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HomeMy WebLinkAboutNCC214350_ESC Approval Submitted_20210729July 22, 2021 LETTER OF APPROVAL WITH MODIFICATIONS Duke Energy Carolinas, LLC Attention: David Dellario, GM CPP Project Management 526 South Church Street Charlotte, North Carolina 28202 RE: Project Name: Marshall Structural Fill Geosynthetic Cap Acres Approved: 103.7 Project ID: CATAW-2021-020 County: Catawba, City: Sherrills Ford Address: 8320 NC Hwy 150 River Basin: Catawba Stream Classification: Other Submitted By: Robert Boeing, PE, AECOM Date Received by LQS: June 22, 2021 Plan Type: New Dear Mr. Dellario: This office has reviewed the subject erosion and sedimentation control plan. We find the plan to be acceptable with modifications and hereby issue this letter of Approval with Modifications. The Modifications Required for Approval are listed on the attached page. This plan approval shall expire three (3) years following the date of approval, if no land -disturbing activity has been undertaken, as is required by Title 15A NCAC 4B .0129. As of April 1, 2019, all new construction activities are required to complete and submit an electronic Notice of Intent (NOI) form requesting a Certificate of Coverage (COC) under the NCGO 10000 Construction Stormwater General Permit. This form MUST be submitted prior to the commencement of any land disturbing activity on the above named project. The NOI form may be accessed at deq.nc.gov/NCGO1. Please direct questions about the NOI form to Annette Lucas at Annette.lucas@ncdenr.gov or Paul Clark at Paul.clark@ncdenr.gov. After you submit a complete and correct NOI Form, a COC will be emailed to you within three business days. Initially, DEMLR will not charge a fee for coverage under the NCGO1 permit. However, on or after May 1, 2019, a $100 fee will be charged annually. This fee is to be sent to the DEMLR Stormwater Central Office staff in Raleigh. Title 15A NCAC 4B .0118(a) and the NCGO1 permit require that the following documentation be kept on file at the job site: AaNkr North Carolina Department of Environmental Quality i Division of Energy, Mineral and Land Resources Mooresville Regional Office 1 610 East Center Avenue, Suite 3011 Mooresville, North Carolina 28115 D.E 704-663-1699 Letter of Approval with Modifications Duke Energy Carolinas, LLC July 22, 2021 Page 2 of 3 1. The approved E&SC plan as well as any approved deviation. 2. The NCGO1 permit and the COC, once it is received. Records of inspections made during the previous 30 days. Also, this letter gives the notice required by G.S. 113A-61.1(a) of our right of periodic inspection to ensure compliance with the approved plan. North Carolina's Sedimentation Pollution Control Act is performance -oriented, requiring protection of existing natural resources and adjoining properties. If, following the commencement of this project, the erosion and sedimentation control plan is inadequate to meet the requirements of the Sedimentation Pollution Control Act of 1973 (North Carolina General Statute 113A-51 through 66), this office may require revisions to the plan and implementation of the revisions to ensure compliance with the Act. Acceptance and approval of this plan is conditioned upon your compliance with Federal and State water quality laws, regulations, and rules. In addition, local city or county ordinances or rules may also apply to this land - disturbing activity. This approval does not supersede any other permit or approval. Please note that this approval is based in part on the accuracy of the information provided in the Financial Responsibility Form, which you provided. You are requested to file an amended form if there is any change in the information included on the form. In addition, it would be helpful if you notify this office of the proposed starting date for this project. Your cooperation is appreciated. Sincerely, Shannon Leonard Assistant Regional Engineer Land Quality Section Enclosures: Certificate of Approval Modifications Required for Approval NCGO1 Fact Sheet c: Inspection Department ec: Robert Boeing, PE, AECOM Letter of Approval with Modifications Duke Energy Carolinas, LLC July 22, 2021 Page 3 of 3 MODIFICATIONS REQUIRED FOR APPROVAL Project Name: Marshall Structural Fill Geosynthetic Cap Project ID: CATAW-2021-020 County: Catawba 1. Quantitative measurements of turbidity (portable turbidity meter using white or infrared light is acceptable) will be taken prior to pumping water out of the MAR-145 basin. Turbidity levels must meet NC water quality standards [25 NTU for lakes and reservoirs per 15A NCAC 02B .0211(21) Turbidity FRESH SURFACE WATER QUALITY STANDARDS FOR CLASS C WATERS] prior to discharge. In the event that water in the basin does not meet water quality standards for turbidity, a flocculant will be added to the basin to reduce turbidity levels or the water will be pumped to the Ash Basin for treatment.