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Tender For corrigendum : providing of repair and overhauling service - as per scope of work; asper scope of work; no; buyer premises - 1) rmthblr5738 sealing pulverized fuel leaks in mill housing/mill door/intermediate part of mill (0 ml to below classifier level)- 1. identifying the leaks when the mill is in service. water washing the area after stoppage of the mill. moving the gas cutting set, welding machine, welding cables to the location. moving necessary wooden planks, scaffolding pipes etc to the location and providing necessary platform for carrying out the work. 2. assessing the extent of damage/thinning/erosion of the plates in the neighborhood. finding out the size of the patch plate required in the eroded area. the minimum size of the patch plate shall be 300 x 300 mm (depending upon the location of puncture). marking and cutting patch plate of required size from 16/20 mm plate at fabrication yard. making the edge preparation by cutting and grinding. providing necessary lifting hooks by welding. removing the already welded clit pieces if any in the leaking area. 3. transporting the pre fabricated plate to required location. lifting by using rope/chain pulleys/ pull lifts, setting and full welding to arrest any possible leakage of pulverized fuel. 4. providing necessary packing ropes in inspection doors, mill door joints and ld2 sleeve area and tightening the bolts. prepare the hard setting compound by mixing the hard-setting powder with sodium silicate solution and applying the same in the above mentioned areas and any other fuel puffing areas and giving necessary curing time. 5. clearing the scrap/debris after the work. removing the scaffoldings after trial run and completion of any pending defects and leakages found during trial run. 2) rmthblr5739 sealing pulverized fuel leaks in classifier (including by pass plates)/below 15 ml (above classifier level to 15 ml). 1. identifying the leaks when the mill is in service. water washing the area after stoppage of the mill. moving the gas cutting set, welding machine, welding cables to the location. moving necessary wooden planks, scaffolding pipes etc to the location and providing necessary platform for carrying out the work. 2. assessing the extent of damage/thinning/erosion of the plates in the neighborhood. finding out the size of the patch plate required in the eroded area. the minimum size of the patch plate shall be 300 x 300 mm (depending upon the location of puncture). marking and cutting patch plate of required size from 16/20 mm plate at fabrication yard. making the edge preparation by cutting and grinding. providing necessary lifting hooks by welding. removing the already welded clit pieces if any in the leaking area. 3. transporting the pre fabricated plate to required location. lifting by using rope/chain pulleys/ pull lifts, setting and full welding to arrest any possible leakage of pulverized fuel. 4. prepare the hard setting compound by mixing the hard-setting powder with sodium silicate solution and applying the same in the above mentioned areas and any other fuel puffing areas and giving necessary curing time. 5. clearing the scrap/debris after the work. removing the scaffoldings after trial run and completion of any pending defects and leakages found during trial run. 3) rmthblr5740 sealing pulverized fuel leaks in main p.f duct above 15 ml upto 27 ml including 1st,2nd,3rd & 4th limb of pf duct. 1. identifying the leaks when the mill is in service. water washing the pf duct area after stoppage of the mill. moving the gas cutting set, welding machine, welding cables to the location. moving necessary wooden planks, scaffolding pipes etc to the location and providing necessary platform for carrying out the work. 2. assessing the extent of damage/thinning/erosion of the plates in the neighborhood. finding out the size of the patch plate required in the eroded area. the minimum size of the patch plate shall be 300 x 300 mm (depending upon the location of punctur
22 May, 2024
11.97 Lacs
