The Year in Infrastructure 2007 - (Page 34) Building innOVatiOn This category applies to the application of Bentley technology to provide new capabilities to the adopter. Many involve the implementation of technology new to the adopter or technology applied to a new area of practice, or particularly innovative application of existing Bentley technologies. winner Wells Fargo Home Mortgage lJB inc. The challenge of this project was to create a sophisticated Class A office space to consolidate the operations of Wells Fargo home Mortgage in Frederick, Maryland. The complicated tilt-up office design includes a series of interconnected structures that are all three stories tall and total more than 310,000 square feet. From onset to completion, the schedule for this project was only 19 months. The Wells Fargo complex is one of the largest multistory tilt-up office structures ever built, according to the Tilt-Up Concrete Association. By using BIM, LJB was able to complete the foundations, floor slab, and exterior walls in less than 90 days. LJB has customized its BIM modeling software to suit the special needs of tilt-up construction. A library of hundreds of structural shapes is used for placing wall panels and foundations and VBA programs automate such tasks as positioning the inserts required to lift each wall panel. The construction process was complicated by the size of the project. Traditional casting slabs were not large enough to accommodate construction of all the wall panels, so casting beds were used for each building. The wall panels required so much bracing that the project team created a layout for the bracing to keep steel erection on schedule. To create an attractive exterior, the wall panels feature an earth-tone color scheme and include numerous fenestrations and recesses. The large window areas in the perimeter wall panels required innovative floor framing solutions. LJB’s use of Bentley’s BIM solutions on this project enabled it to save time, money, and materials for three basic reasons: their design automation capabilities prevented duplication of tasks; their drawing accuracy and BIM simplified design changes and reduced field errors; and their management of inherent structural information enabled users to extract data for project- or method-specific uses. 34 ThE YEAR IN INFRASTRUCTURE 2007
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