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MARCH 2015 \ BUILDING DIALOGUE \ 59
cables are pulled and the slab is raised by
the embedded lifting mechanisms 6 inch-
es to 10 inches, depending on the soil swell
potential. The building is then constructed
directly on the structural slab.
The advantages of this system include:
• Elimination of the crawlspace;
• A shallower floor thickness;
• A reduction in the number of piers;
• Future adjustability of the floor; and
• The end of the “floating slab!”
This system provides a main-level com-
mercial floor that will not move due to
supporting soil heave. Storefront doors
scraping on floating slab floors are no
longer an issue. The cost of this system is
cheaper than conventional pier-and-grade
beam systems and most overexcavation
schemes. While Colorado Foundation
Solutions is the sole provider of the lifting
mechanisms for this patented floor/foun-
dation system in Colorado, any adequately
trained crew can install the slab. And any
structural engineer familiar with two-way
flat slab post-tensioning systems can pro-
vide the design. \\
TRENDS in Floor Construction
This new slab system is ideal for Colorado’s sensitive soil.
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