12-01: Natural Draft Cooling Tower Ring Replacement: Unique ConstructionThis paper presents the technical, logistical and scheduling challenges encountered to complete the project during a 49 day outage, which included preassembly of sixty four (64), 15 ton pultruded structural fiberglass modules. More than 150 workers logged 94,000 man hours with zero safety incidents, (2) days ahead of schedule, allowing early plant restart and commissioning. The completed tower provides PPL additional generation capacity while