City_of_Douglas_Clarifier_Drive_SOW.docx

City of Douglas Wastewater Treatment Plant Clarifier Drive Removal, Rebuild, and Reinstallation Scope of Work

1. Project Overview This project consists of the removal, off-site rebuild, and reinstallation of the existing clarifier drive at the City of Douglas Wastewater Treatment Plant (WWTP). Work includes providing structural support for clarifier components, performing safe disassembly, transporting the drive to a qualified facility, completing a full rebuild, reinstalling the refurbished unit, conducting testing and verification, and completing final site cleanup.

2. Contractor Responsibilities The Contractor shall provide all labor, materials, tools, equipment, transportation, and supervision necessary to complete the clarifier drive removal, rebuild, and reinstallation. Responsibilities include: - Ensuring full compliance with OSHA requirements and manufacturer recommendations. - Coordinating all work with WWTP personnel. - Providing certified rigging and crane operators. - Protecting all existing structures, equipment, and utilities throughout the project. - Maintaining a clean, organized, and safe work area. - Providing documentation, inspection results, and rebuild/test reports.

3. Bid Bond Requirement

· All bidders shall submit a 5% Bid Bond with their proposal.

· The bond must be issued by a surety company licensed to operate in the State of Georgia.

· Failure to include the required bid bond will result in the bid being deemed non-responsive.

4. Support Clarifier Arms

· Install adequate temporary supports to ensure the structural stability of the clarifier arms during the removal and reinstallation process.

· Confirm all supports are safe and secure before beginning disassembly.

5. Disassemble Clarifier Bridge

· Remove and safely set aside the bridge structure above the clarifier drive.

· Protect all removed components from damage during handling, storage, and reinstallation.

6. Disconnect Clarifier Drive

· Unbolt and disconnect the clarifier drive from the bridge structure and mechanical connection points.

· Protect all exposed electrical and mechanical interfaces from damage.

7. Crane and Rigging Services

· Provide certified crane and rigging services necessary for safe removal and reinstallation of the clarifier drive.

· Conduct all lifting operations in accordance with OSHA and manufacturer guidelines.

8. Remove Existing Drive

· Lift and remove the existing Evoqua H40 clarifier drive.

· Secure the unit for transport to the approved rebuild facility.

9. Transport and Rebuild

· Transport the clarifier drive to a qualified repair facility.

· Perform a complete inspection, rebuild, and replacement of worn or damaged components.

· Provide a full rebuild report, including test results and replaced parts.

10. Reinstallation of Rebuilt Drive

· Return the rebuilt clarifier drive to the WWTP.

· Reinstall according to manufacturer specifications and industry standards.

· Reconnect all mechanical and electrical systems.

· Perform initial startup checks and verify proper operation.

11. Final Inspection and Testing

· Conduct operational testing in coordination with WWTP staff.

· Verify proper torque, rotation, lubrication, alarms, and control functionality.

· Make any necessary adjustments to ensure full operational performance.

12. Site Cleanup

· Remove all tools, materials, debris, and equipment from the site.

· Restore the work area to its original condition.

FY26 City of Douglas Wastewater Treatment Plant Clarifier Drive Removal, Rebuild, and Reinstallation