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Building with Tilt-Up | Project Profiles

CitiMortgage Operations Center

TCA Tilt-Up Project Profile - Office Division

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The largest construction project in St. Louis in several years, the 515,000-square-foot CitiMortgage Operations Center combined four different venues into one location. Tilt-Up enabled the design-build team to meet the aggressive schedule and aesthetic requirements.

The judges said they selected the project for an award because it is simply well-designed.

A particularly rainy spring in St. Louis caused the project to fall 40 days behind schedule. However, by utilizing Tilt-Up and design-build, the contractor was able to not only get back on schedule, but actually finish ahead of schedule.

The three-story building will house up to 5,000 Citigroup employees and was constructed so that additional wings could be added to accommodate personnel growth. This modern facility offers many employee benefits, including a full-service cafeteria, exercise facility, open floor plans with perimeter window views, convenient highway access, exterior amenities patio and indirect lighting at all open office areas to reduce glare on a computer screen.

The color and texture of the thin brick system, coupled with the landscaping, lighting and store wall that surrounds the facility, provide a corporate feel that is suitable for the suburban environment.


Project Specifics

Project Floor Area
515,000 sq ft
(47,844 sq m)
Tallest Panel
68 ft 7 in
(20.92 m)
Largest Panel
1,445 sq ft
(134.2 sq m)
Heaviest Panel
167,000 lbs
(75,750 kg)

Participating TCA Members

General contractor, Tilt-Up contractor
Alper Audi, Inc.
Project engineer
Scott System, Inc.
Cast-in materials
Nox-Crete Products GroupSustaining Member icon
Bond breaker
Meadow BurkeSustaining Member icon
Lifting hardware

About the TCA

Founded in 1986, the Tilt-Up Concrete Association (TCA) strives to improve the quality and acceptance of site-cast Tilt-Up construction, a method in which concrete wall panels are cast on-site and tilted into place. Tilt-Up construction is one of the fastest growing industries in the United States, combining the advantages of reasonable cost with low maintenance, durability, speed of construction and minimal capital investment. At least 10,000 buildings, enclosing more than 650 million square feet, are constructed each year using this construction method.

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