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O Citizen Interests [fitness [he blaster who tells the consultant arriving at the blasting site: "Those people on tep of the hill! They're giving me fits! I've told there that there is nothing to worry about, but they complain every time I shoot! You will have to do something about them!" the consultant sets up his instrument at their house, and finds that they are quite nice people, but rather afraid of the blasting. There is nothing strange about that. They say to the consultant: "That dynamiting is getting on our nerves - the house shakes every time it goes off! The man that's doing it told us that there was nothing to worry about, but you should feel it when he blasts! You will have to do something about it, for we are worried about the damage it must be doing to the house!" The consultant explains to them that he is there to make sure that the house .is not damaged: that is what the instrument is for. The blaster, who has, and uses his own instrument, did not bother to explain this - after all, they were too busy complaining! The consultant also tells them that although the vibrations will not ham the house, they will certainly feel the motion, and may be 1 bothered by it. He tells them that they will feel the vibrations much more strongly if they remain inside the house, and suggests that they stay outdoors. 9 The shot is fired, and the consultant notes the vibration levels: 0.15 inches per second, not nearly enough to cause any damage, but certainly enough for the people to feel, and even to (~ alam them if they aze inside the house and there is arty real ~f degree of structural response. They say to the consultant: "That was not as bad as you said it was going to be! But why did the blaster say we would feel nothing at all?" The explanation is simply that the blaster, who is entirely familiar and comfortable with blasting and explosives, had told them merely what he believed to be true, chat it was nothing to p worry about, and that they wouldn't feel a thing. Once that was {~ explained to the householders, together with the comment that the blaster had never been inside the house when he fired his shots, Q then a mutual understanding was established, and the foundation was laid for a better relationship in the future. The whole direction of this manual to the Mine Operator is to enable him to comply with the OShIItE regulations, and therefore to m;n;m;ze the adverse effects of that operation. It is certain that the citizen's safety and property will be protected. It is not always possible to control the physical effects of blasting operations to such an extent that people will not be awaze of the 119