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SW8981020_HISTORICAL FILE_19990310
STORMWATER DIVISION CODING SHEET POST-CONSTRUCTION PERMITS PERMIT NO. SW8 CJ$ 1620 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS © HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE loici q 031 p YYYYMMDD -.State,of North Carolina Department of Environment and Natural Resources Y Wilmington Regional Office 614 52 FAA M EL �® James B. Hunt, Jr., Governor Wayne McDevitt, Secretary Division of Water Quality NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES March 10, 1999 Mr. .leffiey L. Zimmer, Administrator ZP No. 76, LLC PO Box 2628 Wilmington,NC 28402 Subject: Perm it No. SW8981020 CVS Pharmacy-Sneads Ferry High Density Stormwater Project Onslow County Dear Mr. Zimmer: The Wihnington Regional Office received the Stormwater Management Permit Application for CVS Pharmacy-Sneads Ferry on October 20, 1998, with final information on March 9, 1999. 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. S W8 981020 dated March 10, 1999, for the construction of CVS Pharmacy-Sneads Ferry. This permit shall be effective from the date of issuance until March 10, 2009, 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 storntwater 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 Office of Administrative Flearings, P.O. Drawer 27447, Raleigh,NC 2761 1-7447. Unless such demands are made this permit shall be final and bindin,. If you have any questions, or need additional information concerning this matter, please contact Linda Lewis, or me at (910) 395-1900. Sincerely, 767 Rick Shiver Water Quality Regional Supervisor RSS/arl: S:\WQS\STORMWAT\PERINIIT\981020.MAR CC' Fred Cone, P.E. Corann Harper, Onslow County Inspections John Pierce, P.L.S. Linda Lewis Wilmin.on Regional Office Central Files 127 Cardinal Dr. Ex[.,Wilmington,North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal opportunity Affirmative Action Employer 50% recycled/10%, post-consumer paper 1 State Stormwater Management Systems t Permit No. SW89R1020 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 ZP No. 76, LLC CVS Pharmacy-Sneads Ferry 077SIOW CO1071y FOR THE construction, operation and maintenance of a detention pond in compliance with the provisions of 15A NCAC 21-1 .1000 (hereafter referred to as the "slormWaler 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 March 10, 2009 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 on page 3 of this permit, the Project Data Sheet. The stormwater control has been designed to handle the runoff from 50,900 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. 2 State Stormwater Management Systems - Perinit No. SW8 981020 DIVISION OF WATER QUALITY PROJECT DESIGN DATA SHEET Project Name: CVS Pharmacy-Sneads Ferry Perm it Number: SW8 981020 Location: Onslow County Applicant: Mr. Jeffrey L. Zimmer, Administrator Mailing Address: ZP No. 76, LLC PO Box 2628 Wilmington,NC 28402 Application Date: October 20, 1998 Water Body Receiving Stormwater Runoff: Mill Creek (CFR 18-87-14) Classification of Water Body: "SA" If Class SA, chloride sampling results: 23 plant Pond Depth, feet: 5 Permanent Pool Elevation, FMSL: 27.18 Total Impervious Surfaces, ft': 50,900 Offsite Area entering Pond, ft': None, per Engineer Required Surface Area, ft': 3,638 Provided Surface Area, ft': 3.800 Required Storage Volume, ft': 4.130 Provided Storage Volume, ft': 4,785 Temporary Storage Elevation, FMSL: 28.28 Controlling Orifice: I"$pipe 3 'State Stonmvater Management Systems Permit No. SW8 981020 11. SCHEDULE OF COMPLIANCE 1. 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 except roads. 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 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 reinoval. 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 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 not be allowed in the stormwater treatment system. 6. The stormwater facilities shall be constructed as shown on the approved plans. This permit shall become voidable unless the stormwater 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. 8. 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. 9. 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. 10. The permittee is responsible for verifying that the proposed built-upon area does not exceed the allowable built-upon area. 11. The runoff from all built-upon area on the project must be directed into the permitted stormwater control system. 12. 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. 4 State Stormwater Management Systems Permit No. SW8 981020 13. The following items will 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 of the project area. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. In addition,the Director may determine that other revisions to the project should require a modification to the permit. 14. 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. 111. GENERAL CONDITIONS I. 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 be 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. 5. The permittee grants DENR Staff permission to enter the property 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. Permit issued this the I Oth day of March, 1999. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION A. Preston Howard, Jr., P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW8 981020 5 State Stormwater Management Systems Permit No SW8 9810,)0 CVS Pharmacy-Sneads Ferry Stormwater Permit No. SW8 981020 OuSlow County Engineer's Certification 1, ,as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full time)the construction of the project, 1 (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. Noted deviations from approved plans and specification: SEAL Signature Re,istration Number Date 6 xW^x—OFR ->USE:OO NLY'5. .x . .+a.rn.,i.."sr Date Rec 'ved Fee Paid ermit Number z 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): ZP NO. 76;LLC__ 2. Print Owner/Signing Official's name and title (the person who is legally responsible for the facility and its compliance): Jeffrey L. Zimmer, LLC Adminstrator (ZP NO. 76,LLC) 3. Mailing Address for person listed in item 2 above: P.O. Box 2628 City Wilmingiion State: NC Zip- 28402 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.): CVS Pharmacy 5. Location of Facility (street address): located at intersection of N.C. Highway 210 & NCSR 1518 Cdy. StumO Sound (Twp,— County Onclnw County 6. Directions to facility (from nearest major intersection): 1 r + ri at intorcortion of N f Highway 210 & NfSR ISJR 7. Iatihide 34°31 "32' Longitude 77°26"04' of facility 8. Contact person who can answer questions about the facility: Name John L Pierce Telephone Number. ( 910 ) 346-9ROn II. PERMIT INFORMATION: 1. Specify whether project is (check one): _ _New Renewal Modification 2. .If this application is being submitted as the result of a renewal or modification to an existing permit, list the exist tng permit number N/A and its issue date(if known) Form SWU-101 April 1998 Page 1 of 4 3. Specify the type of project (check one): _Low Density XX High Density _Redevelop _General Permit _Other 4. Additional Project Requirements (check applicable blanks): _CAMAMajor XX Sedimentation/Erosion Control _404Permit 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. Wet detention pond disioned for 90% T S rpmnval 2. Stormwater runoff from this project drains to the Mill frppk River basin. 3. Total Project Area: 1_72 acres 4. Project Built Upon Area-,fiR % 5. How many drainage basins does the project have? 1 6. Complete the following information for each drainage basin If there are more than two drainage basins in the project, attach an additional sheet with the information for each basin provided in the same format as below. R" e Bas`ut`�iifomatiori��^`z�` ;ice;� Receiving Stream Name Mill Creek Receiving Stream Class SC Drainage Basin Area 75,090 E)dsting Impervious*Area Pro osed Im ervious*Area 50,900 5 f % Impervious*Area (total) (y'� On-site Buildings On-site Streets On-site Parkin On-site Sidewalks 1 ,850 S.f. Other on-site Off-site Total: E= E_ " Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. 7. How was the off-site impervious area listed above derived? N/A IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS Deed restrictions and protective covenants are required to be recorded for.all low density projects and all subdivisions prior to the sale of any lot. Please see Attachment A for the specific items that must be recorded. Form SWU-101 April 1998 Page 2 of 4 By your signature below,you certify that the recorded deed restrictions and protective covenants for this project shall include all the items required by the permit, 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 safe of any lot. V. AGENT AUTHORIZATION If you wish to designate submittal authority to another individual or firm so that they may provide information on your behalf, please complete this section: !t . Designated agent(individual orfitm): Inhn I Piarra (;Urvayin9- MailingAddres P.O. Box 1685 City: Jacksonville State NC Zip: 28540 Phone f 910 ) 146-g80n Fax( 91n ) 146-1210 VI. SUBMITTAL REQU MAENTS This application package will not be accepted by the Division of Water Quality unless all of the applicable items are included with the submittal 1. Please indicate that you have provided the following required information by signing your initials in the space provided next to each item Applic ,'s Initials • Original and one copy of the Stormwater Management Permit Application Form _ • One copy of the applicable Supplement Form(s) for each BMP(see Attachment A) • Permit application processing fee (see Attachment A) • Two copies of plans and specifications including: • 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, parking,cul-de-sacs,sidewalks,and curb and gutter -Wetlands delineated, or a note on plans that none exist - Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations - Drainage basins delineated -Vegetated buffers (where required) VII. APPLICANTS CERTIFICATION I,(print or type nameof person listedin General lnformation,item 2) Jeffrey L. Zimmer, LLC Adminstratcr certify that the information included on this permit application form is correct, that the project will be constructed in conformance with the approved plans, that the deed restrictions in accordance with Attachment A of this form will be recorded all required permit conditions,and that to the best of my knowledge the proposed project complies with a equirements of 15A NCAC 2H .1000. S, Date c"� •j`I'JL'/2 Tide LLC Adminstrator (Z LLC Form SWU-101 April 1998 Page 3 of 4 ATTACFEWENT A 1. Deed Restriction Language The following statements must be recorded for all low density projects and for all projects that involve the subdivision and selling of lots or outparcels: 1. No more than h�L square feet of any lot, including that portion of the right-of-way between the edge of pavement and the front lot line, shall be covered by impervious structures including asphalt, gravel, concrete, brick, stone, slate or similar material but not including wood decking or the surface of swimming pools. This covenant is intended to insure continued compliance with the stormwater permit issued by the State of North Carolina. The covenant may not be changed or deleted without the consent of the State. 2. No one may fill in, pipe, or alter any roadside swale except as necessary to provide a minimum driveway crossing. NOTE: If lot sizes vary significantly, the owner/developer must provide an attachment listing each lot number,size and the allowable built-upon area for each lot. For commercial projects that have outparcels or future development the following statements must also be recorded: 3. The connection from the outparcel or future area into the stormwater system must be made into the forebay such that short-circuiting of the system does not occur. 4. All built-upon area from the outparcel or future development must be directed into the permitted stormwater"control system. 5. Built-upon area in excess of the permitted amount will require a permit modification prior to construction. For curb outlet systems,the following statement in addition to items 1 and 2 above must be recorded: 6. No one may pipe,fill in or alter any designated I00 foot long grassed Swale used to meet the requirements of NCAC 2H .1008(g). 2. SupplementFomms The applicable supplement form(s) listed below must be submitted for each BMP specified for this project 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 Nutrient Management Strategy Supplement 3. Permit Application Fees (check made payable to NCDENR and submitted to the appropriate Regional Office) Type of Permit New, Modification, or Timely Renewal Without Late Renewal Modification Low Density $225 n/a High Density $385 $225 Other $225 n/a Director's Certification $350 rr/a General Permit $50 n/a Form SWU-101 April 1998 Page 4 of 4 F2 : EIVED JOHN L. PIERCE - SURVEYING MAR 0 91999 Land Surveying- Land Planning-Mapping P.O. Box 1685 BY 409 Johnson Blvd. letter of transmittal Jacksonville,N.C. 28541 " io No. Office: (910)346-9800 Fax No.: (910)346-1210 3 9 99 n E-Mail:jpierce@onslowonline.net ATTENrioN Ms. Linda Lewis RE TO Ms. Linda Lewis CVS Pharmacy - N.C. Department of Environment, Stormwater Project No. SW8 981020 Hea th and Natura Resources 127 North Cardinal Drive Wilmington, NC 28405 WE ARE SENDING YOU ❑ Drawings ❑ Attached ❑ Under separate cover via the following items: ❑ Copy of Letter ❑ Prints ❑ Plans ❑ Samples ❑ Specifications ❑ Change order ❑ COPIES DATE NUMBER DESCRIPTION 1 Original signature Page 3 of 3 of the Wet Pond Supplem nt 1 Revised Quad Sheet showing new location 1 Water sample report from Beacham Laboratory 1 Co Iofi' our letter dated 3 3 99 THESE ARE TRANSMITTED as checked below: ❑ For approval REMARKS ❑ For your use ❑ As requested ❑ Approved as submitted ❑ Approved as noted ❑ Returned for corrections ❑ Resubmit copies for approval ❑ Submit copies for distribution ❑ Return corrected prints ❑ For review and comment ❑ For bids due 19 SIGNED iLF�Ce ❑ Prints returned after loan to us NCDEM NCDEH # ]. # 37718 Beacham Laboratory 1820 Wilmington Highway Jacksonville, NC 28540 910-347-5843 REPORT OF ANALYSES JOHN PIERCE, R.L.S. JOHN PIERCE SURVEYING DATE: 03/09/1999 P.O. BOX 1685 JACKSONVILLE, NC 28540- Attn: JOHN PIERCE JOHN PIERCE CLHORIDE (Page 1 of .I) SAMPLE DELIVERY TO LAB LAB No. DATE TIME SAMPLER DATE TIME MATRIX 54271 03/09/99 0900 ALTON A. STONE 03/09/99 0930 WW CLIENT LAB CL- STATION ID NUMBER PPM PIERCE CL- 54271 23 LABORATORY DIRECTOR e ) 6T®RMINATER E C E I V E MAR 0 91999 D D E FRG.i p 5w8j,�/OZO `_'i1D,--�r��_g y � Y' �k' � r � rr) I / x`y"'�v'° d�-�✓ r/ ✓ f r y, f n/ / , �ltio ./Y Y Y-r' rP r a ryJ, ,h f KO, r s C d, r 129 Y r 7 ✓ ` a \ arc.-J �.- t14,GATIoA1 "� , ✓ ,✓.y C r 2 r°'� rx F li r / ! /i ICJ c r / P -40 Ap. J \� fI / gag,-- IX ALLIGATOR , r/r HA J/ ��y / �a � x '��� �T� ✓ � ✓ Yi I� 0I r„iiN�� GHht r l b Name: SNEADS FERRY _- Flow Location: 034°31'32.3" N 0770 26'05.6" W Date:3/9/99 Caption:CVS Pharmacy Scale: 1 inch equals 2000 feet ZP No. 76, LLC Copynght(C)1997,Maptech,Inc. State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office JaruesB. Hunt, Jr., Governor Wayne C EN R Wayne McDevitt, Secretary Division of Water Quality NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES March 3, 1999 Mr. Fred Cone, P.E. 1116 Greenway Road Jacksonville, NC 28546 Subject: ACKNOWLEDGEMENT OF RECEIPT AND REQUEST FOR ADDITIONAL INFORMATION Stormwater Project No. SW8 981020 CVS Pharmacy Sneads Ferry Onslow County Dear Mr. Cone: The Wilmington Regional Office received previously requested information for the Stormwater Management Permit Application for CVS Pharmacy Sneads Ferry on January 12, 1999. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. The chlorides test appears to have been taken at a point in Mill Creek that is upstream of the proposed discharge, and that is not outside a 1/2 mile arc. Please see the attached map. I have drawn in an arc in blue ink that has a radius of roughly 2,640', based on the scale provided. Since no bar scale was provided, I cannot verify whether or not the map scale has been reduced. I have marked an X in blue ink where the sample should be taken to provide an accurate determination of whether this site drains to SA waters or not. 2. Please return the original signature Page 3 of 3 of the wet pond supplement. e 127 Cardinal Dr. Ext.,Wilmington,North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal opportunity Affirmative Action Employer 50% recycled/10% post-consumer paper Mr. Cone March 3, 1999 Stormwater Project No. SW8 981020 ---------------------------------------------- Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to April 3, 1999, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. The Division is allowed 90 days from the-receipt of a completed application to issue the permit. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. Sincerely, Ms. Linda Lewis Environmental Engineer RSS/arl: S:\WQS\STORMWAT\ADDINFO\981020.MAR cc: Linda Lewis Jeff Zimmer Central Files I I k 65, f Z, Vti v -c-t /* A fk32 2— 'JAN 1 2-1999D ' f ' \ / ::, T, J' 7 Giant(C) N n If LN t SY0 �v '21 7, L 7 7 7/ tt Z 7 N A ALZIGAT01, Name: SNEADS FERRY Location: 034' 31'56.8" N 077*25'51.7" W Date: 1/8/99 Caption: CVS Pharmacy Scale: I inch equals 2000 feet ZP No. 76, LLC Copyright(C)1997.Mapuii:h,Inc. - a IT JOHN L. PIERCE - SURVEYING : _ m Land Surveying-Land Planning- MappingAN P.O. Box 1685 409 Johnson Blvd. letter of transmittal Jacksonville,N.C. 28541 qq77� Office: (910)346-9800 Fax No.: (910)346-1210 oJdnUary 8, 1999 oeNo. E-Mail:jpierce@onslowonline.net ATTENTION Ms. Linda Lewis RE TO Ms. Linda Lewis CVS Pharmacy N.C. Department of Environment, SW8 981020 Health anO Naturalesources 127 North Cardinal Drive Wilmington, NC 28405 WE ARE SENDING YOU ❑ Drawings ❑ Attached ❑ Under separate cover via the following items: ❑ Copy of Letter ❑ Prints ❑ Plans ❑ Samples ❑ Specifications ❑ Change order ❑ COPIES DATE NUMBER DESCRIPTION 2 Sets of revised plans 1 Quad sheet with site location 1 Letter from engineer (Frederick E. Cone) 1 Revised calculations 1 Revised sheets (T of 3 & 2uof 3) of stormwater permit app ication -1 Copy of your letter dated 12 14 98 1 Water sample report -from Mill Creek from Beacham La oratory THESE ARE TRANSMITTED as checked below: ❑ For approval REMARKS Should you need any additional ❑ For your use ❑ As requested additional information to grant approval ❑ Approved as submitted please advise. ❑ Approved as noted ❑ Returned for corrections ❑ Resubmit copies for approval ❑ Submit copies for distribution ❑ Return corrected prints ❑ For review and comment ❑ For bids due 19 � ❑ Prints returned after loan to us SIGNED !`/ Frederick E. Cone, P.E. 1116 Greenway Road Jacksonville, N.C. 28546 oTORMWATER January 6, 1999 Ms. Linda Lewis Environmental Engineer E C E I V E D.E.M., Water Quality Section JAN 1 21999 D 127 Cardinal Drive Extension Wilmington, N.C. 28405-3845 D E M FRGJN Subject: Stormwater Project NO. SW8 981020 Modification CVS Pharmacy Stump Sound Onslow County Dear Ms. Lewis: In response to your December 14, 1998 letter, the following information is provided (responses follow the order of your letter): 1. A statement indicating no wetlands on site is provided on plans. 2. Results of a chloride test as requested are attached. A quad sheet with the project site and sample location is also attached. 3. The typo on the supplement regarding the storage elevation has been corrected. 4. The wet pond supplement form has been revised and corrected. 5. The calculations have been revised to reflect a DA of 75,090 sf. We trust the above information answers your concerns. If there are further questions, please contact me at the above address. Sincerely, �4-4 L �X � Frederick E. Cone P zs�n JANUARY6,1997 ST®RM�fl0ATER „ dV �i UGC STORMWATER DETENTION POND CALCULATIONS CVS PHARMACY E C E I V E - N.C.S.R. 1518 JAN 12 1999 D STUMP SOUND TOWNSHIP ONSLOW COUNTY, NC FHo,; a -`p Gu�BIyZo DESCRIPTION: PROPOSED CONSTRUCTION INCLUDES DEVELOPMENT OF A SITE FOR A NEW PHARMACY. CONSTRUCTION WILL INCLUDE PAVING AND LANDSCAPING IN SUPPORT OF THE PHARMACY. THE FACILITY WILL BE BUILT ON AN UNDEVELOPED SITE ON N.C.S.R. 1518, NEAR SNEADS FERRY. STORMWATER CONTROL WILL BE BY USE OF A NEW WET DETENTION POND. THE NEW POND IS DESIGNED FOR 90% TSS REMOVAL. A SUMMATION OF THE CALCULATED STORMWATER RUNOFF IMPACT IS PROVIDED AS FOLLOWS: PAVED/IMPERVIOUS AREA (TO NEW POND)* 50,900 SF GRASSED AREA (CONTRIBUTING TO POND) 16,700 POND : SURFACE AREA 3,800 3:1 SIDE SLOPES 3,690 TOTAL 75,090 SF * BREAKDOWN OF IMPERVIOUS AREA CONTRIBUTING TO NEW POND PAVING/CONCRETE 38,500 SF BUILDING/CANOPY 10,550 SIDEWALK 1,850 TOTAL 50,900 SF 50,900 %IMPERVIOUS = ----------- = 68% 75,090 2. DETERMINE POND SURFACE AREA FOR 90%TSS REMOVAL: DRAINAGE AREA = 75,090 SF PERMANENT POND DEPTH = 5.0' %IMPERVIOUS = 68% SA/DA = 4.86% SA = (75,090) (.0486) = 3,649 SF SAY 3,800 SF 3. DETERMINE VOLUME OF RUNOFF FROM A 1.0 INCH RAINFALL IMP. DRAINAGE AREA = 50,900 SF GRASSED AREA (CONT.) = 16,700 SF (C = 0.2) POND SIDE SLOPES = 3,690 SF (C =0.2) 50,900 (1.0) + (20,390)(0.2) RUNOFF COEFF. _ --------------------------------- 71,290 .771 VOLUME = 71,290 X .771 X 1/12 4,580 CF 4. DETERMINE THE. DEPTH OF STORAGE REQUIRED- SA = 3,800 SF SIDE SLOPES = 3:1 LENGTH OF SHORE = 312 FT VOLUME = 4,580 CF V = 1/2 (3X) (X) (312) + 380OX = 4,580 CF X =DEPTH OF STORAGE = 1.IFT (VOL=4,746 CF) SURFACE AREA @ PERMANENT POND ELEVATION (27.18') = 3,800 SF SURFACE AREA @ V DESIGN ELEVATION (28.28') = 4,878 SF 5. DETERMINE ORIFICE IZE FOR 2 TO 5 DAY DRAWDOWN T ME: VOLUME = 4,746 CF @ 1.1 FT STORAGE 2 DAYS = 172,000 SEC 5 DAYS = 432,000 SEC 4,746 Q2 = ----------- = 0276 CFS 172,000 4,746 Q5 = ----------- = 011 CFS 432,000 1/2 .0276 1/2 .0263 (1.75/2) _ 1/2 011 1/2 0.67 IN _] .0263 (1.75/2) USE 1" ORIFICE FOREBAY CALCULATIONS (20% OF VOLUME) ARE PROVIDED ON THE PLANS. State of North Carolina .- Department of Environment I and Natural Resources Wilmington Regional OfficeEk ON Ain James B. Hunt, Jr., Governor Wayne McDevitt, Secretary NORTH CAROLINA DEPARTMENT OF Division of Water Quality ENVIRONMENT AND NATURAL RESOURCES December 14, 1998 Mr. Fred Cone, P.E. 1116 Greenway Road Jacksonville, NC 28546 Subject: ACKNOWLEDGEMENT OF RECEIPT AND REQUEST FOR ADDITIONAL INFORMATION Stormwater Project No. SW8 981020 CVS Pharmacy Stump Sound Onslow County Dear Mr. Cone: The Wilmington Regional Office received a Stormwater Management Permit Application for CVS Pharmacy Stump Sound on October 20, 1998. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. Delineate all wetlands on site, or note on the plans that none exist. Please add the line symbol for wetlands to the legend. 2. Mill Creek is class SA waters. In order to allow a detention pond for stormwater treatment, please provide the results of a chlorides test taken at a point in the receiving stream that is at least 1/2 mile from the proposed discharge point, as the crow flies, and after 3 days without rain. If the chlorides are greater than 500 ppm, a pond cannot be used. Please include a quad sheet with the project site and sample site located. The remaining comments assume that a pond will be allowed. If not, please revise the submittal to an infiltration pond. 3. The supplement lists the storage elevation as 23.18, which is 4 feet BELOW the permanent pool. It appears this is a typo and should be 28.21, based on the pond detail. Please confirm. 4. The spaces for initials on the wet pond supplement form have been marked N/A. This is not acceptable. Each item must be intialled, as applicable to the project. For item f, a portable pump is an acceptable emergency drain; Item 1 is N/A, since you have used the 90% TSS table. 5. For purposes of determining percent impervious and required surface area, the drainage area to the pond is used. In this case, the DA is 75,090 sf. however, you then turn around and use 71,290 sf to determine the percent built-upon and required surface area. Please revise. 127 Cardinal Dr.Ext.;Wilmington,North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action Employer 50% recycled/10°/ post-consumer paper Mr. Cone December 14, 1998 Stormwater Project No. SW8 981020 ---------------------------------------------- 6. The BMP document recommends a minimum 10' wide vegetated shelf. This project specifies a 2' wide shelf. Please revise. Aside from being extremely difficult to construct, the surface area is not affected by extending the shelf further under the permanent pool, and less excavation is needed. Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to January 14, 1999, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. The Division is allowed 90 days from the receipt of a completed application to issue the permit. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. Sincerely, Ms. Linda Lewis Environmental Engineer RSS/arl: S:\WQS\STORMWAT\ADDINFO\981020.DEC cc: Linda Lewis Jeff Zimmer Central Files JOHN L. PIERCE - SURVEYING , 1oq Land Surveying- Land Planning-Mappin CriVED N P.O. Box 1685 OCT 2 0 1998 409 Johnson Blvd. letter of transmittal Jacksonville,N.C. 28541 Y; 'on No. Office: (910) 346-9800 Fax No.: (910)346-12 October 19 1998 E-Mail:jpierce@onslowonline.net ATTENTION Ms. Linda Lewis RE TO Ms. Linda Lewis ZP N N.C. Department of Environment, CVS Pharmacy Health and Natural Resources 127 North Cardiflal Drive Wilmington, NC 28405 WE ARE SENDING YOU ❑ Drawings ❑ Attached ❑ Under separate cover via the following items: ❑ Copy of Letter ❑ Prints ❑ Plans ❑ Samples ❑ Specifications ❑ Change order ❑ COPIES DATE NUMBER DESCRIPTION 2 Sets of plans L "Stormwater Management Permit Application Form" Check in the amount of three hundred eighty dollars and No/100 ($385.00) T14ESE ARE TRANSMITTED as checked below: ❑ For approval REMARKS Should you need any additional ❑ For your use ❑ As requested information, please advise. ❑ Approved as submitted ❑ Approved as noted ❑ Returned for corrections ❑ Resubmit copies for approval ❑ Submit copies for distribution ❑ Return corrected prints ❑ For review and comment ❑ For bids due 19 SIGNED ❑ Prints returned after loan to us