Bids Are Invited For Custom Bid for Services - ARC for Miscellaneous Mechanical Jobs For The Year 2024 25 At Nfl Vijaipur - Opening of Flanges, Blind Flanges, Manhole Covers, Hand hole Covers, Flat End Cover of Heat Exchangers and lowering to the floor or ground level as per instruction of Engineer In-charge. Cleaning, repair and polishing of gasket sheets, lapping of ring gasket, lubricating nuts & bolts and boxing up as & when desired by the Engineer In- charge. Removal of valves from installed position, shifting to floor or ground level, shifting to Workshop, if required, cleaning & repairing, polishing of gasket sheets, cleaning & lubrication of nuts & bolts and re-installation. In case a new valve is to be installed in place of the old one, then arranging the new valve from stores or any other place as told by the Engineer In-charge and cleaning its gasket faces etc. Fabrication of pipe line (CS, AS & SS) including handling, Gas cutting, edge preparation by grinding, fit-up welding & Heat Treatment as per standard Engineering Codes & Practice and finally Hydro-testing up to the required Test Pressure. Alloy Steel welding is to be done by IBR qualified Welder if required. Fabrication of Miter Bends, Reducers, Tees including cutting, edge preparation, welding etc, as per standard Engineering Codes & Practices. Erection of Pipe Line as per supplied drawing or as per instruction of Engineer In- charge, including erection of necessary pipe supports & saddles, boxing up of all flanged joints, shifting from Workshop or stores to job site & shifting of balance material from site to Workshop or stores. Dismantling of pipe line including pipe supports, as per instructions of Engineer In- charge, including gas cutting, dismantling and removal of old piping, shifting the same to store/yard of workshop. Structure fabrication, including but not limited to handling, drilling gas cutting, grinding, bolting and welding of steel structure elements comprising of angles, channels, I-beams, rounds and plates of various sizes and thickness. Dismantling of structure by opening bolts, gas cutting, removing and shifting to main stores/scrap yard Erection of steel structure as per supplied drawings or as per instructions of Engineer In-charge, including drilling, bolting and welding wherever required. Shifting of material from stores/workshop to site & shifting of balance material from site to stores/workshop. Opening and boxing up of Safety Valves including transportation to NFL Workshop for repair and bringing back in position after repair. Reconditioning/Repair/Testing etc. required is in NFLs scope, while scaffolding arrangement, cleaning of gasket faces, lapping and cleaning of bolts & nuts are in Contractors Scope. Opening & Boxing up of Dish End of Heat Exchangers. Opening of connected pipe flanges and accessories, slip plating, lowering of Dished End, cleaning & repair of gasket seat, lapping etc., assembling back, finally leak testing Replacement of Tube Bundle of Heat Exchangers. Opening and boxing up of connected pipe flanges and accessories, removal of Heat Exchanger from position, replacing tube bundle after opening Dish Ends & Floating End. Re-assembling, restoring pipe connections and accessories and testing of Heat Exchanger up to the desired pressure. -Attending leakages for steam, water, air, gas, process fluid etc. Job includes gas cutting, grinding, welding, assistance in DP Test and fixing of feed plate/clamp if necessary. Replacement of Suction Filters of GTG/GTG PAC as per the instruction of Engineer In-charge. Job includes the removal of old Suction Filters, cleaning/washing of filter as per the instruction of Engineer In charge, and then installation of new/washed Suction Filters. Supply of Contract Labour for unplanned unforeseen Plant breakdown or shutdown jobs. To assist NFI. Employee in executing various Mechanical Maintenance jobs in routine day to day Maintenance of various Plant in General shift & central shift or in Shift Duty in various Plants. Maintenance of Belt Conveyors System, Conveyor Belts, Weighing cum Tripping Machine, De-dusting Blowers and De-lumbers as per the detailed Scope of Work mention in the Schedule of Rates. -Load Testing of various Lifting Tools & Tackles which includes Testing of FOT Cranes, Testing of Chain Pulley Blocks and Reconditioning of Chain Pulley Blocks if required. Any Scaffolding arrangement required against the Item rates shall be in Contractors Scope. To get issued material from Stores, shifting to site & return of balance material if any to Stores. The Contractor shall be responsible for final clearance of the site of work after completion of entire Maintenance work. In case of non-clearance by the Contractor, NFL. has a right to recover the cost of the same from the Contractor. The Contractor shall deploy/maintain adequate number of work force for smooth running and timely completion of the job. All Dimensional Measurements should be properly recorded by the Contractor & complete Record to be submitted to Engineer In-Charge after completion of the work. Contractor shall provide personnel and any other necessary items, for the purpose of inspection & measurement at his own cost. Total Quantity :
