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Published on: 6/21/2004
Last Visited: 6/13/2005
Mandy Rice, Project Manager for Tampa Bay Water, says the proposed reservoir and Lake Grady are, "two very different animals."Rice says the developer of Lake Grady did a poor job constructing a dam across a stream on completely unstable land that was prone to sinkholes, unlike the site selected for the reservoir.Tampa Bay Water spent two years and $2 million conducting extensive studies, using methods like boring and ground penetrating radar, to confirm that the clay layer between the water table and the Florida aquifer is stable and consistent."We are very confident that we're not going to have any sinkholes," said Rice.Residents are also asking questions about the potential for flooding in the event of a breach in the structure or an over-capacity spill over.
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"The design exceeds many requirements for strength and safety," said Rice."The earthen embankment is very forgiving, lending itself to gradual settlement and changes, allowing ample time to catch and correct any changes before they become problems." Rice said design, monitoring and operation standards of the reservoir leave no potential for over-topping of the facility.Since the reservoir is free standing and off stream, with no contributing basins of water, the only uncontrolled water that can flow into it is rainfall.Even in the most extreme weather conditions, Rice said, "We can handle any possible storm events."Plans call for an eight-foot maximum allowable distance between the water level and the top of the embankment."Those eight feet can handle 40 inches of rain in 24 hours, and sustained winds of 110 miles per hour, conditions that have never been documented in Florida," said Rice.
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Project Manager Mandy Rice said, "The intent of the well field project is to bring needed water supplies into the Brandon and South County area, not out of it."