (Per unit means Per Gear).

Dismantling of Concrete foundation/ Demolishing RCC/CC/Stone work /Cutting Tar/ carpentering/ CC Flooring / Precast concrete slab/ Brick work including leading the debris inside Railway limit or outside Railway limit as directed by site in charge. This work to be done by contactors with his own vehicle and labour.

Miscellaneous arrangements during Pre-NI/NI comprising of : 1.Temporary goomty tent of dimension at least 12' X 12' at two to four places, as per the need at site, in the station yard. Each goomties to 52 be furnished with two tables, Six chairs and emergency light. 2. Resting arrangement for at least 24 staff at night. 3. Vehicles for transportation arrangement for to and fro movement in the station as well as between the staff resting place during NI period. 4.Manning of station goomties to be done by contractor. 5. Catering facility includes Breakfast, Lunch, Dinner and refreshment for staff involved during NI. Note: Quantity of each item, installation, capacity etc. decided by the Railway Engineer.

Installation & Commissioning of maintenance free earth Consisting.

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 54 specification given. This item includes digging of pit in earth 3 M deep & fixing earth 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.

Erection of copper strip for earthing. (25 x 3mm).

Erection of MS flat for earth (50mmx6mm) laid in ground/exposed.

Painting of two coats of synthetic enamel paint over one coat of primer on the following after scraping & cleaning surface wherever necessary with contractor's own supply of paints. Wherever required 57 contractor shall apply coating of epoxy paint also as per instructions of site-in-charge. Epoxy paint will be supplied by Railways. NOTE: - The paint and primer should be from Asian Paints/ Nerolac / Dulux / Berger. The primer / enamel paints (Aluminum synthetic, black enamel, brilliant white and yellow) will be as per (IS 5660 of 1970) / (IS 2932 of 1974).

Painting of Point Machine with ground connections complete (Point Machine with Black enamel only outside and ground connections with Red Oxide)

Painting Apparatus Case Full Size. (Outside & inside)

Painting of Apparatus case Half Size. (Outside &inside)

Shunt signal post with signal unit, surface base as per Western Railway's Standard Practice.

Painting and writing work of earth pits as per standard practice of western railway.

Fabrication and fixing of 'A' Marker (Drg No. CSTE/6180), 'AG' Marker (Drg No. CSTE/6181), 'P' 63 Marker (Drg No. CSTE/6182), Arrow Marker (Drg No. CSTE/6183), 'G' Marker (Drg No. CSTE/6184), 'C' Marker (Drg. No. CSTE/6185). Marker disk on signals as per standard practice All material required for this work shall be supplied by Contractor.