bids are invited for 1 clean silica sand, free from clay, loams, mica and other foreign material, as per specification no.aar m-916-51 to be used on all classes of diesel and electric locomotive packing in 30 kgs water proof polythene bags as per rdso letter no. sd.dfm.a.8 dated28 / 29.12.2011. 50 mt chief crew controller -hapa 2 constant current led driver suitable for 30 watt led street light fixture as per is: 15885. input voltage 230 volts ac. threshold - less than 15%, pf- >0.90. 500.nos section engineer ( el ) surendranagar 3 300mm plastic body exhaust fan make:- bajaj, crompton, havells. 40.nos section engineer ( el ) wankaner 4 straw board in sheets grade a to size:66 cms x 77.5 cms x 90 dkg specn.no.is 2617 / 2006 5800.kgs sr. section engineer ( c&w ) hapa 5 speed radar gun size 4.3 w x 8.4 h x 6 d inch, 10-200 mph ( 1500+ feet away ) / 16-322 kph ( 457 meter away ) , large clear lcd police radar gun display support both mph and kph speed modes an esay point and shootspeed gun with / -1.0 mph accuracy display fastest speed once trigger is released. with 12 months warranty. make:- bushnell or similar