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HomeMy WebLinkAbout20041764 Ver 2_More Info Received_20070516^ ~ ^ Kimley-Horn ~ and Associates, Inc. May 15, 2007 Division of Water Quality 401/Wetlands Unit 1650 Mail Service Center Raleigh, NC 27699-1650 Attn: Cyndi Karoly Re: Additional Information for Pre-Construction Notification Shiloh Crossing Shopping Center Highway 54 and I-540, Durham/Morrisville, NC UT to Stirrup Iron Creek [030402, 27-33-4-2, C, NSW] In response to the Request for More Information from Division of Water Quality (DWQ) dated October 19, 2006, enclosed please find 5 copies of the following additional information to ^ P.CI. Box 33068 Raleigh, North Carolina 27636-3068 convert from Wet Detention Basins to Constructed Wetlands as discussed at the December 5, 2006 meeting between DWQ and Kimley-Horn and Associates, Inc.: 1. Revisions to the PCN application 2. Revisions to Figures 4 through 14 and Cross Sections for Stream Impacts; 3. Revisions to DWQ Worksheets 4. Revisions to Attachment 2 for Pre- and Post-Development Drainage Areas; 5. Updated NCEEP Payment Acceptance in Attachment 3; 6. Attachment 4 for an overall exhibit of project vicinity; 7. Signed and Notarized Operations and Maintenance Agreements; and, 8. Final Stormwater Management Plans for Extended Detention Wetland A for the Lots 1, 13, and 14 site improvements and the 41eve1 spreaders associated with construction of Shiloh Glenn Drive in Phase 1 of the proposed development. Please note, the proposed on-site public road alignment has been revised to accommodate a change in the development program as shown on revised Figure 6. As a result, Stream Impact #1 has shifted approximately 200 feet to the northeast and retaining walls have been added to minimize the impacts. Also, grading changes were required to provide access to the existing CP&L transmission line structures. A summary of the changes to impacts is as follows: • Stream Impacts decreased 10% from 281 to 254 linear feet; • Buffer Impacts increased slightly from 38,239 to 38,455 square feet; • Wetland Impacts did not change from 0.469 acres. Refer to the revised figures for additional details on the specific impact locations. ..,, - ,-~ . .: ,,~., ^ TEL 919 677 2000 Page 1 of 2 FAX 919 677 2050 Additional Information for Shiloh Crossing PCN Please note, construction will occur in phases. We have enclosed Final Stormwater Management Plans for Extended Detention Wetland A and level spreaders for Shiloh Glenn Drive along with the specific impacts to Streams #1 and #2, associated buffers and Wetlands #1, #2, #3B and #3C associated with the initial Phase 1 development. At a later date, Stormwater Management Plans for Extended Detention Wetlands B and C for future Phase 2 development of Lots 2 through 10 and Extended Detention Wetlands D and E for future Phase 3 development of Lot 12 will be submitted for review. Assuming DWQ approves the Stormwater Management Plans for the initial Phase 1 development, the following language (available in electronic format) is requested to be used in the Section 401 Water Quality Certification as it relates to stormwater: Phase 1 The final stormwater management facilities for Phase 1 (that includes Lot 1, Wal-Mart, Sam's Club, and Shiloh Glenn Drive) shall be constructed according to the approved stormwater mans e~plans received on May 15, 2007. The stormwater drainage infrastructure and treatment facilities shall be constructed and operational prior to occupying any of the above buildings. Phase 2: Final grading and impacts to Wetlands #3C, #4, #6A, and #6B will be based on the preliminary stormwater mana eg ment plans received Mav 15, 2007. None of the building and infrastructure associated with Phase 2 (that includes Lots 2 through 10 and Lower Shiloh Way) will be occupied until the stormwater drainage infrastructure and treatment facilities are constructed and ~erational according to the approved stormwater mana eg ment plans. Phase 3: Final ragdin~ will be based on the preliminary stormwater mana eg ment plans received Mav 15, 2007. None of the building and infrastructure associated with Phase 3 (that includes Lot 12 will be occupied until the stormwater drainage infrastructure and treatment facilities are constructed and operational according to the approved stormwater mana ement plans. If you have any questions, please feel free to contact at me at (919) 677-2000. Very truly yours, KIMLEY-HORN AND ASSOCIAES, INC. _.s Todd St. John, P. . Attachments CC: Eric Kulz, DWQ Jean Manuele, USACE Raleigh Regulatory Field Office Karl Blackley, MBV Investors, LLC J Chris Callaway, Wal-Mart Stores, Inc. Jim Angeloni, Shiloh Morrisville, LLC od,17g4v~-- Revised Pre Construction Notice Office Use Only: Form Version March OS 041~64v2 USAGE Action ID No. DWQ No. ,.r _ ~.~ ~~y N~,~~~u,a, nv~u ,s „ut appucao~e to mis project, please enter "Not Applicable" or "N/A".) I. Processing 1. Check all of the approval(s) requested for this project: ® 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: Nationwide 39 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: 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 here: ^ __ . ,._ II. Applicant Information a : ~.; 1. Owner/Applicant Information "' : , ; ., Name: MBV Investors LLC Mailing Address: 100 Weston Estates Parkway ''Y`~'" Cary, North Carolina 27513 Telephone Number: (919) 481-3000 Fax Number: X919) 481-9775 E-mail Address: karl(a,prestondev.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: Todd St. John Company Affiliation: Kimley-Horn and Associates Inc. Mailing Address: 3001 Weston Parkway Cary, North Carolina 27513 Telephone Number: (919) 677-2000 Fax Number: (919) 677-2050 E-mail Address: Todd.StJohn(a~kimley-horn.com Page 5 of 17 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 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: Shiloh Crossine 2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A 3. Property Identification Number (Tax PIN): Lot 1 - (0747-03-406680) Lot 13 - (0747-04- 604326), Lot 14 - (0747-04-503347) and Lot 15 - (0746-02-697866) 4. Location County: Wake/Durham Nearest Town: Morrisville/Durham Subdivision name (include phase/lot number): Shiloh Crossing Directions to site (include road numbers/names, landmarks, etc.): Northwest quadrant of the US Interstate 540 and NC Hi~hway 54 (Chapel Hill Road) interchange in the northwest portion of Wake County and southeast portion of Durham County (south of Surles Court) 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.) Decimal Degrees (6 digits minimum): 35.8656 °N 78.8445 °W 6. Property size (acres): 11 7. Name of nearest receiving body of water: Stirrup Iron Creek River Basin: Neuse River (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/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: The site is bounded by the proposed Northern Wake Expressway (I-540) to the south and east, NC 54 (Chapel Hill Road) to the west and Surles Court to the north Industrial warehouses (Imperial Center) and forested land are adjacent to the north Page 6 of 17 The nearby vicinity is composed of industrial warehouses commercial buildings some smile family residential homes and forested land (Fi ure 1) The sublect property is primarily wooded with mature hardwood trees One single family residential building exists in the southwestern corner and some non-forested areas exist along the west side of the site along NC Highway 54 A USGS Topographic Quad Map (Fi ure 2~ and NRCS Soil Survey Map (Fi ure 3) are included for reference Two perennial streams (unnamed tributaries to Stirrup Iron Creek and six jurisdictional wetlands are located within the sublect property. Stream 1 originates within the subject propert amend captures flow from on-site wetlands. Stream 1 flow west to east into Stream 2 near the northeastern corner. Once off the sublect property Stream 2 flows through a twin box culvert under I 540 to the southeast to Stirrup Creek which continues southeast to Lake Crabtree and Crabtree Creek A 265 feet wide CP&L easement for an overhead power transmission lines is located in the eastern portion of the sublect propertyand generally runs north to south (Fi ure 4) 10. Describe the overall project in detail, including the type of equipment to be used: The proposed retail shopping center will include 2 bid box stores 10 outparcels and a lard flex retail area (FiQUre 5). Phase 1 will include construction of the on-site public road (Shiloh Glenn Drive) the big box buildings and associated utility and stormwater improvements. Phase 2 will include portions of the private access (Lower Shiloh Way,), outparcel development and associated utility and stormwater improvements Phase 3 will include the remaining portion of the private access and lame flex retail area and associated stormwater improvements. Heavy equipment such as bulldozers and excavators and some blasting of rock may be required for radin~ and stormwater management Several retaining walls will be constructed to minimize impacts The water and sanitary sewer infrastructure will be installed within the roadways and parking areas to minimize imnact~ ~Fi ure 5~ 11. Explain the purpose of the proposed work: The project will create a development node alon a major urban transportation corridor where Mayor Commercial has been identified on the Town of Morrisville's Land Use Plan The development will create a regional shopping center that will serve the rapid residential growth in this area will be adequately buffered from adjacent properties with no direct adjacency to residential homes 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. Page 7 of 17 A jurisdictional determination has been issued for the on-site wetlands on 4/4/05 (USAGE File #200421479) and a DWQ on-site stream buffer determination was made on 11/10/04 (DWQ EXP #04-1764). USAGE issued the Section 404 Nationwide Permit for the proposed impacts for the project. Copies of these documents are included in Attachment 1 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. The entire project is presented in this application All impacts and environmental factors are included as part of this application including future Phase 2 and 3 development of the outparcel Lots 2 through 10 and Lot 12 flex retail area No additional impacts are anticipated 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. 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: Refer to Figure 6 for an overview of the wetland and stream impacts. Wetland Impact 1 (Permanent -Non Riparian)• The proposed impacts to Wetland 1 are due to Grading and fill associated with construction of the Wal-Mart parking lot Impacts will occur m Phase 1 and include the_entire 0.019 acres of Wetland 1 as shown on Figure 7 Mitigation will be required. Wetland Impact 2 (Permanent -Non Riparian)• The proposed impacts to Wetland 2 are due to gradine fill associated with construction of Shiloh Glenn Drive Impacts will occur in Phase 1 and include the entire 0.108 acres of Wetland 2 as shown on Figure 7 Mitigation will be required. Wetland Impact 3A (Permanent -Non Riparian)• The proposed impacts to Wetland 3A are due to grading and fill associated with construction of Shiloh Glenn Drive Impacts will occur in Phase 1 and include 0.073 acres of the northwestern portion of Wetland 3 as shown on Figure 8 Mitigation will be required Page 8 of 17 Wetland Impact 3B (Permanent - Riparian)• The proposed impacts to Wetland 3B are due to grading and fill associated with construction of Shiloh Glenn Drive Impacts will occur in Phase 1 and include 0.040 acres at the northeastern portion of Wetland 3 as shown on Fi ure 8 Mitigation will be required. Wetland Impact 3C (Permanent - Riparian)• The proposed impacts to Wetland 3C are due to grading and fill associated with construction of a private access roadway connection from Shiloh Glenn Drive to Lower Shiloh Wa~Impacts will occur in Phase 2 and include 0 166 acres in the middle of Wetland 3 and 758 square feet of Zone 2 riparian buffer as shown on Fi ug_re 8 Mitigation will only be required for the wetland impact Linear Wetland Impact 4 (Permanent -Non Riparian): The proposed impacts to Wetland 4 are due to ~radin~ and fill associated with the construction of Lower Shiloh Way and future development of 2 outparcels (Lots 2 and 6). Flow from Wetland 5 to Wetland 3 will be maintained with a stormwater by-pass for off-site run-off Impacts will occur in Phase 2 and include the entire 0.039 acres of Wetland 4 as shown on Figure 9 Mitigation will be required Wetland 5 (Permanent -Non Riparian)• The proposed impacts to Wetland 5 are due to grading and fill associated with the widening of NC 54 Impacts will occur in Phase 1 and include the 0.004 acres of Wetland 5 as shown on Figure 9 Mitigation will be required Wetland Impact 6A (Permanent -Non Riparian)• The main portion of Wetland 6 will not be impacted however minor impacts are proposed to grading and fill associated with the construction of Lower Shiloh Wav. Flow from the off-site NCDOT drainage will be maintained with a culvert. Impacts will occur in Phase 2 and include 0 006 acres of the linear wetland portion of Wetland 6 as shown on Figure 10. Mitigation will be required Wetland Impact 6B (Permanent -Non Riparian): The main portion of wetland 6 will not be impacted however minor impacts are proposed to grading and fill associated with the radin and fill associated with development of Lot 9. Flow from the off-site NCDOT drainage will be maintained with a culvert. Impacts will occur in Phase 2 and include 0 013 acres of the linear wetland portion of Wetland 6 as shown on Figure 10 Mitigation will be required Stream Impact 1 (Permanent • The proposed impacts to Stream 1 are due to grading and fill associated with construction of Shiloh Glenn Drive and a 36 inch diameter culvert in the channel with two 24" diameter culverts above the channel for flood conditions Impacts will occur in Phase 1 and include 127 linear feet of stream impact 9 538 square feet of Zone 1 riparian impacts and 7 988 square feet of Zone 2 riparian impacts as shown on Figure 11 Miti ation will be required for the stream and buffers impacts exceeding 150 linear feet Stream Impact 2 (Permanent): The proposed impacts to Stream 2 and riparian buffers are due to grading and fill associated with connection of Shiloh Glenn Drive to the existing NCDOT Service Road and two 9-foot x 10-foot box culverts in the channel Two similarly sized box culverts exist 100-feet to the southeast under I-540 Impacts will occur in Phase 1 and include 1271inear feet of stream, 7 205 square feet of Zone 1 and 4 604 square feet of Zone 2 as shown on Figure 12. Mitigation will onl bye required for the stream impact Page9of17 Buffer Impacts (Permanent): The proposed impacts to Zone 1 and Zone 2 riparian buffers are due to eradm~ and fill associated with construction of stormwater outlet pipes from the Extended Detention Wetland A level spreaders (LS-1 and LS-3) for diffused flow from Shiloh Glenn Drive, and access to the CP&L transmission line structures Impacts will occur in Phase 1 and include a total of 1,792 square feet of Zone 1 riparian impacts and 7 320 square feet of Zone 2 npanan impacts as shown on Figures 13 and 14 Mitigation will not be required 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 (WI) Site Number Type of Impact Type of Wetland (e.g., forested, marsh, herbaceous, bog, etc.) Located within 100-year Floodplain (yes/no) Distance to Nearest Stream (linear feet) Area of Impact (acres) WI 1 Parkin :Gradin and Fill Forested No 900 0.019 WI 2 Road: Grading and Fill Forested No 500 0.108 WI 3A Road: Grading and Fill Forested No 100 0.073 WI 3B Road: Grading and Fill Forested No 100 0.040 WI 3C Road: Grading and Fill Forested No 50 0.166 WI 4 Road & Outparcels: Gradin and Fill Forested No 300 0.040 WI 5 Road: Grading and Fill Forested No 800 0.004 WI 6A Road: Grading and Fill Forested No 200 0.006 WI 6B Road: Grading and Fill Forested No 300 0.013 Total Wetland Impact (acres) 0.469 3. List the total acreage (estimated) of all existing wetlands on the property: 1.577 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 Stream Name Type of Impact Perennial or Average Stream Width Impact Len h ~ Area of Im act (indicate on ma) Intermittent? Before Im act (linear feet) (a ces) Stream Im act 1 . p UT to Stirrup Iron Creek Road: Culvert & Dissipater Pads Perennial 3-feet 127 0.009 Stream Im act 2 p UT to Stirrup Iron Creek Road: Culvert & Dissipater Pads Perennial 15-feet 127 0.044 Total Stream Impact (by length and acreage) 254 0.053 Page 10 of 17 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, excavation, dredging, flooding, drainage, bulkheads, etc. Open Water Impact Name of Waterbody Type of Waterbody Area of Site Number (if applicable) Type of Impact (lake, pond, estuary, sound, bay, Impact (indicate on ma) ocean, etc.) (acres) Total Open Water Impact (acres) 6. List the cumulative impact to all Waters of the U.S. resulting from the project: Stream Impact (acres): 0.053 Wetland Impact (acres): 0.469 Open Water Impact (acres): Total Impact to Waters of the U.S. (acres) Total Stream Impact (linear feet): 254 7. Isolated Waters Do any isolated waters exist on the property? ^ 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 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. Page 11 of I7 The proposed development has undergone multi le changes and revisions to avoid and minimize impacts to wetlands streams and riparian buffers The design concept has considered preservation of these natural areas to help buffer the scale of the project and provide a pedestrian friendly sidewalks offering views into the wetlands and stream corridor The location of the main site entrance along NC 54 was set by NCDOT based on criteria for breaks in control of access and required spacing of traffic signals Shiloh Glenn Drive has been located to avoid impacts to stream buffers and wetlands while providing minimum capacity and adequate traffic patterns (Figure 5) A traffic circle has been used to allow for a more perpendicular crossing of Stream 1 and reduction of lanes from 3 to 2 to minimize impacts Figure 11). In addition a variance was obtained from the Town of Morrisville to reduce the design speed and pavement width for the main on-site public roadway to further minimize stream impacts. Impacts to Stream 2 are unavoidable due to existing disturbance related to the current construction of I-540 and required connection to the existing NCDOT Service Road to allow for traffic flows to Slater Road (Figure 12) DWO's Sam Aghimien Debbie Edwards and Mike Horan did_not obtect to these crossings in a meeting on August 31 2005 The majorit of the stormwater run-off from Shiloh Glenn Drive will be treated with level s readers however a small area at the crossing of Stream 2 cannot be treated Impacts at Wetlands 3A and 3C were not originally considered in the design• however the proposed private access connection from the Shiloh Glenn Drive to Lower Shiloh Way was required by the Town of Morrisville to provide additional "stacking" on Shiloh Glenn Drive such that the intersection of Shiloh Glenn Drive and Lower Shiloh Wa near Wetlands 2 and 3C can only be a "right-in/out and left over" movement to provide adequate traffic flow (Figures 5 and 8). DWQ's Amy Chapman and Ian McMillian enerally accepted the need for the impacts in a meeting on June 2, 2006. Impacts to Wetlands 3A and 3C have been minimized through the use of wing wall sections on both sides of the proposed culvert and the reduction in lanes from 3 to 2 at the crossm:? with the addition of the western most traffic circle Impacts to Wetland 3 were avoided to the extent practicable to allow construction of Shiloh Glenn Drive. Design plans have been revised to protect sideslopes and add retaining walls on the south side of the Shiloh Glenn Drive to minimize the impacts to Wetlands 3A and 3C Wetlands 5 and 6 have been almost entirely avoided (Figures 9 and 10) In addition the existing hydrology of Wetlands 3 and 6 have been maintained with the proposed culverts and by^pass piping to allow the natural flow of stormwater to continue to release into these 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 Page 12 of 17 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. 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. Payment into the NCEEP is proposed for mitigation of wetland and buffer impacts. 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): 508 Amount of buffer mitigation requested (square feet): 40,590 Amount of Riparian wetland mitigation requested (acres): 0.206 Amount ofNon-riparian wetland mitigation requested (acres): 0.263 Amount of Coastal wetland mitigation requested (acres): * Mitigation only required for stream and buffer impacts at Stream # 1 IX. Environmental Documentation (required by DWQ) Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land? Yes ^ No Page 13 of 17 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 have been included 1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Meuse), 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 ® No ^ Meuse River Basin 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 18,533 3 (2 for Catawba) 28,608 2 19,912 1.5 11,982 Total 38,445 40,022 T cone 1 extends out sU Ieet perpenuicular trom the top or the near bank of channel; Zone 2 extends an additiona120 feet from the edge of Zone 1. ** Mitigation only required for buffer impacts at Stream # 1 for impacts greater than 150 linear feet 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 1 SA NCAC 2B .0242 or .0244, or .0260. Payment to NCEEP is posed for mitigation of stream and buffer impacts associated with Stream # 1 only. Refer to the acceptance letter from NCEEP included in Attachment 3 Page 14 of 17 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 proposed development will disturb approximately 90.42 acres of the 115.7 total site acreage. Pre-development conditions include approximately 0.4 acres of impervious area and Post- development conditions include approximately 79.4 acres of impervious area (Attachment 2Z Approximately 25.23 acres of undisturbed grass and wooded area will continue to drain to the on-site perennial stream channel (unnamed tributary to Stirrup Iron Creek Please note, construction will occur in phases with initial stormwater controls for Phase 1 limited to Extended Detention Wetland A for Lots 1, 13, and 14 and four level spreaders for Shiloh Glenn Drive. Stormwater controls will be constructed later for future Phase 2 development of Lots 2 through 10 including Extended Detention Wetlands B and C and for future Phase 3 development of Lot 12 including Extended Detention Wetlands D and E. The extended detention wetlands have been designed to treat the first 1-inch of Stormwater run- off and remove 85% total suspended solids. The level spreaders have been designed per the bypass alternatives allowable by NCDENR for diffuse flow through buffers for compliance with D_WQ's Level Spreader Design Guidelines, Final Version, Effective Date 1/1/2007. Nitrogen loading rates will effectively be reduced below the required 10 lbs/acre/year per the Neuse Stormwater Rule (15A NCAC 2B .0235) for the entire site. Adequate storage will be provided to reduce post-development peak discharge flows to below pre-development peak discharge flows for the 1, 2 and 10-year storm events in accordance with the City of Durham's Stormwater Design Criteria and Town of Morrisville's Stormwater Runoff Management Policy. Refer to Attachment 2 for Pre and Post-Development Drainage Exhibits and NCDENR design summary worksheets for the proposed extended detention wetlands and level spreaders. The project will include off-site roadwa~provements to NC 54, NCDOT Service Road, and Surles Court, Slater Road, and Hopson Road intersections. Stormwater controls for widening of NC 54 adjacent to the site will be combined with existing run-off from NCDOT's R2000ab TIP and discharged into a velocity dissipater approximately 100-feet in front of Wetland 5. After diffuse flow through the wetland, the Stormwater will be pi e~ d to bypass a portion of the site and discharge into Wetland 3 at the headwaters of Stream 1. Stormwater for the other off-site improvements for NCDOT maintained roads will be routed into the existin doge structures. 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. The Town of Morrisville Concourse Interceptor Improvement will extend sanitary sewer service to the site. Wastewater will be treated through the Town of Cary wastewater treatment facility. Page 15 of 17 XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland 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 additional development, which could impact nearby downstream water quality? Yes ^ No 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 site is bounded by NC Railroad to the west I-540 to the south and east and Imperial Center to the northwest. The only undeveloped area is to the northeast with access from Slater Road and the existing NCDOT Service Road The proposed development will construct Shiloh Glenn Drive from NC 54 through the site and across an unnamed tributary to Stirrup Iron Creek (at the east end of the Shiloh Crossing project) to connect to an existing NCDOT Service Road which continues to Slater Road. Refer to Attachment 4 for an exhibit of the overall development in the vicinity of the site and the existing 2 lane paved shoulder section of the NCDOT Service Road which ends at the crossing of the unnamed tributary of Stirrup Iron Creek Making the connection to Slater Road through the site would be the last remaining section to connect the NCDOT Service Road from NC 54 It is possible that providing this road connection would make the undeveloped land west of the existing NCDOT Service Road and northeast of the Shiloh Crossing site more attractive for development. However, the development overlays shown on the exhibit in Attachment 4 are a direct result of the I-540 construction and not related to the Shiloh Crossing project Since construction of the road extension itself will not result in any further im ap Cts than already requested herein, the only other potential indirect or cumulative impacts would be from potential future development to the west of Slater Road Impacts to stream wetlands or stream buffers in these locations would be subiect to regulation by the USACE and DWO Additionally all of the undeveloped land would be within the City/County of Durham's jurisdiction which has its own buffer ordinances and extensive stormwater management requirements that meet or exceed DWQ's requirements. These requirements which apply to all new development include nutrient reduction requirements per the Neuse Buffer Rules control of peak discharge from the 1 2 and 10 year-24 hour storm events and 85% TSS removal requirement per NPDES Phase II requirements. As such, all potential indirect and cumulative impacts would be addressed by the existing regulatory framework. Page 16 of 17 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). Final Stormwater Management Plans for Extended Detention Wetland A and 4 level spreaders for Shiloh Glenn Drive for the initial Phase 1 development of Lots 1 13 (Sam's Club) and 14 (Wal-Mart) have been enclosed with the Pre Construction Notice. At a later date Stormwater Management Plans for Extended Detention Wetlands B and C for future Phase 2 development of Lots 2 through 10 and Extended Detention Wetlands D and E for future Phase 3 development of Lot 12 will be submitted for review. Assuming DWQ approves the Stormwater Management Plans for the initial Phase 1 development, the followin language available in electronic format is requested to be used in the Section 401 Water (duality Certification as it relates to stormwater• Phase 1: The final stormwater management facilities for Phase 1 (that includes Lot 1 Wal-Mart Sam's Club, and Shiloh Glenn Drive) shall be constructed according to the approved stormwater management plans received on May 15 2007. The stormwater drainage infrastructure and treatment facilities shall be constructed and operational prior to occup ing any of the above buildings. Phase 2: Final grading and impacts to Wetlands #3C #4 #6A and #6B will be based on the preliminary stormwater management plans received May 15 2007. None of the building and infrastructure associated with Phase 2 (that includes Lots 2 through 10 and Lower Shiloh Way will be occupied until the stormwater drainage infrastructure and treatment facilities are constructed and operational according to the approved stormwater mana ement plans Phase 3: Final grading will be based on the preliminary stormwater mana ement plans received Ma.~15 2007. None of the building and infrastructure associated with Phase 3 (that includes Lot 12 will be occupied until the stormwater drainage infrastructure and treatment facilities are constructed and operational according to the approved stormwater management plans l i li Applicant/Agent's S (Agent's signature is valid or re s l~Nl2o~~ Date if an authorization letter from the applicant is provided.) Page 17 of 17 Revised Figures and Cross Sections Q4. 1T64 V~ , _- , .. ~J t l rro ~ / r- I ,,- r _` ~: ~ -..- ` _ ~i 1 "' / ~\ ~~.~ r~ ~: \' I II ~ PA ERUr1EOF// C~~' r' , _ ~oy~D A ..1 .~ ....-....~. ,~ I „ ~ , `. , / `x_n\., ,,\~ _ 1 - Ji .- _~ PARKING \ l / '-/~~ p,._ .\\ \ 'I~~ .~ • - i '; ~\ NNA 1 BuENrr ro,__. / / , _ ,,._ v~/ ,. .__. ~.~ --. ! ; ''./r ' ~- . _ .~ _ - - - ~ ``~ ~ ''`' 1,1 ~~ // ~ =-G, \\ ~ ~~ `" .. ~uP IRaN` c~Ee ~ -- ' r'''y / ~ ,. ~, i \ _-.~ ,- _ ,1 ~, ~.. ~ ~ `,r, 1'4 ~;/ ,. 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A.~ O 111 \ ..'~ r .4 ~i' / j j~/' ~~ / ~ ~"' /~ ~ A -~ ~ :~ v.ti ~ ~,~"~ \. /"r'/ ~ / ~ ~`V~S i A~ ` / r j ~ . 1~ i / r,% F A 1 \. ~ i I~._. -_ : /r / - .~~9 w / ~ ( I , . t r. .~ , , ,' /~/ ~ ` , ~"~ r-... ~l ,,:,`. 1 \ r 7,. I , ,~ /" _ ,.rte/ ~ / ~ NE~GAIB ~NAD,83) ' I ~ ~' / t " i - _ ,- a_,,. .AA's ~ .-~ .!\ . -~'. X71. ~ i ~~ r , _ _. A , , `Rt, ~ i , i n , ~ ` % , ~ ;.t' ,' 1- ;~ _ ~ V A f /! 'KaPPERS; i - i' ' ° .. / / ~~ / "r \._ _' _ , it '. / . REVISIONS DATE BY CONVERT WET DETENTION BASINS 4/09/07 CMD SHILOH CROSSING ~~ WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. MORRISVIUE/DURHAM FIGURE ~4 Kimley-Horn and Associates, Inc. EXISTING CONDITIONS NORTH CAROLINA Q 2007 i i i t CONNECT TO EXISi1NG ~ I `~" - _---"~~•n- 12" WATER MAIN (CITY 8° SANITARY ~ _ - _.+.-~- " _~ ' "~ ~ r OF DURHAM) SEWER MAIN EXTENTION ~~ " • I (PHASE 1 FOR LOT 1 ONLY) ~~~ ~ANITA WER MORRIS4ILLE '~ s ~ n _.. ~•~•, n,,,,. ~ ,, EASEMENT JURISDICTIONAL LINE ~,~,. "' ~ ~ . ~ _.. I U~~FS CC .- s ~°°" "'^-~~,~~URF (6p~ ~ - ~ TIE INTO EXISTING EXISTING FIRE HY[ " v"'' "WATER ~~W~"a.;.~ +' ~~'. ~ PRIVATE SANITARY I 24" STEEL ENCASEMENT FOR- ~~°~ ~ : ~ ! SERVICE TO - 1 1 MANHOLE (COUNTY Ma FUTURE 15" DI CONCOURSE V f~ (PHASE 1 FOR i~ I OF DURHAM) p5`~V'C ; ~ INTERCEPTOR (MORRISVILLE.` - ~I ~' LOT 1 ONLY) €` ~ ~~6 '` .,.----R'~"" ; ~ ~. I ~ CONNECT SANITARY SEWER T0. 1 ~," L ~ ,~ „~ _ - tib5 l j ,K ~~ \_ ~- ` I ~. ; ~,~ ~ (PHASE 1)E(TOWN OFPCARY) ,, LOT 1 3o DURHAM COUNTY I MORRISVILLE ~ - ~-y~ - -~-~ r - - - - - - sEwER EASEMENT - ° ~ I JURISDICTIONAL NE - .~' / / % J~; ' ; ' ~ LOT 14 ~ ~ ,. -- .. - ~ / ;-~ ~ wEr I './ ~ ~MORRISVILLEETJ -•-~~.~~'' ~ ! ~r- ~~ DETENTION r , ~- " - ~ ~ BA U ~~\ / ~ - ~r ;' ;. , ..- ~ SVILLE SIN MO I ETJ I E // '~ EXTENDED + -~ ----- / _ ~.- .~ r.~ r ~ i jai.. ~ ~ ~ ~ I WETLAND A ~% J L, ------ --;~- ----- -.~--_ ~;,- - ~-~.~ __- _ DURHAM_COUNTY ~- 2"DIwaTER /! MAIN ~ _ I ~ /,< ' WAKE COt1NTY ~ P! -- -> ~.. .. ,~R / /~+ ll r~ `~ E SANITARY ! i / / ~ 6 SANITARY SEWER SERVIC~ X i SEWER SERVICE ~a r ~`3\, - - ~~ r FROM WAL MART FRCM SAM'S CLUB ~ LOT 13 ~``~ ~4 FUTURE WATER ! ~~ 20' TOWN OF CF ( ~t>> PIPE~UTILITY EA..L~ _ i ! (PHASEI)~ (PHASC 1) -' - CONNECTION `' '~ (TYP)I -" -_ ~ t ~.~ END 12° WATER MAIN ~ -~ ~°'°~ `' -;.,~ ~ /~7 (PHASE 1) 1! r/ / / / ! %! 1 N r/ ,!r/ ! ~ / ,~ t '' ~ ~ 12' WATER SERVICE s ` -~ - ~ • '~ ~ ~~ (TOWN OF CARY) ~ CONCOURSE '>~ TO NAL MART. (PHASE I) 12' WATER SERVICE- ~ - ~ ~~ / INTERS~I'TOR t v ARY SEWER TO SAMS CW}B ~' i~S~ r ~~ SHILOH GLENN DRIVE ~O ERS ~. ~ ~ t ~ ~~~ ~~ (PHASE 1) (PHASE T) ~ .-~--"~ ~ ~ /~, r ~, . -~ ~, RVDF CARY) 4 ~ 10" SANITARY V ~ \ i .TED WETIAND1~ - ~ -' -~~' ~ SEWER MAIN ~ ~ ~ ~ ~ - ~ .e ~ ~ 12" of wATER ~~. I~ ,~ ~,~ (PHASE 1) i Y -• ~ • ~ ~-r ~'"^ TOWN OF CARY ~ - ~ ~ ~ ,/ J ¢ 9!~ (TOWN OF CARS) ° ~~ - - ~ , r /,~1,,,. •' ° ,..~ ~ Y,//, r~ ~ . " ~~~w ,. ~ ~~. r / ~. ~~~.. ~ ~ FIRE HYDRANT ASSEMBLY TYP.) / / r .. Y ~ ~8""PVC SANITARY ~ -, ~ ,•_ ~~_ r~ 8" PVC - ~"~' ~ , / ~~'- ~ ~ ! 12" DI /// / ~ +~~ ~~ a ~. SEWER MAIN ~ I~ SANITARY (((~ ~ - / WATER MAIN ~ CONNECT TO EXISTING O A. A SERVICE ~ ,v ~ 1 ~ LOT 12 / ~ 16" WATER MAIN S LOT 3 __!, '~ - ~ '/, 'TOWN OF CARYir ;;' ~ ~ ~. d `~ ~ LOT 11 ~ ? - j , TILITY & PIPE ! / ~ ~ (MORRISVILLE) • Oy , ~- ~ ~ -. - ~ ~~ ~ `~.-~ //,, EASEMENT ~'%/ / `'` ~ X 9 J r I ~ 8" SANITARY (PHASE 2) ~ / ~ ~~ ~ '. 8" DI "~ ~ ~~ ~ ~; .. f ~'~.~' ~ ~ p SEWER MAI 1~; // N \4V1 ~ ~, WATER MAIN LOT 2 ~~ ~ ~ f ~. 1 (PHASE 2)/ // X ~ / ~ '~ ~ -: 8 WATER MAIN. - ,_ - I ( (TOWN Of/ CARY) / p V S ~, A LOT 4 ~ `: (PHASE 2) / 8" WATER MAIN ;/ X~ V 9,0 ~ ~ `~ .%~ ~ K• ~~: (TOWN OF CARY) LOT 10 - ~. " (PHASE 2) ~ ~d / N < r c EXTENDED I r ~~ (TOWN OF CARY) X y -, ~ ~ ~ ~ LOWER SHILOH WAY WETLAND C ~ b e / ~ ~ ~ ,~, ~ LOT 5 '~ ~ G1 r;~ !!/ ~ ,, / i i / ' ~ -" ~ /• ~ r~; ~ / ` ~ _ B" DI 20' TOWN OF J FUNRE WATER CARY UTILITY & ~~ ~~ /`/ i ~ ~~ ~ ~ ~ FUNRE SANITAR ~~ DRAINAGEr-r Wq~R LOT 8 •, MAIN ~ ~~ PIPE EASEMENT ea / / ~ / ` ~ ,\ ~ :•'~ EASEMENT'; CONNECTION. -CONNECTION (TYP.) / (PHASE 2) / ~~ ~~ / ~` ~. ~ ~~ ~ LOT fi '~ (n'P) 8" SANITARY LOT 9 ~' '~' / = `~ ~ ~ ~ ~ / ~ / ~ A~'. i ~, SEWLR MAIN ,~ EXTENDED • / Y ~~ -^(PHASE 2) ~ .~ ~ WETLAND D ,~~ ,- ~ / X ~ ~, ',. LOT 7 „-" (TOWN OF CARY) ~ ", ~' _FUTURE 12' •WATER \~ ` < .,: - V / (IF REQUIRED F SE 3 / - ~-'t' ~ `~ ~ ' DRAINAGEI i' HA i ~ ~ //'J_ _ _ ~ 4 ~ ASEMENT LOT 11 /• _. /%/ (TOWN OF~ARY) i ~ / \ ~ ((~~ t `.~' i ;,. " ,_ -, ~ ; ; ' i~ ~ EXISTING WETLANDS P.B. 129 PG. 207 ! CONNECT TO EXISTING Y ~ ~ ~, - - _ ~._ _ ~ / _ _ ! i6" WATER MAIN 9~ OG'S ~~-PROBERX_ - _ e ,"~ r __..... __-- ' i / _ ~ (PHASE 1) ` yp~yF~ ~i/i jAl~" ~~ ._.z __ - i ! / ~ ZONE 1 STREAM BUFFER (TOWN OF CARY) \ 9pF2 ~ ~ii~ ~ 265 ~ ~`"" ~~ / I - O y ~9~ 4:/ice CPkL EASEM ~ a 16.5' AT&T EASEMENT ti ~ ~ " %~ ~ i ~ I 8" WATER MAIN O O ! . G;' DB 412 PG 68 DB 4283 PG 738 ~; ' I, _ J ZONE 2 STREAM BUFFER S ~ 9 ~ CP&L DRAWING RW-0 99 ~ ~ /~ (PHASE 2) A '~ y 9~ DB 8563 PG 1926 (TOWN DF CARY) 9 0 SHEETS 2 AND 3 •r %~ /i 2~1~ /; ~ ~~ ~ /' i v ~ \~ ;, ~= ,%" %~ GRAPHIC SCALE / ~ / ;\` N~`\ ~//' '~ : ~ i ~; '~ (IN FEET ) ,/ ~ ~~ ~ 1 inch = 200 ft. ~~~ KimleyHorn and Associates, Inc, ©2DD~ REVISIONS DATE BY CONVERT WET DETENTION BASINS a~os~o~ cMD IN VI E L L C , . . . C./SHILOH MORRIS LL WAL-MART STORES, SITE/UTILITY PLAN SHILOH CROSSING MORRISVILLE/DURHAM FIGURE •5 NORTH CAROLINA •°~ ..-- - ~~ b t r-^` ~ aROrosm Pueuc ! , ~y ROADWAY (SHLOH l ~~r 1 iGLENN OPoVE) ~.. . i /per \~~r~R:7LA-PNI_ ` ~~ f „M/"" m - -- -~-... ~, w ~ WINERY B ~_ ~~ ,-'" N1PAfJ ~_,,~ ~.~,, (PHASE ~ .«-'' ~~ t t , /' -~,.....~., ~ , .- '°`~`_-r- i u ___ . 6 ~ ~ a , 80UNDARY ~1~ ~ . P.B. 129 PG. 207 ~ '~ ~.,, t '~ ~ ~ GRAPHIC SCALE '~~ , \~ ~ ~ o ,~ ~~ ~ , ~~ ~. ~~ ,rte/,,:~.. ; / ~ (nr ~r ) ;~: ,.~i"~ .-~'~ _ ~ .,'='~~ ~~~~ 1 inch = 200 tF. =~ REVISYONS DATE BY CONVERT WET DETENTION BASINS 4 09 07 CiAD Kimley-Horn antl Associates, Inc. ©~ WAL-MART STORES,. INC./SHILOH MORRISVILLE, L.L.C. WETLAND & STREAM IMPACTS MAP SHILOH CROSSING Mo~sv~iour~u~ FIGURE •6 rioRTH c~a.a~ / ~ ~ ~ ;~; t ; i/ f ~ I ~ I ~ I 1 I III 1 \ ` ~ ` \ 1 1 1 1 1 1 -1 ` I ~ \ ~ i ~ ~ i I ~ ~~il / i~ I ~~ ~ i ~ •1 ~ `•~~ -'~ I ` ! / ` r``~r\ ` ;~ ' } L ~~ ~ "' TLAND~iMPACT ~1~ ~ i ` i ~,~• .~ ~~ ~~ , , r ~ ~ y_.-r i . i ~ ~~.-~ ~ ~ ; '823.-SF ~ ~ ` _ \ ~ ~ _ _~_ _ .~ ~ , ,,, s >- ;.. ~ - •' .U.=' ~ , ~ ~ ~ ~, ~ ~ ;. ~- ~ •' ~ \ ~' ~ . 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Q o 6 o m e s a ,.K a m m a 9 ®,a~ a ~ ~~ ~ k ~ tl' 0300p0 0 0~0 0 0 e J6 6 Y Y 6 m h m ~w ,S} „/ m 6 m 6 6 ~~+-'a..~, b fat ~am y-...r._.J/ f :~ ~ ' ~~°^.. m ° ~ F aRA`Pa' STABILZ ~ ~ '~ - ~ ~` ~- e ~. ~ ~~~,° ~.- ~b~DARY OF °~~~ a . o o a ; ae~ ~ ~= -- `-E T~IVG~IIIIETLANDS _ .. ,rte ... _ ~ ~,~- ~ ~ _~ ~ -~ _~~ ~`'. a \~ ,~ `: , .::Q\ ~. `~ e o a ~ ~--`~• 0 0 ~. O 0 0 0 1 a ._T -~ 50 LEGEND EXISTING CONTOURS /'~ `~`~4 ~ PROPOSED CONTOURS . :~ DELINEATED STREAM ~~~~ PROPOSED STREAM IMPACT(CULVERT) RIPARIAN BUFFERS(ZONE 1) ~m.~~~~~ _~ ~'~~~ RIPARIAN BUFFERS(ZONE 2) PROPOSED ZONE 1 IMPACTS .•,•.•.•.•.•.•,• PROPOSED ZONE 2 IMPACTS ~~ DELINEATED WETLANDS •.•• PROPOSED WETLAND IMPACTS P.B. 129 PG. 207 GRAPHIC SCALE 25 50 100 200 ( IN FEET ) 1 inch = 50 ft. ~:~ REVISIONS DATE BY CONVERT WET DETENTION BASINS 4 09 07 CMD Kimley-Horn and Associates, Inc, ©~ WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. 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"~~~ ~ ~~ ice. - ~ , ~ . ~ l ~ ~ , ~'' ~:a REVISIONS DATE BY CONVERT WET DETENTION BASINS 4 09 07 CMD Kimley-Horn antl Associates, Inc, ©~ LEGEND «„ EXISTING CONTOURS / o ~5~,~,/ PROPOSED CONTOURS DELINEATED STREAM '~ PROPOSED STREAM IMPACT(CULVERT) RIPARIAN BUFFERS(ZONE 1) ~~~~`~~~_`~ RIPARIAN BUFFERS(ZONE 2) PROPOSED ZONE 1 IMPACTS .•,•.•.*.•.•.•.• PROPOSED ZONE 2 IMPACTS ~~ DELINEATED WETLANDS '.`. PROPOSED WETLAND IMPACTS P.B. 129 PG. 207 GRAPHIC SCALE so a zs so goo ( IN FEET ) 1 inch = 50 fk WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. WETLAND IMPACT w4 & ~5 zaa SHILOH CROSSING ~~~ FlGURE ~9 c~aouru "- -" _- ~ t e 1 < < ~ ._ •: • ' 1 ~' ~`, i ~ , ,, ., i , ~ ~~ •w~4~t~o•~,` "~~ M ~~ . ~ LIN~AR TEAND ~ ~ ~ ~ ~~ ~ ~. • . ~ t ~~..- ,,,t II~PACT~~~ ~ ~ ~ ~ ?~ ~ ~l ~~ ! ~ ~ ~~ ~ ~ ~ .~ ate, z ,, , 1 '~.' ~ ~ ~ 1 `'~- ~ ~ i~ f ~, i . i r ,. ~j i 1 ( ~~ ! ~ w ~ /~ ~ 3 • / /~ ~ s i `, , ~ ~ i. ~ i ' 3 ~•t'~ `~ ~~ _~, r t ,~, t ~ r t ', , ~~~ ~ / ~ ~,„, ! ~M .., t~ i 1 r' 1 ,~' r ~ ~~ ~ ~ ~ i ~ ~ ~ I ~ E~ !~ rI~ ~ 1 ~ ~ •" ^+. /" V1~ ~ I ~ 1 1 r i i `"'~ t ! if ~ ~~ "'~,,,d ~ 1 ~~" ~ r ~ 1 ( ~~~ . / ~ ~~ /~ ~ ~ ~ ~ ~ ~~ E~ r rv„ 1 ~~ l ~ / ,~ ,~ l ~~ , "` ~ ~ ~~, ~ ~~~ ~~ t~ ~~ ~~ ~ ,~ ~ ~ ~I/ f' ~ ~ ~ ~ ~,.~ EXTENDED ~ ~ ~ ~ ._,~~ ~~ ,~`~~} I ~ / ~ ~ ,! f l" Y~ ~% 1 m m'" ,>''", f !d / /' f~" `I' f ,.+ ~.,,. ~ ~ ~J l r, ,/ ,,. f ~ ~ _ ~ ~ ~ ~ i { .LEGEND EXISTING CONTOURS /f ~~`~ ~~~~,/ PROPOSED CONTOURS ~ ~ DELINEATED STREAM *~~~ PROPOSED STREAM IMPACT(CULVERT) ~~ RIPARIAN BUFFERS(ZONE 1) ~~~ ` ~ ~ ~ - "` ~ RIPARIAN BUFFERS(ZONE 2) PROPOSED ZONE 1 IMPACTS .•.•.•.•.•.•.•.• PROPOSED ZONE 2 IMPACTS L~ DELINEATED WETLANDS '.•• PROPOSED WETLAND IMPACTS P.B. 129 PG. 207 GRAPHIC SCALE 50 0 25 50 100 200 ( IN FEET ) 1 inch = 50 ft ~:a REVISIONS DATE BY CONVERT WET OETENiION BASINS 4-07-09 CMiD Kimley~Horn and Associates,-Inc, ®aooti WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. WETLAND IMPACT •6 SHILOH CROSSING ~ FIGURE X10 rioRm c~waxu ~` EXISTING CONTOURS / ~ f/ r ~..~~'~'~~~4 , ~ / f ~/ , t -- -- / / -- _ r / ~"~'v~S~ PROPOSED CONTOURS ~~ ~ `~ ~ ,/ ~ / ,. / /'` ~ ~ / /~ .~ ~ ,~° ~%' / / / /~~ ~ N \ DELINEATED STREAM ~ STR,E~M/IMPAG~T / / / '~~~ ' `~ // / ~ ~®,°a •: _ i PROPOSED STREAM IMPACT(CULVERT) ,~~ _ __ .~ \ \ -~~ ~ -' r, -~ l,/ f / / -' % f ~ / ~ ~ ~ ~'~ ~ /•°•°°~a~~ RIPARIAN BUFFERS(ZONE 1) ,. - -~~ \ \ \ ~ , `~ /'~ ~ ,'" / . ~ ~`'%C / °' °~J~`°~~° ' ' Q ®° ° \ ' ~.~~~. l '``x;,`"`355 /~ '~~,'° ,,r ,,, rj ~+ ~ ~'.'/ ~ ~+m: m.4~~~~~u'~~ml:~°++a77 ~~~~ ~ ~ b ~ ( / - m ~ m ~ ~~ ~ RIPARIAN BUFFERS ZONE 2 / `'v. -. ,.. ,/ ,~ ,- ,= / -;~~ ~ ~ f°, ~ ,j ~~ ~ mm~, ~ v;m~~a,.'at<--- ) _ z ~/ t ,. 0 ROPOSED ZONE 1 IMPACTS ~ ZONE -~ .~ v ~, % / ;;, m ~,'~ ,, ~ °• .~' ,l ~ ! ~ ~ ..,,. _ ,~ ,, / /'•~~r- : ~~• : ,.~ / ~.i' j / / ~ P.B. 129 PG. 207 ' • ' • • • • • PROPOSED ZONE 2 IMPACTS / I IPA`GT€R A -' ' ,~~ RETAIN~G -i~ `~ - ~/ ~ j ~/ jl ~ DELINEATED WETLANDS ~- ~ '/.;.~ + ~ -\ /~-~.~ / ~ -' ~' ~~ •.`• PROPOSED WETLAND IMPACTS ~ ~ `~' ~~ ~,-- ' 1 ~ \~l ~~~^ e~~ ~ ~ / s••• r i ( ..- • ~ ~ .~ / , r~, ~- . ; r (,ice,,- O •+ • • • • • r : ~ f~ / • • • • • a + a + ~ ~. ~ • • • i • f ~.. \ ''I / s + e a t • a • i.f4 ®a a a / ' ~k • ••••• • IMf'AC~`ED E -- 1 ~ . ,~: forme emo-e mem em•~ ~~••+sa aaa ~` ~ _ ~ mm$~~~ mm+~i'~' ~ ? m ^r b m/.:, r~ e 4 a 4 ~` &yat+ a a, ~ ! l.~,l •`"~ V ' y s~"~9 / ~,.. a~:• %+t•~ tie' ~ •~~' (f ~ ~~~ ~ ~ i ~~ / ~ 4{ '&k' a d m en a~~~ 1 r ~-.. '' r', 1 amp+~~em+~~~~,.r~ r ~1 ,~J~ ~, i _- 1. 1 a • a ~ s m r m 1r s ~p „ ~ a .~ . + -F /r. = _ _ -= ~ ._-- ..- m ~ • s~ a ~_ ~,.. \,~„ ""....'.7 "`~ 1 ~ °°••°•®~~®~' f ~ .^ 'fi,,%~ _~^ .r _.... '^^.- ~~ .-,.,,s.,-r .'/ ~'' '~- ,.' ~'~ dmaea ,-ism+m>~ ~~ -.... -^' ~,, r "'~ ~,,,,..._.. ,,. r \ ~ ..-. -... "'~ ~~ /~"f/ ~ ==' "_~-~'°'== ~"'° f-', // ~-- - ' - _ ~ ~_,<.~ ,;,- - A ~- f ~ ~°~,..- ~t~Qki~~.(r;~ENN ~-DRIVE ~ ~ ,...-- ,,.. ~°~~ .~-^"~ff ,_,,......~-~ ,.._~,,;~- -~.'% .-'''~ / f ~. '* ~eeam`as'r~-,-.~•~,'~""'z_ ~m~m =. ~, y s ~"'/ r / / fir'' \ - - ~ . / A ii r~ =- = ~ ,~ ~ %' -- ~v~t+ma~,~~mte~~ta~at~m~ a~~~+tm~~~m ~~~-~e ~~~: ~ --' - ° ',.-! GRAPHIC SCALE / fi tr.%~~ s -- ~4~mmeee+~ha~e~+®+e.~~ ~~~~_ e~...- f~R~~1, ~. ~,~/` i ""'' r / ~ f / ^"smmmo-r~-a w~~ aim at~a~~a~am~a~.~ r,/ .' r` °p .[~n-t / 7~~/p~ 160 - _. _.. r' .-' a i` ~ ~~ + e~ ~~.~ :.e a m a m r a/'. ,.-..-- r ~..- -J~L~I~s,~ ~N ~(I I r.~ \ 40 0 20 40 g0 / ~ qq~••~•p&•°~~;-••~/°° Vim,. `'' .~ -' `- .. ~ "'; .- ° ,~' ~ l ` \ `~ ~, (IN FEET ) ~ ,- ~ / ~ \ i inch = 40 ft. a=~ REVISIONS DAiE BY CONVERT WET DETEN110N BASINS a os o~ cr,1D WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. SHILOH CROSSING Kimley-Horn antl Associates, Inc. STREAM IMPACT N1 ~ ~ ~""' FIGURE X11 ®~oo•, ~° ,,. .-e e ,_,- .... eseea ~""`M~ e o e c v ... .'..e _ m - ~--- ~t~sE.y . ..._ v ;~ -.~ , ~ ~ i . ~ i i , ~.- ~ / ~ -_ _-~ ~ ~-~ __~ ~~ ~ ~, ``/~, ~~l r r i r' ~ ti~ .~ _ ~' ~ '~. -'STREAM BUfFER1MPACT ~ y~~ . ~~' ~. . ~F __ I ~ !' -' _'_~. °'I~IPACTED~ AREA -~ . ..'.~'. F ` 427 SF `~ ~' ~ ~ °--.L .. _ _• . ~~~ ~ ~ . ~` P °~°'°_ P@@ e ~ (0.010 AC.) ~ /- ~ °~~ ~ ,ate - ~ . . ~ O e ~ ~[ A '`4L sP~a.. ePPP 1.~ __ ...~ ............. .__._ ° ~a JYO ,e ` w. ~ ~ / ,a ~eP., ~~~~l ~ ~~~f ! I 1~ •~/. ~A -~ •~ ~'; ,` •~@•e ae$o j re~ ~.! ,~ a + '~' /' STRE~iM ~ I ' ~ . ~ ~ -` ~ •~ 1• ° ,\ .~ ~ ~ Pw aP< _ _ -. ~~, ad ~~ / FEATURE B! 3 . ~. ~-- t ~. _ _ •/ ~ /~ / ~, ~;~- ;,y / :-- -- -s - - _ 1' / l ~~ ~ ~'"~j~' ` ~ -~- ,~ '~ ~` •`-- - yam-' ~ -~ as 9~ P' d, ./' ' ~ ` _ '-~.~ \ . ' .~ ~ / ~%,.~ „~ \ 'ti• .` }c/y~ A ~`~. ~' ~ ~ ~q ppP d. 6b qOP¢Ap~9 . r,,. ,.,,~ T -.. -~ `_-1 \ f~/ / '~ ~,... ~ `+.• Pf Te 8^~P..e ~S P"'~'Y P P P P @PP @P Yi ~e ` •~.•`' ^'''~.... ~' ` ~/"i ~~ / ~.1` P Y ~6'gy$PPp6p'l~4 9 P A3 P~ @ O P 4 9 @~9q'tP~P4~ ~YdTq ! _ _ .I1~~~4.~~.a~l~.~ ti ~ f...'~'r~ iY4y~ ~~F }~1qA @At~g3 -5~? Pe4 A # ®AR P~ ~iP Jb ~ ( y ~ , ~~~444 4 ® ~'~5 Pb h~ ` ~ J ' ,~S~~P~f~. @ & a3 dd~54 ~~q.B 3*Ab S xa~ &v'V 2 ~ \ / / 4 od 4P6 M 6 P d Vy~~qq, °fY y 6 F n~~ 4@ i d P 6~ 5 L a 5 ea9P{@s PAP r~ +y ~P-+~,9PP ~^-- 0 m w t ®>s@ s..e5 u r c rt 3~ ~_ 1 ~ `\ ~m .~'..rC ~~aax4P 4iPe 1 ~? p b~b/Pg ,I.4 d ^~9 6 b~~„ ~ ~ @ a haw N @3Y~0 4~d^A,~ Sj \ ~ l ~ + •.`^k G f a p~, ~ } \ aeee ~ e< '~ ~ 1°e eo eeo ~s 9~ d"eeeeeae "`r~ ~ \ Z e 0 0 6 0 0 0 0 0 0 0 0 1 ~'~~ ~ \ \' ~,.+' a~~py OeO ~ 000000 00 j \ ~ ~ J \ee00e00110< ~ ~ ~ e~ / -- ~AM BUi:FFER~II~PAG~T-~'~ ~ ~ I ~ ~1~~ ~~ ~, ~ ~ ~ ~/ ZONE 1 l~ i ,~ I ~`1 ~ IMPACTED AREA ..- EXTENDED 7 SF .- ° ~YVETLl1ND C ~ I'~ M ~ -" - (0.00016 AC.) ~ r, --- ~ } 1i ~ ~,~ 1 l t o -- (PHASE 3j' ~ ~, . ~~: t~ ~1~11II ~ ~ STREAM FEATURE STARTS AT FLAG NBR3 LEGEND i' EXISTING CONTOURS /~\ 3SA / PROPOSED CONTOURS ~ ~ ~ DELINEATED STREAM *~~~ ' `~ PROPOSED STREAM IMPACT(CULVERT) ~~ RIPARIAN BUFFERS(ZONE 1) ~~~~~~~' ~ ~.~~~ RIPARIAN BUFFERS(ZONE 2) ~•~ PROPOSED ZONE 1 IMPACTS ,•.•,•.•,•,•,',• PROPOSED ZONE 2 IMPACTS 0 DELINEATED WETLANDS '.'• PROPOSED WETLAND IMPACTS P.B. 129 PG. 207 GRAPHIC SCALE 50 p 25 50 100 200 ( IN FEET ) 1 inch = 50 ft. =^ REVISIONS DATE BY CONVERT WET DETEN110N BASINS 4 09 07 CHID Kimley~Horn and Associates, Inc, ®~ WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. STREAM BUFFER IMPACT •1 SHILOH CROSSING ~ FIGURE X13 rioaTH c~o~u \/ ~. \ ~ ~ ,~~ -r-~~w~ ~r. / /// ,, ~ ~//r /~~~~~~~~ - ~ '' ~ '~~ 1~ ENDED ~~ 4 ~ / ,, ;,., ~ ~ \ \\ ` WE D A ~-- ~! ~ ~r~ '~, ''ter ,i,/,, j /// ~ /~~ ~\~.~\ z ~ \ 'f ~(~HASE 1~ • .~,. ,~'' / gNC~~E- 5~,)PICLWI~IF / ~~ ~, ` ` l \ - -- / r P~ VE~A~Il~I~ ~, ;. i ! ~• ~ f,_ ~ ~-~ ~~- ,, ~, // f ~ ~ ~ - , -.~"„--.. w. ~. .~~ ~- -~~REA~t BUFFER- -Y - _.~.. :-°' f 35-'. ~„~°°,~aa°:;m`'~==aa;~ AMP--A(;T~2 _ ~ ~'0-2"~~,C }~ - ° ---~! f - =` "`-3 .~~!~~;~ ~ x °'< _ _ ,..- -~flN€~ _ r.- --- -.._ _ T - ° a n .v~ v.-M i.~ .ti-{' ~ .~^'" x+x' ~ ~ ~,. °y''e x s S~~~f ~~x`" ~ ~ a / / / \ ~ / f 0:074 C- f ~ ~ --.~ ~---- ~ `~, _,~ -=~. x' x ° m ~ ~ a , m ~ ~ ''~ / ~ ~,r / .-- --' _ ~i - ~ r aim ~ ~ ~' ..--•-~'~~~ uu ti's, f `-.. / ~- ° ° '! - - ° n t ~m~ a s~° s • ;~ • k° Y' x'F'm / ~ "r+' \ 4 ~ .,-" ~ ''ti ~~ ~P x n^a~n aa°m~', aaaa^^• a°n ~/ yuxm I / .-r.~`"" \\l,\ \~ I ~ / `'.. ~'' -~ _ // ~~ y ./' ~. •~, \~,' / ~~~r ~ _'~~ ""i !/ Q/C_..--e`~ \ •°0 ~°°°a ono®ni t ~ a= ,\ ' ~ ~ I /~ ~~'~ ^'1'° ~-^ ~~ ~ •-r /, k '~ 4 d m W a ° ~q a e s . °'°"CJ ° •° ^ ,~ ~' . _. 1 ~l. i ( _... r.. ~y.~'~ ~.- - ~ ~ ~ _ _ ,. ..~- ~ ~ r -rt' _ _ _ . _ :. ,~^ ^ ^ n .'r ~ ~ _ _ -~ - ~. "-_> - `,,- - ! , ~ ~ ~~ i ON /-~`.,' ,~ ~ t - ~ ~.~. - . - - __,~ ~. ~. ~ { // /~ / F ~ ~. ~ ~ f ~r i f '.1- I'l aU!~ttvl`1~_.4 ~~ 50 ~-- / ~ ~ ~ ~ LEGEND ~~, r~3 Sq,~ ~N .~ . ~ ' R--~J ~~ ~ • ~ ........ ~ ~ ~ ~ 0 25 t ~R4 •" EXISTING CONTOURS PROPOSED CONTOURS DELINEATED STREAM PROPOSED STREAM IMPACT(CULVERT) RIPARIAN BUFFERS(ZONE 1) RIPARIAN BUFFERS(ZONE 2) PROPOSED ZONE 1 IMPACTS PROPOSED ZONE 2 IMPACTS DELINEATED WETLANDS PROPOSED WETLAND IMPACTS P.B. 129 PG. 207 GRAPHIC SCALE 50 ,oo (IN FEET ) 1 inch = 50 ft. 200 ~ =^ REVISIONS DAIS BY CONVERT WET DETENTION BASINS 4 09 07 CMD Kimley-Horn and Associates, Inc. ©~ WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. STREAM BUFFER IMPACT •2 AND •3 SHILOH CROSSING vu~rour;twue FIGURE X14 rioRm c~ouru ~- :~,'--%~~.~ STREA ACT # r©~ ~ ~ ~. ; ~~m~~ °~ ~~.a~ ¢~, P`~OP SE[~ . /~~~J ,~` ~ ~ 6 ~~.~~ !%rt ~~ =---~.ti~~~... `~~7 LF) ~. ~ ~\~ ~ , , . ~ ~ ° °t ~ RIR R~P/ ~ ~! ~ '~./I ~ ~ ,~ /r ;, / f ~~~~ ~~~~~. ~ / `- r~ `"`•.~ ~~ .~ > ~~. \'~`` . • ' . . vim., ` , `` ~ R { ° ~ ~ / 1 ~'' ' f ' / ~~ . ~/~ o ~~~~ \~~~ ,,. , , ~ ~., y,1~1 ~~~ a~ ,, ,r l ~. ,~~i ,~ i ~ ''~ ~ `°' ~ ~ ~ ~ ~ ~~~~ ~ °° °a ° f l ~ t,~ ~ ~f- F,1E~ ~ ~ ~ r .... ~-- ° ~ A n~ ~~~ a° ;_ s;~a r ``~ ~ c f, t a ~ ro / ___., ~.~-~°~ ~,~ ~ ~; 2 ~°°~~ P~~~~~ ~ Ott ~ ~ I ~. ~ ,~,~~ ~~' l 1~/ ~'~ b I i 4 it - r'"• l f' '.! ! f ~ J~~l t ~, -r~_"'""t°•~s;°s~°+~ ~`~'°°°~a ~'~a~~°a °a" ` ~ °°r~, ry .~ ! •a a1' '`..y~~r r r ~ °..- I tl ! 7/~ ~ a~aa~sz °~ms~~~a av`~ °~°~+ °~ . a a~~°$a°q ~~.i ~ r ~" • i~~h ! ~% J / f / ~ t • ~ ~ ~`" / ~ '~ ~~.3'' ~ \ ~`~ S_4 a°'o a°°~" ~ . «'~: J tr ~ %r / ~ ~~ 11 - ~. A ~ V ~~., °°°°° ~ ~~ g . ~,. , , / ~ -~. d EXTE DE©~ \ ~ I ~, ~ i ~ . ~ ~ ~t ~ ~ .~~ ~ 1 ~ ~ (RHA~E ~3) ~ \~~'~~~~' ~ ~~ ~ ~~ ~ ~ 1~ ~,•~ .~.~ .. 1;~1 ;,A"~ ~~ ~~ ~ ~ ~ ~ ~, ~.,~~~~~~~~ t~R IN GE . ~ ~~ ~ ~ ~ ~ l ~~( ~q~2~~gG`~~~'f~~~ti \ ~° `,~~ •1 !/~f~i/~Jr~/ ~~ RI RA ~t ~~ ~ ~ ~ v;~ ~~ ~, ~ ~~, ~ ~ ~~~ ':!~+ ~. ~ ; ,~ %~ XIS G ~ ~ ~ ~ ~ ' ~ '~~ V ~ ~~~~ ~ ~; ~ ~ '~~ ~'~~;~~ ~`~°~~~ ~ ~ `; ~ 1 RIP \\ \~ ~ \ ~ j ~ ` ~ \ ^Xf/\rY ayS ~r fr 1 ~/ \ r' ... ~`.~ --~- ~ ~ ~ , ~ ~ . ~ ~,t-, t . f, /, 1/. , LEGEND EXISTING CONTOURS rr'`~ 3S~y,../ PROPOSED CONTOURS DELINEATED STREAM ~~ PROPOSED STREAM IMPACT(CULVERT) ~~ RIPARIAN BUFFERS(ZONE 1) ~~ `_~_ RIPARIAN BUFFERS(ZONE 2) PROPOSED ZONE 1 IMPACTS .'.•,•.',•.•.*.• PROPOSED ZONE 2 IMPACTS DELINEATED WETLANDS '.•• PROPOSED WETLAND IMPACTS P.B. 129 PG. 207 /, 20 GRAPHIC SCALE ( IN FEET ) 1 inch = 40 ft. Aso ~ a=^ REVISIONS DATE BY CONVERT WET DETENTION BASINS 4/09/07 CMD KimleyHorn and Associates, Inc, ®~ WAL-MART STORES, INC./SHILOH MORRISVILLE, L.L.C. STREAM IMPACT •2 SHILOH CROSSING ~ FIGURE X12 ~TM c~ouru STREAM ~1 CULVERT CROSS SECTION HORIZ: 1 "=50' VERT: 1 "=5' ROPOSED FlNI ED CENTERLINE GRADE EXISTING GRADE ( ) 24" RCP CU VERTS TOP OF TREAM BANK 36' RCP CU T WITH FLARED WING ALLS APPROX. EAM INVERT BURIED BOTTOM MINIM M 2OX ~ .n o M ui M ~ M o M 32+00 33+00 34+00 STREAM #2 CULVERT CROSS SECTION HORIZ: 1"=50' VERT: 1 "=5' w 0_ 340 °a 0 o' w U 5 o! F- O PROP SEO ROAD AY PAVE ENT ~ z F ' N tat ~I 330 Z W EXISTING GRADE I i i ~ ~ 0 - • TOP OF 32 STREAM BANK BASE FL D `-- ELEVATION = 319.6 (FEMA MA APPROX. WATE 3720074 OOJ SURFACE 2® 8'X10' RCB ~ APPROX STRE M WITH FLARED . BOTTOM WING WALLS 1 ~„ '~ - :..v 310 MINIMUM 1' 2' CO RETE 1.00' SILL a ^ . ~ n ~ .~ ~ n ~ ~ M ~ N 0 49+00 50+00 51+00 ATTACHMENT 1 USACE Section 404 General Permit (SAW #2004-21479-292 U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action ]D. SAW-2004-21479-292 County: Wake USGS Quad: Cary 0 4 1 7 8 4 ~' a-- GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Property Owner /Authorized Agent: MBV, Investors, LLC .Address: 100 Weston Estates Parkway Cary, North Carolina 27513 Telephone No.: 919-481-3000 ' Size and location of property (water body, road nan~e/number, town, etc.): The protect site is located within the northwest quadrant of the future US 540 and NC S4 interchange near Morrisville/Durham, Wake County, North Carolina and is identified as Shiloh Crossing. Aquatic features on site drain to Stirrup Iron Creek in the Neuse River Basin. Description of projects area and activity: This permit verification allows for permanent impacts to 0.469-acre of forested wetland (of which 0.237 is riparian and 0.232 is non riparian), and 254 linear feet of stream channel . during the~construction of a commercial/retail center identified as Shiloh Crossiiia. Mitieation, will be required for the~impacts to streams and wetlands associated with this protect (see Permit Conditions below). Applicable Law: ® Section 404 (Clean Water Act, 33 USC 1344) ^ Section 10 (Rivers and Harbors Act, 33 USC 403} Authorization: Regional General Permit Number: Nationwide Permit Number: 39 Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached conditions and your submitted plans. Any violation of the attached conditions or deviation from your submitted plans may subject the permittee to a stop work order; a restoration order and/or appropriate legal action. This verification is valid until the NWP is modified, reissued, or revoked. All of the existing NWPs are scheduled to be modified, reissued, or revoked prior to March 18, 2007. It is incumbent upon you to remain informed of changes to the NWPs. We will issue a public notice when the NWPs aze reissued. Furthermore, if you commence or are under contract to commence this activity before the date that the relevant nationwide permit is modified or revoked, you will have twelve (12) months from the date of the modification or revocation of the NWP to complete the activity under the present terms and conditions of this nationwide permit. If, prior to the expiration date identified below, the nationwide permit authorization is reissued and/or modified, this verification will remain valid until the expiration date identified below, provided it complies with all new and/or modified terms and conditions. The District Engineer. may, at any time, exercise his discretionary authority to modify, suspend, or revoke a case specific activity's authorization under any NWP. Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You should contact the NC Division of Water Quality (telephone (919) 733-1786) to determine Section 401 requirements. For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA), prior to beginning work you must contact the N.C. Division of Coastal Management . This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State or local approvals/permits. If there are any questions regarding this verification, any of the conditions'of the Permit, or the Corps of Engineers regulatory program, please contact Monte Matthews. Permit Condition: In order to compensate for impacts to 0.237-acre of riparian wetland, 0.232-acre of non-riparian wetland, and Z541inear feet of warm water stream the permittee shall make payment to the North Carolina Ecosystem Enhancement Program (NC EEP) in the amount determined by the NC EEP, sufficient to perform the restoration of 0.237-acre of riparian wetland, 0.232-acre of nori-riparian wetland, and 50~ linear feet of warm water stream in the Neuse River Basin, Cataloging Unit 03020201: Construction within jurisdictional areas on the property shall begin only after the permittee has made full payment to the NC EEP and provided a copy of the payment documentation to the Corps, and the NC EEP has provided written confirmation to the Corps that it agrees to accept responsibility for the mitigation work required, in compliance with the MOU between the North Carolina Department of Environment and Natural Resources and the United States Army Corps of Engineers, Wilmington District, dated November 4, 1998. Page 1 of 2 -2- **Note; Habitat type maybe described as found in Schafale and Weakley, Classification of the Natural Communities of North Carolina, Third Approximation, 1990; or in accordance with Cowardin, et al (I974), Classification of Wetlands and Deepwater Habitats of the of the United States** Corps Regulatory Official: Monte Matthews ~ ..k. /~.~• ~~--....~ Expiration Date of Verification: March ~.8 2007 Date: Permit issued via statutory requirements on October 27, 2006. Page 2 of 2 SURVEY PLATS, FIELD SKETCH, WETLAND DELINEATION FORMS, PROJECT PLANS, ETC., MUST BE ATTACHED TO THE FILE COPY OF THIS FORM, IF REQUIRED OR AVAILABLE. Copy Furnished: Kimsey-Horn and Associates, Inc. Attn: Todd Tugwell PO Box 33068 Raleigh, North Carolina 27636-3068 WILMINGTON DISTRICT POST-CONSTRUCTION COMPLIANCE FORM Permit Number: SAW-2004-21479-292 Permit Type: NW39 Name of County: Wake Name of Permittee: MBV Investors Date of Issuance: Permit issued via statutory requirements on Ocotober 27, 2006 Project Manager: Monte Matthews Upon completion of the activity authorized by this permit and any mitigation required by the permit, sign this certification and return it to the following address: U.S. Army Corps of Engineers Attention: CESAW-RG-R 6508 FaIIs of the Neuse Road Suite 120 Raleigh, North Carolina 27615 Please note that your permitted activity is subject to a compliance inspection by an U.S. Army Corps of Engineers representative. If you fail to comply with this permit you are subject to permit suspension, modification, or revocation. I hereby certify that the work authorized by the above referenced permit has been completed in accordance with the terms and conditions of the said permit, and required mitigation was completed in accordance with the permit conditions. Signature of Permittee Date O&M Agreements and Photographs for Extended Detention Wetlands and Level Spreaders Da ~ 764 V2- TTROt~]CMAN~ SANDERS LLP A T T O R N E Y S A T L A W A LINIT ED CIA OILITY PA RTN£R SNIP 43d FAYETTEVILLE STREET TWO HANNOVER SQUARE SUITE 110D RALEIGN. NORTH CAROLINA 27601 www. trnutms naa n0 era. Co m TELEPHONE: 819-212-d 100 FACSIMILE: 919-212-4101 MAILfNG ADDRESS P. 0. DRAWER 1398 RALEIGH, NORTH CRRDLINA 27602 Donald T. OTooie dorrald.otode~Vouhnansa ndels.can February 5, 2007 VIA ELECTRONIC DELIVERY James A. Cole, Esquire Wal-Mart Stores East, LP 2001 SE 10th Street Bentonville, AR 72716-0550 Direct Dial: 81&2i2~121 Din3et Fax 919-8298717 Letter of Recommendation Re: Wetland A-Operation and Maintenance Agreement Morrisville, NC -Store # 4250»00 Dear Jim: With reference to the above property, this letter is intended to serve as confirmation by Tmutrnan Sanders LLP regarding the acceptability of executing the above referenced agreement: 1. Operation and Maintenance Agreement (the "Agreement': Provided the outside engineers (Kimley Horn} and Wal-Mart Stores East, LP ("Wal-Mart") are comfortable with the maintenance items addressed in the Agreement, then the Agreement appears to be acceptable. It is our understanding from speaking with Kimley Horn that the Agrement must be executed by J. Chris Callaway as part of the Division of Water Quality's approval of the storm water detention pond. Please review the documents referenced above and call with any questions or comments you may have. Sincerely, TROUTMAN SANDERS LLP Donald T. O'Toale P-TLANTA • F"IONG KONG • i...QNI7ON • NEWARK • NEw Y'QRK • NORFQLK • RALEIGH RICHMOND TYSONS CQRNER VIRGINIA BEACH WASHINGTON, D.G. WETLAND A -OPERATION AND MAINTENANCE AGREEMENT The wetland system is defined as the marsh areas and pretreatment including forebays and mirco-pool. Maintenance activities shall be performed as follows: 1. After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the discharge pipe from the basin annually to maintain proper functioning. 4. Remove accumulated sediment from the wetland system when the depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks. When the permanent pool depth reads 351.75 feet in the forebay and micro-pool, the sediment shall be removed. WETLAND A DIAGRAM (fill in the blanks) Permanent Pool Elevation: 354.00 Sediment Re~oval Elev: 351.75 ~ /75% Bottom levation: 351.00 j 125% FOREBAY Sediment Removal Elev: 351.75 ~75% $ottom elevation: 351.06 ~ ~5°Io , MICRO POOL Page 1 of 2 5. Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the wetland must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland system shall be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be inspected annually. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the eight maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: J Chris Callaway Title: Assistant Vice President G,A~-Mnar S'ro~ES EAST' ~P Address: 2001 SE 10th Street Bentonville, AR 72716 Apr le t s only Phone: X479) 273-4000 by WAL-M LEGAL DEPT. Date: Signature: ~-~` ~~~~~ Date: 7 Note: The legally responsible party should not be a homeowners association unless more than 50% of lots have been sold and a resident of the subdivision has been named president. a Notary Public for the State of do hereby certify that J • C 6' IS ~~ u ~ w personally appeared before me this ~ day of ~~~.r~» , ~, and acknowledge the due execution of the forgoing wetland maintenance requirements. Witness my hand and official seal, )TARY PUBLIC-STATE OFARKANSAS BENTON COUNTY My Commission Expires 10-19-2016 SEAL My commission expires ~~ ~ ~q~I(D Page 2 of 2 WETLAND B -OPERATION AND MAINTENANCE AGREEMENT The wetland system is defined as the marsh areas and pretreatment including forebays and mirco-pool. Maintenance activities shall be performed as follows: After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland system for sediment accumulation, .erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wetland system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks. When the permanent pool depth reads 353.75 feet in the forebay and micro-pool, the sediment shall be removed. WETLAND B DIAGRAM (fill in the blanks) p Permanent Pool Elevation: 356.00 Sediment Re oval Elev: 353.75 75% Sediment Removal Elev: 353.75 t75% Bottom Elevation: 353 FOREBAY 225% ~oftom Elevation: 353.00 25% MICRO POOL Page 1 of 2 5. Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the wetland must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland system shalt be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: James Angeloni Title: Address: Phone: Signature: Date: Note: The legally responsible party should not be a homeowners association unless more than 50% of lots have been sold and a resident of the subdivision has been named president. I, (11 t ~µ~~~C ~ ~¢ r-r~.21~~ s ~c~ , a Notary Public for the State of /1/ecJ c~~2Sc,/ ,County of Gun~~s~ti~.>v~ , do hereby certify that ~Qr~~ ns ~ ~C ~=c ~N~~ personally appeared before me this ~~~day of ~e~,zv.4-~,~ , ~, and acknowledge the due execution of the forgoing wetland maintenance requirements. Witness my hand and official seal, MICHELLE A GEORGESCU NOfary PubtiC Efate of New Jerasy My Commiaaton Explrsa Dec S, 2011 SEAL My commission expires~ec~r~~rn~-,~=FL. ~; aO1 t Page 2 of 2 President WETLAND C -OPERATION AND MAINTENANCE AGREEMENT The wetland system is defined as the marsh areas and pretreatment including forebays and mirco-pool. Maintenance activities shall be performed as follows: After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wetland system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland or stream,. etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks. When the permanent pool depth reads 350.75 feet in the forebay and micro-pool, the sediment shall be removed. WETLAND C DIAGRAM (fill in the blanks) Permanent Pool Elevation: 353.00 Sediment Re oval Elev_350.75 I 75% Bottom Ievation: 350.00 2 25% FOREBAY Sediment Removal Elev: 350.75 ~75% Bottom Elevation: 350.00 ~ 25% , MICRO POOL Page 1 of 2 5. Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the wetland must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland system shall be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: James Angeloni Title: President Address: 771 Cuthbert Boulevard, Suite 204, Cherry Hill, NJ 08002 Phone: Signature: Date: Note: The legally responsible party should not be a homeowners association unless more than 50% of lots have been sold and a resident of the subdivision has been named president. I, /l9i .i~~= ~ = A l ~o~ SGU , a Notary Public for the State of /U~ ~c~cc~ " ,County of ~~r~,~-,~;=r~,v~~ , do hereby certify that )A YY~ ~~ /-~ ~- r_ =t_o~, r personally appeared before me this ~~day of ~i-3~~ , ~~~, and acknowledge the due execution of the forgoing wetland maintenance requirements. Witness my hand and official seal, MICHELLE A GEORGESCU Notary Public State of New Jersey My Commission Expires Dec S, 2011 SEAL My commission expires ~~'~nc±,e~n~~~-,,~. h, ;3~j~i Page 2 of 2 WETLAND D -OPERATION AND MAINTENANCE AGREEMENT The wetland system is defined as the marsh areas and pretreatment including forebays and mirco-pool. Maintenance activities shall be performed as follows: After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wetland system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks. When the permanent pool depth reads 342.75 feet in the forebay and micro-pool, the sediment shall be removed. WETLAND D DIAGRAM (fill in the blanks) Permanent Pool Elevation: 345.00 Sediment Re~oval Elev: 342.75 ~ /75% Bottom tevation:342.00 I25% Sediment Removal Elev: 342.75 ~75% Bottom Elevation: 342.00 ~ 25% , FOREBAY MICRO POOL Page 1 of 2 5. Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the wetland must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland system shall be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: James Angeloni Title: President Address: 771 Cuthbert Boulevard, Suite 204, Cherry Hill, NJ 08002 Phone: Signature: Date: Note: The lega'~y responsible party should not be a homeowners association unless more than 50% of lots have been sold and a resident of the subdivision has been named president. I, r,~~~zN~~~ C ~1 rLr~2i r=scw , a Notary Public for the State of N~ u~ ~i~SL v ,County of Cc,,,,~~2~_ R,~,_~ , do hereby certify that ~A~rn ~~ ,~ ~«..r c ,,,v, personally appeared before me this ~~day of ~i=~~zuaz~~ , ~, and acknowledge the due execution of the forgoing wetland maintenance requirements. Witness my hand and official seal, MICMELtE A GEOR6ESCU Notary trubllC State of New Jersey My Commisaton Explrei Dec S, ZOl l SEAL My commission expires ~~"C.F;7~13GsVL 5~ o`~i~ Page 2 of 2 WETLAND E -OPERATION AND MAINTENANCE AGREEMENT The wetland system is defined as the marsh areas and pretreatment including forebays and mirco-pool. Maintenance activities shall be performed as follows: After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wetland system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks. When the permanent pool depth reads 322.75 feet in the forebay and micro-pool, the sediment shall be removed. WETLAND E DIAGRAM (fill in the blanks) p Permanent Pool Elevation: 325.00 Sediment Re oval Elev: 322.75 75% Sediment Removal Elev: 322.75 t75% ----------------- Bottom levation: 322.00 225% ----Bottom Elevation: 322.00 25% FOREBAY MICRO POOL Page 1 of 2 5. Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the wetland must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland system shall be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: James Angeloni Title: President Address: 771 Cuthbert B Phone: Signs Date: Note: The egall responsible party should not be a homeowners association unless more than 50% o shave been sold and a resident of the subdivision has been named president. I, Y`~ 1 ~H r-sic- /~ G~y,CGcs cw , a Notary Public for the State of /VEu~ J r-,2scv ,County of (',~,,,,~~,zzi~~,L~ , do hereby certify that ~a ~, r~ /-~ N c~ ow ~ personally appeared before me this ~'~day of FF-~.e~~2v , ~GY~7 ,and acknowledge the due execution of the forgoing wetland maintenance requirements. Witness my hand and official seal, ~_~.;~ MICHELLE A GEORGESCU Notory Public Stole of New Jersey My Commfsslon Expires Dec 5, 2011 SEAL My commission expires \~ ~ ~~ ~ ,2 U ~ ~ ~U4~1 Page 2 of 2 l ~ LEVEL SPREADER SYSTEM OPERATION AND MAINTENANCE AGREEMENT (1/2007) A level spreader system includes: a forebay, diverter box, level spreader, riparian buffer/vegetated filter strip, and flow bypass channel. Name of Project: Shiloh Crossing Shopping Center Address: NC Highway 54 and Surles Court Maintenance activities shall be performed as follows: MAINTENANCE ACTIVITY FREQUENCY Post-construction monitoring-inspect for vegetation, Check after every heavy rainfall for first 6 months settlin ,erosion, or concentrated flow. followin construction. Inspect Diverter Box and clean and/or make repairs. Once a month and after heavy rainfalls/storms. Look for: • Clogged inlet or outlet pipes. • -Trash/debris in the box. Inspect Forebay + Level Spreader. Clean and/or Once a month and after heavy rainfalls/storms. make repairs. Look for: • Sediment in forebay and along level spreader lip; • Trash and/or leaf buildup. • Scour, undercutting of level spreader. • Settlement of level spreader structure (no longer level; you see silt downhill below level spreader). • Fallen trees on level spreader. • #57 stone washin downhill. Inspect the Riparian Buffer and the Bypass Swale and Once a month and after heavy rainfalls/storms. make repairs as needed'. Look for: • Damaged turf reinforcement or riprap rolling downhill. • Erosion within the buffer or swale. • Concentrated flows downhill of level s reader-look for ullies or sediment flows. Mow grass to a 6" height. As needed during growing season. Remove any weeds/shrubs growing on level spreader Once a year. or in swale. 1 NOTE: Contact NC Division of Water Quality, 401/Wetlands Unit at 919-733-1786 BEFORE any work in Protected Riparian Buffers. Page 1 of 2 LEVEL LOCATION ON SITE (DESCRIBE) HOW WILL IT BE ACCESSED? SPREADER NO. 1 South of Sam's Club Parking lot, on the south Off the southern bank of Shiloh Glenn side of Shiloh Glenn Drive. Drive. 2 Southwest of Extended Wetland A Extended Wetland A maintenance easement from Shiloh Glenn Drive. 3 Southeast of Extended Wetland A CP & L utility line easement off Shiloh Glenn Drive. 4 Northeast of Extended Wetland E Extended Wetland E maintenance easement from Shiloh Glenn Drive. 5 6 I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: James Angeloni Title: President Address: 771 C Phone: Signature: /L Date: ~/~! Note: ~ legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. I, Jl~ t G N r ~~ C ,~ ~-c'o~ZG-~S r~ , a Notary Public for the State of _NC"uJ S~ dzsc>~ County of ~u~.~,~2~.~}N~ , do hereby certify that 3~~~es ~N G-c-~oN personally appeared before me this j I ~~ day of ~1,A-~/ . 02.0-~7 , ,and acknowledge the due execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and official seal, SEAL My commission expires L~e~e.rn~3~2 s~aoil Page 2 of 2 Project: Shiloh Crossings, Morrisville, NC prepared by: WJB _ Client: Walmart Stores Inc. and Job Number: 012511010 -- Shiloh Morrisville, LLC Kimley-Horn and Associates, Inc. Page 1 of 4 Project: Shiloh Crossings, Morrisville, NC Prepared by: WJB ~ ~ Client: Walnzart Stores Inc. and Job Number: 012511010 ' - - Shiloh Mon~isville, LLC Kimley-Horn and Associates, Inc. Page 3 of 4 View to creek from location of Level Spreader #2. Forested Vegetated Buffer. View to creek from location of Level Spreader #1. Forested Vegetated Buffer. Project: Shiloh Crossings, Mon7sville, NC prepared by: WJB ® ~ Client: Wahnart Stores Inc. and Job Number: 012511010 ' Shiloh Mon-isville, LLC Kimley-Horn and Associates, Inc. Page 2 of 4 project: Shiloh Crossings, Morrisville, NC prepared by• WJB Client: Walmart Stores Inc. and Job Number: 012511010 Shiloh Morrisville, LLC Kimley-Horn and Associates, inc. Page 4 of 4 ~ Shot further back toward Creek for Level Spreader #1. ~ ATTACHMENT 2 Revised Pre &Post-Development Drainage Exhibits and Revised DWQ - 401 Design Summary Worksheets for Extended Detention Wetlands and Level Spreaders 0, M w a F Z ol W Z Z W ¢QLL mapw m F- � N Q > Q Z= Q J Z ci W W w Q§� LL O Q W O 0 Z1w W, aoo pz z LL�a �aa6 ¢mow °z� W OOO ILQ� �w� �z (� p H W o c� F05 K 2-<2 w0 aZWwU mOU OU z a Q W W d F 8 0 - W W Z W O wwwa r=<LL�W wQ~ �J O u�Z2 2mp Jd F-�O U> W • W W 6w Q a ' U w Z Z wm O2wU mzW H2 U OW Za co W QwZ p�QI=-O 6H? aWX Ypp Q�OZj ¢=a ¢§w Z F - w IL ado RwOo� ¢Ww 22ZL O �'?dC ?M063. OQy pja Q a¢O 0�7F-ZU QZuI wOa w aZz nmOww wFa OOOZ �0Z m ¢ �0=a wWrrna 0w' wU¢ ♦ W � m N w Z O Q W 0 C W f a aw¢W w2Uw¢ uJ>W W�a Z W- W= w Z F Z >0, a 9 Z v> qw 00>� LLri0Wg WaU 209 \\\\ CI O ZaQ 0 <00 a�W EL Z r N th C N W-0111% Wim 1�S Z 0 ZU 0CC 0 o 0 zo = LLF 0 —! 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J 2 cc0 LU J CC 0 Z J <W J } 0� G� wo I 0 N J = Lu N w Z X a aw M, 11 1 Q =^a F Z F¢Y p 0 N ^ ~~ ~ o v~iwa wz ,. ,~ , Z ZOO ^m ,r \ .~ ~ a ~ /j• `~ \ .mom ^ ~~O ww= ~N iJ~ ~~.a `~ \~~ ~'~, ~ moo a~~ ~ y~ ,. ,. • ¢ No>~ LLJ o / ~ ~i1~j t ~'^ °a./ w ~mNw Few r '~ Si ~~ ~~\ q l~t}I l i l t !~ ~ v ~~ z w~wx a~? ,,,, ~ \ ~ o ,} ~ S 1 ti it i ~ ~ ~,. ~`, \\ ~ ^~ ~, ~ ~ ~ ~ O a ° a a = o \ \ ~ d \ \ to ~,o ~ `~ e I \ ~ U ~ \' \j W 1 'l i ~,~~/ J , ~~ ~ \ \\ ate`--.. ~ ~_ ea `t ~ .~ ~o~a 1\\ V I '\ I -.~ 1\• ~' ~ ~ l fl ~`-..~ \M. azN~„~`'1 ~\y~ tihe ~ J J ~ t ~°~+N } ~~ /~~ ~ 1 J?< I I.,•~ \~ \ 1 ... `..tooww `~~ ~~"' ..r W m CAE _ ~~~ 1 1• ~ '' a ~`~ ~'., ~ -° \ ~ ~ t ,, ~ r4 '~ ~ ~ U F ~ , i ~ ,,, A ~ V ~ A ~~ • a a ~~ i ~ / ! 1 / ~ ~. vI t i ~~ \ v 1 1 ~ 6 ____ ~~ i f !~! ~. \ ~~ ~~ ~ E t U t t _ 1V~1 ~~ 1 ~ v t tt ~ ~ ~ ~ '_ ~~ `` ~ ;~ \ 1 14~ r ~A1 r '`"`~ ~ j' a l~ E ~EEI#E ~ V Q a y~l i l ~'~ ~ .~~ FI } ~ ~ .~ ~ ~ ~ \~ .~ jE~El tE ~ ~ ~ ~ ^g ~ '. 1 ~ - I ti ~ b 8 ~ s ~ ~ ~__ i j 1 ~ ~ ~ v v ~ l `., tEtt~ ~ CC$ ~ l ~ ~ J J ~' ~ t ~ A A \ lJJ{ ~~ t ~ «\ ~ a q, } r f/ ~ jl, A \w \ t I i ~ ~ wo ~/ /y N ~r- ~ I ~:, e_ ~ 1 ~ ~ '` lEF ! ~ c Y ~'~o t it I rh,! ~ ~~~ { ~ ; ,~ s ~ ~ } ~' "~ °~ -' ~ ti _ . ~ III! /~ ~,:, ~ \ i ~ i z 1 1~ ~ ~F ~r .~ _~ E ~ r~~. ti iii ;~ 1 t +~ ." r 1t .- ....~ ~, r...-- "~, ~. ~ °~~ w..,/ ~ ~ ~ \~~ }}~ 1 it \~V ~ 'e~ Od.' ~ 7 ~/ 1 c i ~i ~1 -~ ter' _..PE •~ ~° }~ f .~ ~~ 1 ~ ` '~~ ~ ~ .Gr a } ~ ~ «a' ~~ y,.• i iu ~~ I l a .l ``~ ~ ~ .,~ ""• x k ,' ~ t ~ ! a s ,r S a _ + I C ~ - ~ ~ 6 ./' i ~ 1 g ,~ t '~ ~,r~ ~~ ~,' ~ ~> r~„ I ~y .~} fi ~~ ~~ ~~r„ ti ~ . ,.' ,r \ I # .~ \ err ~ \` ( ~fi 'tom ~ 1 ~ ~ .•'~ ~'w. ~ g ts~' ~~ ~~~ ~e \~. .-'~~ ~ ~ Ali r ~ ~' ~~~ ~gS DWQ Project DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET*) WETLAND WORKSHEET 04 1 764 Va` I. PROJECT INFORMATION (please complete the following information): Project Name: SFluott Caossi~~ SF}oPp~.~4 ~c-r,,-ce~tz Contact Person: Jwsa,-~ Key Ep Phone Number: (glq) (,53 - Zq 4S' For projects with multiple basins, specify which basin t is worksheet applies to: Ex~e,~oEr~ ~nw,~o A Permanent Pool Elevation Temporary Pool Elevation 35~-.0o ft. 3s5.e8 ft. (elevation of the orifice invert out) (elevation of the outlet structure invert in) Permanent Poot Surface Area Drainage Area Impervious Area Forebay Surface Area Marsh 0"-9" Surface Area Marsh 9"-18" Surface Area Micro Pool Surface Area Temporary Pool Volume SA/DA used Diameter of Orifice II. REQUIRED ITEMS CHECKLIST s~9 sq. u1.3s ac. ~,y~ ac. N?.o9°~ sq. 27,9~FS sq. 2te,oog sq. /l,Soo sq. ft. (water surface area at permanent pool elevation) (on-site and off-site drainage to the basin) (on-site and off-site drainage to the basin) ft. (at permanent pool elevation approximately 15%)* ft. (at permanent pool elevation approximately 35%)* ft. (at permanent pool elevation approximately 35%)* ft. (at permanent pool elevation approximately 15%)* lZ~, soo cu. ft. 3.54 y.o in. (volume detained on top of the permanent pool) (surface area to drainage area ratio)* (draw down orifice diameter) Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications shoving all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project Applicants Initials ...1P1C The temporary pool controls runoff from the 1 inch rain. 1 PK The basin side slopes are no steeper than 3:1. JPK A planting plan for the marsh areas with plant species and densities is provided. J?K Vegetation above the permanent pool elevation is specified. JPK An emergency drain is provided to drain the basin. J PI< The temporary pool draws down in 2 to 5 days. JPK Sediment storage is provided in the permanent pool. JPK A sediment disposal area is provided. JPK Access is provided for maintenance. A site specific, signed and notarized operation and maintenance agreement is provided. 1PK The drainage area (including any offsite area) is delineated on a site plan. _1 P~ Access is provided for maintenance. JPK Plan details for the wetland are provided. Plan details for the inlet and outlet are provided. A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see http:/Ih2o.ehnr.state.nc.us/ncwetlands/oandm.doc). * Pocket Wetlands have different design parameters and are only assumed to remove 35% TSS - See pp. 19 and 20 of the NC DENR Stormwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% low marsh. WETLAND DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT SHILOH CROSSING SHOPPING CENTER, MORRISVILLE/DURHAM, NC -EXTENDED WETLAND-A The wetland detention basin system is defined as the wetland detention basin, pretreatment including forebays and the vegetated filter if one is provided. Maintenance activities shall be performed as follows for Extended Wetland-A. After every significant runoff producing rainfall event and at least monthly: a. Inspect the wetland detention basin system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wetland detention basin system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wetland detention basin or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. If the elevation of the marsh areas exceed the permanent pool elevation, the sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations. Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled for more than two weeks.] When the permanent pool depth reads 2.25 feet in the forebay and micro-pool, the sediment shall be removed. BASIN DIAGRAM Permanent Pool Elevation 354.00 Sediment Removal E1.353.251 7 --------------i-- Sediment Removal Elevation 353.25 75% -------------------------------------------- Bottom E vation 351.00 5% ~ FOREBAY MAIN POND 5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These plants shall be encouraged to grow along the vegetated shelf and forebay berm. Page 1 of 2 Wetland planting densities in the marsh areas should be maintained by replanting bare areas as needed. Wetland plants should be encouraged to grow in the marsh areas. 6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wetland detention basin system shall be maintained in good working order. 8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All accumulated sediment and debris shall be removed from the structure, and a level elevation shall be maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or replanted as necessary. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: Title: Address: Phone: Signature:_ Date: Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. a Notary Public for the State of , County of , do hereby certify that personally appeared before me this day of ,and acknowledge the due execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and official seal, SEAL My commission expires Page 2 of 2 DWQ Project DIVISION OF WATER QUALITY -401 EXTENDED DETENTION (and POCKET) WETLAND WORKSHEET I. PROJECT INFORMATION (I ase complete the following information): Project Name : 5~~ 1 ~ ~, ~~ %;~ ti Sl e~ ~, s (,~,, f pl Contact Person: T sb~ Kennedy one Number. til5 ~s3- ZtiY~ For projects with multiple basins, speci fy which basin this worksheet applies to: [n -t' c,~~ fl Permanent Pool Elevation 3~~}•0~ ft. (elevation of the orifice invert out) Temporary Pool Elevation ~,~ ~O ft. (elevation of the outlet structure invert in) Permanent Pool Surface Area l`~, 5e~/ sq. ft. (water surface area at permanent pool elevation) Drainage Area y/, f 9 ac. (on-site and off-site drainage to the basin) .Impervious Area 3.s,a~ ac. (on-site and off-site drainage to the basin) Forebay Surface Area f~ sq. ft. (at permanent pool elevation approximately 15%)' Marsh 0"-9" Surface Area f~~ sq. ft. (at permanent pool elevation approximately 35%)' Marsh 9"-18" Surface Area t(~~ sq. ft. (at permanent pool elevation approximately 35%)* Micro Pool Surface Area ttid sq. ft. (at permanent pool elevation approximately 15%)` Temporary Pool Volume ~~Z 3 , rd ~! k cu. ft. (volume detained on top of the permanent pool) SAIDA-used 3 /~ (surface area to drainage area ratio)* Diameter of Orifice ~ O in. (draw down orifice diameter) II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a . requiremenf.has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet stricture details, a detailed drainage plan and a fully executed operation and maintenance agreemen#. An incomplete. submittal package will result in a request for additional information. and will substantially delay final review and approval of the project Applicants Initials ~p ~ The temporary pool controls runoff from the 1 inch rain. _~P~L The basin side slopes are no steeper than 3:1. ~r6 ~ A planting plan for the marsh areas with plant species and densities is provided. -rt3 D Vegetation above the permanent pool elevation is specified. T6 p An emergency drain is provided to drain the basin. .~PK The temporary pool draws down in 2 to 5 days. T3 ~ Sediment storage is provided in the permanent pool. -~ P K A sediment disposal area is provided. ~ Pu- Access is provided for maintenance. TB~ A site specific, signed and notarized operation and maintenance agreement is provided. J~K The drainage area (including any offsite area) is delineated on a site plan. JPVC Access is provided for maintenance. JPK Plan details for the wetland are provided. -rt3p Plan details forthe inlet and outlet are provided. ~-t6p A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see http:/lh2o.ehnr.state.nc.us/ncwetlands/oandm.doc). Pocket Wetlands have different design parameters and are-only assumed to remove 35% TSS - See pp.19and 20 of the NC DENR Stormwater BMP Manual, April 1999.10% open water, 50~° high marsh, 40% low marsh. ~ /~ Kimley-Horn ~ _......... and Associates, inc. STORMWATER EXTENDED WETLAND A Project Information Project Name: Shi loh Crossings Shopping Center KHA Project #: 012511010 Designed by: RTL Date: 7/8/2005 Revised by: RTL Date: 9/6/2005 Revised by: RTL Date: 10/10/2005 Revised by: RTL Date: 3/7/2006 Revised by: JGM Dale: 12!182006 Revised by: JPK Dale: 2/192007 Checked by: CMD Date: Design Resource: NCDENR - Stormwater Best Management Practices (April 1999) NCDENR -Updated Orafl Manual of Stormwater Best Management Practices (July 2005) Site Information Sub Area Location: ONSITE A Drainage Area (DA) = 42.35 Acres Impervious Area (IA) = 36.47 Acres Percent Impervious (I) = 86.1 Required Surface Area Permanent Pool Depth: 3 tt $A/DA = 3.59 (85 % TSS Removal via Pond) Min Req'd Surface Area = 66,227 sf (at Permanent Pool) Required Storage Volume (Water Quality): Design Stonn = 1 inch Determine Rv Value = 0.05 + .009 (I) = 0.83 in(n Storage Volume Required = 126,834 cT (above Permanent Pool) Required Forbay Sizing Required Volume = 20.00 % of Permenant Pool Permanent Pool Volume = 208,501 ds (assumes a 3' deep pertnenant pool) Required Forbay Volume = 41,700 Drianage area to Forebay-1 21.54 Acres Portion of Total drianage area to Forebay-1 50.86 Projected Volume of Forebay-1 21,209 d Drainage area to Forebay-2 20.81 Acres Portion of Total drianage area to Forebay-1 49.14 Projected Volume of Forebay-1 20,491 d Total projected Forebay Volume 41,700 Ext. Wetland Surface Area Requirements: d Depth of Penn. Pool Zone ID 0.16" Marsh 0"-9" Low Marsh 9"-18" High Marsh 18-36" Outlet Pool Surface Area % of Approx. Surface Permenant Pool Area (sf ) 70.00% 46,359 35.00% 23,179 35.00% 23,179 15.00% 9,934 Summary of Proposed Ext. Wetland Bottom of Pond Elevation = 351.00 tt Permanent Pool Elevation = 354.00 ft Temporary Pool Elevation = 355.66 tt Top of Pond Elevation = 360.00 tt Permanent Pool Surface Area = 72,519 st Temporary Pool (water quality storage) = 127,800 d Area @ Top of Temporary Pool = 77,924 sf Side Slopes of Pond = 3 : 1 Volume of Forebay-1 20,273 cf Volume of Forebay-2 21,826 d Surface Area ratios: (Elev = 354 ) (Required Volume = 126834.015 ) (Elev = 355.68 ) De th of Perm- Pool Zone ID Surface Area % of Permenant Pool Approx. Surface Area sf Elevation Range 0-18" Marsh 74.40% 53,953 352.5'-354.00' 0"-9" Hi h Marsh 38.53% 27,945 353.25'-354.00' 9"-18" Low Marsh 35.86% 26,008 352.5'-353.25' 18-36" Outlet Pool 15.86% 11,500 351.00'-353.25 Orifice Sizing Oz oy.= 0.734 cfs Osom' 0.294 cfs Orifice Size = 4.00 in 0~,= 0.517 cfs Drawdown Time = 2.8 days less than 5 days (yes/no) ? Yes greater than 2 days (yes/no) ? Yes Anti-Flotation Device Riser Width = Riser Length = Top Riser Elev. _ Bottom Riser Elev. _ Height of Riser = Area of Riser = Volume of Riser = Factor of Safety = Weight = Weight Req'd from Anti-Flotation Device = 'Weight of Riser = Additional Volume of Concrete Req'd = Extend Riser= (Flow rate required fora 2 day drawdown) (Flow rate required fora 5 day drawdown) (Diameter) 6 h 358.50 351.00 fl 7.50 fl 36.0 sf (Water Displaced) 270.0 cl(Water Displaced) 1.3 16848.0 Ibs 21902.4 Ibs 4106.3 Ibs (Volume Riser Wall' Buoyant WI.) 203.2 cf (Buoyant WI Concrete = (150-62.4) pcf) 4.5 h Volume of Riser Extension = 162.0 cf (Extend Riser Box 6' 3" below invert) Volume of Anti-flotation 7'x7' Concrete Slab = 49.0 Volume Provided = 211.0 Is the Anti-Flotation Device Sufficient (yes/no)? Yes 211.0 > 203.2 'Assume 6' dser wall thickness with buoyant weight of concrete = (150-62.4) pcf DWQ Project DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET") WETLAND WORKSHEET I. PROJECT INFORMATION lease complete the following information]: Project Name: ;~~~In L~SSi~s 5~~;~,, ~,~er Contact Person: Tye,,, K~.,N ec/4 ''Phone Number: (~15) 6{-.- - 7 ~'1 For projects with multiple basins, specify which basin this worksheet applies to: W~/'/z.,d ~ Permanent Pool Elevation 356. ~ ft. (elevation of the orifice invert out) Temporary Pool Elevation 3~"7. yy ft. (elevation of the outlet structure invert in) Permanent Pool Surface Area /d~~ 3B sq. ft. (water surface area at permanent pool elevation) Drainage Area 6.65 ac. (on-site and off-site drainage to the basin) Impervious Area ~/, 3S3 ac. (on-site and off-site drainage to the basin) Forebay Surface Area f6d' sq. ft. (at permanent pool elevation approximately 15%)' Marsh 0"-9" Surface Area f-~d sq. ft. (at permanent pool elevation approximately 35%)* Marsh 9"-18" Surface Area t6c1 sq, ft. (at permanent pool elevation approximately 35%)' .Micro Pool Surface Area ~ d sq. ft. (at permanent pool elevation approximately 15%)' Temporary Pool Volume ~S15/E cu. ft. (volume detained on top of the permanent pool) SAIDA used Z.6 ~ (surface area to drainage area ratio)* Diameter of Orifice Z • ~ in. (draw down orifice diameter) II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate. the following design requirements have been met and supporting documentation is attached. If a requirement.hasnot beerrmet, attach an explanation of why. At a minimum, a complete stonnwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan;and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project Applicants Initials ~ pK The temporary-pool controls runoff from the 1 inch rain. J PK The basin side slopes are no steeper than. 3:1. t~ r~ A planting plan for the marsh areas with plant species and densities is provided. tt3+~ Vegetation above the permanent pool elevation is specified. Tl3P An emergency drain is provided to drain the basin. _~ PK The temporary pool draws down in 2 to 5 days. T4D Sediment storage is provided in the permanent pool. JPrl A sediment disposal area is provided. ,'~ Access is provided for maintenance. P A site specific, signed and notarized operation and maintenance agreement is provided. ~ K The drainage area (including any offsite area) is delineated on a site plan. SPX Access is provided for maintenance. . )~K Plan details for the wetland are provided. -n31~ Plan details for the inlet and outlet are provided. ~3t~ A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see http://h2o.ehnr.state.nc.us/ncwetlands/oandm.doc). * Pocket Wetlands have different design parameters and are only assumed to remove 35% TSS - See pp. 19 and 20 of the NC DENR Stormwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% low marsh. DWQ Project No. DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET*) WETLAND WORKSHEET PROJECT INFORMATION (please complete the following information): Project Name : Sti ;/,~~ Contact Person: SS sc~ ~~, ~ For projects with multiple basins, specify which `~ Phone Number: (11 ~) 6r "~ Z ~ `f.i this worksheet applies to: (~ p.~'ls„d L Permanent Pool Elevation 35 3 G~ ft. (elevation of the orifice invert out) Temporary Pool Elevation 3Sy, Sg ft. (elevation of the outlet structure invert in) Permanent Pool Surface Area / 7 Y Y sq. ft. (water surface area at permanent pool elevation) Drainage Area 16.7 ac. (on-site and off-site drainage to.the basin) Impervious Area 6 ~ Z ac. (on-site and off-site drainage to the basin) Forebay Surface Area f 6d sq. ft. (at permanent pool elevation approximately 15%)* Marsh 0"-9" Surface Area tbd sq. ft. (at permanent pool elevation approximately 35%)* Marsh 9"-18" Surface Area ¢(,d sq. ft. (at permanent pool elevation approximately 35%)* .Micro Pool Surface Area _ ~.~~~ sq. ft. (at permanent pool elevation approximately 15%)* Temporary Pool Volume Z3~ S7zf cu. ft. (volume detained on top of the permanent pool) SAIDA used Z• Yg (surface area to drainage area ratio)* Diameter of Orifice . Z. O in. (draw down orifice diameter) . 11. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement.hashot been mef, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, ,design calculations, plans and specifications. showing all BMPs and outlet structure details, a detailed drainage plan. and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information. and will substantially delay final review and approval of the project Applicants- Initials ~ ~ The temporary pool controls runoff from the 1 inch rain. ~PK The basin side slopes are no steeper than. 3:1. -t'3n A p-anting plan for the marsh areas with plant species and densities is provided. TI3r~ Vegetation above the permanent pool elevation is specified. 11'Sn An emergency drain is provided to drain the basin. J pK The temporary pool draws down in 2 to 5 days. ttS p Sediment storage is provided in the permanent pool. ~ P~ A sediment disposal area is provided. J P K Access is provided for maintenance. 'it3 P A site specific, signed and notarized operation and maintenance agreement is provided. JAIL The drainage area (including any offsite area) is delineated on a site plan. JaK- Access is provided for maintenance. Jp:1~ Plan details for the wetland are provided. ~-r~n Plan details for the inlet and outlet are provided. TOn A site specific operation and maintenance agreement, signed and notanzed by the responsible party is provided (see http:/lh2o.ehnr.state.nc.us/ncwetlands/oandm.doc). * Pocket Wetlands have different design parameters and are-only assumed to remove 35% TSS -See pp. 19 and 20 of the NC DENR Stormwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% low marsh. DWO Project No. DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET*) WETLAND WORKSHEET I. PROJECT INFORMATION (please complete the following information): Project Name: Sl1:~b~- Liss%ns S~~o,r.;,c;ns ~f Contact Person: ~s~~ ~nnnP-~!y Phone Number. For projects with multiple basins, Permanent Pool Elevation Temporary Pool Elevation Permanent Pool Surface Area Drainage Area Impervious Area Forebay Surface Area Marsh 0"-9" Surface Area Marsh 9"-18" Surface Area .Micro Pool Surface Area Temporary Pool Volume SA/DA used Diameter of Orifice REQUIRED ITEMS CHECKLIST which basin this worksheet applies to: ~ ys ~ ft. (elevation of the orifice invert out) 3 `/cS.S'8 ft. (elevation of the outlet structure invert in) %~, b ~5' sq. ft. (water surface area at permanent pool elevation) /J. Z3 ac. (on-site and off-site drainage to the basin) ~. ~8 ac. (on-site and off-site drainage to the basin) fr~d sq. ft. (at permanent pool elevation approximately 15%)* {-~,nl sq. ft. (at permanent pool elevation approximately 35%)* tbr! sq. ft. (at permanent pool elevation approximately 35%)* fld sq. ft. (at permanent pool elevation approximately 15%)* 3/376 cu. ft. (volume detained on top of the permanent pool) 3.36 (surface area to drainage area ratio)* ~Z7 in. (draw down orifice diameter) Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement.t-asnolbeen met attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information. and will substantially delay final review and approval of the project Aaalicants Initials ~,ox The temporary pool controls runoff from the 1 inch rain. P K The basin side slopes are no steeper than 3:1. -ran A planting plan for the marsh areas with plant species and densities is provided. -rt3 n Vegetation above the permanent pool elevation is specified. Tr.St~ An emergency drain is provided to drain the basin. JPK The temporary pool draws down in 2 to 5 days. t r3r~ Sediment storage is provided in the permanent pool. JPK A sediment disposal area is provided. .1R~ Access is provided for maintenance. P _A site specific, signed and notarized operation and maintenance agreement is provided. J ' The drainage area (including any offsite area) is delineated on a site plan. PI Access is provided for maintenance. J PIL Plan details for the wetland are provided. ~t3D Plan details for the inlet and outlet are provided. 'C'QD A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see http:llh2o.ehnr.state.nc.us/ncwetlands/oandm.doc). * Pocket Wetlands have different design parameters and are only assumed to remove 35% TSS - See pp.19and 20 of the NC DENR Stormwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% lowmarsh. DWQ Project DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET*) WETLAND WORKSHEET 1. PROJECT INFORMATION please complete the following information):/' L~ Project Name : %jD~ ~SSiw S~b /r C..(.~y1TCir Contact Person: _ ~ sue., KeN.,ed,, hone Number: For projects with multiple basins, specify which basin this worksheet applies to: ~1~fl~nd ~ Permanent Pool Elevation 3Z.SU7 ft. (elevation of the orifice invert out) Temporary Pool Elevation 3ZS 7~ ft. (elevation of the outlet structure invert in) Permanent Pool Surface Area ~ ~, ~ G? sq. ft. Drainage Area /~ 31 ac. Impervious Area $, 7/ ac. Forebay Surface Area /'~~ sq. ft. Marsh 0"-9" Surface Area /~t~J sq. ft. Marsh 9"-18" Surface Area _~ - sq. ft. Micro Pool Surface Area y'~ sq. ft. Temporary Pool Volume ~y ~~'~n cu. ft. (water surface area at permanent pool elevation) (on-site and off-site drainage to the basin) (on-site and off-site drainage to the basin) (at permanent pool elevation approximately 15%)* (at permanent pool elevation approximately 35~°)* (at permanent pool elevation approximately 35%)* (at permanent pool elevation approximately 15%)* (volume detained on top of the permanent pool) SAIDA used 3, S~ Diameter of Orifice 3.~ in. II. REQUIRED ITEMS CHECKLIST (surface area to drainage area ratio)* (draw down orifice diameter) Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement.hasaot been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a-fully executed operation and maintenance agreement. An incomplete submittal package vuill result in a request for additional information and will substantially delay final review and approval of the project Aaalicants Initials JPK The temporary pool controls runoff from the 1 inch rain. JPK The basin side slopes are no steeper than 3:1. '18~ A planting plan for the marsh areas with plant species and densities is provided. TF~ P Vegetation above the permanent pool elevation isspecified. ~ D An emergency drain is provided to drain the basin. JPK The temporary pool draws down in 2 to 5 days. 713 P Sediment storage is provided in the permanent pool. JPK A sediment disposal area is provided. JP ~L Access is provided for maintenance. T6 P A site specific, signed and notarized operation and maintenance agreement is provided. ~ PF. The drainage area (including any offsite area) is delineated on a site plan. J Access is provided for maintenance. J p~- Plan details for the wetland are provided. -r-k3n Plan details for the inlet and outlet are provided. ->,?sD A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see http:l/h2o.ehnr.state.nc.us/ncwetlands/oandm.doc). * Pocket Wetlands have different design parameters and~are only assumed to remove 35% TSS - See pp.19and 20 of the NC DENR stormwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% lowmarsh. DIVISION OF WATER QUALITY -LEVEL SPREADER WORKSHEET (112007) I. PROJECT INFORMATION (please complete the following information): Project Name : Shiloh Crossing Shopping Center Contact Person: Jason Kennedy Phone Number: (919) 653-2945 Level Spreader ID: LS -1 Level Spreader Length 43 ft. (perpendicular to flow) Drainage Area 5.19 ac. (on-site and off-site drainage to the level spreader) Impervious Area 2.86 ac. (on-site and off-site drainage to the level spreader) Forebay Area 274 squ. ft. (0.2% of the contributing impervious surface area) Maximum Filter Strip/Buffer Slope 4.0 % (6% for forested/leaf littler cover, 8% for grass/thick cover) Max. Discharge from 1"/Hr Storm 3.18 cfs Max. Discharge to Level Spreader 3.28 cfs (Discharge rate from extended detention wetland or pond) Filter Strip/ Zone 1 Buffer Vegetation Forested (Grass/Thick ground cover or Forested) Filter Strip/ Zone 1 Buffer Width 50 ft. Filter Strip/ Zone 2 Buffer Vegetation Grass Filter Strip/ Zone 2 Buffer Width 55 ft. Bypass Method Used Rip Rap Dissipater Please include a worksheet for this. II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, please explain why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Applicants Initials JPK Project Site was visited prior to designing level spreader system. 4/04/07 Date of the Site visit. Please attach time-dated digital photos of existing buffer conditions. J PK Level spreader length is at least: 13 ft. per cfs for thick ground cover /grass; OR 65 ft per cfs for 50- footcanopied forest with leaf litter; 50 ft per cfs for 100-foot forested buffer; 40 ft. per cfs for 150-foot forested buffer; OR a weighted average of the two vegetation types within the buffer/filter strip). JPK All ground cover types and their widths have been labeled on the construction plans. JP K All contours have been depicted on the construction plans. JPK~ No structures are located in protected buffers (must meet no practical alternatives criteria). JPK No draws are located in the buffer or filter strip in the vicinity of the proposed level spreader. ~ PK Construction details for the level spreader have been provided. J PK The operation and maintenance agreement signed and notarized by the responsible party is provided. J~K No practical alternatives explanation + Variance request. (Level Spreaders in Series only). Bypass method used: JpK Bypass conveyance method is specified and construction details and calculations are provided. N/A Alternative design option is specified and plan details and calculations are provided. .1 PK Discharge to level spreader and subsequent filter strip is hydraulically and spatially separate from the bypass discharge. ~ P-~ Construction details for the bypass and outlets are provided. DIVISION OF WATER QUALITY -LEVEL SPREADER WORKSHEET (112007) I. PROJECT INFORMATION (please complete the following information): Project Name : Shiloh Crossing Shopping Center Contact Person: Jason Kennedy Phone Number: (919) 653-2945 Level Spreader ID: LS - 2 Level Spreader Length 77 ft. Drainage Area 1.44 ac. Impervious Area 1.15 ac. Forebay Area 190 squ. ft. Maximum Filter Strip/Buffer Slope 7.4 Max. Discharge from 1"/Hr Storm 1.15 cfs Max. Discharge to Level Spreader 1.19 cfs Filter Strip/ Zone 1 Buffer Vegetation Forested Filter Strip/ Zone 1 Buffer Width 50 ft. Filter Strip/ Zone 2 Buffer Vegetation Grass Filter Strip/ Zone 2 Buffer Width 20 ft. (perpendicular to flow) (on-site and off-site drainage to the level spreader) (on-site and off-site drainage to the level spreader) (0.2% of the contributing impervious surface area) (6% for forested/leaf littler cover, 8% for grass/thick cover} (Discharge rate from extended detention wetland or pond) (Grass/Thick ground cover or Forested) Bypass Method Used Rip Rap Dissipater Please include a worksheet for this. II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, please explain why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Aoolicants Initials J~~ Project Site was visited prior to designing level spreader system. 4/04/2007 Date of the Site visit. Please attach time-dated digital photos of existing buffer conditions. d1PK Level spreader length is at least: 13 ft. per cfs for thick ground cover /grass; OR 65 ft per cfs for 50- footcanopied forest with leaf litter; 50 ft per cfs for 100-foot forested buffer; 40 ft. per cfs for 150-foot forested buffer; OR a weighted average of the two vegetation types within the buffer/filter strip). ~PI< All ground cover types and their widths have been labeled on the construction plans. JPI< All contours have been depicted on the construction plans. _11'K No structures are located in protected buffers (must meet no practical alternatives criteria). t No draws are located in the buffer or filter strip in the vicinity of the proposed level spreader. JPK Construction details for the level spreader have been provided. JpK The operation and maintenance agreement signed and notarized by the responsible party is provided. ~1?K No practical alternatives explanation + Variance request. (Level Spreaders in Series only). Bypass method used: .1?tC Bypass conveyance method is specified and construction details and calculations are provided. NIA Alternative design option is specified and plan details and calculations are provided. JPK Discharge to level spreader and subsequent filter strip is hydraulically and spatially separate from the bypass discharge. J~PEt Construction details for the bypass and outlets are provided. t Survey indicates a small draw within Zone l of the stream buffer approximately sixty-one (61) feet downstream of LS-2. LS-2 was placed in the location most suitable for diffuse flow. DIVISION OF WATER QUALITY -LEVEL SPREADER WORKSHEET (112007) I. PROJECT INFORMATION (please complete the following information): Project Name : Shiloh Crossing Shopping Center Contact Person: Jason Kennedy Phone Number: (919) 653-2945 Level Spreader ID: LS - 3 Level Spreader Length 59 ft. Drainage Area 1.65 ac. Impervious Area 1.30 ac. Forebay Area 162 squ Maximum Filter Strip/Buffer Slope 6.7 Max. Discharge from 1"IHr Storm 1.31 cfs Max. Discharge to Level Spreader 1.33 cfs Filter Strip/ Zone 1 Buffer Vegetation Forested Filter Strip/ Zone 1 Buffer Width 30 ft. Filter Strip/ Zone 2 Buffer Vegetation Grass Filter Strip/ Zone 2 Buffer Width 20 ft. (perpendicular to flow) (on-site and off-site drainage to the level spreader) (on-site and off-site drainage to the level spreader) ft. (0.2% of the contributing impervious surface area) (6% for forested/leaf littler cover, 8% for grass/thick cover) (Discharge rate from extended detention wetland or pond) (Grass/Thick ground cover or Forested) Bypass Method Used Rip Rap Dissipater Please include a worksheet for this. II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, please explain why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Applicants Initials ~PK Project Site was visited prior to designing level spreader system. 4/04/2007 Date of the Site visit. Please attach time-dated digital photos of existing buffer conditions. ,.~ k Level spreader length is at least: 13 ft. per cfs for thick ground cover /grass; OR 65 ft per cfs for 50- footcanopied forest with leaf litter; 50 ft per cfs for 100-foot forested buffer; 40 ft. per cfs for 150-foot forested buffer; OR a weighted average of the two vegetation types within the buffer/filter strip). JPK All ground cover types and their widths have been labeled on the construction plans. ~vK All contours have been depicted on the construction plans. JPK No structures are located in protected buffers (must meet no practical alternatives criteria). dPk No draws are located in the buffer or filter strip in the vicinity of the proposed level spreader. ~ PK. Construction details for the level spreader have been provided. ~P K The operation and maintenance agreement signed and notarized by the responsible party is provided. J P K No practical alternatives explanation + Variance request. (Level Spreaders in Series only). Bypass method used: JfK Bypass conveyance method is specified and construction details and calculations are provided. NIA Alternative design option is specified and plan details and calculations are provided. J~'K Discharge to level spreader and subsequent filter strip is hydraulically and spatially separate from the bypass discharge. .1 Pl< Construction details for the bypass and outlets are provided. DIVISION OF WATER QUALITY -LEVEL SPREADER WORKSHEET (112007) I. PROJECT INFORMATION (please complete the following information): Project Name : Shiloh Crossing Shopping Center Contact Person: Jason Kennedy Phone Number: (919) 653-2945 Level Spreader ID: LS - 4 Level Spreader Length 42 ft. (perpendicular to flow) Drainage Area 1.02 ac. (on-site and off-site drainage to the level spreader) Impervious Area 0.54 ac. (on-site and off-site drainage to the level spreader) Forebay Area 190 squ. ft. (0.2% of the contributing impervious surface area) Maximum Filter Strip/Buffer Slope 1.4 % (6% for forestedlleaf littler cover, 8% for grass/thick cover) Max. Discharge from 1"/Hr Storm 0.61 cfs Max. Discharge to Level Spreader 0.64 cfs (Discharge rate from extended detention wetland or pond) Filter Strip/ Zone 1 Buffer Vegetation Forested (Grass/Thick ground cover or Forested) Filter Strip/ Zone 1 Buffer Width 30 ft. Filter Stripl Zone 2 Buffer Vegetation Forested Filter Stripl Zone 2 Buffer Width 20 ft. Bypass Method Used Rip Rap Dissipater Please include a worksheet for this. II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, please explain why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. Aoolicants Initials JPK Project Site was visited prior to designing level spreader system. 4/04/2007 Date of the Site visit. Please attach time-dated digital photos of existing buffer conditions. J -'K Level spreader length is at least: 13 ft. per cfs for thick ground cover /grass; OR 65 ft per cfs for 50- footcanopied forest with leaf litter; 50 ft per cfs for 100-foot forested buffer; 40 ft. per cfs for 150-foot forested buffer; OR a weighted average of the two vegetation types within the buffer/filter strip). JPK All ground cover types and their widths have been labeled on the construction plans. J~ K All contours have been depicted on the construction plans. JPK No structures are located in protected buffers (must meet no practical alternatives criteria). JPK No draws are located in the buffer or filter strip in the vicinity of the proposed level spreader. JPK Construction details for the level spreader have been provided. JPK The operation and maintenance agreement signed and notarized by the responsible party is provided. J ~K No practical alternatives explanation + Variance request. (Level Spreaders in Series only). Bypass method used: JPK Bypass conveyance method is specified and construction details and calculations are provided. NIA Alternative design option is specified and plan details and calculations are provided. JPK Discharge to level spreader and subsequent filter strip is hydraulically and spatially separate from the bypass discharge. J~ Y, Construction details for the bypass and outlets are provided. LEVEL SPREADER SYSTEM OPERATION AND MAINTENANCE AGREEMENT (1/2007) A level spreader system includes: a forebay, diverter box, level spreader, riparian buffer/vegetated filter strip, and flow bypass channel. Name of Project: Shiloh Crossing Shopping Center Address: NC Highway 54 and Surles Court Maintenance activities shall be performed as follows: MAINTENANCE ACTIVITY FREQUENCY Post-construction monitoring-inspect for vegetation, Check after every heavy rainfall for first 6 months settlin ,erosion, or concentrated flow. followin construction. Inspect Diverter Box and clean and/or make repairs. Once a month and after heavy rainfalls/storms. Look for: • Clogged inlet or outlet pipes. • Trash/debris in the box. Inspect Forebay + Level Spreader. Clean and/or Once a month and after heavy rainfalls/storms. make repairs. Look for: • Sediment in forebay and along level spreader lip; • Trash and/or leaf buildup. • Scour, undercutting of level spreader. • Settlement of level spreader structure (no longer level; you see silt downhill below level spreader). • Fallen trees on level spreader. • #57 stone washin downhill. Inspect the Riparian Buffer and the Bypass Swale Once a month and after heavy rainfalls/storms. and make repairs as needed'. Look for: • Damaged turf reinforcement or riprap rolling downhill. • Erosion within the buffer or swale. • Concentrated flows downhill of level s reader-look for ullies or sediment flows. Mow grass to a 6" height. As needed during growing season. Remove any weeds/shrubs growing on level spreader Once a year. or in swale. 1 NOTE: Contact NC Division of Water Quality, 401/Wetlands Unit at 919-733-1786 BEFORE any work in Protected Riparian Buffers. Page 1 of 2 LEVEL SPREADER NO. LOCATION ON SITE (DESCRIBE) HOW WILL IT BE ACCESSED? 1 South of Sam's Club Parking lot, on the south side of Shiloh Glen Rd. Off the southern bank of Shiloh Glen Rd. 2 Southwest of Extended Wetland A Extended Wetland A maintenance easement 3 Southeast of Extended Wetland A CP & L utility line easement 4 Northeast of Extended Wetland E Extended Wetland E maintenance easement 5 6 I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name: Title: Address: Phone: Signature:_ Date: Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. a Notary Public for the State of County of personally appeared before me this do hereby certify that day of ,and acknowledge the due execution of the forgoing wet [wetland) detention basin maintenance requirements. Witness my hand and official seal, SEAL My commission expires Page 2 of 2 ATTACHMENT 3 Updated NCEEP Payment In-Lieu Request Form ~. _ NORTH CAROLINA ECOSYSTEM ENHANCEMENT PROGRAM, NCEEP IN-LIEU FEE REQUEST FORM Revised 2/7/2007 Print this form, fill in requested information, sign and date, and either mail to NCEEP, 1652 Mail Service Center, Raleigh, NC 27699-1652, or fax to 919-715-2219. Attachments are acceptable for clarification purposes (location map is required). CONTACT INFORMATION APPLICANT'S AGENT (optional) APPLICANT 1. Business or Individual Name i ,l'iMtf }'- yn2~/ ~tND /15JnC~A~O,~ INBI/ I A/V~ST4~S L L 2. Street Address or P O Box ' 3 onl WESTAN Pae~rv~ I 10U W~s7~~1 P~,e~rK/~v ? 3. City, State, Zip ~ ~A,eY n/C 27513 CAr~y NC 275/3 4. Contact Person 5. Telephone Number ~ C RAC C, >7vE~R (9/9 (0 33 -2973 fCAR L 13l~c KL E r ("419 fbl -3~~lI 6. Fax Number (9i y ~ 7g- ¢i7~ ('941 48/~ 9r75 ~.~ 7. E-Mail Address (optional) ~ i frA;q, afvPrr~K~m/e -her rum u ~ PROJECT INFORMATION 8{^ Project Name ----__.- -- -- __ __ ~~_~ ~ s~ 1LO~ C'~oss,,~y 9. Project Location (nearest town, city) ' **ATTACH MAP SHOWING IMPACT LOCATION** i Nc 34 1 '~¢~ ~b~'~~fd/«~ Od~yAUJ j ~ ~ 10. Lat-Long Coordinates (optional) ,~ $, A G 36 ° nl 78, 84 ~ 3 °W --- ~.~ 11. Project County . I IA/AK~~pveyA-~ , 12. River Basin 11I E u5 ~ _--- 13. Cataloging Unit (8-digit) tsee Note ~) ~ I ~ 342~Z~ I 14. Riparian Wetland Impact (ac.) (e.g., 0.13) _~_ n. za6 15. Non-Riparian Wetland Impact (ac.) ~ A, zl~j w -- - _. -- --- ----------____----- 16. Coastal Marsh Impact (ac.) - I N/i9 17. Stream Impact (ft.) (e.g. 1,234) Warm Cool Cold (See Note 2) Z Jr ~ /~//~) I N/~ ~ _ ~ 18. Buffer Impact-Zone (sq. ft.) (e.g. 12,345) 9 33(, Zone 2: 7 988 Zone 1: ___._._ (See. Note_3~ ________....._._._.____ _ _.._.__. ---... _ .~...~.,..,..,,.,.,„._„„~..,!.„-,.,,„.___.._,.~..,„-.~ 19. Regulatory Agency Staff Contacts ' (Indicate last names, if known) i ' USACE: M,q~F~,~/S DWQ: ~X'/~L y ' _.._._.... _.. 20.Other Regulatory ID Information i ._.. __...._.._.___..._..._.,__..~..__.__._.__...._._,.,__.__. .. .... S f1 Y/- ZOU4 -2/~f 79- Z Z 9 f known) (e.g., USACE Action ID, MPORTAN Check (~) b est is a: Signature of Appli r Agent: 'i .ti d,/ ~_l vision to a current acceptance, or ~ ~-submission of an expired acceptance s/~~/~ 7 Date: Note 1: For help in determining the Cataloging Unit, go to EPA's "Surf Your Watershed" ~ b page: http://cfpub.epa.gov/surf/locate/index.cfm Note (9) above: requirement to attach location map. Note 2: For guidance on stream temperatures, go to: http~//www saw usace armv.mil/WETLANDS/Mitigation/Documents/Stream/Appendices/Appendixl.pdf Note 3: Buffer mitigation applicable only in the Neuse, Tar-Pamlico and Catawba river basins, and the Randleman Lake Water Supply Watershed. Direct all questions to Kelly Williams at 919-716-1921 or kelly.williams@ncmail.net e J'� � � �° vo Q � � '`�, �3 � Y6,�n� '$ �� �� �% 'Z ��� a �� �'� � � U 05/11/2007 14:53 FAX 9196784113 KIMLEY-HORN ~ ool ~~~~~~~~~~c*~c~*~x~~a~~~c ~~~ TX REPORT ~~~ TRANSMISSION OK TX/RX NO RECIPIENT ADDRESS DESTINATION ID ST. TIME TIME USE PAGES SENT RESULT 0033 97152219 05/11 14:52 01'26 3 OK NORTH CAROLINA ECOSYSTEM ENHANCEMENT PROGRAM, NCEEP IN-LIEU FEE REQUEST FORM Revised 2/7/2007 Print this form, fill in requested information, sign and date, and either mail to NCEEP, 1652 Mail Service Center, Raleigh, NC 27699-1652, or fax to 919-715-2219. Attachments are acceptable for clarification purposes (location map is required). CONTACT INFORMATION APPLICANT'S AGENT (optional) APPLICANT 1. Business or Individual Name ~'iMt.£Y-yn,2,y ~Na~Sln[iAPoN l~BI/ 1 ~I//ESTd~s L ~~ 2. Street Address or P O Box f 4Al G~/fSTA~/ PACKW/} IOU Wkll~l~1/ ~~-,eKK/~v I 3. City, State, Zip~~, _ ~,a,ey NL _2 J5i3 C~/Z f ; A/C 273/3 4. Contact Person ~ ~_ _~'~ai H t~uE~,e /~RL IgI~~L'LE r 5. Telephone Number (9/9 (033-2973 (~4/9/ffll -j~101I 6. Fax Number _____ I ~17~ y ~ 76 _ ¢~ 7G ~ (9141 48/- 4 r75 7. E-Mail Address (optional) ^_ ~ ~,-q; , duPrr~ Kin/e -her cart/ PROJECT INFORMATION "----"-- _ -~--~~"~'"~'~__________._.____..~ ~ i ___ _..__ ,_ 8. Protect Name ~ S~ ,Loy C,~ossi~,y 9. Project Location (nearest town, city) --- "ATTACH MAP S_HOWiNG IMPACT lOC_A_T10N__"`_ ~'~ ~ lVC 5¢~ ~~~¢~~ ~0%'C/S!~/LL~~QrI,['s~AM ~~ 10. Lat-Long Coordinates (optional} 3 ~~ AG3~, ~ 78, 8f~ jew 11. Project County ~ 12. River Basin ~ J~/E /S E 13. Cataloging Unit (8-digit) (See Note ~) n 3 pZI~Z D f 14. Riparian Wetland Impact (ac.) (e.g., 0.13) - -- --- ---- --- ----___-- /~ ~- CI. zaV - 15. Non-Riparian Wetland Impact (ac.) ~ _ I -- - - --_~--- - A~ 2 (~ j - ----__~ 16. Coastal Marsh Impact (ac.) ~ ~ ~~~ ~~~ __ N/A 17. Stream Impact (ft.j (e.g. 1,234) ( ~' Warm ~- ._..._...._.._..~___.~._._ _ C ool ._ Cold (See Note 2) 2 34 _ ~ ____ __.._..~_ N/ia N~~ 18. Buffer impact-Zone (sq. ft.) (e.g. 12,345) __ (See Note 3) _ ____ _ _ ~ Zone 1: 9, 33G zone 2• • 7, 9 88 19. Regulatory Agency Staff Contacts (Indicate last names, if known) USACE: ~lt,q >7~EN/S DWQ: / ~/4,f?Q(,1 ~ 20.Other Regulatory ID Information ~u _ ~ ~~~~'~'-~~-~ I ATTACHMENT 4 Overall Project Vicinity Exhibit 0 .A .1 ~TT VJ 1\^'vl, li F