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HomeMy WebLinkAboutNCC213957_ESC Approval Submitted_20210706Iredell County Planning & Development Erosion Control Section 349 North Center Street P.O. Box 788 Statesville, NC 28687 Date: June 251h 2021 LETTER OF APPROVAL WITH MODIFICATIONS Lance Mathern Clark Equipment Company, DBA Doosan Portable Power 1293 Glenway Rd. Statesville, NC 28625 RE: Project Name: Doosan Bobcat - Statesville Facility Expansion Acres Approved with Modifications: 71.4 Project [D: STVLE-2021-087 Project Location: PIN 47457557I 1.000 Submitted By: Freeland and Kauffman, Inc. Date Received: June 4`h 2021 Plan Type: New Dear Mr. Mathern: This office has reviewed the subject erosion and sedimentation control plan. We find the plan to be acceptable with modifications and herby issue this Letter of Approval with Modifications. Modifications must be received in this office no later than two weeks prior to the project start date. Failure to submit modified plans can result in a violation and fine under the Iredell County Land Development Code. The Modifications required for Approval are Iisted on the attached page. The Certificate of Approval issued by Iredell County must be posted at the job site. This plan approval shall expire three (3) years following the date of this approval as is required by Title 15A NCAC 4B.0129 and Appendix H of the Iredell County Land Development Code. Title 15A NCAC 4B 0118(a) and Appendix H of the Iredell County Land Development Code requires that a copy of the approved erosion control plan be on file at the job site. Any amendments and/or revisions to the approved plan must be reviewed and approved prior to implementation in order for the site to remain in compliance. Failure to submit plans for approval may result in administrative actions and/or penalties as indicated in the Iredell County Land Development Code. Also, this letter gives notice as required by G.S. I I3A-61.1(a) and Appendix H of the Iredell County Land Development Code, of our right of periodic inspection to insure compliance with the approved plan. Iredell County's Sedimentation Pollution Control Program is performance -oriented, requiring protection of existing natural resources and adjoining properties. If, following the Letter of Approval with Modifications Doosan Bobcat Statesville Facility Expansion June 25`h 2021 Page 2 of 3 commencement of this project, it is determined that the erosion and sedimentation control plan is inadequate to meet the requirements of the Iredell County Land Development Code and 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 insure compliance with the Act and Code. 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. It is the responsibility of the applicant to obtain all other required permits or approvals. As of May 1, 2019, all new construction activities are required to complete and submit an electronic Notice of Intent (NO[) form requesting a Certificate of Coverage (COC) under the NCGO10000 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/NCG0I I. Please direct questions about the NOI form to Annette Lucas at Annette.Iucas@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. As of 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. 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 is required that this office to be notified of the proposed starting date for this project. Failure to notify this office of the starting date may result in a Notice of Violation and civil penalty. As required in the approved plan construction sequencing, please schedule a preconstruction conference with our staff prior to land disturbing activity. Your cooperation is appreciated. Sincerely, Jonathan Williams Erosion Control Inspector I1 Enclosures: Modifications Fact Sheet on the New NCGO 1 Permit Permit Letter of Approval with Modifications Doosan Bobcat Statesville Facility Expansion June 25'h 2021 Page 3 of 3 MODIFICATIONS REQUIRED FOR APPROVAL Project Name: Doosan Bobcat Statesville Facility Expansion Project ID: STVLE-2021-087 County: Iredell Reviewed by: Jonathan Williams Required changes are designated as i`RC" under legal authority from NC General Statutes Chapter 113A Article 4 and the Iredell County Land Development Code. Suggested changes are designated as "SC" for improvement of the plan. 1. Mark diversion slope drain entry points into Basins 1 &2 for all diversions. Ensure diversions enter the basin opposite the side of the skimmer/riser locations. —RC 2. Mark baffle locations in the basins. Ensure there are a minimum of 2 baffles between the diversion entry point and the skimmer. Recommend 3 baffles. —RC 3. Basin outlet structures should be designed so that the treated discharge leaves the site unobstructed by silt fence and does not travel across disturbed ground. —RC 4. Note that Trap 1 is used for construction purposes only and not treatment purposes. Drainage for Trap 1 enters Basin 1 for treatment prior to leaving the site and Basin 1 is designed to treat Trap 1 drainage. —RC 5. Adjust Basin 1 skimmer orifice size to 3.25 inches to dewater the required volume of 53,208 ft3 in as close to 3 days' time (3.08 days) possible. —RC 6. Adjust Basin 2 skimmer orifice size to 1.75 inches to dewater the required volume of 14,742 ft3 in as close to 3 days' time (3.23 days) possible. —RC 7. Note in the construction entrance detail that any sediment tracked out into the road must be cleaned up immediately. —RC 8. Provide silt sack inlet protection detail if silt sacks are to be used to protect curb inlets. — RC 4. Extend silt fencing to cover the northeast property boundary to protect Glenway Dr. right-of-way from potential runoff. —SC 10. Use straw wattles in place of rip rap check dams in the diversions. Provide detail. —SC 11. Develop the project in phases so that no more than 25 acres of disturbed ground is exposed at one time. -SC