USS Toledo (SSN-769) - Maintenance

Maintenance

Northrop Grumman Corporation was awarded a contract from the U.S. Navy for maintenance work, known as a depot modernization period, on the nuclear-powered submarine USS Toledo (SSN 769). The initial planning contract was valued at approximately $34.7 million. The final value, including the actual execution, was $178.5 million. The ship arrived in December 2006 to Newport News, VA and the work was completed in March 2009. The project was delayed more than eight months because of more than 2,000 project changes. This was a competitive award under a Naval Sea Systems Command (NAVSEA) multiple award contract.

In July 2009 two hull cracks, including one in the pressure hull, were discovered during a routine inspection. The Navy has begun an investigation. Although the Navy and Northrop Grumman launched two investigations into welding practices at the yard while Toledo was under maintenance, the cracks do not appear to be related to welds.

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