The upper reservoir storage basin at a U.S. Pumped Storage Hydropower (PSH) facility Underwater Construction Corporation (UCC) has been delivering cost effective, high strength, and corrosion resistant carbon wrap solutions since 2015. That experience and more than 53 years of commercial diving background in the power industry have added [...]
The Challenge Many municipal and private water treatment plants need to condition their incoming raw water with the removal of suspended solids materials. This task is typically performed through chemical conditioning with the addition of an approved precipitating / flocculating chemical in preparation for gravity settling of these solids. [...]
In the shadow of the Rocky statue at the Philadelphia Museum of Art, Underwater Mineral Processing Services (UMPS), an operational division of Underwater Construction Corporation (UCC), was contracted under a Philadelphia Water Works Park Amenities & Island Enhancement Project to process 2,000 gallons per minute (gpm) of hydraulically dredged [...]
The USGS figure below presents the point distribution map of Dreissena polymorpha throughout the continental US through February 2019. Figure 1: Zebra Mussel Population Estimates Non-native zebra and quagga mussels invaded the Great Lakes region in the early 1990s arriving in foreign ships’ ballast water. Some [...]
Underwater Construction Corporation recently performed crucial structural repairs and underwater corrosion protective coatings application to pilings and dock infrastructure at the TransMontaigne Terminal Dock, located on the Mississippi River in Cape Girardeau, Missouri. These pilings had weakened significantly, due to impact damage from continuous barge loading and unloading operations. The [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
