Naval Base Emergency Repair Hangars

Extensive corrosion and cracking in cantilever mast systems required immediate structural repairs at Hangars 553 and 323 at Point Mugu Naval Base. Cannon conducted field investigations, documented deteriorated connections, and reviewed ultrasonic non-destructive testing data to confirm repair needs. Our team evaluated a shoring-based approach and identified major constructability and operational impacts, including excessive deflection and the need for hydraulic repositioning. To keep hangar bays operational during construction, Cannon developed an innovative bypass structural system capable of carrying full mast loads while corroded connection plates were removed and replaced. This solution eliminated reliance on disruptive temporary shoring and provided a practical installation sequence. Cannon delivered evaluation, analysis, repair design, construction drawings, calculations, and construction administration services for both sites.