Atch-05_WWTP List of Repairs.pdf

This document is a corrective action and repairs completion log for a wastewater treatment facility. The log details 18 corrective actions and repairs performed on various treatment system components, with completion dates ranging from December 27, 2023, to September 1, 2025.

The repairs encompass critical treatment infrastructure including tank maintenance (surge tank, aeration basin, and clarifier pump-out completed December 27, 2023), media and nozzle replacements in the tertiary filtration system (completed November 6, 2024), air diffuser system upgrades (completed September 1, 2024), and chlorination chamber structural repairs (completed September 10, 2024). Equipment replacements include aeration pumps in the surge tank (May 24, 2024), submersible pumps in the equalization chamber (November 6, 2024), mudwell and backwash pumps in the tertiary tank (November 6, 2024), and blower silencers (November 6, 2024). The facility also upgraded monitoring and control systems, including installation of automatic timer controls for blowers (October 10, 2024) and a digital analyzer system for total residual chlorine, dissolved oxygen, and pH testing (May 2, 2025). Additional work includes barscreen replacement (September 1, 2025), electrical control panel updates (May 2, 2025), power washing and protective coating of treatment chambers (September 1, 2024), metallurgy repairs, and lift pump replacement (May 2, 2025).