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Dam Stilling Basin Repair

In November 2020, Underwater Construction Corporation (UCC) was contracted by a hydroelectric utility to conduct repairs to a dam’s stilling basin.  Previous inspections had identified areas of spalling and exposed concrete reinforcement.  Additionally, a section of baffle blocks had become dislodged and swept downstream during a high-water event.   To [...]

2022-01-26T22:05:46+00:00October 6th, 2021|

Midwest Nuclear Station Water Intake Structure Repair

In the spring of 2013 Underwater Construction Corporation (UCC) worked with a Midwest nuclear station to develop a repair plan for the sites raw water intake structure. In July 2013 the formal award was given whereby the mobilization of UCC’s crew and work vessel the “Salvor” began. The intake crib [...]

2021-11-15T21:59:47+00:00April 1st, 2015|

Standby Service Water Basins – Roof Slab Cracking

Underwater Coating Application to Seal Cracks (Nuclear Power Project – applicable to any industry with concrete infrastructure) The concrete roof slabs of SSW Basins A and B demonstrated full thickness cracking of the concrete slab covering a large portion of each basin.  The roof slab extends below the water line [...]

2018-01-18T21:25:35+00:00February 25th, 2015|