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 dated 28 / 29.12.2011 and 09 / 10.09.2013 2. acrylic sheet size 1560x860x6 mm for vande bharat train.accepted makejmd, mg, a-one, skg, astar polyplast , europlast only. accepted make/brand - as per tender 3. safety shoes with steel toe cap and double density directly injected pu sole, as per specification: is 15298(part 2): 2011/iso 20345:2004, consists of sizes/qty.-(1) 11 no- 01 pair, (2) 10 no- 14 pairs, (3) 09 no- 18 pairs (4) 08 no- 30 pairs (5) 07 no- 22 pairs, (6) 06 no- 12 pairs (7) 05 no- 03 pairs. leather color- black. make: bata or liberty or acme. accepted make- acme boxylic or bata bs 2022 lc. 4. sitc of solar water heater 500 lpd capacity evacuated tube collector type, cold water tank with float valve complete with gi mounting structure stand of suitable capacity & 140 feet plumbing. system, having warranty 5 years. oem should be as per mnre approve list. 5. silica gel breather (unbranded) clear view type with deep blue (indicative) silica gel (silica gel conforming to is: 3401 :1992 latest) capacity : 500 grams size- 3/4 inch total quantity : 406