Case Studies

Headquarters Addition and Janney Technical Center

The expansion of the Wiss Janney Elstner Associates (WJE) corporate headquarters involved the phased demolition of two existing buildings, and the construction of a 70,000-sf office and material testing laboratory building. The state-of-the-art laboratory, the Janney Technical Center (JTC), is a key feature of the two-story addition that seamlessly links to the firm’s main building. […]

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Zurich North America – Building Information Modeling (BIM)

Executive Construction reduced schedule and cost increases by early coordination of multiple MEP trades. Challenge When coordinating the MEP systems for Zurich North America’s corporate headquarters, it became apparent that the trades for the tenant interior systems and the base-building medium pressure (MP) HVAC loop would be in conflict. Executive Action Where the MP loop […]

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Keyence Corporation – Custom Lighting Mockup

Through study of design intent, and expert management of the procurement timeline, Executive Construction provided time-saving solutions for an intricate fixtures install. Challenge With the project underway and construction schedule established, it was determined an interconnecting stair between floors 5 and 6 was to be added to Keyence’s new headquarters space. A scope change this […]

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EdgeConneX – Roof Replacement

Executive Construction’s alternate solution for a roof replacement saved time and money under an accelerated winter schedule. Challenge The project documents called for a complete tear-off of an existing 12-year-old ballasted EPDM roof, and replacement with a new, 120,000-sf EPDM (ethylene propylene diene terpolymer) roof with a new vapor barrier. The existing building was being […]

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Keyence Corporation – Open-ceiling Plan

Through early evaluation of existing conditions, Executive Construction developed strategies to deliver the client’s desired design intent. Challenge Keyence Corporation relocated their corporate headquarters to an existing concrete building that housed several generations of tenants prior to their occupancy. For their new corporate home, Keyence desired an open-ceiling plan to maximize the ceiling height and […]

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Keyence Corporation – Folding Partitions Support Steel

Executive Construction collaborated with key trade partners to solve logistical challenges, thus saving time and money. Challenge The installation of support steel for folding partitions posed a unique challenge during the buildout of Keyence Corporation’s new tenant space because the partitions could not be centered on the existing columns. Working in a concrete building, coordination […]

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CNA Headquarters Relocation

Executed as a joint venture partnership of Turner/Executive Construction, the relocation of the CNA corporate headquarters to a new high-rise building consists of 12 floors. The 300,000-sf buildout at 151 N. Franklin includes an executive suite, conference center floor, technology hubs, and collaboration and amenity support spaces on each workspace floor. The 3rd floor also […]

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Bluebeam as BIM Substitute

BIM builds the project virtually to find problems before they happen in the field, and dramatically reduce time lost to conflicts of systems. While BIM is a very powerful and popular software, it requires a significant amount of time to properly coordinate before fabrication and installation.

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Educare of West DuPage – Exterior Wall Construction

During construction of the Educare building, Executive Construction noted condensation in the wall cavity. Educare’s exterior wall was designed for R30 and the wall construction called for 1 ½” of rigid foam insulation, which acted as its own vapor barrier.

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