Specifications include, but are not limited to: The construction of these two rain gardens includes minor drainage work to allow for an outlet structure on rain garden #2 and final component is the installation of fencing to provide protection and safety and planting of vegetation. The first rain garden is approximately 1, 500 square feet to treat run-off from impervious surface of the playground and basketball courts (portion), the rain garden is designed to be 18” deep with a stone overflow spill way. The second rain garden is approximately 1,500 square feet to treat the remaining ¼ of the basketball courts, this will also be 18” deep to capture a 1” rainfall event. Last, the raising of the catch basin with a riser to an existing drainage system will serve as an outlet control structure.