bids are invited for custom bid for services - lumpsum rates for 2 years towards contract for service for calibration and maintenance of psv or tsv at gail pata refer appendix a for details , custom bid for services - lumpsum charges for part b providing services for certification of valves under smpv rules for all sizes for total 280 ea including all charges and gst , custom bid for services - lumpsum charges for part b providing services for deployment of helper unskilled for 8 hours per day basis for shutdown duration for total 800 mad including all charges and gst , custom bid for services - lumpsum charges for part b providing services for helper unskilled for 1 hour of extra work or overtime work beyond 8 hours per day for 3200 mah including all charges and gst , custom bid for services - lumpsum charges for part b deployment of rigger or fitter semiskilled for 8 hours per day basis for shutdown duration for 800 mad including all charges and gst , custom bid for services - lumpsum charges for part b for deployment of riggerfitter semiskilled for 1 hour of extra work or overtime work beyond 8 hours per day for 3200 mah including all charges and gst , custom bid for services - lumpsum charges for part b deployment of sr fitter skilled for 8 hours per day basis for shutdown duration for 200 mad including all charges and gst , custom bid for services - lumpsum charges for part b deployment of sr fitter skilled for 1 hour of extra work or overtime work beyond 8 hours per day for 800 mah including all charges and gst , custom bid for services - lumpsum charges for part b erection and dismantling of scaffolding upto 24 metre including supply of scaffolding materials and resources for 25000 ea including all charges and gst , custom bid for services - lumpsum charges for erection and dismantling of scaffolding above 24 metre including supply of scaffolding materials and resources for 2000 ea including all charges and gst , custom bid for services - lumpsum charges for painting of body and tag number of psv or tsv for 5000 ea including all charges and gst , custom bid for services - lumpsum charges for supply of nitrogen cylinders approx capacity 47 litre and pressure 180 kg for 50 ea including all charges and gst total quantity :