bids are invited for custom bid for services - schedule i supply of cleaned dried and sieved river sand to rdso spec aarm91651 in water proof bags weighing 30kgs each for a period of two years at ccc ndl , custom bid for services - schedule ii man power cost five unskilled labour per day for loading of sand into locomotives and for attention to sand gear at ndl bidders are requested to quote above only on manpower cost offers quoted atpar or below .. , custom bid for services - schedule iii esi at the rate of 3 point 25 percentage on minimum wages bidders shall quote atpar only on this schedule offers quoted above will be treated as at par only , custom bid for services - schedule iv epf at the rate of 12 percentage on minimum wages bidders shall quote atpar only on this schedule offers quoted above will be treated as at par only , custom bid for services - schedule v leave pay on minimum wages bidders shall quote atpar only on this schedule offers quoted above will be treated as at par only , custom bid for services - schedule vi gst at the rate of 18 percentage on manpower cost bidders shall quote atpar only on this schedule offers quoted above will be treated as at par only , custom bid for services - schedule vii gst at the rate of 5 percentage on sand cost bidders shall quote atpar only on this schedule offers quoted above will be treated as at par only