bids are invited for custom bid for services - attending defective sanders assembly and filling up of sand of goods train at badnera territory round the clock as per schedule of work and railway instructions , custom bid for services - supply of clean silica sand free from clay loams mica and other foreign material as per specification no aar m91651 packed in 10 kg waterproof bags as per schedule railway terms specifications , custom bid for services - supply of spare items for defective sanders assembly to railway as per railway terms and specifications- 1 sander pipe arrangement ( lh / rh ) ( p.l.no.29.07.0016 ) 2 sander with nozzle assembly 3ph ( p.l.no.29.16.1009 ) 3 sander rubber pipe ( p.l.no 23.07.7750 ) 4 sander body flange ( p l no.23.07.7773 ) 5 sander air pipe flexible with nipple ( p.l.no.23.15.3201 6 sand ejector body ( pl.no.23.16.8407 ) 7 sand ejector body gasket ( p.l.no.25.25.4753 ) 8 sand box cover gasket ( p.l.no.25.25.7122 ) 9 sander elbow ( p.l . no 62.13.0262 ) 10 sander dummy ( 1-1 / 2” ) 11 nut 14mm ( p.l.no.23.31.7980 ) 12 nut 16mm ( p.l.no.23.31.7966 ) 13 sanders tape 2” ( brown colour ) 60 mtr. 14 gi wire ( pl no. 90701057 ) 15 ss pipe line fitting for sander circuit-: 1 set contains, ( one t type union 10x10x10 mm, two l type union 10x10 mm, one straight type 10x10 mm ) 16 ss pipe line reducer fitting for sander circuit , 1 set contains -: ( one t type union reducer 10x10x8 mm, two l type union reducer 10x8 mm, one straight type reducer10x8 mm ) 17 spool body 18 sander elbow 3 phase loco 19 sander ejector buddy dummy ( conventional ) 20 adaptor for sander arrangement 21 adaptor gasket 22 gasket for sand ejector body 23 bolt 12x45 mm ( pl no. 23.33.7783 ) 24 nut 12 mm ( p l no. 23.31.7978 ) 25 nut 10 mm ( p l no 23.31.7954 ) 26 bolt 10x45 mm ( pl no. 23.33.7746 )