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HomeMy WebLinkAbout20030549 Ver 1_Major Variance_20030505ENVIIIIINMEN9'AL PROFESSIONALS INC Pl.ANNlNG 1 OR A 13FT FF7: FNVIKONMFN I April 30, 2003 oe? North Carolina Division of Water Quality Attn: Mr. Bob Zarzecki 1617 Mail Service Center Raleigh, NC 27699-1617 Re: Lot F - J. Blount-Bryant Heirs Tract Ocracoke, Hyde County, North Carolina Major Variance Request Dear Mr. Zarzecki, 000n? K.A G4a.9 WETLANDS 1401 GROUP MAY o e5 WATER QUALITY SECTION Enclosed is the completed Major Variance application and plats for Mr. Earl Younce for approval to construct a single-family dwelling and pretreatment sewage disposal system within the 50 foot Tar-Pamlico buffer setback. The wetland alignment was established by Environmental Professionals, Inc. and confirmed by the U.S. Army Corps of Engineers on May 8, 1998 (see attached Notification of Jurisdictional Determination). The property was subdivided into numerous lots, including Lot F and was recorded April 15, 1999. The attached plat depicts the location of the Corps' jurisdictional wetlands, which corresponds with the Division of Coastal Management's coastal wetland alignment. This site is buildable without wetland impacts, except that need for access across South Gut Canal. However, strict application of the Tar-Pamlico Buffer Rules would prevent Mr. Younce from building a home on the property, as indicated on the attached plat. An on-site wastewater system is proposed for the site using a Puraflo Bio Filter Bord Na Mona, Type A wastewater system. Proposed impacts to Zone 1 are limited to 3,644 square feet within the footprint of the dwelling and driveway. Mr. Younce is prepared to submit a $0.96 per square foot (3:1 ratio on a square foot basis) as compensatory mitigation to the North Carolina Wetland Restoration Program for impacts to Zone 1. We appreciate your review and consideration of this request. Sincerely, Environmental Professionals, Inc. dg?U1eoaodJCZEP PWS GIIW:kac Attachments: a/s P.O. BOX 3368 • KILL DEVIL HILLS, NORTH CAROLINA 27948-3368 • 2 52-441 -0239 FAX: 252-441-0721 9 EMAIL: epi1@pinn.net OFFICE USE ONLY: Date Received _ , ._____.___.__ Request # State of North Carolina Department of Environment and Natural Resources Division of Water Quality Variance Request Form Neuse River Basin: Nutrient Sensitive Waters Management Strategy Protection and Maintenance of Riparian Areas Rule (15A NCAC .0233) NOTE: This form may be photocopied for use as an original. Part 1: General Information 1. Applicant's name (the corporation, individual, etc. who owns the project): Earl Younce 2. Print Owner/Signing Official (person legally responsible for the facility and its compliance) Name: Earl Younce Title: Owner Street address: P.O. Box 7 City, State, Zip: Avon NC 27915 Telephone: ( 252) 995-4123_ Fax: (252) 995-6061 3. Project Name (Subdivision, facility, or establishment name - consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): ?__ Lot F Bryant Heirs Subdivision 4. Location of Facility Street address: N/A City, State, Zip: __..Ocracoke North Carolina 27960 County: __ --- Hyde Latitude/longitude: --Geodetic 388503 041004 5. Directions to facility from nearest major intersection (Also attach a map): from NC 12 towards Ocracoke, (town, area) take a left can Poi,nt..Road.._S R. #1326 to the 20 foot?rivate ROW after Odd Fellows Road _ 6. Contact person who can answer questions about the facility: Name: George Wood Telephone: (252.) 44.1_-0.239 Fax: (252) 441-0721 Email: environmentalpro(d)earthlink. net 7. Requested Environmental Management Commission Hearing Date: July 9, 2003 Version 1: September 1998 Jr Part 2: Demonstration of Need for a Variance NOTE: The variance provision of the Neuse Riparian Area Rule allows the Environmental Management Commission to grant a variance to an affected party when the following conditions apply on a given project: (a) practical difficulties or hardships would result from strict application of the rule: (b) such difficulties or hardships result from conditios which are peculiar to the property involved; and (c) the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. This part of the application is to explain how the project meets criteria (a) and (b). Attach a detailed description (2-3 pages) explaining the following: • The practical difficulties or hardships that would result from strict application of the Rule. • How these difficulties or hardships result from conditions that are unique to the property involved. • Why reconfiguring and/or reducing the built-upon area to preserve a greater portion of the riparian area is not feasible on this project. If economic hardship is the major consideration, then include a specific explanation of the economic hardship and the proportion of the hardship to the entire value of the project. Part 3: Water Quality Protection NOTE: This part of the application is to explain how the project meets criterion (c): the general purpose and intent of the Rule would be preserved, water quality would be protected and substantial justice would be done if the variance were granted. Briefly summarize how water quality will be protected on this project. Also attach a detailed narrative (1-2 pages) describing the nonstructural and structural measures that will be used for protecting water quality and reducing nitrogen inputs to surface water. The impacts to Zone 1 have been minimized by proposing to install a pretreatment sewage disposal system and construction of a small residential structure (2 bedrooms). All stormwater will be diverted away from South Gut Canal byguttering to the area, which will remain naturally vegetated, constituting an established vegetative filter. No wetland impacts are required for this development except for the proposed bridge across South Gut Canal for access. The sewage improvements will be more than 50' from the canal. 2. What is the total project area in acres? ____ 5.76 acres 3. Which of the following permits/approvals will be required for this project? CAMA Major Sediment/Erosion Control a?_ 401 Certification/404 Permit Variance Request Form, page 2 Version 1: September 1998 r Part 3: Water Quality Protection, continued 4. Complete the following information for each drainage basin. If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. Project Information Drainage Basin 1 Drainage Basin 2 Receiving stream name South Gut canal Receiving stream class' SC Drainage basin area (total) 5.76 acres Existing impervious area3 (total) 0 Proposed impervious area3 (total) 3,948 SF % Impervious area3 (on-site) 1.6% % Impervious area3 (total) 1.6% Impervious area3 Drainage basin 1 Drainage basin 2 On-site buildings 832 SF On-site streets 2,812 SF On-site parking under house -0- On-site sidewalks 0 Other on-site -sewaae control 304 SF I Off-site 1 0 1 1 r. . I •I ? ?. ? _a'_._ ?_ I_u_./A_I?_ _.__ _L_L_ .__ .._/_L____I-__/_I?L_/ _.. LL?-I I IIG Illlalllcl JIIG /VI 11110 IIIIVIIIIaIIVII IJ Illy././/IILV. ?.III.JIUIG.IIV.uJ/JII IIIVIaJJ/UII./IICJ/I IIJ......... 2 Total means on-site plus off-site area that drains through the project. 3 Impervious area is defined as the built-upon area including, but not limited to, buildings, parking areas, sidewalks, gravel areas, etc. 5. How was the off-site impervious area listed above derived? NIA 6. What will be the annual nitrogen load contributed by this site after development in pounds per acre per year without structural BM Ps (stormwater pond, wetland, infiltration basin, etc)? Attach a detailed plan for all proposed structural stormwater BMPs. N/A Drainage Size of Post development BMP nitrogen Final nitrogen Final nitrogen basin drainage nitrogen loading rate removal loading rate loading from basin without BMPs' effciencl (lbs/ac/yr) drainage basin ac bs/aCIA) bs 1 2 3 4 5 .Oak :::::::::::::::: r+"awl t;alL U/au unJ allu /c/c/clll.c0. 5 Attach calculations and references. Variance Request Form, page 3 Version 1: September 1998 Part 3: Water Quality Protection, continued 7. The applicable supplemental form(s) listed below must be attached for each BMP specified: Form SWU-102 Wet Detention Basin Supplement Form SWU-103 Infiltration Basin Supplement Form SWU-105 Curb Outlet System Supplement Form SWU-106 Off-Site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-109 Innovative BMPs Supplement Part 4: Submittal Checklist A complete appplication submittal consists of the following components. Incomplete submittals will be returned to the applicant. The complete variance request submittal must be received 90 days prior to the EMC meeting at which you wish the request to be heard. Initial below to indicate that the necessary information has been provided. Applicant's Item Initials . Original and two copies of the Variance Request Form and the attachments listed below. T A vicinity map of the project (see Part 1, Item 5) • Narrative demonstration of the need for a variance (see Part 2) <_T . A detailed narrative description of stormwater treatment/management (see Part 3, Item 1) KT • Calculations supporting nitrogen loading estimates (see Part 3, Item 6) KT- - • Calculations and references supporting nitrogen removal from proposed BMPs (see Part 3, Item 6) KT • Location and details for all proposed structural stormwater BMPs (see Part 3, r K- Item 6) ----- ---- - • Three copies of the applicable Supplement Form(s) for each BMP and/or narrative for each innovative BMP (see Part 3, Item 7) ---K ---_- . Three copies of plans and specifications, including: K-r 0 Development/Project name __? 0 Engineer and firm 0 Legend and north arrow K"r 0 Scale (1" = 100' or 1" = 50' is preferred) K -r 0 Revision number & date T 0 Mean high water line (if applicable) _ L 0 Dimensioned property/project boundary K_t 0 Location map with named streets or NC State Road numbers K_T___..-_ 0 Original contours, proposed contours, spot elevations, finished floor K r elevations K r 0 Details of roads, parking, cul-de-sacs, sidewalks, and curb and gutter Kr 0 Footprint of any proposed buildings or other structures ----------?`-r -- 0 Wetlands delineated, or a note on plans that none exist kr 0 Existing drainage (including off-site), drainage easements, pipe sizes, runoff - - - -- calculations - -----K r - - 0 Drainage basins delineated kr 0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries 0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries Variance Request Form, page 4 Version 1: September 1998 12/20'/2092 18:43 2524410721 ENVIRONMENTAL PROFES PAGE 03 Part 5: Deed Restrictions By your signature in Part 7 of this application, you certify that all structural stormwate management practices required by this variance shall be located in recorded stormwi easements, that the easements will run with the land, that the easements cannot be c deleted without concurrence from the State, and that the easements will be recorded sale of any lot. Part 6: Agent Authorization If you wish to designate submittal authority to another individual or firm so that they Information on your behalf, please complete this section: Designated agent (individual or firm): Mailing address: City, State, Zip; Telephone: Fax; Email: Part 7: Applicant's Certification i, Mr Earl Younge (print or type name of ps Part I, Item 2), certify that the information included an this permit application form is the project will be constructed in conformance with the approved plans and that the restrictions in accordance with Part & of this form will be recorded with all required I conditions. -00 Signature: L? Date: ?? Title: best nged or or to the provide listed in pct, that Variance Request Form, page 5 Version 1; September 1098 PART 2: DEMONSTRATION OF NEED FOR VARIANCE The lands of the Jane Blount-Bryant Heirs was considered for subdivision in 1997. As a part of that subdivision process, the owners had the wetlands delineated at the site, which was surveyed and confirmed by the U.S. Army Corps of Engineers on May 8, 1998. The subsequent subdivision process was recorded on April 15, 1999. This resulted in the lots that could support sewage improvements and houses prior to the implementation of the Tar-Pamlico Riparian Buffer Protection Rules, which took effect January 1, 2000. Because of the implementation of these Rules the ability to place structures, which would be outside of the Tar-Pamlico buffer, became impossible on Lot F of the Jane Blount-Bryant Heirs Subdivision, without the need to consider variances from these Buffer Rules. Ocracoke represents sites that have issues with regards to the Tar-Pamlico Buffer Rules because of the extensive wetlands, which find their ways into the interior of the Village of Ocracoke. Mr. Younce has undertaken a reasonable reduction in the proposed development to avoid impacts to the Tar-Pamlico buffer area, including the implementation and use of a pretreatment wastewater system to minimize setbacks associated with a system to service a two-bedroom residence. The attached plat shows how Mr. Younce intends to place the septic system in the area that is furthest away from any adjoining waters (more than 50 feet), and the house will be constructed in such a manner to minimize encroachments into the buffer area. PART 3: WATER QUALITY & PROTECTION Water quality will be protected by the proposed project by the use of a pretreatment on-site wastewater system such as a Puraflo Bio Filter Bord Na Mona, Type A wastewater system. This system allows for reductions of setbacks required by the Laws and Rules for Sewage Treatment and Disposal Systems because of the quality of the effluent after pretreatment. Although this system is not totally affective in nitrogen removal, the drainfield will be set back 50 feet from adjacent surface waters. This small home will accommodate only two bedrooms, thus reducing the dosing of the system and drainfield. The house will be guttered and stormwater diverted to the southwest and allowed to infiltrate across an extensive natural vegetative filter. 1-1) TopoQuads Copyright 201999 Dclmrmc Yarmouth, ME 04096 Source Data: 1LSGS ; ;I'M rr 14-6- 1 • 17 aaa naroo. Ie_I n ?.... wr-C4e I ,111, r .46' I, VE I 6>> I X111, 2 J bQ, ?l J 'UBDIVISION CAROLINA #. 02-122 S 26019135 „ E 475.00' any _., 382.7 I X111, I X111, I 6 ?? 5 ,. 0 --_?_ G E T-?... /CUT CAN \ -' A L _ UPLANDS , RIVEWAY 2E ,gEEEss? \1 I I, ?i E\SM T < ?.. ^? ??^'??? ? N \111, r'^?' 00 UPLAN N I \111 00 \111% ? J ,? 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BOX 3368 KILL DEVIL HILLS, NC 27948 HYDE COUNTY OCRACOKE zACOKE NORTH CAROLINA (252)441-0239 DATE: 1 27 03 \ (252)441-0721 (FAX) SCALE: 1"=50' DATE: DRAWN BY: RW REVIEWED BY: _ ED BY: GW JOB 02 122 BASE MAP TAKEN FROM SEABOARD SURVEYING NOT FOR CONSTRUCTION FOR PERM fJ ~ ~OR P RMITTING PURPOSES ONLY E