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HomeMy WebLinkAbout20050732 Ver 20_Undeliverable Mail_20110413NCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor Mr. Mitch Barron Newland Communities 5850 Fayetteville Road, Suite 201 Durham, NC 27713 Division of Water Quality Coleen H. Sullins Director March 29, 2011 Subject Property: Briar Chapel - Phase 5 North STORMWATER MANAGEMENT PLAN APPROVAL - MODIFIED Dear Mr. Barron: Dee Freeman Secretary Chatham County DWQ Project No. 05-0732v20 On January 11, 2008, the Division of Water Quality (DWQ) issued a revised 401 Water Quality Certification to temporarily impact 339 linear feet of stream and 0.157 acre of 404 wetlands and to permanently impact 1,666 linear feet of stream and 0.1590 acre of 404 wetlands in order to construct the Briar Chapel Subdivision in Chatham County. In order to meet Condition 10 of the 401 Certification for this project, a stormwater management plan for Briar Chapel - Phase 5 North, dated and received August 20, 2010 with revisions dated and received August 27, 2011, was approved by the DWQ on September 27, 2010. A revised stormwater management plan that proposes modifications to Wet Detention Pond 8 in order to accommodate needed changes to the retaining wall design, dated February 21, 2011, was received by the DWQ on February 22, 2011. The proposed modifications to the stormwater management plan for Wet Detention Pond 8 of Briar Chapel Phase 5 North have been reviewed and satisfies the stormwater management condition of the 401 Water Quality Certification. You are required to meet the following conditions: 1. The stormwater management system (consisting of two wet detention ponds and all associated appurtenances), all stormwater conveyances and the grading and drainage patterns depicted on the plans, as approved by this office must be maintained in perpetuity. No changes to the structural stormwater practices shall be made without written authorization from the DWQ. The stormwater management structures shall have maintenance access to allow for the ability to maintain the structures, and to perform corrective actions. The stormwater easements shall be recorded to provide protection of the structures from potential alterations by future property owners. 2. All operation and maintenance activities shall be followed as stipulated in the Operation and Maintenance Agreement signed and notarized on August 9, 2010, and received in our office on August 20, 2010. Wetlands, Buffers, Stormwater, Compliance and Permitting Unit (WeBSCaPe) 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 Location: 512 North Salisbury Street Floor 9 Raleigh, North Carolina 27603 Phone: 919-807-63011 FAX: 919-807-6494 Internet: www.ncwaterqualiry.org An Equal Opportunity 1 Affirmative Action Employer Mr. Mitch Barron March 29, 2011 Page 2 of 2 3. The applicant and/or authorized agent shall provide a completed Certification of Completion Form to the DWQ 401 Program within ten (10) days of the project completion (available at: http://portal.ncdenr.or web/wq/swp/ws/401/certsandpermits/apply/forms). This letter completes the review of the DWQ under Section 401 of the Clean Water Act. If you have any questions, please contact me at 919-807-6381. Sincerely, o? Annette Lucas, PE Wetlands, Buffers and Stormwater Compliance and Permitting (WeBSCAPe) Unit AML/aml cc: Becky Fox, EPA Monte Matthews, USACE, Raleigh Lauren Witherspoon, DWQ Raleigh Regional Office Fred Royal, Director, Chatham County Environmental Resources, Public Works Department, P.O. Box 1550, Pittsboro, NC 27312 Allison Weakly, Chair, Chatham County Environmental Review Board, 311 Boothe Road, Chapel Hill, NC 27517 File Copy 050732v20BriarChapel(Chatham)_SW ApproveMod.doc JA r U) s:xjs y 1 q 1;0. N SSVl3 MU x '?f *4 u a? x? wx QH? 33w w ? zoo ; O?U? > A ¢ w U W Q ? ? U w o w Tf m ? m 0 S} 0 G` s0! q-e ? Q O O iro o - TOM i ill o Q Dot 4 WOO .? T - o lti o VE W (A irsri o to :)Wm Q - f~ t-> si ? - Cl Wy2 ffi irjJ Q ffi w 0 ci 9t u z G'' fit iF? fA ii) t3 Q ?fl s` i'1 ??yy ?'U5"P?1?'5? ' ?? a i ?,? .???F ,?, ? /4 .q i ?r3. r,'7 L r„ rr7