Knowledge gained in the study of forest work is used to improve operational efficiency through better planning and control of future work. Internationally recognized standard methods for evaluating and reporting performance in forest work will greatly enhance the usefulness of this information to managers and planners. A subcommittee of IUFRO Working Party S3.04-02 (Work study; payment; labor productivity) has completed work on a standard nomenclature for time and cost concepts. This report outlines the details of the nomenclature agreed upon.
Of particular interest is the relationship between observed time and standard time. The nomenclature in this document is used to develop unbiased estimates through direct observation. The observed times that result can then be used to develop standard times. This process does not destroy observed information; therefore, this nomenclature is considered compatible with both observed and standard time systems.
Key words: standards, nomenclature, work study, productivity, forest operations.