bids are invited for custom bid for services - supply and safe delivery of epoxy primer inorganic silicate based zinc primer complying to astm d 520 type 2 as per scope of work quantity 75 liters , custom bid for services - supply and safe delivery of polyamide epoxy reinforced with micaceous iron oxide paint as per scope of work quantity 50 liters , custom bid for services - supply and safe delivery of top coat epoxy pain as per scope of work quantity 22 liters , custom bid for services - removal cleaning and reinstallation of prefilters in pre filter banks as per scope of work quantity 262 nos , custom bid for services - filling of gaps in frames by welding and surface preparation of mating faces on filter frame by grinding or buffing techniques for ensuring proper seating of hepa filters as per scope of workquantity 16 square meter , custom bid for services - fabrication and erection of clamp plates patch plates modification of filter fixing tie rods and access ladders as required as per scope of work quantity 2000kgs , custom bid for services - painting of structural members pre filter frames and hepa frames dft of 75 microns for primer dft of 100 microns for mio coat and dft of 25 microns for top coat epoxy paint so as to achieve a total dft of 200 microns quanti.. , custom bid for services - shifting and reinstallation of hepa filters in filter banks as per scope of work quantity 262 nos , custom bid for services - identification of leaks by carrying out dop funnel test as per scope of workquantity 20operations , custom bid for services - removal of faulty hepa filters which are identified during funnel test and reinstallation of hepa filters at their location as per scope of work quantity 100nos , custom bid for services - installation and removal of double tubular scaffolding system as per scope of work quantity 300 square meter