supply of clean high silica locomotive sand (90% minimum) free from clay salt loams mica and other foreign materials conforming to rdso recommended spec. no-aar m- 916-51 (revised 1994 or latest) duly cleaned sieved dried & packed in 10 kg capacity , clean high silica locomotive sand (90% minimum) free from clay salt loams mica and ot her foreign materials conforming to rdso recommended spec. no-aar m- 916-51 (revised 1994 or lat est) duly cleaned sieved dried & packed in 10 kg capacity water proof good quality polythene bags co nforming to bis-9685/2002 (item description updated on 02/03/26) [ warranty period: 30 months aft er the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]