Public works

Works, whether of construction or adaptation, undertaken and carried out by the national, state, or municipal authorities, and designed to subserve some purpose of public necessity, use, or convenience; such as public buildings, roads, aqueducts, parks, etc.

See Ellis v. Common Council, 123 Mich. 567, 82 N. W. 244; Winters v. Duluth, 82 Minn. 127, 84 N. W. 788.