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Friday, September 25, 2009

210 King St East Revit Model – Version 2 [LEED][BIM]

>http://www.digital210king.org/blog.php?p=19

Overview

Working with the CIMS Lab at Carleton University and Faro Technologies, we are developing a digital model of our offices in Toronto using Building Information Modeling (BIM). We hope that this model becomes a valuable resource to a community of simulation and modeling researchers.

A central motivation to our work is to foster change from sustainability as an abstract discourse to quantifiable codes and practices. To promote accelerated progress in this field, we are launching a new symposium under the SCS SpringSim multiconference in collaboration with ACM SIGSIM called the Symposium on Simulation for Architecture and Urban Design and we will provide the Digital 210 King model to this community. More information will be coming soon...

Over the course of 2009, we will be developing this project website were the Digital 210 King data will be published and related projects will be posted.


September 23, 2009

Revit Model Version 2

Creating an accurate model of the 210 King office will be an ongoing, iterative process. Our first attempt at modeling the existing 210 King office building in Revit was a tremendous exercise in filtering through the mountain of information we collected from laser scans, hand drawn sketches, AutoCAD drawings, and onsite inspections. We used the AutoCAD drawings of the building from the time of the renovation as a basis for the model and integrated measurements from the other sources to fill in missing information, such as wall thickness measurements and composition of brick walls.

Our next step was to look for ways to further improve and refine our model of the office building. The first version model acted as a great environment where we could compare and reconcile the complexities of the many existing datasets. However, we agreed that our approach to the problem of modeling an existing building needed to be reviewed. We approached the first model by considering the existing office building as a whole from the very start. Many of the issues we highlighted stemmed from this approach. In our second attempt, we instead thought of the task as though we were designing four new buildings that would later interact. We started the model by building the major party walls defining each of the four buildings, thus embedding a clear conceptual separation among the four existing structures. With each building still being considered separately, we added internal structural components: the pillars, the floors, and major interior walls. As a final step, we created openings in the walls where the buildings now connect to one another.

Onsite Sketches
Sample wall section sketch

By working with wall sections and onsite sketches, we tried to refine the relationship between the existing structures while taking advantage of Revit's parametric capabilities. By establishing the entire building's structural grid and each individual building's structural wall as a datum, we were able to create an overall anatomical setup for interior modeling. Furthermore, we paid more attention to the visual fidelity of our model by creating drawings and rendering outputs throughout the process. In particular, the laser scan data proved invaluable for refining measurements of difficult to reach areas, such as external wall details.

Structure
Completed envelopes of the 4 buildings

It is interesting to note that the role of BIM in this project is not fundamentally different than when modeling a new design. We are relying on BIM as a platform to help us speculate about the existing building's construction and rationalize certain assembly configurations. By allowing us to easily experiment, we hope to achieve a higher level of conceptual clarity which will be crucial to accurately simulating the overall performance of the building.

Structure Detail
Detail of the structure and floor

We are currently working on adding more detail to the interior of the office, including defining office spaces, work spaces, meeting rooms, and common areas. Stay tuned for further updates.

ZIP
210 King St East Revit Model - Version 2 High Res Images
ZIP - 4.541MB
Source:blog - digital 210 king


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