Loading...
HomeMy WebLinkAboutSW8001125_CURRENT PERMIT_20010216STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW SrU0�g� DOC TYPE r7-9 CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD 4 Noah Carolina Department of Environment and Natural Resources Division of Water Quality Wilmington Regional Office ]Michael F. Easley, Governor William G. Ross, Jr., Secretary February 16, 2001 Mr. E. Blanton Hamilton, Jr., Vice President Tribek Management, Inc., Manager Carteret Commons, LLC 200 Providence Road, Suite 106 Charlotte, NC 28207 Subject: Permit No. SW8 001125 Pier 1 Imports High Density Stormwater Project Carteret County' Dear Mr. Hamilton: The Wilmington Regional Office received a complete Stormwater Management Permit Application for Pier 1 Imports on January 24, 2001. 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 001125 dated February 16, 2001, for the construction of Pier I Imports. ]'his permit shall be effective from the date of issuance until February 16, 2011, and shall be subject to the conditions and -limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this pernut. 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 adjudicatory hearing upon written request within thirty (30) 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 Off -ice of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 2761 1-7447. 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 Linda Lewis, or me at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSS/arl: S:1WQSISTORMWAWERMI]1001125 cc: Bill Forman, P.E. Morehead City Building Inspections Linda Lewis Wilmington Regional Office Central Files 127 Cardinal Ur. EXt., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action Employer ] 50'4 recycled110%, post -consumer paper I State Stormwater Management Systems Permit No. S W8 001 125 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 Carteret Commons, LLC Pier 1 Imports Carteret County FOR THE construction, operation and maintenance of 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 February 16, 2011 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 beer' approved for the management of stormwater runoff as described on pale 3 of this permit, the Project Data Sheet. The stormwater control has been designed to handle the runoff from- - 60,840 square feet of impervious area. 3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 4. The tract will be limited to the amount of built -upon area indicated on' page 3 of this permit, and per - approved plans. 5. The runoff from all onsite and offsite built -upon area permitted with this project must be directed into the permitted stormwater control system. 6. All design elements of the system must meet those outlined in NCAC 2H.1000. 2 I State Stormwater Management Systems Permit No. SW8 001 125 DIVISION OF WATER QUALITY PRO,IECT DESIGN DATA SHEET 11'ro.iect Name: Permit Number: Location: Applicant: Mailing Address: Application Date: Name of Receiving Stream/Index 4: Classification of Water Body: If Class SA, chloride sampling results Pond Depth, feet: Permanent Pool Elevation, FMSL: Drainage Area, acres: Total Impervious Surfaces, ft': Offsite Area entering Pond, ft': Required Surface Area, ft'-. Provided Surface Area, ft'-: Required Storage Volume, ft': Provided Storage Volume; ft': Temporary Storagd'Eldvation, FMSL: Controlling Orifice: Draw Down Time: Pier 1 Imports SW8 001125 Carteret County Mr. E. Blanton Hamilton, Jr., Vice President Tribek Management, Inc., Manager Carteret Commons, LLC 200 Providence Road, Suite 106 Charlotte, NC 28207 .January 24, 2001 UT Newport River / WHO 21-1 licit n/a 5 16 1.67 60,840 none, per Engineer 4,358 4,887 4,866 6,338 17.16 I (� pipe 3 days 3 State Stornwater Management Systems Permit No. SWS 001 125 IE. SCHE?DULL OF COMPLIANCE The stormwater management system shall be constructed in it's 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 ofthe system will be repaired immediately. The permittee shall at all times 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 revegetation of side slopes. d. Immediate repair of eroded areas. e. Maintenance of side slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping. g. Access to the outlet structure must be available at all times. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel ofDWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. Decorative spray fountains will not be allowed in the stormwater treatment system. 6. The facilities shall be constructed as shown on the approved plans. This permit shall become voidable 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. 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. A modification must be permitted prior to any construction. The following items will require a modif ication to the permit. The Director may determine that other revisions to the_project should require a.modification to the permit: a. Any revision to the approved plans, regardless of size. b. Project name change. c., Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area. e. Further subdivision, acquisition, or sale of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control flan approval was sought. f Filling in, altering, or piping of any vegetative conveyance shown on the approved plan: 10. 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. M State Storm.vater Management Systems Permit No. SW8 001 125 IL Prior to the sale of any portion of the property, an access/maintenance easement to the stormwater facilities shall be granted in favor of the permittee if access to the stormwater facilities will be restricted by the sale of any portion of the property. 12. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built -upon area. 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. 14. The permittee shall notify the Division of any name, ownership or mailing address changes within 30 days. Ill. GENERAL CONDITIONS This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Water Quality accompanied by an application fee, 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 bie approved. 2. 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) which have _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. 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 reissuance or termination does not stay any permit condition. 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. Permit issued this the 16th day of February, 2001. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION .1 Kerr T. Stevens, Director JR" 7 Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW8 001125 State Stormwater Management Systems Permit No. SW$ 001 125 Pier 1 Imports Storm water Permit No. SWS 001 125 Carteret County 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) `or (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 G2l State Stormwater Management Systems Permit No. S v\18 001 125 Certification Requirements: 1. The drainage area to the system contains approximately the permitted acreage. 2. The drainage area to the system contains no more than the permitted amount of built -upon area. 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. 4. "]'he outlet/bypass structure elevations are per the approved plan. 5. The outlet structure is located per the approved plans. 6. Trash rack is provided on the outlet/bypass structure. 7. All slopes are grassed with permanent vegetation. 9. Vegetated slopes are no steeper than 3:1. 9. The inlets are located per the approved plans and do not cause short-circuiting of the system. 10. The permitted amounts of surface area and/or volume have been provided. l l . Required drawdown devices are correctly sized per the approved plans. 12. All required design depths are provided. 13. All required parts of the system are provided, such as a vegetated shelf, and a forebay. 14. The overall dimensions of the system, as shown on the approved plans, are provided. cc: NCD1✓NR-DWQ Regional Office Morehead City Building, Inspections 7 ��'-y������y„�, '•`� y;�� ��,�."OFFtCF;Y:iSE.ON1rX. 4�<�,�.,.,,��,��a�` ��;���,m Date Received Fee Paid Permit Number •�!—ZZr2�� �, — � ! :goo -- r 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 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): Carteret Commons, L.L.C. - Yr,�r� ¢ed bar. Trihek MArtaae,+�en1', Z he . . 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): E. Blanton Hamilton, Jr. Pre iaP_A� f r- 1 e_ a,na a C. 3. Mailing Address for person listed in item 2 above: 200 Providence Road - Suite 106 City: Charlotte State: N.C. Zip: 28207 Telephone Number: (704 _ ] 333-8484 _ 4. Project. Name (subdivision; facility; or establishment name.- should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Pier 1 Imports Commercial Site 5. Location of Project (street address): 4426 U.S. Hwy. 70 City: Morehea_dClty_ _ County: Carteret 6. Directions to project (from nearest major intersection): from intersection of US Hwy. 70 and NC Hwy..24, take US Hwy. 70 west approx. 0.94 miles, site is on right at corner of US Hwy. 70 and Harris St.(SR 1237) 7. Latitude: N 34044' 22" Longitude: W 76048' 39" ti of project 8. Contact person who can answer questions about the project: _ Name: E. Blanton Hamilton, Jr. Telephone Number: (704 ] 333-8484 II. PERMIT INFORMATION: 1. Specify whether project is (check one): x New Renewal Modification Form SWU-101 Version 3.99 Page 1 of 4 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 x High Density Redevelop General Permit Other 4. Additional Project Requirements (check applicable blanks): - CAMA Major x Sedimentation%Erosion'Contr`ol " '=40440i Permit - ` NPDES Stormwater Information on required state permits can be obtained by contacting the Customer SeMce'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. wetrdetention Pond 2. Stormwater runoff from this project drains to the White Oak River basin. 3. Total Project Area: 1.858 acres 4. Project Built Upon Area: 75.2 % 5. How many drainage areas does the project have? ' 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. Basui lrifoxri itton§ Drauiage Area 1 A ". `Dr �^ri .w �'�ri •: ^ � „t A , „& � t sa. �- .xY•.�,xi v�i,�„3w*. �i�i',ye� Receiving Stream Name un—named to New ort River Receiving Stream Class G -S-& Drainage Area 1.669 AC Existing Impervious* Area n/a Proposed Im ervious*Area 1.397 AC % Impervious * Area (total) 83,71 €. ervious Surface Areas ,. g Aea 1 _� Drama eAaea2 . g4 , On -site Buildings 15460 SF On -site Streets On -site Parking L 7 On -site Sidewalks 1660 SF Other on -site n/a Off -site , . n/a` Total: 60840 SF Total: * Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Form SWU-10I Version 3.99 Page 2 of 4 a t How was the off -site impervious area listed above derived?_ n/a 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 developmeiit`pnor 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. 1. The following covenants are intended to ensure ongoing compliance with state stormwater management permit 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 square feet of any lot shall be covered by structures or impervious materials. Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood decking or the water.surface of swimming pools. 3. Swales shall not be fiIIed in, piped, or altered except as necessary to provide driveway crossings. 4. Built -upon area in excess of the permitted amount requires a state stormwater management permit modification prior to construction. 5. All permitted runoff from outparcels or future development shall be directed into the permitted stormwater 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. r 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 (919) 733-5083 for the status and availability of these forms. Form SWU-102 Wet Detention Basin Supplement Form SWU-103 infiltration Basin Supplement Form SWU-104 Low Density Supplement Form SWU-105 Curb Outlet System Supplement Form SWU-106 Off -Site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-108 Neuse River Basin Supplement Form SWU-109 Innovative Best Management Piactice Supplement ------------ Form SWU-101 Version 3.99 Page 3 of 4 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 eachjitern _+;, ., . 1 ; r <1' `� d Original and one copy of the Stormwater Management Permit,Application Form • One copy of the applicable Supplemerit 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 & 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): Stroud Engineering, P.A. Mailing Address: 151-A N.C. Hwy. 24 _ City: Morehead City State: N.C. Zip: 28557 Phone: ( 252 } 247-7479 Fax: { 252 ) 247-4098 VIII. APPLICANT'S CERTIFICATION I, (print or type name of person listed in General Information, item 2) E' Blanton Hamilton, Jr. certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A NCAC 2H .1000. �� 0 Signature- L1r . _ . ..... _._._._...Date: Form SWU-101 Version 3.99 Page 4 of 4 Permit No. i (to be provided by DWQ) _ State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPL,ICATIONTORM- � r s' -- WET DETENTION,BASIN SUPPLEMENT This form may be photocopied far use as an original .. ' DWQ_Stormwater Management Plan Review: A complete stormwater management plan submittal includes an application form, a wet detention basin supplement for each basin, design calculations, and plans and specifications showing all basin and outlet structure details. I. PROJECT INFORMATION - • . • . . _ Project Name: Pier 1 Imports Commercial Slte Contact Person: E. Blanton Hamilton, Jr. Phone Number: (704 ) 333-8484 For projects with multiple basins, specify which basin this worksheet applies to: n/a T elevations Basin Bottom Elevation 11.0 ft. (floor of the'basin) • Permanent Pool Elevation 16.0 ft. (elevation of the orifice) Temporary Pool Elevation 17.16 ft. (elevation of the discharge structure-overfloiv) areas Permanent Pool Surface Area 4887 sq. ft. (water surface area at the orifice elevation) Drainage Area 1.669 ac. (on -site and off -site drainage to the basin) Impervious Area 1.397 ac. (on -site and off site drainage to the basin) volumes Permanent Pool Volume 12313 a 5 defy aeat I� Dint G cu'. ft;-(combined volume of main basin and forebay) Temporary Pool Volume 6338 cu. ft. (volume detained above the permanent pool) Forebay Volume 2598 ' cu. 'ft. ' (dpproximately'20% of total volume) Other parameters SAIDAI 6.1 (surface area to drainage area ratio from DWQ table) Diameter of Orifice 1 in. (2 to 5 day temporary pool draw -down required) ., Design Rainfall 1 in. Design TSS Removal 2 90 % (minimum 85% required) Form SWU-102 Rev 3.99 Page 1 of 4 Footnotes:- ;t . t When using the Division SA/DA tables, the correct SA/DA ratio for permanent pool sizing should be computed based upon the actual impervious % and permanent pool depth. Linear interpolation should be employed to determine the correct value for non- standard table entries. 2 In the 20 coastal counties, the requirement for a vegetative filter ,may be waived if the wet detention basin is designed to provide 90% TSS removal. The NCDENR BMP manual provides design tables for both 85% TSS removal and 90% TSS, removal. f-., .� ^r•.pyt ^r. ,f•-tt. 1 r r.-r- 4 1 .t. r ._. II. REQUIRED ITEMS CHECKLIST The following checklist outlines design requirements per the Stormwater Best Management Practices Manual (N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code Section: 15 A NCAC 2H .1008. Initial in the space provided 'to indicate the following design requirements have been met and supporting documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit Application Form, the agent may initial below. If a requirement has not been met, attach justification. Applicants Initiials a. b. C. The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet). The forebay volume is approximately equal to 20% of the basin volume. The temporary pool controls runoff from the design storm event. d. The temporary pool draws down in 2 to 5 days. e. If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow calculations) -" - . .- -`---- ,. _ , . . 1. ..� ' f. , The basin length to width ratio is greater than.3:1._... g. The basin side slopes above the permanent pool are no steeper than 3:1. h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less (show detail). i. Vegetative cover above the permanent pool elevation is specified. j. A trash rack or similar device is provided for both the overflow and orifice. �1lft K. A recorded drainage easement is provided for each basin including access to nearest right- of-way. 1.- If the basin is used for sediment and erosion control during construction, clean out of the basin is specified prior to use as a wet detention basin. in. A mechanism is specified which will drain the basin for maintenance or an emergency. ���,, p L� ill jib �J✓Cp/c /i � � � Ill. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wet detention basin system is -defined as,the wet detention -basin,,pretreatment incl_uding,forebays and the vegetated filter if one is provided. ` 7!; ; :l:';r "i •. i1 .�t i ,. ):717. This system (check one) .0 does,, doesmot -incorporate a vegetated filter at the outlet. This system (check one) 0 does pCdoes not incorporate pretreatment other than a forebay. Form SWU-102 Rev 3.99 Page 2 of 4 Maintenance activities shall be performed as follows: 1. After evey significant runoff producing rainfall event and at least monthly:: a. Inspect the wet detention basin system foT sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re -seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. . 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. r 4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be -disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wet detention basin, or stream, etc.). . _.......... a f' The measuring device used to determine.the• sediment elevationt'shall be such.that it will give an accurate depth reading and not readily penetrate into accumulated sediments: When the permanent pool depth reads IS feet in the main pond, the,sedirrient shall be removed. ^. When the permanent pool depth reads- 25 feet in the forebay, the sediment shall be removed. - BASIN DIAGRAM (fill in the blanks) • - r L Permanent Pool Elevation W. Sediment R\Ele al El. L3.15 75 ------------- -- Sediment Removal Elevation L Z. ZS 75% Bottomanon% --------------------------------------------- ------- Bottom Elevation �� 25% FOREBAY MAIN POND 5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These plants shall be encouraged to grow4long the''vegetated'shelf and forebda b6rm: b. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergencytdraim shall' be'inin'imized' to tHe' maximum extent `practical.' � Form S W U-102 Rev 3.99 Page 3 of 4 7. All components of the wet detention basin system shall be maintained in good working order. I acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures Iisted above. I.agree to notify DWQ of any problems with the,system or prior to any changes to the system or responsible party. Print name: E. Blanton Hamilton, Jr. Title: V i..ee.. Pres'dew,-, Address:' 200 Providence"Road - Suite'-106, Charlotte, N.C.- 28207 Phone:_ _ . 704-333-8484 - Signature: Date:_ z4za/ 2� Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. I, X , a Notary Public for the State of 1� County of k-GP. ah, do hereby certify that B �n �14h personallyappeared before tis day of and acknowledge the due execution of the forgoing wet -detention -basin- maintenance- requirements. Witness my -hand and official seal, SEAL 3 My commission expires i 0 Form SWU-l02 Rev 3.44 Page 4 of 4 i { 2092 STROUD ENGINEERING, P.A. CONSULTING ENGINEERS HESTRON PLAZA TWO 161-A HWY. 24 MOREHEAD CITY, NORTH CAROLINA 28557 (252) 247-7479 October 30, 2002 Mr. Rick Shiver NCDFNR — Wilmington Regional Office Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Re: Pier 1 Imports High Density Stormwater Project Carteret County SW8 001125 Owner: Mr. E. Blanton Hamilton, Jr., Vice President Tribek Management, Inc., Manager Carteret Commons, LLC 200 Providence Road, Suite 106 Charlotte, NC 28207 Dear Mr. Shiver, Please find enclosed the Engineer's Certification and Requirements Checklist for the referenced project. This project's stormwater facilities have been installed in accordance with the approved plans and specifications. Sincerely, CI-2(Z d::It D. Cullipher, P.E. ,%%"Ish110fioy"a�, 4�%% PT H CAR �.• sY ES&2 • �•Q� 02 y SEAL (� 3 ` pl 13343 Q/N ES �t lot' C Cc: Mr. F. Blanton Hamilton, Jr., Tribek Management, Inc. 107 COMMERCE ST. SUITE B GREENVILLE, NC 27858 (252) 756-9352 102-D CINEMA DRIVE WILMINGTON, NC 28403 (910) 815-0775 HESTRON PLAZA TWO 151-A HWY. 24 MOREHEAD CITY, NC 28557 (252)247-7479 State Stormwater Management Systems Permit No. SW$ 001 125 I'ier 1 Imports . . Stormwater Permit No. SWS 001125 • Carteret County Designer's Certification 1, i 1 t J, as a duly registered EAJ& t & EF in the State of No th Carolina, having been buthorized to observe eriodica weekly/full time) the construction of the project, --------- PIE '. Im PO R TS _ _ (Project) for F, 81A N I J 6,601 I Tew (Project Owner) hereby state that, to the best of nay 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; Signatur &f A Registration Number 13343 Date ae�'+ OPT HOtf, Itr CA/ top,, • of ESs/O'a e .Q SEAT_ r: 3343 o P "�itlpt{{ SEAL 6 State Stormwater Management Systems Permit No. SWS 001 125 Certification Requirements: The drainage area to the system contains approximately the permitted acreage. _RC_2. The drainage area to the system contains.no more than the permitted amount of built -upon area. pG 3. All the built -upon area associated with the project is graded such that the runoffdrains to the system. RDL 4. The outlet/bypass structure elevations are per the approved plan. AD 5. The outlet structure is located per the approved plans. JJ�C_6. Trash rack is provided on the outlet/bypass structure. 9&,7. All slopes are grassed with permanent vegetation. P, N_ 8. Vegetated slopes are no steeper than 3:1. 9. The inlets are located per the approved plans and do not cause short-circuiting of the system. RC. 10. The permitted amounts of surface area and/or volume have been provided. 9DC-_I 1. Required drawdown devices are correctly sized per the approved plans. • JKDL12. All required design depths are provided. _RD�_13. All required parts of the system are provided, such as a vegetated shelf, and a forebay. J }D{ 14. The overall dimensions of the system, as shown on the approved plans, are provided. cc: NCDFNR-DWQ Regional Office Morehead City Building Inspections I* 7