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I • TABLE-1 <br /> FAMILY KARTWAY <br /> ENVIRONMENTAL NOISE ANALYSIS <br /> LOCATION ' DISTANCE CORRECTION TRACK EFFECT " GROUND ATTENTION LEQ (Db FOR INDICATED <br /> DROP IN SOUND OVER ALLOWANCE FOR FACTOR,SOUND ABSORBED i OF KARTS <br /> DISTANCE FROM SOURCE SOURCE NOT BEING BY GRASS,TREES,ETC. 1 10 15 30 50 <br /> IN CONSTANT SPOT OVER DISTANCE TO <br /> LOCATION <br /> A) 300' from - 16 Db - 8 No ground attn. 46 56 58 61 63 <br /> noise source Gr.attn.factor - 2 44 54 56 59 61 <br /> B) 750' from - 24 Db - 5 No ground attn. 41 51 53 56 58 <br /> noise source Gr.attn.factor - 8 33 43 45 48 50 <br /> C) 1000' from - 26 Db - 4 No ground attn. 40 50 52 55 57 <br /> noise source Gr.attn.factor - 10 30 40 42 45 47 <br /> D) 1250' from - 28 Db - 3 No ground attn. 39 49 51 54 56 <br /> noise source Gr.attn.factor - 12 27 37 39 42 44 <br /> E) 1350' from - 29 Db - 2 No graurd attn. 39 49 51 54 56 <br /> noise source Gr.attn.factor - 14 26 36 38 41 43 <br /> A) LOCATION Measuring devices were placed the <br /> indicated number of feet from edge <br /> of track <br /> B) DISTANCE CORRECTION <br /> This is the normal drop in Leg (Db) <br /> over these various distances. This <br /> is without any effect from surroundings <br /> C) TRACK EFFECT As the source of sound (karts) are <br /> travelling around a track, this is the <br /> factor for correcting to the average <br /> sound from any single spot on the track <br /> D) GROUND ATTENTION The amount of sound which is absorbed by <br /> grass and small trees (less than 6') <br /> while travelling over the various <br /> distances <br /> E) LEQ(Db) FOR The actual sound level at the various <br /> INDICATED NUMBER locations with various numbers of karts <br /> OF KARTS on the track. <br />