Graphic Visualization for Planning Heavy Liftsby Parmanand V. Dharwadkar, Univ of Texas at Austin, Austin, United States,
Koshy Varghese, Univ of Texas at Austin, Austin, United States,
James T. O'Connor, Univ of Texas at Austin, Austin, United States,
Thomas M. Gatton, Univ of Texas at Austin, Austin, United States,
Abstract: The application of graphical visualization to construction can serve a wide variety of objectives and offers many significant benefits. Heavy lifts are an important component of industrial construction. These lifts usually involve the placement or removal of prefabricated plant components. This paper describes a case study of using graphical visualization to assist in planning the replacement of a 145t compressor at an industrial plant. Advanced technologies are used to develop 3D graphical models of the lift site and these models are analyzed to develop a reliable lift plan. The case study was performed using the visualization program Walkthru on a Silicon Graphics workstation. The geometry of the site was obtained from the as-built drawings provided by the plant owner and the equipment specifications were obtained from the lifting contractor. The site model and equipment models were created using the 3D CAD package MicroStation and then translated to a Walkthru format. Basic procedures developed for visualizing heavy lifts are described and these procedures are applied to the compressor replacement project. The paper also presents a discussion on the benefits and costs for this particular case study.
Subject Headings: Graphic methods | Case studies | Three-dimensional models | Imaging techniques | Computer aided design | Construction management | Industrial facilities
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