Typically
any project involving a university and a sports facility has a
very condensed construction schedule. This was especially true
of the new Plaster Sports Complex project at Southwest Missouri
State University. The university was in the process of expanding
its football program, and in need of an up-to-date facility. The
only downside was the time element. The stadium project, once
started, had to be completed before football season began. The
other challenge was that this new addition had to be constructed
up and over the existing facility, which had served the university
since 1941. With a need for speed and a cantilevered riser design,
precast concrete became the best solution.
The slightly
curved riser deck was accomplished by using 16 sets of riser beams,
with a single tee riser section. This deck was built over a precast
structure that houses all of the support facilities for a stadium,
plus racquetball courts, locker rooms, and a state-of-the-art
fitness center. The structure includes over 60,000 square feet
of double tee decks and 10,000 square feet of untopped double
tee ramps. The stair and elevator towers are also precast concrete,
and support the skyboxes and media use areas of the stadium as
well. The exposed wall panels and towers, as well as the riser
fascias, have a sandblasted limestone aggregate finish, which
has been used extensively around the campus.
As stated,
the true challenge on this project was schedule. Prestressed Casting
Co. was given a contract in mid April, with the stipulation that
the precast be complete by August 19th. The only way to accomplish
this was to increment the design and production to match the construction
sequence. The project was designed and submitted in stages, which
allowed us to cast the products that we needed first, even before
the design drawings for the remainder of the project were complete.
This type of incremented design required very close coordination
with both the design architect and the general contractor. Casting
of product started in mid May, with erection of precast products
starting June 20th. We completed erection in mid August, finishing
3 days ahead of schedule.
The stadium
opened on time due to the hard work of the entire construction
team. However it would not have been possible without the timesaving,
and structural advantages of framing with precast concrete.