Regulation 6

the condition of the building;

the loading on the structure of the building;

whether there is evidence of any structural works that are or were carried out without any prior approval of the plans of those works where prior approval is required by Part 2 of the Act.

reasonably suspects or is of the opinion that there is any defect, deformation or deterioration in the structure of the building that will or will be likely to endanger or reduce the structural stability or integrity of any part of the building; and

is of the opinion that it is necessary to carry out a full structural investigation of the building in order —

to ascertain the cause of the defect, deformation or deterioration; and

to recommend appropriate measures or other building works to ensure the structural stability or integrity of the building,the appointed structural engineer must, and only with the prior approval of the Commissioner, with reasonable diligence carry out a full structural investigation of the building.

taking all reasonable steps to obtain information relating to the design, construction, maintenance and history of the building;

doing either of the following with a view to determining any inadequacy in the structural elements of the building:

checking with reasonable diligence the structural plans of the building and the calculations contained in the plans;

if the plans cannot be obtained, reconstructing with reasonable diligence such structural plans where the Commissioner so requires;

carrying out or causing to be carried out tests on the structural elements of the building without damaging any part of the structural elements of the building;

carrying out or causing to be carried out tests on the materials used in the construction of the building; and

carrying out or causing to be carried out load testing of such parts of the building as the appointed structural engineer considers necessary.