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HomeMy WebLinkAboutSW8000517_CURRENT PERMIT_20090720STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW �{(�LC/✓, DOC TYPE � CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE gO72_c) YYYYMMDD � vA A742 NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H Sullins Dee Freeman Governor Director Secretary July 20, 2009 Mr Sterling Osborne, President Marsh Oaks at Brynn Marr C S A PO Box 12542 Jacksonville, NC 28541 Subject Permit No SW8 000517 Marsh Oaks, Section I at Brynn Marr High Density Stormwater Project Onslow County Dear Mr Osbourne The Wilmington Regional Office received a complete Stormwater Management Permit Transfer of Ownership Application for Marsh Oaks at Brynn Marr Sec 1 on January 14, 2009 Therefore, permit SW8 000517 has been renewed on July 20, 2009, and shall be effective until August 10, 2010 This site was inspected on June 29, 2009 All deficiencies noted in the inspection report have been addressed and the site is currently in compliance with the terms and conditions of this state stormwater permit The plans previously approved on August 10, 2000 in accordance with the regulations set fourth in Title 15A NCAC 2H 1000 effective September 1, 1995 remain in full force and effect 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 David Cox, or me at (910) 796-7318 Sinc rely, s� Georgette A�cott Stormwater Supervisor Division of Water Quality Enclosures Inspection Report GDSldwc S 1WQSISTORMWATIPERMIT1000517 jul09 cc Michael Tuton Tim Stewart, P E Onslow County Inspections David Cox Wilmington Regional Office Central Files WBmington Regional Office 127 Cardinal Drive Extension, Wilmington, North Carolina 28405 Phone 910 796-72151 FAX 910 350 20041 Customer Service 1 877.623 6748 Internet www ncwaterquality org An Equal Opportunity 1 Affirmative Action Employer NorthCarolina Naturally State Stormwater Management Systems Permit No SW8 000517 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 Sterling Osborne & Marsh Oaks at Brynn Marr, C S A Marsh Oaks, Section 1 at Brynn Marr Onslow County FOR THE operation and maintenance of 2 wet detention ponds in compliance with the provisions of 15A NCAC 2H 1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit This permit shall be effective from the date of issuance until August 10, 2010 and shall be subject to the following specified conditions and limitations I DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data 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 Pond 1 of the stormwater control has been designed to handle the runoff from 59,194 ftZ of impervious area Pond 2 has been designed to handle the runoff from 34,511 ftZ 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 PA State Stormwater Management Systems Permit No SW8 000517 DIVISION OF WATER QUALITY PROJECT DESIGN DATA SHEET 1 Protect Name Marsh Oaks, Section I at Brynn Marr Permit Number SW8 000517 Location Onslow County Applicant Mr Sterling Osborne, President Mailing Address Marsh Oaks at Brynn Marr, C S A PO Box 12542 Jacksonville, NC 28541 Application Date July 14, 2000 Name of Receiving Stream/Index # Northeast Creek 1 (WHO 19-16-0 5) Classification of Water Body "SC NSW" Pond Number Pond Depth, feet TSS removal rate Permanent Pool Elevation, FMSL Drainage Area, acres Total Impervious Surfaces, ft2 Offsite Area entering Pond, ft2 Required Surface Area, ft2 Provided Surface Area, ft2 Required Storage Volume, ft3 Provided Storage Volume, ft3 Temporary Storage Elevation, FMSL Controlling Orifice 1 2 4 4 90% 90% 6 6 291 227 59,194 34,511 None, per Engineer 5,116 3,058 6,509 4,425 10,563 8,255 11,205 10,932 75 8 1 5" cp pipe 1 " cp pipe 3 State Stormwater Management Systems Permit No SW8 000517 II SCHEDULE 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 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 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 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 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 8 If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility 4 State Stormwater Management Systems Permit No SW8 C'Q0517. 9 The following items will require a modification to the permit a Any revision to the approved plans, regardless of size b Protect 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 protect area The protect area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval was sought f Filling in, altering, or piping of any vegetative conveyance shown on the approved plan 10 The Director may determine that other revisions to the project should require a modification to the permit 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 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 13 The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built -upon area 14 The runoff from all built -upon area on the protect must be directed into the permitted stormwater control system 15 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 16 The permittee shall notify the Division of any mailing address changes within 30 days III 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 maybe 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 5 State Stormwater Management Systems Permit No SW8 000517 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 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 Permit issued this the 20th day of July, 2009 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Coleen H Efullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW8 000517 0 State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office James B Hunt, Jr., Governor Bill Holman, Secretan Division of Water Quality August 10, 2000 Mr Michael G Tuton, President Hunter Development Corporation PO Box 1066 Jacksonville, NC 28541 Ak1L.XYVA 114 0 ;J00rA4 AM k is NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject Permit No SW8 000517 Marsh Oaks, Section I at Brynn Marr High Density Stormwater Project Onslow County Dear Mr Tuton The Wilmington Regional Office received a complete Stormwater Management Permit Application for Marsh Oaks, Section I at Brynn Marr on July 14, 2000 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 000517 dated August 10, 2000, for the construction of Marsh Oaks, Section I at Brynn Marr This permit shall be effective from the date of issuance until August 10, 2010, 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 (3 0) 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 1WQSISTORMWATIPERMIT1000517 AUG cc Tim Stewart, P E Mitchell Parker Onslow County Inspections Linda Lewis Wilmington Regional Office zn Central Files 127 Cardinal Dr Ext , Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal opportunity Affirmatne Action Emplover 50% recvcled/10%, host -consumer paper State Stormwater Management Systems Permit No SW8 000517 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 ofNorth Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Hunter Development Corporation Marsh Oaks, Section I at Brynn Marr Onslow County FOR THE construction, operation and maintenance of 2 wet detention ponds in compliance with the provisions of 15A NCAC 2H 1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit This permit shall be effective from the date of issuance until August 10, 2010 and shall be subject to the following specified conditions and limitations I. DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data 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 Pond 1 of the stormwater control has been designed to handle the runoff from 59,194 ft2 of impervious area Pond 2 has been designed to handle the runoff from 34,511 ft2 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 Permit No S W 8 000517 Project Name Permit Number Location Applicant Mailing Address DIVISION OF WATER QUALITY PROJECT DESIGN DATA SHEET Marsh Oaks, Section I at Brynn Marr SW8 000517 Onslow County Mr Michael G Tuton, President Hunter Development Corporation PO Box 1066 Jacksonville, NC 28541 Application Date July 14, 2000 Name of Receiving Stream/Index # Northeast Creek / (WHO 19-16-0 5) Classification of Water Body "SC NSW" Pond Number Pond Depth, feet TSS removal rate Permanent Pool Elevation, FMSL Drainage Area, acres Total Impervious Surfaces, ft2 Offsite Area entering Pond, ft2 Required Surface Area, ft2 Provided Surface Area, ft2 Required Storage Volume, ft3 Provided Storage Volume, ft3 Temporary Storage Elevation, FMSL Controlling Orifice 1 2 4 4 90% 90% 6 6 291 227 59,194 34,511 None, per Engineer 5,116 3,058 6,509 4,425 10,563 8,255 11,205 10,932 75 8 1 5"� pipe 1 "� pipe 3 State Stormwater Management Systems Permit No SW$ 000517 II. SCHEDULE 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 of the 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 of DWQ The records will indicate the date, activity, name of person performing the work and what actions were taken 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 8 If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility 4 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, 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 Plan approval was sought f Filling in, altering, or piping of any vegetative conveyance shown on the approved plan 10 The Director may determine that other revisions to the project should require a modification to the permit 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 4 State Stormwater Management Systems Permit No SWS 000517 12 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 13 The permittee is responsible for venfying that the proposed built -upon area does not exceed the allowable built -upon area 14 The runoff from all built -upon area on the project must be directed into the permitted stormwater control system 15 The Director may notify the pennittee when the permitted site does not meet one or more of the mirumum 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 16 The permittee shall notify the Division of any mailing address changes within 30 days III 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 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 Permit issued this the 1 Oth day of August, 2000 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Kerr T Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW$ 000517 5 State Stormwater Management Systems Permit No SW8 000517 Marsh Oaks, Section I at Brynn Marr Stormwater Permit No SW8 000517 Onslow 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, for (Project) (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 31 State Stormwater Management Systems Permit No SW8 000517 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 The 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 S 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 r 10 The permitted amounts of surface area and/or volume have been provided 11 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 NCDENR-DWQ Regional Office - Mitchell Parker, Onslow County Building Inspector 7 ry�1n r w OF WArF9 FAN4 2009 Michael I Eisley Governor William G Ross Jr Secretary NorthCa.hha Department o_ f Environment and Natural Resources aColeen H Sullins Director Division of Water Quality WATER QUALITY SECTION STATE STORMWATER PERMIT NAME/OWNERSHIP CHANGE FORM I. CURRENT PERMIT INFORMATION- 1 Stormwater Management Permit Number SW8 000517 - Marsh oaks, sect. i 2 Permit Holder's Name Hunter Development Corporation 3 Signing official's Name Michael G. Tuton Title vice President (person legally responsible for permit) 4 Mailing Address P. o. Box 1066 City Jacksonville State NC Zip 28540 Phone ( 911 577-1441 Fax { ) N/A II. NEW OWNER / PROJECT 1 ADDRESS INFORMATION 1 This request is for (please check all that apply) 2 3 4 5 x a b c d Change in ownership of the property/company (Please complete Items #2, #3, and #4 below) Name change of project (Please complete Item #5 below) Mailing address change (Please complete Item #4 below) Other (please explain) New owner's name to be put on permit Marsh oaks at Brynn [Harr C.S.A. New owner's signing official's name and title sterling osborne Title President New Mailing Address P.O. Box 12542 City Jacksonville State NC Zip 28546 Phone { 91 d 376-071 3 Fax ( ) N/A _ New Project Name to be placed on permit N/A Ownetshtp/Name Change 080B08 Page 1 of 3 BY: JAN 14 2009 PERMIT NAME/OWNERSHIP CHANGE FORM THIS APPLICATION PACKAGE WILL NOT BE ACCEPTED BY THE DIVISION OF WATER QUALITY UNLESS ALL OF THE APPLICABLE ITEMS LISTED BELOW ARE INCLUDED WITH THE SUBMITTAL REQUIRED ITEMS 1 This completed form 2 Legal documentation of the transfer of ownership 3 A copy of the recorded deed restrictions, if required by the permit 4 The designer's certification, if required by the permit 5 A signed Operation and Maintenance plan, if a system that requires maintenance will change ownership 6 Maintenance records CERTIFICATION MUST BE COMPLETED AND SIGNED BY BOTH THE CURRENT PERMIT HOLDER AND T14MEW APPLICANT IN THE CASE OF A CTMME OF OWNERSHIP. FOR NAME CHANGES, COMPLETE AND SIGN ONLY THE CURRENT PERMITTEE'S CERTIFICATION Current Permittee's Certification: I, Michap±l�G_ Tilton , attest that this application for a name/ownership change has been reviewed and is accurate and complete to the best of my knowledge I understand that if all required parts of this application are not completed and that if all required supporting information and attachments are not included, this application package will be returned as incomplete 1 Signature In.. KtntrC C,- "y "'Y 1 Date k? New Applicant's Certification: (Must be completed for all transfers of ownership) I, _ St_Erl i ng 0c;hnrnw , attest that this application for an ownership change has been reviewed and is accurate and complete to the best of my knowledge I understand that if all required parts of this application are not completed and that if all required supporting information and attachments are not included, this application package will be returned as incomolete Signature Mail the entire package to NCDENR Division of Water Quality Surface Water Protection Section — Stormwater at the Appropriate Contact Address (see the following page) Ownership/Name Change-080808 Page 2 of 3 77- 'rOFFiC>~ USE ONLY Date Received Pee Paid Permit Number 401 &01 Q Y1.19 wo State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied far use as an original I. GENERAL INFORMATION 1 Applicants name (specify the name of the corporation, individual, etc who owns the project) Hunter Development Corporation 2 Print Owner/Signing Official's name and title (person legally responsible for facility and compliance) Michael G. Tuton __1__I9Ye-51de4 3 Mailing Address for person listed in item 2 above P 0. Box 1066 City Jacksonville State NC Zip 28541 Telephone Number ( 910 ) 5 7 7. 1441 4 Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc ) Marsh Oaks, Section I at Brynn Marr 5 Location of Project (street address) End of Corbin Street on the right. City Jacksonville County Ohslow i 6 Directions to project (from nearest major intersection) Turn onto Corbin Street from Hwy. 24 (LeJeune Blvd.) go to end of Corbin Street, new project is on right just past Cottage Cove�Subdivision. 7 Latitude N 3 4° 4 5' 0 6' Longitude W77°21125" of project 8 Contact person who can answer questions about the project Name Michael G. T u t o n Telephone Number ( 910 5 7 7 -14 41 II PERMIT INFORMATION: 1 Specify whether project is (check one) X New Renewal Modification Form SWU-101 Version 3 99 Pape ] of 2 If ttus application is being submitted as the result of a renewal or modification to an existing permit, list the existing perrrut number 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 Xsediimentation/Erosion Control _404/401 Permit �NPDES Stormwater Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748 III PROJECT INFORMATION 1 In the space provided below, summarize how stormwater will be treated Also attach a detailed narrative (one to two pages) describing stormwater management for the project Two Stormwater ponds. 2 Stormwater runoff from this project drains to the White 0 a k 3 Total Project Area 7 _9 4 acres 4 Project Built Upon Area 5 How many drainage areas does the project have? ? __ __ River baser► 27.6 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 Pnnd Itl Pnn d A'> 12 0 14n Receiving Stream Name Northeast Creek Northeast Creek Receiving Stream Class SC NSW Drainage Area 2.910 Acre 2.274 Acre Existing im ervious" Area 0 0 Proposed Im ervious"Area 1.359 Acre 0.8336 Acre % Impervious" Area (total) 46 . 7 % 36 , 7 % rviousSifrfaoe>Are��4, , , Drainage Azea1 .w Xa c 1 �"�` Drxiige'Area 2_ k • ft On -site Buildings 18,873 13,878 S f On -site Streets & p a r k i n g On -site Sidewalks & p a t i o s 8,750 SF 6 0 2 4 S F Other on -site 0 Off -site 0 Total 59194SF=1.359 Ac. Total 36 311SF=0.8336 Ac Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc Form SWU-l0l Version 3 99 Page 2 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 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 XSedimentation/Erosion Control 404/401 Permit _NPDES Stormwater c Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748 III. PROJECT INFORMATION 1 In the space provided below, summarize how stormwater will be treated Also attach a detailed narrative (one to two pages) describing stormwater management for the project Two Stormwater Ponds. 2 Stormwater runoff from dus project drams to the White Oak 3 Total Project Area 7 _ 94 acres 4 Project Built Upon Area 5 How many drainage areas does the project have? 2 River basin 27.6 % 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 Pnnr1 #1 Pnnd #] ' 3s n � • may[ Y Y. ^aQ?' d1i .�E h "DRk YrcYtYt t `:v2. �. Receiving Stream Name Northeast Creek Northeast Creek Receiving Stream Class Sc N S Drainage Area 2.910 Acre 2.274 Acre Existing Impervious* Area 0 0 Proposed lm ervious" Area 1.359 Acre 0.8336 Acre % Impervious* Area (total) 46 . 7 % 3 6 .7 % *'Sty ace'Oj '�F1 � h!`�-i Uiaiii i i= 1 44 � FifiY`a.M ^F� o-" �1 lrat A a } >6\•D`Y '� A+?i h On -site Buildings 18,873 13,878 S f On -site Streets & p a r k i n g On -site Sidewalks &patios 8, 750 SF 6 024 SF Other on -site 0 Off -site 0 Total 59 194SF=1.359 Ac. Total 36 311SF=0.8336 Ac * Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc Form SW U-101 Version 3 99 Pa,-e 2 of 4 7 How was the off -site impervious area listed above derived? N I 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 development prior to the sale of any lot If lot sizes vary significantly, a table listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment The following covenants are intended to ensure ongoing compliance with state stormwater management permit number as issued by the Division of Water Qualaty These covenants may not be changed or deleted without the consent of the State No more than N / A square feet of any lot shah be covered by structures or impervious materials Impervious materials include asphalt, gravel, concrete, brick, stone, state or similar material but do not include wood decking or the water surface of swimming pools 3 Swales shall not be filled 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 clam -mg under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot V. SUPPLEMENT FORMS The applicable state stormwater management peruut 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 Practice 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 Please indicate that you have provided the following required information by initialing in the space provided next to each item Initials • Original and one copy of the Stormwater Management Perrrut Application Form Ims -roA S • One copy of the applicable Supplement Form(s) for each BMP • Permit application processing fee of $420 (payable to NCDENR) TM S 'N 1 • Detailed narrative description of stormwater treatment/management TMS:: S • Two copies of plans and specifications, including TM - 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) Ra r ice r & Associates _, Inc. Mailing Address P.0 . Box 976 City Jacksonville State Phone ( 9 J 0 � 55 - 2 4.14 VIII. APPLICANT'S CERTIFICATION NC Zip 28541 Fax ( 910 ) 455- 3441 I, (print or type name of person listed in General Information, item 2) Michael G . T u t o n 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 l A _I--- Signature Date Ct`_-)S'�� Form SWL-101 Version 3 90 Pane 4 of 4 V1. 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 Please indicate that you have provided the following required information by irutialing in the space provided next to each item Irutials • Original and one copy of the Stormwater Management Permit Application Form I M si • One copy of the applicable Supplement Form(s) for each BMP y • Permit application processing fee of $420 (payable to NCDENR) IMS TfiS • Detailed narrative description of stormwater treatment/management TM S -rm • Two copies of plans and specifications, including — TM ___ Timi - Development/Protect name Engineer and firm -Legend - North arrow - Scale - Revision number & date - Mean high water line - Dimensioned property/protect boundary - Location map with named streets or NCSR numbers - Original contours, proposed contours, spot elevations, flushed 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) par n r & _ A sus nC i a t e n , T n cam. _ Mailing Address P.O. 8 o x 976 City Jacksonville Phone (_ 9 1 j) ) 455-2414 - - VIII. APPLICANT'S CERTIFICATION State N 0 Zip 28541 Fax ( 9.10 ) 455- 3441 I, (print or type name of person listed in General Information, item 2) M 1 c h a e 1 G. T u t o n certify that the information included on this permit application form is, to the best of my knowledge, correct and that the protect will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed protect complies with the requirements of 13A NCAC 2H 1000 n Signature Date q-'_-) 8 - cx-::) Form SWLi-101 Version 3 99 Page 4 of 4 1 Footnotes When using the Division SAIDA tables, the correct SAIDA ratio for permanent pool sizing should be computed based upon the actual impervious % and permanent pool depth Linear interpolation should be employed to deterrmne the correct value for non- standard table entries 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 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 Initials T M S 01 a The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet) TMS TM b The forebay volume is approximately equal to 20% of the basin volume TMS TMS c The temporary pool controls runoff from the design storm event TMS I*S d The temporary pool draws down in 2 to 5 days N/A TMS fM S e If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow calculations) TMS _TMS f The basin length to width ratio is greater than 3 1 TMS �M� g The basin side slopes above the permanent pool are no steeper than 3 1 _TMS h A submerged and vegetated perimeter shelf with a slope of 6 1 or less (show detail) TMS i Vegetative cover above the permanent pool elevation is specified MS J A trash rack or similar device is provided for both the overflow and onfice *TMS'�('5 k A recorded drainage easement is provided for each basin including access to nearest right- of-way TMS aw 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 *TMS TMS m A mechanism is specified which will drain the basin for maintenance or an emergency *k. Owner will provide at a later time *m- if basin needs to be drained it will have to be pumped out. III. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided This system (check one) 0 does 1) does not incorporate a vegetated filter at the outlet. This system (check one) 0 does B does not incorporate pretreatment other than a forebay. Form S W U-102 Re% 3 99 Pane 2 of 4 Permit No dLA!g-000,5 / %__ (to be provided by DWQ) State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM 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 Contact Person M i c h a e I C. - T U t nn Phone Number ( 910 )577 1441 For projects with multiple basins, specify which basin this worksheet applies to 1 elevations Basin Bottom Elevation 2.0 ft Permanent Pool Elevation 6.0 ft Temporary Pool Elevation 7.5 ft areas Permanent Pool Surface Area 6' 5 0 9 sq ft Drainage Area 2. 91 ac Impervious Area volumes Permanent Pool Volume Temporary Pool Volume Forebay Volume Other parameters SA/DA1 Diameter of Onfice Design Rainfall Design TSS Removal 2 ac (floor of the basin) (elevation of the orifice) (elevation of the discharge structure overflow) (water surface area at the onf ce elevation) (on -site and off -site drainage to the basin) (on -site and off -site drainage to the basin) 13,512 cu ft (combined volume of main basin and forebay) 11, 20 5 .. cu ft (volume detained above the permanent pool) !2 , 62 2 cu ft (approximately 20% of total volume) 4.3% 1.5 to 1.0 in 90 % (surface area to drainage area ratio from DWQ table) (2 to 5 day temporary pool draw -down required) (minimum 85% required) 1 orm SWU-103 Rev 3 99 Page 1 of 4 Footnotes 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 deterrrune the correct value for non- standard table entries 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 IT. 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 Initials TMS 40 TMS TMS TMS TMS fA0 MIA TMS fO TMS _W TMS 'W .-TMS TM$ TMS M S Tr►S *TMS a The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet) b 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) 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) Vegetative cover above the permanent pool elevation is specified A trash rack or similar device is provided for both the overflow and onfice k A recorded drainage easement is provided for each basin including access to nearest right- of-way TMS 1�j 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 * T M 5 f#H m A mechanism is specified which will drain the basin for maintenance or an emergency *k. Owner will provide at a later time *m: if basin needs to be drainer it will have to be pumped Out. III. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided This system (check one) 0 does b does not incorporate a vegetated filter at the outlet. This system (check one) 0 does 19 does not incorporate pretreatment other than a forebay Form SWU-102 Rev 3 99 Pdge 2 of 4 Maintenance activities shall be performed as follows I After every significant runoff producing rainfall event and at Ieast monthly a Inspect the wet detention basin system for 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 a catch basins, piping, swales, nprap, etc ) quarterly to maintain proper functioning 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 a stockpiling near a wet detention basin or stream, etc ) The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments When the permanent pool depth reads 33 0 feet in the main pond, the sediment shall be removed When the permanent pool depth reads 3, U feet in the forebay, the sediment shall, be !!removed BASIN DIAGRAM r (fill in the blanks) ,. - R Permanent Pool EIevation 6 . - f , ; `. • . • s7 , ff V�L25 Sediment Re oval Et 3 0 75------------ Sediment Removal Elevation 3 0 Bottom Ele anon 2 0 - -- %---------- ---------------------------------- -- Bottom Elevation Z • 0 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 grow along the vegetated shelf and forebay berm 6 I€ the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical Form SW U- l02 Rev 3 99 Page 3 of 4 7 All components of the wet detention basin systern 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 listed 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 Michael G. Tuton Title President Address P.O. Box 1066, Jacksonville, NC 28541 Phone f910) 577 1441 i Signature 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 1, , a Notary Public for the State offy _,, County of _ h _� , do hereby certify that G� !__ " personally appeared before me this .2 V day of , Z Dy , and acknowledge the due execution of the forgoing wet detention basin maintenance requirements Witness my hand and official seal, SEAL My commission expires Q.ru ? 'm / _ i SWU-102 Rev 3 99 Page 4 of 4 9 * 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 listed above I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party Printname Michael G. Tuton Title President Address P.O. Box 1066, Jacksonville, MC 28541 Phone (9 10 ) 577 1,44 1 . --1 _ Signature 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, , a Notary Public fortheState of , County of �Zh�,� _ , do hereby certify that personally appeared before me this c2 V day of DOv , and acknowledge the due JF execution of the forgoing wet detention basin maintenance requirements Witness my hand and official seal, KIP "% C7 •' kOTAF?Y '•�7� U B L► spy :U ! •''•••.....••''y, C0 1fe1J`01 SEAL My commission expires QAu 4da/ v`lg OLO61 11 If t SWU-102 Rev 3 99 Page 4 of 4 Permit No JW U04 s�2 2 _ (to be provided by DWQ) State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form may be photocopied for 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 Marsh Oaks, Section 1 at Brynn _Ma_rr n Contact Person Michael G . T u t o n Phone Number ( 910) 5 7 7 —14 41. For projects with multiple basins, specify which basin this worksheet applies to 2 elevations Basin Bottom Elevation 2.0 ft Permanent Pool Elevation 6.0 ft Temporary Pool Elevation 8.0 ft (floor of the basin) (elevation of the onfice) (elevation of the discharge structure overflow) areas Permanent Pool Surface Area 4.425 sq ft (water surface area at the onfice elevation) Drainage Area 2,274 ac (on -site and off -site drainage to the basin) Impervious Area 0.834 ac (on -site and off -site drainage to the basin) volumes Permanent Pool Volume 7,710 _ cu ft (combined volume of main basin and forebay) Temporary Pool Volume 10,932 cu ft (volume detained above the permanent pool) Forebay Volume 1,542 cu ft (approximately 20% of total volume) Other parameters SA/DA I Diameter of Onfice Design Rainfall Design TSS Removal 2 3. 5 % (surface area to drainage area ratio from DWQ table) 1.0 in (2 to 5 day temporary pool draw -down required) 1-0 in 90 % (minimum 85% required) Form SWU-102 Rev 3 99 Page 1 of 4 Footnotes When using the Division SAIDA tables, the correct SAIDA 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 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 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 Initials TMS a TM" fti' 4 b TMS lid) c TMS fMA (d N/A TMS10C TMS 1pp *TMS- �(,S TMS TMS 'nil TMS fp4 *TMS^ -fjAS 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 The temporary pool draws down in 2 to 5 days If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow calculations) 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) Vegetative cover above the permanent pool elevation is specified A trash rack or similar device is provided for both the overflow and onfice k A recorded drainage easement is provided for each basin including access to nearest right- of-way _ T M5 f O � 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 *TMS �Nls in A mechanism is specified which will drain the basin for maintenance or an emergency *k. Owner will provide at a later date *m. If basin needs to be *g: A retaining wall is propsed above the drained, it will have to be temporary pool elevation. pumped out. III. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided This system (check one) 0 does 0 does not incorporate a vegetated filter at the outlet. This system (check one) 0 does 6 does not incorporate pretreatment other than a forebay. Form SWU-102 Rev 3 99 Page 2 of 4 Footnotes 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 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 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 irutial below If a requirement has not been met, attach justification. Applicants Initials m s TM a The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet) T M S fM � b The forebay volume is approximately equal to 20% of the basin volume TMs TM S c The temporary pool controls runoff from the design storm event Tres fsK d The temporary pool draws down in 2 to 5 days N / A TMS"A If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow calculations) T M S f The basin length to width ratio is greater than 3 1 * T M S g The basin side slopes above the permanent pool are no steeper than 3 1 T M S h A submerged and vegetated perimeter shelf with a slope of 6 1 or less (show detail) T M S i Vegetative cover above the permanent pool elevation is specified T M S �A j A trash rack or similar device is provided for both the overflow and onfice * T M S fm k A recorded drainage easement is provided for each basin including access to nearest right- of-way TMs 1 If the basin is used for sediment and erosion control during constriction, clean out of the basin is specified prior to use as a wet detention basin * T M S �� S m A mechanism is specified which will drain the basin for maintenance or an emergency *k• Owner will provide at a later date *m- If basin needs to be *g. A retaining wall is propsed above the drained, at will have to be temporary pool elevation pumped out. III. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided This system (check one) 0 does 0 does not incorporate a vegetated filter at the outlet. This system (check one) 0 does 6 does not incorporate pretreatment other than a forebay Form SWU-102 Rev 3 99 Pa-e 2 of 4 0 a Maintenance activities shall be performed as follows 1 After every significant runoff producing rainfall event and at least monthly a Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition b Check and clear the onfice 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 a catch basins, piping, swales, nprap, etc ) quarterly to maintain proper functioning 4 Remove accumulated sediment from the wet detention basin system semi-annually or when depth is reduced to 7517v 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 (1 a stockpiling near a wet detention basin or stream, etc ) The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments When the permanent pool depth reads _ 3_ 3 - nn feet in the main pond, the sediment shall be removed When the permanent pool depth reads 3___;0__feet in the forebay, the sediment shall be removed BASIN DIAGRAM �= (fill in the blanks) r� T Permanent Pool Elevation6 •0 3,' Sedimen�t]ke oval El 3 _ n 75 r` ' �s,J -------------- -- Sediment Removal Elevation 3 ' 0 ' 75% Bottom Ele atzon �.4- %--------------------------------------------- ------ Bottom Elevation 2 • 0 25% FORIEBAY MAIN POND 5 Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface These plants shall be encouraged to grow along the vegetated shelf and forebay berm 6 If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical Form SWU-102 Rev 3 99 Page 3 of 4 7 All components of the wet detention basin system Shall be maintained in good working order 1 acknowledge and agree by my signature below that l am responsible for the performance of the seven maintenance procedures listed above I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party Pnntname _ _Michael G. Tutor Title President Address P 0. Box 1066, Jacksonville, NC 28541 Phone 910 5 7 7 - 1441 Signature (e Date Note The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdhvision has been named the president l* a Notary Public for the State of Kas C[ty_m County of ,df1 S n is) , do hereby certify that _-M ► c � &.,L L T-UA r`� personally appeared before me this o2 day of' YYi c;L. , 2D n o, and acknowledge the due execution of the forgoing wet detention basin maintenance requirements Witness my hand and official seal, SEAL My commission expires AuDi,�oZQn� -� - -i SWU-102 Rev 3 99 Page 4 of 4 7 All components of the wet detention basin system shall be maintained in good working order 1 acknowledge and agree by my signature below that I am responsible for the performance of the seven maintenance procedures listed above I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party Print name _ Ai-chae1, a- -Tutoo Title President Address P 0 Box 1066, Jacksonville, NC 28541 Phone -L9101 5.7 7 - 1441 - - - - - Signature Date — - -1-- O'D 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, Kj�� - , a Notary Public for the State of -io 64k ensr6 [ i n 0, County of -nn !4 I.a � , do hereby certify that M 1 Q_ In C3.-e A el. ILL n- t') personally appeared before me this of day of f y) a-%, , at) n n , and acknowledge the due execution of the forgoing wet detention basin maintenance requirements Witness my hand and official seal, SEAL My commission expires Aj�[3<<i�QA Q5.j 2ool 7 1 SWU-102 Rev 3 99 Page 4 of 4