Rajkot Division - Signalling work in connection with electric Loco trip shed at OKHA station.

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. 1 (The manufacturers, suppliers must produce valid IS license and should be certified under ISO 9000 and shall submit copy of certificate). 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.

Medium Class G.I. Pipes to IS : 1239 (Pt.I)-2004 or latest ; 100mm dia. ( int. dia) 3.65 mm+/- 10% thick with coupling. G.I. pipes shall have ISI mark on it and contractor should submit manufacturer's test certificate of G.I. pipes.

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

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

Supply of End plate for above item (5) 2.5mm/0.091 in thick as per site requirement.

Supply of End Stopper for above item (5) 10mm/0.0394 in width as per site requirement.

Supply of Carrier Rails for above item (5), 35mm x 7.5mm, 1mm/0.039 in thickness un-slotted type as per site requirement.

Cable termination racks as per Drg. no. CSTE 5004, 5005, 5006 complete along with 8 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.

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.)"

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.

Cartridge fuse block made of PBT as per RDSO Drg No SA-23748 Alt 4 & Spec No IRS 11 S 75/2006 with latest amendment. Fuse block shall be suitable for round head type voltage fuses. This also includes supply of equivalent no of ND type Fuses of 2A capacity as per specification IRS S- 78/92.

Round head type non detoriating type low voltage cartridge fuse as per Spec No IRS/S/78/92 with latest amendments 6A/10A capacity.

ND Fuse Cylindrical Type 16 Amp IRS:S. 78/92

ND Fuse Cylindrical Type 20 Amp IRS:S.78/92

Single core multi-strand wire 0.5 sq.mm. (16 conductor each dia. 0.2mm), as per IRS 76/89 (Amd3).1-R,01B

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.

Flexible cable (Power wire), multi-strand copper conductors cross section 17 (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.

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

Universal AC ECR of Q series, type "QECX61" suitable for AC LED all signal aspect, 19 Front & back contact Metal to Carbon type complete with plug board retaining clip & connectors conforming to Spec STS/E/Relays/AC Lit LED Signal/09/2002, BRS: 941A, IRS:S34 and IRS:S23 (as applicable)

"Relay, AC Immune, Plug-in-type, style ""QNA1K"" ACI DC Netural line, 24V DC 1000 20 Ohms 6F.6B contacts, front contacts metal to carbon and back contacts metal to cabon. complete with plugboard, retaining clip and connectors confirming to IRS:S34, IRS:S23, BRS931A. As per RDSO Specification No. STS/E/Relays/UEA(PI) Dt.30/05/97. Annexure II. The interlocking pin code CDEKY"

Relay QNA1, AC immunized, 08F/08B, 12F-4B/8F-8B, 24VDC along with plug board, retaining clip and connectors conforming to BRS: 931A, IRS: S60, IRS: S34 & IRS: S24.

Relay QN1 - Miniature, Plug-in Type, M to C, DC Neutral Line, Non AC Immunised Relay, Style QN1, 24 V DC, 8F-8B

Relay Point Contactor Relay AC immunize , Plug -in type, Style 'QBCA1', DC Biased 23 contactor, 24V DC with 2HF-4B, contacts Heavy duty Metal to carbon front contacts and back contacts Metal to carbon complete with plug board, retaining clip & connectors confirming to BRS:943, IRS:S-34 & IRS:S-23. The Interlocking code for this unit shall be BCEJK

RELAY PLUG -IN TYPE, STYLE QL1 MAGNETICALLY LATCHED NEUTRAL LINE , 24 V DC, 24 11F-4B CONTACTS, FRONT & BACK CONTACTS METAL TO CARBON. COMPLETE WITH PLUG BOARD, RETAINING CLIP & CONNECTORS CONFIRMING TO BRS:935A, IRS:S-34 & IRS:S-23. THE INTERLOCKING CODE FOR THIS UNIT SHALL BE ABDEG

Key Lock Relay working on 24V DC, AC Immunized with different ward combinations (Three ward plates to be supplied with each relay).

Mini AC/DC Low Current Clamp Meter as per Specn. High Sensitivity, Miniature type Clamp, Resolution of 0.1 mA for AC,1 mA for DC Current, Measurement range 0-20 A Make-KEW, Fluke or similar.

Digital Multimeter of Fluke 287 lndustrial, True RMS with temperature, Analog bar graph, Digital display, Backlight, 1000V AC/DC, measure up to 10A, 20A for up to 30 second or Superior.

Megger 100V to 500V X 20 mega ohms as per specification make: Fluke model No 1507, Motawani or similar

Supply of digital Earth tester 4 Terminal for measurement of Earth resistance as per technical specifications .

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)

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, Cover etc as per Drg. No. SA- 23840 suitable for LED Signal Lighting Unit.

Supply of ladder (Height 10 feet, heavy duty use, light weight with sound quality insulation suitable for RE area working, Inspection authority : Consignee)

Relay, AC Immune, plug-in-type, Style 'QTA2', DC Neutral track, 9 ohm DC 2F. 1B 33 contacts, front and back contacts metal to carbon, complete with plug board, retaining clip & connectors confirming to BRS:939A, BRS:966 (Appendix F2), IRS:S 34 & IRS:S 23 & 60 (as applicable).

Relay QSPA1, 24VDC, Slow to pick up, 8F.4B along with plug board, retaining clip and connectors. Conforming to BRS: 933A, IRS:S60, IRS:S34 & IRS:S23.

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

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

Choke Coil for Single Rail Track Circuit on 25 KV 50 Hz AC Electrified Section as per Spec No IRS S 65/1983 with latest amendments.

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

B-Execution Items

Installation of Cable Termination Racks /Relay Rack Assembly complete including wall 1 supports, 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.

supply and fixing of KLCR boxes 450x250X150 mm in field / in localion boxes / in SM 2 office / at LC gate as per site condition. lt should be made of Hylum/wooden (teak wood) of high quality as per requirement. ltem includes supply of any minor bracket, nuts, bolts and hole drilling, MS angle, MS plate etc. lts also includes fixing of KLCR relays in the boxes.

Installation of earth electrode as per std. practice and connecting it to equipments to be earthed. This item includes digging of pit in earth 3 m deep & fixing earth electrode pipe, casting 3 of cement concrete enclosure & cover as per Drg No. S&T/Tender/27.Soil treatment to be done as per std. practice. This item includes provision of MS flat/earth lead wires as per instruction and soldering of lead wires. The other end of the wire is to be connected to block equipment, power equipment, cable sheath, signals etc. as per site requirements. 7strand GI wire shall be used as earth lead wire. (Supply of earth electrode is covered in Sch. 'A'). Running

"Laying of S&T Cables of various cores/ pairs/ quads in trenches/ GI pipes/ RCC pipes/ DWC pipes/ Trunking. This also includes laying of cables in track crossings & road crossings. Item 4 includes provision of labels of coloured plastic adhesive tapes or any other identifiable material on each cable to give the cable number at each G.P.(Cables will be maggered before and after its laying by contractor under supervision of Railway Representative and he will submit the maggering report of each testing). Length of the cable laid includes the length of the cable coiled for termination purposes."

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. Per

Termination of cable cores on ARA terminal/fuse blocks, 8 way terminals block/ Screw less connectors in the apparatus Cases/ cable termination rack. This includes all associated works of pulling out the cable from underground. The work shall be done as per location plans and instructions of Railway Engineer at site. This item includes dressing of Cable, making wiring tree etc.

Excavation of cable trench as per cable route plan,1Mtr. 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 7 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 Mtrs. Deep and 0.3 Mtrs. Wide on Asphalted Platform / Road / Hard rocky area. Refilling with earth leveling of trenches & restoring the original surface of trenches.

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 incharge. Running

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 10 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. Note:- Pipe will be supplied by railway. Contactor shall provide all material required for boring and adequate nos. of labours for proper laying of cables into the bore. Cable shall be laid cautiously so that it should not get damage due to rough handling & pressure on cable.

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 12 railway boundary entirely arranged by the contractor at his own cost as per RDSO's latest guidelines 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 vegetations 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

Supply and placing of Half Round RCC pipes & collars of 150 mm internal dia, 2 meter long (or two pieces of 1 meter long) along with collars as per IS No. 458/2003 of NP type

Supply and installation of RCC Cable route marker as per Drg.No.4014/00/CC4 or latest/stone marker

Excavation and Casting of Apparatus Case foundation with contractor's own materials 15 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 .

Fabrication and fixing of phenolic laminated sheet of size 10mm thick in location box 16 by providing all fixtures as per 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. Single Case

Lettering / Numbering Termination particulars, equipments names etc., legibly and neatly inside location boxes. This includes supply of paints of Asian Paints/ Nerolac / Dulux / Berger make. - App case Full size

Fixing of GI pipes for crossing the culverts, bridges etc. and concreting of ends with brick masonry at both ends as per the instruction of Rly engineer at site.

"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 19 including castle nuts, spring washers (ii) All smithy & fitting works required 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 "

Excavation and Casting of foundation for Shunt Signal as per Drg. No. CSTE/6090 with 20 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. 5310000.0

Modification/ Alterations/augmentation of existing electronic interlocking El) system as per RDSO specn No. RDSO/SPN/192/2005 or latest as per approved Signaling Plans and Selection Table/ Locking Table of stations ( for additional loop lines, Gate removal) technical specifications & special conditions of contract. This includes supplies necessary for alteration /modification in VDU's software. This also includes supplies necessary for earthing the modification/altered/augmented El those needed for rewiring external data logger and fuse alarm system. This also includes 12 months warranty period of all supplied equipment. Item includes preparation of Selection Table/ Locking Table, Control Panel and Route Section Plan, Wiring Diagram and other diagrams (other Technical documents if any) based on Signalling Plan supplied by Railways. Completion Documents as per special condition of Contract. Per Track

Fixing and wiring of DC track circuit equipments i.e. track feed charger, resistance, track relay, battery, etc., in the Apparatus Case and battery box as per standard practice. 23 Termination of tail cable on M 6 / Screw less terminals WAGO or FINOLEX or similar approved make teminals/ fuse blocks / HRC fuse. Item includes testing /commissioning of track circuit. Complete wiring material 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). (Unit of this item is "Per TC")

Fixing & wiring of QNA1 / QNA1K relays for GPR Circuit in apparatus case as per Standard practice. Fixing and wiring material shall be supplied by the contactor.

Preparation of cable route plan, cable core 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 sets of circuits complete for approval of Railways. Railways will return one set to 25 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 CD & 4 sets of final approved drawings. This includes submission 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. This also includes designing of cable core plan based upon I.P in consultation with engineer- in-charge For small/medium yards