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Tender for Mobile Flash Butt Welding Under Aden/Hq-I Sub-Division. , - Flash Butt Welding Of 60/52 Kg Rails Using Rail Cum Road Mobile And/Or Stationary Flash Butt Welding Plant As Per Following Details: Incase Of Welding By Stationary Flash Butt Welding Plant. The Rate Quoted, Should Include Renewal Of Existing Rail By Panel Rails Initially For A Length Of About 250 Track-M, Cutting Of Released Rails At The Joints So As To Remove Heat Affected Zone/Fish Bolt Holes, Loading, Unloading, Transportation To Flash Butt Welding Plant, Flash Welding Of Rails, Transportation Of Panel Rails To The Site And Replacement Of The Existing Running Rail With Panels So Welded Including Insertion Of Closer Rails With Fittings. At Welding Of Joints Of Panels With Approved Portions, With 3 Piece Moulds Single Shot Crucible Complete In All Respect. In Case Railway Wagons/Utv Machines Are Required For Transportation Of Released Rails/Welded Panels, The Hire Charges For The Same As Per Railway Rates Has To Be Borne By The Contractor. 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 This Account However, Railway Land As Available Will Be Temporarily Handed Over Free Of Cost For The Execution Of The Work. (B)In Case Of Welding By Mobile Flash Butt Welding Plant In Situ Or On Cess, The Rate Quoted Should Include Earth Work In Formation For Placing Machine With Contractors Own Earth Including Dressing Of Slopes Of Embankment, Leading Cut Spoils To A Location/Locations As Directed By The Engineer For Stabling & Amp; Working Of The Mobile Flash Butt Welding Plant, Cutting Of Existing Rails At The Joints So As To Remove Heat Affected Zone/Fish Bolt Holes Under Traffic Block, Flash Butt Welding Of Rails Including Insertion Of Closer Rails With Fittings For Movement Of Trains Under Traffic Block Etc. Complete In All Respect. (C)In Both The Cases, As Above, The Rate Quoted Should Also Include Pre-Straightening Of Rails, Matching Rail Ends, Preparation For Aligning, Positioning, Stripping Of Rail Joints, Grinding And Finishing Of Joints Usfd Testing Of Flash Butt/At Welded Joints, Segregating Defective Rails, Post Straightening Of Joints Handling/Leading Of Rails/Rail Panels, Removing And Re- Fixing Of Fittings/Fastening With Contractors Own Labour Machinery, Tools, Plants, Etc. With All Lead, Lift, Desent, Crossing Tracks, Royalty, Taxes Etc. Complete In All Respect As Per Direction Of Engineer. The Cut Rails Shall Have To Be Returned To Pwis Depot By The Contractor At His Own Cost. The Contractor At His Own Cost Has To Establish Quality Control Organisation To Ensure Adequate Control At All Stages. For This Purpose Contractor Will Nominate A Person In Writing For Quality Control. (D) Unless Otherwise Superseded By The Stipulation Of This Contract, The Welding Process And Methodology Will Be Governed By The Manual For Flash Butt Welding Of Rails (Revised Jan 2012) With Up To Date Correction Slips Issued By Research Design And Standards Organisation (Rdso), Ministry Of Railways, Lucknow.
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