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HomeMy WebLinkAboutSW8960918_Historical File_19980701OF W ATF 2 r O �c r December 3, 2007 ,VII . Edwin I. Ennis, Jr. 2545 Castle Hayne Rd. Wilmington, NC 28401 Subject: Stormwater Permit No. SW8 960918 Ennis Retail High Density Project New Hanover County Dear Mr. Ennis: Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins Director Division of Water Quality The Wilmington Regional Office received a complete Stormwater Management Permit Application for Ennis Retail on August 13, 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 21-1.1000. We are forwarding Permit No. SW8 960918 dated December 3, 2007, for the construction and continued operation of the subject project. This permit shall be effective from the date of issuance until December 3, 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. The reissuance of this stormwater permit does not imply that the site is currently in compliance with the terms and conditions of this state stormwater permit. 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 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 Aisha Lau, or me at (910) 796-7215. Sincere , Edward Beck Regional Supervisor Surface Water Protection Section ENB/ahl: S:IWQSISTORMWATERIPERMIT1960918Ren.dec07 cc: Ms. Jessica Hubeny, Tripp Engineering New Hanover County Building Inspections City of Wilmington Development Services Beth E. Wetherill, New Hanover County Engineering Wilmington Regional Office Central File None Carolina 46111 y North Carolina Division of Water Quality. 127 Cardinal Drive Extension Wilmington, NC 28405 Phone (910) 796-7215 Customer Service Wilmington Regional Office Internet: www.ncwateNuality.org Fax (910) 350-2004 r--I.877-623-6748 An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper State Stormwater Management Systems Permit No. SW8 960918 Renewal 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 Mr. Edwin 1. Ennis, Jr. Ennis Retail New Hanover 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 December 3, 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 1.6 on page 3 of this permit. The stormwater control has been designed to handle the runoff from 237,370 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. 6. The following design criteria have been provided in the wet detention pond and Page 2 of 7 State Stormwater Management Systems Permit No. SW8 960918 Renewal must be maintained at design condition: a. Drainage Area, 9cres: Onsite, ft : Offsite, ft2: b. Total Impervious Surfaces, ft2: C. Design Storm, inches: d. Pond Depth, feet: e. TSS removal efficiency: f. Permanent Pool Elevation, FMSL: g. Permanent Pool Surface Area, ft2: h. Permitted Storage Volume, ft3: Temporary Storage Elevation, FMSL: j. Controlling Orifice: k. Receiving Stream/River Basin: I. Stream Index Number: M. Classification of Water Body: II. SCHEDULE OF COMPLIANCE 10.21 207,320 30,050 237,370 6 90% 18 18,000 39,444 attemporarypoolel 20 2.5" 0 pipe Ness Creek / Cape Fear 18-74-62 "C Sw" 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. 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. Page 3 of 7 State Stormwater Management Systems Permit No. SW8 960918 Renewal 5. 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. 6. 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. 7. 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. 8. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 9. 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. 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 11. 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. 12. 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. Page 4 of 7 State Stormwater Management Systems Permit No. SW8 960918 Renewal 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. 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 worth 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 project 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 3rd day of December, 2007. NORT CAROLINA E ONMENTAL MANAGEMENT COMMISSION �2 for Coleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Page 5 of 7 AUG 20,2007 03:12P Tripp Engineering 9107635631 page 1 Sob No.Mg Date: _EZQ_2007 TRIPP ENGINEERING, P.C. 419 Chestnut Street, Wilmington, NC 28401 Phone: (910) 763-5100 + FAX: (910) 763-5631 E-mail: trippeng@ec.rr.com LETTER OF TRANSMITTAL To: NCDENR Attention: Pat Durrett Subject: —Ennis Retail -A. FAX TRANSMITTAL: NUMBER OF PAGES INCLUDES COVER 2 I am sending you: ( X ) ATTACKED ( ) UNDER SEPARATE COVER ( ) Prints ( ) Tracings ( ) Copy of letter ( ) Specifications ( ) Other Cqgies Item No. l2escriptioil Page 1 Wet Detention O & M Agreement These are transmitted as checked below: ( ) For Approval ( X ) For Your Use ( ) Sign & Return ( )Review Remarks: Picase let ua know if re is an in el that yoILneed in order to„compiete he permit renewal rocess. Cc: Signed:__Iessi a tfubeny AUG-14-2007 TH 04:09 PM NODENR O f FAX NO. 9103502004 P. 02/04 Michael F. Easley, Governor Wiliam G. Ross, Jr_, Secretary North Carolina) Department of Environment and Natural Resoureas Alen W. Wiffok, P.E. Director Division of taster Qurtl' SURFACE WATER PROTECTION SECTION 9-0r TAL STORAilWATER PERMIT RENEV!!AL APPLICATION FQBM L. CURRKNT PERUrr INFORANATION: 1 . Stormwater Management Permh Numbor:aWS 960918 2. Permit Holder's name: Eckm0p I. Ennis Jr. 3. Signing official's name: Edwin .Enni Jr. TiW: _ Owner (person legally responsible for permit) 4. Mailing a, State:hlC Project Name: Location of Project: (mm aadra�) 2523 Clastl ne R Directions to Project (ftm neamrg ajW0,, lr+wmac um)__ 2623 Castle Mayne Road adimnt to MCDCnelds at tha inte sction de Lme Rd and N Kerr. PERMIT INFORMA noN Spe* the tYl of stormwater treatment (wet pond, Infiftion, atc.):.Wet det lion List any Changes (from prgsot that wa6 oVitany mprOVed, attach addinortal Pea" if needed) None 3, Do You have a Copy of the original Operation and Maintenance Agreement?Yes X No Applicanfa Cerdfllcagon: 1, (print)_ ca& //w ify that the information included on this permit renewal app 6 #o the best y ge, correct and complete. Slgnatur . Date: 8 r3 Submit this comp! ed form along with an application fee of $420.00 and a Copy of the designers certification to the address listed below. Norlh Garonne O1vnslnn *1 ft*rQuauty C43 MoWro w Squw Moll Phana ME) 946.648t Cu9t0mer 5aNae 1-877-62W48 UVaehltl W Regie nal MOB Wa6hngbn, NC 21889 FAX {25,2W&g2j5 inte M; h2a enr,et*.=us An Equal tlpPQAuA fAf5fM d*Adw EmoWar-.50% Pzqdetlmo% paUCmawngr Paper of WAr �� Michael F. Easley, Governor ' � 7 William G. Ross Jr., Secretary t` North Carolina Department of Environment and Natural Resources >e 3� Alan W. Klimek, P.E. Director 0 - Division of Water Quality May 21, 2007 Mr. Edwin Ennis Jr., Owner Ennis Retail 2545 Castle Hayne Rd Wilmington, NC 28401 Subject:: Stormwater Permit No. SW8960918 Ennis Retail New Hanover County Dear Mr. Ennis: The Division of Water Quality issued a Coastal Stormwater Management Permit, Number SW8960918 to Mr. Edwin Ennis Jr. for a High Density stormwater pond to serve Ennis Retail on 10/1/1997. This permit will expire on 10/1/2007. Section .1003(h) of 15 A NCAC 2H .1000 (the stormwater rules) requires that applications for permit renewals shall be submitted 180 days prior to the expiration of a permit and must be accompanied by a processing fee, which is currently set at $420.00. If this is still an active project please complete and submit the enclosed renewal. application in a timely manner. If this project has not been constructed and a permit is no longer needed, please submit a request to have the permit rescinded. If you have sold the project, or are no longer the permittee, please provide the name, mailing address and phone number of the person or entity that is now responsible for this permit. Enclosed is a form for change of ownership, which should be completed and submitted if the property has changed hands. Your permit requires that upon completion of construction and prior to operation of the permitted treatment units a certification of completion be submitted to the Division from an appropriate designer for the system installed. This is to certify that the permitted facility has been installed in accordance with the permit, the approved plans, specifications and supporting documentation. Please include a copy of the certification with your permit renewal request and processing fee. Enclosed is a copy of a sample certification. Also enclosed is a new Operation and Maintenance agreement that should be completed and submitted along with your renewal application. You should be aware that failure to provide the Designer's Certification and the operation of a stormwater treatment facility without a valid permit, are violations of NC General Statute 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $10,000 per day. If you have any questions, please feel free to contact staff in the stormwater group at 910-796-7215, Sind, Ed Beck, Regional Supervisor Surface Water Protection Section Wilmington Regional Office Enclosures cc: Wilmington Regional Office North Carolina Division of Water Quality Internet: www.newater-qualitv.org 127 Cardinal drive Extension Phone (91.0) 796-7215 Wilmington, NC 28403 Fax (910) 350-2004 One NorthCarohna Naturgi4_ An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor Wayne McDevitt, SecretaY y Division of Water Quality Mr. Edwin I. Ennis, Jr., Owner 2545 Castle Hayne Road Wilmington, NC 28401 Dear Mr. Ennis: NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES July 1, 1998 Subject: Permit No. SW8 960918 Modification Ennis Retail Center High Density Commercial Stormwater Project New Hanover County The Wilmington Regional Office received the Stormwater Management Permit Application for Ennis Retail Center on March 16, 1998, with final information on May 29, 1998. 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 960918 Modification dated July 1, 1998, for the. construction of Ennis Retail Center. This permit shall be effective from the date of issuance until July 1, 2008, 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 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 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 Linda Lewis, or me at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSS/arl: S:1WQSISTORMWATIPERMIT1960918.JUL cc: Phil Tripp, P.E. Tony Roberts, New Hanover County Inspections Beth Easley, New Hanover County Engineering Linda Lewis Wilmington Regional Office Central Files 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 State Stormwater Management Systems Permit No. SW8 960918 Modification 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 Mr. Edwin L Ennis, Jr. Ennis Retail Center New Hanover County FOR THE construction, operation and maintenance of a 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 July 1, 2008 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 237.370 sonare feet of impervious area, including the outparcels. 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 Permit No. SW8 960918 Modification Project Name: Permit Number: Location: Applicant: Mailing Address: Application Date: Water Body Receiving Stormwater Runoff: Classification of Water Body: If Class SA, chloride sampling results: Pond Depth, feet: Permanent Pool Elevation, FMSL: Total Impervious Surfaces, ft2: Outparcels, ft2: Offsite Area entering Pond, ft2: Required Surface Area, ft2: Provided Surface Area, ft2: Required Storage Volume, W: Provided Storage Volume, W: Temporary Storage Elevation, FMSL: Controlling Orifice: DIVISION OF WATER QUALITY PROJECT DATA SHEET Ennis Retail Center 960918 Modification New Hanover County Mr. Edwin I. Ennis, Jr., Owner 2545 Castle Hayne Road Wilmington, NC 28401 March 16, 1998 Ness Creek "C Sw" n/a 6 18 237,370 #1 @28,850; #2 @31,250; #3 and #4 @51,000 each; Existing McDonald's @28,250 and residence @1,800 13,058 18,000 19,656 39,444 20 2.5"+ pipe 3 State Stormwater Management Systems Permit No SW8 960918 Modification 5. Deed restrictions must be recorded prior to the sale of any outparcel shown on the approved plans to ensure that future owners are made aware of the built -upon area limitations. The following statement must be recorded: "To ensure continued compliance with the NC Division of Water Quality Stormwater Management Permit Regulations, 15A NCAC 2H.1.'W`, the four outparcels as shown on the approved plans are limited in the amount of built -upon area that can be constructed as follows: #1 028,850 ft2; #2 c@31,250 ft2; and #3 and #4 @51,000 ft2 each; inclusive of that portion of the right-of-way between the front lot line and the edge of the pavement, structures, pavement, walkways of brick, stone, slate, but not including wood decking or the water surface of swimming pools." "All built -upon area from the outparcel must be directed into the permitted stormwater control system. of "Additional built -upon area will require a permit modification. " "The connection into the stormwater control shall be made such that short-circuiting of the system does not occur. " 6. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built - upon area. 7. 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. 8. 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. II. SCHEDULE OF COMPLIANCE The permittee will comply with the following schedule for construction and maintenance of the stormwater management system: a. 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. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. C. All connections into the stormwater system from future areas/outparcels shall be made such that short- circuiting of the system does not occur. 4 State Stormwater Management Systems Permit No SW8 960918 Modification 2. 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. Scmiarrival scheduled inspections revery 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 trust be available at all times. 3. 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. 4. Decorative spray fountains will not be allowed in the ponds. 5. 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. 6. 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. 7. A copy of the recorded deed restrictions must be submitted to the DWQ within 30 days of the date of the recording. The recorded copy must be signed by the permittee, dated, stamped with the deed book number and page, and bear the stamp of the Register of Deeds. 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. III. GENERAL CONDITIONS 1. 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 in -ay be imposed by ether government agencies (ocal, state, and federal) which have jurisdiction. �1 State Stormwater Management Systems Permit No SW8 960918 Modification 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 per�ittee grants DENR Staff r rmission 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. Permit issued this the 1st day of July, 1998. 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 960918 Modification R TE 97104 OFFICE USE ONLY Date Received Fee Paid Permit Number 3-1(0 - c( 3 $S'. vo 156OF g(oo gl2r HCO State of North Carolina Department of Enpirtionment 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): Edwin I. Ennis Jr. 2. Print Owner/Signing Official's name and title (the person who is legally responsible for the facility and its compliance): Edwin I. Ennis Jr. — Owner Mailing Address for person listed in item 2 above: 2545 Castle Hayne Road City: Wilmington State: NC Zip: 28401 Telephone Number: (910) 763-7666 4. Project Name (subdivision, facility, or establishment name — should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Ennis Retail 5. Location of Facility (street address): 2523 Castle Havre Road City: Wrightsboro County: New Hanover 6. Directions to facility (from nearest major intersection): 5001f South from the intersection of US Hwy 117 and NC 133 7. Latitude: W77'55'30" Longitude: N34017'00" of facility 8. Contact person who can answer questions about the facility: Name: Phillip G. Tripp, P.E. Telephone Number: (910) 763-5100 H. PERMIT INFORMATION: Specify whether project is (check one): New Renewal X Modification 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list The existing permit number SW8 960918 and its issue date (if known) /U / q ?' Form SWU-101 January 1998 Page 1 of 4 TE 97104 Specify the type of project (check one): Low Density X High Dmnsity Redevel--General Permit ^*u er 4. Additional Project Requirements (check applicable blanks): CAMA Major X Sedimentation/Erosion Control 404 Permit M. 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. Detention Pond 2. Stormwater runoff from this project drains to the Cape Fear River basin. 3. Total Project Area: 10.21 acres 4. Project Built Upon Area: 53.4% %. 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. Basin Information Dramnp Ruin 1 U Basin Z ReceivingStream Name Unnamed trib to Cape Fear River Receiving Stream Class C-SW Drainage Basin Area 10.21a►c,, Existing Impervious * Area 90,150 sf Proposed Impervious * Area 147,220 sf %Impervious* Area (total) 53.4% Ivqxrvious * Staface Area Drainage Basin 1 1'1340 sf Dry Basin-2 On -site Buildings On -site Streets 17,760 sf On -site Parking 197,770 sf On -site Sidewalks 4,100 sf Other on -site N/A Off -site N/A Total: X= 237,370 sf_ * 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 January 1998 Page 2 of 4 TE 97104 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 sale 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 behaK please complete this section: Designated agent (individual or firm): Tripp Engineering, P.C. Mailing Address: 507 Chestnut Street City: Wilmington State: NC Zip: 28401 Phone: 910 763-5100 Fax: (910) 763-5631 VII. SUBMITTAL REQUIREMENTS 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. Applicant's Initials • Original and one copy of the Stormwater Management Permit Application Form �T • One copy of the applicable Supplement Form(s) for each BMP (see Attachment A) PGr • Permit application processing fee (see Attachment A) • Two copies of plans and specifications including: G • Detailed narrative description of stormwater treatment/management P • Two copies of plans and specifications, including: NOT- - 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 members - Original contours, proposed contours, spot 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) VI. APPLICANT'S CERTIFICATION I, (print or type name of person listed in General Information, item 2) Edwin I. Ennis, Jr. 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 recg#ed with all required permit c9aditions, and that to the best of my knowledge, the proposed projeckfornpVes with )equirements'sA NCAC 2H .1000. § Mi Form SWU-101 January 1998 Page 3 of 4 ATTACHMENT A Y. Deed Restdclion LmVaage 1r (+ .dMrCV 6 1 M 04 MaDa nstwe i n 2a,260 EkBE out Na 't - 28,850 �.ee Out Ram@! . 2 i 3t,2W a,72 kar 4fr22a 't:04 Out Peeol A No: 0 5i ow 1,17 Dot PnmO No. 4 for d1I ro"acts tlla involve t e t The following stahiments must be recorded for All low density projects projects mAxily lon and 3eiling of to of outp=els: I. No morn Owns P square feet of any lot, including that portion of the rfght-vf-way betmem the sdge of paamrr "t Arid the front lot line, Aall be covered by impervious structures inel�eding asphalt, 1,110EY, concytax, brick stone, slate or similar material but not including wood decking or tAd -surface of swimming pools. Ties covenant i5 intended to injure continued compliance with the stcrmwater permit issued by the State of North Carolina. The covenant mace not be changed or deleted without dze consent of the Stara, 2. N4 me my fill in, pipe, or alter arty roadside swals exc�t as necessary to prlaaide 1t Minimum driremay crossing. NOTE: If lot sizes very significantly; the owner/developer must provide an attachment listing each lot number, size and the allowable built -upon azea: for each lot, .�Y , rya - For commercial projects that have outparcels or future developmeit the'fo7I'a"w I iiie.*it recorded: PMH" 3. The Gonrecticm frerre rile ou.`parc_l or future area into the stornt voter s ys.am must be made jlt;o ,ht forebay such that short-eircuitinA of the system does not accur. 4. All bu:7t-upon area from the outpdreel or jncurz deVe:apmert: mus. be ;l:re:+e iat!q the pe^nit;$ stDrn;dl4ter conyol system. $. suil:-upon aria in eri_1ss of the rermi".'d irlVun: :sill rea:[tre a Tj1e"'RS. mgdtacx: Atr eoristeucloxL . Far vif7 oudet mterm, the following Starennetlt in ad4,�LOri :c items 1 and 2 acovQ i, .tio one may pine, Rill In or alter an'a dLsiY ..= :30 'oor 'ont3 ��a1�.�4d�.:P.► ,ke requiremenrs oe "'vCA ZH I003rj). Z_ 5uppl+�ent forazs The applicable suppiemcnt form(s) listed Wow must be subs -►lured tr each B&NIF sp�:4e3 for proje�: Fora+ 5'vV' -102 Wet Detwtion oasis► Supplement Form 5'vVU-103 Infiltration Basin Supplement Form SW�..-104 Low Density Supplement Form PV -105 Curb Outlet System Supplement Forst SM-106 Off --Site Systarn Supplement Form SWV-107 Underground Infiltratipn Trench Suapiemrmt Form SWU-108 NOUS4 River Basin Nutrzant M�aggemeat strawsy Slagple t I Pwnit Application Fees (ched made payable to !�CDE R and submitted t9 04 4FFMP0114 �* Uffice) Type of penWt Low itv High Density Other Oirecwr's Certification czn8-q1 Fit New, Modification, or Late RenewaU 5225 3383 32�a 3550 $30 ti'.,~ cwl'.1(11 TgnuAry 194OR Agvo 1 of 1 Tlmel� Renewal ,Without .4/a S?=5 n/a n/ a n/a TRIPP ENGINEERING, P.C. 41 507 Chestnut Street Wilmington, North Carolina 28401 Phone: (910) 763-5100 • Fax: (910) 763-5631 May 28, 1998 NCDXNR Division-ofEnvironmenW Management Water Quality Section 127 Cardinal -Drive - Wilmington, NC 28405-3845 Attu:- Ms: Linda -Lewis Re: Ennis Retail New Hanover County,, NC SW8 960918 Modification TE 97104 Dear Linda: is MAY_2-9,1998 We exelose-two f 2} sets, -of revised -plans. In response -to your eoffesp©ndenee of May 11, 1998, we provide the following: 1. Grades; dirnensions, ete. have-beenWdedte-pm4ouslyper-mittedplans. 2. We have provided Attachment A with attached calculations relating all outparcels. 3: Devised -plans nevi note: No -Wetlands Exist. 4. Title on ` Forebay Section" has been corrected to "Pond and Forebay Section" to eliminate confusion. 5: Asphalt access-Foamis-accountedfor in-Dellar Stern calculations: Please review for approval and contact us with questions or comments. Thank YOU - Sincerely, Tripp Engineering, P.C. Phillip G. Tripp, P.E. PGT jss State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor Wayne McDevitt, Secretary Division of Water Quality May 11, 1998 Mr. Phil Tripp, P.E. Tripp Engineering 507 Chestnut Street Wilmington, NC 28401 NCDEiTR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: ACKNOWLEDGEMENT OF RECEIPT AND REQUEST FOR ADDITIONAL INFORMATION Stormwater Project No. SW8 960918 Modification Ennis Retail New Hanover County Dear Mr. Tripp: The Wilmington Regional Office received a Stormwater Management Permit Application for Ennis Retail on March 16, 1998. A preliminary review of that information has determined that the application is not complete. Tjie following information is needed to continue the stormwater review: 1. This is a modification to previously permitted plans. Please show all of the previously permitted development with dimensions, grades, etc., just as you show the "new" development. The revised plans will become the permitted plans, so they must reflect all the proposed development. 2. Provide Attachment A limiting the built -upon area for outparcels. 3. Delineate all wetlands on site, or note on the plans that none exist. 4. Relabel the "Forebay Section" as the "Pond and Forebay Section" to eliminate confusion. 5. Where do you account for the asphalt access road in the calculations? 127 Cardinal Dr. Est., 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. Tripp May 11, 1998 Stormwater Project No. SW8 960918 Modification 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 June 11, 1998, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. 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\960918.MAY cc: Linda Lewis Central Files 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 STORMWATER SUBMITTAL REQUREMENTS DETENTION POND A. Site Plan ✓ 1. Developirment/,N-oject Name 2. Engineer name and firm. 3. Legend c/ 4. North Arrow 5. Location Map with direction, distance to named streets, NCSR numbers. _ 6. Scale 7. Date ✓ 8. Revision number and date. ✓ 9. Original contours, proposed contours, spot elevations, finished floor elevations. 10.. Existing drainage, including off -site. Map of offshe area? — 11. Properly/Project boundary lines, `dimensioned. iJ lfh 12. Mean High Water Line, if necessary. ✓ 13. Drainage easements, pipe sizes. _)i�— 14. Wetlands delineated, or a note on the plans that none exist. N (A 15. Details of the road, parking, cul-de-sacs, including sidewalks, curb and gutter.. 16. Drainage area to each pond delineated. ✓ 17. Dimensions of the permanent pool. 0 18 Vegetated filter detail if using 85 % TSS. This is NOT a connector ditch. f 19. 20. Dimensions of the road, parking cul-de-sacs, sidewalks, and curb and gutter. Unit footprint _ with dimensions and concrete wood deck areas noted.for apartments or condo development. 21. Forebay at each inlet. Prefer one inlet �✓ 22. Inlets located such that entire pond is used for treatment and no short-circuiting. ✓ 23. Pond section with: . ✓ Bottom elevation Permanent pool elevation PP Storage pool elevation SP ✓ Slopes:' 3:'1 above permancnt pool I -I-_ Vegetated shelf @6:1 slope, with begin and end elevations around pond.. 111- Forebay bottom elevation, 31A slopes, ✓ Forebay weir elevation between PP and SP. ✓ 24. Outlet structure detail with trash rack and orifice. 25. Il PCB. l Rre '�Zr4 STORMWATER SUBMITTAL REQUIREMENTS DETENTION POND (cont) B. Calculations 1. 85 % or 90 % TSS Chart noted. ✓" 2. Pond depth. 3. SA/DA ratio calculation. 4. Required surface area at permanent pool. 5. Provided surface area at permanent pool (Based on pond dimensions) 6. Required volume. c/ 7. Provided volume. 8. Orifice size based on provided volume. 9. Engineer seal. 10.. Built -upon area to each pond. 11. Forebay designed to hold 20 % of the first inch. 12. Non -erosive flow in the vegetated filter, if using 85 % TSS. C. Supporting Documentation 1. Completed permit application _ a. Is the person who signed the landowner or a leasee? Must be landowner. b. Section III completely filled in- can tailor this section for submittal type. C. Check signature per .1003 (e). Make sure title is provided. WJ j A d. If agent signs, signatory authorization from owner. e. Attachment A provided for subdivided lots, future development, outparcels. f. Mailing address & phone of applicant- no C/O. g. Verify water body classification. ,/ 2. Signed Operation and Maintenance Plan to include all items on DWQ O & M form. TRIPP ENGINEERING, P.C. 507 Chestnut Street Wilmington, North Carolina 28401 Phone: (910) 763-5100 • Fax: (910) 3-56� 1 MAR 16 1998 March 13, 1998 NCDENR Division of Environmental Management Water Quality Section 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Ms. Linda Lewis Re: Ennis Retail New Hanover County, NC TE No. 97104 Dear Linda: Enclosed please find two (2) sets of plans, two (2) sets of sealed calculations, one (1) signed application form including narrative, pond O & M, and Wet Detention Basin Supplement, and one (1) check to cover the application fee. Please review for approval and contact us with any questions or comments. Thank Sincerely, Tripp Engineering, P.C. S. Lance Strawn PGTJss Enc. moo 11 4x 3/"11/98 ENNIS RETAIL 97104 PGT Stormwater Calculations Total Drainage Area s . ft acres 444,700 t0:21 Impervious Area Land Use s . ft acres 1/2 residence ¢xl ;A 1,800 0:04 McDonald's exiS4n 28,250 0.65 Out Parcel No: 1 28,850 0.66 Out Parcel No. 2 ( ;4Ay% 31,250 _ 0.72 Dollar Storer Oroao5ej 45,220 1.04 Out Parcel No. ro 0 51,OGG 1.17 Out Parcel No. 4 c Se d 5-1, 000 1.1-7 Total 237, 370 5. 45 Stormwater Calculations: Time of Concentration: Hydraulic Length (L) = 800 ft. change in Height (H) = 4 ft. Tc = (Ls /H).;i"5/ 128 10.33 min. Flow for 10 year, 6 hour Storm (Qio)-. QPRE _ (CPRE) x (lip) x (Area) = 16.08 cfs QPosT = (CPosr) X (lio) X (Area) 40.52 cfs Detention Pond Design: Pond Size: Elevation ft. Surface Area . ft. Normal Pool 18.00 I l3150 Flood Pool 20.00 21,444 ITopr of Bank 21.00 23,051 Bottom of Poot 12.00 8 3$2. Total Provided Storage Volume: Vol. _ [(Normal pool SA+ Flood Pool S*i 21 x (F. P. elev. - N. P. elev. } 39,594 cu. ft. 9685POND.xis 4z:z -9k- 1 of 2 % impervious = 0.534 = 53.4% CPRE = , 0.25 CPosr = (% imp.)(.95)+(1% imp.)(.25) 0.63 lio-= 6.30 in/hr 15V = 7.79 in/hr Flow for 50 year, 6 hour Storm (Qso) QPRE - (CPRE) X (lip) X (Area) 19.88 cfs QPosr = (Cpos-r) x (110) x (Area) 50.10 cfs . State Surface Area Requirement at normal Dool: Pond side slopes = 3 :1 Depth below N. P. = 6 ft. SA/DA = 0.0305 (Chart for 90% TSS Removal for Wet Detention Pond without Veaetative Filtert Required SA = (SA/DA}x (Total Drainage Area) t3, 563 sq. ft. State Volume Requirement for Storaae of first 1" runoff: Vol. _ [(1/12) x (DA) x (% imp.)] + [(1/12) x (DA}x (1% imp.) x C} C = 0.25 24,100 cu. ft. STORMWATEk nECEIyE Inf MAY 2 91998 PROJ # E M 3111/98 ENNIS RETAIL 97104 PGT Stormwater Calculations Forebay: Required Volume Vol. = 20% of Required state storage volume 4,820 cu. ft. Provided Volume Normal Pool SA = 1,835 sq. ft. Flood Pool SA = 3,215 sq. ft. Vol. _ [(ht. P. SA + F. P. SA) / 21 x (F. P. et - N. P. et.) 5,050 cu. ft. depth = 3 ft Outlet Structure Design: Flow for 2-day drawdown: for 1 st 1" of stormwater, Q = Provided Vol. / 172, 800 sec. (2-days1 0.229 cfs Kegwrea Area or ripe Tor z-day drawdown A= Q/[CdxSQRT(2xgxh)] Cd = 0.6 g = 32.2 ft./s2 h = (F. P. elev.- N.P. elev.) /2 1 ft. A = 0.0476 sq. ft. Diameter of Pipe for 2-day drawdown: DIA. = SQRT[(A x 4) / pi] 0.2462 ft. 2.95 in. Outlet Structure Check: Using a 4' x 4' Basin, Perimeter L = 16 ft. Q = CIA C = (% imp.)(.95) + (1-% imp.)(.25) 0.63 I = 6.30 in. for a 10 yr. Storm A = 10.21 Acres 40.52 cfs Flow for 5-day drawdown: for 1 st 1" of stormwater, Q = Provided Vol. / 432,OGG see. (5-days) 0.092 cfs Kequirea Area or ripe for 5-day drawdown A= Q/[CdxSQRT(2xgxh)] Cd = 0.6 g = 32.2 ft./s2 h = (F. P. elev. - N.P. elev.) / 2 1 ft. A = 0.0190 sq. ft. Diameter of Pipe for 5-day drawdown: DIA. = SQRT[(A x 4) / pi] = 0.1557 ft. 1.87 in. Q= CwxLxH15 H = [Q / (Cw x L)]M Cw = 3 0.89 ft. Peak elevation = flood pool elevation + H = 20.89 ft. 9685POND.xIs 2 of 2 �j TE 97104 ENGINEERING 8 FACILITIES APPLICATION FOR PERMIT FOR A6_� rr a�"01fEj� LAND -DISTURBING ACTIVITY 6(U 1� File Number UNDER THE CONDITIONS SET FORTH BY I`�n �s� c i THE NEW HANOVER COUNTY Fee Paid SOIL EROSION AND SEDIMENTATION CONTROL ORDINANCE FM01TM Date Applicant: Edwin I. Ennis, Jr. Applicant's Agent: Edwin I. Ennis, Jr. Address: 2523 Castle Hayne Rd. Address:_ 2523 Castle Hayne Rd. Wilmington, NC 28401 Wilmington, NC 28401 Telephone Number:. (910) 763-7666 Telephone Number: (910) 763-7666 Total Acres of Land Disturbance: 1.3 Purpose of Development: Commercial Location and Description of Land Disturbance: AP roar. 500 if South from the intersection of US 117 and NC 133 Land owner(s) of Record STATEMENT OF FINANCIAL RESPONSIBILITY Person or firm(s) financially responsible for the land -disturbing activity. If not a North Carolina resident you must have a N.C. agent (List Below) Name: Edwin I. Ennis, Jr. Name: Edwin I. Ennis, Jr. Address: 2523 Castle Hayne Rd. Address: 2523 Castle Hayne Rd. Wilmington, NC 28401 Telephone Number: (910) 763-7666 Location of deed(s) or instrument(s): Wilmington, NC 28401 Telephone Number: (910) 763-7666 County New Hanover Book Page Tne above information is true and correct to the best of my knowledge and belief and was provided by me while under oath. (This form must be signed by the financially responsible person if an individual and by an officer, director, partner, attorney -in - fact, or other person of authority to execute instruments for the financially responsible person if not an individual.) I agree to provide corrected information should there be any change in the information provided herein. Date: _ 2%�g c(� Name (Type or nt) Edwin Ennis, r. Title: Owner 1, Konica L. Valsi New Hanover a Notary Public of the County of State of North Carolina hh��*5e rtify that Edwin I. Ennis, Jr. 1m�appeared personalty before me this day and be- ing�� � ledged that the above form was executed by him. Witness mend and notari5I9seal, thy _ day ofFjeb, 19 18 r it r Notary, My commission expires 08/07/O1 TE 97104 Ennis Retail Modification to SW8 960918 TE 97104 STORMWATER NARRATIVE The contributing area within the scope of this project is unchanged at 10.21 acres. We are proposing a modification to an existing stormwater permit (SW8 960918). We are enlarging the detention pond to accommodate Outparcel Nos. 3 and 4 and we are proposing development of the existing "office" site at the south end of the tract for the construction of a Dollar General Store. Included are asphalt parking and an extended access road. Form SW-101 January 1998 Page 5 of 4