Ordinance No. 20570 - Laserfiche WebLink

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additives, concrete curing compounds, acids for cleaning masonry surfaces, paints, thinners); and concrete washout. Construction site management plan (CSMP) .A set of maps, data, drawings, specifications and narrative that describes expected runoff from new construction sites, and establishes best management practices or equivalent measures to be taken for preventing erosion and controlling sediments, surface runoff and other pollutants from construction activities. For purposes of sections 6.401 through 6.645, the CSMP serves as the City (ESCP) required by the Oregon Department of Environmental Quality and the Stormwater Pollution Prevention Plan (SWPPP) required by the United Stated Environmental Protection Agency. Dewatering . The removal and disposal of surface water or groundwater during construction or for the purpose of facilitating construction. Jurisdictional wetland . An area that is inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and which under normal circumstances does support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands include swamps, marshes, bogs and similar areas. Any parcel or portion of a parcel which meets the state or federal definition of wetlands that are under the jurisdiction of state or federal laws. Synonymous with "wetland." Minor recurring activities . Repetitive minor construction, maintenance and operational activities on existing infrastructure that are performed as part of an overall work plan or program when no individual disturbance exceeds more than 500 square feet of land area and 50 cubic yards of fill or excavated material. Examples include, but are not limited to, connections and extensions of utility service, repair of utility and infrastructure facilities, Stormwater facilities. Any structure or configuration of the ground that is used or by its location becomes a place where stormwater flows or is accumulated including but not limited to pipes, sewers, curbs, gutters, manholes, catch basins, ponds, open drainage ways, runoff control facilities, water quality facilities, wetlands and their appurtenances. Stormwater related natural resource areas . Areas located within or adjacent to the city's stormwater system, such as waterways, wetlands, conservation zones or easements and riparian areas, which, due to their location, topography, vegetation, or other factors provide one or more of the following stormwater functions: flood control, streambank stabilization and water quality treatment, including pollutant removal, shading and temperature stabilization. Ordinance - Page 2 of 7