agricultural, forestry, horticultural, aquacultural and apicultural services./ project renewal seewasserwerk moos (incl. pw-horn) area: trade 6, ecological construction supervision (öbb)./ the moos lake waterworks, including the horn pumping station, must be renewed during operation. services to be provided by the ecological construction supervision: accompanying and monitoring the relocation of listed orchid green roofs between different roofs or roof areas of the historic slow filter systems. furthermore, advice and control regarding the installation of new roof greening. accompanying and supervising the design of all green areas (ground areas) that are to be newly created or renewed after the conversion work has been carried out on the factory premises. furthermore, the advice of the construction management. implementation will take about 10 years. there is a strong dependency on the other trades working on the project at the same time. mainly civil engineering and various construction services, and to a lesser extent chemical engineering and electrical engineering.