The Princeton R-5 Board of Education approved a mass excavation bid at a facility work session last week.
The board accepted the bid from BRS of Edina for $493,006.75, with BRS providing a 60-day timeline for completion of the project.
The excavation package also included storm pipe and drainage for the entire campus.
The project is expected to begin June 1 and conclude the first week of August.
The board also approved the purchase of a spare bus.
