Features

• 6,000 feet of twin 16-inch HDPE forcemain
• 12-inch HDPE temporary sewer bypass to maintain sewage flow during construction of permanent force main
• Three multi-purpose valve structures and one air release structure
• Seven tunnels totaling approximately 1,810 feet
• Construction of forcemain concurrent with Mn/DOT reconstruction of Highway 12

SEH Services

• Design of permanent forcemain and temporary bypass
• Development of geotechnical subsurface investigation program
• Tunnel design
• Preparation of construction plans, specifications, and cost estimate
• Extensive construction staging coordination with Mn/DOT
• Construction engineering services