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SW8200608_Current Permit_20201112
ROY COOPER ' t Governor MICHAEL S.REGAIN r Secretarya "" ' BRIAN WRENN NORTH CAROLINA Director Environmental Qurii ty November 12,2020 McPherson Marine Services,LLC Attn:Jesse McPherson,Owner/Member 101 North Atlantic Ave Southport,NC 28461 Subject: State Stormwater Management Permit No.SW8 200608 McPherson Marine Shop High Density Project Brunswick County Dear Mr.McPherson: The Wilmington Regional Office received a complete, State Stormwater Management Permit Application for the subject project on October 20,2020. Staff review of the plans and specifications has determined that the project, as proposed, complies with the Stormwater Regulations set forth in Title 15A NCAC 02H.1000 amended on January 1,2017(2017 Rules). We are hereby forwarding Permit No. SW8 200608 dated November 12,2020,for the construction of the built-upon areas(BUA)and stormwater control measures(SCMs)associated with the subject project. This permit shall be effective from the date of issuance until November 12,2028 and the project shall be subject to the conditions and limitations as specified therein and does not supersede any other agency permit that may be required. Failure to comply with these requirement will result in future compliance problems.Please note that this permit is not transferable except after notice to and approval by the Division. This cover letter, attachments,and all documents on file with DEMLR shall be considered part of this permit and is herein incorporated by reference. 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 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 concerning this permit,please contact Ted Triantis in the Wilmington Regional Office, at(910)796-7215 or ted.triantis@ncdenr.gov. Sincerely, • Brian Wrenn,Director Division of Energy,Mineral and Land Resources Enclosures: Attachment A—Designer's Certification Form Application Documents DES/tjt: \\1Stormwater\Permits&Projects\2020\200608 HD12020 11 permit 200608 cc: J.Phillip Norris,PE;Norris and Tunstall Consulting Engineers P.C. Brunswick County Engineering Wilmington Regional Office Stormwater File pte6lyr-74 North Carolina Department of Environmental Quality I Division of Energy.Mineral and Land Resources ) Wilmington Regional Office 1127 Cardinal Drive Extension I Wilmington.North Carolina 28405 OR1I CAROLINA awano+tra_ irnin 910.796.7215 State Stormwater Management Permit No. SW8 200608 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF ENERGY, MINERAL AND LAND RESOURCES STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In compliance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations promulgated and adopted by the North Carolina Environmental Management Commission, including 15A NCAC 02H.1000 amended on January 1, 2017 (2017 Rules) (the "stormwater rules"), PERMISSION IS HEREBY GRANTED TO McPherson Marine Services, LLC McPherson Marine Shop E. Moore Street, Southport, Brunswick County FOR THE construction, management, operation and maintenance of built-upon area (BUA) draining to one (1) Wet Detention Pond ("stormwater control measures" or"SCMs") as outlined in the application. approved stormwater management plans, supplement, calculations, operation and maintenance agreement, recorded documents, specifications, and other supporting data (the "approved plans and specifications") as attached and/or on file with and approved by the Division of Energy, Mineral and Land Resources (the "Division" or"DEMLR"). The project shall be constructed, operated and maintained in accordance with these approved plans and specifications. The approved plans and specifications are incorporated by reference and are enforceable part of this permit. This permit shall be effective from the date of issuance until November 12, 2028 and shall be subject to the following specified conditions and limitations. 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 condition. 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. 1. BUA REQUIREMENTS. The maximum amount of BUA allowed for the entire project is 45,884 square feet. The runoff from all BUA within the permitted drainage area of this project must be directed into the permitted SCM. The BUA requirements and allocations for this project are as follows: a. SCM BUA LIMITS. The SCM has been designed using the runoff treatment method to handle the runoff from 45,884 square feet of BUA within the delineated drainage area. This permit does not provide any allocation of BUA for future development within the delineated drainage area. 2. PERVIOUS AREA IMPROVEMENTS. At this time, none of the pervious area improvements listed in G.S. 143-214.7(b2) or the Stormwater Design Manual have been proposed for this project. Pervious area improvements will be allowed in this project if documentation is provided demonstrating those improvements meet the requirements of the stormwater rule. Page 1 of 5 State Stormwater Management Permit No. SW8 200608 3. SCM REQUIREMENTS. The SCM requirements for this project are as follows: a. SCM DESIGN. The SCM is permitted based on the design criteria presented in the sealed, signed and dated supplement and as shown in the approved plans and specifications. This SCM must be provided and maintained at the design condition. b. PLANTING PLAN. The SCM landscape planting plan shown in the approved plans shall be followed in its entirety during construction. After the plants are established, the operation and maintenance agreement must be followed. c. FOUNTAINS. At this time, a decorative spray fountain has not been proposed within the wet pond. Decorative spray fountains will be allowed in the wet pond if documentation is provided demonstrating that the proposed fountain will not cause resuspension of sediment within the pond or cause erosion of the pond side slopes. d. IRRIGATION. If the wet pond is to be used for irrigation, it is recommended that some water be maintained in the permanent pool, the vegetated shelf is planted with appropriate species that can handle fluctuating conditions, and human health issues are addressed. 4. STORMWATER OUTLETS. The peak flow from the 10-year storm event shall not cause erosion downslope of the discharge point. 5. VEGETATED SETBACKS. A 50-foot wide vegetative setback must be provided and maintained in grass or other vegetation adjacent to all surface waters as shown on the approved plans. The setback is measured horizontally from the normal pool elevation of impounded structures, from the top of bank of each side of streams or rivers, and from the mean high waterline of tidal waters, perpendicular to the shoreline. a. BUA IN THE VEGETATED SETBACK. BUA may not be added to the vegetated setback except as shown on the approved plans. b. RELEASE OF STORMWATER NOT TREATED IN AN SCM. Stormwater that is not treated in an SCM must be released at the edge of the vegetated setback and allowed to flow through the setback as dispersed flow. 6. RECORDED DOCUMENT REQUIREMENTS. The stormwater rules require the following documents to be recorded with the Office of the Register of Deeds a. ACCESS AND/OR EASEMENTS. The entire stormwater conveyance system, including any SCMs, and maintenance accesses must be located in public rights-of-way, dedicated common areas that extend to the nearest public right-of-way, and/or permanent recorded easements that extend to the nearest public right-of-way for the purpose of inspection, operation, maintenance, and repair. b. OPERATION AND MAINTENANCE AGREEMENT. The operation and maintenance agreement must be recorded with the Office of the Register of Deeds. c. FINAL PLATS. The final recorded plats must reference the operation and maintenance agreement and must also show all public rights-of-way, dedicated common areas, and/or permanent drainage easements, in accordance with the approved plans. d. DEEDS. The permittee shall record deed restrictions and protective covenants prior to the issuance of a certificate of occupancy to ensure the permit conditions and the approved plans and specifications are maintained in perpetuity. 7. CONSTRUCTION. During construction, erosion shall be kept to a minimum and any eroded areas of the on-site stormwater system will be repaired immediately. a. PROJECT CONSTRUCTION, OPERATION AND MAINTENANCE. During construction, all operation and maintenance for the project shall follow the Erosion Control Plan requirements until the Sediment-Erosion Control devices are converted to SCMs or no longer needed. Once the device is converted to a SCM, the permittee shall provide and perform the operation and maintenance as outlined in the applicable section below. Page 2 of 5 State Stormwater Management Permit No. SW8 200608 b. SCM RESTORATION. If one or more of the SCMs are used as an Erosion Control device and/or removed or destroyed during construction, it must be restored to the approved state stormwater design condition prior to close-out of the erosion control plan and/or project completion and/or transfer of the state stormwater permit. Upon restoration, a new or updated certification will be required for the SCM(s) and a copy must be submitted to the appropriate DEQ regional office. 8. MODIFICATIONS. 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), stormwater collection system and/or vegetative conveyance shown on the approved plan. e. The construction of any allocated future BUA. f. 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. g. Other modifications as determined by the Director. 9. DESIGNER'S CERTIFICATION. Upon completion of the project, the permittee shall determine if the project is in compliance with the approved plans and take the necessary following actions: IJC the 'll._._ determines that the L 1:._...,__ with 1 1_ 1_ a. l l t Ie per I I Ii ee deter mines t Ie project is in compliance wit I the approved plans, nevi within 45 days of completion, the permittee shall submit to the Division one hard copy and one electronic copy of the following: i. The completed and signed Designer's Certification provided in Attachment A noting any deviations from the approved plans and specifications. Deviations may require approval from the Division; ii. A copy of the recorded operation and maintenance agreement; iii. Unless already provided, a copy of the recorded deed restrictions and protective covenants; and iv. A copy of the recorded plat delineating the public rights-of-way, dedicated common areas and/or permanent recorded easements, when applicable. b. If the permittee determines that the project is not in compliance with the approved plans, the permittee shall submit an application to modify the permit within 30 days of completion of the project or provide a plan of action, with a timeline, to bring the site into compliance. 10. OPERATION AND MAINTENANCE. The permittee shall provide and perform the operation and maintenance necessary, as listed in the signed operation and maintenance agreement, to assure that all components of the permitted on-site stormwater system are maintained at the approved design condition. The approved operation and maintenance agreement must be followed in its entirety and maintenance must occur at the scheduled intervals. a. CORRECTIVE ACTIONS REQUIRED. If the facilities fail to perform satisfactorily, the permittee shall take immediate corrective actions. This includes actions required by the 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. b. MAINTENANCE RECORDS. Records of maintenance activities must be kept and made available upon request to authorized personnel of the Division. The records will indicate the date, activity, name of person performing the work and what actions were taken. Page 3 of 5 State Stormwater Management Permit No. SW8 200608 11. PERMIT RENEWAL. 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 15A NCAC 02H.1045(3). 12. CURRENT PERMITTEE NAME OR ADDRESS CHANGES. The permittee shall submit a completed Permit Information Update Application Form 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. 13. TRANSFER. This permit is not transferable to any person or entity except after notice to and approval by the Director. Neither the sale of the project and/or property, in whole or in part, nor the conveyance of common area to a third party constitutes an approved transfer of the permit. a. TRANSFER REQUEST. The transfer request must include the appropriate application, documentation and the processing fee as outlined in 15A NCAC 02H.1045(2) and must be submitted upon occurrence of any one or more of the following events: i. The sale or conveyance of the project and/or property area in whole or in part ii. Dissolution of the partnership, corporate, or LLC entity, subject to NCGS 55-14-05 or NCGS 57D-6-07 and 08; iii. Bankruptcy; iv. Foreclosure, subject to the requirements of Session Law 2013-121; b. TRANSFER INSPECTION. 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. Records of maintenance activities performed to date may be requested. Projects not in compliance with the permit will not be transferred until all permit and/or aeneral statute conditions are met. 14. COMPLIANCE. The permittee is responsible for complying with the terms and conditions of this permit and the approved plans and specifications until the Division approves the transfer request. a. REVIEWING AND MONITORING FOR COMPLIANCE. The permittee is responsible for verifying that the proposed BUA within each drainage area and for the entire project does not exceed the maximum amount allowed by this permit. The permittee shall review and routinely monitor the project to ensure continued compliance with the conditions of the permit, the approved plans and specifications. b. APPROVED PLANS AND SPECIFICATIONS. A copy of this permit, approved plans, application, supplement, operation and maintenance agreement, all applicable recorded documents, and specifications shall be maintained on file by the permittee at all times. c. DIVISION ACCESS. The permittee grants Division Staff permission to enter the property during normal business hours to inspect all components of the permitted project. d. ENFORCEMENT. 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. e. OBTAINING COMPLIANCE. 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 modified plans and certification in writing to the Director that the changes have been made. Page 4 of 5 State Stormwater Management Permit No. SW8 200608 f. OTHER PERMITS. The issuance of this permit does not preclude the permittee from obtaining and complying with any and all other permits or approvals that are required for this development to take place, as required by any statutes, rules, regulations, or ordinances, which are 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. Permit issued this the 12th day of November 2020. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION ajoviv\ii ?ILU AT,Brian Wrenn, Director Division of Energy, Mineral and Land Resources By Authority of the Environmental Management Commission Permit Number SW8 200608 Page 5 of 5 State Stormwater Management Permit No. SW8 200608 Attachment A Certification Forms The following blank Designer Certification forms are included and specific for this project: • As-Built Permittee Certification • As-Built Designer's Certification General MDC • As-Built Designer's Certification for Wet Detention Pond Project A separate certification is required for each SCM. These blank certification forms may be copied and used, as needed, for each SCM and/or as a partial certification to address a section or phase of the project. Page 1 of 1 State Stormwater Management Permit No. SW8 200608 AS-BUILT PERMITTEE CERTIFICATION I hereby state that I am the current permittee for the project named above, and I certify by my signature below, that the project meets the below listed Final Submittal Requirements found in NCAC 02H.1042(4) and the terms, conditions and provisions listed in the permit documents, plans and specifications on file with or provided to the Division. n Check here if this is a partial certification. Section/phase/SCM*? Al Check here if this is part of a Fast Track As-built Package Submittal. Printed Name Signature , a Notary Public in the State of County of , do hereby certify that personally appeared before me this day of , 20 and acknowledge the due execution of this as-built certification. (SEAL) Witness my hand and official seal My commission expires Permittee's Certification NCAC .1042(4) Completed/ N/A Provided A. DEED RESTRICTIONS/ BUA RECORDS 1. The deed restrictions and protective covenants have been recorded Y or N and contain the necessary language to ensure that the project is maintained consistent with the stormwater regulations and with the permit conditions. 2. A copy of the recorded deed restrictions and protective covenants Y or N has been provided to the Division. 3. Records which track the BUA on each lot are being kept. (See Note Y or N 1) B. MAINTENANCE ACCESS 1. The SCMs are accessible for inspection, maintenance and repair. Y or N 2. The access is a minimum of 10 feet wide. Y or N 3. The access extends to the nearest public right-of-way. Y or N C. EASEMENTS 1. The SCMs and the components of the runoff collection /conveyance Y or N system are located in recorded drainage easements. 2. A copy of the recorded plat(s) is provided. Y or N D. SINGLE FAMILY RESIDENTIAL LOTS m Plats for residential lots that Y or N have an SCM include the following: 1. The specific location of the SCM on the lot. Y or N 2. A typical detail for the SCM. Y or N 3. A note that the SCM is required to meet stormwater regulations and that the lot owner is subject to enforcement action as set forth in Y or N NCGS 143 Article 21 if the SCM is removed, relocated or altered without prior approval. E. OPERATION AND MAINTENANCE AGREEMENT Y or N 1. The O&M Agreement is referenced on the final recorded plat. Y or N 2. The O&M Agreement is recorded with the Register of Deeds and Y or N appears in the chain of title. F. OPERATION AND MAINTENANCE PLAN—maintenance records are being kept in a known set location for each SCM and are available for Y or N review. G. DESIGNER'S CERTIFICATION FORM —has been provided to the Y or N Division. Page 1 of 6 State Stormwater Management Permit No. SW8 200608 Note 1-Acceptable records include ARC approvals, as-built surveys, and county tax records. Provide an explanation for every requirement that was not met, and for every "N/A" below. Attach additional sheets as needed. Page 2 of 6 State Stormwater Management Permit No. SW8 200608 AS-BUILT DESIGNER'S CERTIFICATION GENERAL MDC I hereby state that I am a licensed professional and I certify by my signature and seal below, that I have observed the construction of the project named above to the best of my abilities with all due care and diligence, and that the project meets the below listed General MDC found in NCAC 02H.1050 in accordance with the permit documents, plans and specifications on file with or provided to the Division, except as noted on the "AS-BUILT" drawings, such that the intent of the stormwater rules H and statutes has been preserved. Check here if this is a partial certification. Section/phase/SCM #? Check here if this is a part of a Fast-Track As-Built Package Submittal per .1044(3). Check here if the designer did not observe the construction, but is certifying the project. Check here if pictures of the SCM are provided. Printed Name Signature NC Registration Number Date Consultant's Mailing Address: SEAL: City/State/ZIP Phone Number Consultant's Email address: 0 Circle N if the as-built value differs from the Plan. If N is circled, provide an explanation on Page 2. ON/E = not evaluated (provide explanation on page 2) ON/A= not applicable to this SCM or project. Consultant's Certification NCAC .1003((3) &General MDC OAs-built ONIE OO N/A .1050 A. TREATMENT REQUIREMENTS 1. The SCM achieves runoff treatment. Y or N 2. The SCM achieves runoff volume match. Y or N 3. Runoff from offsite areas and/or existing BUA is Y or N bypassed. 4. Runoff from offsite areas and/or existing BUA is directed Y or N into the permitted SCM and is accounted for at the full build-out potential. 5. The project controls runoff through an offsite permitted Y or N SCM that meets the requirements of the MDC. 6. The net area of new BUA increase for an existing project Y or N has been accounted for at the appropriate design storm level. 7. The SCM(s) meets all the specific minimum design Y or N criteria. B. VEGETATED SETBACKS I BUA 1. The width of the vegetated setback has been measured I Y or N from the normal pool of impounded waters, the MHW line of tidal waters, or the top of bank of each side of rivers or streams. 2. The vegetated setback is maintained in grass or other Y or N vegetation. 3. BUA that meets the requirements of NCGS 143-214.7 Y or N (b2)(2) is located in the setback. Page 3 of 6 State Stormwater Management Permit No. SW8 200608 4. BUA that does not meet the requirements of NCGS 143- Y or N 214.7 (b2)(2) is located within the setback and is limited to: a. Publicly funded linear projects (road, greenway sidewalk) b. Water-dependent structures c. Minimal footprint uses (utility poles, signs, security lighting and appurtenances) 5. Stormwater that is not treated in an SCM is released at Y or N the edge of the setback and allowed to flow through the setback as dispersed flow. OAs-built OO N/E OO N/A C. STORMWATER OUTLETS—the outlet handles the peak Y or N flow from the 10 year storm with no downslope erosion. D. VARIATIONS 1. A variation (alternative) from the stormwater rule Y or N provisions has been implemented. 2. The variation provides equal or better stormwater control Y or N and equal or better protection of surface waters. E. COMPLIANCE WITH OTHER REGULATORY PROGRAMS Y or N has been met. F. SIZING -the volume of the SCM takes the runoff from all surfaces into account and is sufficient to handle the required Y or N storm depth. G. CONTAMINATED SOILS—infiltrating SCM's are not Y or N located in or on areas with contaminated soils. H. SIDE SLOPES 1. Vegetated side slopes are no steeper than 3H:1V. Y or N 2. Side slopes include retaining walls, gabion walls, or Y or N other surfaces that are steeper than 3H:1V. 3. Vegetated side slopes are steeper than 3H:1V(provide Y or N supporting documents for soils and vegetation). I. EROSION PROTECTION 1. The inlets do not cause erosion in the SCM. Y or N 2. The outlet does not cause erosion downslope of the Y or N discharge point during the peak flow from the 10 year storm. J. EXCESS FLOWS—An overflow/bypass has been provided. Y or N K. DEWATERING—A method to drawdown standing water has Y or N been provided to facilitate maintenance and inspection. L. CLEANOUT AFTER CONSTRUCTION —the SCM has been Y or N cleaned out and converted to its approved design state. M. MAINTENANCE ACCESS 1. The SCM is accessible for maintenance and repair. Y or N 2. The access does not include lateral or incline slopes Y or N >3:1. N. DESIGNER QUALIFICATIONS (FAST-TRACK PERMIT)— The designer is licensed under Chapters 89A, 89C, 89E, or Y or N 89F of the General Statutes. Provide an explanation for every MDC that was not met, and for every item marked "N/A" or"N/E", below. Attach additional pages as needed: Page 4 of 6 State Stormwater Management Permit No. SW8 200608 AS-BUILT DESIGNER'S CERTIFICATION FOR WET DETENTION POND PROJECT I hereby state that I am a licensed professional and I certify by my signature and seal below, that I have observed the construction of the project named above to the best of my abilities with all due care and diligence, and that the project meets all of the MDC found in NCAC 02H.1053, in accordance with the permit documents, plans and specifications on file with or provided to the Division, except as noted on the "AS-BUILT" drawings, such that the intent of the stormwater rules and the general H statutes has been preserved. Check here if this is a partial certification. Section/phase/SCM #? Check here if this is part of a Fast-Track As-Built Package Submittal per .1044(3). Check here if the Designer did not observe the construction, but is certifying the project. Check here if pictures of the SCM are provided. Printed Name Signature NC Registration Number Date Consultant's Mailing Address: SEAL: City/State/ZIP Phone Number Consultant's Email address: O Circle N if the as-built value differs from the Plan/permit. If N is circled, provide an explanation on page 2 ON/E = not evaluated (provide explanation on page 2) OO N/A= not applicable to this project or SCM. This Certification must be completed in conjunction with the General MDC certification under NCAC 02H.1050 Consultant's Certification (MDC .1053) I ®As-built ON/E OO N/A A. Forebay I Depths I Fountain 1. The available Sediment storage is consistent with the Y or N approved plan and is a minimum of 6 in. 2. Water flow over the forebay berm into the main pond Y or N occurs at a non-erosive velocity. 3. The provided Forebay Volume is 15%-20% of the main Y or N pool volume. 4. The Forebay entrance elevation is deeper than the exit Y or N elevation into the pond. 5. The Average Design Depth of the main pond below the permanent pool elevation is consistent with the permitted Y or N value? 6. Fountain documentation is provided. Y or N B. Side slopes/ Banks/Vegetated Shelf 1. The width of the Vegetated Shelf is consistent with the Y or N approved plans and is a minimum of 6 feet. 2. The slope of the Vegetated Shelf is consistent with the Y or N approved plans and is no steeper than 6:1. C. As-built Main Pool/Areas/Volumes/ Elevations ___ 1. The permanent pool surface area provided is consistent Y or N with the permitted value. 2. The Temporary Pool Volume provided is consistent with Y or N the permitted value. Page 5 of 6 State Stormwater Management Permit No. SW8 200608 3. The permanent pool elevation is consistent with the Y or N permitted value. 4. The temporary pool elevation is consistent with the Y or N permitted value. OAs-built ©N/E OO N/A D. Inlets/Outlet/Drawdown 1. The design volume draws down in 2-5 days. Y or N 2. The size of the Orifice is consistent with the permitted Y or N value. 3. A trash rack is provided on the outlet structure. Y or N 4. Hydrologic impacts to the receiving channel are minimized Y or N from the 1 yr 24 hr storm discharge? 5. The inlets and the outlet location are situated per the Y or N approved plan and avoid short-circuiting. E. Vegetation 1. The vegetated shelf has been planted with a minimum of 3 Y or N diverse species. 2. The vegetated shelf plant density is consistent with the approved plans and is no less than 50 plants per 200 sf or Y or N no less than 24 inches on center. Provide an explanation for every MDC that was not met, and for every item marked "N/A" or"N/E" below. Attach additional pages as needed: Page 6 of 6 Operalioji& Maintenance Agreement Project Name: McPherson Marine Shop sws 20O60S Project Location: E. Moore St., Southport, NC 28461 &O(pZ Cover Page Maintenance records shall be kept on the following BMP(s). This maintenance rocord shall 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 pollutant removal efficiency of the BMP(s). The BMP(s) on this project include(check all that apply&corresponding O&M tables will be added automatically): Bioretention Cell Quantity: Location(s): Dry Detention Basin Quantity: Location(s): Grassed Swale Quantity: Location(s): Green Roof Quantity: Location(s): Infiltration Basin Quantity: Location(s): Infiltration Trench Quantity: Location(s): Level SpreaderNFS Quantity: Location(s): Permeable Pavement Quantity: Location(s): Proprietary System Quantity: Location(s): Rainwater Harvesting Quantity: Location(s): Sand Filter Quantity: Location(s): Stormwater Wetland Quantity: Location(s): Wet Detention Basin Quantity: 1 Location(s): See plans Disconnected Impervious Area Present: No Location(s): User Defined BMP Present: No Location(s): I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any changes to the system or responsible party. *Responsible Party: Jesse McPherson Title&Organization: Owner/Member-McPherson Marine Services, LLC Street address: 101 North Atlantic Ave City, state,zip: Southport, NC,28461 Phone number(s): 910-279-4710 Email: jesse@mcphersonmarine.com Signature: Date: G 2 d I, GAnr‘5 l N 501(\- OAI� , a Notary Public for the State of )JC. County of �tjrukv)50J«- . , do hearby certify that }e55e ,"t ."? f12r 501A personally appeared before me this 16.-'(V\ day of sA' and acknowledge the due execution of the Operations and Maintenance Agreement. Witness my hand and official seal, -\\A- Xiv\' c/le\ 00,14 Qp-i\ ' \�`P y O H�11S �G '/ \ IS f a_—r' `� Notary Public y i f § 2020 , cc- Brunswick X s v County m Y ►wY Comm. Exp. -c; B 05-24-2022 Q. ST - ��ii CA R O\- ` 6/8/2020 Version 1.4 �������� O&M Manual Page 1 of 5 Seal My commission expires hOvc ir7 JUN i 9 2020 Ij BY STORM-EZ 6/8/2020 Version 1.4 O&M Manual Page 2 of 5 Wit k *Fton Pond ai tenance Requirements The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided. 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 the problem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the BMP Areas of bare soil and/or Regrade the soil if necessary to remove the gully, and then plant a erosive gullies have formed. 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 approximately six inches. long. The Inlet device The pipe is clogged. Unclog the pipe. Dispose of the sediment off-site. The pipe is cracked or Replace the pipe. otherwise damaged. Erosion is occurring in the Regrade the swale if necessary to smooth it over and provide erosion swale. control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Stone verge is clogged or Remove sediment and replace with clean stone. covered in sediment(if applicable). The forebay Sediment has accumulated to Search for the source of the sediment and remedy the problem if a depth greater than the possible. Remove the sediment and dispose of it in a location where it original design depth for will not cause impacts to streams or the BMP. sediment storage. 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 practices show that pruning is needed to maintain optimal plant health. Plants are dead,diseased or Determine the source of the problem: soils, hydrology, disease, etc. dying. 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. g>^ . STORM-EZ R JUN t 9 2020 6/8/2020 Version 1.4 O&M Manual Page 3 of 5 BY: Wet Detention Pond.Maintenance Requirements(Continued) The main treatment area Sediment has accumulated to Search for the source of the sediment and remedy the problem if a depth greater than the possible. Remove the sediment and dispose of it in a location where it original design sediment will not cause impacts to streams or the BMP. storage depth. Algal growth covers over 50% Consult a professional to remove and control the algal growth. of the area. Cattails, phragmites or other Remove the plants by wiping them with pesticide(do not spray). invasive plants cover 50%of the basin surface. The embankment Shrubs have started to grow Remove shrubs immediately. on the embankment. Evidence of muskrat or Use traps to remove muskrats and consult a professional to remove beaver activity is present. beavers. A tree has started to grow on Consult a dam safety specialist to remove the tree. the embankment. 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 Department of Environment and Natural damage have occurred at the Resources Regional Office. outlet. The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not I readily penetrate into accumulated sediments. flEeWE11 JUN19 MO BY. STORM-EZ 6/8/2020 Version 1.4 O&M Manual Page 4 of 5 a.00 (7 3 Wet Detention Pond Design Summary Wet Porrtt --,—_ WET POND ID FOREBAY MAIN POND 1 Permanent Pool El. 22.5 Permanent Pool El. 22.5 Temporary Pool El: 23.35 Temporary Pool El: 23.35 Pretreatment other No Clean Out Depth: 3 Clean Out Depth: 4 than forebay? Sediment Removal El: 19.5 Sediment Removal El: 18.5 Has Veg.Filter? Yes Bottom Elevation: 18.5 Bottom Elevation: 18 '')EcEiVE •. c o 2 12020 STORM-EZ 9/17/2020 Version 1.4 O&M Manual Page 5 of 5 DEMLR USE ONLY Date Re ived Fee Paid Permit Number C0114 a.oao .i - lL31 $ 5415 — s og aoocooJ Applicable Rules: ❑Coastal SW—1995 ❑Coastal SW—2008 ❑Ph II-Post Construction (select all that apply) 0 Non-Coastal SW-HQW/ORW Waters ❑Universal Stormwater Management Plan ❑Other WQ Mgmt Plan: State of North Carolina LTE IDO55 Department of Environment and Natural Resources Division of Energy,Mineral and Land Resources STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be 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.): McPherson Marine Shop 2. Location of Project(street address): East Moore Street City:Southport County:Brunswick Zip:28461 3. Directions to project(from nearest major intersection): 785 ft NE of the intersection of E.Moore Street&E.Leonard Street 4. Latitude:33°56'49.6"N Longitude:-78°0'0.78"W of the main entrance to the project. II. PERMIT INFORMATION: 1.a.Specify whether project is(check one): New ['Modification ❑Renewal w/Modificationt tRenewals with modifications also requires SVVLI-102-Renewal Application Form 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 NHigh 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, and the previous name of the project,if different than currently proposed, 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): ❑LAMA Major 0 Sedimentation/Erosion Control:1.69 ac of Disturbed Area ❑NPDES Industrial Stormwater 0404/401 Permit:Proposed Impacts 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 permit: 5. Is the project located within 5 miles of a public airport? ❑No NYes JUN102O70i Form SWU-101 Version Oct.31,2013 Page 1 of 6 BY: If yes,see S.L. 2012-200,Part VI:http://portal.ncdenr.org/web/lr/rules-and-regulations III. CONTACT INFORMATION 1.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:McPherson Marine Services,LLC Signing Official &Title:Tesse McPherson,Owner/Member b.Contact information for person listed in item 1a above: Street Address:101 North Atlantic Ave City:Southport State:NC Zip:28461 Mailing Address(if applicable): City: State: Zip: Phone: (910 ) 279-4710 Fax: ( Email:jesse@mcphersonmarine.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 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: Signing Official&Title: b.Contact information for person listed in item 2a above: Street Address: City: State: Zip: Mailing Address(if applicable): City: State: Zip:_ Phone: ( ) Fax: ( Email: 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:McPherson Marine Services,LLC Signing Official&Title:Kara McPherson,Owner/Member b.Contact information for person listed in item 3a above: Mailing Address:101 North Atlantic Ave City:Southport State:NC :ip:28461 Phone: f ) Fax: f ) Z.m Email:kara@mcphersonmarine.com JUN f 9 2020 t 4. Local jurisdiction for building permits:Brunswick County By Point of Contact:Michael Slate Phone#: (910 ) 253-2047 Form SWU-101 Version Oct. 31,2013 Page 2 of'7 Ado 3 IV. PROJECT INFORMATION 1. In the space provided below,briefly summarize how the stormwater runoff will be treated. Wet Detention Pond 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. Stormwater runoff from this project drains to the Cape Fear River basin. 4. Total Property Area:7.44 acres 5. Total Coastal Wetlands Area:0 acres 6. Total Surface Water Area:0 acres 7. Total Property Area(4)—Total Coastal Wetlands Area(5)—Total Surface Water Area(6)=Total Project Area+: 7.44 acres + Total project area shall be calculated to exclude the following: the normal pool of impounded structures, the area between the banks of streams and rivers,the area below the Normal High Water(NHW)line or Mean High Water (MHW)line,and coastal wetlands landward from the NHW(or MHW)line. The resultant project area as used to calculate overall percent built upon area(BUA). Non-coastal wetlands landward of the NHW(or MHW)line may be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area/Total Project Area)X 100 =14.16 9. How many drainage areas does the project have? 1 (For high density,count 1 for each proposed engineered stormwater BMP. For low 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. flECEVVE I) SFP 2 2020 BY: Form SWU-101 Version Oct.31,2013 Page 3 of 7 Basin Information Drainage Area 1 Drainage Area_ Drainage Area Drainage Area Receiving Stream Name Gum Log Branch Stream Class * SC;Sw,HQW Stream Index Number* 18-88-1-3-1 Total Drainage Area(sf) 57,443 On-site Drainage Area(sf) 57,443 Off-site Drainage Area(sf) 0 Proposed Impervious Area**(sf) 45,884 %Impervious Area**(total) 79.88 Impervious"Surface Area Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area_ On-site Buildings/Lots(sf) 10,080 On-site Streets (sf) 0 On-site Parking (sf) 35,804 On-site Sidewalks (sf) 0 Other on-site (sf) 0 Future(sf) 0 Off-site (sf) 0 Existing BUA***(sf) 0 Total (sf): 45,884 * Stream Class and Index Number can be determined at: http://portal.ncdenr.org/web/wq/ps/csu/classifications ** Impervious area is defined as the built upon area including,but not limited to,buildings,roads,parking areas, sidewalks,gravel areas,etc. ***Report only that amount of existing BUA that will remain after development.Do not report any existing BLIA that is to be removed and which will be replaced by new BUA. 11. How was the off-site impervious area listed above determined?Provide documentation.N/A Projects in Union County: Contact DEMLR Central Office staff to check if the 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 Ec11re from http://portal.ncdenr.org/web/wq/ws/su/bmp-manual. VI. SUBMITTAL REQUIREMENTS OCT Z O Z 020 Only complete application packages will be accepted and reviewed by the Division Energy?Mineral vnd 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://portal.ncdenr.org/web/wq/ws/su/statesw/forms docs. 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 at http://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 docs. Initials 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed Restrictions&Protective Covenants Form.(if required as per Part VII below) 3. Original of the applicable Supplement Form(s)(sealed,signed and dated)and O&M agreement(s)for each BMP. 4. Permit application processing fee of$505 payable to NCDENR. (For an Express review,refer to http://www.envhelp.org/pages/onestopexpress.html for information on the Express program Form SWU-101 Version Oct.31,2013 Page 4 of 7 Basin Information Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area_ Receiving Stream Name Gum Log Branch Stream Class * SC;Sw,HQW Stream Index Number* 18-88-1-3-1 Total Drainage Area(sf) 57,443 On-site Drainage Area(sf) 57,443 Off-site Drainage Area(sf) 0 Proposed Impervious Area**(sf) 45,884 %Impervious Area**(total) 79.88 Impervious**Surface Area Drainage Area 1 Drainage Area_ Drainage Area_ Drainage Area_ On-site Buildings/Lots(sf) 10,080 On-site Streets (sf) 0 On-site Parking (sf) 38,167 On-site Sidewalks (sf) 0 Other on-site (sf) 0 Future(sf) 0 Off-site (sf) 0 Existing BUA***(sf) 0 Total (sf): 45,884 * Stream Class and Index Number can be determined at: http:llportal.ncdenr.orglweblwglpslcsu/classifications ** Impervious area is defined as the built upon area including,but not limited to,buildings,roads,parking areas, sidewalks,gravel areas,etc. ***Report only that amount 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 new BUA. 11. How was the off-site impervious area listed above determined?Provide documentation.N/A Projects in Union County:Contact DEMLR Central Office staff to check if the project is located within a Threatened& Endangered Species watershed that may be subject to more stringent stormwater 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 submitted for each BMP specified for this project. The latest versions of the forms ran be downloaded from http://portal.ncdenr.org/webfwq/ws/su/bmp-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://portal.ncdenr,org/web/wq/ws/su/statesw/forms docs. 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 at http://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/webiwq/ws/su/statesw/forms doc . Initi 1 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed Restrictions&Protective Covenants Form.(if required as per Part VII below) 3. Original of the applicable Supplement Form(s)(sealed.signed and dated)and O&M agreement(s)for each BMP. 4. Permit application processing fee of$505 payable to NCDENR. (For an Express review,refer to http://www.envhelp.org/pages/onestopexpress.html for infor "*.+VOL am Form SWU-l01 Version Oct.31,2013 Page 4 of 7 JUN i 9 MO •. and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) /n 5. A detailed narrative(one to two pages)describing the stormwater treatment/management for 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%mile of the site boundary,include the% 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: 4' a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. 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 NHW 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. 1. Details of roads,drainage features,collection systems,and stormwater control measures. m.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. n. 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 SHWT elevations(Please identify A.) /n- 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"x11"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 DEMLR to verify the SHWT prior to submittal, (910)796-7378.) 10. A copy of the most current property deed.Deed book:4281 Page No:954 11. 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:L/www.secretary.state.nc.us/Corporations/CSearch.aspx e , • JuN 19 202o i ,. BY Form SWU-101 Version Oct.31,2013 Page 5 of 7 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://portal.ncdenr.org/web/lrro_ate- 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:I,Phillip Norris,P.E. Consulting Firm:Norris&Tunstall Consulting Engineers.P.C. Mailing Address:1429 Ash-Little River Road City:Ash State:NC Zip:28420 Phone: (910 ) 287-5900 Pax: (910 ) 287-5902 Emathpnorris@ntengineers.com IX. PROPERTY OWNER AUTHORIZATION(if Contact Information,item 2 has been filled out,complete this section) I,(print or type name of person listed in Contact Information,item 2a) ,certify that I own the property identified in this permit application,and thus 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 Information,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. ,iti). SUN 1 9 BY Form SWU-101 Version Oct.31,2013 Page 6 of 7 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 I 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 enalties of up to$25,000 per day,pursuant to NCGS 143-215.6. Signature: - r Date: C( t 5720 I, w`1`i lr VVI Jc%AVt ,O A - 0 a 41,a Notary Public for the State of N (_ ,County of tyk?Or kvty ui\e IC ,do hereby certify that Sc55 2. ? ' \ A-e r.5 G 1,1 personally appeared before me this 15 day of J uLA.e , 2D20,and acknowledge the- due execution of the application for a stormwater permit. Witness my hand and official seal, �. W -A/ S l'`t`AG''t—O ````,`\fir O SEAL a c Notary public�' ir= Brunswick 'A v County MY Comm, P rn ,oR 2X� = 5/2.9 -�Z 2 05-24-202 Q My commission expires P : it CAPO%-le X. APPLICANT'S CERTIFICATION I,(print or type name of person listed in Contact Information,item la)Jesse McPherson , 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 stormwa r rules under 15A NCAC 2H.1000 and any other applicable state stormwateri requirements. Signature PI Date: v/l J/ 2d Ch.V' --\ Inq 301AvA San•OcA &\,a Notary Public for the State of PC ,County of Sr� \5 tn)t GN. ,do hereby certify that 5-e 55 e .t 17kev h(-J✓\ personally appeared before me this�S d'ay of I .&A.R._ , -2-V ZU,and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, �, l CI ��111A1 WI - C.) c I \��``oP 3O HNsr*/,. SEAL Notar O'y Brunswicklic = a u County r- _ My Comm. Exp, c My commission expires 5 --2-N - 2 1.2 05-24-2022 JUN 19 el Form SWU-101 Version Oct.31,2013 Page 7 of 7 Br SUPPLEMENT-EZ COVER PAGE NT aooL3 I FORMS LOADED I 51,IB ZoobOg ',PRO EC INFORMATION -------- _-__ - - J---- ---_ - — - J T --1 1 Project Name McPherson Marine Shop i 2 Project Area(ac) 7.44 3 Coastal Wetland Area(ac) �r_ 0 4 Surface Water Area(ac) _0 —j 5 Is this project High or Low Density? _ �� High 6 Does this project use an off-site SCM? I No COMPLIANCE WITH 02H .1003(4) --�-y - -- - - --+- �- - — - --�`-1 7 Width of vegetated setbacks provided (feet) l N/A 8 Will the vegetated setback remain vegetated? I _�_�N/A 9 Is BUA other that as listed in .1003(4)(c-d)out of the setback? _ N/A 10 Is streambank stabilization proposed on this project? N/A 1 t NUMBER AND TYPE OF SCMs: --____ — 11 Infiltration System 0 ---I 12 Bioretention Cell 0 13 Wet Pond 1 14 Stormwater Wetland 0 __—__I15 Permeable Pavement 0 16 Sand Filter �---�• 0 i 17 Rainwater Harvesting(RWH) 0 18 Green Roof 0 , 19 _Level Spreader-Filter Strip(LS-FS) 0 -_� 20 Disconnected Impervious Surface(DIS) 0 21 Treatment Swale 0 22 Dry Pond 0 23 StormFilter 0 24 Silva Cell 0 25 Bayfilter 0 26 Filterra 0 FORMS LOADED DESIGNER CERTIFICATION -._-___-____ __________.____- ------______.-_ ________-_-_.-._. __- 27 Name and Title: ^C IVE Joseph K. Blind, P.E. 28 Organization: �s C Norris&Tunstall Consulting Engineers P..C. 29 Street address: filerr .2 1 2020 1429 Ash-Little River Road _ _�_� _ 30 City, State, Zip: Ash, NC 28420 31 Phone number(s): B 910-287-5900 -1 32 Email: jbland©ntengineers.com Certification Statement. I certify,under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision;that the information provided in the form is,to the best of my knowledge and belief,true,accurate,and complete;and that the engineering plans,specifications,operation and maintenance agreements and other supporting information are consistent with the information provided here. Dgsianer *--sr, 2, �j : ,L Sign re of Designer - 016 II "O : /100 ) .1 '- �10SFNGI se.-: Seal Date FIVE '; CFP 2 1 7020 i BY: DRAINAGE AREAS 1 1 Is this a high density project? Yes 2 If so, number of drainage areas/SCMs 1 Is all/part of this project subject to previous rule i 3 versions? No FORMS LOADED I 'DRAINAGE AREA INFORMATION ; Entire Site 1 4 Type of SCM ' i Wet Pond 5 Total BUA in project (sq ft) 7 45884 sf 45884 sf 1 New BUA on subdivided lots (subject to permitting) 6 (sq ft) I{ , 0 sf New BUA outside of subdivided lots (subject to 1 1 7 permitting) (sf) II �i 45884 sf 8 Offsite -total area (sq ft) Ij___ 0 sf 9 Offsite BUA (sq ft) 0 sf i 10 Breakdown of new BUA outside subdivided lots: 11 4 45884 sf I - Parking (sq ft) 1' 35804 sf -Sidewalk (sq ft) L 0 sf � - Root(sq ft) I� 10080 sf - Roadway (sq ft) I 0 sf - Future (sq ft) il 0 sf -Other, please specify in the comment box below(sq ft) 1 jE 0 sf New infiltrating permeable pavement on subdivided, 1 11 lots (sq ft) .j 0 sf New infiltrating permeable pavement outside of . 12 subdivided lots (sq ft) L_ 0 sf Exisitng BUA that will remain (not subject to , I 13 permitting) (sq ft) ' 1 0 sf 14 Existing BUA that is already permitted (sq ft) ! 0 sf �I 15 Existing BUA that will be removed (sq ft) j 11 0 sfI' 16 Percent BUA 1.. 1416% L 67.56% I 17 Design storm (inches) j 1.,5 in _ � 18 Design volume of SCM (Cu ft) 1 5678 cf , I �) . 19 Calculation method for design volume j _ _ ;{ Simple rl ADDITIONAL INFORMATION '' Please use this space to provide any additional information about the 20 drainage area(s): DA= 67,918 sf/ 1.56 ac rr a ECEi �F E { I OCT 2 0 2020 BY: WET POND 1 Drainage area number 1 j 2 Design volume of SCM (Cu ft) 5678 cf GENERAL MDC FROM 02H.1050 3 Is the SCM sized to treat the SW from all surfaces at build-out? Yes _ 4 Is the SCM located away from contaminated soils? Yes I i 5 What are the side slopes of the SCM (H:V)? 3:1 , Does the SCM have retaining walls, gabion walls or other engineered i 6 side slopes? No Are the inlets, outlets, and receiving stream protected from erosion 1 7 (10-year storm)? Yes Is there an overflow or bypass for inflow volume in excess of the 1 8 design volume? Yes _ 9 What is the method for dewatering the SCM for maintenance? Pump (preferred) 11 10 If applicable, will the SCM be cleaned out after construction? Yes_ N 11 Does the maintenance access comply with General MDC (8)? Yes b 12 Does the drainage easement comply with General MDC 9 ? N/A —1 b 9 pY ( ) If the SCM is on a single family lot, does (will?) the plat comply with --'i 13 General MDC (10)? N/A • .i 14 Is there an O&M Agreement that complies with General MDC (11)? Yes _: 15 Is there an O&M Plan that complies with General MDC (12)? Yes 16 Does the SCM follow the device specific MDC? Yes 17 Was the SCM designed by an NC licensed professional? I Yes 'WET POND MDC FROM 02H .1053 18 Method used SA/DA �a 19 Has a stage/storage table been provided in the calculations? Yes Elevation of the excavated main pool depth (bottom of sediment 20 removal) (fmsi) 18.00 — i. n 21 Elevation of the main pool bottom-(top of sediment removal) (fmsl) 18.50 22 Elevation of the bottom of the vegetated shelf(fmsi) 22.50 23 Elevation of the permanent pool (fmsl) 22.50 ' 24 Elevation of the top of the vegetated shelf Urns!) 22.50 li 25 Elevation of the temporary pool (fmsl) 23 35 26 Surface area of the main permanent pool (square feet) 4369 sf ___. 1 27 Volume of the main permanent pool (cubic feet) 13498 cf �� 28 Average depth of the main pool (feet) 3.10 ft i 29 Average depth equation used Equation 2 30 If using equation 3, main pool perimeter(feet) 31 If using equation 3, width of submerged veg. shelf(feet) i 32 Volume of the forebay (cubic feet) 2660 cf 33 Is this 15-20% of the volume in the main pool? Yes 34 Clean-out depth for forebay (inches) 12 inT:c r 35 Design volume of SCM (cu ft) �V E 5678 cf__ rW ! 36 Is the outlet an orifice or a weir? 2020 - Orifice �l 37 If orifice, orifice diameter(inches) Sip1 in • 1 38 if weir, weir height (inches) 8V:_ — !! i 39 If weir, weir length (inches) tl 1 40 Drawdown time for the temporary pool (days) 4 63 d Wet Pond 1 10:56 AM 9/17/2020 'WET POND AAre the inlet(s) and outlet located in a manner that avoids short- I 41 circuiting? I Yes 42 Are berms or baffles provided to improve the flow path? No 1 0 43 Depth of forebay at entrance (inches) 48 in i, 0 44 Depth of forebay at exit (inches) 42 in 45 Does water flow out of the forebay in a non-erosive manner? _ Yes I 46 Width of the vegetated shelf(feet) 6 ft i 47 Slope of vegetated shelf(H:V) 6:1 Does the orifice drawdown from below the top surface of the i 48 permanent pool? No Does the pond minimize impacts to the receiving channel from the 1- 49 yr, 24-hr storm? __ Yes Are fountains proposed? (If Y, please provide documentation that i A 50 MDC(9) is met.) No _ 51 Is a trash rack or other device provided to protect the outlet system? Yes 52 Are the dam and embankment planted in non-clumping turf grass? Yes 1 53 Species of turf that will be used on the dam and embankment Bermuda 54 Has a planting plan been provided for the vegetated shelf? Yes ADDITIONAL INFORMATION - ---- ------------- CL1----- � R Please use this space to provide any additional information about the 55 wet pond(s): i __— — — - 1 EC 1 'E 1 SFp' 212020 i Wet Pond 2 10:56 AM 9/17/2020