1139.07 OBJECTIONABLE CONDITIONS.

   (a)   Requirements. No land or building in any district shall be used or occupied in any manner so as to create any dangerous, injurious, noxious or otherwise objectionable element or condition except under temporary conditions which do not threaten serious or immediate hazards unless the following performance standards are observed:

      (1)   Fire hazards. Any activity involving the use or storage of flammable or explosive materials shall be protected by adequate fire-fighting and fire-suppression equipment and by such safety devices as are normally used in the handling of any such material.

      (2)   Radioactivity or electrical disturbance. No activity shall emit dangerous radioactivity at any point, or electrical disturbance adversely affecting the operation at any point of any equipment other than that of the creator of such disturbance.

      (3)   Noise. Noise which is objectionable, as determined by the Building and Zoning Board of Appeals, due to volume, frequency or beat, shall be muffled or otherwise controlled, except that air raid sirens and related apparatus used solely for public purposes are exempt from this requirement.

      (4)   Vibration. No vibration shall be permitted which is discernible without instruments on an adjoining lot or property.

      (5)   Smoke. Except as permitted or allowed by the Federal or State Environmental Protection Agency, smoke or other visible particulate emissions from any source shall not exceed twenty percent opacity, as a six-minute average in any sixty minutes, at any time.

      (6)   Odors. No malodorous gas or matter shall be permitted which is discernible on any adjoining lot or property.

      (7)   Air pollution. No pollution of air by fly ash, dust, vapors or other substances shall be permitted which can cause excessive soiling.

      (8)   Glare. No direct or reflected glare shall be permitted which is visible from any property outside an I District or from any public street, road or highway.

   (b)   Enforcement Provisions. All uses existing on the effective date of this Zoning Code may be continued even though such uses do not conform to the provisions of Chapters 1141 through 1155.

   (c)   Referral to City Manager. The Code Enforcement Officer may refer any proposed use which is likely to violate performance requirements specified herein to the City Manager for review.

(Ord. 4320. Passed 11-15-93.)