Access to the scaffolding shall be safe, convenient and expedient, preferably with a separate stair tower. Ladders may be used for access to work of short duration. Where virtually vertical ladders are used for access to decks higher than 3.5 m, the ladder shall be equipped with hoops from 2.5 m above ground.The scaffolding shall have sufficient space for users, tools and materials. It shall be possible to perform the work using work postures that do not result in unfortunate physical strains.Employees should be able to move around without any risk of getting caught or colliding with protruding or hanging scaffold parts or objects.