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Bidjugde
JOB
(CMAR) Southeast Water Reclamation Plant Process Improvements
BID DATE
11/10/22 - 8:00
AGENCY
Mesa
ESTIMATE
$5,000,000
SCOPE
Project CP0953SE01 - SEWRP Process Improvements: SEWRP Rehabilitate Tertiary Filter Units • Replace media and underdrains • Replace underdrains with larger porous plates. • Recap bridge rails and upgrade traveling bridge assemblies. • Replace wash water pumps, back wash pumps, and skimmer pumps and update associated electrical equipment, as needed Mixed Liquor Return (MLR) Pump Improvements • Replace existing Mixed Liquor Pumps with larger capacity pumps and add redundant spare. • This project may include upgrades for the electrical or a new structure to house new VFDs. Nutrient Removal and Process Control improvements • Install new analyzers, with associated pumps and piping, and connect to process control system. Primary Sedimentation Basin Sludge Collector Guide Rail Replacement • Remove and replace the guiderail. • Repair submerged elements, as necessary Secondary Clarifiers 2 and 3 Drive Replacement • Replace the existing drive mechanisms. Foul Air System Improvement • Improvements to the grit disposal channel. • Replace blast gates at primary clarifiers. • Install clean out ports. Primary Influent and Effluent Wetwell Recoating and Primary Clarifier Lining Repair • Repair T-locks liners Project CP0953SE05 - SEWRP Blower Building Air Intake Cooling: Blower Building Air Intake Cooling • Modify air intake system to decrease intake air temperature. • Modify blower building to improve efficiency. Project CP0953SE10 - SEWRP EIC Upgrades and Replacement: Upgrade/Replace the EIC System • Replace aged EIC equipment (I/Os, PLCs, etc.) plantwide, as necessary • Update MCCs, switchgear, and generator electronics, as needed • Add Uninterruptible Power System to the blower building to enhance the operational reliability donna.horn@mesaaz.gov Engineering-RFQ@mesaaz.gov
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