Filter Underdrain Replacement Project RFP
Posted
Oct 9, 2026
Nov 13, 2026
Filter underdrain replacement project. Work consists of removal of existing granular activated carbon (GAC) and sand media, demolition of existing underdrains and appurtenances, demolition and abandonment of existing air scour piping, and the installation of new stainless steel underdrain lateral systems and appurtenances, modification and installation of new air scour piping, installation of new concrete filter modifications, and installation of new GAC and sand media.

