Custom Bid for Services- Sch 1 charges for Supply of Sand of grain size 850 425 micron for use in the locomotives as per Specifications IS 1987 2002 Grade C and AAR M 91651 duly packed in Polythene bags of 25 Kgs at BDCR MUGR for two years Qty 24.., Custom Bid for Services- Sch 2 Charges for 06 Unskilled Labour for filling of sand in locomotive and attention of sanders round the clock at BDCR and MUGR 3 unskilled man power each BDCR and MUGR for two years