Entergy—Grand Gulf Nuclear Generating Station

APTIM provides best-in-class maintenance, modification and construction services to Entergy at the Grand Gulf Nuclear Station, located near Port Gibson, Mississippi. The station is a single-unit GE BWR-6 MARK III boiling water reactor, generating 1,250 MW of electricity. The plant has a 520-foot natural draft cooling tower. The scope of services include modification and supplemental maintenance services, and capital projects.

Staff/Craft Levels: 4/600—Outage  1/40—Non-Outage

Representative tasks include:

• Snubber testing and installation
• ISI support
• Electrical modifications
• Piping modifications
• Civil modifications
• Operate polar crane and turbine gantry crane
• Cooling tower maintenance and repair
• Plant painting
• Scaffold support
• Plant chiller replacement/ modifications
• Suppression pool platform installation
• Suppression pool suction strainer installation

APTIM provides maintenance and modification services to the Entergy North and South nuclear fleets, including Grand Gulf Nuclear Generating Station. APTIM enjoys a successful relationship with Entergy, a strategic account. We have supported numerous refuel outages and forced outages over the past several years. APTIM utilizes mixed craft for certain tasks to maintain a diverse workforce for possible emergent work. We also move core group craft employees from site to site to support refueling outages and forced outages.