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Egmont Channel Range Rebuild

This project was set forth by Appledore Marine Engineering to design a marine structure exposed to various environmental conditions. The Egmont Channel Range Rebuild Project is located in St. Petersburg Florida. Both range lights (the front and the rear) help guide ships into one of Florida's largest ports at over 5,000 acres, handling over 37 million tons of cargo a year. The Egmont Channel is the only entrance into the Tampa Bay Port from the Gulf of Mexico. Both range lights act as critical guides when aligned to guide the vessel into the port. The range light rebuild consisted of designing a rear and front range light with a 50-year design life with little to no maintenance and a 100-year return period for wave and wind loads. The front range light was constructed in 1990 as a prefabricated steel jacket structure located 2 miles offshore. The base of the structure is 10 feet below the water level with a focal height of 30 feet. The rear range light is also a prefabricated steel jacket structure located 300 yards offshore. The rear light sits in a water depth of 15 feet with a focal height of 115 feet. Both structures are severely corroded and need to be replaced and the rear structure fell over during the 2017 hurricane season and is sitting on the bed of the ocean. The goal is to successfully design and model two range lights that meet the design criteria by analyzing the various forces that could be applied at one time and modeling how the design will behave under such conditions.

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