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Garage fix will cost Tampa International Airport nearly $2M

A concrete column that sank 3 inches during construction of a parking garage at Tampa International Airport will cost nearly $2-million to fix.

An underground pylon beneath the column slipped in October. Officials blamed fissures in lime rock holding the pylon in place 125 feet below the surface. Ground borings didn't reveal the unstable section of rock before construction, said James Jones, the airport's engineering director.

Repairs won't delay opening the 5,600-space economy garage's last phase in May. The first section was completed in time for the Thanksgiving travel rush.

The fix is expensive because work on the six-story structure was far along when workers discovered the problem. Crews can't use large machinery in the confined area of the garage's first floor, Jones said. "There's no headroom," he said.

Contractors will pour a 6-foot-thick concrete foundation anchored by steel pilings beneath the column, which will be reinforced with an extra foot of concrete. Cracks in a support beam caused when the column shifted will be injected with epoxy.

The airport's governing board awarded a $60-million contract for the new garage in January 2008. Column repairs and other additional costs have added $3.3-million to the final cost.

Steve Huettel can be reached at huettel@sptimes.com or (813) 226-3384.

Garage fix will cost Tampa International Airport nearly $2M 01/08/09 [Last modified: Thursday, January 8, 2009 10:51pm]

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