§ 42-424 Maximum permitted impact vibration displacement
ZR § 42-424
In all Manufacturing Districts, no activity shall cause or create an impact vibration, at any point on any lot line, with a displacement in excess of the permitted impact vibration displacement for the frequencies as set forth in the following table for the district indicated.
MAXIMUM PERMITTED IMPACT VIBRATION DISPLACEMENT (in inches)
District
Frequency
(cycles per second)
M1
M2
M3
10 and below
.0016
.0040
.0078
10 - 20
.0010
.0020
.0044
20 - 30
.0006
.0012
.0022
30 - 40
.0004
.0008
.0014
40 - 50
.0002
50 - 60
60 and over













