(a) In an I-1 or I-2 district, a person may not conduct a use so as to create earthborn vibrations on the bounding lot line that exceed the displacement contained in the following table:
Allowable Displacement of Earthborn Vibrations in I-1 or I-2 District | |
Frequency in Cycles per Second
| Displacement in Inches
|
0 to 10 | 0.0010 |
10 to 20 | 0.0008 |
20 to 30 | 0.0005 |
30 to 40 | 0.0004 |
40 and over | 0.0003 |
(b) In a I-3 district, a person may not conduct a use so as to create earthborn vibrations on the bounding lot line that exceed the displacement contained in the following table:
Allowable Displacement of Earthborn Vibrations in I-3 District | |
Frequency in Cycles per Second
| Displacement in Inches
|
0 to 10 | 0.0020 |
10 to 20 | 0.0016 |
20 to 30 | 0.0010 |
30 to 40 | 0.0006 |
40 and over | 0.0005 |
(Ord. 19995)