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HomeMy WebLinkAbout20051492 Ver 1_Complete File_20050804 (2) @ TAYLOR WISEMAN & TAYLOR ENGINEERS I SUHVEYORS I SCIENTISTS transmittal To: Laurie Dennison Division ofWater Quality 2321 Crabtree Blvd Suite 250 Raleigh, NC 27604 DATE: August 3, 2005 2 0 JOD No.: 70470.0003.00 0 6 1 4 9 2 PROJECT: Buckhorn B4~ \~[~;nW!~iFJfn u ,\ I!!J · t,UG ,1 2005 WE ARE SENDING YOU: ','),. 'j ..:. ~,_,{ '>J r'J " j, ): '. I') ~-~ c.", ..." ~), /"'4/ " . .. ""--....U [;:[;;< - \ :;',j U< CU."J lY \"'E:TL/.:... j J :.'J ;,'j :\ :'" ,';>,"; L'>~ C~I.:<CH COPIES DRAWING LAST REVISED DESCRIPTION NUMDER 1 Pre-construction Notification Application Form 1 Preliminary Wetlands Survey 1 Approved Site Plans (llIX17") THESE ARE TRANSMITTED AS CHECKED BELOW: o FOR DISTRIBUTION 0 ApPROVED [8J FOR USE ON THE PROJECT 0 ApPROVED AS NOTED o FOR REVIEW/COMMENT 0 REJECTED o RESUBMIT COPIES o FOR YOUR FILES o REMARKS: I am supplying you with one courtesy copy of the above material for your files. We will be replacing storm pipe at existing locatins, but making no new impact to areas within the wetland boundaries. COPIES COPIES COPIES COPIES cc: cc: cc: cc: Lynette Royster TAYLOR WISEMAN & TAYLOR 3500 Rcgency Parkway' Suitc 160 . Cary, North Carolina 27511 . Tel: (919) 297-0085 . Fax: (919) 297-0090 www.taylorwiseman.com . , " ., \ 1'..:~\ \' \ \, :.J '-)\ ) .' _,,'.-J ,:. \ ) " oJ .,- Office Use Only: Form Version March 05 USACE Action ID No. DWQ No. (If any particular item is not applicable to this project, please enter "Not Applicable" or "N/ A".) 2 0 0 5 1 4 9 2 I. Processing 1. Check all ofthe approval(s) requested for this project: D Section 404 Permit D Riparian or Watershed Buffer Rules D Section 10 Permit D Isolated Wetland Permit from DWQ D 401 Water Quality Certification D Express 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: 3 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ~ 4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII, and check here: D II. 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further dt~iJ_~)~~e,~gJ~et5:iQI~D ,,"'. J Applicant Information .I\UG ,i 2005 . 1. ~::~/Applicant Informa~~~ Clark Homes ..,.E1l5',:~j::-\.j;~~.\.;:~-L:.\i:ir.::H Mailing Address: PO Box 31028 Raleigh, North Carolina 27622-1028 Attn: Hal Adams Telephone Number: (919) 852-5999 E-mail Address:hal@billclarkhomes.com Fax Number: (919) 852-0505 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached ifthe Agent has signatory authority for the owner/applicant.) Name: Taylor Wiseman & Taylor Company Affiliation: Engineering Consultant Mailing Address: 3500 Regency Parkway, Suite 160 Cary, North Carolina 27511 Telephone Number: (919) 297-0085 Fax Number: (919) 297-0090 E-mail Address:royster@taylorwiseman.com Page 5 of 13 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impcrvious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Buckhorn Ridge Cluster Subdivision 2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A 3. Property Identification Number (Tax PIN): 0637-84-9850 4. Location County: Wake Nearest Town: Holly Springs Subdivision name (include phase/lot number): Buckhorn Ridge Directions to site (include road numbers/names, landmarks, etc.): From US I South, Exit NC 55 South, Turn Right on SR 1115 Avent Ferry Road, Turn left on SR 1116 Cass Holt Road, Subdivision is located 2.1 miles on Left at Intersection with SR 1127 Rex Road. 5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) N/ A Decimal Degrees (6 digits minimum): ON oW 6. Property size (acres): 166.41 7. Name of nearest receiving body of water: Buckhorn Creek 8. River Basin: CAPE FEAR (Note - this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h20.enr.state.nc.us/admin/maps/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time ofthis application: The site is currently zoned for a cluster subdivision R-20 & R-30. It was previously utilized as a mobile home park. The site contains, existing water and Page 6 of 13 sewer lines. a wastewater treatment plant. pre-existing community wells. pre-existing roads and two ponds. 10. Describe the overall project in detail, including the type of equipment to be used: We will be developing this site utilizing the pre-existing infrastructure as much as possible. We will be replacing and upsizing Storm Pipe and adding headwalls on some structures to prohibit impacting designated wetlands. intermittent streams and other water features on site. 11. Explain the purpose of the proposed work: Stormwater Management of subdivision site. IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ill Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). Ifthis is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. N/ A V. Future Project Plans Arc any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. The subdivision is being developed in three phases. this request is for Phase 1. VI. Proposed Impacts to \Vaters of the United StateslWaters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. Each impact must be listed separately in the tables below (e.g., culvert installation should be listed separately from riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts, permanent and temporary, must be listed, and must be labeled and clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) should be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Page 7 of 13 Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: No wetland impacts. During construction. we will be replacing existing culverts in the same location. but no new or additional impact to delineated wetlands. 2. Individually list wetland impacts. Types of impacts include, but are not limited to mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, t I r t . t d t b tl t t d fl d' separa elY IS Impac s ue 0 o 1 s ruc ure an 00 mg. Wetland Impact Type of Wetland Located within Distance to Area of lOa-ycar Ncarcst Impact Sitc Number Type ofImpact (c.g., forested, marsh, Floodplain Stream (acres) (indicate on map) herbaceous, bog, etc.) (ycs/no) (linear fcet) Total Wetland Impact (acres) a 3. List the total acreage (estimated) of all existing wetlands on the property: 4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams t b . I d d T I I t It' I I th X . dtl th d" d b 43 560 mus e mc u e . o ca cu a e acreage, mu !PlY engl WI 1, en IVl e IY , Stream Impact Perennial or Average Impact Area of Number Stream Name Type of Impact Intermittent? Stream Width Length Impact (indicate on map) Before Impact (linear feet) (acres) Total Stream Impact (by lcngth and acrcage) a a Page 8 of 13 5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.). Open water impacts include, but are not limited to fill . d d' fl d' d' b lkl d t I ,excavatIon, re 19m9, 00 mg, ramage, u lea s, e c. Opcn Watcr Impact Namc of Water body Typc ofWatcrbody Arca of Sitc Numbcr Typc of Impact (lakc, pond, cstuary, sound, bay, Impact (indicatc on map) (if applicablc) occan, ctc.) (acrcs) Total Opcn Watcr Impact (acrcs) 0 6. List tl 1 . llW flU S l' fl le cumu atIve Impact to a aters 0 t le . . resu tmg rom t le proJect: Stream Impact (acres): 0 Wetland Impact (acres): 0 Open Water Impact (acres): 0 Total Impact to Waters of the U.S. (acres) 0 Total Stream Impact (linear feet): 0 7. Isolated Waters Do any isolated waters exist on the property? D Yes ~ No Describe all impacts to isolated waters, and include the type of water (wetland or stream) and the size of the proposed impact (acres or linear feet). Please note that this section only applies to waters that have specifically been determined to be isolated by the US ACE. 8. Pond Creation N/ A If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): D uplands D stream D wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Current land use in the vicinity ofthe pond: Size of watershed draining to pond: Expected pond surface area: VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. Pagc 9 of 13 We are not impacting any wetlands or existing streams on the property. We will be replacing and upgrading some existing storm pipes. However: our construction will remain the roadway or the right of way. VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on January 15, 2002, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Teclmical Guide for Stream Work in North Carolina, available at http://h20.em.state.nc.us/ncwetlands/strm gid e.htm I. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. N/A 2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at (919) 715-0476 to determine availability, and written approval from the NCEEP indicating Page 10 of 13 that they are will to accept payment for the mitigation must be attached to this fonn. For additional information regarding the application process for the NCEEP, check the NCEEP website at http://h20.enr.state.nc.us/wm/index.htm. If use of the NCEEP is proposed, please check the appropriate box on page five and provide the following information: Amount of stream mitigation requested (linear feet): 0 Amount of buffer mitigation requested (square feet): 0 Amount of Riparian wetland mitigation requested (acres): 0 Amount of Non-riparian wetland mitigation requested (acres): 0 Amount of Coastal wetland mitigation requested (acres): 0 IX. Environmental Documentation (required by D\VQ) 1. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land? Yes D No [8] 2. If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEP NSEP A)? Note: If you are not sure whether a NEP NSEP A document is required, call the SEP A coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes D No D 3. If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEP A or SEP A final approval letter. Yes D No D X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. 1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes D No [8] 2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Page 11 of 13 .. .. . . Zone* Impact Multiplier Required (square feet) Mitigation 1 3 (2 for Catawba) 2 1.5 Total * Zone I extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extcnds an additional 20 fect from the edge of Zone I. 3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Riparian Buffer Restoration / Enhancement, or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate infonnation as identified within 15A NCAC 2B .0242 or .0244, or .0260. N/A XI. Stormwater (required by D\VQ) Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss stonnwater controls proposed in order to protect surface waters and wetlands downstream from the property. If percent impervious surface exceeds 20%, please provide calculations demonstrating total proposed impervious level. Proposed Impervious area equals 5.11 % Total impervious area in acres equals 8.5 acres. XII. Sewage Disposal (required by D\VQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. There are two options being considered that involve re-commissioning the old plant: 1) Until a sewer line can be constructed in that area of the county or 2) Turn over operation and maintenance of the existing plant to a private operator XIII. Violations (required by D\VQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes 0 No ~ Is this an after-the-fact pennit application? Yes 0 No ~ XIV. Cumulative Impacts (required by D\VQ) Will this project (based on past and reasonably anticipated future impacts) result in additional development, which could impact nearby downstream water quality? Yes 0 No ~ Page 12 of 13 If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent North Carolina Division of Water Quality policy posted on our web site at http://h20.enr.state.nc.us/ncwetlands. Ifno, please provide a short narrative description: This site will be developed in three phase, but it borders two roads on the north and west. one subdivision exists to the east and Buckhorn Creek is located south of this planned development. xv. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). N/A c;xt~~ DiviS/,,^, !::2Qu:J/'tf" 'ifAJo:5 Applicant/Agent's Signature ' / Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 13 of 13 .. \ If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent North Carolina Division of Water Quality policy posted on our website at http://h2o.enr.state.nc.us/ncwetlands. Ifno, please provide a short narrative description: This site will be developed in three phase, but it borders two roads on the north and west, one subdivision exists to the east and Buckhorn Creek is located south of this planned development. xv. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). N/A Page 13 of 13 '" ,: F -?) r.i-t~,;: ~- } L:-: 'Y';ltJl i'J ENGINEERING CONSULTANTS, INC. AUG 0 9 2004 ' J ..\ ;~1 :J . ~UII_L"~,, . t...., __.:] r<,"...:'f,~..t.:';:Jt.4j\f _.,.. " . ..,."\;:l"."".,, i l~.I"il .......,1 . '4~.,~ ""'J"'t~; - l ....vt~ ,~ " ,.,\/ S. . ,-,;.Jl'/ ':'.'''' _ ",r., ",,,:, U .if''\'v~7511 ~~Lv~'4 \ \, \ ' 2E" ". ....1\1""; ./1' ',., , ..'. .' '8' t ~ --. "~- ; .:, -. ~~..';.'......~"."'.. ...,'. ...,:.~:.=-_.. . -,- ,. . -" - '. - ....., ---...~ , X;; 1{~~~ ~8:i~~04 www.trigoneng.com P.O. Box 18846. Zip 27419-8846. 313 Gallimore Dairy Road. Greensboro, NC 27409. P 336.668.0093. f 336.668.3868 August 4, 2004 , ,,\ ~\ :\\,.J : ., ,l ,~.__JI "'. ~ .\:.... \ '; \.: . \' ) \ J" \. _/ t,-~--) -~. Mr. James H. Jatko, P.E. Taylor Wiseman & Taylor 3500 Regency Parkway, Suite H Cary, North Carolina 27511-8519 - \"""",. \.,,'..',\,'" '1'.1 I ..' .\ ".. t,ljG Referencc: ...;c\3~~~~,:~j;D.:,. '." Prcliminary Wetland Survcy Buckhorn Ridgc Dcvclopmcnt Holly Springs, North Carolina Trigon Project No. 031-04-027 Dcar Mr. Jatko: '..1 " , ".\\ ~ ,',' .. \~ "IJ'tIL)' [ -' , ,\ ~' , . .-\1 ,'...-0,1 Trigon Engineering Consultants, Inc. (Trigon) is pleased to providc this report ofthc preliminary survcy of strcams and wctlands at the refcrenccd sitc. This report summarizcs our field methods, observations, and conclusions. BACKGROUND The sitc is located at the southcast corner of the intersection of Cass Holt Road and Buckhorn Duncan Road southeast of Holly Springs in Wake County, North Carolina. Thc site is approximatcly 160 acres, and is mostly wooded with somc opcn areas. Thc opcn areas arc primarily located on the northern portion of thc sitc, at the loeation of a former mobile homc park. Somc pavcd roadways arc also loeated within thc northern portion ofthc site. Two ponds (6.5 acres and 1.3 acres), Buckhorn Creek, and several unnamed tributaries of Buckhorn Creek arc located on the propcrty. The attachcd USGS Fuquay-Varina Quadrangle shows thc location of the sitc (Figure I). The property lies within thc Capc Fear River Basin and is thercfore subject to local strcam buffer ordinances. The sitc was visited on July 27 and July 30, 2004 for the purpose of dctermining if wetlands cxist in portions of the sitc selectcd by Taylor Wiseman & Taylor and flag thc extent of wetlands so that survcy crews may includc the boundaries on the sitc survey drawings. STREAMS Based on our observations, Buckhorn Creek and tributarics to Buckhorn Crcek located on the property arc subject to buffer requirements imposed by Wake County. According to Mr. Byron Brady with the Wakc County Environmental Services - Erosion, Flood and Stornnvater Division, all drainagc featurcs Tk1l1k you [or OUI' success. .. Mr, James H. Jatko. P.E,. Taylor Wiseman & Taylor Buckhorn Ridge Development. Holly Springs. North Carolina August 4, 2004 Trigon Project No. 03l-04-027 depicted in the USDA Wake County Soil Survey rcquire a 50-foot buffer from the top of the stream banks. This includes the following streams and/or drainage features: . Buckhorn Crcek, located on the southem portion of the sitc; . An unnamed tributary of Buckhom Creek which runs through the two on-sitc ponds locatcd on the westem portion of the site and three small branches of this tributary including a braneh cntering the tributary from the east near the 1.3 acre pond, a branch entcring the tributary from the cast north of tile 6.5 acre pond, and a branch entcring the tributary from the north near the source of the tributary on tile northwestern portion of the site; . An unnamed tributary of Buckhorn Crcck located on the southeastcrn portion of the site and divided into two branches near its source; . An unnamcd tributary of Buckhorn Crcek locatcd on the northeastern portion of the site. The streams and drainage fcaturcs describcd above are shown on thc Wake County Soil Survey map (Figurc 2). One additional drainagc featurc is dcpicted on tile Wake County Soil Survey map east ofthc sewer package plant. However, this drainage featurc was not observed at thc site. Streams and drainage features requiring buffers, based on our review of the conditions at tile site, are shown on Figure 3. WETLANDS The purpose of the wctlands investigation was to identify conditions supporting wctlands at the sitc. Based on a conversation with Mr. Jim Jatko on July 29, 2004, the scope was modified slightly to excludc Buckhorn Creek from the investigation. Thc mcthodology used to identify areas suspected of having conditions to support wetlands included walking thc suspected areas to observe existing vegetation, soil characteristies, and hydrology. Wetlands arc defined by the U.S. Army Corps of Engineers and the United States Environmental Protection Agency as "those areas that are inundated or saturated by surfacc or groundwater at a frequency and duration sufficient to support, and under normal circumstances, do support a prevalence of vegetation typically adapted for life in saturated soil conditions." In order for an area to be classified as wetlands, hydrophytic vegetation, hydric soil conditions and wetland hydrology indicators must be present. Idcntification of wetlands was based on thc 1987 Corps of Engineers Wetland Delineation Manual. Low- lying areas and drainage features were investigated for conditions supporting wctlands at the sitc. Specifieally, two ponds (loeated on the wcstern portion of the site), several unnamed tributaries of Buckhorn Creek (flowing from north-to-south into Buekhorn Creek), and the area adjacent to the ponds and streams werc investigated. The approximate boundaries of thc identified wetlands wcrc marked by hanging orange survey tape. The survey tape was numbered sequentially for each wetland area identified. However, Trigon did not survey the wetlands boundarics. Nine areas werc identified as wetlands: · The 1.3 acre pond located on the southwestern portion of the site; · The 6.5 acre pond located on the westem portion ofthc site; · An arca along the westernmost tributary of Buckhorn Creek, north of the 6.5 acrc pond, and delineated by flag numbers 101 tiuough 105; TRIGON ENGINEEIUNG CONSULTANrS. lNC. Page 2 .. ' Mr. James If, Jatko, P.E., Taylor Wiseman & Taylor Buckhorn Ridge Development, !lolly Springs, North Carolina August 4, 2004 Trigon Project No. 031-04-027 . An area along the westernmost tributary of Buckhorn Creek, near the northwest corncr of the site, and dclineated by flag numbers 201 through 220; . An area along the easternmost tributary of Buckhorn Creek, located on the northcastern portion ofthc sitc, and delineated by flag numbcrs 301 through 303; . An area along thc easternmost tributary of Buckhorn Creek, located on the northeastern portion of the site, and delincated by flag numbers 401 through 403; . An area along the westcrnmost tributary of Buckhorn Crcek, west of the sewer package plant, and dclineated by flag numbers 501 through 505; . An area adjacent to Buckhorn Crcek and an unnamed tributary in the southeastern portion of the site, and delineated by flag numbers 601 through 607; . An area adjacent to an unnamed tributary to Buckhorn Creek in the southeastern portion of the site, and delincated by flag numbers 701 through 703. The locations ofthe wetland arcas idcntified above are depicted in Drawing 3. CONCLUSIONS AND RECOMMENDATIONS It is our opinion that Buckhorn Creek, unnamed tributaries to Buckhorn Creek, and wetlands identified at the site would be eonsidered jurisdictional "Waters of the United States" regulated under Section 401 and Section 404 oftlle Clean Water Act. Section 401 is administered by the North Carolina Department of Environment and Natural Resources Division of Watcr Quality. Scction 404 is administered by the United States Army Corps of Engincers. These programs regulate the discharge of dredged or fill material into Waters of the United States, and ensure State Water Quality Standards are maintained. We recommend that best management praetices be implemented to avoid impacts to the stream buffer and wetland areas. However, if necessary or desired, stream and wetland impacts may be permitted and variances to the stream buffer requirements could be pursued. Please contact the undersigned if additional information is requircd for permitting or obtaining a variance. Trigon appreciates the opportunity to be of service during this phase of your project. Sincerely, TRIGON ENGINEERING CONSULTANTS, INC. ChriS~W~.I' Environmcntal Managcr ~i~(rJ ~:~i~t~;:l~eOIOgist CWH/CDN:pkb s: \015 0lprojects\2004\031 0402 7\131 04027.doc TRIGON ENGtNEERING CONSULTAJ;TS, INC. Page 3 . , ?l..~....'''''..,-..'.''...'..'..........~..',''...'.''.'. ". .... ' .~ TRIGON Trigon Engineering Consultants, Ine, 313 Gallimore Dairy Road Greensboro, North Carolina 27409 APPROVEI] BY: SOURCE: Q. .'1- UNITED STATES GEOLOGICAL SURVEY BUCKHORN RIDGE DEVELOPMENT HOLLY SPRINGS, NORTH CAROLINA TRIGON PROJECT NO. 031-04-027 1974 (pHOTOREVISED 1981) USGS.TOPOGRAPIIIC MAP ' FUQUAY-VARINA QUADRANGLE SCALE: 1" = 2000' FIGURE 1 ...;... ?lA~ TRDGON APPROVED BY: {);v..\A USDA SOIL CONSERVATION SERVICE BUCKHORN IUDGE DEVELOPMENT HOLLY SPRINGS, NORTH CAROLINA TRIGON PROJECT NO. 031-04-027 Trigon Engineering Consultants, Inc. 313 Gallimore Dairy Road Greensboro, North Carolina 27409 1970 WAKE COUNTY SOIL SURVEY SIillET NUl\IDER 96 FIGURE 2 \ ~ I , , " ~ . I, I ~ '-....--- '1 50 FOOT STREAM BUFFER LEGEND APPROXIMATE 50 rOOT STREAM BUFFER APPROXIMATE I'I'ETlJ,ND BOUNDARY No Scale Figure 3 DRAINAGE fEATURE SUaJECTTO STREAM BUFFER REQUIREMI:NTS (1970 WAl<E. COUNTY SOIL SURVEY) APPROXIMATE WETLAND BOUNDARIES AND STREAM BUFFERS BUCI(HORNRIDGEDEVELOPMENT HOLLY SPRINGS, NORTH CAROLINA TIUGON PROJECT NO. 031-04-027 Date 08/04/04 ErlGlrlErRHiG CO~SULTAIHS, I.'ic. Drawn l1y DRK PRELIMINARY SUBDIVISION PLAN ~ SITE DATA TABLE SITE l"F{lPMl\TIO~ DEVELOPMENT NAME. ......8UCKHORN FUDGE TYPE OF DEVELOPMENT................... ..........a.LJSTI:R DEVELOPMENT ZONING DISTRICT..................... .................LOTS 1-4, 294 & 295: R-30; AU.OTl1ERS: R.lO REAL ESTATE 10... ..................0127876 PI!\I..... . . .................. ..........................0637S498S0 ACRES IN R-30...... .. ... ........3.99 ACRES ACRES IN R-lO......... .................16VlZ ACRES TOTAL ACRES...................... .......................166.41 ACRES INSIDE CITY LIMITS....... .... .......... ............... .NO INSIDE flOOD HAZARD AREA........................YES (FIRM MAP NUMBER 37183(0675E, DATED MARCH 3,1992) WETlAND lOCAUO Ofll PROPERTY.................YES OWIIJERf['oE\fROPER: COMPANy.......... ........................................6Ill ClARK HOMES CONTACT PERSON..... . ..... .....HAlADAMS ADDRESS... .....P.O. BOX 31028 RALEIGH, NC 27622-1028 TELEPHO"lE........................... ............(919) 852-5')']9 fAX... ................................... .......(919) 852.0505 C()"ITACT PfCAPD!"IG <;TAFF C('l""~fNTS OR: O"fc;T1()"IS A.ROUT PtA"iS: ........_...TAnOR WISEMAN &. TAYlOR ........................lAMES H. lA11<O, P.E. ...........................3500 REGENCY PARKWAY, SUITE H CARY, NC 27511 TRFPHONE ... .... .... ........ ........ .......... .......... (919) 297-0085 FAA.................... ......................................(919) 297-0090 EMAIL........... ............................... .......)atko~tayIOf'Vlfiseman.com COMPANy......... NAME ADDRESS............ ['If''l5TTY AUOWED. ......5 UNITS IN R-30 (1.45 OU/AC) 353 UNITS IN R-20 CLUSTER (2.178 DUlAC) 358 UNITS TOTAl ..295 UNITS (1.77 OU/AC) PROPOSED....................... ...... ............. ~ REQU!F1.ED OPEN SPACE (10% OF SITE). ... ......16.&4 AC OPf"l 5PACE PPnvlr>FD RlCfc[ATION AREA............................ ...........11.15 AC HAZARD AREA.................... ........17.61 AC NATUP..Al BUFfER AREA........................ .........17.37 AC TOTAl OPEN SPACE........ .............46.00 AC PERCENT OPEN SPACE.... ....... 28,06% CP&.l EASEMENT AREA ....................... .... 2.89 AC I~PfPV!()US APFA CALOltAT10"<S MAX1MUM AllOWED (IS""'" OF SITE).... ...............24.96 AC SITE I~PfPVlr)US APE.A: ROAD'iwAYS..... .....__........... ........ ...................8.02 AC CLUBHOUSE PARKING.. .................................... 0.20 AC CLUBHOUSE........................ ..........0.02 AC POOL....... ..................... ................................. 0.26 AC TOTAl SITE IMPERVIOUS ARfA........................... B.50 AC PERCENT IMPERVlOUS AREA............................... 5.11% RESIDUAL lOT IMPERVIOUS AREA REMAINING....16.46 ACRES SITe IMPROVEMENT aUANTITlES PlftlC SA,..TARY Sfwt:R (PROPl I0468lF PL8lIC STRffT (TOTAL) ctueOAl',SPlACf: SHo'OY S~INGS DRiVE STRfETA 760lF 6Z3L-F WALIUN3T'RAJl BUCKHORN RIDGE CLUSTER DEVELOPMENT HOLLY SPRINGS TOWNSHIP WAKE COUNTY, NORTH CAROLINA <00 5 74e E PREPARED FOR: BILL CLARK HOMES P.O. BOX 31028 RALEIGH, NC 27622-1028 (919) 852-5999 f\ " \ \, '. . ,..- ~ \ ",........ . '-;::.~"~ 1- p' \'""""")"1 ':'! \.~:.,1 ',-~ \":\ \ ,I" h'J\J ':. ~ ; ~. I r llJDJ . / (-. ,\ " '; ~\\5::'-~\': .;.~, INDEX SHEET DESCRIPTION 1 2 3 4 5 TITLE SHEET EXISTING CONDITIONS PLAN OVERALL SITE PLAN/PHASING PLAN SITE PLAN UTILITY & STORMW A TER PLAN VICINITY MAP 1 " 1/2 MILE I HERFBY CFRTlFY THAT 1 A\.t A CIVIL L:NGT:'o:EER, R[GISTTRro I'" TI-IE STATE OF I',ORTlI CAROLNA, A~D TIIATTIIlS rLA:-': IS P.-i All. RESPECTS CORRECT AND WAS "RLPARID BY ME OR ~Y DlRECTla...:. z o - E-o U :=> ~ E-o en Z o u ~ o t:z:.. E-o o Z TAYLOR WISEMAN & TAYLOR ENGINEERING . SURVEYING . PLANNING GPS . SUBSURFACE UTILITY ENGINEERING PHONE (919) 297-0085 . FAX (919) 297-0090 3500 REGENCY PARKWAY, SUlTEH, CARY, N.C. 27511 www.tay1orwiseman.com !'>oUR 1 Jj CARULlr-A CUU U-ICA'I t ",LMUlR 22J'12 JAMES H. JATKO Fe (II qt, Su '.3 m I Tl74-L. App ~ov€ 0 6Y ?U1NNJN & ~ICO g"..r'1-0L( I - rADc:o. ~ ~ -i)-- ~y'''' , /~'i~~-- ._I~~tr(olii~"UJ/~~'" IJIMm~~~'~ ~~~l~I~~------:7I. ~~.~.~~",';A'. ~" :,:1 ~~}"~ ~' 0--~~ " ".\ I, ",.,' ~ r// '/,/" ~, v ' ~" ~ r,\ ~_<:::~~ \ \ ~~ i" v/~.~. F : o;l(,i(;~'if ~-= ~\.~ ,\ \::!~ ' ' - .,~-~ , '/j ~~ ., I~ .. :' "'i)l// ,/~~:t'\)Jr.1 ~ ' ~ ~ ", .' ""x:::i'fl~' ~ ~ _," ~_ ~ =~fl/J' ~ ,\ I', IJrl ,rr ~~:"n 1C ".."'IV' ~ " fi.", ," , HIP.' !..;:: ~" ~ "" i 'J l'~ ~ -=,~ PD'1o ! PO N D . ~.t,,'!'''N~' '" . '-!' ,,~. ,~t. ',' '~V. 10 · ~'.' ~ 7... 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(0[';;; t '" ~ ~ 7 ~ - i;: ~ ~ i ~ ~ ~ ~ > . :J: ~ -< 0: i e(;s; o [J~7 o ['5i {,05' oc.. 0(;,,1< 0(",7 0[...:, 00-'" z [0(". oc... ,,~ C("'-'" SCALf: I~ K :'ll(r n4.TF' 04-n-tl.,t SHEET =,"0: C(ohi- o (..~ cr""l'. OC"_:': ", 077t SlIfEr J OF S ':' '~": o ~~i:' 0' I<t, ',~ (I ~. o ;l;J\fdo; N~Offi!\fZ'V1.l ~~O1~O ;Jl.lll.lllM IN;;:V'lJ~~ N\f 1.l9nO~l-.u 'o~lno~ r;v 'nltdG NOl1\f~~ 1 ;J:)V'.dS N~O 'SV'l;J1t;)..0; ..unlln 01 SGJ::r.:H O:w-.OT':\f ;19 -r.lM NOISI^109nS 0;;;:1\f1S;;: J)'\f1 Ac:llNno:> dO l";!!'Vd nNO SlOl:lNIW':l:!OdNO:>-NOill ':lNlA1J.no OUTLYING. NON-CONfORMING LOTS ONCE !"AR.T OF COU,,"'TRY lAKE ESTATES SUBDIVISION 'WIll BE A:.l..OWED ACCESS TO UTIUlY SYSTEMS. OPEN 5!"ACf .. RECREATION SPACE. AS REQUIRED. THROUGH AN AGREEME~T 'WITH THE DEVELO?ER.. ~ '"" "'- .~-t, Ft.OOD HAZARD SOILS TO BE Rf-DELlNEATfD '=- BY A UCEN5ED SOIL SCIE,,"'TIST ,.. ~ GEt-:ERAL NOTES: 1) THERE SHALL BE NO FILLI~G OR. THE ERECTION Of PERMANE,,"'T STRUCTURES IN THE AREA OF WARf.. COUNTY FLOOD HAZARD SOILS OR. FEDERAl EMER.GENcY MA~AGEME,,"'T AGENCY (fEMA) I 00 YEAR fLOOD ZONES Ul\.'T1L A fLOOD STUDY IS A.t>p'ROVED BY WAA!. COUNTY AND/OR ffMA. BEfORE ACQUIRING A BUILDING PERMIT fOR. LOTS (OR. O?fN S:>ACE) MARKED BY AN". (ASTERISK> THE BUILDER. MAY NEED TO OBTAIN A f'...00D HA2ARD AREA USE PERMIT fROM W~ COUNTY ENV1RDNM::NTAl. SERVICES. THE BUl:.DER'S ENGI~EER.. AR.CHITECT AND/OR: 5URVfYQR. (f:6 A.~ATE) M1)5T CER.TlfY THAT AlL fLOOD HAZARD REQUIREMENTS ARf MET. 2) Pt,ANS SHALL CONfORM TO AlL WW,J; COUNTY SOIL" EROSION CONTROL REGULATIONS. 3) flOOD HAZARD 501:..5 TO BE RfDELlNEATED BY A UCENSED SOIL SCIENTIST. 4) DRAINAGE EASEMENTS ARJ; REQUIRED AT TOTAl DRAINAGE AREA Of 4 LOTS OR. 4 ACRES. 5) A STATE DAM SAfElY lN5P::CTION REPORJ 'WILL BE SUB/vtlTTED ON THE CONDITION Of THE 1VIO PONDS ON SITE TO BE RETAINED. G) THE O!"EN SPACE IS TO REMAIN IN A NATURAL STATE. 7) 30% COVERAGE IS THE MAXIMUM AJ..LOWAB'..L IM:"'l:R.VlOUS AA!.A ON Am:.oT 'WITH STORM WATER MANAGEMENT PROVIDED. 5UCH THAT THE PfA}:;, RUNOfF fROM THE I YEAR.. 24 HOUR. DURATION STORM 15 BROuGHT BACK TO THE PRfDEVE'...OPMENT RATE. 3) N>?ROVAJ.. fOR At-..."Y ENCROACHMENT ON CAPE F....AR. RJ?ARJAN BUFFERS W1:..L BE OBTAINED FROM W~ COUNTY Et-...'VIRO~MEt,,'TAL SERVICES. 9) THE WA:,.KlNG TRAIL AROUND THE P::PJ,.1ITER Of THE SITE 'MLL BE CONSTWCTfD TO STANDARDS Of wMf.. COUNTY ENVIRONMENTAl. SER.VICES It FEMA. I 0) AU. O:>EN SPACE TO BE CONvEYED TO THE HOME OWNER. ASSOCIATION. TO BE ESTABUSHED AT A tATER. TIME. I I) ROAD It-...'TERSECTIQN IM!"ROVEMENT5 TO lNCWDE NCOOT A.~ROVED LfFT TURN tA~ES AT AlL Et-...'TRANCES. CA55 HOLT It BUCI\J10RN DUNCAN ROADS TO BE 'WIDENED TO ONE HALF OF A 3(;' Vv1DE COMMUNITY STREET. AN ADDITIONAL 5 fEET OF RON WILL BE DEDICATED TO MEET THE 00 P1..ANNED ROW REQUIREMENT A:.DNG BUCKl10RN DUNCAN 4 CA55 HO'..T ROADS. ABB~!AT:Qt>J5 SSE 5A!Il,T A~ SE'N'ER. USEMENT SDe STORM D~:!\lAGE f,A.5EMENT 'vV1...E WATE~ UNE EASEMENT CUE COMB1"'lED UT1L!TY f,A.5EMEN'T Dr DUCTrLf :RDN STORM WATER QUALl1Y: N:TR.oGE~ RfMOVAJ.. FEATURES OF TH1S SITE PI.A~ INCllJDE: GRAS5 swAlES (MAX. 4% LO!'-lGlTUD:!IlAL SLOPE) = 13.350 LF. FllTE~ 5TR.:PS (50' - TCJ DEEP R.:PA~A~ STR.rPS) = 3.720 LF. D~:NAGE AR.EA z 170 ACRES TREATMENT FROM GRASS SWALES:: 133.5 ACR.f5 TR.EATME!IlT fROM FILTER STR:PS - 3G.5 AC~S 170.0 ACRES STORM DRAINAGE NOTES: I) AU. DR:VEWAYS TO HAVE 15- RCP CROSS PIPE. 2) All. RON)WAY CROSS PIPES TO BE DESiGNED TO NCDOT RfOU:RfME!IlTS FOR 10" 25 YEAR. RAI!\lfAU. EVENTS. UTILl1Y NOTES: I) All. WATERl!!'JES Af?L. G" OJ U'\ILESS OTHE~SE NOTED. 2) MUN:C:PAl. WATER SERv:CE PROV:DER. IS HAR"lm COUNTY V:A EX:5T:NG 8" MA!!Il O!'J BUCK!1QR"I DUNCA"I RD. 3) No LOTS TO BE SERVED BY I'ID:vtDUAl. Q!Il.S:TE 'NE'J.5. 4) ADD:T10NAl WATER. SU!"ptY fO~ SUBDIV!SION TO BE PROVIDED BY O!ll-5:TE WEllS AS NEEDED. 5) SA!'J:TARY SEWER LINES ARE 8" PVC UNlESS OTHER.W:SE NOTED. b) EXIST:NG WASTE WATER TR!ATMENT PlANT TO Be UTILIZED N COMf'LIANCE w:TH At1 WAff., COUNTIES .. D:VISl0'l Of WATER. QUALITY RfGULAT:ONS. ALL R.EOU1RED PfIW:TS W:LL BE OBTA1!'JED PR.:~ TO PLANT OPERAT1O!'J. 7) OUTLY:!ljG. NON-CO!'JfO~MNG LOTS ONCE PAl{T OF COUNTRY LA.'\.E ESTATES SUBDrv:s:()",I WU BE ALlO'N'ED ACCESS TO UTILITY SYSTEMS. O?f"l SPACE .. RECREAT!ON SPACE. AS REQU:R.ED. THR.OUGH A"l AGREEMENT W:TH THE DEVELOl"ER. GRAPIDC SCALE ~ z: <( ::2: ,~ ~u,.>~ ~ ~~ cn(tS c::ffi>-m o ~ ~;:;:;- >=a~5 un ~..~ ~ ,5: @) DESIGNED: JHJ DJl.Jt.II.X APf>ROnD: BItL CLARK. 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