4-11-090 DEFINITIONS I:

ILLICIT CONNECTION: See RMC 4-6-100.

ILLICIT DISCHARGE: See RMC 4-6-100.

ILLUMINATION, INTERNAL: A light source that is concealed or contained within a sign and becomes visible in darkness through a translucent surface.

ILLUMINATION, TUBE: A light source supplied by a tube that is bent to form letters, symbols, or other shapes. Tube illumination does not include exposed fluorescent lights.

IMPACTS: The effects or consequences of actions. Environmental impacts are effects upon the elements of the environment listed in WAC 197-11-444.

IMPERVIOUS SURFACE: A non-vegetated surface area that either prevents or retards the entry of water into the soil mantle as under natural conditions before development; or that causes water to run off the surface in greater quantities or at an increased rate of flow compared to the flow present under natural conditions prior to development. Common impervious surfaces include, but are not limited to, roofs, walkways, patios, driveways, parking lots, storage areas, areas that are paved, graveled or made of packed or oiled earthen materials, or other surfaces that similarly impede the natural infiltration of surface water or stormwater.

IMPORTED FILL: Earth material acquired from an off-site location for use in grading on a site.

INACTIVE APPLICATION: A submittal for a land use permit in which the applicant has not provided requested documentation within the time period identified through written communication, or there has been no communication or action from the applicant for a period of ninety (90) days. Such time limit shall not apply in the event the delay is caused by the City.

INCOMBUSTIBLE AND NONCOMBUSTIBLE MATERIAL: Shall be as defined in the Uniform Fire Code.

INDUSTRIAL USE: A type of land use characterized by production, manufacturing, distribution or fabrication activities.

INDUSTRIAL USE, HEAVY: A type of land use including manufacturing processes using raw materials, extractive land uses or any industrial uses which typically are incompatible with other uses due to noise, odor, toxic chemicals, or other activities posing a hazard to public health and safety. Examples include marijuana producers and marijuana processors.

INDUSTRIAL USE, LIGHT: A type of land use including small scale or less intensive production manufacturing, distribution or fabricating activities. May also include office and supporting convenience retail activities.

INDUSTRIAL WASTES: See RMC 4-6-100.

INFILL: Development that occurs on vacant land within urbanized areas.

INFILTRATION: See RMC 4-6-100.

INFILTRATION FACILITY: Infiltration facility means a drainage facility designed to use the hydrologic process of water soaking into the ground (commonly referred to as percolation) to dispose of surface and storm water runoff.

INTEGRATED WALKWAY CIRCULATION: Sidewalks and streets constructed and connected in such a way as to provide an efficient and safe system for people moving through an area on foot.

INTERMITTENT: A condition where water is not present in the channel year-round during years of normal or above normal rainfall.

INTERNATIONAL BUILDING CODE: The adopted edition of the International Building Code, published by the International Conference of Building Officials.

INTERNATIONAL BUILDING CODE STANDARDS: The adopted edition of the International Building Code Standards, published by the International Conference of Building Officials.

INTERVAL: An interval is the measure of articulation – the distance before architectural elements repeat.

(Ord. 3719, 4-11-1983; Ord. 3891, 2-25-1985; Ord. 4577, 1-22-1996; Ord. 4740, 7-19-1999; Ord. 4720, 5-4-1998; Ord. 4821, 12-20-1999; Amd. Ord. 4963, 5-13-2002; Ord. 5124, 2-7-2005; Ord. 5137, 4-25-2005; Ord. 5450, 3-2-2009; Ord. 5478, 8-3-2009; Ord. 5605, 6-6-2011; Ord. 5650, 12-12-2011; Ord. 5707, 3-24-2014; Ord. 5828, 12-12-2016)