WWTP Rehabilitation Project Update for January 14, 2019
The Sewerage Agency of Southern Marin launched their 2-year, $20 million Waste Water Treatment Plant (WWTP) rehabilitation project in April 2018. Improvements include infrastructure modernization, increased reliability and efficiency, electrical upgrades, and odor reduction. The project is now 63% complete.
Construction work continues to progress on schedule and on budget. Starting in February, work crews will perform the following:
- Equipment testing
- A 6-week seeding process
- Commissioning the new odor control system.
Planned work scheduled in 2019 includes the replacement of:
- Trickling Filter #1
- Primary Clarifiers #3 & #4 Improvements
- Emergency Generators Replacement
- Paint interior walls
- A new Motor Control Center located within the Headworks Building to distribute power to Primary Clarifiers #1-#4
- The replacement of outdoor lighting with energy efficient LED fixtures
- Main Electrical Switchgear Improvements (pending funds availability)
- Secondary Clarifiers #1 & #2 Improvements (pending funds availability)
Summary of Major Project & Equipment Replacement Activities Completed in 2018:
- Concrete repairs plus a special polyurethane coating to Wet Wells #1 & #2, Pista Grit Chamber, and Influent Channels #1 & #2.
- The mechanical equipment replacement of Screen Bar #1 & #2, Grit piping and pumps #1 & #2, Grit Classifier, Conveyor Belt System, and Sump Pumps #1 & #2, and four large sluice gate replacements.
- Trickling Filter #2 was replaced and placed in operation.
- The associated piping system for Primary Clarifiers #1-4, plus mechanical gears, rails, chain, flights, scum trough, and three-water piping to Primary Clarifiers #1 and #2.
- Phase A and B installation of Motor Control Center (MCC-2) which distributes power to the various process equipment within the Headworks Building
- Installed a 4,000 gallon above-ground storage diesel fuel tank, piping, and leak detection system for the emergency generators.
- Commissioning of Motor Control Center (MCC-2)
Learn more here.
Odor Control Facility from Inside
Odor Control Facility from outside
Areas of Major Rehabilitation. Click here to enlarge.