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Home My WebLink About20081046 Ver 6_Response to USACE RFAI Packet_20160111Jam' outkern E_nvironmental Group) Inc. 5315 South College Koad, juite E • Wilmington, North Carolina 28412 910.452.271 1 • Fax: 910.452.2899 - o{fice@segi.us • www.segi.us 11 January 2016 Electronic Mail [SEGi Project #: 10-032.011 Mr. Brad Shaver US Army Corps of Engineers Wilmington Regulatory Field Office 69 Darlington Avenue Wilmington, NC 28403 Brad.e.shaverkusace.army.mil RE: Response to USACE Request for Additional Information (RFAI) - Oyster Landing Subdivision Onslow County, North Carolina SAW -2006-00189 / DWR 08 1046 v5 Dear Brad, This correspondence is being submitted in response to your email dated 8 December 2015, regarding the Preconstruction Notification submitted for activities within Oyster Landing Subdivision which is located in Sneads Ferry, between Hwy 172 and Old Folkstone Road. In order to all the USACE to continue process the PCN, SEGi is submitting the following responses: 1. Agent Authorization is missing from the package. The Agent Authorization has been attached to this correspondence (see Attachment 1). 2. As this is a continuation of a formerly permitted subdivision, the map needs to clearly indicate the entire property line of the Applicant. Please provide a plat showing the property lines of the Applicant, and please omit any privately owned property (i. e Admiral Court and Blue Pennant Ct.). The map has been revised to clearly depict the entire property line of the Applicant, and private properties have been excluded (see Attachment 2). 3. Please clearly label all phases you are currently seeking. The current plan shows another spur across the access from Phase III but it is not labeled as a phase. Along this line please provide the complete development plan you are seeking with logical termini. The Corps expects that the preliminary approved subdivision plan from the County may be a starting point. A plan that includes future dead end roads aimed toward aquatic resources does not constitute a complete plan. The following is taken from the nationwide general conditions: 'A description of the proposed project; the project's purpose; direct and indirect adverse environmental effects the project would cause, including the anticipated amount of loss of water of the United States expected to result from the NWP activity, in acres, linear feet, or other appropriate unit of measure; any other NWP(s), regional general permit(s), or individual permit(s) used or intended to be used to authorize any part of the proposed project or any related activity. The description should be sufficiently detailed to allow the district engineer to determine that the adverse effects of the project will be minimal and to determine the need for compensatory mitigation. Sketches should be provided when necessary to show that the activity complies with the terms of the NWP. (Sketches usually clarify the project and when provided results in a quicker decision. Sketches should contain sufficient detail to provide an illustrative description of the proposed activity (e.g., a conceptual plan), but do not need to be detailed engineering plans); " The pian has been revised to clearly label all phases currently being considered under this Nationwide Permit request and "roads to nowhere" have been terminated into cul-de-sacs (see Attachment 2). 4. According to the Jurisdictional Determination (JD) approved by this office in August of 2011 there are additional jurisdictional resources in Phase II which are not shown on the current plan sets. Based on the old JD, there is a wetland in the middle of the proposed Phase II stormwater pond. Additionally, it appears the front slope of the same stormwater pond would impact resources on Lot 92. This is difficult to see as this is a 400' scale. The Corps asks for a smaller scale when activities border wetlands so that all secondary and cumulative impacts may be considered. It was SEGi's intention to discuss this wetland pocket, identified as #7 on the attached Existing Soil Road Aerial with Wetland Overlay Map (Attachment 5), during the site visit. However, the site visit had not taken place prior to the submittal of the PCN. It is of SEGi's opinion that the feature does not meet wetland criteria. With that being said, SEGi is requesting a site visit to evaluate the feature and have the USACE make a final determination on jurisdiction of the wetland. The stormwater pond has been redesigned to not encroach into the adjacent wetland (see Attachment 2). A zoom shot of the area has been incorporated into the plan. A hard copy of this correspondence and the accompanying attachments, with "to scale" copies of the plans will be submitted to your office. 5. Concerning the stormwater pond and its orientation to the wetland features, it's unclear as to whether or not wetland drainage would occur from its construction. What is the discharge elevation of the stormwater pond relative to the elevation of the wetland? A clay liner has been incorporated into design of the retention pond (see Attachment 2). This measure should ensure that the stormwater pond will not drain the adjacent wetland. In addition to those concerns listed within the RFAI, SEGi would also like to address concerns discussed in a phone conversation with yourself and Ms. Joanne Steinhuis (copied on this correspondence), which were raised as a result of a site visit that took place on 16 December 2015. The concern was regarding mechanized clearing that may have taken place within wetlands. To determine if mowing took place within wetlands, and if so the extent of mowing within wetlands, the wetland boundary was staked in several locations (see attached map — Attachment 3). SEGi then evaluated the areas of concern (see Attachment 4) It is of SEGi's opinion the work was undertaken in a manner that did not alter the area(s) in such a way that it would no longer be a water of the United States (i.e. the activity had inconsequential effect on the area and has not caused an identifiable individual or cumulative adverse effect). To alleviate future concerns, SEGi has urged the Applicant to refrain from mowing/mechanized clearing within jurisdictional wetlands, until such time a permit has been secured to do so or consultation with the USACE has taken place. On another note, with the staking of the wetland boundary line, concern over the fill of wetlands was discovered in the area of the existing soil road. SEGi is not convinced that fill has occurred and are placing reservation on this determination based on questions surrounding the preparation of the original survey data, which may have caused the wetland line to "float" somewhat. What we do know is that the wetland line was determined to be up against the existing soil road, which has been there for many years (see Attachment 5). Some improvements to the road took place, but according to the contractor, the work was limited to the footprint of the existing soil road. SEGi is requesting time to work with the surveyor and confirm the accuracy of the survey staking. Should it be determined that the fill of wetlands has taken place, restoration efforts, in the form of removing the fill and returning the area(s) to the original grade and contour, will be performed. Please call me, at your first opportunity, to discuss the unresolved matters further and schedule a site visit. Sincerely, Dana A. Lutheran Project Manager Enclosures: Attachment 1 — Agent Authorization Attachment 2 — Revised Oyster Landing Wetland Impact Map Attachment 3 — Wetland Boundary Staking Work Attachment 4 — Photos of Staked Wetland Boundary Areas Attachment 5 — Existing Soil Road Aerial with Wetland Boundary Overlay cc: Ms. Joanne Steenhuis —NC DWR 401 & Buffer Unit WiRO (joanne.steenhuis(2ncdenr.og_v) iJE-C-3l AGENT AUTHORIZATION FORM PROPERTY LEGAL DESCRIPTION PTTR3 OWENS GANDY S NC 172 & SR 1518 LOT NO. PLAN NO. PARCEL I.D. 060058. 056251 STREET ADDRESS: HWY 172 Property Owner (please print): Hoosier Daddy LLC c/o Jack Carlisle The undersigned, registered property owner of the above noted property, does hereby authorize Southern Environmental Group, Inc. (SEGi) to act on my behalf in matters regarding areas of environmental concern. Property Owner's Address (if different than property above): Jack Carlisle 6025 Tarin Road Wilmington. NC 28409 Telephone: 919-818-7078 We hereby ve information submitted in this application is true and accurate to the best of our i Owner Authorized Signature SEGi Authorized Signature v:(C (�f,qtpd,,� k Print Name Print Name v` 9/17/2015 Date Date Jurisdictional Determination Request D. PROPERTY OWNER CERTIFICATION I. the undersigned, a duly authorized owner of record of the property/properties identified herein, do authorize representatives of the Wilmington District, U.S. Army Corps of Engineers (Corps) to enter upon the property herein described for the purpose of conducting on-site investigations and issuing a determination associated with Waters of the U.S. subject to Federal jurisdiction under Section 404 of the Clean Water Act and/or Section 10 of the Rivers and Harbors Act of 1899. Hoosier Daddy LLC c/o Jack Carlisle Property Date E CTIONAL DETERMINATION TYPE Select One: I am requesting that the Corps provide a preliminary JD for This request does include a delineation. I am requesting that the Corps provide a preliminary JD for This request does NOT include a delineation. I am requesting that the Corps investigate the property/proj absence of WoUS5 and provide an approved JD for the prod request does NOT include a request for a verified delineati( I am requesting that the Corps delineate the boundaries of a area and provide an approved JD (this may or may not inch I am requesting that the Corps evaluate and approve a delin by others) on a property/project area and provide an approv include a survey plat). 4 For NCDOT requests following the current NCDOT/USAGE protocols, skip to PE S Waters of the United States Version: December 2013 Page 4 Revision .. - - Attachment 2 (Revised Site Plan 1®11®16) _ Property not - \ I \ current) owned ............ . ... ......... ^ b the Applicant ................... . .... ............................... ....... ,... \_ ........................................... .. /.r /...........\.. ...� — .......................... /., .............. ..\\.................................. SELMMO 1 ► ........, \....\._----/' . . . . . . . . . . I" AM ............ , /......../\...................................... 1... .......... /................. . .... .................... \ qj OF I. . . .•.•1 �`.,% •....... moi' PHASE 11 \\ / \.. 1 . / .. i' / /�,...........................rte_ r" ............................ . . . . . . . . . . . . . .�,.��/ \............./ /............/� . . . . . . . . . %...........% / .............I ./i / 1 . .. \\ \ . . . . . . . . . . . . J / STORM / �, ........ ; 1 MANHOLE \\ , ..., , �,......., / .....ti. �........: \� ...... \ \..\ / \ /\�._\/� ......� .�.........I / ........ STORM ,.... ,........, �......., M A LE � ...................... ( ,....... I CULVERT \,. I^ L . . . . . _ ^ ...... \../ \ .............�� / ��;�`• \...\ �,.....�_�-�-...�� v �••••.i=� •.•.•.•.•.•i ter. TEMPORARY /....... '\ :.:.:.:.:.:.:.:.:.:.:.I WETLAND ► ............ `I;.... ! �� ...................... . 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CENTeR—LINE—ROAD--�— ( / 1 \ \{ EDGE OF PAVEMENT . . . . . . . . . . . . --/- \. 7 fi / . . . . . \.............�/. .... J .............................. \.. . ;--1�\\'. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J• ............................. /.` 2M RMD AREA. b /. N 6.661 ACRES ` x ` ...................................... / I / ' ............. .....—............... 1 . . . . . . . . . . . . . . ./r.\. ./�l. . . . . . . . . . . . . .. \ / . . . . . . . . . . . . . / \v/ \. . / \ / \ . . . . . . . . . . . . . . . . ' / . . . . . . . . . . . . . . . ... l 1 ................ /. . .. . . . . . . . . . 5-47 / . . . . . . . . . . . . . . . . . — re .. C C ....... \i \ . / I. ��/\ . . . . . . . . . . . . . \ \\�. . . . . . . . moi/ \ _�. , . r / . . . . . . . . . . . . . . . . . . . . . . . . . . . GRAPHIC SCALE �. 200 0 100 200 400 \ • ' • . . . . . . . . . . . . . . . . . . / I...............�`�/ \............./ 1 inch = 200 ft. HORIZONTAL /. 1 inch = 4 ft. VERTICAL / /. ' ' ' ' ' ' ' ' ' ' PHASE II VERTICAL CLA ARRIER 9 BOTTOM ELEV = 6.50 TOP ELEV = .0 MIN. WIDTH = 1 " LENGTH = 50 FT / ?MAL POOL '.VATION OF D IS 57.00 VERTICAL CLAY BARR � 1"=30' r............ Scale AS SHOWN s— Date MNH OCT, 2015 — — MElUWID AREA 6,407* Sq/FL \ _ .\\ - EDGE OF PAVEMENT \ r.' CENTeR—LINE—ROAD--�— ( / 1 \ \{ EDGE OF PAVEMENT . . . . . . . . . . . . --/- \. 7 fi / . . . . . \.............�/. .... J .............................. \.. . ;--1�\\'. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J• ............................. /.` 2M RMD AREA. b /. N 6.661 ACRES ` x ` ...................................... / I / ' ............. .....—............... 1 . . . . . . . . . . . . . . ./r.\. ./�l. . . . . . . . . . . . . .. \ / . . . . . . . . . . . . . / \v/ \. . / \ / \ . . . . . . . . . . . . . . . . ' / . . . . . . . . . . . . . . . ... l 1 ................ /. . .. . . . . . . . . . 5-47 / . . . . . . . . . . . . . . . . . — re .. C C ....... \i \ . / I. ��/\ . . . . . . . . . . . . . \ \\�. . . . . . . . moi/ \ _�. , . r / . . . . . . . . . . . . . . . . . . . . . . . . . . . GRAPHIC SCALE �. 200 0 100 200 400 \ • ' • . . . . . . . . . . . . . . . . . . / I...............�`�/ \............./ 1 inch = 200 ft. HORIZONTAL /. 1 inch = 4 ft. VERTICAL / /. ' ' ' ' ' ' ' ' ' ' PHASE II VERTICAL CLA ARRIER 9 BOTTOM ELEV = 6.50 TOP ELEV = .0 MIN. WIDTH = 1 " LENGTH = 50 FT / ?MAL POOL '.VATION OF D IS 57.00 VERTICAL CLAY BARR � 1"=30' r............ Scale AS SHOWN Drawn By Date MNH OCT, 2015 Checked By MElUWID AREA 6,407* Sq/FL \ ... ..../ STORM \ . \ It MANHOLE �\ \ . I �........1\.......'a . . . . . . . . . .I , /,, 1 � S T ,..... �,. .... . STORMLE � ...................�..�.........�`_;....... �...�....... CULVERT..................... .� ,......., ` . . . . . . . . . . . . �� /. .. J. ` . \ /. . . . . . . . . . . . TEMPORARY `,..-...........\ ,�;� ,\ /, 1�;, ........ ,,�\ ,....:' 1 ��-.,�;.:...�� -� WETLAND \ ............ ...................... . \-1\ .................../ IMPACT�................;,./ �► �........................ ,. �,, ......................... /.............;! ,............., I. ........................ .......... ^ /. /. .I / . 1 4,516 St / `1'1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .................1 ,I 1................................. 1(—�/................................. / / \. ................................ ; ��,�� .. FUTURE J\ \ ,.................................. �--4 1 . \ \ /1. . . . . ./ ./ POND / J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......EA .............. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ;;.............. ....... ... • . I. PR I. I RY. DESIGN - NOTRELEASED FOR CONSTRUCTI J\ ON , .............. ....... ..... . . Designer MNH Scale AS SHOWN Drawn By Date MNH OCT, 2015 Checked By Job No. MNH OYSTER LANDING SUBDIVISION SNEADS FERRY ONSLOW NORTH CAROLINA HOOSIER DADDY, LLC 6025 TARIN ROAD WILMINGTON, NC 28409 PORT CITY CONSULTING ENGINEERS, PLLC 6216 STONEBRIDGE ROAD WILMINGTON, NC 28409 910-599-1744 LICENSE No. P-1032 WETLAND MAP Sheet No. C-1 No. Revision Date B \ FN— 1 1 - - - d• FN— — J EDGE OF PAVEMENT --O CENTER-LINE-ROAD---� EDGE OF PAVEMENT GRAPHIC SCALE 200 0 100 200 400 1 inch = 200 ft. HORIZONTAL 1 inch = 4 ft. VERTICAL 9 Designer MNH Scale N.T.S. Drawn By Date MNH OCT, 2015 Checked By Job No. MNH WETLAND AREA 28.66± ACRES l / c \0 ® - 41 / / qr @ , \I I / ' ----- / —\ I � \ , , 1 3o I 1 � ;♦� ��..�. STORM � �.•`\\ 4 ; \ , VANHOLE STORM \\ \\ STORM E r CULVERT \` �\ i i - \` i i PHASE _WETLAND AREA - 6,407± Sq/Ft. \ WETLAND MPACT\ \/. I \ / `14,518± Sp7Ft. \ I / / 1 / r-\ //. WETLAND AREA. 66.10± ACRES PRELIMINARY DESIGN - NOT RELEASED FOR CONSTRUCTION OYSTER LANDING SUBDIVISION SNEADS FERRY ONSLOW NORTH CAROLINA HOOSIER DADDY, LLC 6025 TARI N ROAD WILMINGTON, NC 28409 PORT CITY CONSULTING ENGINEERS, PLLC 6216 STONEBRIDGE ROAD WILMINGTON, NC 28409 910-599-1744 LICENSE No. P-1032 WETLAND MAP Sheet No. C-1 Rol* fig ar.. :. K MY �wll! � i _}Jyy Attachment 4 (Page 2 of 2) Oyster Landing 1-7-16 Photo Key Photo Area (Corresponds to wetland areas on Attachment 5) 1 4 2 5 3 7 4 6 5 1 N 3 3 •� �: ,� t„� -yam sx e �