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ATTY/ORD.0010/CC ORD AMENDING MUNI CODE CH.18, 27A, 30 – EXHIBIT B REV: 09-17-24 VR Page 1 of 4 EXHIBIT B – CHAPTER 27A AMENDMENTS Sec. 27A.36. - DEFINITIONS: The following words and phrases, whenever used in this Article, shall be as set forth below: GREEN INFRASTRUCTURE: Means the construction and retrofit of storm drainage to reduce runoff volumes, disperse runoff to vegetated areas, harvest and use runoff where feasible, promote infiltration and evapotranspiration, and use bio-retention and other natural systems to detain and treat runoff before it reaches our creeks and Bay. Green infrastructure facilities include, but are not limited to, pervious pavement, infiltration basins, bio-retention facilities or "raingardens", green roofs, and rainwater harvesting systems. Green infrastructure can be incorporated into construction on new and previously developed parcels, as well as new and rebuilt streets, roads, and other infrastructure within the public right-of-way. Green Infrastructure may apply to any type of infrastructure or land development project. C.3 REGULATED PROJECT: Shall mean development projects as defined by Provision C.3.b.ii of the Municipal Regional Stormwater NPDES Permit (MRP), Order No. R2-2015-00492022- 0018, NPDES Permit No. CAS612008, or its successor. This includes public and private projects that create and/or replace five thousand (5,000) square feet or more of impervious surface, or as may be amended in the future. STORMWATER TREATMENT PROJECT: Shall mean all C.3 Regulated and Green Infrastructure projects, where Green Infrastructure projects are defined by resolution of the City Council. IMPERVIOUS SURFACE: Shall mean a surface covering or pavement of a developed parcel of land that prevents the land's natural ability to absorb and infiltrate rainfall/stormwater. Impervious surfaces include, but are not limited to: Roof tops; walkways; patios; driveways; parking lots; storage areas; impervious concrete and asphalt; and any other continuous watertight pavement or covering. Landscaped soil and pervious pavement, including pavers with pervious openings and seams, underlain with pervious soil or pervious storage material, such as a gravel layer sufficient to hold at least the volume of rainfall runoff, as defined in Provision C.3.d of the MRP, are not impervious surfaces. Open, uncovered retention/detention facilities are not considered impervious surfaces for purposes of determining whether a project is a C.3 Regulated Stormwater Treatment Project as defined under Provisions C.3.b and C.3.g of the MRP. Open, uncovered retention/detention facilities shall be considered impervious surfaces for purposes of runoff modeling and meeting the hydromodification standard as defined in Provision C.3.g.ii of the MRP. PERMANENT STORMWATER POLLUTION PREVENTION MEASURES (PSPPM): Shall mean any source control measures, site design measures, and/or stormwater treatment measures, or combinations thereof that reduce stormwater pollution as required by Order R2-2015-0049 in NP DES Permit No. CAS612008 issued by the RWQCB, San Francisco Bay Region, as it may