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• <br />• <br />• <br />a. Obtain certified as -built contours for all ponds and inspect the pOnd5, <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 year after <br />pond completion and every five years thereafter. If inspections show that <br />sediment may accumulate to 50 percent of wet storage volume, or 25 <br />percent of dry detention volume, within less than five years, the Permittee <br />will inspect more frequent!y. Pond function wiIl be considered <br />inadequate if sediment accumulation has decreased the wet storage <br />volume by 50 percent or dry detention volume by 25 percent, and the <br />Permittee will restore the basin to its original design elevations and <br />dimensions and restore vegetation in disturbed areas within one year of <br />the inspection date' <br />b. Inspect stOrnlxvaterinfi|trJtinD and filtration basins, including rain <br />gardens, annuaUy, 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 continue <br />to perform per design. <br />c. Inspect grit chambers, sump catch basins and sump manholes <br />annually. Accumulated sediment and debris will be removed so that the <br />each facility continues to operate as designed and erosion or structural <br />problems are corrected. <br />d. Inspect conveyances and other structures annuaUy. Ensure <br />preservation of designed hydraulic capacity. <br />2. If the Permittee conveys into private ownership a fee interest in all or any <br />portion of the public property that is subject to this Agreement, it must require <br />as a condition of sale, and enforce: (a) that the purchaser record a declaration <br />on the property incorporating the stormwater management facility maintenance <br />requirements of this Agreement; and (b) that recordation occur either before any <br />encumbrance is recorded on the property or, if after, only as accompanied by a <br />subordination and consent executed by the encumbrance holder ensuring that <br />the declaration will run with the (and in perpetuity. If the Permittee conveys into <br />public ownership a fee interest in all or any portion of the property that is <br />