Replacement of 6 quad cable of various sections of Mumbai Division.

Supply of Thermo-Shrink cable joining kit (Reinforced) TSF-2 type generally 01 confirming to RDSO specification RDSO/SPN/TC/57/2015 Rev 1 with modified kit contents as per CSTE's Specification No.:CR/SPN/TC/57 (A)/2015 Dt: 06.01.2015 (Table-A) to be suitable for jointing both 10/20/50 pair PIJF and 4/6 Quad cables alongwith sub-kit (Table-B) for armour continuity. Inspection by consignee.

SUPPLY OF "C" CHANNEL CLAMPS with nut bolts, washers and all type fixures for 6 inch dia pipe to be fixed on GIRDERS, on rock cuttings etc. as per DRG No.-SK-900. Inspection by consignee.

Preparation of cable route plan, cable coreage 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 03 the contractor duly approved with alterations/corrections if any. The contractor shall incorporate Railways alterations/corrections in the tracings without any deviation and submit all tracings complete in all respects to the Railways . 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 include designing of cable coreage plan based upon I.P in consultation with engineer-in-charge - for small/medium yards. Inspection by consignee.

Supply of RCC pipes half round of size 150mm dia outer and 100 mm dia internal 1 mtr long matching to IS No. 458/2003 amendment-1 with Rev.4. Inspection by consignee.

Supply of cable route marker as per RST/C/203A of FRP. Inspection by consignee. Above/

Excavation of cable trench as per cable route plan,1.0 mt. deep and 300mm wide along side the track in normal soil/strata, conforming to distances as per cable route plan and refilling after cable laying. This work includes covering of cable laid in trench by loose soil for a layer 01 of 50mm thickness after clearing of route,bushes etc. It shall be ensured that top of the cables laid is at a depth of 0.8m or more. It if is less, then the width and depth shall be suitably increased and accordingly proportionate payment shall be made. In case depth of trench is not achievable due to site conditions proportionate payment will be made as per procedure. The work shall be done as per the extant practice on Central Railway, instructions of Railway Engineer at site and as per guidelines in chapter IV of tender document. Inspection by consignee.

Preparation of cement mixture in proportion of 1:3:6 of cement, stone and sand 02 respectively with contractor's own materials and spreading cement concrete mixture layer of 100 mm thick over the already laid cables in the excavated trench. The work shall be done as per the extant practice on Central Railway and instructions of Railway Engineer at site. Inspection by consignee.

Concreting of chase in ratio 1:3:6 cement. sand. stone of size 20 mm approximate 03 after laying wire mesh of minimum 10 SWG of cross section 100 mm over the cable/Duct and then concreting at the height of approximately 80mm above the cable /Duct. Work is to be done as per instructions of site supervisor. Inspection by consignee.

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. Inspection by consignee.

Digging of trench 1.0 M deep from rail flange/road level (for LC) and 0.3Mtrs. to 0.6 Mtrs wide and back filling after placing of DWC/RCC/GI pipe.(Placing of DWC/RCC/GI pipe covered 05 separately. The ballast disturbed be screened and dressed as required by Engineer-in-charge or his representatives and road tarred immediately. The work shall be done as per the extant practice on Central Railway, instructions of Railway Engineer at site and as per guidelines in chapter IV of tender document. Inspection by consignee.

Laying of DWC/RCC pipes alongwith collars/RCC Half round pipes in trenches at 06 places of track and road crossings, platform cuttings etc. The work shall be done as per the extant practice on Central Railway, instructions of Railway Engineer at site and as per guidelines in chapter IV of tender document. Inspection by consignee.

Laying of signalling/Power/Telecom cable of various cores/sizes in trenches. The work shall be done as per the extant practice on Central Railway, instructions of Railway Engineer at site and as per guidelines in chapter IV of tender document. Inspection by consignee.

Jointing of 4 / 6 quad cable with Heat Shrinkable straight through Jointing Kit for 4 / 6 quad cable. Inspection by consignee.

Cutting of all types of Roads/ platforms (ecxcept concrete type) for trenching and 09 excavation to depth of 300mmx300mm wide approx. and refilling after laying of RCC/GI /DWC pipe & to restore them to original condition. The work shall be done as per the extant practice on Central Railway, instructions of Railway Engineer at site and as per guidelines in chapter IV of tender document. Inspection by consignee.

FIXING OF "C" Channel Clamps on Girders along with proper coupling of GI/DWC 10 pipes. The work will be executed as per instruction of site incharge and site incharge may take decision as per site condition. All the fixures, nut bolts, tolls required to fix the channel will be provided by Contractor. Proper safety equipment like Helmet, Retroreflective jacket and whistle, flag is to be made available during execution of work. Inspection by consignee.