The Karlsruhe Research Centre (KfK) is engaged in research and development of fusion reactor technology including tritium technology. The planned activities concentrate mainly on the development of components of the fuel cycle. The necessary experiments and tests will be performed in a central laboratory. In a first phase, the laboratory will be equipped to handle 10 g of tritium, in a second phase, this amount will be increased to 200 g of tritium. The basic concept of the laboratory is described. Special attention is given to the design of the equipment for storage and handling, including the systems for tritium retention.