Design of a viewing platform and stairs at the Astuvansalmi rock paintings

Summary

The tender concerns the design of a viewing platform and stairs at the Astuvansalmi rock painting site in Ristiina, Mikkeli. The design must cover both structural and architectural aspects, with greater emphasis on structural solutions, and must produce the documents needed for construction and for a subsequent construction tender. The site is protected for its archaeological, cultural heritage and landscape value. A tenderer meeting the suitability requirements will be selected on the basis of the lowest compliant price. Required references must be submitted with the tender, questions must be sent by 18 September 2026 at 12:00, and the tender must be submitted by 30 September 2026 at 12:00. The viewing platform is intended to be built in 2027.