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2012_0423_Packet
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2012_0423_Packet
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SEGMENT 1, 2012 PMP SHEET 9: RAIN GARDENS AND DETAILS <br />SEGMENT 1, 2012 PMP SHEET 11: BIOFILTRATION TRENCH <br />SEGMENT 1, 2012 PMP SHEET 12: BIOFILTRATON TRENCH <br />SEGMENT 1, 2012 PMP SHEET 14: BIOFILTRATION TRENCHES AND RAIN GA <br />SEGMENT 1, 2012 PMP SHEET 21: BIOFILTRATION TRENCH <br />SEGMENT 1, 2012 PMP SHEET 22: BIOFILTRATION TRENCHES <br />SEGMENT 2, 2012 PMP SHEET 7: BIOFILTRATION TRENCH DETAIL <br />SEGMENT 2, 2012 PMP SHEET 13: RAIN GARDENS AND BIOFILTRATION TRE <br />SEGMENT 2, 2012 PMP SHEET 17: BIOFILTRATION TRENCH <br />SEGMENT 2, 2012 PMP SHEET 18: BIOFILTRATION TRENCH <br />SEGMENT 2, 2012 PMP SHEET 19: BIOFILTRATION TRENCH <br />SEGMENT 2, 2012 PMP SHEET 23: BIOFILTRATION TRENCH <br />SEGMENT 2, 2012 PMP SHEET 24: BIOFILTRATION TRENCH <br />DETAIL SHEET: BOULEVARD BIOFILTRATION TRENCH DETAILS <br /> <br /> <br />The Permittee will: <br /> <br />a. Obtain certified as-built contours for all ponds and inspect the ponds, <br />and associated outlet structures, culverts and outfall structures one year <br />and two years after the completion of as-builts, including measuring <br />sediment accumulation by a method accurate to within one vertical foot. <br />Thereafter, the Permittee will perform inspections in the fifth <br />pond completion and every five years thereafter. If inspections <br />sediment may accumulate to 50 percent of wet storage volume, or <br />percent of dry detention volume, within less than five years, th <br />will inspect more frequently. Pond function will be considered <br />inadequate if sediment accumulation has decreased the wet storag <br />volume by 50 percent or dry detention volume by 25 percent, and <br />Permittee will restore the basin to its original design elevations and <br />dimensions and restore vegetation in disturbed areas within one <br />the inspection date. <br /> <br />b. Inspect stormwater infiltration and filtration basins, including rain <br />gardens, annually, to preserve live storage capacity at or above the <br />design volume. Remove vegetation, maintain healthy plant growth and <br />remove excess sediment and debris to ensure that the facilities <br />to perform per design. <br /> <br />2 <br /> <br />
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