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4 <br /> Stormwater Operations and Maintenance Plan <br /> UNDERGROUND DETENTION <br /> Regular inspection and maintenance are necessary to preserve long-term functionality of Stormwater <br /> Control Measures "SCMs " per the original design intent . This Plan outlines the Town of Chapel Hill <br /> requirements for regular inspection and maintenance of Underground Detention SCMs . The Owner as <br /> defined in the Agreement shall keep a copy of this Stormwater Operations and Maintenance Plan , any <br /> applicable proprietary manufacturer' s 0 & M Plan , the SCM Inspection and Maintenance Log, and a copy <br /> of the approved As - Built Plans in a known set location and made available to the Town of Chapel Hill <br /> upon request . <br /> Annual inspections shall be performed by a qualified licensed Professional Engineer or Landscape <br /> Architect . Routine maintenance and inspection shall be performed by a qualified professional with <br /> NCSU Stormwater Inspection and Maintenance Certification or similar certification . <br /> The qualified professional shall maintain a SCM Inspection and Maintenance Log and make available to <br /> the Town of Chapel Hill upon request . All inspections shall be recorded in the log according to the <br /> i <br /> frequency in the Inspection and Maintenance Table (Table 1 below ) and within 24 hours after storm <br /> events that exceed 1 . 0 inch of rainfall . Any deficit SCM elements noted during inspection shall be <br /> recorded in the log and immediately corrected , repaired , or replaced . All routine and <br /> corrective/emergency maintenance activities shall be recorded in the log . The log template can be <br /> found at the Town of Chapel Hill Stormwater Control Measures website . <br /> An Annual Inspection and Maintenance Report shall be submitted to the Town of Chapel Hill <br /> Stormwater Department . The report shall detail the status of the SCM and maintenance performed as <br /> outlined in the SCM Inspection Report Guidelines . A copy of the annual report shall be submitted to the <br /> Town of Chap <br /> el Hill Stormwater Management Division beginning innin g g g one Year after issuance of the <br /> Certificate of Occupancy . <br /> REQUIRED INSPECTION AND MAINTENANCE TASKS FOR UNDERGROUND DETENTION <br /> NOTE: The following inspection and maintenance table is not an exhaustive list of inspection and <br /> maintenance tasks. It is the responsibility of the professional inspecting the facility to perform <br /> comprehensive maintenance for the SCM to be operational. <br />