Description
The Gwinnett County Board of Commissioners is requesting bids for the construction of the Suwanee Creek Diversion Pump Station Expansion Project. The project includes replacement of existing pumps, demolition and installation of new chemical feed tank and system, rehabilitation of the existing diversion structure, and other related work. The project is expected to be substantially complete within 720 days after the contract commencement date.
• Replacement of six existing pumps with six new dry-pit submersible type pumps
• Demolition and installation of a new chemical feed tank and system
• Rehabilitation of the existing diversion structure
• Installation of new electrical equipment and Owner-furnished programmable logic controller (PLC)
• Demolition and expansion of the existing chemical room
• Installation of new flow monitoring in a gravity sewer structure
• Replacement of the existing emergency back-up generator
• HVAC and ventilation improvements
• Instrumentation and control system updates
• Replacement and rehabilitation of existing process piping
• Structural improvements and replacement of the existing overhead coiling door
• Structural improvements to allow the existing bridge crane to function at rated capacity
• Replacement of existing slide gates, grating, and grinder units
• Replacement of existing hatches and addition of new rigid fall protection systems
• Fence and gate relocations and improvements
• Repaving of the existing site with slope improvements for drainage
• Gutter system improvements
• Replacement of existing sump pumps in the lower pump room
• Passive odor control improvements at the existing diversion box structure
• Bypass pumping of the existing facility