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Home My WebLink About20120487 Ver 1_Approval Letter_20120615• A Yr�� NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Charles Wakdd PE Dee Freeman Governor Director Secretary June 15 2012 DWQ Project # 12 0487 Wake County City of Raleigh Attn Aaron Brower One Exchange Plaza Suite 620 219 Fayetteville Street Mall Raleigh NC 27601 Subject Property Marsh Creek Interceptor Sewer Improvements Marsh Creek [030402 27 33 20 C NSW] Approval of 401 Water Quality Certification and Authorization Certificate per the Neuse River Buffer Protection Rules (15A NCAC 2B 0233) with Additional Conditions Dear Sir You have our approval in accordance with the attached conditions and those listed below to fill or otherwise impact 0 0523 acre of 404 wetland (permanent impact) 180 linear feet of stream (temporary impacts) 33 654 square feet of Zone 1 Neuse River basin protected riparian buffer (permanent and temporary impacts) and 55 810 square feet of Zone 2 Neuse River basin protected riparian buffer (permanent and temporary impacts) to construct a new 36 gravity sewer line to replace an existing 18 gravity sewer line as described in your application dated April 27 2012 and received by the Division of Water Quality (DWQ) on May 17 2012 and additional information received on June 13 2012 After reviewing your application we have decided that the impacts are covered by General Water Quality Certification Number(s) 3884 (GC3884) The Certification(s) allows you to use Nationwide Permit(s) NW12 when issued by the US Army Corps of Engineers (USACE) This letter shall also act as your approved Authorization Certificate for impacts to the protected riparian buffers per 15A NCAC 2B 0233 In addition you should obtain or otherwise comply with any other required federal state or local permits before you go ahead with your project including (but not limited to) Erosion and Sediment Control and Non discharge regulations Also, this approval to proceed with your proposed impacts or to conduct impacts to waters as depicted in your application shall expire upon expiration of the 404 Permit This approval is for the purpose and design that you described in your application If you change your protect you must notify us and you may be required to send us a new application If the property is sold the new owner must be given a copy of this Certification and approval letter and is thereby responsible for complying with all conditions If total fills for this project (now or in the future) exceed one acre of wetland or 150 linear feet of stream compensatory mitigation may be required as described in 15A NCAC 2H 0506 (h) This approval requires you to follow the conditions listed in the attached certification and any additional conditions listed below None Carolina Naturally North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Phone (919) 791 -4200 Customer Service Internet www ncwaterquality org 1628 Mad Service Center Raleigh NC 27699 1628 FAX (919) 788 7159 877 623 6748 An Equal Opportunity/Affirmative Action Employer — 50 / Recycled /10 / Post Consumer Paper Page 2 The Additional Conditions of the Certification are 1 Impacts Approved The following impacts are hereby approved as long as all of the other specific and general conditions of this Certification (or Isolated Wetland Permit) are met No other impacts are approved including incidental and/or temporary impacts Type of Impact Amount Approved Units Plan Location or Reference 404 Wetlands 0 0523 acre permanent impact PCN page 5 of 11 Streams 180 (Imear ft temporary impact PCN page 5 of 11 Buffers Zone 1 33 654 (square ft permanent and temporary impact PCN page 6 of 11 revised 6/13/2012 Buffers Zone 2 55 810 (square ft permanent and temporary impact PCN page 6 of 11 revised 6/13/2012 2 No Waste Spoil Solids or Fill of Any Kind No waste spoil solids or fill of any kind shall occur in wetlands waters or riparian areas beyond the footprmt of the impacts depicted in the Pre Construction Notification All construction activities including the design installation operation and maintenance of sediment and erosion control Best Management Practices shall be performed so that no violations of state water quality standards statutes or rules occur 3 Erosion and sediment control practices must be in full compliance with all specifications governing the proper design installation and operation and maintenance of such Best Management Practices in order to protect surface waters standards a The erosion and sediment control measures for the project must be designed installed operated and maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual b The design installation operation and maintenance of the sediment and erosion control measures must be such that they equal or exceed the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual The devices shall be maintained on all construction sites borrow sites and waste pile (spoil) projects including contractor owned or leased borrow pits associated with the project c Sufficient materials required for stabilization and/or repair of erosion control measures and stormwater routing and treatment shall be on site at all times 4 Sediment and Erosion Control Measures Sediment and erosion control measures shall not be placed in wetlands or waters without prior approval from the Division If placement of sediment and erosion control devices in wetlands and waters is unavoidable design and placement of temporary erosion control measures shall not be conducted in a manner that may result in dis equilibrium of wetlands or stream beds or banks adjacent to or upstream and down stream of the above structures All sediment and erosion control devices shall be removed and the natural grade restored within two (2) months of the date that the Division of Land Resources or locally delegated program has released the project Page 3 5 Diffuse flow All stormwater shall be directed as diffuse flow at non erosive velocities through the protected stream buffers and will not re concentrate before discharging into the stream as identified within 15A NCAC 2B 0233(5) or if this is not possible it is necessary to provide stormwater facilities that are considered to remove nitrogen 6 Compensatory Mitigation Using Mitigation Bank and On site Restoration We understand that you have agreed to provide riparian buffer mitigation for the proposed sewer line and associated Neuse River riparian buffer impacts by payment into a mitigation bank and restoration of on site buffers These methods of mitigation have been determined by DWQ to be suitable to meet the mitigation requirement A total of 77 871 square feet of riparian buffer mitigation is required for this project Of which 27 094 square feet will be mitigated through restoration of on site buffers in the abandoned sewer line The planting plan outlined in Appendix 4 of the application should be implemented and monitored for 5 years and monitoring reports submitted to DWQ by the end of December for each monitoring year The remaining 50 777 square feet of required riparian buffer will be mitigated through payment to EBX Neuse Riparian Buffer Umbrella Mitigation Bank/Rudolph Site and the Forrest Creek Stream and Riparian Buffer Mitigation Bank the to meet this mitigation requirement Until EBX receives and clears your check impacts specified in this Authorization Certificate shall not occur EBX should be contacted if you have any questions concerning payment into these banks You have 60 days from the date of this approval to make this payment For accounting purposes, this Authorization Certificate authorizes payment into EBX to meet the following compensatory mitigation requirement Type of Impact Compensatory Mitigation Required River and Sub basin Number Buffer 50 777 (square feet) Neuse /03020201 7 Protective Fencing The outside buffer wetland or water boundary and along the construction corridor within these boundaries approved under this authorization shall be clearly marked with orange warning fencing (or similar high visibility material) for the areas that have been approved to infringe within the buffer wetland or water prior to any land disturbing activities to ensure compliance with 15 NCAC 2H Section 0500 8 Notification of Project Commencement Please notify DWQ (Lauren Witherspoon at (919) 791 4251 or lauren witherspoon@ncdenr ov) of the proposed start date of the project 9 Certificate of Completion Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules and any subsequent modifications the applicant is required to return the attached certificate of completion to the Wetlands Buffers Stormwater Compliance and Permitting Unit (WeBSCaPe) North Carolina Division of Water Quality 1650 Mail Service Center Raleigh NC 27699 1650 Page 4 Violations of any condition herein set forth may result in revocation of this Certification and may result in criminal and/or civil penalties The authorization to proceed with your proposed impacts or to conduct impacts to waters as depicted in your application and as authorized by this Certification shall expire upon expiration of the 404 or CAMA Permit If you wish to contest any statement in the attached Certification you must file a petition for an administrative hearing You may obtain the petition form from the Office of Administrative Hearings You must file the petition with the Office of Administrative Hearings within sixty (60) days of receipt of this notice A petition is considered filed when it is received in the Office of Administrative Hearings during normal office hours The Office of Administrative Hearings accepts filings Monday through Friday between the hours of 8 OOam and 5 OOpm except for official state holidays The original and one (1) copy of the petition must be filed with the Office of Administrative Hearings The petition may be faxed provided the original and one copy of the document is received by the Office of Administrative Hearings within five (5) business days following the faxed transmission The mailing address for the Office of Administrative Hearings is Office of Administrative Hearings 6714 Mail Service Center Raleigh NC 27699 6714 Telephone (919) 431 3000 Facsimile (919) 431 3100 A copy of the petition must also be served on DENR as follows General Counsel Department of Environment and Natural Resources 1601 Mail Service Center Raleigh NC 27699 1601 Unless such a petition is filed this Certification shall be final and binding Page 5 This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act and the Neuse River basin riparian buffer protection rule as described within 15A NCAC 2B 0233 If you have any questions please telephone Lauren Witherspoon at 919 791 4251 Sincerely Danny Smith Surface Water Protection Section Supervisor Raleigh Regional Office Enclosures GC 3884 Certificate of Completion cc DWQ Central Office — WeBSCaPe — 1650 Mail Service Center RRO File Copy Brian Johnston & Brian Oschwald The Wooten Company 120 N Boylan Avenue Raleigh NC 27603 Filename 12 0487 Marsh Creek Interceptor Sewer Improvements_401_NBR_Approval