RFB-RC-SWR-2023-04 - Sludge Thickeners Upgrade Project

The work for which bids are invited consists of furnishing and constructing is generally described as follows:
 

1. Mobilization.
2. Replacement of four (4) gravity thickener equipment including, but not limited to, mechanisms, motors, drives, catwalks, railings, and weirs.
3. Replace thickener feed piping internal to thickener tanks.
4. Replace four (4) distribution box slide gates.
5. Furnish and install ten (10) magnetic flow meters: two (2) A-Side primary sludge, two (2) A-Side secondary sludge, one (1) A-Side dilution water, two (2) B-Side primary sludge, two (2) B-Side secondary sludge, one (1) B-Side dilution water.
6. Furnish and install B-Side overflow modifications.
7. Furnish and install B-Side thickener bypass connection pipping and valving, including modifications to A-Side distribution box.
8. Furnish and install digester bypass piping and valving in the digester building.
9. Miscellaneous concrete repairs.
10. Replacement of electrical components for four (4) gravity thickeners.
11. Furnish new lighting for the thickeners.
12. Furnish instrumentation wiring for new flow meters.
13. Architectural and structural modifications.
14. Cleanup and demobilization.