Cyclic observations of geometric structure of a building construction in hazardous conditions and construction works carried out in its immediate vicinity

A measuring work carried out in engineering surveying for construction industry purposes apply to building facilities within the meaning of the Act, "Construction Law", in the following situations: a) at the construction stage - as-built and post-completion surveying; b) during their use - mainly for specialized expertise performed under a periodic assessment of technical status of the object or when symptoms such cracks, scratches, excessive deflection or buckling of structural elements which pose a threat to its safe use; c) surveying of objects in whose vicinity works are carried out towards thier development, which may pose a threat to the stability of thier geometrical structure, particularly concerning objects situated on weak and / or heterogeneous soil.