bids are invited for custom bid for services - 2223 1006 total lumpsum amount for total estimated qty including gst for installation and hook up of cyclone separator including transportation as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for dismantling of piping as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for erection of piping as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for fabrication of piping as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for structure fabrication and erection as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for structure dismantling as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for scaffolding erection as per sow , custom bid for services - total lumpsum amount for total estimated qty including gst for valve opening and box up as per sow