Concrete slab work is straight forward as long as you have surface preparation, a consistent uniform product mix, uniform depth, and no geometric weirdness (that's differential shrinkage, stress concentration, improper framework, inadequate control joints, and worst of all, soil movement under the slab). Unless everything is a uniform square or rectangle, you're going to have issues.
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So.... Comcast should've picked a different chunk of land to build the park on?