28.01. In order to ensure stability, no excavation work shall be undertaken in an underground mine or an open-pit mine without obtaining the plans and specifications of an engineer.
In an underground mine, the plans and specifications shall be updated by an engineer as the work progresses and be available at all times on the site of the mine.
In an open-pit mine, the plans and specifications shall be updated by an engineer according to the frequency the engineer determines and be available at all times on the site of the mine when work is being undertaken.
This section does not apply to a sand pit or to gravel operations.
O.C. 1326-95, s. 11; 945-2020O.C. 945-2020, s. 31.