If underground mine workings may be affected by an inrush, the site senior executive for the mine must ensure the following matters are investigated and details of them kept at the mine—
(a) the location and nature of the inrush source;
(b) the nature and thickness of the strata, measured in any plane, separating the inrush source from the workings that may be affected;
(c) the presence of any faults, dykes or boreholes in the separating strata;
(d) the anticipated accuracy of the details mentioned in paragraphs (a) to (c) ;
(e) any other relevant data.