Hydropower

Dams, Water Control Structures, & Hydropower UESI provides engineering, consulting, inspection, maintenance and construction services to customers nationwide. Our services cover assets located both above and below the water and support operating plants and dams undergoing decommissioning. We have the capabilities to respond rapidly to emergent work, perform large scale projects, and support multi-year service contracts.dampower UESI provides multi-disciplined consulting and engineering services. We are able to address a wide range of challenges facing the hydropower industry. Our resources include engineers, consultants, diver/inspectors, and marine construction specialists to address issues both above and below the water. UESI inspection programs comprehensively assess a structure and its operating components. Data can then be combined to address regulatory issues and create a comprehensive maintenance plan, if necessary. Inspection plans are developed in cooperation with the Licensee so that they are specific to the needs of the facility. Inspection services include:dampower2

  • Mechanical & structural inspection
  • Concrete and steel inspection
  • Underwater inspection
  • Scour assessment
  • Inlet/Outlet works, penstock & tunnel inspection
  • Sonar-enhanced inspection
  • Coating & corrosion inspection
  • Weld inspection
  • Leak detection
  • FERC Part 12 inspection support

UESI has extensive experience in performing repair and maintenance work on concrete structures. With our in-house engineering capability, we are able to address the design/build needs of complex repair or maintenance requirements. With our highly skilled dive teams, these services are easily extended to underwater areas. Our repair, maintenance, and marine construction services include:

  • Debris, sludge and sediment removal
  • Concrete repair and leak sealing
  • Epoxy and chemical grout injection
  • Head gate adjustment and repair
  • Weld repair of carbon and stainless steel
  • Certified underwater coatings application
  • Underwater leak detection, and repair
  • Scour protection & remediation
  • Penetrations & deep diving
  • CP installation
  • Concrete restoration
  • Grout & epoxy injection
  • Concrete placement by tremie or pumping
  • Leak & spall repair
  • Apron repair
  • Pump, pipe & cable installation
  • Erosion control and mitigation
  • Bulkhead, pier & pile rehabilitation
  • Gate installation and underwater rehabilitation
  • Membrane installation
  • Gates & guides – sills & seals
  • Shafts & linkage
  • Trash racks & stop logs
  • Valve repair & replacement