Gem Bids For Custom Bid For Services - Schedule 1- 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-916-51 As Per Latest Amendments Duly Packed In Polythene Bags Of 25 Kgs At Bdcr & Mu.. Custom Bid For Services - Schedule 2-06 Unskilled Labour For Filling Of Sand In Locomotive And Attention Of Sanders Round The Clock At Bdcr & Mugr 3 Unskilled Man Power Each @ Bdcr & Mugr For Two Years