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HomeMy WebLinkAboutSW6141201_CURRENT PERMIT_20150115STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW�lai�%l DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD NC®ENR North Carolina Department of Environment and Natural Resources Pat McCrory Donald R. van der Vaart Governor Secretary January 15. 2015 Mr. Arthur J. Kepes, Executive Vice President Spout Springs Retail Investments, LLC by WRS, Inc. 550 Long Point Road Mt. Pleasant, South Carolina 29464 Subject: Stormwater Permit No. SW6141201 Spout Springs Shops High Density Wet Detention Stormwater Project Cameron, Harnett County The Stormwater Permitting Unit received a complete package for the Spout Springs Shops project on December 22, 2014. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000 and Session Law 2006-246. We are forwarding this Stormwater Management Permit No. SW6141201, issued January 15, 2015, for the construction, operation and maintenance of the subject project and the stormwater BMPs. This permit shall be effective from the original date of issuance until January 15, 2023, and shall be subject to the conditions and limitations as specified therein, and does not supersede any other agency permit that may be required. Please pay special attention to the conditions listed in this permit regarding the Operation and Maintenance of the BMP(s), recordation of deed restrictions, procedures for changes of ownership, transferring the permit, and renewing the permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system, to record deed restrictions, to follow the procedures for transfer of the permit, or to renew the permit, will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing by filing a written petition with the Office of Administrative Hearings (OAH). The written petition must conform to Chapter 150B of the North Carolina General Statutes. Per NCGS 143-215(e) the petition must be filed with the OAH within thirty (30) days of receipt of this permit. You should contact the OAH with all questions regarding the filing fee (if a filing fee is required) and/or the details of the filing process at 6714 Mail Service Center, Raleigh, NC 27699-6714, or via telephone at 919-431-3000, or visit their website at www.NCOAH.com. Unless such demands are made this permit shall be final and binding. Division of Energy, Mineral, and Land Resources Energy Section • Geological Survey Section • Land Quality Section 1612 Mail Service Center, Raleigh, North Carolina 27699-1612.919-707-9200 / FAX: 919.715-8801 512 North Salisbury Street, Raleigh, North Carolina 27604 • Internet: http:l/portal.ncdenr.oro/webAr/ An Equal Opportunity 1 Affirmative Action Employer - 50% Recycled 110% Post Consumer Paper Mr. Arthur J. Kepes, Executive Vice President Spout Springs Shops, Cameron, Harnett County January 15, 2015 Page 2 After thirty days from the date of this letter, this project will be kept on file at the NCDENR Division of Energy, Mineral and Land Resources, Land Quality Section, Fayetteville Regional Office. If you have questions after that time, please contact Brad Cole, brad.cole aC�ncd6nr.gov, of that office. Until that time, if you have any questions or need additional information concerning this permit, please contact Bill Diuguid at (919) 807-6369; or bill.diuguidCa ncdenr.gov. Sincerely, Original Signed by William H. Diuguid William H. Diuguid, AICP, Plans Reviewer for Tracy E. Davis, P.E., CPM Director, Division of Energy, Mineral and Land Resources cc: NCDENR DEMLR Fayetteville Regional Once Central Files Stormwater Permitting Unit Files Attachments State Stormwater Permit Permit No.SW6141201 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF ENERGY, MINERAL AND LAND RESOURCES STATE STORMWATER MANAGEMENT PERMIT MODIFICATION HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Spout Springs Retail Investments, LLC by WRS, Inc. Spout Springs Shops NC Highway 24/87 Cameron, Harnett County FOR THE construction, operation and maintenance of one wet detention basin in compliance with the provisions of 15A NCAC 2H .1000 and S.L. 2006-246 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Energy, Mineral and Land Resources (DEMLR), Land Quality Section and considered a part of this permit. This permit dated January 15, 2015 shall be effective from the original permit date of issuance until January 15, 2023, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.7 of this permit. The stormwater control has been designed to handle the runoff from 1,126,396 square feet of impervious area. 3. The tract will be limited to the amount of built -upon area indicated in Section 1.7 of this permit, and per approved plans. 4. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. 5. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. Page 1 of 7 r State Stormwater Permit Permit No.SW6141201 6. The built -upon areas associated with this project shall be located at least 30 feet landward of all perennial and intermittent surface waters. The following design criteria have been provided in the revised wet detention basin design and must be maintained at design condition: Wet Detention Basin a. Drainage Area, acres: 30.98 Onsite, ft : 1,349,489 Offsite, ft2: 0 b. Total Impervioyys Surfaces, ftz: 1,126,396 Buildings ft : 233,596 Roads/Parking, ft2: 626,523 Other, ft2-sidewalks 3,625 Future, ft�: 262,652 C. Pond Depth, feet, b.shelf to sediment top: 3.50 d. TSS removal efficiency: 90% e. Design Storm: inches 1.0 f. Permanent Pool Elevation, FMS 259.50 g. Permitted Surface Area @PP ft : 78,398 h. Permitted Storage Volume, ft,: 459,523 i. Storage Elevation, FMSL: 261.60 j. Controlling Orifice: inches 4.75 k. Permanent Pool Volume, ft3: 273,016 I. Forebay Volume, ft3: 54,423 m. Receiving Stream/River Basin: Muddy Creek (Overhills Lake) Cape Fear Basin n. Stream Index Number: 18-23-26 o. Classification of Water Body: "C" II. SCHEDULE OF COMPLIANCE The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the completion of any built -upon surface and the issuance of any certificate of occupancy. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stonmwater system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowing and revegetation of slopes and the vegetated filter. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device, flow spreader, catch basins and piping. g. Access to the outlet structure must be available at all times. Page 2 of 7 State Stormwater Permit Permit No.SW6141201 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DEMLR. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. The stormwater treatment system shall be constructed in accordance with the approved plans and specifications, the conditions of this permit, and with other supporting data. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this permitted facility, a certification must be received from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Any deviations from the approved plans and specifications must be noted on the Certification. A modification may be required for those deviations. 7. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 8. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 9. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, lease or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 11. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction. 12. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. Page 3 of 7 State Stormwater Permit Permit No.SW6141201 III. GENERAL CONDITIONS, 1. This permit is not transferable except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a completed Name/Ownership Change form, to the Division of Energy, Mineral and Land Resources, Land Quality Section, signed by both parties, and accompanied by supporting documentation as listed on page 2 of the form. The project must be in good standing with the Division. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 3. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Energy, Mineral and Land Resources, Land Quality Section, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 4. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction. 5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 6. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 7. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and re -issuance or termination does not stay any permit condition. 8. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 9. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 10.The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Session Law 2006- 246, Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al. 11.The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes. 12.The permittee shall submit a renewal request with all required forms and documentation at least 180 days prior to the expiration date of this permit. Page 4 of 7 State Stormwater Permit Permit No.SW6141201 This Permit issued this the 15th day of January, 2015. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Original Signed by William H. Diuguid William H. Diuguid, AICP, Plans Reviewer jo,-Tracy E. Davis, P.E., CPM, Director Division of Energy, Mineral and Land Resources By Authority of the Environmental Management Commission Page 5 of 7 Spout Springs Shop Stormwater Permit No. SW6141201 Cameron Harnett County Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to full time) the construction of the project, Spout Springs Shop (Project) for State Stormwater Permit Permit No.SW6141201 observe (periodically! weekly/ Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specification: Signature Registration Number Date SEAL Page 6 of 7 State Stormwater Permit Permit No.SW6141201 Certification Requirements: 1. The drainage area to the system contains approximately the permitted acreage. 2. The drainage area to the system contains no more than the permitted amount of built -upon area. 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. 4. All roof drains are located such that the runoff is directed into the system. 5. The outlet/bypass structure elevations are per the approved plan. 6. The outlet structure is located per the approved plans. 7. Trash rack is provided on the outlet/bypass structure. 8. All slopes are grassed with permanent vegetation. 9. Vegetated slopes are no steeper than 3:1. 10. The inlets are located per the approved plans and do not cause short- circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12. Required drawdown devices are correctly sized per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as a vegetated shelf, and a forebay. 15. The required system dimensions are provided per the approved plans. Please submit this Designer's Certification to: Brad Cole NCDENR DEMLR Fayetteville Regional Office Land Quality Section 225 Green Street Systel Building, Suite 714 Fayetteville, NC 28301-5043 Page 7 of 7 i :..,,.,-DENILR USE ONLY Date Received FeePaid Penni i w er Z O 3 — ;L01 .,C'O,C'. o0 Applicable Rules: ❑ Coastal SW -1995 ❑ Coastal SW - 2008 LaTh lI - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ M mt Plan: State of North Carolina G``'' D Department of Environment and Natural Resourea C,F: v Division of Energy, Mineral and Land Resourcest ` 3 V4 STORMWATER MANAGEMENT PERMIT APPLICATION DFO�*pUAt-IN G This form may be photocopied for use as an original STDEJ4?'- ERPERM1111N 1. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): 2. Location of Project (street address): NC Highway 24 / 87 City:Ca meron Coun ty:Fla rnett/ Zi p:28326 3. Directions to project (from nearest major intersection): From the intersection of NC Hwy 24 & NC Hwy 87 -Travel S-SW on NC 24/87 approximately 2.7 miles. Site will be on the West side of NC 24 / 87 directly across from Brinkley Hill Lane intersection. 4. Latitude:35° 14' 46.32" N Longitude:-79° "1' 25.58" W of the main entrance to the project. K 0 r+I N r aa. 11. PERMIT INFORMATION: 1. a. Specify whether project is (check one): ®New ❑Modification ❑ Renewal w/ Modificationt tReneznals With aodifieations also requires SWU-102 - Reniaual Application Fornz b.If this application is being submitted as the result of a modification to an existing permit, list the existing permit number , its issue date (if known) , and the status of construction: ❑Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification 2. Specify the type of project (check one): ❑Low Density ®High Density ❑Drains to an Offsite Stormwater System ❑Other 3. If this application is being submitted as the result of a previously returned application or a letter from DEMLR requesting a state stormwater management permit application, list the Stormwater project number, if assigned, N/A and the previous name of the project, if different than currently proposed, N/A 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ®Sedimentation/Erosion Control: 37 ac of Disturbed Area ❑NPDES Industrial Stormwater Z404/401 Permit: Proposed Impacts DWR #14-108 b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit401 Water Quality Certification - DWR #14-108 5. Is the project located within 5 miles of a public airport? NNo UYe If yes, see S.L. 2012-200, Part VI: http://portal.ncdenr.org/web/ir/rules-and-regulations Form SWU-101 Version Oct. 31, 2013 Page I of 6 Ill. CONTACT INFORMATION I. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual, etc. who owns the project): Applicant/Organization:Snout Springs Retail Investments LLC by WRS Inc. its Manager Signing Official & Title:Arthur 1. Kepes, Executive Vice President b.Contact information for person listed in item I above: Street Address:550 Long Point Road City:Mt. Pleasant State:SC Zip:29464 Mailing Address (if applicable):Same as Above City: Phone: (843 ) 654-7888 Email:bmurphy©wrsrealty.com Fax: (843 ) 654-7889 c. Please check the appropriate box. The applicant listed above is: ❑ The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ® Developer* (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/ Organization:Spout Springs Retail Investments. LLC by WRS. Inc. its Manager Signing Official & Title:Arthur T. Kepes, Executive Vice President b.Contact information for person listed in item 2a above Street Address:550 Long Point Road City:Mt. Pleasant State:SC Zip:29464 Mailing Address (if City: Phone: (843 ) 654-7888 Email:bmurphyOwrsrealty.com State: Zip: Fax: (843 ) 654-7889 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project: Other Contact Signing Official & Title: b.Contact information for person listed in item 3a above: Mailing City:_ Phone: Email - 4. Local jurisdiction for building permits: Harnett County State: Zip: Fax: ( ) Point of Contact:lay Sikes Phone k: (910 ) 893-7525 Form SWU-101 Version Oct. 31, 2013 Page 2 of 7 IV. PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be treated. With the completed development storm water will be collected in area inlets and transferred via underground pipe network to a forebay and wet detention facility. Runoff from the pond will be released using an outlet control structure (to rates less than the pre -developed run off rates). 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.If claiming vested rights, identify the regulation(s) the project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stonnwater runoff from this project drains to the Cape Fear River basin. 4. Total Property Area: 45.17 acres 5. Total Coastal Wetlands Area: 0.0 acres 6. 'Total Surface Water Area: 0.0 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area+:45.17 acres Total project area shall be calculated to exclude the followingg the normal pool of impounded structures, the area between the banks of strearns and rivers, the area beloto the Unial High Water (NHW) line or Mean High Water (MHW) line, and coastal ¢wetlands latdeaard from the NHW (or MHW) line. The resultant project area is used to calculate overall percent built upon area (BUA). Nou-coastal rwetlands landeonrd of tlne NHW (or MHW) line nay be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X'100 = 57.30 % 9. How many drainage areas does the project have?] (For high density, court 1 for each proposed engineered storrnwnter BMP. For loco density and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project attach an additional sheet with the information for each area provided in the same format as below. Basin Informahon µ .i Drmna ¢,Area. :Drama e Area Diaina e Aiea" Drama ¢,Area- ' Receiving Stream Name Muddy Creek (Overhills Lake Stream Class C Stream Index Number * 18-23-26 Total Drainage Area (so 1,349,489 On -site Drainage Area (so 1,349,489 Off -site Drainage Area (so 0.0 Proposed Impervious Area** (so 1,126,396 % Im ervious Area** total 83.5% In erviou` ',Surface Area _ Draina �e Aiea = ;Diaida e Area ir' Draina e Area'r i, Drama ¢ Area',(,ih On -site Buildings/Lots (so 233,596 On -site Streets (so N/A On -site Parking (so 626,523 On -site Sidewalks (so 3,625 Other on -site (so Future (so 262,652 Off -site (sf) 0.0 Existing BUA*** (so 0.0 Total (so: Stream Class and Index Number can be determined at: irttp✓/t)ortnLncdenr.ork/twebAi)gViis/esu/classujications 1�orru SWU-101 Version Oct. 31, 2013 Page 3 of 7 Impervious area is defined as the [milt upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Report only that amortnt of existing BUA that will remain after development. Do not report any existing BUA that is to be removed and Which will be replaced by ne7o BLIA. 11. How was the off -site impervious area listed above determined? Provide documentation. All offsite water (from NC 24 / 87 & east) is captured in existing storm drain structures and ditches and routed/discharged Projects in Union County: Contact DEYWLR Central Office staffto check ifthe project is located within a Threatened & Endangered Species watershed that may be subject to more stringent stormwater requirements as per 15A NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from kitty://t)ortal.ncdenr.ore/web/wq/ws/su/bmD-manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from http://partal.ncdenr.org/web/wq/ws/su/statesw/forms does. The complete application package should be submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the interactive online map atlittp://portal.ncdenr.org/web/wq/ws/su/maps.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from http://portal.ncdenr.org/web/wq/ws/su/statesw/forms does. 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed R strictions & P o ctiv Covenants Form. (if required as per Part VII below) s S s) sealed err W �S) and . ,( 3. Original of the applicable Supplement Fonn(s) (sealed, signed a4td dated) and O&C41 agreement(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to http://www.envlielp.org/pages/oiiestopexpress.htnilfor information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative (one to two pages) describing the stormwater treatment/managementfor the project. This is required in addition to the brief summary provided in the Project Information, item 1. 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within 1h mile of the site boundary, include the 1/2 mile radius on the map. 7. Sealed, signed and dated calculations (one copy). 8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. I. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or N1-IW line of tidal waters, and any coastal wetlands landward of the MHW or NHW lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. Form SWU-101 Version Oct. 31, 2013 Page 4 of 7 I. Details of roads, drainage features, collection systems, and stornnvater control measures. in. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a qualified person. Provide documentation of qualifications and identify the person who made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations. o. Drainage areas delineated (included in the main set of plans, not as a separate document). p. Vegetated buffers (where required). 9. Copy of any applicable soils report with the associated SI-IWT elevations (Please identify elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xl1" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO: Schedule a site visit for DEIv�LR to verify the SHWT prior 1 to submittal, (910) 796-7378.) t+�•\\qq,�t_ y�J�.y�y� v O+� c�oisv� '1 iwt C�cSLY 10. A copy of the most current property deed. Deed bodRr� Page att'o l'I. For corporations and limited liability corporations (LLC): Provide documentation from the NC Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H.1003(e). The corporation or LLC must be listed as an active corporation in good standing with the NC Secretary of State, otherwise the application will be returned. http://www.secretary.stite.nc.us/Corporatioiis/CSearcli.aspx VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from http://12ortaI.ticdenr.org/web/Ir/state-stormwater- forms does. Download the latest versions for each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DEMLR, and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer:]. Ed Buchli Consulting Firm: Wolverton & Assoc., Inc. Mailing Address:6745 Sugarloaf Parkway, Suite 100 City:Duluth Phone: (770 ) 447-8999 Eiiiail:ed.buclili@wolverton-assoc.com State:GA Zip:30097 Fax: (770 ) 447-9070 Form SWU-101 Version Oct. 31, 2013 Page 5 of 7 IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filler! out, complete this section) 1, (print or type name of person lister! in Contact Information, iteni 2a) , certify that I own the property identified in this permit application, and thus give permission to (print or type name of person lister) in Contact Information, item la) with (print or type rmme of organization listen in Contact Information, item 1a) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise 1 will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6. a Notary Public for the State of do hereby certify that before me this _ day of County of personally appeared and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, SEAL My commission expires Form SWU-101 Version Oct. 31, 2013 Page 6 of 7 X. APPLICANT'S CERTIFICATION I, (print or type name of person listed in Contact Information, item la) certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormwater rules under 15A NCAC 2H .1000 and any other applicable state stormwater requirements. Signature:_ 1, before me this a Notary Public for the State of do hereby certify that day of Date: County of personally appeared and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, SEAL My commission Form SWU-101 Version Oct. 31, 2013 Page 7 of 7 Permit No. S(.1//A1 /Z4IJ do be pmvnled by Q WQ) ®TA NCDENR Project name Contact person Phone number Date Drainage area number STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Pad III) must be printed, filled out and submitted along with all of the required information, 843-654-7886. O�OF W A rf9O IhDESIGNiINF,ORMATION':.v A -A '. rs= � -'= � �`a':' Site Characteristics Drainage �/ m // d �j �a 77— "A_7_ II�,{._ area Impervious area, post -development 1;460,410-rye ' 1,126,396 R2 G—� �nL ° v/z Si7 Tdrt,J %impervious 77.13 Design rainfall depth 1.0in Storage Volume: Non-SAWaters Minimum volume required Volume provided Storage Volume: SA Waters 1.5' runoff volume Pre -development 1-yr, 24-hr runoff Post -development 1-yr, 24-hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the pre/post control of the lyr 24hr stone peak flow required? 1-yr, 24-hr rainfall depth Rational C, pre -development Rational C, post -development Rainfall intensity: 1-yr, 24-hr storm Pre -development 1-yr, 24-hr peak Flow Post -development 1-yr, 24-hr peak flow PrelPost 1-yr, 24-hr peak flow control Elevations Temporary pool elevation Permanent pool elevation SHWF elevation (approx. at the perm. pool elevation) Top of 1 Oft vegetated shelf elevation Bottom of 10ft vegetated shelf elevation Sediment cleanout, top elevation (bottom of pond) Sediment cleanout, bottom elevation Sediment storage provided Is there additional volume stored above the state -required temp. pool? Elevation of the top of the additional volume 363,585'' ft3 459,523, 113 OK, volume provided is equal to or in excess of volume required. ft3 k3 ft3 ft3 It ,y :,(Y or N) 3.1 in 0.25.(unitless) 0.79, (unitless) 0.13 inter OK u lsec 6.07 ft3lsec .9,81 H31cac 261.60, fmsl 259.50 final 259.31, mat 260.00. final 259.00 fmsl 256.00'. final `255.00 final 1.00 It y (Y or N) 261,6 fmsl OK I lt5 �NU3n top r //✓ 0 /29 SEA 0.3473 31NEEP' y�tiP G. BED rtrrt3r"`s`` Form SW401-Wet Detention Basin Rev 9-m1 B112 Pans I. is I. Design Summary, Page 1 of 2 Permit Noc no be provided by DWO) IV',DESIGN INFORMATION',, ' ' ^ " ". , _ - . • -_. , _ _, . . Surface Areas Area, temporary pool 95,740 ft' Area REQUIRED, permanent pool 58,416 ft' SAIDA ratio 4.00 (unitless) Area PROVIDED, permanent pool, Ape,m p, _ 78,398 ft` OK Area, bottom of 1 Oft vegetated shelf, Ay v„ y 55,806 ft` Area, sediment cleanout, tap elevation (bottom of pond), Aw, r„,a 37,397 ft` Volumes Volume, temporary pool 459,523 ft' OK Volume, permanent pool, Vpp,,,, " 273,016; ft1 Volume, forebay (sum of forebays if more than one forebay) 54,423'. ft' Forebay % of permanent pool volume 19.9 % % OK SA/DA Table Data Design TSS removal t ,: 901 Coastal SA/DA Table Used? n -. (Y or N) Mountain/Piedmont SA/DA Table Used? - -. `; y 1. . ; (Y or N) SA/DA ratio 4.00 (unitless) Average depth (used in SA/DA table): Calculation option 1 used? (See Figure 10-2b) i... '_n '` �.`; (Y or N) Volume, permanent pool, Vp&, ,, 273,016 ft' Area provided, permanent pool, Ara,,," 78,398 It` Average depth calculated ft Need 3 5 min. Average depth used in SAIDA, d„, (Round to nearest 0.5ft) ". I it Calculation option 2 used? (See Figure 10-2b) y (Y or N) Area provided, permanent pool, A._" 78,398 It` Area, bottom of 1 Oft vegetated shelf, A.-,,., 55,806 fit` Area, sediment cleanout, top elevation (bottom of pond), Aao, d 37,397 ftc 'Depth' (distance b1w bottom of 1011 shelf and top of sediment) 3.00 It Average depth calculated 4,00 ft OK Average depth used in SA/DA, d„, (Round to down to nearest 0.5ft) 4.0 It OK Drawdown Calculations Drawdown through orifice? :y_- (Y or N) Diameter of orifice (if circular) 4.75 in Area of orifice (if-noncircular) , in' Coefficient of discharge (Co) 0.60 (unitless) Driving head (Ho) 2.10. It Drawdown through weir? n (Y or N) Weir type -_ ..(unitless) Coefficient of discharge (C.,) (unitless) Length of weir (L) - It Driving head (H) - ft Pre -development 1-yr, 24-hr peak flow 15.88 ft'/sec Post -development 1-yr, 24-hr peak Flow _ 6.07 fta/sec Storage volume discharge rate (through discharge orifice or weir) 2.85 fte/sec Storage volume drawdown time 2.00 days OK, draws down in 2-5 days. Additional Information Vegetated side slopes 3 :1 OK Vegetated shelf slope - 10 :1 OK Vegetated shelf width 15.0 ft OK Length of 8owpath to width ratio 4 :1 OK Length to width ratio . 3.8 :1 OK Trash rack for overflow 8 orifice? y (Y or N) OK Freeboard provided 1.5, It OK Vegetated filter provided? n (Y or N) OK Recorded drainage easement provided? y (Y or N) OK Capures all runoff at ultimate build -out? y (Y or N) OK Drain mechanism for maintenance or emergencies is " Form SW401-Wet Detention Basin-Rev.9-4/18/12 Pans I. 8IL Design Summary, Page 2 of 2 Permit Number: SW a/*/20I (to be provided by DWQ) Drainage Area Number: Wet Detention Basin Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP. The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided. This system (check one): ❑ does ® does not incorporate a vegetated filter at the outlet. This system (check one): ❑ does ® does not incorporate pretreatment other than a forebay. Important maintenance procedures: — Immediately after the wet detention basin is established, the plants on the vegetated shelf and perimeter of the basin should be watered twice weekly if needed, until the plants become established (commonly six weeks). — No portion of the wet detention pond should be fertilized after the first initial fertilization that is required to establish the plants on the vegetated shelf. — Stable groundcover should be maintained in the drainage area to reduce the sediment load to the wet detention basin. — If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain should be minimized to the maximum extent practical. — Once a year, a dam safety expert should inspect the embankment. After the wet detention pond is established, it should be inspected once a month and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance should be kept in a known set location and must be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element: Potentialproblem: How I will remediate theproblem: The entire BMP Trash/debris is present. Remove the trash debris. The perimeter of the wet Areas of bare soil and/or Regrade the soil if necessary to detention basin erosive gullies have formed. remove the gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. Vegetation is too short or too Maintain vegetation at a height of long. approximately six inches. Form SW401-Wet Detention Basin O&M-Rev.4 Page 1 of 4 Permit Number::5 ✓ 61 *1 z.D/ (to be provided by DWQ) Drainage Area Number: BMP element: Potentialproblem: How I will remediate theproblem: The inlet device: pipe or The pipe is clogged. Unclog the pipe. Dispose of the Swale sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged. Erosion is occurring in the Regrade the swale if necessary to swale. smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. The forebay Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design depth for possible. Remove the sediment and sediment storage. dispose of it in a location where it will not cause impacts to streams or the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spraying. The vegetated shelf Best professional practices Prune according to best professional show that pruning is needed practices to maintain optimal plant health. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a one-time fertilizer application to establish the ground cover if a soil test indicates it is necessary. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spraying. The main treatment area Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design sediment possible. Remove the sediment and storage depth. dispose of it in a location where it will not cause impacts to streams or the BMP. Algal growth covers over Consult a professional to remove 50% of the area. and control the algal growth. Cattails, phragmites or other Remove the plants by wiping them invasive plants cover 50% of with pesticide (do not spray). the basin surface. Form SW401-Wet Detention Basin O&M-Rev.4 Page 2 of 4 Permit Number: (to be provided by DWQ) Drainage Area Number: BMP element: Potentialproblem: How I will remediate theproblem: The embankment Shrubs have started to grow Remove shrubs immediately. on the embankment. Evidence of muskrat or Use traps to remove muskrats and beaver activity is present. consult a professional to remove beavers. A tree has started to grow on Consult a dam safety specialist to the embankment. remove the tree. An annual inspection by an Make all needed repairs. appropriate professional shows that the embankment needs repair. if applicable) The outlet device Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The outlet device is damaged Repair or replace the outlet device. The receiving water Erosion or other signs of Contact the local NC Division of damage have occurred at the Water Quality Regional Office, or outlet. the 401 Oversight Unit at 919-733- 1786. 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. When the permanent pool depth reads 33:5 feet in the main pond, the sediment shall be removed. When the permanent pool depth reads 2.5 feet in the forebay, the sediment shall be removed. Sediment Removal Bottom E 257.0 --------------- FOREBAY BASIN DIAGRAM (fill in the blanks) ft Min. Sediment Storage Permanent Pool Elevation 259.50 Pool Sediment Removal Elevation 256.0 Volun -------------------------------------- Bottom Elevation MAIN POND 1-ft Storage Form SW401-Wet Detention Basin O&M-Rev.4 Page 3 of 4 Permit Number: (to be provided by DWQ) 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. Project name:Spout Springs Shops BMP drainage area number: Print namc:Spout Springs Retail Investments LLC by WRS Inc., Its Manager Title:Arthur J. Kenes, Executive Vice President Address:550 Long Point Road, Mt. Pleasant, SC 29464 Phone:843-654-7888 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. I, , 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 detention basin maintenance requirements. Witness my hand and official seal, SEAL My commission Form SW401-Wet Detention Basin O&M-Rev.4 Page 4 of 4 ,Jr Permit No. W 4 1 LF / 20 do be pmvltletl by DWD) Ili 5/f S AZ NCDENR Contact person Phone number Date Drainage area number 02 F W ATFgQG g v > ti STORMWATER MANAGEMENT PERMIT APPLICATION FORM o c 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information. Il.'DESIGWNFORMATION�Y� ".....-:c�Fi': Site Characteristics / Drainage area "" 1,460,4101 it'I/ Impervious area, post -development 1,126,396. ft" ✓ %impervious 77.13 % Design rainfall depth - 1.0 in Storage Volume: Non -SA Waters Minimum volume required Volume provided Storage Volume: SA Waters 1.5' runoff volume Pre -development 1-yr, 24-hr mnoff Post -development 1-yr, 24-hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the pre/post control of the 1yr 24hr storm peak flow required? 1-yr, 24-hr rainfall depth Rational C, pre -development Rational C, post -development Rainfall intensity: 1-yr, 24-hr storm Pre -development 1-yr, 24-hr peak flow Past -development 1-yr, 24-hr peak flow Pre/Post 1-yr. 24-hr peak Flow control Elevations Temporary pool elevation Permanent pool elevation SHWT elevation (approx. at the pen. pool elevation) Top of 1Oft vegetated shelf elevation Bottom of 10ft vegetated shelf elevation Sediment cleanout, top elevation (bottom of pond) Sediment cleanoul, bottom elevation Sediment storage provided Is there additional volume stored above the slate -required temp. pool? Elevation of the top of the additional volume 363,585 ft3 / 459,523 ft3 OK, volume provided is equal to or in excess of volume required. it ft3 it ft3 ft3 y . (Y or N) 3.1 in ..0.25 (unitless) 0.79.(unitless) 0.13. inthr OK 15.88 ft3/sec 6.07 ft3/sec -9.81 ft3lsec 261'.60 fmsl 259.50. fmsl _ [tttrr;?259:31ifmsl 260.00: fmsl ^—_ -`', 259.00'fmsl 256.00:fmsI 255.00 fmsl 1.00 it y (Y or N) 261.6 fmsl OK J3`3,nn I,„, SEA = 034 .�••.IZlz�3 (,GI F9V G. k3 „.... 0 Form SW401-Wet Detention Basin-Rev.9-411e/12 Pans I. & II. Design Summary, Page 1 of 2 Permit No. 7. be provided by DWO) .. 4�v.�':. 7• RIDESIGWINFORMATIONk '�4, Surface Areas Area, temporary pool Area REQUIRED, permanent pool SAIDA ratio Area PROVIDED, permanent pool, A.-P. Area, bottom of 10ft vegetated shelf, A. v Area, sediment cleanout, top elevation (bottom of pond), At.,., Volumes Volume, temporary pool Volume, permanent pool, V.-. Volume, forebay (sum of forebays if more than one forebay) Forebay %of permanent pool volume SAIDA Table Data Design TSS removal Coastal SAIDA Table Used? MounlainlPiedmont SA/DA Table Used? SA7DA ratio Average depth (used in SAMA table): Calculation option 1 used? (See Figure 10-2b) Volume, permanent pool, Vp,,,,,� Area provided, permanent pool, Ap, _,, Average depth calculated Average depth used in SA/DA, d,„ (Round to nearest 0.511) Calculation option 2 used? (See Figure 10-2b) Area provided, permanent pool, Ap,,,, pm Area, bottom of 10ft vegetated shelf, Ab L ,, Area, sediment cleanout, top elevation (bottom of pond), A,_� 95,740 ftz 58,416 ftz 4.00 (unitless) ,.78,398 it, OK 37,397 ft` 459,523 ft1 OK .273,016 k' 54,423. k' 19.9% % OKK .'90% V (Y or N) 4.00 (unitless) 27'31 it, 78,398 k` ft _ft y (Y or N) 78,398 ft` 55.806 ft` 37,397 ftz 'Depth' (distance blw bottom of 1 Oft shelf and lop of sediment) 3.00 it Average depth calculated 4.00 it Average depth used in SAIDA, it,,, (Round to down to nearest 0Sft) - 4.0 It Drawdown Calculations Drawdown through orifice? Diameter of orifice (if circular) Area of odfce (if -non -circular) Coefficient of discharge (Cu) Driving head (Ho) Drawdown through weir.? Weir type Coefficient of discharge (C„.) Length of weir (L) Driving head (H) Pre -development 1-yr, 24-hr peak flow Post -development 1-yr, 24-hr peak flow Storage volume discharge rate (through discharge orifice or weir) Storage volume drwdown time Additional Information Vegetated side slopes Vegetated shelf slope Vegetated shelf width Length of flowpalh to width ratio Length to width ratio Trash rack for overflow & orifice? Freeboard provided Vegetated filter provided? Recorded drainage easement provided? Captures all runoff at ultimate build -out? Drain mechanism for maintenance or emergencies is: y (Y or N) 4.75 in in 0.60 (unitless) 2.10it n (Y or N) .(unitless) (unitless) k R 15.88 ft'isec 6.07 ft'isec 2.85 ft'lsec 2.00 days 3 :1 15.0 it 4 :1 3.8 :1 y (Y or N) 1.5 ft n (Y or N) y (Y or N) y (Y or N) Need 3 it min. OK OK OK, draws down in 2-5 days. OK OK OK OK OK OK OK OK OK OK Form SW401-Wet Detention Basin-Rev.9-4r10112 Pans I. & II. Design Summary, Page 2 or 2 COt>Y Permit Number:SV61AF1 2-01 — 1�1611r (to be provided by DWQ) Drainage Area Number: _^ Wet Detention Basin Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP. The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided. This system (check one): ❑ does ® does not This system (check one): ❑ does ® does not incorporate a vegetated filter at the outlet. MAY 1 1 2015 incorporate pretreatment other than a forebay. Important maintenance procedures: — Immediately after the wet detention basin is established, the plants on the vegetated shelf and perimeter of the basin should be watered twice weekly if needed, until the plants become established (commonly six weeks). — No portion of the wet detention pond should be fertilized after the first initial fertilization that is required to establish the plants on the vegetated shelf. . — Stable groundcover should be maintained in the drainage area to reduce the sediment load to the wet detention basin. — If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain should be minimized to the maximum extent practical. — Once a year, a dam safety expert should inspect the embankment. After the wet detention pond is established, it should be inspected once a month and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County), Records of operation and maintenance should be kept in a known set location and must be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element: Potential problem: How I will remediate theproblem: The entire BMP Trash debris is present. Remove the trash debris. The perimeter of the wet Areas of bare soil and/or Regrade the soil if necessary to detention basin erosive gullies have formed. remove the gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. Vegetation is too short or too Maintain vegetation at a height of lon approximately six inches. Form SW40I-Wet Detention Basin O&M-Rev.4 Page 1 of 4 Permit Number: S 1,/ / 2 o f (to be provided by DWQ) Drainage Area Number: BMP element: Potentialproblem: How I will remediate theproblem: The inlet device: pipe or The pipe is clogged. Unclog the pipe. Dispose of the swale sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged. _ Erosion is occurring in the Regrade the swale if necessary to swale. smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. The forebay Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design depth for possible. Remove the sediment and sediment storage. dispose of it in a location where it will not cause impacts to streams or the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spray in . The vegetated shelf Best professional practices Prune according to best professional show that pruning is needed practices to maintain optimal plant health. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a one-time fertilizer application to establish the ground cover if a soil test indicates it is necessary. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spraying. The main treatment area Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design sediment possible. Remove the sediment and storage depth. dispose of it in a location where it will not cause impacts to streams or the BMP. Algal growth covers over Consult a professional to remove 50% of the area. and control the algal growth. Cattails, phragmites or other Remove the plants by wiping them invasive plants cover 50% of with pesticide (do not spray). the basin surface. Form SW401-Wet Detention Basin O&M-Rev.4 Page 2 of 4 Permit Number: S t./ (*I L' /2 O f (to be provided by DWQ) Drainage Area Number:._,_.,_-_, BMP element: Potentialproblem: How I will remediate theproblem: The embankment Shrubs have started to grow Remove shrubs immediately. on the embankment. Evidence of muskrat or Use traps to remove muskrats and beaver activity is present. consult a professional to remove beavers. A tree has started to grow on Consult a dam safety specialist to the embankment. remove the tree. An annual inspection by an Make all needed repairs. appropriate professional shows that the embankment needs repair. (if applicable) The outlet device Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The outlet device is damaged Repair or replace the outlet device. The receiving water Erosion or other signs of Contact the local NC Division of damage have occurred at the Water Quality Regional Office, or outlet. the 401 Oversight Unit at 919-733- 1786. 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. When the permanent pool depth reads 33:5 feet in the main pond, the sediment shall be removed. When the permanent pool depth reads 22:5 feet in the forebay, the sediment shall be removed. Sediment Removal Bottom BASIN DIAGRAM (rill in the blanks) Permanent Pool Elevation 259.50 257.0 a Pc mancn Pool -------------- volume Sediment Removal Elevation256.0 Volume 256_0 -.fi Min. ---------------------; --------------------- ------ Sediment Bottom Elevation 255.0 1-ft m Storage Sedintel Storage FOREBAY MAIN POND Form SW401-Wet Detention Basin O&M -Rev.4 Page 3 of 4 Permit Number: 5 W G/ Af / Z o) (to be provided by DWQ) 1 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. Project name:Sl)out Springs Shops BMP drainage area number: Print name:Spout Springs Retail Investments LLC by WRS Inc., Its Manager 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. I Marianne- Y n . Kelly , a Notary Public for the State of South Carm)i n@ , County of Char I esfon , do hereby certify that Arthur T . )iepes personally appeared before me this I S+h day of December , &Dl , and acknowledge the due execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal, I(Y)a .� �I Notor Cab Public, July SoulE RIANNE M. CaYre line f SEAL My commission expires July 18 , a019 Form SW401-Wet Detention Basin O&M-Rev.4 Page 4 of 4 Permit Number 7-o/df,- 1 S OS I = 6' l0 /ZO/ Ca e Rules: ❑ Coastal SW - 1995 ❑ Coastal SW - 2008 h 11 - Post construction all that apph/) ❑ Non -Coastal SW- HQW/ORW Waters p Universal Stormwater Management Plan State of North Carolina Department of Environment and Natural Resources Division of Energy, Mineral and Land Resources STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form maybe photocopied for use as an original I. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements,. etc.): Spou t Sprin¢s ;hoes 2. Location of Project (street address): Ci ty:Ca nreron Cou nty: Ha rnel to Zip:28326 3. Directions to project (from nearest major intersection): I--rom the intersection of NC Hwy 24 &.NC I-hvy 87-'I'rnvt:l S=;W on NC 24/87 autrosinialelb2.7 miles. Site will be on the West side of NC 24 / 87 directly across from Brinkley Hill Lane intersection. 4. Latitude;35014' 46.32" N Longitude:-791 V 25.58" IN of the main entrance to the project. fear-+- M4, IL PERMIT INFORMATION: 1. a.Specify whether project is (check one): ®New ❑Modification, ❑ Renewal w/ Modification tRenewals with modifications also requires SM-702 - Renewal Application Form h.If this application is being submitted as the result of a mudificatimr to an existing permit, list the existing permit number_, its issue date (if known) and the status of construction: ❑Not Started ❑Partially Completed` El Completed* "provide a designer's certification, 2. Specify the type of project (check one): ❑Low Density ®High Density ❑Drains to an Offsite Stormwater System ❑Other 3. If this application is being sribmitted as the result of a previously returned application or a letter from DEMLR requesting a state storniwater management permit application, list the stornrwater project number; if assigned, N/A - and the -previous name of the project, if different than currently proposed, N/A _ 4. a. Additional Project Requirements (check applicable blanks; infurmation on required slate permits can be obtained by contacting fire Customer Service Center at1-877-623.6748): ❑CAMA Major ®Sednnentation/Erosion Control: 37 ac of Disturbed Area ❑NPDES Industrial Stormwater g404/401 Permit: Proposed Impacts DWR.414-108 b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each pennit:401 Wiler Quality Ceilificaliuo_ DWR #'14-103 ' Proposed Walmarl Store - Spout SprincsjNC; Oct. 31 2014 _ -_ 5. Is the project located within 5 miles of a public airport? ONo ❑Yes If yes, see S.L. 2012-200, part VC lit tr,://oortal ncdenr orb /web/It/rules-and-rerul at ions Fonn SWU-101 Version Oct.31, 2013 Page I of Ill. CONTACT INFORMATION 1. a. Print Applicant / Signing Official's name and title (specifically the developer, properly owner, lessee, designated government official, individual, etc. who owns the project): Applicant/Organization:51)out Springs Retalilnvestments LLC by WRS Inc its Manager Signing Official &Title::Arlhur I Keys, Executive Vice President b.Contact information for person listed: in item la above: Street.Addl'ess:550 Long Point Road City:Ml. Pleasant Smte:SC Zip:29464 Mailing Address (if applicable):Same as Above City: State:. Zip: Phone: (843 ) 654-7888 Fax: (843 ) 654-7889 Emailjbmu rpliy@wrsreaily.com c. Please check the appropriate box. The applicant listed above is: ❑ The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and2b below) ❑ Purchaser` (Attach a copy of the pending sales agreement and. complete Contact Information,. item 2a and 2b below) ® Developer' (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's nrmre and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/Organization:SnoutSprings RetailInvestments UC by WRS.inc. its Manager Signing Official & Title:Arthur T Kepes Executive Vice President b.Contact information for person listed in item 2a above: Street Address:550 Long Point Road Cily:Mt. Pleasant State:SC 7ip:29464 Mailing Address (if applicable): City: State: `Lip: Phone: (843 ) 654-7888 Email:bmurpliy wrsreally.com Fax: (843 ) 654-7889 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project' Other Contact Person/Organization: Signing Official & b. Contact information for person listed in item 3a above: Mailing Address: Phone: (_ ) _ Fax: 4. Local jurisdiction for building permits: Point of ContactJM Sikes Phone M: (910 ) 893-7525 Form SWU-101 Version Oct. 31, 2013 Page 2 of 7 IV. PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be treated. With the completed development storm water will be collected in area irilets and transferred viaunderground pipe network to a forebaand wet detention facility. Runoff from the pond will be released using an outlet control structure (to rates less than the pre -developed run off rates). 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific. Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Dale: b. If.claiming vested rights, identify the regulations) lhe:-project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph - Post Construction 3. Stormwater runoff from this project drains to the Cape Fear River basin. 4. Total Properly Area: 45.17 acres 5. Total Coastal. Wetlands Area: 0.0 acres 6. Total Surface Water Area: 0.0 acres 7. Total Properly Area.(4) -Total Coastal Wetlands Area (5) - Total Surface Water Area (6) =Total Project Area': 45.37 acres ' Total project urea Aall be calculated to cxcbrdc the f ilowi❑ Ilrr. noruuil tool of left ounded struclures, the area behuecn flee GnitAs of sfremus and r'iiiris, the avert ],Coto flee onual hitgh rater (N qM tine. or Mean Hi$h Water (MIIM line, att d coastal wetlmrds la)ttltnnrd front !lie NhIW (i)r MHIAr) line. Tlicresultant project area is used to rnladaleotierafl.percerd liui(f upon prep (LiLI/1). Non•conslnl ntr.Onuds Innriwaril of tlic NHW (or MIdW) linerirdy be included in the total projeefarea. 8. Project percent of impervious area: (Total Impervious Area / Tutal Project Area)X 100 = 57.30 % 9. How many drainageareas does the project have?l (For high density, count I for each proposed engineered stormwater BMP. For low density and outer projects, use 1 jbr the whole property area) ]0. Complete the following. information for each drainage area identified in.Pr91ect Information item 9. ff there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in die same format as below. .TT--urr�u .yyss--�r.��e�•.rr. r lB Tyu,y_Pr1laR0}i((y ��•• ` �.,{��r +,A�il1H errat c.�_ .�..w.. rw.. tty^ IUD'.{allla L�ATCa�_A �p"1,. �I�alJlil crq>•L�i ry��g.''�+-� Ev1pu}q [. 11 Receiving Stream Name Muddy Creek (Overhills Lake Stream Class ` - - - C Stream Index Number " 18-23-26 Total Drainage Area (so 1,349,489 On -site ]Drainage Area (so 1,349,489 Off -site Drainage Area (so 0.0 Proposed impervious Area** (so 11126;396 % Impervious Area"" total 83.5% ilrn .. „r_ 1. t`ht..« aina e Area .. -:Rnuia On -site Buildings/Lots, (so 233,596 On -site Streets (so N/A On -site Parking (so 626,523 On -site Sidewalks (so 3,625 Other on -site (so Future (so 262,652 Off -site (so 0.0 Existing BUA'*" (so 0.0 .Total (so: Streum Class and Index Number call be determined at httltorlal.ncdenr.ot%t�eb/tug/its/csu dnssificntions Form SNYU-101 Version Oct. 31, 2013 Page 3 of 7 »' Inr tenuous urea is derined as the buill upon are.n.including, but not limited to, buildings, roads, parking areas, :4icvoulks, gravel wrens, etc. Ifrrport only than nnnntnt of existing SUA that will remain after developmeitt. Do not reparl airy existing BUA lhnl is Ili be diumkd )oil Which will be replaced by new SUA. 11. Plow was the off -site impervious area listed above determined? Provide documentation. All offsite water (from NC 24 / 87 & east) is captured in existing storm drain structures and ditches and'routed/discharged off Z away from properly. Projects in Union County: Contact DEMLR Central Office stojj'to check ifthenrojecl is located within a Threatened & Endangered Species watershed that maybe subject to more stringent .starmwater requirements as per'1 SA NCAC 02B.0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submittedfor each BMP specified for this project. The latest versions of the forms can he downloaded from hW)://portal.ncdcnr.ory/web/wq/ws/su/bmp-manual. V /: SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land Resources'(DEMLR). A complete package includes all of theitems listed below. A detailed application instruction sheet and BMP checklists are available from htt.: J1rorlal.ncdenr.org/web/wg/ws/s❑/slatcsw/forms does. The Conn plate a ppl ication package should be submitted to the appropriate DL•MLR Office. (I'heappropriate office cony be found by locating project on the interactive online map al hltl>xutal.ncdenr:org web w /ws/su/nna�J Please. iindicale Ihat the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed.in blue ink. Download. the latest versions for each submitted application package from lit!p://portal.ncdenr:oig/web/wq/ws/su/statesw/forms does. 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and, one copy of the sighed and nolirized Deed R sIt iclioins & 1'I'of cliv n C veil. is Form. (if required as per Part V(f below) ?S"•=" �-"� � l"' p'rO'r`� �`' 1`r.'pr,o fit,v�' 3. Original of the applicable Supplement Form(s) (waled, signed and dated) and 0 agreements) for each BMP. 4. Peianit application processing fee of ,$505 payable to NCDF.NR. (Foram Express review, refer low _ htto: www.envhelmore/I gcs onestopezpress:litn,l for information on the L•xj,ress program and the associated Tees. Contact the appropriate rr:gional office Express. Permit, Coordinator fill. additional infonuation •nndl to schedule the re(Iubed apphralion meeting.) 5. A detailed narrative (one tin two pages) describing the sloe nnwalei' Ircalmenl/managennentfor the in oject. This is required in addition to the brief snnunvy, provided in the Project Information, item 1. 6. A USGS map identifying the site location. If diereceiving stream is reported as class SA or thee_ receiving stream drains to class SA waters within 3/2 mile of the site boundary, include the 3/2 mile radius on the map. 7. Scaled, signed and dated calculations (one copy). 8. Two sets of. plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North mrow. I. Scale. g. Revision number and dales. h. Identify Al surface waters on the plans by delineating the normal pool elevation of impounded s0•uchrreS, the banks of streams and river:;, the NIT-1W or NHlV lime of tidal watuls, and any conslal wetlands landward of the MI-IW ur NI-11N lines. - • Delineate the vegetated buffer landward lion, the normal pool elevation of inpounded structures, the banks of streamsor rivers, and the MHW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. Form S WIJ-101 Version Oct..31, 2013 Page 4 of 7 I. Details Of roaCIS, draimrl;e fealnre5, COIICCIiOil systems, and sIonnwater control meastoes. In. Wcllands delineated, or if note on the plans that frolic exist. (Must be delineated by a qualified person. Provide documentation of qoa l ificaliois aucPi&nI ify the person Who made the delernritiation on tile plans. it; Existing drainage (inchtding off -silo), drainage easemcnts, pipe sizes, runoff calculations. o. Drainage areas delineated (included in tire ninin set of plans; not ,is a separate document). 1? Vegetated buffers (whore required). h the 9. COPYCOPYcif any rpphcahle souls report with - associated S}9 W'f elevations (Please identify elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils oral) with the project area clearly delineated. For projects with infiltration 13MPs, the report -should also include the soil type, expected infiltration rate:, and the method of determining the infilh�ntion rate. (Infiltration Devices submitted to WiRO:. Schedule to sole oisil f)r Dlilv)(.R Io verify Ihe.SHIVI'prior for submittal, (970) 796-7378.) 10. A <:opy of the most cunentproperty deed. Deed Lo04,v'a¢.,agc 71. Forcorporations and limited liability corporations (eSLI,C): Provide documentation from the NC� Secretary of State or other official documentation, which supports the tiller and positions held by the persons lis led in Contact hdormn I ion, itern 'I of, 21, and/or 3w per 'I SA NCAC21-1.1003(e). The corporation orl_LC must be listed as an active corporation in good stairding with the NC Secretary of Stale,; otherwise the application will be returned. h tlu: / / wwwsecretn rystale.nc. us /Corpora [ions / CSea rch.asla VIL DEED RESTRICTIONS AND PROTECTIVE COVENANTS For nil subdivisions, outparcels, and future development,the appropriate property restrictions and protective covenants are required Co be recorded prior to Ore sale of any lot. if lot sizes vary significantly or the prpposed 13UA allocations vary, a table listing each lot number, lot sire, and the allowable built -upon area must be provided as -,fit attachment to the completed and notarized deed.restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from 111113, porlal.ncdeni.ot-/%veb/Ir/slate-stormwaler- forms dots. Download the latest versions for each subinitiaL, In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sigrn,the deed restrictions and protective covenants form while the applicant: is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and.listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DEMLR,.and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer:]. Ed Bucldi . Consulting Firm: Wolverton & Assoc. Inc. Mailing Address:6745 Sugarloaf Parkway Sir ite 100 City:Duluth Phone: (770 1 447-8999 Email: ed. bu chliOwo Iverton-a ss oc. coo Form SWU-101 Version Oct. 31, 2013 fage 5of7 State:GA Zip:30097 Fax: (770 1 447-9070 'IX., PROPERTY OWNER AUTHORIZATION (if Contact Information; ilein 2 has been filled .out, complete this section) 1, (print at- type name of person listed in Contact Information, item 2a) , certify that I own the property identified in this permit application, anal liras give permission to (print or type name of person listed in Contact Information; item la) with (print or type name of organization listed in Contact Informalion, item la) _ to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. As the legal property owner I acknowledge, understand,and agre.e,by my signaturebelow, that if my designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on. their lease agreement, or.pending sale, responsibility for loin pliance.with the DEMLR Slormwater permit reverts Back to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and submit a completed Nmnc/Ownership Ira nge Form within i0.days; otherwise I will be operating a stormwater treatment facility Ihout a valid perm I Understand that lheoperation of a slormwriler treatment facility without a valid p r nit is a viol3tio 6 NC General Shlue *143 215 1 and may result inrppropriate enforcement action includin sess1, n c it penalties of up to $25,000 per day, pursuant to NCGS 143-215.6. Date:beeember 15 aDIr} I, MarIianne- Yn .1401 / --.,a Notary Public for the State of South Ctlrblina Countyof CharleS1'lbt'n do hereby certify that Artbor- 7. He personally appeared before me this 15t day of beeember a014 , and acknowledge the due execution of the application for a slormwater permit. Witness my hand and official seal, W)aLt4minL- i .�xxV.ly MARIANNE M.,"T Notary Public, South Carolina My Commission Expires July 28, 2019 SEAL My,commissionexpirep'Toly a8, aD19 Form SWU-101 Version Oct. 31, 2013 page 6 ol'7 X. APPLICANT'S CERTIFICATION I,(yriniur Igpe. manerfperson Iistniiit Contact.Iaifi)rrrraiian, itern 1a) Spoof SpriMS Qe-fat I Tny25Imej ,,LLC- certify Ihnt the information it Lied on this lie. nnii application form is, to the best of my knowledge, correct and Ihnt the project nr ill c Cmrtit ucled ,n Conformanr e with the approved plans, that the required deed restrictions and protective cov .r antswi Im r .corded, and that the proposed project complies with the requirements of the applicable slornns1(r/ulomf 15A NCAC 21-1 .1000 and any other applicable state stormwater requirements, Date:,b Is, &1)14 I, Mariame- M . v a Notary Public forthe State of SDDti]0-WDj1n& Countyof Charlestcm ereby certify that Ar+hor 7. Pepe S personally appeared before me this l5rhday of DeCeryy Def &1)14 and acknowledge the due execution of the appLication for a stormwater permit. Witness my hand and official seal, MARIANNEM. NELLY Notary PUbll C, South Corollno My Commission Explres July 28, 2019 SFAI_ Mycommissionexpiro: Toly a8; wig Fort SWIJ-101 Version Oct. 31, 2013 Page 7 of 7 Permit Number: (to be provided by DWQ) Drainage Area Number: _ Wet Detention Basin Operation.and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP. The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided. This system (check one): ❑.does M does not incorporate a vegetated filter at the outlet. This system (check one): ❑ does M does not incorporate pretreatment other than a forebay. Important maintenance procedures: Immediately after the wet detention basin is established, the plants on the vegetated shelf and perimeter of the basin should be watered twice weekly if needed, until the plants become established (cormnonly six weeks), — No portion of the wet detention pond should be fertilized after the first initial fertilization that is required to establish the plants on the vegetated shelf. . — Stable groundcover should be maintained in the drainage area to reduce the sediment load to the wet detention basin. — If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through theemergency drain should be minim_ ied to the maximum extent practical. — Once a year,.a dain safety expert should inspect the embankment Afterthe wet detention pond is established, it should be inspected once a month and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance should be kept in a known set location and must be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element: Potentialproblem: How I will remediate theproblem: The entire BMP 'Trash/debris is present. - Remove the trash debris. The perimeter of the wet Areas of bare soil and/or Regrade the soil if necessary to detention basin erosive gullies have formed. remove the gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. Vegetation is too short or too Maintain vegetation at a height of long. .1 approximately six inclies. Form SW401-Wet Detention Basin O&M-Rev.4 Page I of 4 Pei mit Number: (to be provided by DWQ) Drainage Area Number:_ BMP element: Potential problem: How I will remediate theproblem: The inlet device: pipe or The pipe is clogged. Unclog the pipe. Dispose of the Swale sediment off -site.. The pipe is cracked or Replace the pipe. otherwise damaged. Erosion is occurring in the. Regrade the Swale if necessary to swale. smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. The foiebay Sediment has accumulated to - Search for the source of the a depth greater than the sediment and remedy the problem if original design depth for possible. Remove the sediment and sediment storage.. dispose of it in a location where it will not cause impacts to streams or the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Weeds are present. Remove the weeds, preferably by hand. -If pesticide is used, wipe it on the plants rather than spraying. The vegetated shelf Best professional practices Prune accotdingto best professional show that pruning is needed .practices to maintain optimal plant health. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc.. Remedy the problem and. replace plants. Provide a one-time fertilizer application to establish the ground "cover if a soiltest indicates it is necessary, Weeds are present. - Remove the weeds, preferably by 'hand. If pesticide is used, wipe it on the plants rather than spraying. The main treatment area Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design sediment possible. Remove the sediment and storage depth. dispose of it in a location where it will not cause impacts to streams or the BMP. Algal growth covers over Consult a professional to remove 50% of the area. and control the algal growth. ' Cattails, phragmites or other Remove the plants by wiping them invasive plants cover 50% of with pesticide (do not spray). the basin surface. Form SW401-Wet Detention Basin O&M-Rcv.4 Page 2 of 4 Permit Number: (to be provider/ by UWQ) Drainage.Area Number:. BMP element. Potential problem: How r will remediete the problem: The embankment Shrubs have started to grow Remove shrubs immediately. on the embankment. Evidence of muskrat or Use traps to remove muskrats and beaver activity is present. consult a professional to remove beavers. A tree has started to grow on Consult a damsifety specialist to the embankment. remove the tree. An annual inspection by an Make all needed repairs. appropriate professional shows that the embankment needs repair. (if applicable_ The outlet device Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The outlet device is damaged Repair or replace the outlet device. The receiving water Erosion or other signs of Contact the local NC Division of damage have occurred at the. Water Quality Regional Office, or outlet. the �401 Oversight Unit at 919-733- 1786. 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. When the permanent pool depth reads 3:5 feet in the main pond, the sediment shall be removed. When the permanent pool depth reads 25 feet in the forebay, the sediment shall be removed. BASIN DIAGRAM Uri in the blanks) Permanent Pool Elevation 259.50 Sediment Removal .257.0 Pc uumcn Pool --------.---------- Volume Sediment Removal Elevation 256.0 Volume Bottom lilevalini 256.0-I1.Min. N -------------------,--------------------------SedimenBottom Elevation 255.0 I-ft nt. Storage - Sedinmol Storage FOREBAY MAIN POND Form SW401-Wet Detention Basin O&M-Rev.4 Page 3 of 4 Permit Number: (to be provided by DWQ) I acknowledge and agree by my signature below that 1 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. Project name:aou[ Sprin s Shops BMP drainage area number: l Print name:Spout Springs Retail Investments L LC by WRS Inc. Its Manager Note: The legally responsible party should not be a. homeowners association unlessmore than 50%of . the lots have been sold and a resident of the subdivision has been named the president. I Marianne_ M.Kelw ,a.NotaryPublic.forthe State of South Carolina County of aar IeS+ova , do hereby certify that Ar-thvr T . Mepes personally appeared before me this 15th day of December aDl , and acknowledge the due execution of the forgoing wet.detcntion basin maintenance requirements. Witness my hand and official seal, R ot Notary tlnoMyCAyIssnExplresll SEAL My commission expires Suly o1S , @019 Form SW401-Wet Detention Basin O&M-Rev.4 Page 4 of 4