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The state-of-the-art facility boasts flexible classrooms, student project laboratories, and new research space that facilitates advanced teaching techniques to bring together students, faculty, and researchers to redefine engineering education for the 21st century. Totaling over 400,000-square-feet (sq. ft.), the modern, open-concept facility is the Cockrell School’s largest multidisciplinary building. The effect of which increased enrollment by 1,000 students to a total of more than 6,000, as well as increased the number of innovative engineering faculty members that collaborate to solve critical challenges within the industry.
OPTIMIZING THE BUILDING ENVELOPE WITH A BIMBASED FRAMEWORK
In April 2015, Zero/Six Consulting collaborated with The University of Texas System and Hensel Phelps Construction Co. to assemble the components in a BIM framework to coordinate shop drawings for the 432,671 sq. ft. facility. Numerous architectural and structural drawings multiplied the potential for discrepancies both before and after construction. Imagine putting together a puzzle with pieces
designed by ten different companies. The building envelope process is like that puzzle; consisting of a collective of multiple design components coming together for the first time on-site. Building Information Modeling (BIM) puts all the pieces together virtually so that multiple design elements come together on-site with identified design mistakes and oversights corrected prior to construction. By combining the envelope drawings and structural model into an intelligent 3D design, Zero /Six was able to identify issues that would have been costly to remedy once the pieces came together on-site.
“To the best of our knowledge, nobody has ever attempted to create a composite envelope BIM model,” said Bill Coltzer Jr., AIA, President at Zero /Six. “So, in April, we found ourselves sitting in an exterior envelope pre-construction meeting for the new EERC building; when they asked who could create a Composite Building Envelope BIM Model, we raised our hand. Originally this document was intended to be a virtual clash detection tool that would find issues. As the process evolved and the lack of cohesiveness in assembling components together became evident, we switched gears and instead provided Hensel Phelps a large change order that was ultimately the basis of construction for the entire exterior envelope. In the end, this was much more convenient for the construction team because they were able to spend more time managing construction and much less time sending the architect RFI’s,” added Coltzer.
BUILDING A COLLABORATIVE TEAM ENVIRONMENT
For the process to work well there must be a collaboration between the coordinating party, BIM operators, subcontractors, and the design team. The firm would not have been able to successfully
coordinate the EERC project if we did not receive feedback from the subcontractors. To model certain components so they fit into the virtual envelope assembly, Zero /Six (or any coordinating team)
needs to know what the subcontractor has the ability to manufacture. For example, while coordinating the limestone masonry units on the EERC, the masonry subcontractor informed us that while the stone
pattern appears random, there are only 3 primary stone widths on the building façade. Had Zero /Six altered the stone to make more room for other components, the price of manufacturing and installing the stone would have increased significantly. Without participation from all parties, the coordination effort would not have been a success.
Order Tramadol Us To Us project was not a pain-free job; however, many of the potential construction errors were avoided by using BIM coordination tools and subcontractor collaboration.
Through collaboration, Zero/Six was able to proactively approach both shop fabrication and on-site production. For example, the EERC used unitized curtain wall systems almost exclusively. These
systems arrive on-site pre-manufactured and cannot be modified. There was a condition on the project where there were numerous unitized curtain walls above a modified bitumen roof curb. The shop
drawings provided by the curtain wall contractor showed the curtain wall sitting directly on the roof system with insufficient clearance to terminate the roof edge with a counter flashing. By using BIM
in our envelope consulting to virtually construct the project, Zero/Six was able to identify the issue, propose a solution, and bring the contractors together so that a revision to the shop drawings could
be made prior to installation in the field. Though BIM is not a new technology, the process of integrating BIM technology into the construction phase is a critical step that should be incorporated in the future so that issues are identified virtually within the composite model before becoming a reality on the construction site.