The work scope includes, but is not limited to, the removal of the existing access platform with gratings around the rotary drum screen; removal, rehabilitation, and reinstallation of the rotary drum screen, along with replacing its existing base with a new galvanized steel base; removal and replacement of the garbage chute; removal and replacement of a section of the existing force main piping that conveys raw wastewater to the rotary drum screen; installation of a new box-type manual bar screen, modification and addition of guard railings, addition of platform lighting; modification and addition of piping and valves to direct raw wastewater to the new manual bar screen; adjustment to existing air diffuser header, installation of a galvanized steel platform with FRP gratings; installation of a galvanized steel staircase; removal of section of the existing galvanized steel gratings and replacement with FRP gratings over the influent channel; addition of a dumpster drain pad with a drain line; installation of a 6-cubic-yard dumpster with roller wheels; and replacements of gaskets on air header line, in accordance with the contract plans and specifications.
