Removal of approximately 300 feet of galvanized pipe and associated appurtenances and valves, ranging from 8" to 54". Installation of approximately 300 feet of Schedule 5 stainless steel pipe and associated appurtenances and valves, ranging from 8" to 54". Installation of air blower and approximately 150 feet of 6" Schedule 5 stainless steel air piping, with associated appurtenances and valves. Removal of filter media and demolition of concrete underdrain in 3 gravity filters, each with 2 (18x10) cells. Construction of 16-inch concrete fill in each filter cell, followed by installation of new Leopold underdrain. Installation of new filter media, consisting of 12" of sand and 18" of anthracite coal. Installation of 13 VFDs: 4 for high service pumps (40 HP), 1 for backwash pump (40 HP), 3 for low service pumps (25 HP), and 5 for well sites (30 HP). Installation of 2 new CO2 feeders and associated piping. Removal of 3-pane window in control room, to be replaced with CMU. Upgrades to the plant's SCADA and cybersecurity systems. Clean-up, start-up services, and all other miscellaneous work required, but not explicitly mentioned, as inferred from the construction contract documents.