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Improving the performance of existing buildings has provided a broad market for the green renovation of US building stock which is estimated at 76 billion square feet. Building Information Modeling (BIM) has had tremendous impact on the building industry by increasing productivity and document accuracy alone. The integrative nature of BIM technology renders it an ideal tool for implementing sustainable strategies into the renovation and/or retrofit of existing structures.By exploring the nature of the relationship of BIM and sustainability, as it applies to the built environment, the intent of this research is to determine what functions of BIM could be utilized to implement sustainable design principles into the retrofit and/or renovation of existing structures. The study sought to establish a sustainable framework for an evaluation and a set of "Best Practices" for the retrofit and renovation of projects seeking sustainable status.To provide a baseline in determining possible "best practices" a professional survey was conducted, within the state of Florida, along with an analysis of a local existing structure. The survey focused on determining to what extent professionals utilize BIM to implement sustainable design principles in retrofitting/renovation and how BIM and sustainability impacted their practice. The case study investigated the process for conducting a total renovation with a goal of utilizing BIM in as many areas as possible to provide a sustainable outcome. To comply with current LEED rating systems an evaluation was made to determine what level the alterations would achieve under the category of LEED 2009 NC.Although the LEED rating determination and level of sustainability depends entirely on the scope and nature of the renovation; results of this research show that BIM can be an effective tool in implementing sustainable design principles into the renovation and/or retrofit of existing buildings despite the scope of the renovation.

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This paper focuses on the experiences gained in introducing Building Information Modeling (BIM) in structural design education. Using BIM as a framework for teaching structural analysis and design, BIM tools were implemented as the primary approach for advancing other types of structural engineering knowledge that centers on digital practices. The research explores BIM tools in creating structural analytical models and the use of multiple analytical models to perform various structural analysis and design education tasks. These include the application of various tools and simulation practices to prepare a BIM model for conducting structural engineering design, such as beams, frames, trusses, slabs, foundations and finite element analysis. The proposed BIM approach aims to develop deep learning about fundamental of structural analysis and design, promote collaborative thinking as a core activity, improve digital modeling and promote professional qualities to meet the demands of today's as well as tomorrow's integrated practice environments.