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HomeMy WebLinkAboutSW8990224_HISTORICAL FILE_20160811STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 OMQI2y DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS M HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2ol�'D ohs 1I YYYYMMDD PAT McCRORY Gmemor DONALD R VAN DER VAART Secretary Energy, Mineral & Land Resources ENVIRONMENTAL QUALITY August 11, 2016 J T Mildenberg, President JTM Development, Inc 106 Live Oak Lane Wilmington, NC 28411 Subject State Stormwater Management Permit No SW8 990224 MOD Sentry Self Storage High Density Commercial Project Brunswick County Dear Mr Mildenberg TRACY DAVIS Director The Wilmington Regional Office received a complete, modified Stormwater Management Permit Application for Sentry Self Storage on July 13, 2016 Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H 1000 We are forwarding modified Permit No SW8 990224 dated August 11, 2016, for the construction, operation and maintenance of the BMP's and built -upon area associated with the subject project This permit shall be effective from the date of issuance until August 14, 2021, and shall be 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, certification of the BMP's, procedures for changing ownership, transferring the pernut, and renewing the permit Failure to establish an adequate system for operation and maintenance of the stormwater management system, to record deed restrictions, tc certify the BMP's, to transfer the permit, or to renew the permit, will result in future compliance problems The following modifications are included and covered by this permit 1 The addition of 19,000 sf metal storage building and 12,050 sf associated asphalt / concrete pavement, resulting in a new total impervious amount of 110,289 sf, and drainage area has increased to 149,036 sf 2 The pond can handle the increased area without changing the design 3 The pond calculations, Supplement, and 0&M Agreement have been updated 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 tlus 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 tlus permit shall be final and binding State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources Wilmington Regional Office 1127 Cardinal Drive Extension I Wilmington. NC 28405 910 796 7215 State Storrrwater Permit NO SW8 990224 Page 2 of 2 If you have any questions or need additional information concerning this matter please contact Steve Pusey in the Wilmington Regional Office at (910) 796-7215 Sincerely, For I -racy Davis, P E Director Division of Energy Mineral and Land Resources GDS/ sgp G\WQ\\Stormwater\Permits & Projects\1999\990224 HD\2016 08 permit 990224 cc J Christian Russell, PE - East Coast Engineering & Surveying, P C Brunswick County Building Inspections Brunswick County Engineering Wilmington Regional Office Stormwater File State of North Carolina I Environmental Quality I Energy Mineral and Land Resources Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington NC 28405 910 796 7215 State Stormwater Management Systems Permit No SW8 990224 MOD STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF ENERGY, MINERAL & LAND RESOURCES STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY COMMERCIAL 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 JTM Development, Inc Sentry Self Storage 4711 Southport Supply Road, Bolivia, Brunswick County FOR THE construction, operation, and maintenance of two (2) wet detention pond(s) in compliance with the provisions of 15A NCAC 2H 1000 (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 & Land Resources (hereafter referred to as the Division or DEMLR) and considered a part of this permit This permit shall be effective from the date of issuance until August 14, 2021, and shall be subject to the following specified conditions and limitations I DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data This stormwater system has been approved for the management of stormwater runoff as described in Section 1 5 on page 3 of this permit and per the approved plans The stormwater control has been designed to handle the runoff from a maximum built -upon area (BUA) of 518,844 square feet of impervious area The built -upon area reserved for future development is limited to 15,849 square feet in drainage area #1 and is included in the total BUA listed above All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans 4 The runoff from all built -upon area within the permitted drainage area(s) of this project must be directed into the permitted stormwater control system Page 3of8 State Stormwater Management Systems Permit No SW8 990224 MOD 5 The following design criteria have been provided in the wet detention pond and must be maintained at design condition Pond #1 Pond #2 a Drainage Area, acres 1242 342 Onsite, ft2 541,015 149,036 Offsite, ft2 N/A N/A b Total Impervious Surfaces, ft2 408,555 110,289 c Design Storm, inches 1 0 1 5 d Average Pond Design Depth, feet 6 5 e TSS removal efficiency 90% 90% f Permanent Pool Elevation, FMSL 320 320 g Permanent Pool Surface Area, ft2 26,527 10,170 h Permitted Storage Volume, ft3 37,312 23,966 1 Temporary Storage Elevation, FMSL 333 340 1 Controlling Orifice, 0 inches 30 1 5 k Permitted Forebay Volume, ft3 22,818 5,394 1 Fountain Horsepower, HP 1/3 N/A m Receiving Stream/River Basin Jump & Run Creek n Stream Index Number SC,Sw o Classification of Water Body Cape Fear 1 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 surface 2 During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately The permittee shall at all time provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to a Semiannual scheduled inspections (every 6 months) b Sediment removal c Mowing and re -vegetation of slopes and the vegetated filter d Immediate repair of eroded areas e Maintenance of all slopes in accordance with approved plans and specifications f Debris removal and unclogging of outlet structure, orifice device, flow spreader, catch basins and piping g Access to the outlet structure must be available at all times 4 Decorative spray fountains will be allowed in the stormwater treatment system, subject to the following criteria a The fountain must draw its water from less than 2' below the permanent pool surface b 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 c The falling water from the fountain must be centered in the pond, away from the shoreline d The maximum horsepower for a fountain in this pond is 1/3 horsepower for pond #1 only Pond #2 does not contain sufficient volume to be allowed a spray fountain Page 4 of 8 State Stormwater Management Systems Permit No SW8 990224 MOD 5 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 6 The facilities shall be constructed as shown on the approved plans This permit shall become void unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data 7 Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this permitted facility, a certification must be received from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation Any deviations from the approved plans and specifications must be noted on the Certification A modification may be required for those deviations 8 If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility 9 Access to the stormwater facilities for inspection and maintenance shall be maintained via appropriate recorded easements at all times 10 The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below a Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc b Protect name change c Transfer of ownership d Redesign or addition to the approved amount of built -upon area or to the drainage area e Further subdivision, acquisition, lease or sale of all or part of the protect area The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought f Filling in, altering, or piping of any vegetative conveyance shown on the approved plan 11 Prior to the construction of any permitted future areas shown on the approved plans, the permittee shall submit final site layout and grading plans to the Division for approval 12 A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times At the time the permit is transferred to a new owner, the permittee shall forward the approved plans to the new owner 13 The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made Page 5 of 8 State Stormwater Management Systems Permit No SW8 990224 MOD III GENERAL CONDITIONS This permit is not transferable except after notice to and approval by the Director In the event of a change of ownership, or a name change, the permittee must submit a completed Name/Ownership Change Form signed by both parties, to the Division, accompanied by the supporting documentation as listed on page 2 of the form The approval of this request will be considered on its merits and may or may not be approved 2 The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request 3 Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division, in accordance with North Carolina General Statute 143-215 6A to 143-215 6C 4 The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction 5 In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems 6 The permittee grants DEMLR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility 7 The permit remains in force and effect until modified, revoked, terminated or renewed The permit may be modified, revoked and reissued or terminated for cause The filing of a request for a permit modification, revocation and re - issuance or termination does not stay any permit condition 8 Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual 9 Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit 10 The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes 11 The permittee shall submit a permit renewal request at least 180 days prior to the expiration date of this permit The renewal request must include the appropriate documentation and the processing fee Permit issued this the 11'h day of August, 2016 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Division of Energy Mineral and Land Resources By Authority of the Environmental Management Commission Page 6 of 8 DEMLR USE ONLY • Date Received Fee P d PE mit Number V,35r Applicable Rules ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph II - Post onstruc on (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ Mgmt Plan State of North Carolina Department of Environment and Natural Resources Division of Energy, Mineral and Land Resources STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form 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) 2 Location of Project (street address) 4711 Southport Supply Road City Bolivia County Brunswick Zip 28422 3 Directions to project (from nearest major intersection) From the intersection of NC211 and US17 travel 0 miles toward Southport Project located on right 4 Latitude 33' 5715 4" N Longitude 78* 3' 45 3" W of theoain entrance to the II PERMIT INFORMATION 1 a Specify whether project is (check one) ❑New ®Modification ❑ Renewal w/ Modificationt tRenewals with modifications also requires SWU-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 numberSW8 990224 , its issue date (if known) 04-17-14 and the status of construction ❑Not Started ❑Partially Completed* ® Completed* *provide a designer's certification 2 Specify the type of project (check one) ❑Low Density ®High Density ❑Drains to an Offsite Stormwater System ❑Other 3 If this application is being submitted as the result of a previously returned application or a letter from DEMLR requesting a state stormwater management permit application, list the stormwater project number, if assigned, 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 obtamed by contacting the Customer Service Center at 1-877-623-6748) ❑CAMA Major ❑NPDES Industrial Stormwater ®Sedimentation/Erosion Control 3 42 ac of Disturbed Area ❑404/401 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 Sentry Self Storage 5 Is the project located within 5 miles of a public airport? ZINo UYes If yes, see S L 2012-200, Part VI http //uortal ncdenr org/web/Ir/rules-and-regulations Form SWU-101 Version Oct 31, 2013 Page 1 of 6 ORIGINAL IIIR 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 ITM Development Inc Signing Official & Title i T Mildenberg, President b Contact information for person listed in item la above Street Address 106 Live Oak Lane City Wilmington State NC Zip 28411 Mailing Address (if applicable) City State Zip Phone (910 ) 457-7181 Fax (910 ) 457-7678 Email sentryselfstorageagenc®hotmail com 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 Mailing Address (if applicable) State Zip City State Zip o■ Phone ( ) Fax C E N Email JUL 13 20% 3 a (Optional) Print the name and title of another contact such as the project's constr n supervisor or other person who can answer questions about the project BY. Other Contact Person/Organization East Coast Engmeermg & Surve}_ing, PC Signing Official & Title Alan C Lewis b Contact information for person listed in item 3a above Mailing Address 4918 Main Street, Post Office Box 2469 City Shallotte State NC Zip 28459 Phone (910 ) 754-8029 Email alewis@eces biz Fax (910 ) 754-8049 4 Local jurisdiction for budding permits Brunswick County Point of Contact Reggie Hucks Phone # (910 ) 253-2050 Form SWU-101 Version Oct 31, 2013 Page 2 of 6 IV, PROJECT INFORMATION 1 In the space provided below, briefly summarize how the stormwater runoff will be treated New Building roof downspouts will discharge to paved roadway/ _parkmg and will dram to drop inlets and then piped to an existing 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 18 33 acres Total Coastal Wetlands Area 0 acres Total Surface Water Area 0 acres 7 Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area' 18 33 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 is used to calculate overall percent built upon area (BUA) Nan -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 = 65 ° 9 How many drainage areas does the project have? 2 (For high density, count I for each proposed engineered stornwater BMP For low densihit and other projects, use 1 for the whole propertit area) 10 Complete the following information for each drainage area identified in Project Information item 9 If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below Basin Information Drainage Area 1 Drainage Area 2 Drainage Area _ Drainage Area _ Receiving Stream Name Jump & Run Jump & Run Stream Class * SC Sw SC Sw Stream Index Number * 18-88-9-3-2 18-88-9-3-2 Total Drainage Area (so 541,015 149,036 On -site Drainage Area (so 541,015 149,036 Off -site Drainage Area (so 0 0 Proposed Impervious Area** (so 408,555 110,289 % Impervious Area** total 76 % 74% II 1 1 1 ' lllb Impervious' Surface Area Drainage Area 1 Drainage Area 2 Drainageit Drama e Area On -site Buildings/Lots (sf) 139,475 19,000 BY On -site Streets (so 233,231 12,050 On -site Parking (so 0 0 On -site Sidewalks (so 0 0 Other on -site (so 0 0 Future (so 15,949 0 Off -site (so 20,000 0 Existing BUA*** (so 0 79,239 Total (so 408,555 110,289 * Stream Class and Index Nuniber can be determined at littp &portal ncdenr orgLu ebAoas/csu/classificatiois " Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc Form SWU-101 Version Oct 31, 2013 Page 3 of 6 ** Report only that amount of existing BUA that will remain after development Do not report any exishng 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 Protects in Union County Contact DEMLR Central Office staffto 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 forms can be downloaded from http //portal ncdenr org/web/wq/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 ncdenrorg/web/wq/ws/su/statesw/forms does The complete application package should be submitted to the appropriate DEMLR Office (The appropriate office maybe found by locating project on the interactive online map at htW /[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 imtialed in blue ink Download the latest versions for each submitted application package from http //portal ncdenr org/web/wq/ws/su/statesw/forms_docs _LMI-bak 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 144 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 �i http //www envhelp org/pages/onestopexpress html for information on the Express program and the associated fees Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting ) 5 A detailed narrative (one to two pages) describing the stormwater treatment/managementfor the project This is required in addition to the brief summary provided in the Project Information, item 1 J 6 A USGS map identifying the site locahon If the receiving stream is reported as class SA or the x receiving stream drains to class SA waters within th mile of the site boundary, include the 1/2 mile radius on the map 7 Sealed, signed and dated calculations (one copy) 8 Two sets of plans folded to 8 5" x 14" (sealed, signed, & dated), including a Development/Project name b Engineer and firm `p c Location map with named streets and NCSR numbers E C E I y E d Legend e North arrow 016 f Scale JUL 13 1 g Revision number and dates 9 h Identify all surface waters on the plans by delineating the normal pool elevah@i 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 I Details of roads, drainage features, collection systems, and stormwater control measures in Wetlands delineated, or a note on the plans that none exist (Must be delineated by a qualified person Provide documentation of qualifications and identify the person who made the determination on the plans Form SWU-101 Version Oct 31, 2013 Page 4 of 6 n Existing drainage (mcludmg off -site), drainage easements, pipe sizes, runoff calculations o Drainage areas delineated (included in the main set of plans, not as a separate document) p Vegetated buffers (where required) 9 Copy of any applicable soils report with the associated SHWT elevations (Please identify elevations in addition to depths) as well as a map of the boring locahons with the existing elevations and boring logs Include an 8 5"xll" 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 determmmg the infiltration rate (Infiltration Devices submitted to WiRO Schedule a site visit for DEMLR to venfij the SHWT pnor to submittal, (910) 796-7378 ) �2 10 A copy of the most current property deed Deed book 1266 Page No 29 11 For corporations and limited Lability corporations (LLC) Provide documentation from the NC Secretary of State or other official documentation, which supports the titles and positions held by the persons hsted in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H 1003(e) The corporation or LLC must be hsted as an active corporation in good standmg with the NC Secretary of State, otherwise the application will be returned http //www secretary state nc us/Corporations/CSearch aslx 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 listmg 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/Ir/state-stormwater- forms does Download the latest versions for each submittal In the mstances 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 engmeer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information) Consulting Engineer 1 Christian Russell, PE Consulting Firm East Coast Engmeermg & Surveying, PC Marling Address 4918_Main Street, Post Office Box 2469 City Shallotte State NC Zip 28459 Phone (910 j 754-8029 Fax (910 1 754-8049 Email crussell@eces biz IX PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has bee led out, comple t is section) JUL 13 2016 I, (print or hjpe name of person listed in Contact Information, item 2a) certify TI own the property identified in this permit application, and thus give permission to (p erson listed in Contact Information, item la) with (print or hjpe name of organization listed in Contact Information, item 1a) to develop the project as currently proposed A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system Form SWU-101 Version Oct 31, 2013 Page 5 of 6 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 pernut 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 derstand that the operation of a stormwater treatment facility without a valid permit is a viola NC eneral Statue 143-2151 and may result in approp enforcement action mcluyt�ifq; sent f il allies of up to $25,000 per day, pursuant to NCGS 1 215 6) Signature / / Date do hereby certify that before me this _ day of Public for the State of County of personally appeared and acknowledge the due execution of the application for a stormwater permit Witness my hand and official seal, SEAL ECEIVIEDh My commission expires JUL 13 2016 1-0 BY X APPLICANT'S CERTIFICATION I, (print or type name of person listed in Contact Information, item la) ]T Mildenberg certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructe nformance with the approved plans, that the required deed restrictions and protective covenants wi be ded, and that the proposed project complies with the requir en of the applicable st er un A NCAC 2H 1000 and any other applicable state stormwa r r ements Signature Date / a Notary Public for the State of t� 4j--' Q(� lL� County of Yri�n'ouS2 (cam , do hereby certify that of i' personally appeared before me this--Ja, day of ,P;I LQ_ and acknowledge the due execution of the application for a stormwater permit Witness my hand and SEAL My commission expires i C� `�� a6 l t l t Permit Number .Sw 9V 7z o2of �4 (to be provided by DWQ) Drainage Area Number Wet Detention Basin Operation and Maintenance Agreement I will keep a maintenance record on this BMP This maintenance record will be kept in a log in a known set location Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided This system (check one): ® does ❑ does not This system (check one): ❑ does ® does not incorporate a vegetated filter at the outlet. incorporate pretreatment other than a forebay. Important mamtenance 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 fast mitial fertilization that is required to establish the plants on the vegetated shelf — Stable groundcover should be mamtamed in the drainage area to reduce the sediment load to the wet detention basin — If the basin must be dramed for an emergency or to perform maintenance, the flushing of sediment through the emergency drain should be mrmmrzed 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 10 inches (or 15 inches if m 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 the problem The entire BMP Trash/debris is present Remove the trash debits The penmeter 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 applicat3on Vegetation is too short or too Maintain vegetation at a height of long a r xi es Form SW401-Wet Detention Basin O&M -Rev 3 r_uMI V JUL 13201 BY C 1 Page 1 of 4 Permit Number (to be provided by DWQ) Drainage Area Number BMP element Potential problem How I will remediate the roblem- 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 rrprap 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 nprap if needed to prevent future erosion problems Weeds are present Remove the weeds, preferably by hand If pesticide is used, wipe it on the plants rather than spraying The vegetated shelf Best professional practices Prune according to best professional show that pruning is needed practices to maintain optimal plant health Plants are dead, diseased or Determine the source of the dying problem soils, hydrology, disease, etc Remedy the problem and replace plants Provide a one-time fertilizer application to establish the ground cover if a soil test indicates it is necessary Weeds are present Remove the weeds, preferably by hand If pesticide is used, wipe it on the plants rather than spraying The main treatment area Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design sediment possible Remove the sediment and storage depth dispose of it in a location where it will not cause impacts to streams or the BMP Algal growth covers over Consult a professional to remove 50% of the area and control the algal growth Cattails, phragmites or other Remove the plants by wiping them invasive plants cover 50% of with pesticide (do not spray) the balm surface ECEI V E JUL 13 2016 Form SW401-Wet Detention Basin O&M -Rev 3 Page 2 of 4 BY' Permit Number (to be provided by DWQ) Drainage Area Number BMP element: Potentialproblem: How I will remediate the problem The embankment Shrubs have started to grow Remove shrubs immediately on the embankment Evidence of muskrat or Use traps to remove muskrats and beaver activity is present consult a professional to remove beavers A tree has started to grow on Consult a 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 The outlet device Cloggmg 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 measurmg 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 6 feet in the main pond, the sediment shall be removed When the permanent pool depth reads 3 feet m the forebay, the sediment shall be removed Sediment Removal Bottom BASIN DIAGRAM ill in the blanks) Permanent Pool Elevation 32 0 29 0 I Pe anen Pool ------------- Volume Sediment Removal Elevation 26 0 Volume 28 0 ft Mm-- -------------- -------------------------- Sediment -- - - Bottom Elevation 25 0 1-ft n Storage Sedimet Storage FOREBAY MAIN POND Form SW401-Wet Detention Basin O&M -Rev 3 ECEIVE JUL 13 2016 BY Page if 4 Permit Number (to be provided by DWQ) I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed above I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party Project name Sentry Self Storage BMP drainage area number Print name JT Mildenberg Title President Addr Phon Sigru Date Note The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president a Notary Public for the State of cj aA , County of do hereby certify that vs ef= personally appeared before me this <L3_ day of , and acknowledge the due execution of the forgoing wet detention basin maintenance requirements Witness my hand and official seal, My commission exptres /b "=: )&) t� Form SW401-Wet Detention Basin O&M -Rev 3 ECEIVE JUL 13 2016 BY Page 4 of 4 Permit No 16 (to be ProvMetl by DV✓Q) W AWxl NCDENR o STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out printed and submitted The Required Items Checklist (Pad III) must be punted, filled out and submitted along with all of required information I PROJECT INFORMATION IL Project name Sentry Self Storage Contact person J Chnsban Russell P E Phone number 910-754-8029 Date 7/6/2016 Drainage area number 2 II DESIGN INFORMATION I Site Characteristics Drainage area 149 036 ft Impervous area post -development 110 289 h2 %Impervious 7400 % Design rainfall depth 15 in Storage Volume Non SA Waters _ Minimum volume required 13,339 fi3 Volume provided 23 966 ft' OK, volume provided Is equal to or 1n excess of volume required Storage Volume SA Waters 1 5' runoff volume g3 Pre -development 1 yr, 24 hr runoff h3 Post -development l yr, 24-hr runoff ff3 Minimum volume required ff3 Volume provided g3 Peak Flow Calculations Is the prelpost control of the iyr 24hr storm peak flow required? N (Y or N) 1 yr 24 hr rainfall depth in Rational C, pre -development limitless) Rabonal C post -development limitless) Rainfall intensity 1 yr 24 hr stone in/hr Pre -development 1 yr, 24 hr peak flow 006 ft3/sec Post -development 1 yr, 24 hr peak flow 032 fOlsec Pre/Post 1 yr 24 hr peak flow control 026 ff3/sec Elevations Temporary pool elevation 3400 fmsl Permanent pool elevation 3200 fmsl SHWT elevation(approx at the pen pool elevation) 3200 fmsl Top of 10ft vegetated shelf elevation 3250 fmsl Bottom of 10ft vegetated shelf elevation 3150 fmsl Data not needed for calculation option #1 but OK if provided Sediment Geanout tap elevation (bottom of pond) 2600 fmsl Sediment cleanout bottom elevation 2500 fmsl Data not needed for calculation option #1, but OK if provided Sediment storage provided 100 ff Is there additional volume stored above the state required temp pool? N (Y or N) Elevation of the tap of the additional volume fmsl E C E I \ E JUL 13 2016 BY Form SW401 Wet Detention Basio-Rev9-4/l all Pans I a 11 Design Summary Page 1 of Permit No (to be provided by DWQ) II DESIGN INFORMATION Surface Areas Area temporary pool 13 412 If Area REQUIRED, permanent pool 7 869 ft' SA/DA mho 528 (unitless) Area PROVIDED permanent pool, Ar,,,,, 10,170 ft' OK Area bottom of 10ft vegetated shelf, A.., 5,567 ft' Area sediment deanout top elevabon (bottom of pond), A. 2,596 ft' Volumes Volume temporary pool 23 966 ft3 OK Volume, permanent pool V. . 26 044 ft3 Volume, fombay (sum of fombays if more than one forebay) 5,394 ft3 Fombay %of permanent pool volume 20 7% % OK SA/DA Table Data Design TSS removal 90 % Coastal SA/DA Table Used? Y (Y or N) Mountain/Piedmont SA/DA Table Used9 N (Y or N) SA/DA mho 528 (umtless) Average depth (used in SA/DA table) Calculation option 1 used? (See Figure 10 2b) Y (Y or N) Volume, permanent pool V._,, 26,044 ft3 Area provided, permanent pool Aw,_wa 10,170 ft' Average depth calculated 480 ft OK Average depth used in SA/DA d„ (Round to nearest 0 511) 50 It OK Calculation option 2 used' (See Figure 10-21g) N (Y or N) Area provided permanent pool, A.. 10 170 112 Area bottom of 1 Oft vegetated shelf, A,. 5 567 ft Area sediment cleanout top elevation (bottom of pond) A., 2 596 f 2 'Depth' (distance b/w bottom of 1Oft shelf and top of sediment) 550 ft Average depth calculated ft Average depth used in SAIDA, d„, (Round to down to nearest 0 5ft) ft Drawdown Calculations Dmwdown through onfice? Diameter of onfice (if circular) Area of onfice (if noncucular) Coefficient of discharge (Co) Driving head (Ho) Dmwdown through weir? Wen type Coefficient of discharge (C„) Length of weir (L) Driving head (H) Pre -development 1 yr 24 hr peak flow Post -development 1 yr 24 hr peak flow Storage volume discharge rate (through discharge onfice or weir) Storage volume drawdown time Additional Information Vegetated side slopes Vegetated shelf slope Vegetated shelf width Length of flowpath to width mho Length to width mho Trash rack for overflow & onf ce2 Freeboard provided Vegetated filter provided? Recorded drainage easement provided? Capures all runoff at ultimate bmldouty Drain mechanism for maintenance or emergencies is Y (Y or N) 150 in Enter either diameter of onfice or area of non -circular onfice Donotenter 159 in' both diameter and area for a circular onfice 060 (unless) 0 53 ft N (Y or N) (unifless) (umlless) ft It 386 days 31 10 1 100ft 3 1 27 1 Y (Y or N) 10 ft OK dmvrs down in 2 5 days OK OK OK OK OK OK OK ECEiVE JUL 13 2016 BY (Y or N) OK (Y or N) Insufficient Recorded drainage easement required (Y or N) OK Form SW401 Wet Detention Bass,ReV 94/18/12 Parts I & 11 Design Summary Page 2 of 2 Sentry Self Storage Storm water Permit No SW8 990224 Brunswick County Designer's Certification �� I, r U� / U( �t%�_ as a duly registered EAJ� r,JZF—K, in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the project, For .T / %7J /k3/lO4,9,Jf Tn1 C , hereby state that, to the best of my abilities, due care and diligence was used m the obs rvation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications The checklist of items on page 2 of this form is included in the certification Noted deviations from approved plans and specifications Ajd H1. —/ Signature Registration Number Date Y SEAL 12656 t ';�OB'�'vGINEEP' QJ�`� T E 'CVG�a EGEIV"tr-- DEC 0 4 2015 I Certification Requirements ,/1 The drainage area to the system contains approximately the permitted acreage The drainage area to the system contains no more than the permitted amount of built upon area All the built upon area associated with the project is graded such that the runoff drains to the system v 4 All roof drains are located such that the runoff is directed into the system The outlet structure is located per the approved plans The outlet structure elevation is per the approved plans Trash rack is provided on the outlet structure 8 All slopes are grassed with permanent vegetation Vegetated slopes are no steeper than 3 1 �0 The inlets are located per the approved plans and do not cause short circuiting of the system The permitted amounts of surface area and/or volume have been provided . 12 Required drawdown devices are correctly sized and located per the approved plans /13 All required design depths are provided All required parts of the system are provided, such as a vegetated shelf and a fore bay /15 The required system dimensions are provided per the approved plans All components of the storm water BMP are located in either recorded common areas or recorded easements Cc NCDENR-DEMLR Regional Office Brunswick County Building Inspections Casmer, Jo From Casmer, Jo Sent: Tuesday, July 19, 2016 2 32 PM To- 'sentryselfstoragenc@hotmail com','crussell@eces biz' Subject: Sentry Self Storage, Stormwater Permit SW8 990224 The Wilmington Regional Office of the Division of Energy, Mineral, and Land Resources (Stormwater Section) received the Stormwater Permit Application and $505 00 fee on July 13, 2016 The project has been assigned to Steve Pusey and you will be notified if additional information is needed Please be advised that the construction of built -upon area may not commence until the Stormwater Permit is issued Jo Casmer Administrative Assistant for DEMLR/Stormwater Section North Carolina Department of Environmental Quality Department of Environmental Assistance & Customer Service 910 796-7336 office 910 350-2004 fax io casmerOncdenr gov 127 Cardinal Drive Extension Wilmington, NC 28405 othing Compares,%_ Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties r C,'. ,'7' DI J'J t) , `'144tT1, :' _ ^IWUX Oje 0 'IG Sc"1G, 1 1' Iq 1 rt - ; 7 t`I C , c, L Ji tJO, U4- E W` ( t'F' {� 1 - — ..-. 1 a c q Completeness Review Checklist Project Name Received Date J— i3 lce Project Location �4 )� �l� Accepted Date C.JZ ( 3 2e) 0 Rule(s) 2008 Coastal 995 Coastal ®Phase II (WiRO) Universal LJ1988 Coastal Type of Permit New or Mod or PR Existing Permit # (Mod or PR) 4 D a PE Cert on File? Density HD or LD Type Commercial or Residential NCG Stream Class OSA Map Offsite to SW8 Subdividd? eSubdivision or SineW t Lyle Lot MORMap p gExempt EPaperwor Emaded Engineer on ppment(s) (1 original per BMP) BMP Type(s) &M with correct/original signatures (1 onginol per BMP except LS/VFS and swales) -«App ,I cation with correct/original signatures [71Geed rp or LLC Sig Auth per SoS or letter ail Address 0�3�(within 6mo) ad Address Design Engineer Owner Soils Report with SHWT bZJ, pu74L_. Note 4o RevleWeP^ alculations (signed/sealed) fv ��� Z No obvious errors includes common areas, etc Deed Restrictions, if subdivided Signed & Notarized Plans ds (roads, cul-de-sacs, curbs, sidewalks, BMPs, Buildings, etc) G'radmg ®Wetlands Delineated or No Wetlands Vicinity Map gout (proposed BUA dimensions) Legend Of7A Maps roject Boundaries Infiltration Soils Report �SHWT Bottom Visited Additional Information BUA (sf) DA (sf) PP (el) SHWT (el) Depth (ft) SA (sf) Wet Pond ®Soils Report SHWT PP Offsite ®PE Cert for Master Deed Rest for Master BUA Permitted (Master) BUA Proposed (Offsite) Lot # ®Lot # Matches Master sf sf East Coast Engin ENGINEERS - July 8, 2016 Ms Linda Lewis Division of Energy, Minerals & Land Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405 ig & Surveying, P.C. ERS•SURVEYORS Subject Sentry Self Storage (SW8 990224 Mod) Brunswick County, North Carolina High Density Stormwater Permit ModificationDensi�Stormwater Permit Modification Dear Ms Lewis JUL 13 &16 BY' H On behalf of our Client, JTM Development, Inc enclosed is a permit modification for Sentry Self Storage located off Highway 211 in Brunswick County, North Carolina The project is a high density project, with the runoff from the new impervious surfaces being routed to the emsting on -site stormwater pond The following presents the various components of the enclosed submittal package • One original and one copy of the StorminaterManagement Permit Application, • One original of the lVet Detention Basin Supplement, • One original of the Wet Detention Bann Operation andMaintenameAgreemeni, • A Project Narrative, USGS map with the site identified, • Stormwater Calculations, • Two sets of plans relevant to the Stormwater Subnuttal, Sheets - Cover, Cl— Site Plan, C-2 Stormwater Plan, C-3 Erosion Control Plan, C-4 Stormwater Details, and C-5 Erosion Control Details, • NC Secretary of State Corporation documentation for JTM Development, Inc, • A copy of the soils report by BM Long & Associates, • A copy of the deed for the project, and • Check in the amount of $505 00 to cover the required application fee Should you have any questions or comments, please do not hesitate contacting our office at your convemence Sincerely, J Christian Russell, P E Enclosures pc Mr Terry Mildenberg, JTNI Development, Inc /via email File 1314 (Sentry Self Storage) 4918 MAIN STREET • POST OFFICE BOX 2469 • SHALLOTTE NORTH CAROLINA 28459 • TEL 910-754-8029 • Fax 910-754-8049 FIRM LICENSE NUMBER C3014 i East Coast Engin ENGINEERS - ring & Surveying, P.C. NNERS•SURVEYORS PROJECT NARRATIVE For Sentry Self Storage Expansion Brunswick County, North Carolina July 2016 EROSION AND SEDIMENT CONTROL NARRATIVE Sentry Storage Is located on NC 211 just west of NC 133, the east most access to Oak Island This project will build one additional storage facility and provide stormwater treatment for this budding and associated asphalt pavement The Tax ID number for the property Is 2210064 The total project area and disturbed area Is 3 42 acres The total parcel area 18 33 acres, 12 42 has been previously developed with a wet detention pond as a structured BMP The property generally slopes south with low areas that are soft Excavated material will be used to fill in low areas grade the project area to create defined high points splitting sheet flow to retain similar drainage patterns with the exception being Pond 2 intercepting stormwater sheet flow to the west Silt fence will be installed as required to prevent sediment runoff from stockpile and re -graded disturbed areas With flat slopes and small disturbed area, temporary silt fencing will be a sufficient erosion control measure to prevent any sediment from leaving the site A temporary construction entrance will be installed at the entrance to the to the work area to prevent sediment transport during construction To prevent sediment from entering the stormwater collection system during construction, block and gravel inlet protection will be used on the proposed drop inlets These measures shall be inspected regularly, and the accumulated sediment removed to prevent the conveyance of sediment to any off - site areas The primary permanent erosion control measures that will remain after all disturbed areas have been stabilized and the temporary measures are removed will be permanent grassing A seeding schedule along with a construction sequence, project description and erosion control notes will be included on the plans EC E OV/E JUL 13 2016 STORMWATER MANAGEMENT NARRA IVE The proposed modification to the current permit includes 79,239 SF of existing Impervious area and the addition of a 19,000 SF metal storage building with 12,050 SF of associated asphalt concrete pavement for a total Impervious area of 110,289 SF or 2 5 acres of Impervious area will be routed through Pond 2 4918 MAIN STREET • POST OFFICE BOX 2469 • SHALLOTTE NORTH CAROLINA 28459 . TEL 910 754-8029 • Fax 910-754-8049 FIRM LICENSE NUMBER C 3014 The proposed project Is located within the Cape Fear River Basin The proposed project drams to the Jump and Run stream which is classified SC Sw There are no wetlands on the project site Stormwater from roofs is collected with ram gutters and routed to downspouts that splash onto asphalt concrete pavement Downspouts are located every 20 feet on the long side (190 feet) of the buildings A reverse crown of the aisles act as a gutter and routes stormwater to drop inlets and piped to the wet detention pond, Pond 2 Suitable excavation spoils will be used to fill in low areas and sheet flow stormwater directly into the main section of Pond 2 The total Pond 2 area is approximately 0 34 acres (at elevation 35 0 feet) The discharge orifice is a 1-1/2" SCH 40 PVC pipe with an internal diameter of 1 59 inches This will drawdown the required storage volume in 3 86 days The pond has been sized to provide 90% TSS removal and does not utilize an existing vegetative filter strip but Is discharged into a vegetative ditch In the event of a larger than design ram event, an emergency spillway has been provided at 34 2' MSL The seasonal high water table was observed to be at 32 0' MSL 4918 MAIN STREET • POST OFFICE BOX 2469 • SHALLOTTE NORTH CAROLINA 28459 • TEL 910 754 8029 • Fax 910 754 8049 FIRM LICENSE NUMBER C 3014 East Coast Engir ENGINEERS & Surveying, P.C. ERS•SURVEYORS Sentry Self Storage (SW8 990224) Brutimck County, North Carolina Stormwater Calculations July 2016 CH CAR '''', �p oFEss7 i 35054 ' �-6-201, y oy ticINEE 5� ; R'STIA14 RV9``�� 4928 MAIN STREET -POST OFFICE BOX 2469 •SHALLOTTE, NORTH CAROLINA 28459 •TEL 910 754 8029 *Fax 910-754 8049 FIRM LICENSE NUMBER C-3024 SENTRY SELF STORAGE IMPERVIOUS AREA CALCULATIONS BUILDINGS FUTURE, EXISTING DOT AREA PAVED 19,000 79,239 12,050 TOTAL 110,289 SF TOTAL 2 5 AC SENTRY SELF STORAGE East Coast Engineering RUNOFF VOLUME CALCULATIONS and Surveying - JCR PEAK FLOW CALCULATION Q=C*I*A Q= 219cfs C (umtless) = 0 9 I (in/hr) = 7 1 A ac = 34 RUNOFF VOLUME SIMPLE METHOD, s^ n,otan V = 3630 * RD * RV *A RV=005+(09*IA) IA = IMPERVIOUS AREA/DRAIN? AGE AREA DRAINAGE AREA (s�= 149,036 IMPERVIOUS AREA (so = 110 n IA (%) = 74 00% V (c = 13,3390 RD (in) = 1 5 DPSIGN RAiNrAi r RV = 072 A (ac) = �3l4241 DRAIN aGl,AREA SENTRY SELF STORAGE Wet Detention Basin Calculations Pond 2 East Coast Engineering Surveying, PC JCR Drainage Area (DA) = 1 149,036 sf or 3 42 ac Impervious Area (IA)= 110,2891 sf 2 53 ac Percent Impervious (1) IA/DA 0 740 or 74 0% SAIDA, 90% TSS Pond Depth = 6 00528 or 5 28% AVERAGE POND DEPTH = 48 Min req'd SA @ PP (SA/DA)x(DA) 7,869 sf DOES PROJECT DRAIN TO SA WATERS NO MIN REQ STORAGE VOLUMEFROM BMP MANUAL P 3-5 13,339 cf Surface Area provided PP Elev = 32 00 1 10 170 sf Enough Surface Area provided7 YES Surface area at top of Vag Shelf 11 364 sf Storage volume above PP & below Veg Shelf 5,384 cf Volume needed above Veg Shelf 7,955 cf Surface area provided @ TP Elev = 34 00 13,412 Storage depth above Veg Shelf 1 50 Stora a volume provided above VagShelf 18,582 Total Storage Volume Provided 23,966 OK Total storage depth above PP 2 00 ft AREA.a t,, 10,170 AREA,,,ia.,, mdl 5,567 AREAdoda wd 2 596 DEPTH.,,, Eo„esed :�a 60 AVERAGE DEPTH 48 Outlet Sizing Q - 2 day drawdown time Min re 'd storage volume x (1 in 12 days) 0 077 cfs ' Q - 5 day drawdown time Min re 'd storage volume x 1 in / 5 days) 0 031 cfs Height h 1/3 Min Storage Depth) 067 ft C o Constant 06 Required Area for Q-2 A = Q/(C x (2gh)"2) 283 in Required Area for Q-5 A = Q/(C x (2gh)"2) 1 13 in Onfice Choosen 1-1/2 " SCH 40 1 1 591 in CHECK Area Provided by Onfice Choosen A = nrz 1 99 in Area Provided by Onfice Choosen 0 014 ft2 The Average head h = 1/3(Temporary Pool depth - 1/2 onfice diameter 641 in The Average head 10 534 ft Q provided Q = Ca(2gh)112 0 049 cfs OK SENTRY SELF STORAGE POND ELEVATIONS TOP OF FREE BOARD ELEVATION = 3500 TEMPORARY POOL ELEVATION = 3400 TOP VEG SHELF ELEVATION = 3250 PERMANENT POOL ELEVATION = 3200 BOTTOM VEG SHELF ELEVATION = 3150 BOTTOM OF POND ELEVATION = 2600 BOTTOM OF DEBRIS CLEANOUT ELEVATION = 2500 SENTRY SELF STORAGE East Coast Engineering Surveying PC JCR POND VS FOREBAY POND VOLUME TO FOREBAY COMPARISON FOREBAY VOLUME PP AREA IN FB (SF) 2152 BTM POND AREA IN FB (SF) 930 DEPTH BELOW SHELF IN FB (FT) 350 VOLUME PROVIDED (CF) 5,394 VOLUME REQUIRED (CF) 5,209 M VEG SHELF AREA (SF) S,E M POND AREA (SF) 2,`. BELOW SHELF (FT) 6 FOREBAY % OF POND 21 % SENTRY SELF STORAGE STAGE STORAGE TABLE STAGE ELEVATION AREA (SF) INCREMENTAL TOTAL (fmsl) VOLUME (CF) VOLUME (CF) 0 (bottom) 2600 2,596 0 0 1 2700 3,080 2,838 2,838 2 2800 3,588 3,334 6,172 3 2900 4,122 3,855 10,027 4 3000 4,681 4,402 14,429 5 3100 5,265 4,973 19,402 7 (bottom 3150 5,567 2,708 22,110 shelf) 8(pp) 3200 10,170 3,934 26,044 9 (top shelf 3250 11,363 5,383 31,427 10 (TP) 3400 13,412 18,581 50,008 `�-_._-a vl.l _a mar /.C' �rVr�> /. � 1 { _ 'G `A� n --I-. _ •' �� .J _ 'A7+ �--'�. y - _ _ _�_ __ •• /', -`a �L-_ .. _ - _ ..� it �- 4 a\\„ \ } '_ I- _ _ �>.' D Y _-i}IF/^ Y ` �",4„ �1�• �- �-\� �\ ... ^tea cem ( TE y �I CAmrmh of the /C h V 1 BM ]a PCh kk nd yo t 1 Sainiy n r 4 0 -- '.�BRUN K OUNTY- I\ IflPoR- 1 I •i� Al D 0 ' Soule 1 25000 " -2WOft ® 2002 Oal.olm. 9-D TupuQua41s ® O.W oopYnyht of www amenne ee,n 7/11/2016 Corporations Division Click Here To North Carolina Elaine F Marshall DEPARTMENTOF THE Secretary SECRETARY OF STATE PO Box 29622 Raleigh, NC 27626-0622 (919)807-2000 View Document Filings File an Annual Report Amend a Previous Annual Report Print a Pre -Populated Annual Report form Corporate Names Legal J TM Development, Inc Business Corporation Information Sosld Status Annual Report Status Citizenship Date Formed Fiscal Month State of Incorporation Registered Agent Corporate Addresses 0334716 Current -Active Current Domestic 12/3/1993 December NC Mildenberg, Jon T Principal Office 106 Live Oak Lane Wilmington, NC 28411 Reg Office 106 Live Oak Lane Wilmington, NC 28411 Reg Mailing 106 Live Oak Lane Wilmington, NC 28411 Mailing 3408 Wilshire Blvd, Ste 300 Wilmington, NC 28403 Officers Secretary Dorothy Mildenberg 106 Live Oak Lane Wilmington NC 28411 President Jon T Mildenberg 106 Live Oak Lane Wilmington NC 28411 Stock Class COMMON Shares 100000 No Par Value Yes Account Login Register httpJ/www sosnc gov/S�rch/profcorpr4786045 1/1 6K 1766 K6029 Niulial" [WNrY NC 11r MT.Er VNI., NL Into 14111I 1NI IVoo/11i flU O f0R RC GISTRATI0R $1000 00 lus WE Ma MEcmo SrhsCH OR YI ILE PATE TIIIE fMAMIMe11W AS 10 Ixf Y]M ial MEIN I I. I ...L41ato UNLESS I.E list Is SMrAM 1401194 F4,o p0LIRA A GI Real Estate ',ij DEC 0 Pit2 51 or His NIITEN AMP SIGhfo CEMIINCA1f Mad after recording to 1 T M Development, Inc 6013 Wellesley Place Wdlm Bh8�'guu-5ii�Nta III �1�EDb "Offs , MAY This msaumcnt was prepared by Jackson Mills & Caner p II RC A 5710 Oleander Dave Suite 112 Wilmington NC 28403 Brief description Ior tire Index 18 60 acres in Brunswick County Parcel No 22100064 STATE Or NORTH CAROLINA — COUNTYOrBRUNSWICK CENLRAI WARRANTY DEED THIS DEED made thts2N1 day of ry_ 1998 by and bCIICLl AGNES R LEE AS TRUSI EE OF TIIE AGNES R LFE REVOCABLE TRUST and WILLIE F LEE and wd'c AGNES 13 LEE hereafter GRANTOR and J T Al DEVPLOPOIFNT, INC, Imrca0cr GRANTEE The designator, Grantor and Grantee as used herein Shall include said parties, their hers, successors end assign; and shall include singular plural masculine feminine of neiner as required by context JO WITNESSETII That the Grantor for a valuible consideration paid by Ilia Grantee 'lie receipt ofyvlucti Is hereby acknowledged, has and by these presents does grant, bargain sell and convey unto the Grantee In fee simple, aft that certain lot or parcel of land situated in Brunswick County North Carolina and more particularly described as follows BEING ALL THE PROPERTY DESCRIBED ON EXHIBIT 'A HERETO ATTACI ICD AND MADE A PART HF_REOI BY RErCRCNCE TO HAVE AND f0 HOLD the almesaid IN or parLCI of land and all pavileges and appummntts thereto belonging to the Grantee in fee simple And the Grantor covenants will the Granleu, that Grantor is seized of the premises In (La simple, has the right to convey the slate it, T fee simple That title is marketable and free and clear of all encumbrances and (hat Grantor will warrant and defend the Title against tine lawful claims Fall persons whomsoever except I All restrictive covenants of record If any 2 Ad valorem loxes for the year 1998 and thereafter 3 All utility easements permits rind rights of way of record 4 All zoning land use and planning ales regulation$ ordinances and statutes a I Rc•��a a Cc"LC_ l0 0 10(9 T01Awlk AklIK�.E.,10--, � eru-- u1f CASK IJZiLl� I f_fU "lt1 JACKSON, WILS G'-APrER I \LKSON, MILLS $s CAl11En, PA 111". 11. N,.-4..ua A V 1 266 P00030 IN %VITNCSS WHFREO[ the Grantor has hereunto set their hands and seals ihL illy ind yr.ar first above Wnticn AGNCS R LLC RCVOGABLE I IjUST 6Y,. - 4kL �.3cd��(SEAL) N -/Agnes R ee, Trustee \VdlrC Snes RA .Ls ` — S1ATP OFFLORIDA COUNTYOF I, t ' a Notary Public of the County of nd Slat. TRUSTEC OF AGNES R, LCE I2EVDCADLErTRUSTd personally y enlfy (fill, AGNCS R LCE, acknowledged the due execution of the foregoing instrument for the purposes urpoeired before in this day and purposes therein expressed WITNESS my hand and official stomp or seal this the , ° day of .\ 1998 My Commission Expires Notary Public �r � roux aosvun y� NY fA1W1i511416 ,yIn , i"C1f, fX%4U$ $S'apJM IJ Ili (AFFIX NOTARIAL SEAL) STATE Of FLORIDA COUNTY OF J, I a Notary Public of tlu. County of and State aforesaid, do herebycertdy that WILLIC P LEE and wife AGNCS LF LCC personally appeared before me this day and acknowledged the due execution of the foregoing instalment for the purposes therein expressed WITNESS my hand and official stamp or seal this the r_ day of 0 — Iggg `Notary Pubbc My Commission Expires i - raoo eavmtn , ' uYroausssxtiu.,svr �" 4� e•PtlYS ssi..e. la iNY STATE OF NORTH CAROLINA COUNT Y OF BRUNSWICK The Foregamg(or Annexed) Ccmficaie(s)a( wi This ho Houment wagesilD non the FusIpathis Dayof �i=CPm�ja (` Who Bonk and Page shown on the Fust Pagc hereof 1998, ar, e d r J ROBII+SON�Regfslnr or Oeeds Y GK 1 ?66 PGO03 I EXIII811 A BEGINNING also old iron pipe In the southern right -of way of N C Highway #21 1, which Sala Point Is the SOUL heastem comer of 0mt 16 2 acm trait conveyed by Coastal Services Corporation to Cape Fear Ceindery Corporation m Book 452 at Pege 855 Brunswick Registry, ,,it begirm% poun Is also located South 60 degrees 26 1/2 mmutas East 350 feet from the nonhwrslun comer of a 40 acre Iraq previously owned by Consul Services Corporation as dcscnbed in Book 401 page 339, Brunswick Registry, from said point of Beginning runs thence with a ditch on the line South 31 degrees 22 minutes West 2 106 62 feet to an old pipe rims thence with the center of branch Scott, 49 dcgees 19 1/2 minutes East approximately 342 12 feel 10 a new iron pipe in the northwestern line Of the Clinton Bcllamy property runs thence North 33 degrees 22 minutes East 2221 69 feet to the southern nght of way of N C I Itghway 11211, runs thence with the southern right -of --way of N C Highway 211 North 60 degrees 26 1/2 minutes West 410 feel to the place and point of Beginning containing 18 60 acres as per survey for Coastal Smlces Corpotaimn by Howard M Loughlin R L S dated Apt 14 1983 )ACLbu N, MIL0 6c CARTEL, PA wnuw�m Po"' C+n u.0 a East Coast Enginr g & Surveying, P.C. ENGINEERS -PLAN NERS•SURVEYOIRS Delivery by USPS and Email December 2, 2015 Ms Georgette D Scott Stormwater Supervisor NCDENR Surface Water Protecuon Secuon 127 Cardinal Drive Extension Wilmington, North Carolina 28405-3845 Subject Sentry Self Storage (SW8 990224 Mod) Brunswick County, North Carolina High Density Stormwater Permit Modification Final Certification Dear Ms Scott F_cE h DEC 0 4 2015 Lit BY On behalf of our Client, JTM Development, Inc, please find enclosed the required Designer's Ceruficauon and checklist for the Phase 2 poxuon of the subject project and the new Pond #2 The Phase 2 constriction of this project and Pond #2 was recently completed and found to be built within substantial compliance and intent of the approved plans and specifications We are forwarding you the hard copies of the Designer's Certification and check list today via the USPS Digital copies arc being forwarded via email By copy of this letter, we are forwarding a copy of the enclosed Designer's Certification form and checklist to Ms Brigit Flora, P E , Brunswick County Stormwater Fnginecr, via email We are also forwarding a copy of this same information to our Client, bit Terry Mildenberg for his files via email Should yo9ATNve any questions or require any additional information, please contact out office at your Since el}', c EAL. Robert L' Tucker, PE12656 Resident Engineer a ' -t VGINV G,�G4 ART E Enclosures 2,. pe Ms Brigit Flora, P E , Brunswick County Engineering w/Enclosures via Email NIr Terry Mildenberg, JTM Development, Inc w/Enclosures via email File 1314 (Sentry Self Storage) 4918 MAIN STREET ePOST OFFICE BOX 2469 •SHALLOTTE, NORTH CAROLINA 28459 *TEL 910 754 8029 *Fax 910 754 8049 FIRM LICENSE NUMBER C 30r4 East Coast Engineering & Surveying, P.C. ENGINEERS•P ANNERS•SURVEYORS Dehvery by USPS and Email September 17, 2014 Ms Georgette D Scott Stormwater Supervisor NCDENR Surface Water Protection Section 127 Cardinal Drive Extension Wilmington, North Carolina 28405-3845 Subject Sentry Self Storage (SW8 990224 Mod) Brunswick County, North Carolina High Density Stormwater Permit Modification Partial Certification for Phase 1 Area and New Pond #2 Dear Ms Scott I ccz§ z, By SEP 18 ?01¢ On behalf of our Client, JTM Development, Inc, please find enclosed the required Designer's Certification and checklist for the Phase 1 portion of the subject project and the new Pond #2 The Phase 1 construction of this project and Pond #2 was recently completed and found to be built within substantial compliance and intent of the approved plans and specifications We are forwarding you the hard copies of the Designer's Certification and check list today via the USPS Digital copies are being forwarded via email By copy of this letter, we are forwarding a copy of the enclosed Designer's Certification form and checklist to Ms Bngit Flora, P E , Brunswick County Stormwater Engineer, via email We are also forwarding a copy of this same information to our Client, Mr Terry Mildenberg for his files via email At such time in the future that the Phase 2 building and drive/parking area has been satisfactorily constructed, we will provide a separate Designer's Certification for the remaining portion of this approved permit modification Should you have any questions or require any additional information, please contact our office at your convemenee Sincerely, Alan ewes, President Project Manager Enclosures Pc Ms Bngit Flora, P E , Brunswick County Engineering w/Enclosures via Email Mr Terry Mildenberg, JTM Development, Inc w/Enclosures via email File 1314 (Sentry Sdf Storage) 4918 MAIN STREET • POST OFFICE BOX 2469 • SHALLOTTE NORTH CAROLINA 28459 • TEL 910 754 8029 • Fax 910 754 8049 FIRM LICENSE NUMBER C 3014 Scott, Georgette From Alan Lewis <alewis@eces biz> Sent Wednesday, September 17, 2014 6 19 PM To Scott, Georgette Cc Brigit Flora, Terry Mildenberg Subject Sentry Storage SW8 990224 Mod Attachments Sentry Storage SW Cert Package SW8 990224 Mod 9-17-14 pelf Georgette, Attached is my cover letter dated today and the Designer's Certification form that has been completed by Gerald Devito, P E of our firm for the subject project We have mailed you the hard copies today By copy of this email, I am forwarding the attached digital information to Ms Brigit Flora, P E of Brunswick County Engineering and to our Client, Mr Terry Mildenberg, for their files Should you have any questions or comments, please do not hesitate to contact me at your convenience Thank you, Alan C Lewis, President Project Manager East. -'Coast NGINEERING'&SURVEYING PC Alan C Lewis, President Director of Planning & Management Services Post Office Box 2469 Shallotte, North Carolina 28459 (o)910-754-8029 (f) 910-754-8049 (m)910-443-2081 Engineers, Planners, Surveyors alewis(Reces biz www eces biz CJNFIDENrIAL RY SIATEMFNT Fills e malt hansimssron is intended only for the use of the individual or entity named above and may contain information that is i,onfidenhal privileged and exempt from disclosure under applicable law If you are not the mended recipient you are hereby notified that any disclosure copying distribution cruse of any of the infomtahon contained in this transmission is strictly prohibited If you have received this transmission in error please in imediately notify me by a mad at the above address