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1 trying to get to the .5 as recommended by the <br /> 2 DOT. Some communities are asking for less, and <br /> 3 an example we'll use is human activity. <br /> 4 What happens when humans are involved <br /> 5 and they create vibration. And as a general <br /> 6 rule if we take and use this, keeping in mind <br /> 7 this .5 and so on, walking, jumping, produces an <br /> 8 equivalent of a particle velocity of 1.2 inches <br /> 9 per second. And that's just walking around and <br /> 10 jumping, okay. <br /> 11 If I take and I blast at .5 or less or <br /> 12 even 1 or less, for the most part I 'm not <br /> 13 matching walking or jumping. However, my blast <br /> 14 affects your whole structure so it's easier for <br /> tic 15 you to notice it. If you are walking and <br /> 16 jumping it's isolated in an area, so this why <br /> 17 you would probably observe this more. <br /> • <br /> 18 A few other things that gets into <br /> 19 effecting -- you know, if you're looking for <br /> 20 problems that blasters create, another thing <br /> 21 that gets into, for example, of cracking, even <br /> 22 nail pounding, door slamming, other vehicles <br /> 23 going by, a trucking going by. Have you ever <br /> 24 noticed you can feel a truck going by if you <br /> 25 really concentrate on it. Even transformation <br /> lbw 32 <br /> * * * CAPITOL CITY REPORTERS * * * <br />