Marine Services

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Marine Infrastructure Upgrades – Mid-Atlantic Region, USA

50 YEARS OF ENVIRONMENTAL IMPACT Fifty years of harsh marine environmental impact required the rehabilitation of the bridge pier steel casings.  Previous marine infrastructure repairs such as fiberglass jackets filled with no shrink grout or a combination of steel jackets with grout and reinforcing steel did not stand the test [...]

2022-05-12T19:41:23+00:00February 9th, 2022|

Air Diving Experience

Hydroelectric Facility   Work Scope – Head Gate Rail and Cable Tray Service    Drilling and Anchor Installations    Rock and Other Debris Removal   Air Surface Supplied Diving   Depth – 167 Feet   Number of Dives – 250   Unique Variables   Specialized Navy Dive Table and Schedule due to 2400 Feet Altitude   Surface Decompression in [...]

2022-01-26T22:05:12+00:00September 3rd, 2021|

Drinking Water Reservoir Rehabilitation

Carbon Fiber Reinforced Polymer The facility is a water reservoir built in the 1920s. Recently leaks and spalling of concrete have been observed. Composite Construction, LLC of Tucson, Arizona and its partner, Connecticut's Underwater Construction Corporation provided a solution using its propriety carbon fiber reinforced polymer concrete. This propriety system [...]

2021-04-27T22:11:15+00:00April 10th, 2021|

Power Plant Intake Underwater Structure Repair

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 [...]

2018-05-24T14:32:51+00:00April 6th, 2015|

Drinking Water Sediment Removal

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 [...]

2015-04-06T19:21:15+00:00March 31st, 2015|

Traveling Water Screens Replacement

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. [...]

2018-05-24T14:45:10+00:00March 3rd, 2015|