This unit describes the skills required to maintain and repair irrigation or stock and domestic supply channels and drains.This unit applies to those working as field and operational staff with responsibility for carrying out planned and emergency maintenance and repair work on raw water delivery systems.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to, particularly those related to environmental requirements and WHS.Those undertaking this unit would work independently or in a team under direct supervision using own familiar resources as required. They will perform routine tasks, ensuring minimum damage to the environment, in a range of familiar contexts.No licensing, legislative or certification requirements apply to unit at the time of publication.