1. Execute Purchase Order South Shore Water Reclamation Facility Grit Basins #1, #2, #3, and #7 Repairs Commission Agenda Item #6

2. SSWRF Grit Basins Grit removal Final step in preliminary treatment
Remove grit, sand and abrasive inorganics
Prevents equipment damage in primary clarification

3. SSWRF Grit Basins Seven basins Rectangular, concrete tanks
Six required to maintain plant capacity (300 MGD)
Chain and flight collection system
Collects grit from bottom of the basin
Flights are glass reinforced polyester
Chain and drive are nylon or other plastics
Severely worn and inefficient

4. Grit Basins

5. SSWRF Grit Basins
Covered Grit Basins

6. Worn and Damaged Chain and Flight
Worn sprockets
Worn and Damaged Chain and Flight

7. Contract Scope
Remove and dispose of the existing chain and flight components in Grit Basins #1, #2, #3, #7
Furnish and install 49 new glass reinforced polyester flights
Furnish and install new chain and drive components
Includes sprockets and shafts

9. Project Bid VWM competitively bid the work
Doral Corporation was lowest bidder, 2 bids received
Within budget
VWM will manage and oversee the work
365 day duration

10. QUESTIONS?
No need in this case to re-state the request.