Loading...
HomeMy WebLinkAboutSW8060651_CURRENT PERMIT_20060908 (2)STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW/Og� DOC TYPE � CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE ❑CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE DOC DATE WYYMMDD o�oF w a r�RQ� UJ ❑ 'C September 8, 2006 Ms. Gaye Wellons Mashburn, Member Manager Four Sisters-00, LLC P.O. Box 1018 Morehead City, NC 28557 Subject: Stormwater Permit No. SW8 060651 Wellongate Apartments High Density Project Carteret County Dear Ms. Mashburn: Michael P. Eas icy, Governor WiNarn G. Ross Jr., Secretary North Carolina Department of Environment and Nahiral Resources Alan W. Klimek, P.E. Director Division of Water Quality The Wilmington Regional Office received a complete Stormwater Management Permit Application for Wellongate Apartments on August 17, 2006. 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 060651 dated September 8, 2006, for the construction of the subject project. This permit shall be effective from the date of issuance until September 8, 2016, 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 sixty (60) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150E 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 Paul Bartlett, or me at (910) 796-7125. Sincer Ey Edwar Beck Regional Supervisor Surface Water Protection Section ENB/ptb: S:IWQSISTORMWATERERIPERMIT1060651.sept06 cc: R.M. Chiles, P.E. Katrina Marshall, Carteret County Building Inspections Paul T. Bartlett, P.E. Wilmington Regional Office Central Files No thCarohna atrrrn!!� North Carolina Division of Water Quality 127 Cardinal Drive Extcnsion Wilmington, NC 28405 Phone (910) 796-7215 Customer Service Wilmington Regional Office Internet: www.newalerquality.org Fax (910) 350-2004 1-977-023-6748 An Equal OpportunitylAffirmative Action Employer — 50% RecycleV O% Post Consumer Paper 1 \ / State Stormwater Management Systems Permit No. SW8 060651 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 Gaye Wellons Mashburn and Four Sisters-00, LLC Wellongate Apartments Carteret County FOR THE construction, operation and maintenance of an bioretention basin in compliance with the provisions of 15A NCAC 2H .1000 {hereafter referred to as the "stormwater rules"j 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 September 8, 2016, 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 114,467 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. There is no allotment for future built -upon area at the site. 4. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. 5. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. Page 2 of 7 State Stormwater Management Systems Permit No. SW8 060651 6. The following design criteria have been provided in the bioretention basin and must be maintained at design conditions: a. Drainage Area, acres: 3.83 Onsite, ft2: 166,678 Offsite, ft2: None b. Total Impervious Surfaces, ft2: OS Buildings, 2ft : OS Streets, ft � OS Parking, ft : 2 OS Sidewalks, ft C. Design Storm, inches: d. Basin Depth, feet: e. Bottom Elevation, FMSL: f. Bottom Surface Area, ft2: g. Bypass Weir Elevation, FMSL: (Overflow elevation at Riser) h. Permitted Storage Volume, ft3: i. Plantin Soil Depth, ft: FNo sand layer or underdrains} j. Expected Infiltration Rate, in/hr: k. Basin Width, ft'X Basin Length, ft: I. Vegetation Plan: No. of Trees: No. of Shrubs: Shrub/Tree Ratio: M. Receiving Stream/River Basin: n. Stream Index Number: o. Classification of Water Body: II. SCHEDULE OF COMPLIANCE 114,467 37,988 32,559 27,089 16,832 1.0 0.75 17.66 10,490 18.41 8,553 4.0 >0.52 60' avg. X 170' avg. 36 108 3.0 Peletier Creek / White Oak 20-36-11 "SB:#" 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 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 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 bypass structure, infiltration media, flow spreader, catch basins, piping and vegetated filter. g. A clear access path to the bypass structure must be available at all times. Page 3 of 7 State Stormwater Management Systems Permit No. SW8 C60651 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. 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. 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. Page 4 of 7 State Stormwater Management Systems Permit No. SW8 060651 III. GENERAL CONDITIONS This permit is not transferable except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a formal permit transfer request to the Division of Water Quality, accompanied by a completed name/ownership change form, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 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) 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 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. 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 8th day of September 2006. NORRT.M'CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION for Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Page 5 of 7 State Stormwater Management Systems Permit No. SW8 060651 Page 1 of 2 Wellongate Apartments Stormwater Permit No. SW8 060651 Carteret County Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, (Project) for (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specification: Signature Registration Number Date SEAL Page 6 'of 7 State Stormwater Management Systems Permit No. SW8 060651 Page 2 of 2 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. All roof drains are located such that the runoff is directed into the system. 5. The bypass structure weir elevation is per the approved plan. 6. The bypass structure is located per the approved plans. 7. A Trash Rack is provided on the bypass structure. 8. All slopes are grassed with permanent vegetation. 9. Vegetated slopes are no -steeper than 3:1. 10. The inlets are Iodated per the approved plans and do not cause short- circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12. All required design depths are provided. 13. All required parts of the system are provided. 14. The required system dimensions are provided per the approved plans. cc: NCDENR-DWQ Regional Office Katrina Marshall, Carteret County Building Inspections Page 7 of 7 Date Received Fee Paid Permit Number o &13 0 2.Oa( D00. a 705515 w g 0(00 (05 State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may he photocopied for use as an original 1. GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, individual, etc, who owns the project): Four Sisters-00 LLC. 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): Gaye Wellons Mashburn - Member Manager 3. Mailing Address for person listed in item 2 above: P.O. Box 1018 City: Morehead City State: NC Zip 28557 Telephone Number: ( ) 252-726-2151 4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Wellongate Apartments at Country Club Road 5. Location of Project (street address): 4500 Country Club Rd City: Morehead County Carteret 6. Directions to project (from nearest major intersection): At the US 70 - NC 24 Intersection, turn North onto Bridges St extension. Go approximately than 1/2 mile, turn left onto Country Club(at the high school), site is just past existing apartment complex('/2 mile on County Club) on, West Haven Village, on left. If you reach the elementary school on the right, you have passed the site. 7. Latitude: 34144' 11.7" Longitude: 760 46' 46.6" of project 8. Contact person who can answer questions about the project: Name: T R.M. "Pete" Chiles, P.E. Telephone Number:( } 252-6374702 II. PERMIT INFORMATION: 1. Specify whether project is (check one): X New Renewal Modification Form SWU-101 Version 3.99 Page 1 of 4 2. If this application is being submitted as the result of a renekvaI 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 X Sedimentation/Erosion Control 404/401 Permit NPDES Storni%vater 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. Stormwater runoff will be directed into a bio-retention area as shown on the plans. The bio-retention area will infiltrate the initial run-off and fill to a depth of approximately 6". When the 6" depth is reached risers will collect the additional flow and run through a pipe to a vegetated area on the other side of the road. Please see the attached detailed narrative. 2. Stormwater runoff from this project drains to the _White Oak River basin. 3. 'Total Project Area: 5.93 acres 4. Project Built Upon Area: 45.22 5. How many drainage areas does the project have? 6. Complete the following information for each drainage area. If there are more than two drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin tnformation Drainage Area 1 Drainage Area 2 Receiving Stream Name _ Peletier Creek Index # 20-36-11 Peletier Creek Index # 20-36-11 Receiving Stream Class SB:# SB:# Drainage Area 166677.67 sq. ft. (3.83 Acres) 91633.43 sq. ft. (2.10 Acres) Existing Impervious* Area 7,196.44 sq. ft. (0.1652 Acres) 1403.65 sq. ft. (0.32 Acres) Proposed Impervious "Area 114,467.08 sq. ft. (2.6278 Acres) 2234.93 sq. ft. (0.05 Acres) Impervious * Area (total) 54.07% 1.33% Impervious * Surface Area ---- Drainage Area 1 Drainage Area 2 On -site Buildings '17,987.60 sq. ft.-r (0.8720 Acres) ) sgsq. ft. (0.0 Acres)On-site Streets Streets 32,558.56 sq. ft. (0.7474 Acres) 2334.93 sq. ft. (0.05 Acres) On -site Parking 27,089.95 sq. ft. (0.6219 Acres) 0.0 sq. ft, (0.0 acres) On -site Sidewalks 16,831.97 sq. ft. (0.3864 Acres) 0.0 sq, ft, (0.0 acres) Other on -site 0.0 0.0 sq. ft. (0.0 acres) Off -site 0.0 0.0 sq. ft, (0.0 acres) Total 114,467.08 sq. ft. (2.6278 Acres) Total: 2334.93 sq. ft. (0.05 Acres) * Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. 1=onn SWU-101 Version 3.99 Page 2 of 7. I -low was the off -site impervious area listed above derived? By coordinate geometry from field survey and 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. 1. The following covenants are intended to ensure ongoing compliance with state stonnwater management permit number as issued by tine Division of Water Quality. These covenants may not be changed or deleted without the consent of the State. 2. No more than square feet of any lot shall be covered by structures or impervious materials, Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood decking or tine water surface of swimming pools. 3. Stoales 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 fidure development shall be directed into the permitted stornmvater control system. These connections to the stormwater control system shall be performed in a manner that maintains the integrity and performance of the system as permitted. By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required above, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sate of any lot. V. SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (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. 1. 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 Permit Application Form • One copy of the applicable Supplement Form(s) for each BMP • Permit application processing fee of $420 (payable to NCDENR) • Detailed narrative description of stormwater treatment/management • Two copies of plans and specifications, including: - Development/ Project name - Engineer and firm -Legend - North arrow - Scale - Revision number & 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): Robert M. Chiles, P.E. Mailing Address: P.O. Box 3496 City: New Bern State: NC Zip: 28564-3496 Phone: (252 ) 637-4702 Fax: ( 252 ) 637-3100 VIII. APPLICANT'S CERTIFICATION I, (print or hjpe nnine of person listed in General Information, item 2)_ Gaye Wellons Mnshburn - , certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project wi11 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. Form SWU-101 Version 3.99 Page 4 of 4 MAINTENANCE CONSTRUCTION PHASE The Owner shall ensure that all erosion and sediment control measures are installed prior to the start of construction. Their proper operation shall be checked not less than once every week during construction, and following every runoff -producing rainfall. All deficiencies shall be repaired immediately and in accordance with the permitted Erosion and Sediment Control plan. The stormwater management system shall be constructed in its entirety, vegetated, and made operational for its intended use prior to paving the proposed parking lot. At least weekly during, and at the close of the construction phase of,the project, the bioretention areas and peak flow control pond shall be inspected, repaired as needed, cleaned of sediment and trash, and otherwise restored to the design grades. The inspections shall include the following: • Check the embankments for erosion damage, (i.e., loss of vegetative cover, piping, sloughing, settlement) • Check the overflow drains and their grates, and the pond discharge structure for proper function, damage and/or blockages. • Check the areas for sedimentation, trash and other debris. • Check all plantings for health and damage. 'Any damages discovered during an inspection shall be repaired immediately. Re-sod/replant bare areas as needed to maintain specified vegetative coverage. Repair all damaged plants if -possible, and replace any plants that are dead or cannot be repaired. Regrading or repairing of the side slopes shall include re -sodding, trimming and/or mowing, as needed. All necessary repairs shall be performed prior to close-out of the construction phase. ROUTINE MAINTENANCE The Owner shall maintain a copy of the approved plans and specifications for a period equal to the life of the permit unless otherwise required by the permit. The Owner shall properly maintain and operate, or provide for the maintenance and operation of the approved stormwater management system at all times to assure the optimum working order, performance and efficiency of the system. If there is a failure of this system to perform satisfactorily, including the creation of nuisance conditions, the Owner shall take corrective actions immediately, including those as may be required by the Division of Water Quality, such as the construction of additional or replacement stormwater management system. The Owner shall maintain records of maintenance activities that shall be made available, upon request, to authorized personnel of the Division of Water Quality. These records shall indicate the date, activity, the name of the person performing the work and what actions were taken. sure � a zao6 1,3Y k "IT `j`, •fit r� .� y ' :�� • h � ` �r� � •J __ + � �• "� e� a �� � , •' �_ v� —. � ti '.�" � 9 .+� - 7 �, :� -: r �. � •. �, w MAINTENANCE (cont d) Mowing The side -slopes, embankments, buffer areas, and other grassed areas shall be mowed as required to maintain a maximum height of six inches during the main growing season and at least two other times during the year to prevent woody growth and to control weeds. Inspections The Owner shall inspect the stormwater management system after every significant runoff -producing rainfall event and at least; Monthly for (but not limited to) the following: sediment accumulation; trash accumulation; embankment or side slopes stability, erosion, subsidence, cracking, bare areas; obstructions/clogging of the stormwater pipe network; Quarterly in addition to the monthly requirements: for bioretention area plant health; any dead or damaged plants; Semi-annually in addition to the quarterly requirements: to ensure the intended function is still provided; for areas that might require additional erosion control measures; for any modifications which have occurred to the contributing watershed that will increase the amount of runoff directed to the system. Inspections shall be carried out with "Approved" plans. Occasionally inspections shall be conducted during wet weather, or times of extreme weather to determine if the system is functioning properly. Deficiencies identified during inspections shall be corrected immediately. Erosion Control Corrective measures and repairs shall be done immediately to the project area and stormwater management system where settlement, sloughing, and/or erosion have occurred. Re -sod as necessary to maintain good vegetative cover. All repairs shall be done in accordance with the approved erosion and sediment control plan. Sediment Removal Sediment removal shall occur when accumulations affect system function and/or designed grades. Subsurface drain inspection and/or clean out shall be performed when runoff stands within the bioretention area in excess of 48 hours after a typical rain event. The Owner shall ensure that removed sediment is disposed of in an appropriate manner and that it is handled in a manner that will not adversely impact water quality (i.e., stockpiling near a wet detention basin, discharging into or near a stream, wetlands, etc.) and in accordance with all local, state, and federal regulations. Debris and Litter Removal Debris and litter removal from the bioretention areas and peak flow control pond shall be included as a part of the inspection process and periodic mowing operations. Particular attention shall be paid to areas around drainage structures where debris may cause clogging/obstructions. All trash and debris removed shall be disposed of according to local, state, and federal regulations. MAINTENANCE (coned) NON -ROUTINE MAINTENANCE: Emergency Draining/Maintenance. The Owner shall have a pump available that is capable of draining the bioretention area in the event that the overflow riser becomes clogged or for other emergency situations . If the area must be drained in this manner, then the flushing of sediment through the outlet shall be minimized to the maximum extent practical. Structure Repairs and Replacement. The Owner shall replace all deteriorated inlet/outlet works when deterioration from use or age causes them to fail and/or function improperly. MAINTENANCE COST: The Owner shall be responsible for all costs associated with the maintenance (routine or otherwise) and operation of the stormwater retention pond/wet detention basin system. COMPLIANCE CERTIFICATION: Upon completion of construction and prior to operation of this Stormwater Management System, the design Engineer shall submit to the Division of Water Quality a certification stating that the permitted facility has been installed in accordance with the approved plans, specifications, and any additional supporting documentation. RESPONSIBLE PARTY I acknowledge and agree by my signature below that Four Sisters-00, LLC. is responsible for all maintenance procedures listed above, and all incurred costs of construction and annual maintenance. I agree to notify NCDENR, Division of Water Quality of any problems with the system or prior to any changes that will require a modification to the permit. Name of Owner/Responsible Party: Four Sisters-00, LLC. Address: P.O. Box 1180 Morehead City, NC 28557 Phone Number: (252) 726 - 2151 Name & Title: Gaye Wellons Mashburn Member -Manager Signature; Date: ^ 5LId/06 Notary Public: I, lnt.4 I�I1. U/icus a Notary Public or th ate of , t�Ay� 0��La„S AASddU� County of Rrfkf)' do hereby certify that& personally appeared before me this /04Aday of MAY , 20 n L , and acknowledged the due execution of the foregoing stormwater system maintenance requirements. Witness my hand and official seal. SEAL Notary Public My commission expires;