RSP which is commonly known as Gondola (or cradle/ or RSP) is an electrically operated temporarily installed suspended access equipment which is a suspended manned facility for work at heights by relying on a movable platform driven by motors, designed to suspend along the vertical surface of building by steel wire ropes through the suspension mechanism placed at the top of building. It is a kind of non-regular suspended access equipment. The suspended access equipment is featured in strong construction adaptability, higher construction height, less occupation of construction land, high construction efficiency, easy erection, less labour need and etc.