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HomeMy WebLinkAboutNCC205619_ESC Approval Submitted_20201208Wake County Environmental Services Department Water Quality Division, Watershed Management Section WAKE 336 Fayetteville St. • P.Q. Box 550 • Raleigh, NC 27602 COUNTY TEL 919 856-7400 • FAX 919 743-4772 WMCPA - WATERSHED MANAGEMENT CONSTRUCTION PLAN APPROVAL Mornington Estates Project Name S/D Phase 4 Date Received 11/2/2020 S&E Permit Number SEC-044761-2020 SW Permit Number SWF-043619-2020 Watershed Middle Creek Jurisdiction Wake Cou Date Processing Initiated 11/17/2020 S&E Plan Review $5,958 PAID Fee $60.00 PENDING SW Plan Review Fee $2,500 PAID Applicant: Engineer: Name Stewart -Proctor/ Emily Williamson, PE Name: Address: 319 Chapanoke Rd., Raleigh, NC 27603 -- Address: Phone: 919-779-1855 _ Y Phone: Email: ewilliamsonpePgmail.com Email: Plan Date/Revision Date: Disturbed 24.07 Acreage (23.83 + 0.24) $5,958 PAID S&E Permit Fee $60.00 PENDING SW Permit Fee $2,500 PAID Stewart -Proctor/ Mike Stewart, PE _ Same Same siewartpe@aol.com conditionally approved. Approval Date: 1 please pay the plan review and permit fees for the additional 0.24 acres of land disturbance. 1 11/17J2020 Mornington Estates Subdivision Phase 4 is approved for the creation of 77 lots. Plans approved limiting the maximum impervious surface of 718,735 SF (16.50 acres) that has been dispersed over 77 lots, roads, wells, utilities and mail kiosk. The project shall provide stormwater control (nutrients, volume control and peak attenuation) with two (2) storm water control measures (wet detention ponds). See approved site data below. Approved Site Data: Permitted Imp (SF)= 718,735 (toad ISA (5F)= 137,150 T, Lots ISA (SF)= 539,000 Other ISA (SF)= 42,085 Nitrogen Post Nitrogen Pre Nitrogen Post BMP Nitrogen (Ib/ac/yr)= 0,89 (lb/ac/yr)= 2.78 (lb/ac/yr)= 1.81 Offset (lb)= 0 Nitrogen Post Phosphorus Phosphorus BMP Phosphorus Pre (lb/ac/yr)= N/A Post (lb/ac/yr)= N/A flb/ac/yr)= 0.26 Offset (lb)= N/A Conditions of Approval Items marked with an "X" were noted as conditions of the Stormwater and Sediment and Erosion Control Plan approval. Unless otherwise noted, all references shown in brackets are for!the Wake County Unified Development Ordinance (LIDO), adopted 04/17/06. 1 APPROVAL_WatershedManagement-V.2_WM 1�4 WAKE COUNTY Wake County Environmental Services Department Water Quality Division, Watershed Management Section 336 Fayetteville St. • P.O. Box 550 • Raleigh, NC 27602 TEL 919 856-7400 • FAX 919 743-4772 WMCPA - WATERSHED MANAGEMENT CONSTRUCTION PLAN APPROVAL A mandatory preconstruction meeting is required between the owner, contractor, and Wake County prior to issuance of the Stormwater and Land Disturbance Permits. Please call to schedule this meeting at your convenience. I. The Stormwater and Land Disturbance permit fees are due at that time. Once conditional item No. i is satisfied, please contact Alan Alcock at 919-868-2* to schedule the preconstruction meeting and provide six (6) full size plan sets prior to the meeting. ® 2 Grading, other than for installation of soil erosion and sedimentation control measures, is prohibited prior to the issuance of a Certificate of Compliance. j10-30-7(D)l ® 3 Contractor shall follow plans strictly and maintain contact with Wake County prior to making any field modifications to erosion and sediment control devices. No devices shall be removed without prior approval from Wake County. Wake County's sedimentation pollution control program is performance oriented, requiring protection of the natural resources and adjoining properties. If at any time during the project it is determined that the Erosion and ® 4. Sedimentation Control Plan is inadequate to meet the requirements of the Erosion and Sedimentation Control Ordinance of Wake County, this office may require revisions in the plan and its implementation to ensure compliance with the Ordinance. All projects that have approved plans for an E&SC permit on or after Aug. 3, 2011 are covered by the NPDES Construction Stormwater General Permit, NCG 010000, In addition, effective October 1, 2010, persons conducting Z S. land -disturbing. activities larger than one acre must inspect their project after each phase of the project, and document the inspection in writing. A packet with information on the NPDES General Permit and the Self -inspection Program will be provided at the preconstruction meeting. Permits and inspection reports shall be maintained on site. ® 6 SUBDIVISIONS ONLY Builders are required to obtain grading permits for cumulative disturbance over one acre (including non-contiguous lots). Stormwater COAs - All conditions of approval must be completed and approved by Wake County prior to final plat approval or signoff of the Certificate of Occupancy (C.O.) for future building permits. Items required prior to final plat or building permit approval are checked and listed below. As -Built Plans — Upon completion of required improvements, an as -built plan of required stormwater improvements ® 7. must be submitted (must indicate that stormwater improvements were constructed in accordance with the approved plan). j9-31-21 ® 8. Maintenance Plan ® The developer must record and reference on the record plat, a maintenance plan providing instruction about a. annual maintenance tasks and associated costs for at least a 20-year period. E9-32-3(A)j ® It will be the responsibility of the property owners association or lot ownerto update the maintenance plan at b. least every 10 years. (9-32-3(8)1 ® 9. Maintenance Agreement The developer must record and reference on the record plat, a maintenance agreement or restrictive covenant ® a. that sets for the property owners association's or lot owner's continuing responsibilities for maintenance, including how cost will be apportioned among lot owners served. (9-32-4(A)J ® b The maintenance agreement must provide that the association and its individual members are jointly and severable liable for maintenance. [9-32-4($)] All maintenance documents required must be submitted prior to record plat approval and must be referenced on the ® 10. record plat. For developments not requiring record plats, documentation must be submitted prior to building permit issuance. (9-32-61 Performance Guarantee — The county may not approve a record plat or issue a building permit until stormwater Hill. 11. improvements required of the developer have been completed or a performance guarantee has been provided. Hill. rn n i 47 Applicable Regulations 12. 19-32-2 Ponies Responsible for Maintenance of improvements 2 APPROVAL Watershed Management-V.2 WM WAKE COUNTY ►1 y ?A] 11 17 Wake County Environmental Services Department Water Quality Division, Watershed Management Section 336 Fayetteville St. • P.O, Box 550 • Raleigh, NC 27602 TEL 919 856-7400 • FAX 919 743-4772 WMCPA - WATERSHED MANAGEMENT CONSTRUCTION. PLAN APPROVAL The developer must maintain stormwater improvements until accepted by a property owners association or lot ® a, owner. The developer must disclose which party will be responsible for continued maintenance on the record plat. Before improvements are accepted for maintenance by the property owners association or lot owner, the ® b. developer must certify to the property owners association or lot owner and the county that improvements are complete and functioning as designed. 13. Part 5 — Enforcement and Penalties ® Failure to complete required improvements or failure to maintain improvements as required by the approved a' plan are violations and subject to a fine of up to $1,000 per day. �9-5t7] Inspection of Stormwater Improvements — Wake County agents have the right to inspect sites to determine ® b. whether stormwater improvements are being installed and maintained in compliance with the ordinance. (9- 51] 10-30-6 Validity of Plan, lapse of Approval - An approved erosion and sedimentation control plan is valid for 2 14. calendar years from the date of approval. If a land disturbance permit has not been obtained within the 2-year period, the erosion and sedimentation control plan approval becomes null and void. 15. 10-30-8 Actions Required Prior to Land Disturbance S&EC plan approval and land disturbance permit issued must be prominently displayed until all construction is ® a. complete, all permanent sedimentation and erosion control measures are installed and the site has been stabilized. A copy of the approved plan must be kept on file at the job site. ® b No person shall initiate a land -disturbing activity until notifying Wake County of the date that the land - disturbing activity will begin. 1Cr. 10-31-1 Authority County officials may enter any property, public or private, at reasonable times for the purpose of investigating and inspecting the sites of any land -disturbing activity. No person shall refuse entry or access to any authorized ® a. representative or agent for the County who requests entry for purposes of inspections, and presents appropriate credentials, nor shall any person obstruct, hamper, or interfere with any such representatives while in the process of carrying out their official duties. Agents and officials of the County will periodically inspect land -disturbing activities to ensure compliance with ® b the North Carolina Sedimentation Pollution Control Act, this article, or rules or orders adopted or issued pursuant to this article, and to determine whether the measures required in the erosion and sedimentation control plan are effective in controlling erosion and sedimentation resulting from land -disturbing activity. Any land -disturbing activity will be the responsibility of the person(s) conducting the land disturbing activity, ® c. including the property owners, Failure to prevent off site sedimentation will be deemed a violation of the erosion and sedimentation control regulations of this article. 15A NCAC 2B.0233 - Due to the location of this project, it should be noted that a rule to protect and maintain existing buffers along watercourses in all of Wake County became effective in 2006. The Neuse River Riparian Area Protection and Maintenance Rule applies to all perennial and intermittent streams, lakes, ponds and estuaries in Wake County with forest vegetation on the adjacent land or "riparian area". In riparian areas with existing forest vegetation in the first 30 feet directly adjacent to the stream, the rule prohibits land disturbance, new development and fertilizer use within the first 50 feet of land next to the water. In riparian areas with forest vegetation that is less than 30 feet wide, the rule prohibits land disturbance, new development and fertilizer use within the area that contains forest vegetation (but not the entire 50 foot riparian area). For more information about this riparian area rule, please contact the Division of Water Quality's Wetland/401 Unit at 919-807-6300_ Wake County enforces the Neuse Buffer Rules in both the Cape Fear River Basin and the Neuse River Basin except when superseded by the Jordan Buffer Rules[15A NCAC 02B.02651. 3 APPROVAL_watershedManagement-V.2 wM WAKE COUNTY Wake County Environmental Services Department Water Quality Division, Watershed Management Section 336 Fayetteville St. • P.O. Box 550 • Raleigh, NC 27602 TEL 919 856-7400 • FAX 919 743-4772 WMCPA - WATERSHED MANAGEMENT CONSTRUCTION PLAN APPROVAL Wake County Watershed Management Section is not responsible for subject approvals of other Local, State or Federal Agencies. The subject approvals are (but not limited to) Federal Emergency Management Area Flood regulations/requirements, Division of Water Quality under stormwater or other water quality regulations/requirements, U.S. Army Corps of Engineers under Article. 404/401 (Wetlands/Streams) jurisdiction/requirements, and/or any Federal, State, County and Local municipal regulations or permit requirements. The approval issued in this letter cannot supersede any other required permit or approval. -------------- Environmental alan.alcock wake ov.com Consultant: Alan Alcock, CE55W#, R£FI5 ontact Info: 919-868-2560 Ik I Wake County PE: barney.blackburn@wakegov.com O Contact Info: Barney Blackburn, PE 919-418-3791 4 APPROVAL_WatershedManagement-V.2 WM