The National Precast Concrete Association's 2010 Creative Use of Precast (CUP) Awards were given to recipients during The Precast Show 2011, held in Charlotte, NC Jan. 27-29.
Light-duty precast concrete underground tanks with a cast-in-place concrete isolation slab over the top have long been used as a means to lower material cost in vehicular traffic areas and deep burial applications. This use of an isolation slab with a light-duty tank, however, introduces several problems that may adversely affect structural integrity and watertight performance.