This unit of competency specifies the outcomes required to carry out levelling operations, using the rise and fall method and the height of collimation method, to establish correct and accurate set-out of buildings and components. It includes the set-up, testing and use of levelling devices and undertaking closed and open traverses using a range of levelling equipment. It also includes calculating distances using stadia lines.The unit supports workers in the construction industry who use a variety of commonly used levelling devices when working with others and as a member of a team to establish accurate set-out data for a range of construction projects. It applies to levelling operations on residential and commercial work sites in new construction, renovation or refurbishment, and maintenance projects.No licensing, legislative, regulatory, or certification requirements apply to this unit of competency at the time of endorsement.