bids are invited for repair & maintenance of 400mm nb ash slurry pipelines & 500mm nb awrs pipeline from barrier gate of plant to morcha nala, belvadah. , gas cutting of ash pipe /awrs pipe/clamp/collar etc. , attending leakage/ maintenance of disposal line by replacing/refitting sleeve coupling and rubber gaskets. , fabrication and erection of new steel structure / support / platform using m.s. angle / channel / plates / tubes or any type of steel section. , fabrication of 400mm nb/500nb m.s. bend of required angle. , replacement/refitting and alignment of 400 mm nb/500mm nb bend, installed in ash slurry pipelines/awrs pipeline. , providing generator for maintenance work of pipelines. , repairing of worn out and damaged 400 mm nb flange/ sleeve coupling by cutting, welding, and grinding/ machining. , removal of choking of ash slurry disposal pipelines. , digging of earth/ash deposited on ash slurry pipeline and adjoining area due to leakage/bursting of ash disposal pipeline. , removal/uprooting of grass, wild bushes, and plant around and in between the gap of pipelines. , marking and turning of 400 nb ash slurry disposal pipeline. , dismantling of existing 400 nb ash slurry disposal pipeline. , erection/placement of 400 nb ash slurry disposal pipeline. , providing hydra for maintenance work of pipelines. , providing half stiffener over 400 nb ms pipe , hiring of jcb on hourly basis , hiring of tractor with hydraulic trolly