On-call water and sewer infrastructure services at various locations throughout DeKalb County include removal and replacement of existing pipe with ductile iron sewer pipe, replacement of failing valves, and elimination of system leaks. Work encompasses complete site restoration including sidewalks, pavements, and driveways, along with asphalt cutting, mainline reconnections, CCTV inspections, manhole installation, and bypass pumping operations. Some sites require specialized installation methods including hand tunneling and Tunnel Boring Machine operations to access and repair infrastructure in challenging locations. All work includes required permits and traffic control to minimize impacts to residents and maintain safe working conditions throughout the county.