BID#2025-015 - GRANULAR ACTIVATED CARBON SYSTEM REPAIRS AT THE SEAMAN ROAD STATION

The work to be completed under this contract includes, but may not be limited to, the following repairs to an existing granular activated carbon adsorption system, as shown on the Contract Drawings, specified herein and asrequired for a complete installation.
1. Furnishing and installing temporary facilities andutilities in accordance with projectspecifications.
2. Inspection of the interior of the existing GAC vessels by the GAC vessel manufacturer after the existing carbon media has been removed.
3. Pressure testing of existing piping and GAC vessels.
4. Replacement of all valves/piping and mounting hardware on the valve tree with new valves/piping.
5. Replacement of all distributors on the internal cone of each vessel.
6. Replacement of all rubber expansion joints on the process piping of each vessel.
7. Replacement of rupture disks.
8. Replacement of pressure gauges and differential pressure gauges.
9. Replacement of all existing carbon media with new virgin bituminous carbon media in accordance with Specifications.
10. Manual removal of existing carbon media, if carbon media cannot be removed via conventional methods as
specified and as required and directed by the Engineer in writing.
11. Surface prepare, clean and coat the vessel interiors as recommended by the manufacturer if required after manufacturer's inspection.
12. Repairs to existing GAC vessels as required by the specifications and the manufacturer's inspection report.
13. Flush, disinfect, and test the existing GAC vessels and all new piping in compliance with Nassau CountyDepartment of Health (NCDH) Requirements.
14. Obtain and run all laboratory samples through NYSELAP certified laboratory.
15. Start-up, commissioning, testing, adjusting and training of the Owner and Owner's staff.
16. Prepare and maintain a Construction Schedule andConstruction Coordination Drawings in accordance with the specifications.
17. Submission of Operation and Maintenance Manuals, As-Built Drawings, Warranty's and Guarantees and all other project closeout Documents.
18. Coordination of all subcontractors.
19. Removal of temporary facilities as required andshown, and site restoration as shown and called forin the contract drawings and as specified herein.
20. Clean the work areas and restore the site to proposed grades and conditions shown or as required for complete installation.
B. All components, appurtenances, accessories, pipes, valves, conduit required for a complete and operational system shall be included in the work of this contract to provide a complete installation for startup, commissioning, training and be ready to be placed into
service upon receipt of approvals from Nassau County Department of Health (NCDH) and New York State
Department of Health (NYSDOH).