2019–2020 OPERA Projects
Temporary Roadside Turf Irrigation System
The City of Edina Engineering Department built and tested a temporary roadside turf irrigation system with inexpensive common parts for the roadsides of a smaller city road and utilities reconstruction projects as a more efficient and cost-effective alternative to water truck irrigation.
Otta Seal Surface on an Unpaved Granite Road
Franklin Township in Wright County experimented with a relatively inexpensive asphalt surface treatment, known as Otta seal, as a way to reduce maintenance costs and improve ride quality on its high-traffic gravel roads with a crushed granite base.