purchase of 64 waste bins for lpandup schools and 28 bins for high school and higher secondary school in tripunithura municipality by collectorsat school projet , appendix - a- single collection bin ( small ) for lp / up schools , od1109914 / 2020_2021 single collection bin of size 0 . 45 m x0 . 45 mx0 . 80 m ( storage size ) using steel work in built up tubular ( round , square or rectangular hollow tubes etc . ) trusses etc . , including cutting , hoisting , fixing position and applying a priming coat of approved steel primer , including welding and bolted with special shaped washers etc . complete . hot finished welded type tubes . extra for providing and fixing expanded metal mesh of size 20x60 mm and strands 3 . 25 mm wide 1 . 6 mm thick weighing 3 . 64 kg per sqm for encasing or rolled steel sections in beams , columns and grillages excluding cost of hangers . finishing with epoxy paint ( two or more coats ) at all locations prepared and applied as per manufacturers specifications including appropriate priming coat , preparation of surface , etc . complete . on steel work , od1111236 / 2020_2021 name board lettering and locking arrangement , appendix - b -single collection bin ( large ) for high schools / higher secondary schools , od1111189 / 2020_2021 single collection bin of size 0 . 6 m x0 . 6 mx1 . 2 m ( storage size ) using steel work in built up tubular ( round , square or rectangular hollow tubes etc . ) trusses etc . , including cutting , hoisting , fixing position and applying a priming coat of approved steel primer , including welding and bolted with special shaped washers etc . complete . hot finished welded type tubes . extra for providing and fixing expanded metal mesh of size 20x60 mm and strands 3 . 25 mm wide 1 . 6 mm thick weighing 3 . 64 kg per sqm for encasing or rolled steel sections in beams , columns and grillages excluding cost of hangers . finishing with epoxy paint ( two or more coats ) at all locations prepared and applied as per manufacturers specifications including appropriate priming coat , preparation of surface , etc . complete . on steel work , od1111236 / 2020_2021 name board lettering and locking arrangement