bids are invited for repair and overhauling service - repair standard size dais; repair standard size dais; yes; buyer premises repair of dais area removing of existing old plywood and ceramic materials. this includes surface preparation and replacement with new materials as specified. in the staircase area, on three sides, the old plywood will be replaced using 18 mm thick marine plywood. one sheet of size 6 feet by 4 feet will be used for this purpose. additionally, the ceramic tiles in the same area will be replaced. the new tiles will cover an area of 6 feet by 6 feet on each of the three sides, with a height of 1.5 feet. the tiles must be white in color. stair case, ceramic tiles measuring 2 feet by 2 feet and 1.5 feet in height will be installed, with a total of three tiles to be replaced. steel rod will be welded using stainless steel (ss) material. the welding will be carried out with an ss welding machine to ensure strong and durable joints total quantity :