The purpose of this RFB is to solicit bids from qualified suppliers/manufacturers to provide information, system design, equipment specifications, and to furnish any and all new equipment required for the replacement of the four (4) existing Primary Clarifier Scum Tube Assemblies. Contracted vendor is required to install the four (4) existing Primary Clarifier Scum Tube Assemblies and connect to the existing gear box with an attachment arm. The City will provide the manpower and power equipment necessary to remove the four (4) existing Primary Clarifier Scum Tube Assemblies.