W ater Purification Plant T ank Anchoring Project Project: FTW #10937 General Contractor: Ottenweller Contracting, LLC Architect/Structural Engineer: Arcadis U.S., Inc. Geotechnical Engineer: Alt & Witzig Engineering, Inc. Location: Ft. Wayne, Indiana The City of Fort Wayne was improving their water purification plant. This included retrofitting an existing tank with aeration equipment. Additionally, as the existing tank resides in a flood plain, there was significant risk of the tank becoming buoyant and floating. The underground concrete tank was 17’ deep. This presented some unique challenges for operations. Safety planning and management were paramount to the project success. Ladders were used for personnel entry & exit. All tools, heavy equipment and mater

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