Grant Park is a 327 unit residential project located in downtown Minneapolis. The plan featured a variety of structures, including a 27-story tower with 284 condominium units, 30 city homes surrounding the parking garage and 13 townhouses. The project also included parking garages under the tower and townhouses, and an enclosed, six-level garage accommodating 510 cars.

Amenities at the Grant Park development include a fitness area, spa, swimming pool, resident business office, guest rooms and club room for entertainment.

The project was built on a fast-track, designbuild basis with Opus Northwest as DesignBuilder. Opus Architects & Engineers, and Humphreys & Partners Architects provided Architectural Services.

Opus was already familiar with the advantages of using the Garage Beam System (GBS) from previous projects, so they were confident in choosing this system again. They knew that the detailed design and structural plans provided by Symons simplify formwork and reduce related concrete construction costs.

The main parking structure was designed with six levels, two of them below grade. Floor height was typically 11' from level to level, the 60' long beam sections were 18" wide x 32" high, and the typical deck panel size was 8' x 21'-4". All GBS components are easily handled with forklifts and wheeled dollies for maximum productivity. Opus used 6" x 6" shoring posts from a previous job to provide the reshoring, reducing material costs.

Aluminum Beam Gangs were used to form the foundation walls and shear walls of the tower and parking ramp. Sizes ranged from 8' wide x 12' high to 24' wide x 18' high to accommodate for the different wall heights and section widths throughout the project. Steel-Ply forms were used to accommodate areas with unique forming challenges, such as penetrations.

Steel-Ply was used to form the columns in the tower and for the city homes that surround the ramp. The foundation walls for the residential units were cut up with lots of corners, and handset Steel-Ply really worked great in this situation.

Opus owns a yard full of truss equipment acquired over the years and insists on using it on every job possible. Truss was used to form all 27 stories of the tower. The most unique situation was the lower level of the tower which consisted of forming a high-bay using Truss on top of the FrameFast shoring system. Opus was very pleased with Symons professional solution to this condition. Re-shore for the tower was provided by Opus.

Opus knew that they could count on the forming systems and detailed plans from Symons, so we were the only form supplier on site for the whole job!

Aluminum Joist or Beam Gangs

Forming | Shoring

Garage Beam System


Steel-Ply® Concrete Forming System

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