(Amended by Ord. No. 159276 effective Jan. 24, 1987.)
A. Maximum sound
levels: No person shall operate any equipment or appurtenances thereto in
commercial construction activities which exceeds 85 dBA, when measured at 50
feet (15.2 meters) from the source. This standard shall not apply to
trucks (see Section 18.10.020), pile drivers, pavement breakers, scrapers,
concrete saws and rock drills.
B. Night, weekend,
and legal holidays limitation: From 6:00 p.m. to 7:00 a.m. the following
morning, and 6:00 p.m. Saturday to 7:00 a.m. the following Monday, and on legal
holidays, the permissible sound levels of Section 18.10.010 shall apply to all
construction activities except by variance or for reasons of emergency.
The exempted equipment of Section 18.10.060 A is not exempted during these
hours. For purposes of this Subsection, construction activities on a
public road within a zone shall be considered as taking place on private
property within that zone.
C. The adjustments
to permissible sound levels established in Section 18.10.010 B apply to
Subsections A and B above.
D. All equipment
used in commercial activities shall have sound control devices no less effective
than those provided on the original equipment, and no equipment shall have an
E. All equipment used in commercial construction activities shall comply with pertinent standards of the U.S. Environmental Protection Agency.