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• <br /> L. Applicant shall obtain an encroachment permit from Alameda County for storm line <br /> connection prior to issuance of building permit. <br /> M. The developer shall install City Standard Tree Grates at all street trees located on the <br /> Washington Avenue frontage if they are included in the project, prior to Certificate <br /> of Occupancy. Sidewalk along the frontage shall be no less than 6' wide. Sidewalk <br /> adjacent to a tree grate shall be no less than 48" wider per City Standard Detail <br /> 438A. <br /> N. Applicant shall comply with the regulations and provisions contained in the City's <br /> Grading Ordinance, the City's Storm Water Pollution Prevention Permit, and the <br /> National Pollutant Discharge Elimination System (NPDES), to the satisfaction of <br /> the City Engineer. More information may be found at <br /> www.cleanwaterprogram.org. Stormwater from this site needs to be treated before <br /> it is discharged to the storm drain. <br /> O. Applicant is advised that stormwater quality and treatment as shown on the <br /> Vesting Tentative Map submitted October 5, 2011 must meet the most current <br /> standards as required by the Alameda County Clean Water Program. The <br /> stormwater filtering devices must be the best available technology. Contech <br /> Stormfilter is acceptable. Dynamic separators are not best available technology. <br /> Please provide calculations showing that this unit can handle the flow for the <br /> entire site. <br /> P. Applicant will be required to complete a Stormwater Maintenance Agreement <br /> with the City prior to issuance of building permits. <br /> Q. Runoff from trash enclosures, recycling areas, or similar facilities shall not <br /> discharge to the storm drain system. Trash enclosure areas shall be covered and <br /> designed to avoid run -on to the trash enclosure area. <br /> R. Roof drains shall discharge to an unpaved area wherever practicable. Runoff from <br /> all impervious surfaces must be routed through the storm water treatment <br /> measures. <br /> S. Applicant shall reduce storm water pollution by implementing the following <br /> pollution source control measures: <br /> 1) All storm drains shall be marked "NO DUMPING, DRAINS TO I3AY" <br /> 2) All on -site storm drains shall be inspected and cleaned at least twice a year <br /> including immediately prior to the rainy season. <br /> 3) Sidewalks and parking lots shall be swept regularly to minimize the <br /> accumulation of litter and debris. Steam cleaning or low volume pressure <br /> washing may be performed only after pre - cleaning using dry methods, spot <br /> cleaning and recovery in stained areas and removal of all mobile pollutants. <br /> Debris resulting from pressure washing shall be trapped and collected to prevent <br /> Agreement to Conditions October 20. 2011 <br /> PLN2009 -00006 Page 8 of 21 <br />