supply of supply of nylon / propylene rope ladder complete with 1 inch dia. aluminium steps . rope should be of 25mm dia. with steps of aluminium alloy corrugated pipe of 25mm x 2.5 mm (temper t6 as per is:733- 1983). step width - 410 mm, step gap between - 400mm. aluminium pipe should be duly packed with a pvc cap on both sides. size of ladder - 20 feet long with snap hook of load capacity of 1 ton for hanging. rope should be fixed with u bolt cl with dome nuts. , supply of nylon / propylene rope ladder complete with 1 inch dia. aluminium steps . rope s hould be of 25mm dia. with steps of aluminium alloy corrugated pipe of 25mm x 2.5 mm (temper t6 as p er is:733- 1983). step width - 410 mm, step gap between - 400mm. aluminium pipe should be duly packed with a pvc cap on both sides. size of ladder - 20 feet long with snap hook of load capacity of 1 ton for ha nging. rope should be fixed with u bolt clamp with dome nuts. [ warranty period: 30 months after the d ate of delivery ] ]