Fossil Plant Decommissioning

By | November 18th, 2016|Fossil|

In early 2016 a Michigan Utility contracted UCC to provide consultation for a planned decommission of a fossil fuel power generation plant. UCC assisted with project planning, construction methodology and system condition assessments to ensure a successful project. In May of 2016 all eight coal fueled units were taken offline after 76 years of operation [...]

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Leak Inspection & Repair

By | April 6th, 2015|Vessel Maintenance|

Barge Hull Underwater Coating Application to Seal hull leaks (Ship Husbandry Project – applicable to Ship Husbandry) On June 24, 1998, divers from Underwater Construction Contractors performed an underwater video and ultrasonic thickness inspection of a water intake barge located on Florida’s Hiwassee River. The ultrasonic inspection of the hull revealed plate thickness ranging between 0.360 [...]

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Power Plant Intake Underwater Structure Repair

By | April 6th, 2015|Marine Services|

UCC performed an inspection on the raw water intake structures of a power generation facility. Findings revealed that 75% of the structure cap and support members underneath the cap had collapsed over the winter. While final repair drawings were being developed UCC performed emergent repairs starting with the removal of damaged areas. Six underwater welders [...]

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Mooring Cell Repairs

By | April 6th, 2015|Marine Services|

In the summer of 2012, UCC was contracted to perform turnkey mooring cell repairs for a large fossil fuel plant on the Ohio River. A team of topside and underwater welder fabricators repaired 12 mooring cells that were 16’ in diameter. The repairs ranged from small patch work to installing new rolled plating around the entire [...]

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Fish Barrier Net Project

By | April 6th, 2015|Marine Services|

Preservation of Aquatic Life Installation of a fish barrier net for a large hydroelectric facility in the midwest to restrict the aquatic life from entering the generating turbines of the facility. UCC has installed and maintained the deepest and longest barrier nets in the country. Impingement & Entrainment Sevices (In compliance with 316B) Aquatic Barrier [...]

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Midwest nuclear station water intake structure repair

By | April 1st, 2015|Nuclear|

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 located in one of the [...]

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Drinking Water Sediment Removal

By | March 31st, 2015|Marine Services|

An eight-municipality Water Treatment Facility in North East USA required UCC’s Specialized Drinking Water Dive Services. Scope of work included tank floor cleaning, pipe repair, sediment removal and structural inspection. The work was performed within a nine million gallon underground storage tank utilizing decontamination protocol per American Water Works Association (AWWA) guidelines. The water and [...]

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Traveling Water Screens Replacement

By | March 3rd, 2015|Marine Services|

Underwater Construction Corporation (UCC) successfully completed another Traveling Water Screen (TWS) project at a Southeast Nuclear Power Plant. UCC performed the removal and replacement of the six original TWS’s that were installed in the 1970’s. After removal the pits were cleaned and the old grout removed from under the screens. The first three TWS’s were [...]

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Winter Deep Water Diving

By | February 27th, 2015|Hydro|

During the winter of 2012 UCC Midwest Division was contracted to perform a deep water diving inspection for a hydroelectric facility in the Northern Midwest. One of UCC’s double lock chambers and deep water diving oversight was provided onsite to increase the safety of the dive. Multiple dives were required to assess the structure and [...]

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Standby Service Water Basins – Roof Slab Cracking

By | February 25th, 2015|Nuclear|

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 in each basin.  A previous [...]

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