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South Tower Improvements <br />Memorandum <br />December 11, 2023 <br />Page 4 <br />3 - Replace the existing obstruction light on the top of the tower with a new LED light and increase the height of <br />the light to 10-ft above the tower roof and above the tallest antenna (Photo 3). <br />Photo 3 — Obstruction Light to be replaced (Photo by BSI) <br />Spot Repairs to Interior Wet Coating <br />The interior wet area coating is currently in fair to good condition. The coating is now 10 years old, and because <br />of its age is considered repairable. There are coating failures on the following surfaces that are included for repair: <br />• Roof over lapped plate seams and rafters <br />• Painter's T-Rails <br />• Top shell course <br />• Drywell tube, an approximate 5-foot band around the tube located around 30' from the floor <br />• Approximately 200 minor coating failures <br />The defective areas (rusted spots) will be spot blasted and coated with a new zinc primer and a 2-coat epoxy <br />system. <br />7 <br />