bids are invited for ustom bid for services - cleaning of locomotive cab and lookout glass no of locomotives available at pnbe junction 110 no dnrppta 35 no tia 27 no total no locomotives in 02 years 172 x 731 125732 no , custom bid for services - sand filling of sand boxes of electric diesel locomotives including minor repair of sanding arrangement at pnbe ppta dnr tia junction station yard total no of loco in 02 year 731 x 75 54825 no , custom bid for services - supply of clean silica sand free from clay loam mica other foreign material as per rdso specification no aar m91651 rev 1994 or latest 12 kg sand packed stitched in a water proof laminated plastic gunny bag qty 657900 kg , custom bid for services - cost for cleaning and sweeping of crew lobby danapur and trip shed danapur building bathroom toilet urinal surrounding area including garbage disposal and gardening qty 13213183 sq ft , custom bid for services - supply of cleaning material as per scope of work for 02 years