As for the development of 50t/d pilot plant for the development of liquefaction plant of Victorian brown coal in Australia, outline of the results of the researches in 1984 is reported from the following 4 viewpoints; 1: design of process apparatuses, 2: manufacture of apparatuses, 3: field work of the construction, 4: preparation for operation of the plant. On the first item, the outline of ordering designed equipment from Japanese and Australian companies is described. On the second item the acceptance of purchasing goods from Japan and Australia and promotion of the inspection and quality assurance system. On the third item, contents of the continuous construction of the first stage are described. On the fourth item, the establishment and review of rules and regulations, training and education for operators, enviromental assessment, contents of safety and maintenance work and commissioning work by the promoting department for preparation of operation are described. Moreover support works of wide range for the promotion and adoption by necessary personnel, labour unions, the state of labour and activities for local discricts are described.