ISCO and HDPE expand eastern Nebraska infrastructure
Sarpy County, Nebraska is one of the American state’s fastest growing counties, but geographical challenges have limited growth due to a lack of infrastructure. An undertaking 20 years in the making, this multi-phased project began with the creation of the Sarpy County and Cities Wastewater Agency.
The construction of 19 miles (30.5 km) of sewer lines, made up of approximately 17 miles (27 km) of 14 to 36-inch HDPE dual force mains and three lift stations, is the first phase of the project that will eventually open up approximately 70,000 acres of land, making it accessible to development. The system is designed to accommodate 40 years of population growth, create over 4,500 new jobs, and contribute billions of dollars to the economy. The planning team paid particular attention to environmental, historic, and cultural impacts by minimising influence on aquatic resources, taking into consideration habitat for threatened and endangered species, and being sensitive to historical sites, archaeological sites, and Native American tribal interests.
Utilising ISCO, and spooling sticks of HDPE together, not only sped up the installation process, but allowed obstacles and challenges to be handled with numerous horizontal directional drilling trenchless crossings and bored steel cased crossings for roadways and railroads.
Photo credit: Hawkins Construction Company
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