Packet: Tiffin City Council Work Session (09/15/2026)

CHAPTER 166 ESTABLISHMENT OF ZONING DISTRICTS AND THE OFFICIAL ZONING MAP d. Maximum Permitted Steady-State Vibration Displacement Level. Steady-State Steady-State Vibration DisplacementA Frequency DisplacementA (in.) (in.) (Maximum (Cycles per second) (Maximum Adjacent Adjacent Commercial and Residential Industrial Uses) Uses) 0-9 0.0008 0.0004 10-19 0.0005 0.0002 20-29 0.0003 0.0001 30-39 0.0002 0.0001 40-over 0.0001 0.0001 A Steady-State vibrations, for purposes of this Code, are vibrations that are continuous, or vibrations in discrete impulses more frequent than 100 per minute. Discrete impulses that do not exceed 100 per minute, shall be considered impact vibrations, and shall not cause in excess of twice the displacement stipulated. e. Maximum Permitted Impact Vibration. Impact Vibration Impact Frequency DisplacementA (in.) DisplacementA (in.) (Maximum Adjacent (Cycles per second) (Maximum Adjacent Commercial and Residential Uses) Industrial Uses) 0-9 0.0016 0.0006 10-19 0.0010 0.0003 20-29 0.0006 0.0002 30-39 0.0004 0.0001 40-over 0.0002 0.0001 A Impact vibrations, for purposes of this Code, are vibrations that occur in discrete impulses separated by an interval of at least one minute and numbering not more than eight in any 24-hour period. (3) Smoke and Particulate Matter. The emission, from all sources within any lot, or particulate matter containing more than five percent by weight of particles having a particle diameter larger than 44 microns is prohibited. Dust and other types of air pollution borne by the wind from such sources as storage areas, yards, and roads within the boundaries of any lot shall be kept to a minimum by appropriate landscaping, paving, oiling, or other acceptable means. Emission of particulate matter from such sources in excess of the weight limitations specified herein is prohibited. The emission of smoke or particulate matter of a density or equivalent opacity equal to, or greater than, Ringelmann Chart No. 2 is prohibited at all times, except as otherwise provided herein. (The Ringelmann Chart is the chart published by the United States Bureau of Mines.) CODE OF ORDINANCES, TIFFIN, IOWA - 1673 -