Konkan Railway Corporation Limited Tender

TWR/removal of defective weld with Flash Butt welding of 52 kg (90/72 UTS)rails using rail cum road mobile flash butt welding plant as per following details A) ln case of welding by stationary flash butt welding plant, the rates quoted should include renewal of existing rail by rail 1 panels initially for a length of about 250 track metre, cutting of released rails at the joints so as toremove heat affected zone/fish plate holes, loading, unloading, transportation to flash butt welding plant, flash butt welding of rails, transportation of panel rails, to the site and replacement of existing running rail with panels so welded including, insertion of closer rails, with fittings,AT welding of joints of panels with approved portion with single shot crucible complete in all respects. ln case Railway wagon/UW machinery are required for transportation of released rails/welded panels, the hire charges for the same will be as per Railway rates, has to be borne by the Contractor, whenever necessary, handling/leading of rails/rail panels with in a lead of 100m, removing and reflxing of fittings/fastenings wherever required, including cost of necessary tests required for quality control as mentioned in special conditions of contract including all arrangement of labour , consumables etc. all complete as directed by Engineer-in-charge. Charges for establishing stationary Flash Butt welding plant at nominated place including gantry, hoist, portal crane etc. have to be borne by the Contractor and no extra payment shall be made on on this account. However, Railway land will as available will be temporarily handed over free of cost for the execution of the work. (B) ln case of welding by Mobile Flash butt welding plant. ln situ or cess, the rate shall include earthwork in formation with Contractor's own earth including dressing of slopes of embankment, leading cut spoils to a location/locations as directed by the Engineer-in-charge for stabling and working of the mobile flash butt welding plant, cutting of existing rails at the joints so as to remove heat affected zonel fish bolt holes under traffic block, flash butt welding of rails, including insertion of closer rails with fittings for movement of traffic after traffic block etc. complete in all respect. (C) ln both the cases as above, the rates quoted should also include pre-straightening of rails, notching ends,preparation for aligning, positioning, stripping of rail joints, grinding and finishing of joints, USFD testing of flash butt AT welded joints, handling/leading of rails/rail panels, removing and re-fixing of fittings/fastenings with Contractor's own labours, machinery, tools, plants etc. With all lead, lift,decent crossing tracks, royalty , taxes etc. complete in all respect as per directions of Engineer. The rate also includes greasing of ERCs with Contractor's own labour, material, machinery, tools, plants etc. with all lead, lift,decent,crossing tracks, royalty, taxes etc. complete in all respect as per direction of Engineer. The cut rails shall have to be returned to the nearest station or JE's depot by the Contractor at his own cost. The Contractor at his own cost has to establish quality control organization to ensure adequate control at all stages. (D) Unless otherwise superseded by the stipulation of the contract, the welding process and methodology will be governed by the Manual for Flash Butt Welding of Rail 2012 with upto date correction slip issued by RDSO Ministry of Railways, Lucknow.

SWR USSOR 2022 Item No 171010-Loading of rails of any section and length up to 13 metres in Wagons/ Truck / trailer including lead up to 50 metres and lift up to 5 metres.

SWR USSOR 2022 Item NO-171050:Unloading of rails of any section and length up to 2 13 metre, in neat manner for Railway usage from departmental material train (DMT) or contractor's / Railway's Truck/trailer including lead up to 50 metre, lift up to 5 metre and stacking in prescribed manner