This paper presents the technical, logistical, and scheduling challenges encountered to complete the demolition and ring replacement on a Natural Draft Cooling Tower during a 49 day outage. Works included pre-assembly and placement of sixty-four (64) pultruded structural fiberglass modules complete with a two level fire protection system. More than 150 workers logged 94,000 man-hours with zero safety incidents, completing the scope of work two (2) days ahead of schedule, thus allowing early plant restart and commissioning. The completed tower provides PPL Montour additional generation capacity while distributing 261,000 gpm, is 45 feet (13.7 m) high and over 400 feet (121.9 m) in diameter.
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