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Home My WebLink About20061798 Ver 3_401 Application_20070307N Landis, Inc. March 16, 2007 p~- ~'1 q g v 3 NC Division of Water Quality 401 Oversight/Express Review Permitting Unit 1b50 Mail Service Center Raleigh, NC 27699-1650 ATTN: Cyndi Karoly VIA HAND DELIVERY on March 16, 2007 Re: Summerwind Plantation, Johnston County, NC PCN Courtesy Notification Dear Ms. Karoly: Sail Science Groundwater Science Environmental Science I and Planning Landscape Architecture V ~~~~~ ~~P~' Q~c~~oe~~ MAR 1 6 2007 yVETW p~~ ~17Y BRANCH I refer to your letters of December 27, 2006, February 1, 2007, and March 5, 2007, pertaining to the PCN Courtesy Notification for the Summerwind Plantation development in Johnston County, near Garner, NC. I am enclosing for this project a PCN form with all appropriate attachments and the information that you have previously requested in the above-referenced letters, including a check payable to the Division of Water Quality in the amount of $200.00. It is our intent that this project be included under NWP 39, which is effective through March 18, 2007. As the cumulative amount of wetland and stream impact is low, this is not a project which requires preconstruction notification. We understand, however, that notification to the Department of Environment and Natural Resources ("DENR") for purposes of certification under Section 401 of the Clean Water Act proceeds under state, rather than federal, authority. Summerwind Plantation, LLC ("Summerwind") does not agree that under applicable state rules and WQC #3402 written concurrence is required for 401 Certification, and believes that the Division of Water Quality is mistaken in this regard. However, based in your requests in the above-referenced correspondence, and in the interest of proceeding with the project, we have included all the information and other items requested, including a check in the amount of $200.00. We believe, to the extent one is necessary, that these items constitute a complete application under 15A NCAC 2H .0500. P. O. Box 30069 Raleigh, North Carolina 27622 telephone 919.787.1617 facsimile 919.787.9355 v~ Summerwind reserves the right to request the return of the $200.00 should it ultimately be determined that written concurrence was not required for this project. Since ephemeral drainage way features carry only stormwater (which is regulated similarly to wastewater, see N.C. Gen. Stat. § 143-214.7), we do not believe that they are regulated waters. The definition of "ephemeral (stormwater) stream" is so broad that virtually any project in the Neuse River Basin would be required to obtain written concurrence. If that was the intent, it would have been so stated in WQC #3402. The use of the word "feature" in lieu of "stream" in the definition and the parenthetical inclusion in the term make it clear that these features were not intended as regulated waters. However, Summerwind has taken the position to design the project with no impacts to intermittent or perennial stream channels and to where reasonable avoid and minimize impacts to ephemeral drainage ways. Where streams are proposed to be spanned the work will be consistent to the specifications in WQC #3402. The following is a summary of our new and additional efforts to avoid and minimize impacts to wetlands, perennial channels, intermittent channels, and ephemeral drainage ways. Impact Area # 1 -The plans have been modified to show a pipe arch spanning a length of 99.5 feet (originally shown as 85 feet of ephemeral and 14.5 feet as intermittent channel on November 15, 2006 wetlands map). We have added this pipe arch, because the arch will minimize impacts and can be reasonably constructed in this location. Up slope a stormwater pond and lot grading will impact 0.038 acres of wetlands and two ephemeral stormwater drainage ways. Each of these ephemeral stormwater drainage ways has a drainage area of about two acres. The drainage ways collect surface water runoff from the adjacent agricultural field. The gradient down these drainage areas is about 12% slope and the channels are in constant erosion into the piedmont clays. Impact Area #2 -The plans show a bridge spanning this intermittent stream channel. This stream has a Neuse Basin riparian buffer shown along its length. No stream or wetland impacts will be at this location. DWQ's new level spreader guidance will be used in this area to dissipate the stormwater prior to the NRB. The location and length of level spreader is shown on the plans. Impact Area #3 -The plans have been modified to show a pipe arch spanning for a length of 50 feet (originally shown as ephemeral on November 15, 2006 wetlands map). This impact is located in phase II of the project. While, detailed plans have not been finalized in this area, we believe that we can reasonably limit the length of the pipe arch I to 50 feet. Upslope and downslope the lotting arrangement will be modified so that there is no impact to any portion of this drainage way. Impact Area #4 -This impact is located in phase II of the project. Two ephemeral stormwater drainage ways or gullies will be filled in this area. All grading will be kept to a minimum and will be kept out of the adjacent Neuse Basin riparian buffer. DWQ's new level spreader guidance will be used in this area to dissipate the stormwater prior to the NRB. This impact area is located in phase II of the project. Impact Area #5 - An aerial sewer line will cross a perennial stream just off the edge of the subject property. The drawings show the location and profile of the sewer line. While, not required we decided to use the aerial crossing to avoid impact to this stream. We are anticipating wetland impacts of not more than 0.010 acres associated with the piers for the aerial line. The piers will be located to avoid the stream channel and to avoid the wetlands if at all possible, however there may be some minor impact at this location, therefore we have included this potential impact. Impact Area #6 - An aerial sewer line will cross a perennial stream at this location. The drawings show the location and profile of the sewer line. This crossing can be constructed without any stream impact. Nearby, the aerial sewer will cross over a wetland; this too can be constructed without any impact to the wetland. We believe that the above impacts have been held to a minimum and we believe that we have exceeded the requirements in many aspects. We trust that you will agree that we have minimized impacts and that the project meets within the regulations and intent of the courtesy notification. We have also shown more clearly all Neuse Basin riparian buffers and adjacent lot arrangement and building envelopes. The buffer along Swift Creek is shown as 100-foot on each side of the stream channel pursuant to Johnston County regulations. While the project will have less than 30 percent impervious cover, we will be constructing (although not required) enhanced stormwater infiltration to handle all of the increased runoff from the 1-year storm event. Due to the steep and rolling terrain on the south side of Swift Creek and across much of this site, enhanced infiltration was the best means to minimize stormwater impacts to ephemeral stormwater drainage ways, intermittent stream channels and perennial stream channels on the project. This will substantially reduce the amount of runoff that normally flows into the level spreaders and therefore will provide additional protection to the riparian buffers and downstream channels. Please review the enclosed information carefully, since we have made a number of changes to the plans to better clarify the minimal impact to streams and wetland on this property. Please notify me if you have any questions or need further elaboration. Sincerely, Landis, Inc. Barrett L. Kays, Ph.D., L.S.S., R.L.A. www.barrettkays.com Enclosures Five copies of 404/401 Joint Permit Application Check in the amount of $200.00 Five copies of wetland, stream, and drainage way maps Five copies of engineering plans for phase I Five copies of Johnston County Soil Survey Map for Area Five copies of USGS Map for Area Five copies of Imperious Area Estimates for Project c: Ronald Mikesh, Summerwind Plantation, LLC Craig A. Bromby 99999.000309 RALEIGH 308358v1 Office Use Only: Form Version March OS USAGE Action ID No. DWQ No. O to - 1 '~ q $ V 3 (If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) I. Processing '~+~URTE~~ ~tJP~' 1. Check all of the approval(s) requested for this roject: ^ Section 404 Permit [~ Riparian or Watershed Buffer Rules ^ Section 10 Permit ^ Isolated Wetland Permit from DWQ ^ 401 Water Quality Certification ^ Express 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: NWP 39 3. If this notification is solely a co esy 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: ^ 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 details), check •~ .1 II. Applicant Information ~~~, ~ ~ ~~~~ 1. Owner/Applicant Information ~Ewr~ . vv,~r~~ GU~1l~TY Name: Mr. Ronald Mikesh for Summerwind Plantation, LLC ~'r~wgs ~-~ STU!'WYW1liRiRAibfi Mailing Address: 3061 Berks Way, Suite 202, Raleigh, NC 27614 Telephone Number: 919-556-1888 Fax Number: 919-821-5620 E-mail Address: Prowlerllc(a~cs.com 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: Barrett L. Kays Company Affiliation: Landis, Inc. Mailing Address: P.O. Box 30069, Raleigh, NC 27622-0069 Telephone Number: 919-787-1617 Fax Number: 919-787-9355 E-mail Address: blka~(a~aol.com Page 1 of 9 .~ ; -u "'. 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, impervious 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 USAGE 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: Summerwind Plantation 2. T.I.P. Project Number or State Project Number (NCDOT Only): 3. Property Identification Number (Tax PIN): 162700677429 Location: Johnston Nearest Town: Garner Subdivision name (include phase/lot number): Summerwind Plantation Directions to site (include road numbers/names, landmarks, etc.): from I-40 & NC-42, east NC-42, immediate right on Glenn Road, site is about'/4 mile on right 4. 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.) Decimal Degrees (6 digits minimum): 35° 36.594' °N 78° 34.33' °W 5. Property size (acres): 187.71 acres 6. Name of nearest receiving body of water: Swift Creek and Middle Creek 7. River Basin: Neuse (03-04-02 and 03-04-03) (Note -this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.) 8. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: agricultural fields and woodlands Page 2 of 9 9. Describe the overall project in detail, including the type of equipment to be used: rp oject consists of one bridge crossing with no impact to intermittent stream and minimized impact to Neuse Riparian Buffer; and other minor wetland impacts; equipment will consists of bull dozers, pans, and hoes 10. Explain the purpose of the proposed work: impacts deal with necessary access to various portions of the site for development purposes; wetlands have been avoided and impacts have been minimized; all culvert crossings are located away from surface waters (along drainage ways not shown as streams on Johnston County Soil Survey or USGS maps); one stream crossing of intermittent stream uses bridge with no impact to stream. 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 ID 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). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. USACE Action Id Number: V. Future Project Plans Are 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. No future permits requests are anticipated for this proiect. VI. Proposed Impacts to Waters of the United States/Waters 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 3 of 9 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: proiect one bridge stream crossing and other minor wetland impacts 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, separately list impacts due to both structure and flooding. Wetland Impact Type of Wetland Located within Distance to Area of Site Number Type of Impact (e.g., forested, marsh, 100-year Nearest Impact (indicate on map) herbaceous, bog, etc.) Floodplain Stream (acres) ( es/no) linear feet #1 Road & Lots Forested No Adjacent 0.038 #2 Road Forested No Adjacent 0.000 #3 Road Forested No Adjacent 0.000 #4 Road & Lots Forested No 100 LF 0.010 #5 Sewer Aerial Crossing Forested No Adjacent 0.010 #6 Sewer Aerial Crossing Forested No Adjacent 0.000 Total Wetland Impact (acres) 0.058 3. List the total acreage (estimated) of all existing wetlands on the property: 9.66 a. Acres of wetlands 8.33 b. Acres of open water 0.17 c. Acres of streams 1.16 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 must be included. To calculate acreage, multiply length X width, then divide by 43,560. Stream Impact Number (indicate on ma) Stream Name Type of Impact Perennial or Intermittent? Average Stream Width Before Im act Impact Length linear feet) Area of Impact (acres) #1 Trib. Swift Creek Road Culvert Part Inter.' 2.2 feet 0 0.000 #2 Trib. Swift Creek RoadBridge Intermitt. 12.5 feet 0 0.000 #3 Trib. Swift Creek Road Culvert Part Inter.' 2.5 feet 0 0.000 #4 Trib. Swift Creek Road & Lots NoZ 0 0.000 #5 Trib. Swift Creek Aerial Sewer Perennial 15.5 feet 0 0.000 #6 Trib. Swift Creek Aerial Sewer Perennial 12.5 feet 0 0.000 Total Stream Impact (by length and acreage) 0 0.000 `Portion is intermittent. z No means it is not perennial or intermittent, but is ephemeral stormwater drainage way. Page 4 of 9 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_ excavatien_ dred~in~_ floodin~_ draina~e_ bulkheads_ etc. Open Water Impact Site Number (indicate on ma Name of Waterbody (if applicable) Type of Impact Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc.) Area of Impact acres) None Total Open Water Impact (acres) 0.000 6. List the cumulative impact to all Waters of the U.S. resulting from the aroiect: Stream Impact (acres): 0.000 Wetland Impact (acres): 0.058 Open Water Impact (acres): 0.000 Total Impact to Waters of the U.S. (acres) 0.058 Total Stream Impact (linear feet): 0 LF 7. Isolated Waters Do any isolated waters exist on the property? ^ Yes Q 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 USACE. 8. Pond Creation ~~ 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): ^ uplands ^ stream ^ 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 of the 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. Only one of the road Page 5 of 9 crossings is associated with an intermittent stream and this stream will be bridged; all culverts have been located in areas of limited wetland impacts. One aerial sewer crossing will not impact stream, but has limited wetland impacts due to piers; two other aerial sewer crossing will not impact stream or wetlands. 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 Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetlands/strmgide.html. 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. Mitigation if required is proposed for impacts to Neuse Riparian Buffer and payment will made into the EEP. Bridge roadway impacts have only limited disturbance in riparian buffer. Sewer aerial crossings are limited to 40 feet in width of disturbance in riparian buffer. Page 6 of 9 • 4 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 that they are will to accept payment for the mitigation must be attached to this form. For additional information regarding the application process for the NCEEP, check the NCEEP website at http://h2o.enr.state.nc.us/wrp/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): Amount of buffer mitigation requested (square feet): 6,090 Amount of Riparian wetland mitigation requested (acres): Amount ofNon-riparian wetland mitigation requested (acres): Amount of Coastal wetland mitigation requested (acres): IX. Environmental Documentation (required by DWQ) 1. Does the project involve an expenditure of public (federal/sta /local) funds or the use of public (federal/state) land? Yes ^ No 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 (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ^ No ^ 3. If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ^ No ^ 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 Su y Buffer Requirements), or other (please identify )? Yes ~ No ^ NA The proiect has approximately 6,500 lineal feet of stream channels that are protected with Neuse Riparian Buffers. Only one road crossing is proposed through an NRB and this crossing uses a bridge to minimize the impact. Page 7 of 9 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. Zone* Impact s uare feet) Multiplier Required Miti ation 1 1,846 3 (2 for Catawba) 5,538 2 368 1.5 552 Total I 2,214 I I 6,090 * Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an additiona120 feet from the edge of Zone 1. 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 information as identified within 15A NCAC 2B .0242 or .0244, or .0260. Payment into the Ecosystem Enhancement Pro ram XI. Stormwater (required by DWQ) Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss Stormwater 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. The proiect will have less than 30% impervious acreage; enhanced infiltration .and infiltration devices will be used to infiltrate the total volume of increase runoff due to the protect based upon the DWQ required design storm; DWQ approved level spreaders will be used and located upslope of NRBs. See attached table of impervious acreages. XII. Sewage Disposal (required by DWQ) 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. Connection into Johnston County sewer system XIII. Violations (required by DWQ) Is this site in violation of DW etland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ^ No Is this an after-the-fact permit application? Yes ^ No XIV. Cumulative Impacts (required by DWQ) Will this project (based on past and reasonably anticipated future impacts) result in addit' pal development, which could impact nearby downstream water quality? Yes ^ No Page 8 of 9 a 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. If no, please provide a short narrative description: The protect includes all anticipated future impacts Even though the protect will have less than 30 percent impervious cover, infiltration devices are being used to provide for no increase runoff from one-year design storm This added protection will protect the downstream water quality and is being provided in addition to the minimum state requirements. 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). ~ ~~ ~. 3 pplicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 9 of 9 ~~ r o~ - i ~t q 8 ~V3 ~~ X5,000' ~~I r -.T ~ i r r r~_ ~ ~ rl ~~' ~ ~ JJfJ rr ; r - r ,- ~ ~'F ~ 1W ~r 4 !~ ' y ~' X • 41. ~ ~ ~ • 7 r 1 r` ; ``- I ~ ~ .- t r '~ 5~4~ ~ i ' ~Y ~ ~titi ~i I ~\ ~ -~.'- ~. 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'~~ S ~^'~;. ~'~ ,, ,, t` ~ S t o r e `' ,~- ' ' ~ ~ ,~, ~~ ",..d; `~~~~ ~~~,~ A0~ y COB ,' .. t/~ ~ h?.~~~ a~Y '~'y' r' %~ 1 t ' 'r.. tom., z ~ ~ ( ~l ~r 9 '~ ~ ~~ ~ B ~ ~ M c B ,"~~ j~~ ~; ~~ ~, ~ ~~ K B ~- ~~ i ~,~ ~ ~ ~ ~ f ~ ~ f ~ i. ,~k, Q' ~~ - ~~q~~ t~ 'C ~ jy~1I'C(S~, l ~~~j ~ ~. ~. ~ ~~ ~. K+ eta ~ ± ~ ~ ~~ ~ 1 ~- -\ /~~ ~ n. ~ ~ _,~._ ~ u. --__. - 1- ~_ ~.c--~ _. ..~.i ~ ~I~lr •i.. +1r '~ r o~ - ~-~q g v.3 Summerwind Plantation, Johnston County, NC Impervious Material Calculations A Retirement Community Watershed Lan Area Impervious Area Impervious acres acres percent Swift Creek 152.2 43.7 28.71% Middle Creek 35.5 10.5 29.58% Combined 187.7 54.2 28.88% Neighborhoods House Footprint Drive, Patio, Sidewalks 1/2 Fronting Roadway Sum sq.ft. sq.ft. sq.ft. sq.ft. The Trace 2,073 735 500 3,308 The Bluffs 1,575 1,050 800 3,425 The Harvest 1,450 480 400 2,330 Neighborhoods Number of DU Impervious Total Impervious acres/du acres The Trace 219 0.0759 16.62 The Bluffs 161 0.0786 12.65 The Harvest 140 0.0535 7.49 Assisted Livin Center 3.33 Activit Center 1.5 Wellness Center 4.19 Business Center 8.41 Pro'ect Total 54.20