Site work and renovation of a civil project in Aubrey, Texas. Completed plans call for the renovation of a water / sewer project; and for site work for a water / sewer project.

Question Cuttoff Date & Time 2/29/2024 05:00:00 PM (CT) City reserves the right to waive irregularities and to accept or reject proposals. GENERAL DESCRIPTION OF WORK 11 The major work will consist of the following in general: 12 1. Replacement of electric motor operators on existing butterfly valves and the flow control 13 valve at the existing Raw Water Pump Station. 14 2. Replacement of electric motor operators on existing slide/sluice gates and drain valve 15 replacement at the existing two Pre-Ozone Contactors. 16 3. Replacement of basin drain plug valves, electric motor operators and telescoping valves, 17 electric motor operators and plug valves, and rehabilitation of the existing chain-and18 flight mechanisms at the existing two Flocculation/Sedimentation Basins. 19 4. Replacement of the electric motor operators and valves at the existing eight Biologically 20 Active Filters. 21 5. Replacement of the electric motor operator on the existing weir gate, replacement of the 22 electric motor operator and gate valve, and modification to the discharge header to 23 accommodate the new backwash storage tank at the existing Transfer Pump Station. 24 6. Construction of a new Variable Frequency Drive Building adjacent to the existing High 25 Service Pump Station to support the replacement of two existing 1000 HP soft starters 26 with 1000 HP Medium Voltage (4160 VAC) Adjustable Speed Drives and supporting 27 electrical improvements. 28 7. Replacement of the existing pumps, piping, and valves at the existing Washwater 29 Recover Basin. 30 8. Construction of a new ground storage tank, piping, valves, and programming to support 31 the conversion of the existing self-backwash Biologically Active Filter complex to a 32 ground storage tank support backwash system. 33 9. Replacement of the existing Chemical Containment Basin with a cast-in-place concrete 34 basin and pump station For questions regarding the 2nd Pre-Bid -Walk-Through only, please email: erica.garcia@cityofdenton.com or call 940-349-7131.