Responsible for the service City of Helsinki, Urban Environment Division
Declaring the site supervisor - Indicate the site supervisor
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The site supervisor must be declared to the building control authority before any construction or preparatory work, such as excavation, quarrying, piling or felling of trees, is started. In the case of renovation and alteration work on a building, the notification regarding the site supervisor must be submitted before any structures or building parts are demolished or constructed.
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Text edited by: City of Helsinki, Urban Environment Division
Updated: 27/5/2026