Title
Consider a resolution determining that Competitive Sealed Proposal is the delivery method which provides the best value for the Kensington Detention and Channel Improvements Project.
Body
Staff is recommending approval for this project to be a Competitive Sealed Proposal, due to the complexity of the project and the regulation requirements needed to meet all rules during construction. A Nationwide Permit 43 is being required through the U.S. Army Corps of Engineers. Staff would like the flexibility of using the Competitive Sealed Proposal delivery method of selecting the most qualified contractor available.
The goal of this project is to reduce the frequency of flooding in the vicinity of the intersection of Gattis School Road and Greenlawn Boulevard and to reduce the erosive velocities through Dry Branch Tributary 1.
The project consists of two in-line detention ponds with a combined area of approximately 19 acres. Two earthen embankments will be constructed or renovated resulting into the proposed detention ponds. An earthen berm will be constructed in the southern portion of the project and will be approximately 10 feet high and 240 feet in length. An existing berm located at the norther edge of the project will be renovated and will be approximately seven feet high and approximately 730 feet in length. A portion of an intermittent stream will be rerouted using a proposed inflow channel into the northern pond. The rerouting of the stream will result in approximately 180 linear feet of impacts to the existing stream. The berms and all other construction materials will consist of clean fill material.
Source of Funds: Other - Regional Detention