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HomeMy WebLinkAbout20090565 Ver 1_Other Agency Comments_20131219REPLY TO ATTENTION OF DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORPS OF ENGINEERS 69 DARLINGTON AVENUE WILMINGTON, NORTH CAROLINA 28403 -1343 December 17, 2013 Regulatory Division Action ID No SAW- 2009 -00832 Mr. Taylor Downey Weyerhaeuser Real Estate Development Company (WREDCO) Post Office Box 12768 New Bern, North Carolina 28561 Dear Mr Downey dq-�s lJ L9 DEC 1 9 20113 This letter serves to verify our December 5, 2013 receipt of the November 18, 2013 Baseline Monitoring Document and As -Built Report and your effort to satisfy Task 2 0 in the Credit Release Schedules of Table 4A and Table 4B of the July 9, 2012 executed Mitigation Banking Instrument (MBI) establishing Bachelors Delight Stream Mitigation Bank in Jacksonville, Onslow County, North Carolina Additionally, please reference my March 19, 2013 final inspection of the bank's construction Our office acknowledges that Tables 1 and 2 of Section 1 5 (enclosed) in the report have adjusted both stream and riparian wetland credits to reflect the results of the As -Built surveys Final total stream and wetland credits in the bank have been modified to the following 1) Stream Credits = 26,535 and 2) Riparian Wetland Credits = 83 6, with Non - riparian Wetland Credits remaining the same at 87 Based on the submitted report and the inspection, our office has confirmed that all initial construction and biological improvements have been completed and that Task 2 0 requirements have been satisfied By fulfilling Task 2 0 in Tables 4A and 4B and with the adjusted credit amounts, this letter serves to confirm the release of 15% of all credits, which total 3,980 stream credits, 12 5 riparian wetland credits, and 13 0 non - riparian wetland credits The release of the remaining credits will be contingent on the review of the subsequent monitoring reports by the Interagency Review Team and our office Please be reminded that all annual monitoring reports, as stated in the October 2010 final mitigation plan, must be submitted to our office by February 15th of each year A Dc Ji3 D N W�tt� -2- If you have any questions or comments, please contact me at the Wilmington Regulatory Field Office, telephone (910) 251 -4811 Enclosure Copies Furnished (with enclosure) Mr Christian Preziosi Land Management Group, Inc 3805 Wrightsville Avenue, Suite 15 Wilmington, North Carolina 28403 Mr David Ashcraft NC State Natural Resources Foundation, Inc Campus Box 8010 Room 3060, Biltmore Hall Raleigh, North Carolina 27695 Mr Glenn Catts Hofmann Forest Liaison College of Natural Resources North Carolina State University 2023 Biltmore Hall, Post Office Box 8002 Raleigh, North Carolina 27695 Mr Todd Bowers U S Environmental Protection Agency Wetland Section- Region 4 61 Forsyth Street, S W Atlanta, Georgia 30303 -8960 Sincerely, t MickJSgg, Project Manager Wilmington Regulatory Field Office Mr Chad Coburn Wilmington Regional Office North Carolina Division of Water Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405 Mr Eric Kulz North Carolina Division of Water Resources Wetlands, Buffers, Stormwater -, Compliance and Permitting Unit 1650 Mail Service Center Raleigh, North Carolina 27699 -1650 Ms Maria Dunn North Carolina Wildlife Resource Commission 943 Washington Square Mall Washington, North Carolina 27889 Ms Debbie Wilson, Manager Wilmington Regional Office North Carolina Division of Coastal Management 127 Cardinal Drive Extension Wilmington, North Carolina 28405 -3- Mr Roy Brownlow North Carolina Division of Coastal Management 400 Commerce Avenue Morehead City, North Carolina 28557 -3421 Ms. Kathy Matthews United States Fish and Wildlife Service Post Office Box 33726 Raleigh North Carolina 27636 -3726 Mr Fritz Rohde National Marine Fisheries Service Pivers Island Beaufort, North Carolina 28516 Ms Joanne Steenhuis Division of Water Quality North Carolina Department of Environment and Natural Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405 o9 -asps Bachelors Delight Stream and Wetland Mitigation Bank Owdow County NC BASELINE MONITORING DOCUMENT &, AS -BUILT 1.4 Stream and Wetland Gauges Groundwater and surface water gauges were installed within restored wetlands and streams on -site Groundwater gauges were installed in restored wetlands and restored zero -order streams Surface water gauges were installed in restored first -order stream channels Gauge location maps are included in Appendix C. 1.5 Credit Summary Table 1 and Table 2 summarize the as -built mitigation quantities for wetlands and streams, respectively Riparian wetlands were restored (60 acres) and enhanced (28 acres) as a result of stream channel and ditch modifications within the Site Additionally, 48 acres of riparian wetlands were preserved as a result of mitigation efforts Riparian mitigation credits total 83 6 The Site provides a total of 85 acres of non- riparian wetlands, located throughout inter- stream flats on the Site, that were restored as a result of hydrologic modifications (i a ditch plugs) Additionally, 13 acres of non -npanan wetlands were preserved Non - npanan mitigation credits total 86 9 Table 1. Wetland Mitigation Quantities Final stream mitigation includes 16,786 if of restored zero order and first order streams, 5,966 if of enhanced (Enhancement II) streams and 11,400 If of preserved streams These channels total 25,323 stream mitigation credits Additional stream mitigation credits are derived through the preservation of stream buffers beyond the standard minimum widths (i e 50 ft) The mean correct factor (employing SBCF) for the restored streams on the Site is 12 8 %, corresponding to 1,212 stream credits A total of 1,212 stream credits were garnered by maximizing stream buffers Credits were calculated using the Stream Buffer Correction Factor (SBCF) Total stream mitigation credits to be received from the Site, including stream restoration, enhancement, preservation and SBCF credits total 26,535 A summary of stream mitigation and its associated credits is depicted in the Table 2 below icy Engineering Riparian Wetlands Type Restoration Enhancement Preservation (Riparian) Preservation (Non-riparian) Tota Ratio 1.0 :1 2.0 :1 5.0 :1 7.0 :1 1 Riparian Ac 60 28 48 1 136 Total Credits 60 14 9.6 0 83.6 Non-riparian Wetlands Type Restoration Enhancement Preservation (Riparian) Preservation (Non- riparian) Tota I Ratio 1.0 :1 2.0 :1 5.0 :1 7.0 :1 Non - npanan Ac 85 13 98 Total Credits 85 0 0 1.9 86.9 Final stream mitigation includes 16,786 if of restored zero order and first order streams, 5,966 if of enhanced (Enhancement II) streams and 11,400 If of preserved streams These channels total 25,323 stream mitigation credits Additional stream mitigation credits are derived through the preservation of stream buffers beyond the standard minimum widths (i e 50 ft) The mean correct factor (employing SBCF) for the restored streams on the Site is 12 8 %, corresponding to 1,212 stream credits A total of 1,212 stream credits were garnered by maximizing stream buffers Credits were calculated using the Stream Buffer Correction Factor (SBCF) Total stream mitigation credits to be received from the Site, including stream restoration, enhancement, preservation and SBCF credits total 26,535 A summary of stream mitigation and its associated credits is depicted in the Table 2 below icy Engineering Bachelors Delight Stream and Wetland Mitigation Bank Onslow County, NC BASELINE MONITORING DOCUMENT & AS -BUILT Table 2. Stream Mitigation Quantities Engineering Streams Type Restoration Enhancement H Preservation Total Ratio 1.0:1 1.5:1 2.5:1 Hewitts Branch HE -1 (LF) 5,011 5,011 HE -2 (LF) 1,900 1,900 HE -3 (LF) 538 538 HE -4 LF 3,000 3,000 Huffmans Branch HU -I (LF) 3,354 3,354 HU -IA (Zero- Order) (LF) 171 1,200 1,371 HU -2 (Zero- Order) (LF) 1,225 1,225 HU -3 LF 2,000 2,000 Bachelor's Delight Swamp BD -1 (Zero Order) (LF) BD -2 (Zero Order) (LF) 447 447 BD -3 (LF) 1,700 1,700 BD -4 (Zero Order) (LF) 2,552 2,552 BD -4A (Zero Order) (LF) 1,057 1,057 BD -5 (LF) 1,728 1,728 BD -5A (Zero Order) (LF) 896 896 BD -5B (Zero Order) (LF) BD -5C (Zero Order) (LF) BD -5D (Zero Order) (LF) BD -6 (LF) 1,700 1,700 BD -7 LF 3,600 3,600 Half Moon Creek HM -1 (Zero Order) (LF) 934 934 HM -1 LF 1,138 1,138 Total Linear Feet 16,786 5,966 11,400 34,152 Total Credits 16,786 3,977 4,560 25 323 Stream Buffer Correction Factor SBCF Hewitts Branch 644 Huffmans Branch 420 Half Moon Creek 148 Total SBCF Credits 1,212 Total Stream Mitigation Credits 26,535 Engineering