Marine Services

/Marine Services

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|

Water Utility Concrete Restoration

Water Intake & Processing Facility with Structural Deterioration Underwater Concrete and Grout Placement (Water Utility – applicable to any industry with concrete water retaining structure) UCC recently performed a complicated repair project at facility serving over three million people consuming one billion gallons of water per day.  After years of immersion, [...]

2018-01-18T21:37:19+00:00January 5th, 2015|

Dam Spillway Gate Sill Plate Replacement

An underwater inspection was performed determining that a sill plate was deteriorated beyond repair and then confirmed by engineering review. Using hydraulic underwater cutting equipment the old sill plate and concrete was carefully removed. Concrete forms were fabricated and installed underwater allowing UCC to place new concrete. Installation consisted of [...]

2018-05-24T20:33:49+00:00January 4th, 2015|

Dam Spillway Apron Repair

Underwater inspections determined that 19 of 24 spillway block sections were subjected to years of erosion. UCC provided skilled divers and specialized underwater tooling to remove the damaged concrete. The substandard rebar was removed using an exothermic cutting torch and new rebar matting was installed as required by engineering specification. [...]

2018-05-24T20:34:11+00:00January 3rd, 2015|