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HomeMy WebLinkAboutSW8070726_HISTORICAL FILE_20070810STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS Ep HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2pp't 0 10 YYYYMMDD r W A7F9 j � -I August 10, 2007 Jeffery L Zimmer, Manager ZP Group, LLC 111 Princess St Wilmington, NC 28401 Subject Stormwater Permit No SW8 070726 Shallotte Food Lion High Density Project Brunswick County Dear Mr Zimmer Michael F Easley Governor William Ross Jr Secretary North Carolina Department of Environment and Natural Resources Coleen H Sullins Director Dn ision of Water Quality The Wilmington Regional Office received a complete Stormwater Management Permit Application for Shallotte Food Lion on August 9, 2007 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 Permit No SW8 070726 dated August 10, 2007, for the construction of the subject project This permit shall be effective from the date of issuance until August 10, 2017, and shall be subject to the conditions and limitations as specified therein Please pay special attention to the Operation and Maintenance requirements in this permit Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adludicatory hearing upon written request within sixty (60) days following receipt of this permit This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, P O Drawer 27447, Raleigh, NC 27611-7447 Unless such demands are made this permit shall be final and binding If you have any questions, or need additional information concerning this matter, please contact Chris Baker, or me at (910) 796-7215 SincerelZ2 ZX / ( L4" — Edward Beck Regional Supervisor Surface Water Protection Section ENB/csb S \WQS\STORMWATER\PERMIT\070726 aug07 cc Charles Cazier, P E , Tripp Engineering, P C Brunswick County Building Inspections Chris Baker Wilmington Regional Office Central Files Noy Carolina Naturally North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617. Phone (919) 733 7015 Customer Serve Internet www ncwaterouahty ore Location N 512 Saltsbury St Raleigh, NC 27604 Fax (919) 733 2496 1 877-623-6748 An Equal Opportunity/Affirmative Action Employer — 50 % Recycled/10% Post Consumer Paper State Stormwater Management Systems Permit No SW8 070726 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Jeffery L Zimmer and ZP Group, LLC Shallotte Food Lion US Hwy 17, Brunswick County FOR THE construction, operation and maintenance of a wet detention pond 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 Water Quality and considered a part of this permit This permit shall be effective from the date of issuance until August 10, 2017, and shall be subject to the following specified conditions and limitations I DESIGN STANDARDS 1 This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data 2 This stormwater system has been approved for the management of stormwater runoff as described in Section 16 on page 3 of this permit The stormwater control has been designed to handle the runoff from 330,211 square feet of impervious area 3 The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans 4 All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans 5 The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system Page 2 of 7 State Stormwater Management Systems Permit No SW8 070726 6 The following design criteria have been provided in the wet detention pond and must be maintained at design condition a Drainage Area, 9cres 998 Onsite, ft 397,093 Offsite, ft2 37,635 b Total Impervious Surfaces, ft2 330,211 c Design Storm, inches 1 d Pond Depth, feet 57 e TSS removal efficiency 90% f Permanent Pool Elevation, FMSL 225 g Permanent Pool Surface Area, ft2 22,692 h Permitted Storage Volume, ft3 38,973 1 Temporary Storage Elevation, FMSL 24 i Controlling Orifice 2 5" 0 pipe k Permitted Forebay Volume, ft3 24,062 1 Fountain Horsepower, HP 1/2 m Receiving Stream/River Basin Shallotte River / Lumber n Stream Index Number 15-25-2-(1) o Classification of Water Body "C,Sw,HQW" II SCHEDULE OF COMPLIANCE 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 3 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 Page 3 of 7 State Stormwater Management Systems Permit No SW8 070726 4 Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ The records will indicate the date, activity, name of person performing the work and what actions were taken 5 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 1/2 horsepower 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 shall be maintained via appropriate 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 Project name change c Transfer of ownership d Redesign or addition to the approved amount of built -upon area or to the drainage area e Further subdivision, acquisition, lease or sale of all or part of the project area The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought f Filling in, altering, or piping of any vegetative conveyance shown on the approved plan 11 The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction 12 A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction Page 4 of 7 State Stormwater Management Systems Permit No SW8 070726 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 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 formal permit transfer request to the Division of Water Quality, accompanied by a completed name/ownership change form, documentation from the parties involved, and other supporting materials as may be appropriate The approval of this request will be considered on its merits and may or may not be approved The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215 6A to 143-215 6C 3 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 4 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 5 The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility 6 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 7 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 8 Approved plans and specifications for this protect are incorporated by reference and are enforceable parts of the permit 9 The permittee shall notify the Division any name, ownership or mailing address changes within 30 days Permit issued this the 10th day of August, 2007 NORTKZ'AROLINA-ENVIRONMENTAL MANAGEMENT COMMISSION for uoieen h zjunins, uirector Division of Water Quality By Authority of the Environmental Management Commission Page 5 of 7 State Stormwater Management Systems Permit No SW8 070726 Shallotte Food Lion Stormwater Permit No SW8 070726 Brunswick Countv Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, (Project) for (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications The checklist of items on page 2 of this form is included in the Certification Noted deviations from approved plans and specification Signature Registration Number Date SEAL Page 6 of 7 State Stormwater Management Systems Permit No SW8 070726 Certification Requirements 1 The drainage area to the system contains approximately the permitted acreage 2 The drainage area to the system contains no more than the permitted amount of built -upon area 3 All the built -upon area associated with the protect is graded such that the runoff drains to the system 4 All roof drains are located such that the runoff is directed into the system 5 The outlet/bypass structure elevations are per the approved plan 6 The outlet structure is located per the approved plans 7 Trash rack is provided on the outlet/bypass structure 8 All slopes are grassed with permanent vegetation 9 Vegetated slopes are no steeper than 3 1 10 The inlets are located per the approved plans and do not cause short- circuiting of the system 11 The permitted amounts of surface area and/or volume have been provided 12 Required drawdown devices are correctly sized per the approved plans 13 All required design depths are provided 14 All required parts of the system are provided, such as a vegetated shelf, and a forebay 15 The required system dimensions are provided per the approved plans cc NCDENR-DWQ Regional Office Brunswick County Building Inspections Page 7 of 7 OFFICE USE ONLY Date Receivedf Fee Paid Permit Number o w o7 72 State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original I GENERAL INFORMATION I Applicants name (specify the name of the corporation, individual, etc who owns the project) ZP Group, L L C 2 Print Owner/Signing Official's name and title (person legally responsible for facility and compliance) Jeffrey L Zimmer Manager 3 Mailing Address for person listed in item 2 above 111 Princess St City Wilmington State NC Zip 28401 Telephone Number 910-763-4669 4 Project Name (subdivision, facility, or establishment name — should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc ) Shallotte Food Lion 5 Location of Project (street address) Intersection of US Hwy 17 and NC Hwy 179 City Shallotte County Brunswick 6 Directions to project (from nearest major intersection) From the intersection of NC Hwy 130 and US Hwy 17 Bus proceed SW alone US Hwy 17 Bus turn left on Sellers St The property s located between Sellers St and Village Rd NC Hwy 179 Latitude N 34° 5T 30" Longnude W 780 25' 00" of project 7 Contact person who can answer questions about the project Name Charles Cazier Telephone Number 910-763-5100 II PERMIT INFORMATION I Specify whether project is (check one) X New Renewal Modification Form SWU-101 Version 3 99 Page I of 2 if this application is being submitted as the result of a renewal or modification to an existing permit, list The existing permit number N/A and its issue date (if known) 3 Specify the type of project (check one) Low Density 2L High Density Redevelop General Permit Other 4 Additional Project Requirements (check applicable blanks) CAMA Major X Sedimentation/Erosion Control _ 404//401 Permit NPDES Stormwater Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748 III PROJECT INFORMATION 1 In the space provided below, summarize how stormwater will be treated Also attach a detailed narrative (one to two pages) describing stormwater management for the project Proposed wet detention facility designed for state 1 0" and town pre -post requirements 2 Stormwater runoff from this project drams to the Lumber River basin 3 Total Project Area 998 acres 4 Project Built Upon Area 673 % 5 How many drainage basins does the project have9 I 6 Complete the following information for each drainage area If there are more than two 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 Basin 1 Drainage Basin 2 Receiving Stream Name Shallotte River Receiving Stream Class C-SW-HQW Dramage Basin Area 11 06 ac Existing Impervious * Area Proposed Impervious * Area 7 58 ac % Impervious* Area (total) 68 5 % Impervious * Surface Area Drainage Basin I r On -site Buildings 51,128 sf On -site Streets On -site Parking 167,044 sf On -site Sidewalks 12,039 sf Other on -site - Future 62,365 sf Off -site 37,635 sf Total E=330,211 sf * 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 3 99 Page 2 of areas sidewalks, gravel areas, etc 7 How was the off -site impervious area listed above derived 80% IV DEED RESTRICTIONS AND PROTECTIVE COVENANTS The following italicized deed restrictions and protective covenants are required to be recorded for all subdivisions, outparcels and future development prior to the sale of any lot If lot sizes vary significantly, a table listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment I The following covenants are intended io ensure ongoing compliance with state stormwater management perma number as issued by the Division of Water Quality These covenants may not be changed or deleted without the consent of the State 2 No more than *.094 - square feet of cry lot shall be covered by structures of impervious materials Impervious materials include asphalt, gravel, concrete, brick stone, slate or similar material but do not include wood decking or the water surface ofswimmnigpools 3 Shales shall not be fulled in, piped or altered except as necessary to provide driveway crossings 4 Built -upon area in excess of the permitted amoumt requires a state stormwater management permit Modification prior to construction 5 Allpermitted runofffrom outparcels or future development shall be directed into thepermittedstormwater control system These connections to the stormwater control system shall be performed in a manner that maintains the integrity and performance of the system as permitted By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required above, 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 State, and that they will be recorded prior to the sale of any lot V SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project Contact the Stormwater and General Permits Unit at (910) 733-5083 for the status and availability of these forms Form SWU-102 Form SWU-103 Form SWU-104 Form SWU-105 Form SWU-106 Form SWU-107 Form SWU-108 Form SWU-109 Wet Detention Basin Supplement Infiltration Basin Supplement Low Density Supplement Curb Outlet System Supplement Off -Site System Supplement Underground Infiltration Trench Supplement Neuse River Basin Supplement Innovative Best Management Practice Supplement Form SWU-101 Version 3 99 Page 3 of 4 1. Vi SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ) A complete package includes all of the items listed below. The complete application package should be submitted to the appropriate DWQ Regional Office 1 Please indicate that you have provided the following required information by initialing in the space provided next to each item Applicant's Ir)nials • Original and one copy of the Stormwater Management Permit Application Form t/ • One copy of the applicable Supplement Form(s) for each BMP • Permit application processing fee of $420 (payable to NCDENR) • Detailed narrative description of stormwater treatment/management • Two copies of plans and specifications, including - Development/Project name - Engineer and firm - Legend - North arrow - Scale - Revision number and date - Mean high water line - Dimensioned property/project boundary - Location map with named streets or NCSR numbers - Original contours, proposed contours, spot elevations, finished Floor elevations - Details of roads, drainage features, collection systems, and stormwater control measures - Wetlands delineated, or a note on plans that none exist - Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations - Drainage areas delineated - Vegetated buffers (where required) VII AGENT AUTHORIZATION If you wish to designate authority to another individual or firm so that they may provide information on your behalf, please complete this section Designated agent (individual or firm) Tripp Engineering, P C Mailing Address City Wilmington State NC Zip 28401 Phone (910)763-5100 VIII APPLICANT'S CERTIFICATION Fax (910)763-5631 1, (print or type name ofperson listed in General Information, item 2) er certify that the information included on this permit application form is, to the best o my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective coven�ts will be recorded, and that the proposed project complies with the requirements of 15A NCAC 2F1 1000 Signature Form SWU-101 Version 3 99 Page 4 of 4 Date I- 3!'2tiv? TRIPP ENGINEERING, P.C. 0 419 Chestnut Street Wilmington, North Carolina 28401 Phone (910)763-5100 • FAX (910)763-5631 August 7, 2007 NCDENR Division of Land Resources Water Quality Section 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Chris Baker Re- Shallotte Food Lion Project No SW8 070726 TE No 07029 Dear Mr Baker, In response to your correspondence dated August 6, 2007, we have updated page 2 of the application with the correct river and stream information Please replace this page in your review package Thank you Sincerely, Tripp Engineering, P C Charles D. Cazier P E CDC dcb Eric ��'ZV�'� AUG 0 9 2007 BY �- AUG 08,2007 10 53A Tripp Engineering 9107635631 page 1 s Job No Date TRIPP ENGINEERING, P.C. 419 Chestnut Street, Wilmington, NC 28401 Phone (910) 763-5100 • FAX (910) 763-5631 Email trippeng@,,ec rr com LETTER OF TRANSMITTAL to n1P2D)� A//I/` Attention �_l F /✓9/ /S �[ �1��_ _ �" Subject 4S�/Ct CL D�/f' )`z 7�C� / (�'Lf/it% y O7O� X FAX TRANSMITTAL NUMBER OF PAGES INCLUDES COVED f am sending you ( ) ATTACHED ( ) UNDER SEPARATE COVER ( ) Prints ( ) Tracings ( ) Copy of letter ( ) Specifications ( ) Other Copies Item No These are transmitted as checked below ( ) For Approval ( ) For Your Use/ l( /) Sign & Return ( ) Review Remarks %%�j _ W�{ / cc State Stormwater Permit Application Tracking Cover Sheet Wilmington Regional Office Project Name SHALLOTTE FOOD LION Project Category. NEW Project Type. HD - DETENTION POND App Accept Date / / 3 i / 0 7 Application Fee Amt: $ Fee Cheek Number 8 Reviewer Name BAKER, CHRIS Record the following information from BIMS after project has been entered! Permit Number (BIMS) SW 8076 7 Z & Please update the SW Access System by entering the Permit Number for the project! Date Entered in Access 0 % Entered in Access By M w ( PrM VU (n q C S Date Printed 8111200710 12 25 AM TRIPP ENGINEERING, P.C. 0 419 Chestnut Street Wilmington, North Carolina 28401 Phone (910) 763-5100 • FAX (910) 763-5631 August 1, 2007 NCDENR Division Water Quality 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Chris Baker Re: Shallotte Food Lion Shallotte, NC TE No. 07029 Dear Mr Baker, Enclosed please find two (2) sets of plans, one (1) complete signed application form with narrative, (1) wet detention supplement form, two (2) sets of calculations, a highlighted plan, and a check to cover the application fee Please review for approval and contact us with any questions, comments, or if you need additional information Thank you Sincerely, Tripp Engineering, P.C. Charles D. Cazier P.E. CDCyh Eric Stormwater Narrative Shallotte Food Lion Shallotte, North Carolina Shallotte Food Lion is a 9 98 ac vacant tract proposal for commercial development. The commercial shopping center will be designed high density and treated by wet detention. The drainage area for the wet pond of 1106 ac includes one out -parcel The proposed construction of 51,128 sf building, 167,044 sf parking, 12,395 sf concrete sidewalk, 62,365 sf future, and 37,635 sf for outparcel #1 creates a total of 330,211 sf (7.58 ac) impervious area This is a total drainage basin impervious of 68.5% and a project impervious of 67.3%.The pond will meet both the state's V and county's pre -post design requirements Outflow will discharge to classification C-SW, McMillan's branch. 07l3l/2007 Shallotba Food Lion 07029 CLC Pond Calculations Total Drainage Area ft aues 481 989 11 1 Impemous Area Land Use sq It I acres buildings 51128 1 17 arks as haft 167 044 383 sidewalks 12039 028 Future 100 000 230 otal 330,211 758 Time of Concentration Hydraulic Length (L) = 712 ft change in Height (H) = 6 ft T. = (L'/H)—/128 772 min Flow for 2 year 6 hour Storm (02) QME - (Ci ) x (I'd x (Area) 14 38 cfs Qw = (Cp ) x (I'd) (Area) - 42 00 Cis cN = (a8)(% imp) + (W)(t-% imp) 87 P = 3 30 in fo2yr 6 hr stone S=1000/CN - 10 149 Depth (D)= [P-(0 2)(S)F / [P+(0 8)(S)] 2 00 in Time to Peak Flow Tp = [(43 5)(D)(AM)] / QZP T 22 96 min r :ll' I• •V��:p• Pond Sae Elevation III) Surface Area ft) Normal Pool 22 50 22 692 Flood Pool 2400 29 272 rop of Bank 2700 37 156 Bottom of Pool 11 50 729 Provided Storage Volume Vol = [(Normal pool SA + Flood Pool SA) / 2] x IF P elev - N P elev ) 38 973 cu It 07029pond-7-26 As 1 of % impervious = 0 685 = 68 5% say 70 0% C,= 025 C. = (% imp)( 95)+(1-% imp)(25) 073 I:= 520 inMr ho = 6 30 inlhr Flow for 10 year, 6 hour Storm (Q,d Qr _ (C, ) x (I,) x (Area) 17 43 Cis Q,, = (Corer) x %) x (Area) 50 89 Cfs mi rw w - i Doren CN = (98)(% imp) + (60)(1-%imp ) 67 P = 4 82 in for 10 yr 6 hr storm S=1000/CN - 10 149 Depth (D)= [P-(0 2)(S)Y / [P+(0 8)(S)] = 340m Time to Peak Flaw Tp = [(43 5)(0)(Area)] / Q,o �. 32 14 min D below N P = (Chart for 900/6 TSS Removal for Wet Detention 21 State Volume Required for Storage of first 1' of runoff Rv 05+ 009(%imp) 067 V= (Design minfal0(Rv)(Dramage Area) - 26 774 cu It \NES$R0�i��i �pF /0i v 4 SEAL 7 032555 07/31=07 CLC Pond Volume Shallotts Food lion Pond Calculations Bottom SA = 729 sq ft Normal Pool SA = 22 692 act ft Vol = [IN P SA + Bottom SA) / 21 x IN P el - Bottom at ) = 128816 cu ft Required Volume Vol = 20% of storage volume 25 763 ou R Flow for 2-day drawdavm for 1 st 1' of stor, m cater, Q = Required Vol / 172,800 sec (2-days) 0 155 cfs Required Area of Pipe for 2-day drawdown A= Q/ [Cd x SQRT(2 x g x h)] Cd= 06 g = 32 2 US2 h=(FP elm -NP elev)2 075ft A = 0 0372 sq ft Diameter of Pine for 2-dav drawdaxn CIA = SQRT[(A x 4) / pq = 02175ft 261m Use 2 5 in diameter pipe Lair,[3i_ .7a. MIrc TMI Using a 4' x 4' Basin Perimeter L 18ft Q = CIA C = (% imp )( 95) + (1-% imp )( 25) 073 1= 6 30 in for a 25 yr Storm A = 11 06 Acres 50 89 cis Q=CwxLx H1fi H= IQ/(Cwx Qr Cw=3 - 104 ft Peak elevation = good pool elevation + H 2504ft Provided Volume Bottom SA = 3 949 sq ft Nomral Pod SA = 8 082 sq ft Vol = [IN P SA + Bottom SA) / 21 x (N P el - Bottom el ) 24 062 cu ft Flaw for 5da drawdmm for 1st 1' of stonnwater Q = Required Vol / 432 000 sec (5-days) 0 062 cfs Required Area of Poe for 5-day dmwdown A= Q/[Col x SQRT(2 x g x h)] Cd= 06 g = 32 2 ftls' h=(FP 4.Im -NP elev)l2 075ft A= 00149sq fl Diameter of Pipe for 5-day drawdown CIA = SQRT[(A x 4) / pQ 0 1376 ft 1 65 m 07029 07029pord-7-26 )ils 2 of 2 SOSID 0774255 Date Filed 3/5/2007 10 34 00 AM Elaine F Marshall North Carolina Secretar3 of State C200706400687 STATE OF INCORPORATION NC SECRETARY OF STATE R L L P ID NUMBER 07742SS NATURE OF BUSINESS Real estate holding company RfiGiSTFRFD AGFNT Zimmer, Jeffrey L REGISTERED OFFICE MAILING ADDRESS PO Box 2628 Wilmington, NC 28402 REGISTERED OFFICE STREET ADDRESS III Princess Street Wihmington, NC 28401 New HanoverComnty PRINCIPAL OFFICE TELEPHONE NUMBER (910) 763-4669 PRINCIPAL OFI'1Ch MAIIANU ADDRESS PO Box 2628 Wilmngton, NC 28402 PRINCIPAL OFFICE STREET ADDRESS 111 Princess Street Wilmington, NC 18401 MANAGERS/MEMBERS/ORGANIZERS None Jeffrey L. Zimmer nde manger Address PO Box 2628 Wilmington, NC 28402 CERTIFICATI OF AL REPORT MUST BE COMPLETED BY ALL LIMITED LIABILITY COMWANIES 1-m Z FORM, S BY A MANAOER/A4EMBER / TYPE OR PRINT NAME 20070223 DATE • • c_�.t rrr ANNUAL REPORT FEE &Pad Som*wy of Stale • Cap=a= Dmam • Poti Offim Box 29525 • Raki&% NC 27626-0525 IIHNIIIIY WIIN�IIIN