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HomeMy WebLinkAboutSW8940217_CURRENT PERMIT_20210727STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 DOC TYPE CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 202► 0"1 z-I YYYYMMDD ROY COOPER Governor DIONNE DELU-GATTI NORTH CAROLINA EnWron ntal Quaaty July 27, 2021 The Keys at Kure Beach HOA, Inc Attn: Peter Beardsley, President 701 Sailor Court Kure Beach, NC 28449 Subject: Permit Renewal State Stormwater Management Permit No. SW8 940217 The Keys at Kure Beach and Kure Beach Villages Phase III New Hanover County Dear Mr. Beardsley: Effective August 1, 2013 the State Stormwater program has been transferred from the Division of Water Quality (DWQ) to the Division of Energy, Mineral and Land Resources (DEMLR). All previous references to DWQ will remain in older stormwater permits issued prior to August 1, 2013 until they are modified. Please note that this permit will now reference DEMLR as the Division responsible for issuance of the permit. The Wilmington Regional Office received a complete 8 year Stormwater Management Permit Renewal Application for the subject project on July 16, 2021. The Division is hereby notifying you that permit SW8 940217 has been renewed on July 27, 2021 and shall be effective until November 6, 2029. For your records, please find enclosed a renewed, updated, and re -issued permit and a copy of the renewal application. Please keep this permit on file at all times. Please note that the renewed, updated, and re -issued permit does not impose new or different terms; it merely restates some of the previous terns to provide you with a better understanding of your obligations under the permit The renewal and reissuance of this stormwater permit does not imply that the site is currently in compliance with the terms and conditions of this state stormwater permit The plans originally approved on March 16, 1994 and most recently renewed on June 26, 2013, will remain in full force and effect in accordance with the regulations set forth in Title 15A NCAC 2H.1000. This permit is subject to the conditions and limitations as specified therein. 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 transfer 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 150E of the North Carolina General Statutes and 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. If you have any questions, need additional copies of the permit or approved plans, please contact Ashley Smith in the Wilmington Regional Office, at (910) 796-7215 or ashleym.smith@ncdenr.gov. Sincerely, � —�/ 5�;Brian Wrenn Director Division of Energy, Mineral and Land Resources ®Nw ��� North Carolina Department of Environmental Quality I Division or Energy, Mineral and Land Resources Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington. North Carolina 211405 wwrHcu+oiva. 910.796.7215 State Stormwater Permit No. SW8 940217 Page 2 of 2 Enclosures: DES/ams: cc: Attachment C — Permitting History Renewal Application Documents \\\Stormwater\Permits & Projects\ 1 994\940217 HD\2021 07 permit 940217 Brad Sedgwick, PE; JBS Consulting, PA Wilmington Regional Office Stormwater File �. Wk ��. North Carolina Deparnnent of Environmental Quality I Division of Energy. Mineral and Land Resources Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington, North Carolina 28405 rnrx cuauw os.mnmr.+..im mm� 910.796.7215 State Stormwater Management Systems Permit No. SW8 940217 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF ENERGY, MINERAL AND LAND RESOURCES STATE STORMWATER MANAGEMENT PERMIT 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 The Keys at Kure Beach Homeowner's Association, Inc. New Hanover County FOR THE construction, operation and maintenance of stormwater management systems in compliance with the provisions of 15A NCAC 2H .1000, effective January 1, 1995 (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 (the "Division" or "DEMLR") and considered an enforceable part of this permit. This permit shall be effective from the date of issuance until November 6, 2029 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. The original permit conditions contained in the permit issued on November 6, 1995 remain in full force and effect, except as amended herein. (An additional copy of this original permit can be obtained from the Division, Wilmington Regional Office.) 3. This stormwater system has been approved for the management of stormwater runoff as described on page 2 of this permit, the Project Data Sheet. 4. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. Page 1 of 5 State Stormwater Management Systems Permit No. SW8 940217 5. The following design elements have been permitted for this wet detention pond stormwater facility, and must be provided in the system at all times: a. Drainage Area, acres: Onsite, ftz: Offsite, ftZ: b. Total Impervious Surfaces, ftz: Lots at bua per lot ftz:. Roads/Parking, ftZ: Sidewalks, ftz: Pool house / Rec. Area, ftz: Offsite, ftz: C. Pond Depth, feet: d. TSS removal efficiency: e. Design Storm: f. Permanent Pool Elevation, FMSL: g. Permitted Surface Area @PP, ftZ: h. Permitted Storage Volume, ft3: i. Temporary Storage Elevation, FMSL: j. Controlling Orifice, inches: k. Permanent Pool Volume, ft3: I. Forebay Volume, ft3: M. Maximum Fountain Horsepower: n. Receiving Stream / River Basin: o. Stream Index Number: P. Classification of Water Body: It. SCHEDULE OF COMPLIANCE 25.51 1,111,216 0 BUA 580,220 296,320 203,480 73,600 6,820 0 4.0 90% 1.0 14.35 59,850 57,935 15.30 3.0 214.024 N/A 3/4 Atlantic Ocean / Cape Fear 99 — (3) "SB" 1. Each of the lots in the subdivision will be limited to the amount of built -upon area indicated in the supporting calculations and per approved plans. 2. The permittee is responsible for verifying that the proposed home plans do not exceed the allowable built -upon area. Once the lot transfer is complete, the home plan may not be revised without approval from the permittee, and responsibility for meeting the built -upon area limit is transferred to the individual homeowner. 3. 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. 4. Decorative spray fountains are allowed in the pond, subject to the following criteria: a. The minimum permanent pool volume is 30,000 cubic feet. b. The fountain must draw its water from less than 2' below the permanent pool surface. C. Separated units, where the nozzle, pump and intake are connected by tubing, may be used only if they draw water from the surface in the deepest part of the pond. d. The fountain may not be placed into the forebay. e. The falling water from the fountain must be centered in the main pond, away from the shoreline. f. The maximum horsepower for a fountain in this pond is 3/4 horsepower. Page 2 of 5 State Stormwater Management Systems Permit No. SW8 940217 5. C] El The permittee will comply with the following schedule for construction and maintenance of the stormwater management system: a. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surfaces except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. The facilities must be properly maintained and operated at all times. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at the design condition including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. c. Mowing and revegetation of side slopes. d. Immediate repair of eroded areas. e. Maintenance of side slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping. 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. 9. Deed restrictions: Deed restrictions are not required for this subdivision. As shown on the approved plans, the maximum possible impervious area for the subdivision is 576,179 square feet which is below the permitted 580,220 square feet of impervious area that the pond can accommodate. 10. The facilities shall be constructed, operated and maintained in accordance with the provisions of this permit, the approved plans and specifications, and the supporting documents attached to this permit and on file with the Division. 11. 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. Mail the Certification to the Wilmington Regional Office, 127 Cardinal Drive Extension, Wilmington, North Carolina, 28405, attention Stormwater Section. Any deviations from the approved plans and specifications must be noted on the Certification. A modification may be required for those deviations. 12. Prior to transfer of the permit, a file review and site inspection will be conducted by Division personnel to ensure the permit conditions have been met and that the project and the on -site stormwater system complies with the permit conditions. Any repaired, replaced restored, or resolved prior to the transfer, performed to date may be requested. items not in compliance must be Records of maintenance activities Page 3 of 5 State Stormwater Management Systems Permit No. SW8 940217 13. No person or entity, including the permittee, shall alter any component shown in the approved plans and specifications. Prior to the construction of any modification to the approved plans, the permittee shall submit to the Director, and shall have received approval for modified plans, specifications, and calculations including, but not limited to, those listed below. For changes to the project or SCM that impact the certifications, a new or updated certification(s), as applicable, will be required and a copy must be submitted to the appropriate DEQ regional office upon completion of the modification. a. Any modification to the approved plans and specifications, regardless of size including the SCM(s), BUA, details, etc. b. Redesign or addition to the approved amount of BUA or to the drainage area. C. Further development, subdivision, acquisition, lease or sale of any, all or part of the project and/or property area as reported in the approved plans and specifications. d. Altering, modifying, removing, relocating, redirecting, regrading, or resizing of any component of the approved SCM(s), the stormwater collection system and/or vegetative conveyance shown on the approved plan. e. The construction of any allocated future BUA. f. Adding the option to use permeable pavement or #57 stone within the lots as a permeable surface. The request may require a proposed amendment to the deed restrictions and protective covenants for the subdivision to be submitted and recorded. g. The construction of any permeable pavement, #57 stone area, public trails, or landscaping material to be considered a permeable surface that were not included in the approved plans and specifications. h. Other modifications as determined by the Director. III. GENERAL CONDITIONS 1. Any individual or entity found to be in noncompliance with the provisions of a stormwater management permit or the requirements of the stormwater rules is subject to enforcement procedures as set forth in NCGS 143 Article 21. 2. The issuance of this permit does not preclude the permittee from complying with and obtaining any other permits or approvals that are required for this development to take place, as required by any statutes, rules, regulations, or ordinances, which may be imposed by any other Local, State or Federal government agency having jurisdiction. Any activities undertaken at this site that cause a water quality violation or undertaken prior to receipt of the necessary permits or approvals to do so are considered violations of NCGS 143-215.1, and subject to enforcement procedures pursuant to NCGS 143-215.6. 3. If the facilities fail to perform satisfactorily, the permittee shall take immediate corrective actions. This includes actions required by this Division and the stormwater rules such as the construction of additional or replacement on -site stormwater systems. These additional or replacement measures shall receive a permit from the Division prior to construction. 4. Permit Transfer: This permit is not transferable to any person or entity except after notice to and approval by the Director. The permittee shall submit a completed and signed "Permit Transfer Application Form" (available on the Division website) accompanied by the required fee and supporting documentation as listed on the form, to the Division at least 60 days prior to any one or more of the following events: a. The sale or conveyance of the project area in whole or in part, except in the case of an individual lot sale that is made subject to the recorded deed restrictions and protective covenants; b. The assignment or conveyance of declarant rights to another individual or entity; C. The sale or conveyance of the common areas to a Homeowners or Property Owner's Association, subject to the requirements of NCGS 143-214.7(c2), d. Dissolution of the partnership, corporate, or LLC entity, subject to NCGS 55-14-05 or NCGS 57D-6-07 and 08; e. Bankruptcy; f. Foreclosure, subject to the requirements of Session Law 2013-121; Page 4 of 5 State Stormwater Management Systems Permit No. SW8 940217 Current Permittee Name or Address Changes: The permittee shall submit a completed "Permit Information Update Application Form" (available on the Division website) to the Division within 30 days to making any one or more of the following changes: a. A name change of the current permittee; b. A name change of the project; C. A mailing address change of the permittee; 6. The permittee is responsible for compliance with all terms and conditions of this permit until the Division approves the transfer request. Neither the sale of the project, in whole or in part, nor the conveyance of common area to a third party constitutes an approved transfer of the permit. 7. The permittee grants Division Staff permission to enter the property during normal business hours to inspect all components of the permitted project. 8. The permit issued shall continue in force and effect until the permittee files a request with the Division for a permit modification, transfer, renewal, or rescission; however, these actions do not stay any permit conditions. 9. Approved plans, application documents, supplements, calculations, operation and maintenance agreement, and specifications for this project are incorporated by reference and are enforceable parts of the permit. A copy of this permit, application, supplements, operation and maintenance agreement, and approved plans and specifications shall be maintained on file by the permittee. 10. Unless specified elsewhere, permanent seeding requirements for the on -site stormwater system must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 11. 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 for cause as allowed by the laws, rules, and regulations contained in Title 15A NCAC 2H.1000 and NCGS 143-215.1 et.al. 12. A permit renewal request must be submitted at least 180 days prior to the expiration date of this permit. The renewal request must include the appropriate application, documentation and the processing fee as outlined in Title 15A NCAC 02H.1045(3). Permit renewed, updated and reissued this the 27th day of July 2021. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION t Brian -Wrenn, Director Division of Energy, Mineral and Land Resources By Authority of the Environmental Management Commission Page 5 of 5 Attachment C - Permitting History The Keys at Kure Beach and Kure Beach Village Phase III Permit No. SW8 940217 Approval Date Permit Action BIMS Version Description of the Changes 3/16/1994 Original Approval 10 II/6/1995 Revised 1.1 10/22/2009 Returned 4/23/2012 Renewal, Ownership Change, Modification 12 Deed Restrictions are not required; combines SW8 940217 and SW8 950814 (formerly Kure Beach Village Phase 111), which has been rescinded by a separate letter on April 23, 2102. 6/26/2013 Renewal 1.3 7/27/2021 Renewal 2.0 R.' f Wet Detention Basin Operation Permit Number: :jWO g40211 (to be provided by DWQ) Drainage Area Number: i 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. e This system (check one): ❑ does ® does not incorporate a vegetated filter at the outlet. o This system (check one): ❑ does ® does not incorporate pretreatment other than a forebay.-)k'* Th17-1 -0 Q;>sEQ0_1 s�cfS. 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 5 . .�' .r; � ,. ...I :l .. � 1� .�i .. .... it 1 �. ! nl � :!' ' :!. � 1 v. � � �. .rl .I i�, .i. . .. :�. 11. .. ... . ... a' 1� y'. 1� { '. i.� .1 1 r Permit Number: (Io 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 s ra 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 urface. .&-eut` C4~Fe D APR U 1 2010 BY: Form SW401-Wet Detention Basin O& vev41__. Page 2 of 5 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 33:0 feet in the main pond, the shall be removed. When the permanent pool depth reads _N/A feet in the forebay, the shall be removed. BASIN DIAGRAM (fill in the blankv) Permanent Pool Elevation 14.35 MSL Sediment Removal v Volume \ ----Sediment RemovaTEFevaiion ii33 MSL------ +Zin Bottom Elevation_ -ft Min. Sediment Bottom Elevation 10.35 MSL 1. Storage Sediment Storage FOREBAY+4- MAIN POND �'* rt{i5 PDU9 PR604TE5 Fov..�64.y QEQO�e�M�nt(s Form SW401-Wet Detention Basin O&M-Rev.4 Page 3 of 5 Permit Number: (to be provided by DWQ) Drainage Area Number: qo'p ti¢ Or ck Form SW40I-Wet Detention Basin O&M-Rev.4 Page 4 of 5 Permit N (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:Kure Beach Village Phase III and Keys at Kure Beach BMP drainage area number: Print name:Timothy J. Upton Title:President Address:701 Sailor Court, Kure Beach, NC 28448 Note: The legally responsible parry 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. day of I K)bic'#1Lb forgoing et detenti basin � V seal, An)_ t< r ::P��tNGq CY i FNOTARY��' •' ' Z PUBLIC U rn ? • ,t9 OVER GO SEAL Notary Public for the State of of A}/,W 1-16L" Ji/do hereby certify that �/ personally appeared before me this a and acknowledge the due execution of the My commission expires fz�V6� Witness my hand and official Form SW40I-Wet Detention Basin O&M-Rev.4 Page 5 of 5 Operations and Maintenance Verification I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed in the original Operations and Maintenance Agreement. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name:Bryan Strickland Address:701 Sailor Court Kure Beach, NC 28449 Phone:910-707-0296 Signature: Date: Z 42z 20/1- 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, 6 1 (-t cid KA� , a Notary Public for the State of A) i`° County of I)Eu) HA.U00Ete do hereby certify that r 0'YA 4 IQ 9 (C,Ve q J personally appeared before me this day of % rl3 9'�- , ao r' , and acknowledge the due execution of the forgoing stormwater BMP maintenance requirements. Witness my hand and official seal, Notary Signature: N 'y ?�pZARy U; : Z = mm My commission expires: 9 - d�- a C ( L Form SWU-102 ('Renewal Form) 'Rev 06May2010 Page 3 of N (iWATER C E o V E h AUG t 5 1"5 DBIt FROJ KURE BEACH VILLAGE - PHASE III STORMWATER MANAGEMENT SYSTEM OPERATION AND MAINTENANCE PROCEDURES The stormwater management system, to include but not limited to all swales, berms, infiltration and collection devices, stormwater detention pond, inlet and outlet structures shall be owned and operated by Kure Beach Village - Phase III Homeowner's Association. Operation and Maintenance shall include: 1. Establish and maintain vegetation by seeding, fertilizing, and mulching to achieve vigorous growth. 2. Mow all grassed areas, including vegetative filters, swales, basin banks, etc., monthly or as needed according to growing season. 3. Inspect all catch basins, ditches, swales, pipes or other stormwater diversion and conveyance structures monthly for accumulation of debris or sediment. Remove obstructions as necessary. 4. Inspect vegetated swales, wet detention pond side slopes. Inlet and outlet areas of diversion structures for sloughing, erosion, or washout of cover vegetation monthly and following precipitation events. Immediately repair and revegetate damaged areas. 5. Inspect stone rip rap or other energy dissipation devices monthly and following precipitation events. Reposition dislodged stone or add new stone as necessary. Repair structures as necessary. 6. Inspect outlet structure monthly and following precipitation events. Skim floating debris from area between trashguard and riser. Visually inspect outlet weir assembly. Remove accumulated deposits . of scale, algae, and floating debris by scouring with stiff bristled brush. 7. Notify N.C. Division of Environmental Management at (910)395-3900 if detention pond water level does not return to permanent pool elevation within five days following a precipitation event. 8. Measure detention pond bottom annually at sufficient points to monitor diment accumulation. Sediment shall be removed when avers iaccumul'ation of one (1) foot of sediment occurs. OWNER: � � C - DATE: \���N. NC)=1RRY��, _ r [ S r*J ,�• DATE: �I/ /S�' G - �:;AUri 1-�:' g ORMWATER THE KEYS OF KURE BEACH STORMWATER MANAGEMENT SYSTEM FEB 2 1 1994 OPERATION AND MAINTENANCE PROCEDURES -nT _S 4 ,V _ The stormwater management system, to include but not limited to all swales, berms, infiltration and collection devices, stormwater detention pond, inlet and outlet structures shall be owned and operated by The Keys of Kure Beach Homeowner's Associates. Operation and Maintenance shall include: 1. Establish and maintain vegetation by seeding, fertilizing, and mulching to achieve vigorous growth. 2. Mow all grassed areas, including vegetative filters, swales, basin banks, etc., monthly or as needed according to growing season. 3. Inspect all catch basins, ditches, swales, pipes or other stormwater diversion and conveyance structures monthly for accumulation of debris or sediment. Remove obstructions as necessary. 4. Inspect vegetated swales, wet detention pond side slopes. Inlet and outlet areas of diversion structures for sTToughing, erosion, or washout of cover vegetation monthly and following precipitation events. Immediately repair and revegetate damaged areas. 5. Inspect stone rip rap or other energy dissipation devices monthly and following precipitation events. Reposition dislodged stone or add new stone as necessary. Repair structures as necessary. 6. Inspect outlet structure monthly and following precipitation events. Skim floating debris from area between trashguard and riser. Visually inspect outlet weir assembly. Remove accumulated deposits of scale, algae, and floating debris by scouring with stiff bristled brush. 7. Notify N.C. Division of Environmental Management at (910)395-3900 if detention pond water level does not return to permanent pool elevation within five days following a precipitation event. 8. Measure detention pond bottom annually at sufficient points to monit sediment accumulation. Sediment shall be removed when av e cc mulation pff " (1) foot of sediment occurs OWNER: i'?`E% DATE: Stephen Miller 8O-1—PaoH-i—00art IOo9 licx-A 8/&, Sfe 1/4 W }mi en, N. C. 284,09- Carr olive tie---cA, NC Z 84Z? ( 458-39779 "1111191 AlA %u4.. ,o �N •.......... ?, cJ� 6/ -- �'' '•• Qy; 21�L _ oTA,P � c CO DATE: y resubm 1> ec� 3-i0-94 to/ cl�ed. State of North Carolina Department of Environment and Natural Resources Division of Energy Mineral and Land Resources (NCDENR DEMLR) STORMWATER MANAGEMENT PERMIT RENEWAL APPLICATION FORM I. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the North Carolina Department of Environment and Natural Resources (NCDENR) Division of Energy Mineral and Land Resources (DEMLR). A complete package includes all of the items listed below. The complete application package should be submitted to the appropriate DEMLR Regional Office. (The appropriate office may be found by clicking on the interactive online map at http://portal.ncdenr.org/web/guest/regional-offices. Copies of the original permit can be obtained from the Regional Office of the Division of Energy, Mineral and Land Resources.) This Renewal is for STORMWATER PERMIT #: SW SW8 940217 Please check which of the following permit renewal scenarios apply. Initial in the spaces provided that you have provided the required information. -$ A. Renewal Only: -$505 fee -Renewal Form - Sign and complete all sections (send original & 1 copy) -Recorded Documents Required By Permit: Deed restrictions, covenants, condominium/planned community declaration & easements (if not already submitted to NCDENR DEMLR). Copies are " OR acceptable. -Designer's Certification (if required by permit and not already received by NCDENR DEMLR) (See the %� last page of your permit for a copy of the certification form.) �r� -1 Have a Copy of the Current Operation and Maintenance Agreement (O&M): Please Keep this on File n /> with your permit. i/�K1`/_� -1 Do Not Have a Copy of the Current O&M: Initial This Line to Request a copy. (If NCDENR DEMLR does not have a copy on rile, then will be notified to submit a new O & M form.) you ❑ B. Renewal, and Modification: -$505 Fee and Pages 1 & 2,of.'this Renewal Form -SWU-101 Application Form (�hhh' portal.ncdenr.orp/webAvq/ws/su/statesw/forms docs) -Recorded ocuments Required By Permit: Deed restrictions, covenants, condominium/planned community_declaration &,easements (if not already submitted to NCDENR DEMLR):' Copies are acceptable? •,. - Under #ll '.1. on SWU,101 Application Form —Check Box for Modification w/Renewal -Designer's Certification (if required by permit and not already received by NCDENR DEMLR) (See the last page of your permit fo'r a.copy of the certification form.) - O&M Agreement (http://portal. ncdenr.orq/web/wq/ws/su/bmp-manual) ■❑ Request a NCDENR DEMLR site inspection if transferring permit to new property owner. Submit One of the Two Following Forms below (forms available at http://portal.ncdenr.oro/ Tmem, stormwater-forms dots). M L Form SWU-102 (Renewal Form) Rev. Oct. 31, 2013 Page 1 of4 JUL 16 2021 Chapter 47F of the General Statutes) ❑ D. Renewal, Modification, and Transfer (or Name Change): Please submit pages 1 and 2 of this Renewal form along with all Items listed In I. B. and C. above (check this box and initial items in B. & C. that you are submitting to NCDENR DEMLR). II. APPLICANT'S CERTIFICATION Note: The legally responsible parry is the current permittee and/or the legally responsible representative until such time that the permit is officially transferred through a request to DEMLR by the permittee. I, (print or type name of permittee or person legally responsible for the permit) Peter Beardsley certify that I have a copy of the DEMLR Approved Permit and O&M Agreement on -site (OR I have obtained a copy from DEMLR and it will be kept on site), that I am responsible for the performance of the maintenance procedures and the site has been, and will be, maintained according to the O & M Agreement. I agree to notify DEMLR of any problems with the system and prior to any changes to the system or changes in ownership I will (or have through this renewal application) notify NCDENR DEMLR and submit the proper forms to modify or transfer the permit. All information provided on this permit renewal application is, to the best of my knowledge, correct and complete. Permittee Title:President The Keys at Kure Beach HOA Inc. IvV 1MMlL 1IVIv. personally appeared before me this day of the forgoing stormwater BMP maintenance My commission e) Notary Signature: a Notary Public for the State of aN , and acknowledge the due execution of my hand and official seal, - 0 ;� W eb' t>L- JUL 16 2021 : NOTAAY m� My Z S11=24 U III. GENERAL INFORMATION 1. Stormwater Management Permit Number: SW8 940217 t-r 2. Permit Holder's name (specify the name of the corporation, individual, etc.): The Keys at Kure Beach HOA, Inc. 701 Sailor Court Kure Beach. NC 28449 - r - 4, Form SWU-102 (Renewal Form) Rev. Oct. 31, 2013 Page 2 of 4 ; 0 i 13. Print Owner/Signing Official's name and title (person legally responsible for permit): Peter Beardsley President 4. Mailing Address for person listed in item 2 above: 701 Sailor Court City:Kure Bech State:NC Zip:28449 Phone: (910 ) 262-2176 Email:sedderts ftrocketmaiI.com 5. Project Name: The Keys at Kure Beacch 6. Location of Project (street address): Fax: (N/A ) City:Kure Beach County:New Hanover Zip:28449 7. Directions to project (from nearest major intersection): Cross over Snow's Cut in southern New hanover County on US Hwy 421 proceed south to Kure Beach Villiage Way, turn right, proceed to Sailor Court. Pond is on the left. lG. , JUL 16 2021 IV. PERMIT INFORMATION: By; 1. Specify the type of stormwater treatment: ❑Constructed Wetland ❑Bioretention ®Wet Detention Pond []Dry Detention Basin ❑Infiltration Basin ❑Infiltration Trench ❑Sand Filter []Other: 2. If any changes were made to the original DEMLR approved project list them in the space below (attach additional pages if needed and provide "As -Built" drawings with this application). If major changes have been made to your project please request a plan revision or modification of the permit and submit "As Built" drawings along with a final Form SWU-102 (Renewal Form) Rev. Oct. 31, 2013 Page 3 of Designer Certification Forms are available from each NCDENR DEMLR Regional Office. No major changes noted since renewal was completed in April, 2012. ASsbuilt drawing attached has been verified by the engineer and the drawing has been resealed. There are NO changes since drawing was accepted by NCDENR on April 23, 2012 0 W Or- ! JUL 16 2021 BY: Form S WU-102 (Renewal Form) Rev. Oct. 31, 2013 Page 4 of 4 Permit No. (to be provided by DWD) ®4/ WA NCDENR Project name Contact person Phone number Dale Drainage area number o�C'F W A r f-? 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 (Pad ill) must be punted, filled out and submitted a" with all of the required information. March 19. 2010 Kum Beach II. DESIGN INFORMATION Site Characteristics Drainage area 1,111,216 f? Impervious area, post -development 580.220y1' %impervious 52.21 % Design rainfall depth 1.0 (1988 studs).. in Storage Volume: Non -SA Waters Minimum volume required Volume provided Storage Volume: SA Waters 1.5' runo# volume Pm -development 1-yr, 24-hr runoff Post -development 1-yr, 24-hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the prefpost control of the tyr 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 Post -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 perm. pool elevation) Top of 10fl vegetated shelf elevation Bottom of tOfl vegetated shelf elevation Sediment deanout, lop elevation (bottom of pond) Sediment deanout, bottom elevation Sediment storage provided Is there additional volume stored above the state -required temp. pool? Elevation of the top of the additional volume 56,974,fl7 57,935 ft' N/A:ft3 fit' fit' it, fta N (1988 surds.) (Y or N) in (unitless) (unitless) ruhr N/A flslsCC N/A fl3/sec ' fl'/seC 15.30"fmsl 14.35' hnsl 13.5' e/- fmsl N/A fast N/A hnsl 11.35' hnsl 10.35' fmsl It N (Y or N) IN #VALUE] OK, volume provided is equal to or in excess of volume required. #VALUEI Form SW401-Wet Detenean Bes n-Rev.8-9/17/09 Pens I. a II. Design Summary, Page 1 ol2 Permit (to be pmvded by DWD) II. DESIGN INFORMATION Surface Areas ., Area, temporary pool ;1 59,850'it' Aria REQUIRED, pennumerd pool 50, Z43 ftz iSAIDA ratio 0. o4.42 _ 1(unifless) Area PROVIDED, pemmanent pool, A,_. 59,850ft` OK Area, bottom of 1011 vegetated shelf, Am ea N/A 11` Area, sediment deanoul, lop elevation (bottom of pond), Am cae 51,367 f? Volumes Volume, temporary pool 57,935 ftl OK Volume, permanent pool, Vre„ Pel 166,660,fta Volume, forebay (sum of fombays 9 more than one forebay) NIA; it' Forebay % of permanent pool volume NIA % SAIDA Table Data Design TSS removal 90 % Coastal SAIDA Table Used? Y (Y or N) Mountain/Piedmont SAIDA Table Used? N/A (Y or N) SAIDA ratio 0. 0¢5- - (unifless) Average depth (used in SAIDA table): Calculation option 1 used? (See Figure 10-2b) N/A '(Y or N) Volume, permanent pool, Vpa,,,ym 166,660 fit, Area provided, permanent pool, Ate,,, w 59,850 ft` Average depth calculated 4.0" It Average depth used in SAIDA, it., (Round to nearest 0.511) 4.0" it Calculation option 2 used? (See Figure 10-21g) N/A (Y or N) Area provided, permanent pool, A.-" 59,850 It, Area, bottom of 10ft vegetated shelf, It` Area, sediment deanout, top elevation (bottom of pond), Aw.� 51,367 fe 'Depth' (distance War bottom of IN shelf and top of sediment) #VALUE! It Average depth calculated it Average depth used in SAIDA, da„ (Round to nearest 0.5ft) It Drewdown Calculations Drewdown through orifice? _ Y l(Y or N) Diameter of orifice (t circular) 3.25 in Area of orifice (if-noncimular) in Coefficient of discharge (Co) 0.60 (uni0ess) Driving head (Ho) 0.30 it Drawdown through weir? (Y or N) Weir type (unittess) Coefficient of discharge (C,) (unless) Length of weir(L) it Driving head (H) i -ft Pre -development 1-yr, 24-hr peak flow N/A. ft'/sec Post -development 1-yr, 24-hr peak flow - N/A, ft3/sec Storage volume discharge rate (through discharge orifice or weir) 0.1695 (AVG.) ft3/sec Storage volume drawdown fime 3.90. days Additional Information Vegetated side slopes Vegetated shelf slope Vegetated shelf width Length of flowpath to width ratio Length to width ratio Trash rack for overflow S orifice? Freeboard provided Vegetated filler provided? Recorded drainage easement provided? Capures all runoff at ultimate butldout? Drain mechanism for maintenance or emergencies is: ,�- ZA/G1.u0E5 SED('1EMf SToltA(�£ — oLD FIETNODOL04y 199R REVS. OK, draws down in 2-5 days. 3.:1 Of N/A :1 OK N/A ft OK Z•54 :1 Y (Y or N) OK 1.7It OK NIA '(Y or N) OK CommonAma (Y or N) OK Y (Y or N) OK Vanual Pump Out Form SW401-Wet Detenban Basin-Re,11-w17A9 Pans I. a It. Design Summary, Page 2 of 2 ri ure iu-co *Vegetation not shown da,,: Average depth of permanent pool to use in the SAlDA tables (ft) **Freeboard & hardened Option 1: day = Vpdm_poor emergency overflow 9vs _veer not shown 10.25x Option 2: dam.= l+ ***S4desdope sta8idized t per FE judgment Temporary pool Permanent pool Outlet above Bottom of vegetated shelf temporary pool** Bottom of pond (Sediment clean -out top elevation) Outlet orifice Sediment clean -out I I bottom elevation Side slo Aj,a_: rty )]+[(Ate a g 24a pth e *** Side slope 3:1 Vegetated* f�i Forebay Side slopes shelf -.2:1 1Oft, 10:1 w y: ,% I. , I Sfty`�. IF'orebayB erm, Sedimeit storage (mm .F;ft), 1 , ' � 1 � Depth: 'Distance,between_bottom'ofshelf5and;bo,ttom''ofpond,(excludes,sediment)'(ft) N Surface area,at bottom46`f shelf;(mcludes4mam=pond3&,fore8ay(s)}A (ft2)` Sur`face area,at;permanent,p'o,ol (iricludes mam`pond-,�@ forebay,(s))p(ft?) O Ab,t�,na: ;Sur`face-area at?bottom,ofpond excluding lsedime nt storage,(main pond orily)�(ft2) � t � YAQ Vm���'S Volume oflpermanent pool includes mom pond forebay(s) ,excludes "sediment) (t; 1 1 : ,l zw 10 80 Figure 3-2b: Determining Orifice Driving Head, Two Outlet Structure Configurations Overflow Weu' Overflow R%eu' (Higher than Temp Pool;) (At top of Temp Pool) Temporary Pool Contauwrg \ \ Additional Volilinegiv Head on Orifice,H ....7 Head on Orifice,H......'."_............... Drivvrg Head,Ho H/3-" o�oti � � gad Dnvmg Head,Ho H/3..... Permit (to be provided by DWQ) III. REQUIRED ITEMS CHECKLIST Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a requirement has not been met, attach justification. Page/ Plan Initials Sheet No. l}_ 45-r3u/L'f 1 Sac'L.*f wU eu 4MCA6a Arty wNEYE 4QUIe6n 13V OZI&Ir1A1, "PI CAIT- Sur3kvl r rIA i. i A5130lif SNowN VUE7 E At'Y 015LE 85tf N/A �N ,QS-f3UlL1 S Id As-t3urcr Plans (1" - 50' or larger) of the entire site showing: 9,. - Design at ultimate build-out,�OL Off drainage �" g ••., OL j'. - -site (if applicable),g� - Delineated drainage basins (include Rational C coefficient per basin), - Basin dimensions, L B - Pretreatment system, - E a f° L ' 3 - High flow bypass system, t. B987 , Maintenance access, p •.• M,; I ; �`' A', - Proposed drainage easement and public right of way (ROW), fps'••..-• •_-, `V - Overflow device, and - Boundaries of drainage easement. 'ell Zi'I u 2. Partial plan (1' = 30' or larger) and details for the wet detention basin showing: NC - Outlet structure with trash rack or similar, - Maintenance access, - Permanent pool dimensions, Forebay hardened - and main pond with emergency spillway, - Basin cross-section, ' - Vegetation specification for planting shelf, and o - Filter strip. 3. Section view of the wet detention basin (1" = 20' or larger) showing: O - Side slopes, 3:1 or lower, - Pretreatment and treatment areas, and - Inlet and outlet structures. If the basin is used for sediment and erosion control during construction, clean out of the basin is specified on the plans prior to use as a wet detention basin, 5. A table of elevations, areas, incremental volumes & accumulated volumes for overall pond and for forebay, to verify volume provided. 6. A construction sequence that shows how the wet detention basin will be protected from sediment until the �i� A5'l3U/Gr entire drainage area is stabilized. 7. The supporting calculations. 8s>< TYA(f/ED 8. A copy of the signed and notarized operation and maintenance (0&M) agreement. AWN 4440,v' 9. A copy of the deed restrictions (if required). 10. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. County soil maps are not an acceptable source of soils information. Form SW401-Wet Detention Basin-Rev.8-9/17/09 Part III. Required Items Checklist, Page 1 of 1 >.iJ1 .n •. .:t A... • w; 1•�. i� n .� J�1�. • \ . 1 rt �r � � i • �... .� .� r. s. .I� . State Stormwater Management Systems Permit No. SW8 940217 the Keys 9 Kure Beach= -`- Stoimwater Project No=940217---j New Hanover County Engineer's Certification I, �eP!/ 'r d/«. � 'Tr • F , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/ ) the construction of the project, for 7—h.. i�ey %a �rc f cy D,Q Z c • (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. Signature.,.. 0„�1oQ .5 /W,92 Registration Number Date /D�/�1D9 rfCy;) CA 4 OC 8Y; 2009 7 State Stormwater Management Systems Permit No. SWS 940217 The Keys @ Kure Beach G� Stormwater Project No. 940217 New Hanover County Engineer's Certification I, ePa ,P A//« Tr. PF , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/vsilpWORM) the construction of the project, �T'�ie Keys ���� BeseH (project) for T v /&W Z�c : (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. Sign,srrre.,. Q 5 /W t l ��_ Registration Number Date /0�/�1D9 C.4qOl:ti 7 State Stormwater Management Systems Permit No. SW8 950814 Kure Beach Village Phase III `:�2 Stormwater Project No-95Q8I4j New Hanover County Engineer's Certification I, 1TEPN S• 9/1-1- .T. PE , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the Project, Lre 3L4CN l// ��A F!q E �L _/% (P-tpject) for Zbe eys/c�/tu�[ �Ce a fiDA T c • (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project constriction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. Signature ` �,l Registration Number bQ3Z Date /0 �.�!Es Srog4i ti n SEAL`iir% a . vltiE ~Fph 22 1,ao9 7. / Y , State Stocmwater Management Systems Permit No. SW8 950814 Kure Beach Village Phase III Stormwater Project No. 950814 New Hanover County Engineer's Certification I, lT EPN S• V/LL f Tr. as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (Periodically/weekly/full time) the construction of the Project, for "f Eeys/���n L� a f/W irc • (Project Owner) hereby state that, to the best of my abilities, due care and ' gene 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. Signature S Registration NumberZ Date /0 22 1p09 b 7. W M e �1 t Y e \ \ �� �® a ®`` � � . ■ § 2§« g. � . . ..�=y»... . . .. .. its- . ml 05 12 m 0 We.