A cold water pumping system comprises a center tube and a cold water pipe surrounding the center tube. The cold water pipe is supported from a bottom end of the center tube and an impeller is coupled to the bottom end of the center tube. The impeller is operable to move water through the cold water pipe, wherein the cold water pipe is comprised of a plurality of segments. Each segment of the cold water pipe comprises at least two frame sections configured to be coupled together to surround the center tube and a removable skin configured to be inserted throughout the perimeter of the at least two sections.