Custom Bid For Services - Supply Transportation Loadingunloading Storing And Filling Of Dry Screened Sand In Sandboxes Of Electric And Diesel Locomotives Of The Crewchanging Locations In Suburban Area For Period Of Two Yearsqty 8108456 Kg , Custom Bid For Services - Supply,Transportation, Loading, Unloading, Storing And Filling Of Dryscreened Sand In Sand Boxes Of Electric And Diesellocomotives Of The Crew Changing Locations In Nonsuburbanarea For Period Of Two Years Qty 9402659 Kg , Custom Bidfor Services - Checking Of Sander Working And Attention Ofelectric And Diesel Locomotive Sand Gears In Suburban Areafor Period Of Two Years Qty 96457 Nos , Custom Bid Forservices - Checking Of Sander Working And Attention Ofelectric And Diesel Locomotive Sand Gears In Nonsuburbanarea For Period Of Two Years Qty 92280 Nos Quantity: 4