Supply of sand of grain size 850/425 micron for use in the locomotives as per the Specification IS:1987/2002, Grade-C and Caking test & Solubility test as per AAR M-916-51. Each number of sand bag should contain 15 kgs of sand. Note:- 1) One Sample of 15 Kgs. sand bag should be got approved before effecting bulk supply. 2) Packing: Should be packed in clean good quality nylon gunny bag of polythene lamination of thickness not less than 25 microns and properly sealed to avoid water entry and sh (Индия - Тендер #69509966)