1. Execute Purchase Order South Shore Water Reclamation Facility
Plate and Frame Filter Presses #1, #2, #3, & #4 Repairs
Commission Agenda Item #9

2. Plate and Frame Filter Presses
Four filter presses operated:
When other solids treatment processes are out of service
Insufficient capacity to treat total solids loadings
Filter presses have become critical for solids processing
Solids loadings increasing
Increase in maintenance outages

3. Bldg. 360-Filter Presses

4. Plate and Frame Filter Presses
Each consists of 75 plates that compress sludge to remove water
Dewatered sludge is disposed offsite
Each plate is covered with 2 filter cloths that separate solids (cake) from water (filtrate)

5. 75 Plates on Filter Press
Cloths not installed

6. Filter Press Cloth

7. Plate and Frame Filter Presses
Cloths Installed On Plates
Complete Operational Filter Press

8. Plate and Frame Filter Presses
31 years old
Cloths have become worn, resulting in:
each run taking longer
cake having more water, higher disposal costs
Staff recommends replacing filter cloths

9. Purchase Order Scope VW competitively bid two contracts
One to purchase 600 cloths;
One to remove existing and install new cloths
1 bidder on both contracts: Doral Corporation
Issue 1 PO to VW to include both contracts

10. Project Costs/Schedule
Budgeted for in 2020
VWM will manage and oversee the work
210 day duration

11. QUESTIONS?