Site work for a water / sewer project in Hamilton, Ontario. Completed plans call for site work for a water / sewer project.

Bidders eligible to submit for this Request for Tenders have been previously selected through the process of Request for Prequalifications, issued under C14-11-23 which closed on January 26, 2024. The scope of work for Dundas Wastewater Treatment Plant (WWTP) includes but is not limited to the following: 1. Repair concrete spalls, scaling and cracks on boardwalks and slabs throughout the plant; 2. Repair steel beam fireproofing in the basement of control building for Plant B; 3. Apply epoxy coating to the concrete within the ferric chemical containment area; 4. Replace the existing steel guardrail within the digester building, control buildings, and throughout Plant A with a new fiberglass reinforced plastic (FRP) guardrails that meets the current OBC requirements; 5. Install a new FRP guardrail around the plant inlet chamber; 6. Upgrade the existing aluminum railing throughout the plant to ensure it meets the OBC requirements including base plate modifications and kick plate installation; 7. Replace the four existing wooden baffles within the primary clarifier of Plant B with equivalent FRP baffles; 8. Replace the eight existing wooden baffles within the secondary clarifier of Plant B with equivalent FRP baffles; 9. Replace the entire existing wooden baffle within the grit building with an equivalent FRP baffle; 10.Replace the existing wooden baffle within the chlorine contact tank of Plant A with an equivalent FRP baffle; 11.Replace the existing handwheel actuated scum collection system within the primary clarifier of Plant B with a new lever actuated scum collection system; 12.Replace the existing return sludge piping above the aeration tanks in Plant B including the pipe hangers and two manually operated valves; 13.Replace the two exiting access hatches above the basement of the Plant B control building with new access hatches that require a key/tool for external entry; 14.Install new railing mounted hatch locking system above six access hatches for buried chambers throughout the plant as identified in the contract documents; 15.Install steel clips to secure walkway grating throughout the plant; 16.Review completed DSS report and provide and implement a designated substance removal/ safe work plan 17.Remove the asbestos cladding on the outside of the digester valve building. 18.Replace the existing diffusers and associated piping in the Aeration Tanks of both Plant A and B including pipe/diffuser supports and isolation valves; 19.Provide temporary bypass pumping to support concrete repairs; 20.Provide temporary RAS piping to support aeration tank isolations; 21.Replace screening building inlet gate; 22.Replace sluice gate isolation valve between cell 1 and cell 2 of Plant A Aeration tanks; 23.Replace Plant A inlet channel slide plate; 24.Replace Plant B inlet channel slide plate; 25.Install aluminum stairs from the driveway to the west side of the Ferric building, inside the Ferric Building and within the Plant B control building; and 26.Replace the aluminum staircases in the basement of Plant B Control building. Documents can be obtained at: https://hamilton.bidsandtenders.ca