(A) Inspection and enforcement can be divided into two distinct categories, during construction and post-construction. Construction inspection ensures that the storm drainage systems, stormwater management facilities and erosion and sediment control measures are constructed and installed in accordance with the approved C-SWPPP and OS-SWPPP. All construction inspection shall conform as outlined in the most current SCDHEC NPDES-CGP. In addition, the following apply:
(1) No stage of work, related to the construction of stormwater management facilities, shall proceed the next subsequent stage of work, according to the sequence specified in the approved staged construction and inspection control schedule until it is inspected and approved.
(2) The permittee shall notify York County Environmental Compliance before commencing any work to implement the OS-SWPPP and upon completion of the work.
(3) Inspections, by a qualified individual who is provided by the permittee, must comply as outlined in the most current SCDHEC NPDES-CGP or may be required at the discretion of the Stormwater Administrator at sites that have compliance problems and at sites where stormwater discharges to environmentally sensitive waters. Copies of all inspection reports shall be submitted to the county within three working days from the date of the inspection.
(4) Once construction is complete and final stabilization is reached, the permittee may request notice of termination approval. Minimum requirements include the following:
(a) A final inspection shall be conducted by the county.
(b) Any changes to final plat showing the location of all stormwater easements and the responsible party for the maintenance of the system shall be submitted. References shall be made to any and all ownership and lessee covenants established for ensuring the maintenance and long term functioning of the stormwater system. The plats shall also show conflicts with other new or existing easements.
(c) As-built construction drawings of the stormwater management facilities, including detention ponds, basins, ditches, swales, culverts, piping, manholes and other related structures and features, shall be submitted to show that the constructed project meets the requirements of the approved C-SWPPP and on-site stormwater pollution prevention plan (OS-SWPPP).
(d) Verification from the design professional that all components of the storm water management system meet the approved land disturbance permit and specifications or achieve the function for which they were designed. In addition, the site shall be cleared of all temporary BMPs (i.e., silt fence, waddles, rock check dams, etc.) and all construction trash and debris from the storm water system and the site as a whole.
(e) Upon receipt of the MS4 certification statement from the county, the permittee shall submit a signed notice of termination form to SCDHEC. At this point, the land disturbance permit is closed and the responsibility for the operation and maintenance of the storm drainage systems and stormwater management facilities are transferred from the operator to the persons responsible for maintenance.
(5) “As-built” plans, certified by a registered professional, shall be submitted upon completion of the stormwater management facilities. The registered professional shall certify that:
(a) The facilities have been constructed as shown on the “as-built” plan; and
(b) The facilities meet the approved C-SWPPP or achieve the function for which they were designed.
(6) Acceptable “as-built” plans shall be submitted prior to:
(a) The use or occupancy of any commercial or industrial site.
(b) Ninety percent build out of a residential subdivision once the multi-purpose basin has been converted from a sediment basin to the post-construction water quality feature.
(c) Release of any performance security held by the county.
(d) Approval of a new C-SWPPP if the plan proposes to use existing stormwater management facilities that does not have an acceptable “as-built” plan on file at the Environmental Compliance office.
(e) Approval and/or acceptance for recording of plat or drawing, the intent of which is to cause a division of a single parcel of land into two or more parcels.
(Ord. 2819, passed 6-17-19; Am. Ord. 3420, passed 10-5-20)