Renovation of a water / sewer project in Atlanta, Georgia. Working plans call for the renovation of a water / sewer project.

**As of February, 2021 this project has not been re-solicited or Awarded. currently seeking updates on the status of this project.** SCOPE: The project provides upgrade and operational improvements to the East Area Water Quality Control Facility (EA WQCF). The improvements consist of the following: A. Sedimentation basin modifications, including new sludge pumps, and new instrumentation; 1. Demolish the existing 8-inch sludge piping where it leaves the existing building. 2. Remove the existing sludge cross collectors, including the collector drive units and appurtenances from the existing settling basins (2 basins). 3. Reconfigure the existing sludge cross collector trough, as shown on the contract drawings, to accommodate the installation of eight (8) new submersible sludge pumps (4 pumps per basin), as shown and/or specified in the contract documents. 4. Furnish and install eight new submersible sludge pumps, including discharge piping and valves, guide rails, access platforms, handrails, and all other work and appurtenances shown and/or specified in the contract documents. B. Sludge handling system improvements, including sludge holding tank and solids processing pump station rehabilitation. 1. Demolish the existing clarifier mechanism, piping, handrail 2. and other appurtenant equipment in the existing sludge holding tank as shown and/or specified in the contract documents. 3. Make structural repairs to the tank as shown and/or specified in the contract documents. 4. Apply new coating system to the tank interior. 5. Install a new clarifier mechanism, including piping and valves, electrical and instrumentation work, in the existing sludge holding tank as shown and/or specified in the contract documents. 6. Install new handrail around the sludge storage tank, along the walkway, and stairs, as shown and/or specified in the contract documents. C. Existing solids processing pump station rehabilitation: 1. Demolish existing pumps, piping and electrical equipment as shown and/or specified in the contract documents. 2. Repair visible cracks in concrete floors and walls. Seal all concrete joints. 3. Clean grit and sludge from the existing piping and clean existing metal piping to remove paint. 4. Clean floor drain lines and replace all floor drains. 5. Test all existing water lines. 6. Clean the building interior and repaint all walls. 7. Repair existing hoist. 8. Install new pumps and piping. 9. Install new electrical equipment D. Sludge dewatering building with belt filter presses and all associated equipment; 1. Demolish the existing centrifuge dewatering facility and relocate/dispose of the existing equipment per owners’ requirements. 2. Furnish and install a new sludge dewatering facility, including a pre-engineered building on concrete foundations, sludge dewatering and handling equipment, chemical system, piping and valves, civil work, structural work, electrical work, plumbing work, HVAC work, instrumentation and control work, and all appurtenances as shown and/or specified in the contract documents, for a complete and workable installation. E. Install sampling equipment and instrumentation upstream and downstream of the sedimentation basins to monitor dissolved oxygen, pH and total chlorine residual. 1. Sample point No. 1 (upstream location) – install new sampling equipment and instruments, including piping and valves, electrical and instrumentation work, in the new FRP cabinet on a new concrete pad as shown and/or specified in the contract documents. 2. Sample point No. 2 (downstream location) – install new sampling equipment and instruments, including piping and valves, electrical and instrumentation work, in the filter building on a new skid as shown and/or specified in the contract documents. F. Chemical System repairs at the EA WQCF and the Custer Avenue CSCF; 1. Sodium Hypochlorite System piping and appurtenant equipment improvements (EA WQCF) as shown and or specified in the contract documents. 2. Sodium Hypochlorite Dosing and sampling point improvements (EA WQCF). 3. Sodium Bisulfite System piping and appurtenant equipment improvements (EA WQCF) as shown and or specified in the contract documents. 4. Sodium Bisulfite System piping and appurtenant equipment improvements (Custer Ave CSCF) as shown and or specified in the contract documents. G. Tunnel outfall flume repair work, including demolition of a portion of the existing structure, civil work, concrete work, and appurtenances, as shown and or specified in the contract documents. H. Sedimentation Basin Leak Repair: 1. Perform a complete leak source investigation to determine the source of the leak(s). 2. Repair the any piping and wall leaks utilizing methods approved by Engineer/City and return the existing basin structure and/or yard piping and valves, to a water-tight condition. 3. Repair any damage to existing facilities that may occur during the leak source investigation. I. Custer Avenue Tunnel Gate Repairs: 1. Stabilize the existing tunnel gate frame as shown and or specified in the contract documents. 2. Adjust the existing limit switches as shown and or specified in the contract documents.