bids are invited for custom bid for services - 1 dismantling cutting removal of damaged and corroded filters lovers air distributors frames interconnecting pipelines platforms access ladders and structural supports in eb1 and eb2 air washer unit quantity 13290 unit kg , custom bid for services - 2 fabrication or modification and erection of filter frames louver frames air distributor frames pipe supports lifting hooks platforms and access ladders in eb1 and eb2 air washer units quantity 10230 unit kg , custom bid for services - 3 erection of louvers in eb1 and eb2 air washer units which involves shifting of material from store to site and welding on louver frames as per scope of work quantity 44 unit m2 , custom bid for services - 4 erection of air distributors in eb1 eb2 air washer unit which involves shifting of material from store to site and bolting them on frames as per scope of work quantity 30 unit m2 , custom bid for services - 5 erection of fresh air filters in eb1 eb2 air washer unit which involves shifting of material from store to site and bolting them on frames as per scope of work quantity 120 unit nos , custom bid for services - 6 shifting and providing scaffolding at site and removal after completion of work which is inclusive of arranging scaffolding pipes clamps jallies platforms etc as per scope of work quantity 200 unit m2