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Routine Maintenance Activities for Bioretention Areas <br />No. Maintenance Activity Frequency <br />1 Remulch void areas and remove sediment As needed <br />2 Treat diseased trees and shrubs As needed <br />3 Water plants daily for two weeks At project completion <br />4 Inspect soil and repair eroded areas Monthly <br />5 Remove litter and debris Monthly <br />6 Remove and replace dead and diseased veQetation Twice per year <br />7 Add additional mulch Once per year <br />8 Replace tree stakes and wire Once per year <br />1.4 SITE INSPECTION <br />Inspection Schedule <br />No. Inspection Activity Frequency <br />1 Inspect soil and repair eroded areas Monthly <br />2 Inspect for erosion or damage to vegetation, preferably at the end of Semi-annually <br />the wet season to schedule summer maintenance and before major <br />fall runoff to be sure the planters are ready for winter. However, <br />additional inspections after periods of heavy runoff is desirable. <br />3 Check for debris and litter, and areas of sediment accumulation Semi-annually <br />4 Inspect health of trees and shrubs Semi-annually <br />5 Replace tree stakes and wire Once per year <br />Further inspection and maintenance activities which shall be completed as needed are: <br />1. Perform annual testing of any mechanical or electrical devices prior to wet weather. <br />2. Report any significant changes in stormwater control measures to the site management. As <br />appropriate, assure mechanical devices are working properly and/or landscaped BMP plantings are <br />irrigated and nurtured to promote think growth. <br />3. Note any significant maintenance requirements due to spills or unexpected discharges. <br />4. As appropriate, perform maintenance and replacements as scheduled and as needed in a timely <br />manner to assure stormwater control measures are performing as designed and approved. <br />5. Assure unauthorized low-flow discharges from the property do not by-pass stormwater control <br />measures. <br />6. Perform an annual assessment of each pollution generation operation and its associated stormwater <br />control measures to determine if any part of the pollution reduction train can be improved. <br />The owner of the property is responsible for documenting and retaining records of all inspection activities per <br />standards set forth in the SWQCCP. Records of inspections shall be kept in storage in a binder or folder and <br />retained for at least 3 years from date of inspection. <br />5