Texas
Filtered Water Tank
Scope/Solutions
The 40 ft dia. filtered water tank at a nuclear power plant was leaking. After assessing the steel tanks’s condition, the plant operator identified interior corrosion, small holes, and areas with steel section loss, and decided to undertake a project to repair the deterioration. SGH supported the design-build contractor for the remedial work by designing carbon fiber-reinforced polymer (CFRP) repairs.
SGH designed a watertight CFRP liner for the floor and bottom 2 ft of the tank, and a corrosion protection CFRP laminate for the tank wall. Highlights of our work include:
- Performing finite element analyses to determine the stresses and strains in the steel tank considering:
- Steel section loss due to corrosion
- A loss of support if the 1 in. layer of sand between the tank floor and concrete foundation washes away
- Developing CFRP repairs based on the AWWA Standard C305
- Preparing design drawings and specifications for the CFRP repair work
- Submitting calculations documenting our design and the associated assumptions
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Project Summary
2022
Completion Date
Solutions
Repair & Rehabilitation
Services
Advanced Analysis | Structures
Markets
Energy
Client(s)
Structural Technologies LLC
Specialized Capabilities
Repair & Strengthening | Nuclear | Computational Mechanics
Key team members
Additional Projects
South
Comanche Peak Nuclear Power Plant, Units 3 & 4
SGH designed Seismic Category I structures at the Comanche Peak nuclear facility for preparation of Combined Operating License Application. SGH analyzed the original structural configuration and seismic input, and reanalyzed and designed them four years later with revised geometry and loading.
South
Golden Triangle Polymers Project
CPChem engaged SGH to perform a third-party engineering evaluation of structural steel and foundation bulk quantities, including reinforced concrete and piles to identify opportunities for reducing material quantities in the EPC contractor’s design of the ethane cracker.