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D. Completion Agreement and Letter of Credit. <br />Prior to approval of any storm water management plan, the <br />applicant shall submit an agreement to construct such required <br />physical improvements, to dedicate property or easements, or <br />to comply with such conditions ls may have been agreed to. <br />Such agreement shall be accompanied by a letter of credit to <br />cover the amount of the established cost of complying with the <br />agreement. The agreement and letter of credit shall guarantee <br />completion and compliance with conditions within a specific <br />time, which time may be extended in accordance with <br />Subdivision 7.2. The adequacy, conditions and acceptability <br />of any agreement and letter of credit shall be determined by <br />the Orono City Council or any official of the City as may be <br />designated by resolution of the City Council. Further, the <br />City Council may by resolution waive the letter of credit <br />requirement for specific categories or types of projects. <br />Subd. 8. Approval Standards. <br />A. No storm water management plan which fails <br />to meet the standards contained in this section shall be <br />approved by the City. <br />B. Site Dewatering. Water pumped from the <br />site shall be treated by temporary sedimentation basins, grit <br />chambers, sand filter, upflow chambers, hydro-cyclones, swirl <br />concentrators or other controls as appropriate. Water may not <br />be discharged in a manner that causes erosion or flooding of <br />the site or receiving channels or a wetland. <br />C. Waste and Material Disposal. All waste <br />and unused building materials (including garbage, debris, <br />cleaning wastes, wastewater, toxic materials or hazardous <br />materials) shall be properly disposed of off-site and not <br />allowed to be carried by runoff into a receiving channel or <br />storm sewer system. <br />D. Tracking. Each site shall have graveled <br />roads, access drives and parking areas of sufficient width and <br />length to prevent sediment from being tracked onto public or <br />private roadways. Any sediment reaching a public or private <br />road shall be removed by street cleaning (not flushing) before <br />the end of each workday. <br />E. Drain Inlet Protection. All storm drain <br />inlets shall be protected during construction until control <br />measures are in place with a straw bale, silt fence or <br />equivalent barrier meeting accepted design criteria, standards <br />and specifications contained in the MPCA publication <br />"Protecting Water Quality in Urban Areas."