bids are invited for custom bid for services - sweeping cleaning collection of garbage from store compressor room shed floor yards railway track pathway between tracks road and associated area and disposal at nominated place use tools and chemicals etc , custom bid for services - sweeping cleaning mopping of office rooms toilets urinals wash basins with adequate disinfectant and cleaning agent use tools and chemicals etc , custom bid for services - collection of mixed scrapreleased material from shedyard of freight depot ghz and segregation of mixed materials and stacking item wise for lot formation at nominated place total quantity :