bids are invited for custom bid for services - cleaning of locomotive cab and lookout glass (no of locomotives available at pnbe juncion - 80 no dnr - 35 no, tia - 35 no total no locomoties in 02 years (150 x 730) 109500 no , custom bid for services - sand filling of sand boxes of electric / diesel locomotives including minor repair of sanding arrangement at pnbe, dnr and tia junction / station / yard total no of loco in 02 year 730 x 100 73000 no , custom bid for services - supply of clean silica sand free from clay, loam, mica and other foreign material as per rdso specification no-aar m916- 51,rev-1994 or12kg sand packed and stitched in a water proof laminated plastic/gunny bag qty 876000kg , 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 13195108 sq feet , custom bid for services - supply of cleaning material as per scope of work for 02 years total quantity :