City Center Marriott Hotel

Project Details


Design-Build (Structural Shell), Precast Supplier

Off-Site Construction: Simplified Solutions and Less Risk for Urban Vertical Projects

Executive Summary

Webb Companies, developer of the City Center project in the heart of downtown Lexington, Kentucky, had faced multiple obstacles that delayed the high-visibility project for several years. Once project financing was approved and tenants secured, the developers intended to partner with a large national construction firm to use conventional building methods, including cast-in-place concrete, to construct the Marriott and Residence Inn Hotels that anchor the development. When it became clear that this approach would not meet the project deadlines, Webb Companies sought other options. Bristol Group studied the project, which included a pre-existing parking garage foundation, and offered an alternate solution for moving the project forward. Time was of the essence and public expectations were high.

The project confronted several serious challenges, including a design cycle slowed by changing design standards. Marriott Hotels had recently upgraded their design standards, requiring substantial architectural redesign of the City Center project. While the architectural design was being revised, Webb Companies knew they needed to find an alternative construction method that would allow the project to get started and stay on schedule.

These design changes were coupled with the risks inherent to a conventional construction approach, creating substantial uncertainty in the project budget and construction schedule. Conventional construction methods are subject to weather delays, increasing risk for project owners. The critical labor shortage facing all companies in the construction sector further increased project risk.

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Bristol Group offered a design-build solution for the hotels’ structural shells that met the required design standards and was compatible with the pre-existing project foundation. While architectural revisions were being completed, Bristol Group was able to initiate construction of the structural shells using off-site construction methods. Structural members were manufactured even before architectural design was completed.

The company utilized its own precast concrete sheer walls and out-sourced hollow-core floor planks, pairing them with a pre-manufactured composite steel structural frame that provided a unique slim floor system. All the structural members were manufactured off-site and assembled on-site in the construction of the hotel structural shells. Every piece was subjected to rigorous engineering and design standards, facilitating faster and simplified assembly on the construction site.

• 1,025 steel columns and beams
• 2,848 precast hollow-core floor planks
• 2,800 precast concrete shear walls and solid slabs
• 131 precast staircase pieces

The Bristol Group off-site construction solution for the City Center hotels enabled the project developers to minimize their risk, meet their construction schedule with 1/3 the labor force and save 10% off the budgeted cost of the structural shells. Bristol Group completed the structural shells four months faster, with substantially less labor and at lower costs that what would have been required by a conventional construction approach. The engineered solutions inherent to our off-site construction can work for your next urban-vertical project as well, and Bristol Group is ready for it.

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