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HomeMy WebLinkAboutNCC190604_ESC Approval Submitted_20190612catawba county utilities & engineering May 28, 2019 Revere at Sherrill's Ford, LLC 14300 Ridge Road, Suite 100 North Royalton, OH 44133 RE: LETTER OF APPROVAL WITH MODIFICATIONS Project Name: Revere at Sherrill's Ford Case Number: ECPR-05-2019-31926 Disturbed Acres: 22.3 acres Submitted By: ESP Associates, Inc. Date Received: May 21, 2019 New Submittal X Revision Dear Ms. Grass: This office has reviewed the subject erosion and sedimentation control plan. We find the plan to be acceptable and hereby issue this Letter of Approval with Modifications. The Erosion Control Permit must be posted at the job site. 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 413.0129. 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 NCG010000 Construction Stormwater General Permit. This form MUST be submitted prior to the commencement of any land disturbing activity on the above named protect. The NOI form may be accessed at deg.nc.gov/NCG01. After submittal of a complete and correct NOI Form, a COC will be emailed to you within three business days. Title 15 NCAC 4B .0018(a) requires that a copy of the approved erosion control plan, NCG01 permit and COC, and records of inspections made be on file at the job site. Also, this letter gives the notice required by G.S. 113A-61.1(a) of our right of periodic inspection to insure 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 Statue 113A- 51 through 66), this office may require revision to the plan and implementation of the revisions to insure compliance with the Act. catawbacountync.gov Catawba County Government Center 25 Government Drive I Newton NC 28658 1 828.465.8261 MAKING. LIVING. BETTER. 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 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/Ownership Form that you have provided. You are requested to file an amended form if there is any change in the information included on the form. Please ensure the approved plans and permit are picked up from the Government Center, see address above. In addition, please notify this office of the proposed start date for this project and to schedule a preconstruction conference. Your cooperation is appreciated. Sincerely, Ceti Toni Norton, P.E., LEED A.P., CPESC Water Resources Engineer Cc: File ESP NC DEMLR MODIFICATIONS Calculations • Skimmer Basin SB-3 shown on plans as SK-3, please revise. • FES-100 outlet pipe diameter 24", plans show 30" RCP, please revise. • Submit riser calculations. Erosion Control Plan Phase 1 Sheet C-3.1 • Existing SK-4 revise baffle locations so flow crosses all three. • Baffles required in ST-5 • Label slope drains TSD-1 and TSD-2. • Skimmer Basin SK-3: additional slope drains and/or diversions at top of slopes are required to prevent erosion • identify slopes steeper than 3:1 for 7-day ground cover requirement, which slopes require matting. Erosion Control Plan Phase 2 Sheet C-3.4 • identify slopes steeper than 3:1 for 7-day ground cover requirement • Skimmer Basin SK-3: label western slope drain FES. Erosion Control Plan Phase 2 Sheet C-3.5 • label slopes steeper than 3:1 for 7-day ground cover requirement, which slopes require matting. Erosion Control Details Sheet C-3.7 • Pipe Outlet to Flat Area shows FES-1 plans show FES-S1, please revise. • Add HW-BMP1 and HW-BMP2 dimensions.