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REVIEW OF 3-D PLANT DESIGN

Plant and equipment design in a two-dimensional environment provides a limited facility for the designer to fully review the interactions of all components involved in the final assembly. This leads to clashes and component mismatches which can result in costly rework and, possibly even worse, time delays for project completion. A full three-dimensional model enables a team of designers to work in collaboration such that each part of the plant or equipment can be virtually built and assembled to ensure fit-up and identify any possible clashes before fabrication commences. In addition, the three-dimensional modelling facilitates the transfer of required components of the design to finite element analysis packages for evaluation and design optimisation based on required component strength. The development of an intelligent model also allows parametric formulas to be assigned to the components, which enables quick model changes for different equipment size requirements without the need to redraw each component. This paper describes experience gained during the design and fabrication of equipment for the recent Ubombo Chainless Diffuser project, and highlights the benefits of a threedimensional design environment from concept through to installation.