47. The authorization holder must ensure that a hole loaded with explosives is monitored until(1) the mouth is packed with drill cuttings or a material that ensures an impervious and durable sealing;
(2) an indicator marking its location and indicating the surveying authorization number is installed;
(3) the wire connected to the explosive charge is solidly attached on the surface and the excess wire is rolled around the indicator; and
(4) the remaining drill cuttings are levelled uniformly around the shotpoint.