Item 4: PH - Ordinance on Stormwater Development Standards

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risk” are in the Stormwater Management Manual. Exempt from this subsection are: 1. Materials which have no measurable solubility or mobility in water and no hazardous, toxic or flammable properties. 2. Materials which exist in a gaseous form at ambient temperature. 3. Materials, except for pesticides and fertilizers, that are contained in a manner that prevents contact with stormwater. (e) Developments proposing the installation of new material transfer areas as defined in the Stormwater Management Manual, or structural alterations to existing material transfer areas, such as access ramp re-grading and leveler installations. Exempt from this subsection are areas used only for mid-sized to small-sized passenger vehicles and restricted by lease agreements or other regulatory requirements to storing, transporting or using materials that are classified as domestic use, for example, primary educational facilities (elementary, middle or high schools), buildings used for temporary storage and churches. (f) All development with a designated equipment or vehicle washing or steam cleaning area, including smaller activity areas such as wheel-washing stations. Exempt from this subsection are: 1. Washing activity areas generally used to service oversized equipment than cannot maneuver under a roof or canopy, for example cranes and sail boats. 2. Evaporation unit installed as part of a wash recycling system are exempt from the wastewater connection requirement. 3. One and two family dwelling sites. Development that is intended for the storage of 10 or more fleet vehicles shall include a designated vehicle washing area. (g) All development projects that disturb property suspected or known to contain contaminants in the soil or groundwater. (h) All development with new covered vehicle parking areas, or existing parking structures that are being developed. Exempt from this subsection are single-level canopies, overhangs and carports. (3)Standards. Unless adjusted pursuant to EC 9.8030(24), all source controls shall be designed and constructed according to the source control provisions set forth in the Stormwater Management Manual. (4) Enforcement . Failure to construct, operate and maintain source controls when a land use application, development permit or tenant improvement has resulted in a defined site use or characteristic listed in Ordinance - 11 L:\CMO\2006 Council Agendas\M060410\S0604104-attA.doc 4/3/06 - Ordinance includes changes made pursuant to the 1/9/06, 1/10/06 and 2/13/06 PC meetings and the 3/13/06 City Council Work Session.