Construction has begun on another phase of the Parklands of Floyds Fork, the nearly 4,000 acre park system under development in eastern and southeastern Louisville.Ground was broken today on a section that will include a half-mile, tree-lined walk called the Humana Grand Allee . It’s being funded with an $8 million donation from Humana and its employees.The Parklands’ Scott Martin says this is the third of the project’s four major phases along the Floyds Fork watershed."Once we finish with phase three, we will move on to phase four. We are on schedule to wrap up the entire four thousand acre project by 2015," he said. Martin says the Parklands of Floyds Fork is close to reaching its $113 million fundraising goal. The project was launched by the family of Humana founder David Jones.