Specifications include, but are not limited to: The major work will consist of the (approximate) following: 1. Replacement of electric motor operators on existing butterfly valves and the flow control valve at the existing Raw Water Pump Station. 2. Replacement of electric motor operators on existing slide/sluice gates and drain valve replacement at the existing two Pre-Ozone Contactors. 3. Replacement of basin drain plug valves, electric motor operators and telescoping valves, electric motor operators and plug valves, and rehabilitation of the existing chain-and flight mechanisms at the existing two Flocculation/Sedimentation Basins. 4. Replacement of the electric motor operators and valves at the existing eight Biologically Active Filters. 5. Replacement of the electric motor operator on the existing weir gate, replacement of the electric motor operator and gate valve, and modification to the discharge header to accommodate the new backwash storage tank at the existing Transfer Pump Station. 6. Construction of a new Variable Frequency Drive Building adjacent to the existing High Service Pump Station to support the replacement of two existing 1000 HP soft starters with 1000 HP Medium Voltage (4160 VAC) Adjustable Speed Drives and supporting electrical improvements.
