supply of metal cots along with mosquito net frames specifications of cot: cold rolled steel pipe pu oven backing paint on zinc phosphate pu primer, size of 6 feet 3 inches length, 3 feet width, height 18 inches ( approx ) , cot base frame pipe 50mm x 25mm x 1.6mm thickness ( approx ) section and support leg size of 48mm dia 2.2 mm thickness ( approx ) , 28 inches head board and 22 inches leg board, 6 nos. of cross stiffeners of 25 mm x 25 mm x 1.6mm thickness ( approx ) section with confirming to is 303:1989 type ab plywood sheet 6 feet x 3 feet with a thickness of 12mm with bolting arrangement on stiffeners at 4 places, as per drawing enclosed. specifications of mosquito net frame: provision of mosquito net frame with iron rods of dia 12mm, ms structure of size 6 feet 3 inches length, 3 feet width, height 152cms with top nut and bolt fixing and will be of black colour painting. [ warranty period: 30 months after the date of delivery ]