45-story, 746,600 SF mixed-use tower in the West Loop neighborhood of Chicago. The tower sits atop a 7-story podium with retail space on the ground level, 5-stories of elevated parking, and building amenities on the 7th floor. BASE analyzed and proposed cost saving measures for vertical and horizontal framing and performed an in-depth review of… Read More

BASE performed value engineering of 209,000 SF of new structural steel floor construction of a five-story podium structure wrapping around the existing Willis Tower. The new space includes tenant amenities and more than 300,000 SF of new retail, dining, and entertainment space. Our scope included review of alternate floor framing to maximize repetition of members,… Read More

Renovation of an existing 280,000 SF office building in Westmont, IL, into two separate modern office buildings with a combined area of approximately 180,000 SF. The new buildings consist of office space, indoor and outdoor amenity areas, support areas, and covered parking for approximately 80 vehicles. As the existing floors are post-tensioned, careful coordination was… Read More

This 50,000 SF addition to the original high school that opened in 1952 provides a much-needed modernization that improves school safety, security, and accessibility. The addition includes a new gymnasium, theater, concessions area, band and orchestra rooms, cafeteria, commons area, and classrooms. The design was catered to allow the school to remain open throughout construction… Read More

This 12-story multi-family residential building located in the Uptown neighborhood on the north side of Chicago is approximately 126,800 GSF and features a mix of retail spaces and resident services on the ground level, residential units on levels 2-11, and residential amenities on level 12, which include a shared indoor space and an outdoor terrace… Read More

This 33,000 SF single-story church in Algonquin, IL, includes a 500-seat sanctuary, classrooms, restrooms, office, kitchen and administrative space. The structural system consists of multiple levels of steel framed roof on steel braced frames, supported by shallow spread footings. Exterior walls are pre-fabricated and pre-insulated panels comprised of cold-formed metal studs. Walls are non-load bearing,… Read More

This 19-story mixed-use rental apartment building has ground floor retail, residential lobby and parking; its second, third and fourth levels include 245 parking stalls and apartment units on the south portion; and the fifth level has a green roof deck as well as resident amenities and apartment units. The total gross enclosed area is approximately… Read More

This competitively-won design-build, six-story, 166,000 SF bachelor enlisted quarters includes 308 sleeping/living modules that accommodates up to 616 students at Naval Station, Great Lakes, Illinois. The structural design proceeded on a fast-track basis with the foundation and superstructure completed in only three months. The structural system consists of a two-way cast-in-place concrete frame supported on… Read More

This mixed-use development is an approximately 28,000 SF property in the charming Chicago neighborhood of Old Town, home to the historic architectural landmark of St. Michael Catholic Church. The design team was tasked with incorporating the traditions of the surrounding architecture while providing the convenience and luxury of a modern hotel. The greatest design challenge… Read More

This project makes the most of a compact site by supporting a 12-story office building with an area of approximately 126,000 SF. The building has prime retail storefront on the ground floor with building services in the rear, and three levels of parking, eight levels of offices and an accessible amenity deck above. Vertical circulation… Read More