|
When "ambient noise level" is referred to in this
chapter, it means the higher of the following:
(1) Actual measured ambient noise level; or
(2) Ambient base level (see chart below).
|
Zone
|
7 a.m.
to 7 p.m.
|
7 p.m. to 10 p.m.
|
10 p.m.
to 7 a.m.
|
|
Single-Family Residential
|
|
|
|
|
R-1
|
55 dBA
|
50 dBA
|
45 dBA
|
|
R-A
|
55 dBA
|
50 dBA
|
45 dBA
|
|
E-3
|
55 dBA
|
50 dBA
|
45 dBA
|
|
E-4
|
55 dBA
|
50 dBA
|
45 dBA
|
|
E-5
|
55 dBA
|
50 dBA
|
45 dBA
|
|
E-6
|
55 dBA
|
50 dBA
|
45 dBA
|
|
E-7
|
55 dBA
|
50 dBA
|
45 dBA
|
| |
|
|
|
|
Multi-Family Residential
|
|
|
|
|
A-2
|
55 dBA
|
55 dBA
|
50 dBA
|
|
R-2
|
55 dBA
|
55 dBA
|
50 dBA
|
|
R-3
|
55 dBA
|
55 dBA
|
50 dBA
|
|
G-A
|
55 dBA
|
55 dBA
|
50 dBA
|
|
M.H.P.
|
55 dBA
|
55 dBA
|
50 dBA
|
| |
|
|
|
|
Commercial
|
|
|
|
|
C-1
|
65 dBA
|
65 dBA
|
60 dBA
|
|
C-2
|
65 dBA
|
65 dBA
|
60 dBA
|
|
C-3
|
65 dBA
|
65 dBA
|
60 dBA
|
|
C-M
|
65 dBA
|
65 dBA
|
60 dBA
|
| |
|
|
|
|
Manufacturing
|
|
|
|
|
M-1
|
70 dBA
|
70 dBA
|
70 dBA
|
|
M-1A
|
70 dBA
|
70 dBA
|
70 dBA
|
| |
|
|
|
|
Special Zones
|
|
|
|
|
MS
|
55 dBA
|
50 dBA
|
45 dBA
|
Wherever two different zones are contiguous, the lower
ambient noise level at the common property line shall apply. (Ord. 1180 §
3, 1973: Ord. 1173 § 1 (part), 1972).
|
