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This paper discusses the results of a study of architects at work, where the focus of attention was on the information used during the life of a design project. What became apparent during this study was that the business management of the project, and the artifacts associated with that phase of work, often overwhelmed the actual design effort in terms of time and attention. A phenomenological approach to data collection was used; the author observed architects at work in two different offices over a period of several months, and assisted in the day to day work of each office. Sketches, photos, informal interviews and discussions, and extensive notes provided a rich set of data about work life in architectural practice. Structuralism was the primary analysis tool used to identify key elements of the data and their meaning in professional practice. A model was developed of the kinds of information used to manage a design project. This model includes not only the data used in project management documents, but also categorizes each piece of information according to its current level of use. The document model identifies eight primary attributes for every document, and an object-oriented class hierarchy for documents provides for the inheritance of the base attributes as well as providing additional attributes in various sub-classes to facilitate modeling specific kinds of documents like letters, memos, notes, faxes, contracts, and construction drawings. Finally, a Design Project Manager with a complete set of document manipulation, storage, and retrieval tools was defined. These information tools have specific behaviors based on the patterns of document and information use observed in the subject offices. The results suggest that the productivity of architects may be enhanced by a set of small, carefully designed information tools that help architects deal more easily with the complexity of managing design projects. / Ph. D.

Project planning in the Architecture, Engineering and Construction (AEC) industry at present relies heavily on individual skills, experience and improvisation. In an attempt to increase predictability and efficiency, and to improve knowledge retention across projects, this thesis proposes a more systematic approach to project planning. It does so by introducing the notion of a meta-process model that embodies and cultivates the logic and intelligence of incremental and collaborative planning activities in a given domain. Planning tasks are encoded and enforced as a set of structured dialogues between project partners. To make this possible, a taxonomy extension to current workflow modeling technology is introduced. The concept of the chosen approach can thus be classified as process mediation through structured dialogues. It is applied to the particular example case of Design-Build project delivery for which a detailed workflow model was created. This model serves as a partial instantiation of the larger Project Management Body Of Knowledge, an abstract framework put forward by the US Project Management Institute. A prototype system architecture is devised as an extension to an existing collaborative virtual environment developed in the European e-HUBs research project. This experimental Web-based platform supports the enactment of workflows that are expressed in the standardized syntax of the neutral process definition language XPDL. The functional richness of the structured dialogue extensions is demonstrated through a dialogue management prototype developed as a separate MS Access database application.