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19.06.100 Prohibition of undesirable emissions

            Every use shall be so operated that it does not emit an excessive or dangerous degree of fumes, dust, smoke, or other form of air pollution, and heat, glare, or radiation beyond any lot on which the use is located.  No use shall generate vibration which is perceptible without the use of instruments at any lot line.  Sound shall not be generated to the extent that it is transmitted beyond the lot boundaries to an objectionable degree and offensive to the peace.

            (1)        Exterior lighting installed in commercial, industrial, and institutional uses that are adjacent to residential areas, shall submit plans and specifications for approval by the City which meet the following standards:

                        (a)        Any light fixture located within thirty-five feet (35') of a residential boundary shall not exceed a height of twenty feet (20');

                        (b)        Light fixtures located more than thirty-five feet (35') from a residential boundary shall not exceed the maximum height permitted for main structures in the zoning district, or thirty-five feet (35'), whichever is less;

                        (c)        Light standards shall be spaced at a distance of at least four (4) times the height of the standard;

                        (d)        Shielding of light fixtures shall be provided such that the light source shall not be visible at a height greater than five feet (5') above ground level at any residential property line.  Shielding shall also be provided such that any lighting will not create a hazard to any driver on an adjacent public street;

                        (e)        Uplighting (lights at or near ground level used to highlight architecture, landscaping, or signs) or spotlighting shall be focused to the interior of the commercial/industrial site, or at an angle into the air such that no beam of light shall enter onto residential property or into a street so as to create a hazard to any driver;

                        (f)        A site plan showing the lighting pattern of each light, whether mounted on a standard, on the ground, or any structure, shall be submitted to the Community and Economic Development Department for approval; and

                        (g)        Recreational facilities and community uses requiring lighting may be exempted from the above requirements; however, all such lighting shall be approved as a conditional use.

            (2)        Exterior electronic two-way conversation systems at any commercial/industrial location shall be allowed so long as the volume of such systems shall be such maintained at a level that any message or conversation is not intelligible beyond the property line at any time.

            (3)        Exterior paging or public address systems, including telephone and music connections, shall not be allowed at any commercial or industrial location.  Existing public address systems may remain as they have been installed but shall not be expanded.  Exterior public address systems at any institutional, park, or community use shall specifically be considered in the conditional use approval.  Temporary public address systems for public celebrations or rallies shall be exempt from these regulations.

            (4)        All electrical and mechanical systems installed at any commercial/industrial location that is adjacent to a residentially zoned area shall provide a buffer such that the equipment cannot be seen or heard above the average noise levels in the area from the residential property.

            (5)        All service areas including loading/unloading and garbage or recycled materials pick up shall be located, buffered and operated such that adjacent residential areas will not be disturbed by the use thereof.

Ord. No.97-35, Recodified, 6/19/1997
Ord. No. 01-36, Amended, 8/2/2001
Ord. No. 97-19, Enacted, 4/17/1997
Ord. No. 04-69, Recodified, 12/16/2004